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Not working sdl2 and glm build

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This commit is contained in:
dpeter99 2022-05-26 01:16:11 +02:00
parent 25b004714f
commit de76920dd9
149 changed files with 54774 additions and 1 deletions
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3
.gitignore vendored
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@ -2,4 +2,5 @@ bin/
obj/
/packages/
riderModule.iml
/_ReSharper.Caches/
/_ReSharper.Caches/
x64/

3
.gitmodules vendored Normal file
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@ -0,0 +1,3 @@
[submodule "vendor/glm/glm-repo"]
path = vendor/glm/glm-repo
url = https://github.com/g-truc/glm.git

13
.idea/.idea.umbra/.idea/.gitignore vendored Normal file
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@ -0,0 +1,13 @@
# Default ignored files
/shelf/
/workspace.xml
# Rider ignored files
/projectSettingsUpdater.xml
/modules.xml
/.idea.umbra.iml
/contentModel.xml
# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

4
.idea/.idea.umbra/.idea/encodings.xml Normal file
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@ -0,0 +1,4 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
</project>

8
.idea/.idea.umbra/.idea/indexLayout.xml Normal file
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@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="UserContentModel">
<attachedFolders />
<explicitIncludes />
<explicitExcludes />
</component>
</project>

6
.idea/.idea.umbra/.idea/vcs.xml Normal file
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@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

80
Umbra.CPP.props
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@ -0,0 +1,80 @@
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60
projs/shadow-engine/shadow-engine.cpp Normal file
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@ -0,0 +1,60 @@
#include <iostream>
#include <SDL.h>
// You must include the command line parameters for your main function to be recognized by SDL
int main(int argc, char** args) {
// Pointers to our window and surface
SDL_Surface* winSurface = NULL;
SDL_Window* window = NULL;
// Initialize SDL. SDL_Init will return -1 if it fails.
if ( SDL_Init( SDL_INIT_EVERYTHING ) < 0 ) {
std::cout << "Error initializing SDL: " << SDL_GetError() << std::endl;
system("pause");
// End the program
return 1;
}
// Create our window
window = SDL_CreateWindow( "Example", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 1280, 720, SDL_WINDOW_SHOWN );
// Make sure creating the window succeeded
if ( !window ) {
std::cout << "Error creating window: " << SDL_GetError() << std::endl;
system("pause");
// End the program
return 1;
}
// Get the surface from the window
winSurface = SDL_GetWindowSurface( window );
// Make sure getting the surface succeeded
if ( !winSurface ) {
std::cout << "Error getting surface: " << SDL_GetError() << std::endl;
system("pause");
// End the program
return 1;
}
// Fill the window with a white rectangle
SDL_FillRect( winSurface, NULL, SDL_MapRGB( winSurface->format, 255, 255, 255 ) );
// Update the window display
SDL_UpdateWindowSurface( window );
// Wait
system("pause");
// Destroy the window. This will also destroy the surface
SDL_DestroyWindow( window );
// Quit SDL
SDL_Quit();
// End the program
return 0;
}

61
projs/shadow-engine/shadow-engine.vcxproj Normal file
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@ -0,0 +1,61 @@
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22
projs/shadow-engine/shadow-engine.vcxproj.filters Normal file
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6
projs/shadow-engine/shadow-engine.vcxproj.user Normal file
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@ -0,0 +1,6 @@
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3
projs/shadow-entity/shadow-entity.cpp Normal file
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@ -0,0 +1,3 @@
// TODO: write your library functions here

162
projs/shadow-entity/shadow-entity.vcxproj Normal file
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@ -0,0 +1,162 @@
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22
projs/shadow-entity/shadow-entity.vcxproj.filters Normal file
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4
projs/shadow-entity/shadow-entity.vcxproj.user Normal file
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3
projs/shadow-file-format/shadow-file-format.cpp Normal file
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@ -0,0 +1,3 @@
// TODO: write your library functions here

162
projs/shadow-file-format/shadow-file-format.vcxproj Normal file
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16
vendor/sdl2/SDL2-2.0.22/BUGS.txt vendored Normal file
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Bugs are now managed in the SDL issue tracker, here:
https://github.com/libsdl-org/SDL/issues
You may report bugs there, and search to see if a given issue has already
been reported, discussed, and maybe even fixed.
You may also find help at the SDL forums/mailing list:
https://discourse.libsdl.org/
Bug reports are welcome here, but we really appreciate if you use the issue
tracker, as bugs discussed on the mailing list may be forgotten or missed.

20
vendor/sdl2/SDL2-2.0.22/COPYING.txt vendored Normal file
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@ -0,0 +1,20 @@
Simple DirectMedia Layer
Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.

13
vendor/sdl2/SDL2-2.0.22/README-SDL.txt vendored Normal file
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@ -0,0 +1,13 @@
Please distribute this file with the SDL runtime environment:
The Simple DirectMedia Layer (SDL for short) is a cross-platform library
designed to make it easy to write multi-media software, such as games
and emulators.
The Simple DirectMedia Layer library source code is available from:
https://www.libsdl.org/
This library is distributed under the terms of the zlib license:
http://www.zlib.net/zlib_license.html

21
vendor/sdl2/SDL2-2.0.22/README.txt vendored Normal file
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@ -0,0 +1,21 @@
Simple DirectMedia Layer
(SDL)
Version 2.0
---
https://www.libsdl.org/
Simple DirectMedia Layer is a cross-platform development library designed
to provide low level access to audio, keyboard, mouse, joystick, and graphics
hardware via OpenGL and Direct3D. It is used by video playback software,
emulators, and popular games including Valve's award winning catalog
and many Humble Bundle games.
More extensive documentation is available in the docs directory, starting
with README.md
Enjoy!
Sam Lantinga (slouken@libsdl.org)

745
vendor/sdl2/SDL2-2.0.22/WhatsNew.txt vendored Normal file
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@ -0,0 +1,745 @@
This is a list of major changes in SDL's version history.
---------------------------------------------------------------------------
2.0.22:
---------------------------------------------------------------------------
General:
* Added SDL_RenderGetWindow() to get the window associated with a renderer
* Added floating point rectangle functions:
* SDL_PointInFRect()
* SDL_FRectEmpty()
* SDL_FRectEquals()
* SDL_FRectEqualsEpsilon()
* SDL_HasIntersectionF()
* SDL_IntersectFRect()
* SDL_UnionFRect()
* SDL_EncloseFPoints()
* SDL_IntersectFRectAndLine()
* Added SDL_IsTextInputShown() which returns whether the IME window is currently shown
* Added SDL_ClearComposition() to dismiss the composition window without disabling IME input
* Added SDL_TEXTEDITING_EXT event for handling long composition text, and a hint SDL_HINT_IME_SUPPORT_EXTENDED_TEXT to enable it
* Added the hint SDL_HINT_MOUSE_RELATIVE_MODE_CENTER to control whether the mouse should be constrained to the whole window or the center of the window when relative mode is enabled
* The mouse is now automatically captured when mouse buttons are pressed, and the hint SDL_HINT_MOUSE_AUTO_CAPTURE allows you to control this behavior
* Added the hint SDL_HINT_VIDEO_FOREIGN_WINDOW_OPENGL to let SDL know that a foreign window will be used with OpenGL
* Added the hint SDL_HINT_VIDEO_FOREIGN_WINDOW_VULKAN to let SDL know that a foreign window will be used with Vulkan
* Added the hint SDL_HINT_QUIT_ON_LAST_WINDOW_CLOSE to specify whether an SDL_QUIT event will be delivered when the last application window is closed
* Added the hint SDL_HINT_JOYSTICK_ROG_CHAKRAM to control whether ROG Chakram mice show up as joysticks
Windows:
* Added support for SDL_BLENDOPERATION_MINIMUM and SDL_BLENDOPERATION_MAXIMUM to the D3D9 renderer
Linux:
* Compiling with Wayland support requires libwayland-client version 1.18.0 or later
* Added the hint SDL_HINT_X11_WINDOW_TYPE to specify the _NET_WM_WINDOW_TYPE of SDL windows
* Added the hint SDL_HINT_VIDEO_WAYLAND_PREFER_LIBDECOR to allow using libdecor with compositors that support xdg-decoration
Android:
* Added SDL_AndroidSendMessage() to send a custom command to the SDL java activity
---------------------------------------------------------------------------
2.0.20:
---------------------------------------------------------------------------
General:
* SDL_RenderGeometryRaw() takes a pointer to SDL_Color, not int. You can cast color data in SDL_PIXELFORMAT_RGBA32 format (SDL_PIXELFORMAT_ABGR8888 on little endian systems) for this parameter.
* Improved accuracy of horizontal and vertical line drawing when using OpenGL or OpenGLES
* Added the hint SDL_HINT_RENDER_LINE_METHOD to control the method of line drawing used, to select speed, correctness, and compatibility.
Windows:
* Fixed size of custom cursors
Linux:
* Fixed hotplug controller detection, broken in 2.0.18
---------------------------------------------------------------------------
2.0.18:
---------------------------------------------------------------------------
General:
* The SDL wiki documentation and development headers are automatically kept in sync
* Each function has information about in which version of SDL it was introduced
* SDL-specific CMake options are now prefixed with 'SDL_'. Be sure to update your CMake build scripts accordingly!
* Added the hint SDL_HINT_APP_NAME to let SDL know the name of your application for various places it might show up in system information
* Added SDL_RenderGeometry() and SDL_RenderGeometryRaw() to allow rendering of arbitrary shapes using the SDL 2D render API
* Added SDL_SetTextureUserData() and SDL_GetTextureUserData() to associate application data with an SDL texture
* Added SDL_RenderWindowToLogical() and SDL_RenderLogicalToWindow() to convert between window coordinates and logical render coordinates
* Added SDL_RenderSetVSync() to change whether a renderer present is synchronized with vblank at runtime
* Added SDL_PremultiplyAlpha() to premultiply alpha on a block of SDL_PIXELFORMAT_ARGB8888 pixels
* Added a window event SDL_WINDOWEVENT_DISPLAY_CHANGED which is sent when a window changes what display it's centered on
* Added SDL_GetWindowICCProfile() to query a window's ICC profile, and a window event SDL_WINDOWEVENT_ICCPROF_CHANGED that is sent when it changes
* Added the hint SDL_HINT_VIDEO_EGL_ALLOW_TRANSPARENCY to allow EGL windows to be transparent instead of opaque
* SDL_WaitEvent() has been redesigned to use less CPU in most cases
* Added SDL_SetWindowMouseRect() and SDL_GetWindowMouseRect() to confine the mouse cursor to an area of a window
* You can now read precise mouse wheel motion using 'preciseX' and 'preciseY' event fields
* Added SDL_GameControllerHasRumble() and SDL_GameControllerHasRumbleTriggers() to query whether a game controller supports rumble
* Added SDL_JoystickHasRumble() and SDL_JoystickHasRumbleTriggers() to query whether a joystick supports rumble
* SDL's hidapi implementation is now available as a public API in SDL_hidapi.h
Windows:
* Improved relative mouse motion over Windows Remote Desktop
* Added the hint SDL_HINT_IME_SHOW_UI to show native UI components instead of hiding them (defaults off)
Windows/UWP:
* WGI is used instead of XInput for better controller support in UWP apps
Linux:
* Added the hint SDL_HINT_SCREENSAVER_INHIBIT_ACTIVITY_NAME to set the activity that's displayed by the system when the screensaver is disabled
* Added the hint SDL_HINT_LINUX_JOYSTICK_CLASSIC to control whether /dev/input/js* or /dev/input/event* are used as joystick devices
* Added the hint SDL_HINT_JOYSTICK_DEVICE to allow the user to specify devices that will be opened in addition to the normal joystick detection
* Added SDL_LinuxSetThreadPriorityAndPolicy() for more control over a thread priority on Linux
Android:
* Added support for audio output and capture using AAudio on Android 8.1 and newer
* Steam Controller support is disabled by default, and can be enabled by setting the hint SDL_HINT_JOYSTICK_HIDAPI_STEAM to "1" before calling SDL_Init()
Apple Arcade:
* Added SDL_GameControllerGetAppleSFSymbolsNameForButton() and SDL_GameControllerGetAppleSFSymbolsNameForAxis() to support Apple Arcade titles
iOS:
* Added documentation that the UIApplicationSupportsIndirectInputEvents key must be set to true in your application's Info.plist in order to get real Bluetooth mouse events.
* Steam Controller support is disabled by default, and can be enabled by setting the hint SDL_HINT_JOYSTICK_HIDAPI_STEAM to "1" before calling SDL_Init()
---------------------------------------------------------------------------
2.0.16:
---------------------------------------------------------------------------
General:
* Added SDL_FlashWindow() to get a user's attention
* Added SDL_GetAudioDeviceSpec() to get the preferred audio format of a device
* Added SDL_SetWindowAlwaysOnTop() to dynamically change the SDL_WINDOW_ALWAYS_ON_TOP flag for a window
* Added SDL_SetWindowKeyboardGrab() to support grabbing the keyboard independently of the mouse
* Added SDL_SoftStretchLinear() to do bilinear scaling between 32-bit software surfaces
* Added SDL_UpdateNVTexture() to update streaming NV12/21 textures
* Added SDL_GameControllerSendEffect() and SDL_JoystickSendEffect() to allow sending custom trigger effects to the DualSense controller
* Added SDL_GameControllerGetSensorDataRate() to get the sensor data rate for PlayStation and Nintendo Switch controllers
* Added support for the Amazon Luna game controller
* Added rumble support for the Google Stadia controller using the HIDAPI driver
* Added SDL_GameControllerType constants for the Amazon Luna and Google Stadia controllers
* Added analog rumble for Nintendo Switch Pro controllers using the HIDAPI driver
* Reduced CPU usage when using SDL_WaitEvent() and SDL_WaitEventTimeout()
Windows:
* Added SDL_SetWindowsMessageHook() to set a function that is called for all Windows messages
* Added SDL_RenderGetD3D11Device() to get the D3D11 device used by the SDL renderer
Linux:
* Greatly improved Wayland support
* Added support for audio output and capture using Pipewire
* Added the hint SDL_HINT_AUDIO_INCLUDE_MONITORS to control whether PulseAudio recording should include monitor devices
* Added the hint SDL_HINT_AUDIO_DEVICE_STREAM_ROLE to describe the role of your application for audio control panels
Android:
* Added SDL_AndroidShowToast() to show a lightweight notification
iOS:
* Added support for mouse relative mode on iOS 14.1 and newer
* Added support for the Xbox Series X controller
tvOS:
* Added support for the Xbox Series X controller
---------------------------------------------------------------------------
2.0.14:
---------------------------------------------------------------------------
General:
* Added support for PS5 DualSense and Xbox Series X controllers to the HIDAPI controller driver
* Added game controller button constants for paddles and new buttons
* Added game controller functions to get additional information:
* SDL_GameControllerGetSerial()
* SDL_GameControllerHasAxis()
* SDL_GameControllerHasButton()
* SDL_GameControllerGetNumTouchpads()
* SDL_GameControllerGetNumTouchpadFingers()
* SDL_GameControllerGetTouchpadFinger()
* SDL_GameControllerHasSensor()
* SDL_GameControllerSetSensorEnabled()
* SDL_GameControllerIsSensorEnabled()
* SDL_GameControllerGetSensorData()
* SDL_GameControllerRumbleTriggers()
* SDL_GameControllerHasLED()
* SDL_GameControllerSetLED()
* Added the hint SDL_HINT_JOYSTICK_HIDAPI_PS5 to control whether the HIDAPI driver for PS5 controllers should be used.
* Added joystick functions to get additional information:
* SDL_JoystickGetSerial()
* SDL_JoystickRumbleTriggers()
* SDL_JoystickHasLED()
* SDL_JoystickSetLED()
* Added an API to allow the application to create virtual joysticks:
* SDL_JoystickAttachVirtual()
* SDL_JoystickDetachVirtual()
* SDL_JoystickIsVirtual()
* SDL_JoystickSetVirtualAxis()
* SDL_JoystickSetVirtualButton()
* SDL_JoystickSetVirtualHat()
* Added SDL_LockSensors() and SDL_UnlockSensors() to guarantee exclusive access to the sensor list
* Added SDL_HAPTIC_STEERING_AXIS to play an effect on the steering wheel
* Added the hint SDL_HINT_MOUSE_RELATIVE_SCALING to control whether relative motion is scaled by the screen DPI or renderer logical size
* The default value for SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS is now false for better compatibility with modern window managers
* Added SDL_GetPreferredLocales() to get the application's current locale setting
* Added the hint SDL_HINT_PREFERRED_LOCALES to override your application's default locale setting
* Added SDL_OpenURL() to open a URL in the system's default browser
* Added SDL_HasSurfaceRLE() to tell whether a surface is currently using RLE encoding
* Added SDL_SIMDRealloc() to reallocate memory obtained from SDL_SIMDAlloc()
* Added SDL_GetErrorMsg() to get the last error in a thread-safe way
* Added SDL_crc32(), SDL_wcscasecmp(), SDL_wcsncasecmp(), SDL_trunc(), SDL_truncf()
* Added clearer names for RGB pixel formats, e.g. SDL_PIXELFORMAT_XRGB8888, SDL_PIXELFORMAT_XBGR8888, etc.
Windows:
* Added the RAWINPUT controller driver to support more than 4 Xbox controllers simultaneously
* Added the hint SDL_HINT_JOYSTICK_RAWINPUT to control whether the RAWINPUT driver should be used
* Added the hint SDL_HINT_JOYSTICK_HIDAPI_CORRELATE_XINPUT to control whether XInput and WGI should be used to for complete controller functionality with the RAWINPUT driver.
macOS:
* Added the SDL_WINDOW_METAL flag to specify that a window should be created with a Metal view
* Added SDL_Metal_GetLayer() to get the CAMetalLayer backing a Metal view
* Added SDL_Metal_GetDrawableSize() to get the size of a window's drawable, in pixels
Linux:
* Added the hint SDL_HINT_AUDIO_DEVICE_APP_NAME to specify the name that shows up in PulseAudio for your application
* Added the hint SDL_HINT_AUDIO_DEVICE_STREAM_NAME to specify the name that shows up in PulseAudio associated with your audio stream
* Added the hint SDL_HINT_LINUX_JOYSTICK_DEADZONES to control whether HID defined dead zones should be respected on Linux
* Added the hint SDL_HINT_THREAD_PRIORITY_POLICY to specify the thread scheduler policy
* Added the hint SDL_HINT_THREAD_FORCE_REALTIME_TIME_CRITICAL to allow time critical threads to use a realtime scheduling policy
Android:
* Added SDL_AndroidRequestPermission() to request a specific system permission
* Added the hint SDL_HINT_ANDROID_BLOCK_ON_PAUSE_PAUSEAUDIO to control whether audio will pause when the application goes intot he background
OS/2:
* Added support for OS/2, see docs/README-os2.md for details
Emscripten (running in a web browser):
* Added the hint SDL_HINT_EMSCRIPTEN_ASYNCIFY to control whether SDL should call emscripten_sleep internally
---------------------------------------------------------------------------
2.0.12:
---------------------------------------------------------------------------
General:
* Added SDL_GetTextureScaleMode() and SDL_SetTextureScaleMode() to get and set the scaling mode used for a texture
* Added SDL_LockTextureToSurface(), similar to SDL_LockTexture() but the locked area is exposed as a SDL surface.
* Added new blend mode, SDL_BLENDMODE_MUL, which does a modulate and blend operation
* Added the hint SDL_HINT_DISPLAY_USABLE_BOUNDS to override the results of SDL_GetDisplayUsableBounds() for display index 0.
* Added the window underneath the finger to the SDL_TouchFingerEvent
* Added SDL_GameControllerTypeForIndex(), SDL_GameControllerGetType() to return the type of a game controller (Xbox 360, Xbox One, PS3, PS4, or Nintendo Switch Pro)
* Added the hint SDL_HINT_GAMECONTROLLERTYPE to override the automatic game controller type detection
* Added SDL_JoystickFromPlayerIndex() and SDL_GameControllerFromPlayerIndex() to get the device associated with a player index
* Added SDL_JoystickSetPlayerIndex() and SDL_GameControllerSetPlayerIndex() to set the player index associated with a device
* Added the hint SDL_HINT_GAMECONTROLLER_USE_BUTTON_LABELS to specify whether Nintendo Switch Pro controllers should use the buttons as labeled or swapped to match positional layout. The default is to use the buttons as labeled.
* Added support for Nintendo GameCube controllers to the HIDAPI driver, and a hint SDL_HINT_JOYSTICK_HIDAPI_GAMECUBE to control whether this is used.
* Improved support for Xbox 360 and Xbox One controllers when using the HIDAPI driver
* Added support for many game controllers, including:
* 8BitDo FC30 Pro
* 8BitDo M30 GamePad
* BDA PS4 Fightpad
* HORI Fighting Commander
* Hyperkin Duke
* Hyperkin X91
* MOGA XP5-A Plus
* NACON GC-400ES
* NVIDIA Controller v01.04
* PDP Versus Fighting Pad
* Razer Raion Fightpad for PS4
* Razer Serval
* Stadia Controller
* SteelSeries Stratus Duo
* Victrix Pro Fight Stick for PS4
* Xbox One Elite Series 2
* Fixed blocking game controller rumble calls when using the HIDAPI driver
* Added SDL_zeroa() macro to zero an array of elements
* Added SDL_HasARMSIMD() which returns true if the CPU has ARM SIMD (ARMv6+) features
Windows:
* Fixed crash when using the release SDL DLL with applications built with gcc
* Fixed performance regression in event handling introduced in 2.0.10
* Added support for SDL_SetThreadPriority() for UWP applications
Linux:
* Added the hint SDL_HINT_VIDEO_X11_WINDOW_VISUALID to specify the visual chosen for new X11 windows
* Added the hint SDL_HINT_VIDEO_X11_FORCE_EGL to specify whether X11 should use GLX or EGL by default
iOS / tvOS / macOS:
* Added SDL_Metal_CreateView() and SDL_Metal_DestroyView() to create CAMetalLayer-backed NSView/UIView and attach it to the specified window.
iOS/ tvOS:
* Added support for Bluetooth Steam Controllers as game controllers
tvOS:
* Fixed support for surround sound on Apple TV
Android:
* Added SDL_GetAndroidSDKVersion() to return the API level of the current device
* Added support for audio capture using OpenSL-ES
* Added support for Bluetooth Steam Controllers as game controllers
* Fixed rare crashes when the app goes into the background or terminates
---------------------------------------------------------------------------
2.0.10:
---------------------------------------------------------------------------
General:
* The SDL_RW* macros have been turned into functions that are available only in 2.0.10 and onward
* Added SDL_SIMDGetAlignment(), SDL_SIMDAlloc(), and SDL_SIMDFree(), to allocate memory aligned for SIMD operations for the current CPU
* Added SDL_RenderDrawPointF(), SDL_RenderDrawPointsF(), SDL_RenderDrawLineF(), SDL_RenderDrawLinesF(), SDL_RenderDrawRectF(), SDL_RenderDrawRectsF(), SDL_RenderFillRectF(), SDL_RenderFillRectsF(), SDL_RenderCopyF(), SDL_RenderCopyExF(), to allow floating point precision in the SDL rendering API.
* Added SDL_GetTouchDeviceType() to get the type of a touch device, which can be a touch screen or a trackpad in relative or absolute coordinate mode.
* The SDL rendering API now uses batched rendering by default, for improved performance
* Added SDL_RenderFlush() to force batched render commands to execute, if you're going to mix SDL rendering with native rendering
* Added the hint SDL_HINT_RENDER_BATCHING to control whether batching should be used for the rendering API. This defaults to "1" if you don't specify what rendering driver to use when creating the renderer.
* Added the hint SDL_HINT_EVENT_LOGGING to enable logging of SDL events for debugging purposes
* Added the hint SDL_HINT_GAMECONTROLLERCONFIG_FILE to specify a file that will be loaded at joystick initialization with game controller bindings
* Added the hint SDL_HINT_MOUSE_TOUCH_EVENTS to control whether SDL will synthesize touch events from mouse events
* Improved handling of malformed WAVE and BMP files, fixing potential security exploits
Linux:
* Removed the Mir video driver in favor of Wayland
iOS / tvOS:
* Added support for Xbox and PS4 wireless controllers in iOS 13 and tvOS 13
* Added support for text input using Bluetooth keyboards
Android:
* Added low latency audio using OpenSL ES
* Removed SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH (replaced by SDL_HINT_MOUSE_TOUCH_EVENTS and SDL_HINT_TOUCH_MOUSE_EVENTS)
SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH=1, should be replaced by setting both previous hints to 0.
SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH=0, should be replaced by setting both previous hints to 1.
* Added the hint SDL_HINT_ANDROID_BLOCK_ON_PAUSE to set whether the event loop will block itself when the app is paused.
---------------------------------------------------------------------------
2.0.9:
---------------------------------------------------------------------------
General:
* Added a new sensor API, initialized by passing SDL_INIT_SENSOR to SDL_Init(), and defined in SDL_sensor.h
* Added an event SDL_SENSORUPDATE which is sent when a sensor is updated
* Added SDL_GetDisplayOrientation() to return the current display orientation
* Added an event SDL_DISPLAYEVENT which is sent when the display orientation changes
* Added HIDAPI joystick drivers for more consistent support for Xbox, PS4 and Nintendo Switch Pro controller support across platforms. (Thanks to Valve for contributing the PS4 and Nintendo Switch Pro controller support)
* Added support for many other popular game controllers
* Added SDL_JoystickGetDevicePlayerIndex(), SDL_JoystickGetPlayerIndex(), and SDL_GameControllerGetPlayerIndex() to get the player index for a controller. For XInput controllers this returns the XInput index for the controller.
* Added SDL_GameControllerRumble() and SDL_JoystickRumble() which allow simple rumble without using the haptics API
* Added SDL_GameControllerMappingForDeviceIndex() to get the mapping for a controller before it's opened
* Added the hint SDL_HINT_MOUSE_DOUBLE_CLICK_TIME to control the mouse double-click time
* Added the hint SDL_HINT_MOUSE_DOUBLE_CLICK_RADIUS to control the mouse double-click radius, in pixels
* Added SDL_HasColorKey() to return whether a surface has a colorkey active
* Added SDL_HasAVX512F() to return whether the CPU has AVX-512F features
* Added SDL_IsTablet() to return whether the application is running on a tablet
* Added SDL_THREAD_PRIORITY_TIME_CRITICAL for threads that must run at the highest priority
Mac OS X:
* Fixed black screen at start on Mac OS X Mojave
Linux:
* Added SDL_LinuxSetThreadPriority() to allow adjusting the thread priority of native threads using RealtimeKit if available.
iOS:
* Fixed Asian IME input
Android:
* Updated required Android SDK to API 26, to match Google's new App Store requirements
* Added support for wired USB Xbox, PS4, and Nintendo Switch Pro controllers
* Added support for relative mouse mode on Android 7.0 and newer (except where it's broken, on Chromebooks and when in DeX mode with Samsung Experience 9.0)
* Added support for custom mouse cursors on Android 7.0 and newer
* Added the hint SDL_HINT_ANDROID_TRAP_BACK_BUTTON to control whether the back button will back out of the app (the default) or be passed to the application as SDL_SCANCODE_AC_BACK
* Added SDL_AndroidBackButton() to trigger the Android system back button behavior when handling the back button in the application
* Added SDL_IsChromebook() to return whether the app is running in the Chromebook Android runtime
* Added SDL_IsDeXMode() to return whether the app is running while docked in the Samsung DeX
---------------------------------------------------------------------------
2.0.8:
---------------------------------------------------------------------------
General:
* Added SDL_fmod() and SDL_log10()
* Each of the SDL math functions now has the corresponding float version
* Added SDL_SetYUVConversionMode() and SDL_GetYUVConversionMode() to control the formula used when converting to and from YUV colorspace. The options are JPEG, BT.601, and BT.709
Windows:
* Implemented WASAPI support on Windows UWP and removed the deprecated XAudio2 implementation
* Added resampling support on WASAPI on Windows 7 and above
Windows UWP:
* Added SDL_WinRTGetDeviceFamily() to find out what type of device your application is running on
Mac OS X:
* Added support for the Vulkan SDK for Mac:
https://www.lunarg.com/lunarg-releases-vulkan-sdk-1-0-69-0-for-mac/
* Added support for OpenGL ES using ANGLE when it's available
Mac OS X / iOS / tvOS:
* Added a Metal 2D render implementation
* Added SDL_RenderGetMetalLayer() and SDL_RenderGetMetalCommandEncoder() to insert your own drawing into SDL rendering when using the Metal implementation
iOS:
* Added the hint SDL_HINT_IOS_HIDE_HOME_INDICATOR to control whether the home indicator bar on iPhone X should be hidden. This defaults to dimming the indicator for fullscreen applications and showing the indicator for windowed applications.
iOS / Android:
* Added the hint SDL_HINT_RETURN_KEY_HIDES_IME to control whether the return key on the software keyboard should hide the keyboard or send a key event (the default)
Android:
* SDL now supports building with Android Studio and Gradle by default, and the old Ant project is available in android-project-ant
* SDL now requires the API 19 SDK to build, but can still target devices down to API 14 (Android 4.0.1)
* Added SDL_IsAndroidTV() to tell whether the application is running on Android TV
Android / tvOS:
* Added the hint SDL_HINT_TV_REMOTE_AS_JOYSTICK to control whether TV remotes should be listed as joystick devices (the default) or send keyboard events.
Linux:
* Added the hint SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR to control whether the X server should skip the compositor for the SDL application. This defaults to "1"
* Added the hint SDL_HINT_VIDEO_DOUBLE_BUFFER to control whether the Raspberry Pi and KMSDRM video drivers should use double or triple buffering (the default)
---------------------------------------------------------------------------
2.0.7:
---------------------------------------------------------------------------
General:
* Added audio stream conversion functions:
SDL_NewAudioStream
SDL_AudioStreamPut
SDL_AudioStreamGet
SDL_AudioStreamAvailable
SDL_AudioStreamFlush
SDL_AudioStreamClear
SDL_FreeAudioStream
* Added functions to query and set the SDL memory allocation functions:
SDL_GetMemoryFunctions()
SDL_SetMemoryFunctions()
SDL_GetNumAllocations()
* Added locking functions for multi-threaded access to the joystick and game controller APIs:
SDL_LockJoysticks()
SDL_UnlockJoysticks()
* The following functions are now thread-safe:
SDL_SetEventFilter()
SDL_GetEventFilter()
SDL_AddEventWatch()
SDL_DelEventWatch()
General:
---------------------------------------------------------------------------
2.0.6:
---------------------------------------------------------------------------
General:
* Added cross-platform Vulkan graphics support in SDL_vulkan.h
SDL_Vulkan_LoadLibrary()
SDL_Vulkan_GetVkGetInstanceProcAddr()
SDL_Vulkan_GetInstanceExtensions()
SDL_Vulkan_CreateSurface()
SDL_Vulkan_GetDrawableSize()
SDL_Vulkan_UnloadLibrary()
This is all the platform-specific code you need to bring up Vulkan on all SDL platforms. You can look at an example in test/testvulkan.c
* Added SDL_ComposeCustomBlendMode() to create custom blend modes for 2D rendering
* Added SDL_HasNEON() which returns whether the CPU has NEON instruction support
* Added support for many game controllers, including the Nintendo Switch Pro Controller
* Added support for inverted axes and separate axis directions in game controller mappings
* Added functions to return information about a joystick before it's opened:
SDL_JoystickGetDeviceVendor()
SDL_JoystickGetDeviceProduct()
SDL_JoystickGetDeviceProductVersion()
SDL_JoystickGetDeviceType()
SDL_JoystickGetDeviceInstanceID()
* Added functions to return information about an open joystick:
SDL_JoystickGetVendor()
SDL_JoystickGetProduct()
SDL_JoystickGetProductVersion()
SDL_JoystickGetType()
SDL_JoystickGetAxisInitialState()
* Added functions to return information about an open game controller:
SDL_GameControllerGetVendor()
SDL_GameControllerGetProduct()
SDL_GameControllerGetProductVersion()
* Added SDL_GameControllerNumMappings() and SDL_GameControllerMappingForIndex() to be able to enumerate the built-in game controller mappings
* Added SDL_LoadFile() and SDL_LoadFile_RW() to load a file into memory
* Added SDL_DuplicateSurface() to make a copy of a surface
* Added an experimental JACK audio driver
* Implemented non-power-of-two audio resampling, optionally using libsamplerate to perform the resampling
* Added the hint SDL_HINT_AUDIO_RESAMPLING_MODE to control the quality of resampling
* Added the hint SDL_HINT_RENDER_LOGICAL_SIZE_MODE to control the scaling policy for SDL_RenderSetLogicalSize():
"0" or "letterbox" - Uses letterbox/sidebars to fit the entire rendering on screen (the default)
"1" or "overscan" - Will zoom the rendering so it fills the entire screen, allowing edges to be drawn offscreen
* Added the hints SDL_HINT_MOUSE_NORMAL_SPEED_SCALE and SDL_HINT_MOUSE_RELATIVE_SPEED_SCALE to scale the mouse speed when being read from raw mouse input
* Added the hint SDL_HINT_TOUCH_MOUSE_EVENTS to control whether SDL will synthesize mouse events from touch events
Windows:
* The new default audio driver on Windows is WASAPI and supports hot-plugging devices and changing the default audio device
* The old XAudio2 audio driver is deprecated and will be removed in the next release
* Added hints SDL_HINT_WINDOWS_INTRESOURCE_ICON and SDL_HINT_WINDOWS_INTRESOURCE_ICON_SMALL to specify a custom icon resource ID for SDL windows
* The hint SDL_HINT_WINDOWS_DISABLE_THREAD_NAMING is now on by default for compatibility with .NET languages and various Windows debuggers
* Updated the GUID format for game controller mappings, older mappings will be automatically converted on load
* Implemented the SDL_WINDOW_ALWAYS_ON_TOP flag on Windows
Linux:
* Added an experimental KMS/DRM video driver for embedded development
iOS:
* Added a hint SDL_HINT_AUDIO_CATEGORY to control the audio category, determining whether the phone mute switch affects the audio
---------------------------------------------------------------------------
2.0.5:
---------------------------------------------------------------------------
General:
* Implemented audio capture support for some platforms
* Added SDL_DequeueAudio() to retrieve audio when buffer queuing is turned on for audio capture
* Added events for dragging and dropping text
* Added events for dragging and dropping multiple items
* By default the click raising a window will not be delivered to the SDL application. You can set the hint SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH to "1" to allow that click through to the window.
* Saving a surface with an alpha channel as a BMP will use a newer BMP format that supports alpha information. You can set the hint SDL_HINT_BMP_SAVE_LEGACY_FORMAT to "1" to use the old format.
* Added SDL_GetHintBoolean() to get the boolean value of a hint
* Added SDL_RenderSetIntegerScale() to set whether to smoothly scale or use integral multiples of the viewport size when scaling the rendering output
* Added SDL_CreateRGBSurfaceWithFormat() and SDL_CreateRGBSurfaceWithFormatFrom() to create an SDL surface with a specific pixel format
* Added SDL_GetDisplayUsableBounds() which returns the area usable for windows. For example, on Mac OS X, this subtracts the area occupied by the menu bar and dock.
* Added SDL_GetWindowBordersSize() which returns the size of the window's borders around the client area
* Added a window event SDL_WINDOWEVENT_HIT_TEST when a window had a hit test that wasn't SDL_HITTEST_NORMAL (e.g. in the title bar or window frame)
* Added SDL_SetWindowResizable() to change whether a window is resizable
* Added SDL_SetWindowOpacity() and SDL_GetWindowOpacity() to affect the window transparency
* Added SDL_SetWindowModalFor() to set a window as modal for another window
* Added support for AUDIO_U16LSB and AUDIO_U16MSB to SDL_MixAudioFormat()
* Fixed flipped images when reading back from target textures when using the OpenGL renderer
* Fixed texture color modulation with SDL_BLENDMODE_NONE when using the OpenGL renderer
* Fixed bug where the alpha value of colorkeys was ignored when blitting in some cases
Windows:
* Added a hint SDL_HINT_WINDOWS_DISABLE_THREAD_NAMING to prevent SDL from raising a debugger exception to name threads. This exception can cause problems with .NET applications when running under a debugger.
* The hint SDL_HINT_THREAD_STACK_SIZE is now supported on Windows
* Fixed XBox controller triggers automatically being pulled at startup
* The first icon from the executable is used as the default window icon at runtime
* Fixed SDL log messages being printed twice if SDL was built with C library support
* Reset dead keys when the SDL window loses focus, so dead keys pressed in SDL applications don't affect text input into other applications.
Mac OS X:
* Fixed selecting the dummy video driver
* The caps lock key now generates a pressed event when pressed and a released event when released, instead of a press/release event pair when pressed.
* Fixed mouse wheel events on Mac OS X 10.12
* The audio driver has been updated to use AVFoundation for better compatibility with newer versions of Mac OS X
Linux:
* Added support for the Fcitx IME
* Added a window event SDL_WINDOWEVENT_TAKE_FOCUS when a window manager asks the SDL window whether it wants to take focus.
* Refresh rates are now rounded instead of truncated, e.g. 59.94 Hz is rounded up to 60 Hz instead of 59.
* Added initial support for touchscreens on Raspberry Pi
OpenBSD:
* SDL_GetBasePath() is now implemented on OpenBSD
iOS:
* Added support for dynamically loaded objects on iOS 8 and newer
tvOS:
* Added support for Apple TV
* Added a hint SDL_HINT_APPLE_TV_REMOTE_ALLOW_ROTATION to control whether he Apple TV remote's joystick axes will automatically match the rotation of the remote.
Android:
* Fixed SDL not resizing window when Android screen resolution changes
* Corrected the joystick Z axis reporting for the accelerometer
Emscripten (running in a web browser):
* Many bug fixes and improvements
---------------------------------------------------------------------------
2.0.4:
---------------------------------------------------------------------------
General:
* Added support for web applications using Emscripten, see docs/README-emscripten.md for more information
* Added support for web applications using Native Client (NaCl), see docs/README-nacl.md for more information
* Added an API to queue audio instead of using the audio callback:
SDL_QueueAudio(), SDL_GetQueuedAudioSize(), SDL_ClearQueuedAudio()
* Added events for audio device hot plug support:
SDL_AUDIODEVICEADDED, SDL_AUDIODEVICEREMOVED
* Added SDL_PointInRect()
* Added SDL_HasAVX2() to detect CPUs with AVX2 support
* Added SDL_SetWindowHitTest() to let apps treat parts of their SDL window like traditional window decorations (drag areas, resize areas)
* Added SDL_GetGrabbedWindow() to get the window that currently has input grab, if any
* Added SDL_RenderIsClipEnabled() to tell whether clipping is currently enabled in a renderer
* Added SDL_CaptureMouse() to capture the mouse to get events while the mouse is not in your window
* Added SDL_WarpMouseGlobal() to warp the mouse cursor in global screen space
* Added SDL_GetGlobalMouseState() to get the current mouse state outside of an SDL window
* Added a direction field to mouse wheel events to tell whether they are flipped (natural) or not
* Added GL_CONTEXT_RELEASE_BEHAVIOR GL attribute (maps to [WGL|GLX]_ARB_context_flush_control extension)
* Added EGL_KHR_create_context support to allow OpenGL ES version selection on some platforms
* Added NV12 and NV21 YUV texture support for OpenGL and OpenGL ES 2.0 renderers
* Added a Vivante video driver that is used on various SoC platforms
* Added an event SDL_RENDER_DEVICE_RESET that is sent from the D3D renderers when the D3D device is lost, and from Android's event loop when the GLES context had to be recreated
* Added a hint SDL_HINT_NO_SIGNAL_HANDLERS to disable SDL's built in signal handling
* Added a hint SDL_HINT_THREAD_STACK_SIZE to set the stack size of SDL's threads
* Added SDL_sqrtf(), SDL_tan(), and SDL_tanf() to the stdlib routines
* Improved support for WAV and BMP files with unusual chunks in them
* Renamed SDL_assert_data to SDL_AssertData and SDL_assert_state to SDL_AssertState
* Added a hint SDL_HINT_WINDOW_FRAME_USABLE_WHILE_CURSOR_HIDDEN to prevent window interaction while cursor is hidden
* Added SDL_GetDisplayDPI() to get the DPI information for a display
* Added SDL_JoystickCurrentPowerLevel() to get the battery level of a joystick
* Added SDL_JoystickFromInstanceID(), as a helper function, to get the SDL_Joystick* that an event is referring to.
* Added SDL_GameControllerFromInstanceID(), as a helper function, to get the SDL_GameController* that an event is referring to.
Windows:
* Added support for Windows Phone 8.1 and Windows 10/UWP (Universal Windows Platform)
* Timer resolution is now 1 ms by default, adjustable with the SDL_HINT_TIMER_RESOLUTION hint
* SDLmain no longer depends on the C runtime, so you can use the same .lib in both Debug and Release builds
* Added SDL_SetWindowsMessageHook() to set a function to be called for every windows message before TranslateMessage()
* Added a hint SDL_HINT_WINDOWS_ENABLE_MESSAGELOOP to control whether SDL_PumpEvents() processes the Windows message loop
* You can distinguish between real mouse and touch events by looking for SDL_TOUCH_MOUSEID in the mouse event "which" field
* SDL_SysWMinfo now contains the window HDC
* Added support for Unicode command line options
* Prevent beeping when Alt-key combos are pressed
* SDL_SetTextInputRect() re-positions the OS-rendered IME
* Added a hint SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4 to prevent generating SDL_WINDOWEVENT_CLOSE events when Alt-F4 is pressed
* Added a hint SDL_HINT_XINPUT_USE_OLD_JOYSTICK_MAPPING to use the old axis and button mapping for XInput devices (deprecated)
Mac OS X:
* Implemented drag-and-drop support
* Improved joystick hot-plug detection
* The SDL_WINDOWEVENT_EXPOSED window event is triggered in the appropriate situations
* Fixed relative mouse mode when the application loses/regains focus
* Fixed bugs related to transitioning to and from Spaces-aware fullscreen-desktop mode
* Fixed the refresh rate of display modes
* SDL_SysWMInfo is now ARC-compatible
* Added a hint SDL_HINT_MAC_BACKGROUND_APP to prevent forcing the application to become a foreground process
Linux:
* Enabled building with Mir and Wayland support by default.
* Added IBus IME support
* Added a hint SDL_HINT_IME_INTERNAL_EDITING to control whether IBus should handle text editing internally instead of sending SDL_TEXTEDITING events
* Added a hint SDL_HINT_VIDEO_X11_NET_WM_PING to allow disabling _NET_WM_PING protocol handling in SDL_CreateWindow()
* Added support for multiple audio devices when using Pulseaudio
* Fixed duplicate mouse events when using relative mouse motion
iOS:
* Added support for iOS 8
* The SDL_WINDOW_ALLOW_HIGHDPI window flag now enables high-dpi support, and SDL_GL_GetDrawableSize() or SDL_GetRendererOutputSize() gets the window resolution in pixels
* SDL_GetWindowSize() and display mode sizes are in the "DPI-independent points" / "screen coordinates" coordinate space rather than pixels (matches OS X behavior)
* Added native resolution support for the iPhone 6 Plus
* Added support for MFi game controllers
* Added support for the hint SDL_HINT_ACCELEROMETER_AS_JOYSTICK
* Added sRGB OpenGL ES context support on iOS 7+
* Added support for SDL_DisableScreenSaver(), SDL_EnableScreenSaver() and the hint SDL_HINT_VIDEO_ALLOW_SCREENSAVER
* SDL_SysWMinfo now contains the OpenGL ES framebuffer and color renderbuffer objects used by the window's active GLES view
* Fixed various rotation and orientation issues
* Fixed memory leaks
Android:
* Added a hint SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH to prevent mouse events from being registered as touch events
* Added hints SDL_HINT_ANDROID_APK_EXPANSION_MAIN_FILE_VERSION and SDL_HINT_ANDROID_APK_EXPANSION_PATCH_FILE_VERSION
* Added support for SDL_DisableScreenSaver(), SDL_EnableScreenSaver() and the hint SDL_HINT_VIDEO_ALLOW_SCREENSAVER
* Added support for SDL_ShowMessageBox() and SDL_ShowSimpleMessageBox()
Raspberry Pi:
* Added support for the Raspberry Pi 2
---------------------------------------------------------------------------
2.0.3:
---------------------------------------------------------------------------
Mac OS X:
* Fixed creating an OpenGL context by default on Mac OS X 10.6
---------------------------------------------------------------------------
2.0.2:
---------------------------------------------------------------------------
General:
* Added SDL_GL_ResetAttributes() to reset OpenGL attributes to default values
* Added an API to load a database of game controller mappings from a file:
SDL_GameControllerAddMappingsFromFile(), SDL_GameControllerAddMappingsFromRW()
* Added game controller mappings for the PS4 and OUYA controllers
* Added SDL_GetDefaultAssertionHandler() and SDL_GetAssertionHandler()
* Added SDL_DetachThread()
* Added SDL_HasAVX() to determine if the CPU has AVX features
* Added SDL_vsscanf(), SDL_acos(), and SDL_asin() to the stdlib routines
* EGL can now create/manage OpenGL and OpenGL ES 1.x/2.x contexts, and share
them using SDL_GL_SHARE_WITH_CURRENT_CONTEXT
* Added a field "clicks" to the mouse button event which records whether the event is a single click, double click, etc.
* The screensaver is now disabled by default, and there is a hint SDL_HINT_VIDEO_ALLOW_SCREENSAVER that can change that behavior.
* Added a hint SDL_HINT_MOUSE_RELATIVE_MODE_WARP to specify whether mouse relative mode should be emulated using mouse warping.
* testgl2 does not need to link with libGL anymore
* Added testgles2 test program to demonstrate working with OpenGL ES 2.0
* Added controllermap test program to visually map a game controller
Windows:
* Support for OpenGL ES 2.x contexts using either WGL or EGL (natively via
the driver or emulated through ANGLE)
* Added a hint SDL_HINT_VIDEO_WIN_D3DCOMPILER to specify which D3D shader compiler to use for OpenGL ES 2 support through ANGLE
* Added a hint SDL_HINT_VIDEO_WINDOW_SHARE_PIXEL_FORMAT that is useful when creating multiple windows that should share the same OpenGL context.
* Added an event SDL_RENDER_TARGETS_RESET that is sent when D3D9 render targets are reset after the device has been restored.
Mac OS X:
* Added a hint SDL_HINT_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK to control whether Ctrl+click should be treated as a right click on Mac OS X. This is off by default.
Linux:
* Fixed fullscreen and focused behavior when receiving NotifyGrab events
* Added experimental Wayland and Mir support, disabled by default
Android:
* Joystick support (minimum SDK version required to build SDL is now 12,
the required runtime version remains at 10, but on such devices joystick
support won't be available).
* Hotplugging support for joysticks
* Added a hint SDL_HINT_ACCELEROMETER_AS_JOYSTICK to control whether the accelerometer should be listed as a 3 axis joystick, which it will by default.
---------------------------------------------------------------------------
2.0.1:
---------------------------------------------------------------------------
General:
* Added an API to get common filesystem paths in SDL_filesystem.h:
SDL_GetBasePath(), SDL_GetPrefPath()
* Added an API to do optimized YV12 and IYUV texture updates:
SDL_UpdateYUVTexture()
* Added an API to get the amount of RAM on the system:
SDL_GetSystemRAM()
* Added a macro to perform timestamp comparisons with SDL_GetTicks():
SDL_TICKS_PASSED()
* Dramatically improved OpenGL ES 2.0 rendering performance
* Added OpenGL attribute SDL_GL_FRAMEBUFFER_SRGB_CAPABLE
Windows:
* Created a static library configuration for the Visual Studio 2010 project
* Added a hint to create the Direct3D device with support for multi-threading:
SDL_HINT_RENDER_DIRECT3D_THREADSAFE
* Added a function to get the D3D9 adapter index for a display:
SDL_Direct3D9GetAdapterIndex()
* Added a function to get the D3D9 device for a D3D9 renderer:
SDL_RenderGetD3D9Device()
* Fixed building SDL with the mingw32 toolchain (mingw-w64 is preferred)
* Fixed crash when using two XInput controllers at the same time
* Fixed detecting a mixture of XInput and DirectInput controllers
* Fixed clearing a D3D render target larger than the window
* Improved support for format specifiers in SDL_snprintf()
Mac OS X:
* Added support for retina displays:
Create your window with the SDL_WINDOW_ALLOW_HIGHDPI flag, and then use SDL_GL_GetDrawableSize() to find the actual drawable size. You are responsible for scaling mouse and drawing coordinates appropriately.
* Fixed mouse warping in fullscreen mode
* Right mouse click is emulated by holding the Ctrl key while left clicking
Linux:
* Fixed float audio support with the PulseAudio driver
* Fixed missing line endpoints in the OpenGL renderer on some drivers
* X11 symbols are no longer defined to avoid collisions when linking statically
iOS:
* Fixed status bar visibility on iOS 7
* Flipped the accelerometer Y axis to match expected values
Android:
IMPORTANT: You MUST get the updated SDLActivity.java to match C code
* Moved EGL initialization to native code
* Fixed the accelerometer axis rotation relative to the device rotation
* Fixed race conditions when handling the EGL context on pause/resume
* Touch devices are available for enumeration immediately after init
Raspberry Pi:
* Added support for the Raspberry Pi, see README-raspberrypi.txt for details

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Android
================================================================================
Matt Styles wrote a tutorial on building SDL for Android with Visual Studio:
http://trederia.blogspot.de/2017/03/building-sdl2-for-android-with-visual.html
The rest of this README covers the Android gradle style build process.
If you are using the older ant build process, it is no longer officially
supported, but you can use the "android-project-ant" directory as a template.
Requirements
================================================================================
Android SDK (version 26 or later)
https://developer.android.com/sdk/index.html
Android NDK r15c or later
https://developer.android.com/tools/sdk/ndk/index.html
Minimum API level supported by SDL: 16 (Android 4.1)
How the port works
================================================================================
- Android applications are Java-based, optionally with parts written in C
- As SDL apps are C-based, we use a small Java shim that uses JNI to talk to
the SDL library
- This means that your application C code must be placed inside an Android
Java project, along with some C support code that communicates with Java
- This eventually produces a standard Android .apk package
The Android Java code implements an "Activity" and can be found in:
android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
The Java code loads your game code, the SDL shared library, and
dispatches to native functions implemented in the SDL library:
src/core/android/SDL_android.c
Building an app
================================================================================
For simple projects you can use the script located at build-scripts/androidbuild.sh
There's two ways of using it:
androidbuild.sh com.yourcompany.yourapp < sources.list
androidbuild.sh com.yourcompany.yourapp source1.c source2.c ...sourceN.c
sources.list should be a text file with a source file name in each line
Filenames should be specified relative to the current directory, for example if
you are in the build-scripts directory and want to create the testgles.c test, you'll
run:
./androidbuild.sh org.libsdl.testgles ../test/testgles.c
One limitation of this script is that all sources provided will be aggregated into
a single directory, thus all your source files should have a unique name.
Once the project is complete the script will tell you where the debug APK is located.
If you want to create a signed release APK, you can use the project created by this
utility to generate it.
Finally, a word of caution: re running androidbuild.sh wipes any changes you may have
done in the build directory for the app!
For more complex projects, follow these instructions:
1. Copy the android-project directory wherever you want to keep your projects
and rename it to the name of your project.
2. Move or symlink this SDL directory into the "<project>/app/jni" directory
3. Edit "<project>/app/jni/src/Android.mk" to include your source files
4a. If you want to use Android Studio, simply open your <project> directory and start building.
4b. If you want to build manually, run './gradlew installDebug' in the project directory. This compiles the .java, creates an .apk with the native code embedded, and installs it on any connected Android device
If you already have a project that uses CMake, the instructions change somewhat:
1. Do points 1 and 2 from the instruction above.
2. Edit "<project>/app/build.gradle" to comment out or remove sections containing ndk-build
and uncomment the cmake sections. Add arguments to the CMake invocation as needed.
3. Edit "<project>/app/jni/CMakeLists.txt" to include your project (it defaults to
adding the "src" subdirectory). Note that you'll have SDL2, SDL2main and SDL2-static
as targets in your project, so you should have "target_link_libraries(yourgame SDL2 SDL2main)"
in your CMakeLists.txt file. Also be aware that you should use add_library() instead of
add_executable() for the target containing your "main" function.
If you wish to use Android Studio, you can skip the last step.
4. Run './gradlew installDebug' or './gradlew installRelease' in the project directory. It will build and install your .apk on any
connected Android device
Here's an explanation of the files in the Android project, so you can customize them:
android-project/app
build.gradle - build info including the application version and SDK
src/main/AndroidManifest.xml - package manifest. Among others, it contains the class name of the main Activity and the package name of the application.
jni/ - directory holding native code
jni/Application.mk - Application JNI settings, including target platform and STL library
jni/Android.mk - Android makefile that can call recursively the Android.mk files in all subdirectories
jni/CMakeLists.txt - Top-level CMake project that adds SDL as a subproject
jni/SDL/ - (symlink to) directory holding the SDL library files
jni/SDL/Android.mk - Android makefile for creating the SDL shared library
jni/src/ - directory holding your C/C++ source
jni/src/Android.mk - Android makefile that you should customize to include your source code and any library references
jni/src/CMakeLists.txt - CMake file that you may customize to include your source code and any library references
src/main/assets/ - directory holding asset files for your application
src/main/res/ - directory holding resources for your application
src/main/res/mipmap-* - directories holding icons for different phone hardware
src/main/res/values/strings.xml - strings used in your application, including the application name
src/main/java/org/libsdl/app/SDLActivity.java - the Java class handling the initialization and binding to SDL. Be very careful changing this, as the SDL library relies on this implementation. You should instead subclass this for your application.
Customizing your application name
================================================================================
To customize your application name, edit AndroidManifest.xml and replace
"org.libsdl.app" with an identifier for your product package.
Then create a Java class extending SDLActivity and place it in a directory
under src matching your package, e.g.
src/com/gamemaker/game/MyGame.java
Here's an example of a minimal class file:
--- MyGame.java --------------------------
package com.gamemaker.game;
import org.libsdl.app.SDLActivity;
/**
* A sample wrapper class that just calls SDLActivity
*/
public class MyGame extends SDLActivity { }
------------------------------------------
Then replace "SDLActivity" in AndroidManifest.xml with the name of your
class, .e.g. "MyGame"
Customizing your application icon
================================================================================
Conceptually changing your icon is just replacing the "ic_launcher.png" files in
the drawable directories under the res directory. There are several directories
for different screen sizes.
Loading assets
================================================================================
Any files you put in the "app/src/main/assets" directory of your project
directory will get bundled into the application package and you can load
them using the standard functions in SDL_rwops.h.
There are also a few Android specific functions that allow you to get other
useful paths for saving and loading data:
* SDL_AndroidGetInternalStoragePath()
* SDL_AndroidGetExternalStorageState()
* SDL_AndroidGetExternalStoragePath()
See SDL_system.h for more details on these functions.
The asset packaging system will, by default, compress certain file extensions.
SDL includes two asset file access mechanisms, the preferred one is the so
called "File Descriptor" method, which is faster and doesn't involve the Dalvik
GC, but given this method does not work on compressed assets, there is also the
"Input Stream" method, which is automatically used as a fall back by SDL. You
may want to keep this fact in mind when building your APK, specially when large
files are involved.
For more information on which extensions get compressed by default and how to
disable this behaviour, see for example:
http://ponystyle.com/blog/2010/03/26/dealing-with-asset-compression-in-android-apps/
Pause / Resume behaviour
================================================================================
If SDL_HINT_ANDROID_BLOCK_ON_PAUSE hint is set (the default),
the event loop will block itself when the app is paused (ie, when the user
returns to the main Android dashboard). Blocking is better in terms of battery
use, and it allows your app to spring back to life instantaneously after resume
(versus polling for a resume message).
Upon resume, SDL will attempt to restore the GL context automatically.
In modern devices (Android 3.0 and up) this will most likely succeed and your
app can continue to operate as it was.
However, there's a chance (on older hardware, or on systems under heavy load),
where the GL context can not be restored. In that case you have to listen for
a specific message (SDL_RENDER_DEVICE_RESET) and restore your textures
manually or quit the app.
You should not use the SDL renderer API while the app going in background:
- SDL_APP_WILLENTERBACKGROUND:
after you read this message, GL context gets backed-up and you should not
use the SDL renderer API.
When this event is received, you have to set the render target to NULL, if you're using it.
(eg call SDL_SetRenderTarget(renderer, NULL))
- SDL_APP_DIDENTERFOREGROUND:
GL context is restored, and the SDL renderer API is available (unless you
receive SDL_RENDER_DEVICE_RESET).
Mouse / Touch events
================================================================================
In some case, SDL generates synthetic mouse (resp. touch) events for touch
(resp. mouse) devices.
To enable/disable this behavior, see SDL_hints.h:
- SDL_HINT_TOUCH_MOUSE_EVENTS
- SDL_HINT_MOUSE_TOUCH_EVENTS
Misc
================================================================================
For some device, it appears to works better setting explicitly GL attributes
before creating a window:
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
Threads and the Java VM
================================================================================
For a quick tour on how Linux native threads interoperate with the Java VM, take
a look here: https://developer.android.com/guide/practices/jni.html
If you want to use threads in your SDL app, it's strongly recommended that you
do so by creating them using SDL functions. This way, the required attach/detach
handling is managed by SDL automagically. If you have threads created by other
means and they make calls to SDL functions, make sure that you call
Android_JNI_SetupThread() before doing anything else otherwise SDL will attach
your thread automatically anyway (when you make an SDL call), but it'll never
detach it.
If you ever want to use JNI in a native thread (created by "SDL_CreateThread()"),
it won't be able to find your java class and method because of the java class loader
which is different for native threads, than for java threads (eg your "main()").
the work-around is to find class/method, in you "main()" thread, and to use them
in your native thread.
see:
https://developer.android.com/training/articles/perf-jni#faq:-why-didnt-findclass-find-my-class
Using STL
================================================================================
You can use STL in your project by creating an Application.mk file in the jni
folder and adding the following line:
APP_STL := c++_shared
For more information go here:
https://developer.android.com/ndk/guides/cpp-support
Using the emulator
================================================================================
There are some good tips and tricks for getting the most out of the
emulator here: https://developer.android.com/tools/devices/emulator.html
Especially useful is the info on setting up OpenGL ES 2.0 emulation.
Notice that this software emulator is incredibly slow and needs a lot of disk space.
Using a real device works better.
Troubleshooting
================================================================================
You can see if adb can see any devices with the following command:
adb devices
You can see the output of log messages on the default device with:
adb logcat
You can push files to the device with:
adb push local_file remote_path_and_file
You can push files to the SD Card at /sdcard, for example:
adb push moose.dat /sdcard/moose.dat
You can see the files on the SD card with a shell command:
adb shell ls /sdcard/
You can start a command shell on the default device with:
adb shell
You can remove the library files of your project (and not the SDL lib files) with:
ndk-build clean
You can do a build with the following command:
ndk-build
You can see the complete command line that ndk-build is using by passing V=1 on the command line:
ndk-build V=1
If your application crashes in native code, you can use ndk-stack to get a symbolic stack trace:
https://developer.android.com/ndk/guides/ndk-stack
If you want to go through the process manually, you can use addr2line to convert the
addresses in the stack trace to lines in your code.
For example, if your crash looks like this:
I/DEBUG ( 31): signal 11 (SIGSEGV), code 2 (SEGV_ACCERR), fault addr 400085d0
I/DEBUG ( 31): r0 00000000 r1 00001000 r2 00000003 r3 400085d4
I/DEBUG ( 31): r4 400085d0 r5 40008000 r6 afd41504 r7 436c6a7c
I/DEBUG ( 31): r8 436c6b30 r9 435c6fb0 10 435c6f9c fp 4168d82c
I/DEBUG ( 31): ip 8346aff0 sp 436c6a60 lr afd1c8ff pc afd1c902 cpsr 60000030
I/DEBUG ( 31): #00 pc 0001c902 /system/lib/libc.so
I/DEBUG ( 31): #01 pc 0001ccf6 /system/lib/libc.so
I/DEBUG ( 31): #02 pc 000014bc /data/data/org.libsdl.app/lib/libmain.so
I/DEBUG ( 31): #03 pc 00001506 /data/data/org.libsdl.app/lib/libmain.so
You can see that there's a crash in the C library being called from the main code.
I run addr2line with the debug version of my code:
arm-eabi-addr2line -C -f -e obj/local/armeabi/libmain.so
and then paste in the number after "pc" in the call stack, from the line that I care about:
000014bc
I get output from addr2line showing that it's in the quit function, in testspriteminimal.c, on line 23.
You can add logging to your code to help show what's happening:
#include <android/log.h>
__android_log_print(ANDROID_LOG_INFO, "foo", "Something happened! x = %d", x);
If you need to build without optimization turned on, you can create a file called
"Application.mk" in the jni directory, with the following line in it:
APP_OPTIM := debug
Memory debugging
================================================================================
The best (and slowest) way to debug memory issues on Android is valgrind.
Valgrind has support for Android out of the box, just grab code using:
svn co svn://svn.valgrind.org/valgrind/trunk valgrind
... and follow the instructions in the file README.android to build it.
One thing I needed to do on Mac OS X was change the path to the toolchain,
and add ranlib to the environment variables:
export RANLIB=$NDKROOT/toolchains/arm-linux-androideabi-4.4.3/prebuilt/darwin-x86/bin/arm-linux-androideabi-ranlib
Once valgrind is built, you can create a wrapper script to launch your
application with it, changing org.libsdl.app to your package identifier:
--- start_valgrind_app -------------------
#!/system/bin/sh
export TMPDIR=/data/data/org.libsdl.app
exec /data/local/Inst/bin/valgrind --log-file=/sdcard/valgrind.log --error-limit=no $*
------------------------------------------
Then push it to the device:
adb push start_valgrind_app /data/local
and make it executable:
adb shell chmod 755 /data/local/start_valgrind_app
and tell Android to use the script to launch your application:
adb shell setprop wrap.org.libsdl.app "logwrapper /data/local/start_valgrind_app"
If the setprop command says "could not set property", it's likely that
your package name is too long and you should make it shorter by changing
AndroidManifest.xml and the path to your class file in android-project/src
You can then launch your application normally and waaaaaaaiiittt for it.
You can monitor the startup process with the logcat command above, and
when it's done (or even while it's running) you can grab the valgrind
output file:
adb pull /sdcard/valgrind.log
When you're done instrumenting with valgrind, you can disable the wrapper:
adb shell setprop wrap.org.libsdl.app ""
Graphics debugging
================================================================================
If you are developing on a compatible Tegra-based tablet, NVidia provides
Tegra Graphics Debugger at their website. Because SDL2 dynamically loads EGL
and GLES libraries, you must follow their instructions for installing the
interposer library on a rooted device. The non-rooted instructions are not
compatible with applications that use SDL2 for video.
The Tegra Graphics Debugger is available from NVidia here:
https://developer.nvidia.com/tegra-graphics-debugger
Why is API level 16 the minimum required?
================================================================================
The latest NDK toolchain doesn't support targeting earlier than API level 16.
As of this writing, according to https://developer.android.com/about/dashboards/index.html
about 99% of the Android devices accessing Google Play support API level 16 or
higher (January 2018).
A note regarding the use of the "dirty rectangles" rendering technique
================================================================================
If your app uses a variation of the "dirty rectangles" rendering technique,
where you only update a portion of the screen on each frame, you may notice a
variety of visual glitches on Android, that are not present on other platforms.
This is caused by SDL's use of EGL as the support system to handle OpenGL ES/ES2
contexts, in particular the use of the eglSwapBuffers function. As stated in the
documentation for the function "The contents of ancillary buffers are always
undefined after calling eglSwapBuffers".
Setting the EGL_SWAP_BEHAVIOR attribute of the surface to EGL_BUFFER_PRESERVED
is not possible for SDL as it requires EGL 1.4, available only on the API level
17+, so the only workaround available on this platform is to redraw the entire
screen each frame.
Reference: http://www.khronos.org/registry/egl/specs/EGLTechNote0001.html
Ending your application
================================================================================
Two legitimate ways:
- return from your main() function. Java side will automatically terminate the
Activity by calling Activity.finish().
- Android OS can decide to terminate your application by calling onDestroy()
(see Activity life cycle). Your application will receive a SDL_QUIT event you
can handle to save things and quit.
Don't call exit() as it stops the activity badly.
NB: "Back button" can be handled as a SDL_KEYDOWN/UP events, with Keycode
SDLK_AC_BACK, for any purpose.
Known issues
================================================================================
- The number of buttons reported for each joystick is hardcoded to be 36, which
is the current maximum number of buttons Android can report.

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CMake
================================================================================
(www.cmake.org)
SDL's build system was traditionally based on autotools. Over time, this
approach has suffered from several issues across the different supported
platforms.
To solve these problems, a new build system based on CMake is under development.
It works in parallel to the legacy system, so users can experiment with it
without complication.
While still experimental, the build system should be usable on the following
platforms:
* FreeBSD
* Linux
* VS.NET 2010
* MinGW and Msys
* macOS, iOS, and tvOS, with support for XCode
================================================================================
Usage
================================================================================
Assuming the source for SDL is located at ~/sdl
cd ~
mkdir build
cd build
cmake ../sdl
This will build the static and dynamic versions of SDL in the ~/build directory.
================================================================================
Usage, iOS/tvOS
================================================================================
CMake 3.14+ natively includes support for iOS and tvOS. SDL binaries may be built
using Xcode or Make, possibly among other build-systems.
When using a recent version of CMake (3.14+), it should be possible to:
- build SDL for iOS, both static and dynamic
- build SDL test apps (as iOS/tvOS .app bundles)
- generate a working SDL_config.h for iOS (using SDL_config.h.cmake as a basis)
To use, set the following CMake variables when running CMake's configuration stage:
- `CMAKE_SYSTEM_NAME=<OS>` (either `iOS` or `tvOS`)
- `CMAKE_OSX_SYSROOT=<SDK>` (examples: `iphoneos`, `iphonesimulator`, `iphoneos12.4`, `/full/path/to/iPhoneOS.sdk`,
`appletvos`, `appletvsimulator`, `appletvos12.4`, `/full/path/to/AppleTVOS.sdk`, etc.)
- `CMAKE_OSX_ARCHITECTURES=<semicolon-separated list of CPU architectures>` (example: "arm64;armv7s;x86_64")
### Examples (for iOS/tvOS):
- for iOS-Simulator, using the latest, installed SDK:
`cmake ~/sdl -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphonesimulator -DCMAKE_OSX_ARCHITECTURES=x86_64`
- for iOS-Device, using the latest, installed SDK, 64-bit only
`cmake ~/sdl -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos -DCMAKE_OSX_ARCHITECTURES=arm64`
- for iOS-Device, using the latest, installed SDK, mixed 32/64 bit
`cmake ~/sdl -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos -DCMAKE_OSX_ARCHITECTURES="arm64;armv7s"`
- for iOS-Device, using a specific SDK revision (iOS 12.4, in this example):
`cmake ~/sdl -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphoneos12.4 -DCMAKE_OSX_ARCHITECTURES=arm64`
- for iOS-Simulator, using the latest, installed SDK, and building SDL test apps (as .app bundles):
`cmake ~/sdl -DSDL_TEST=1 -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_SYSROOT=iphonesimulator -DCMAKE_OSX_ARCHITECTURES=x86_64`
- for tvOS-Simulator, using the latest, installed SDK:
`cmake ~/sdl -DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvsimulator -DCMAKE_OSX_ARCHITECTURES=x86_64`
- for tvOS-Device, using the latest, installed SDK:
`cmake ~/sdl -DCMAKE_SYSTEM_NAME=tvOS -DCMAKE_OSX_SYSROOT=appletvos -DCMAKE_OSX_ARCHITECTURES=arm64`

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DirectFB
========
Supports:
- Hardware YUV overlays
- OpenGL - software only
- 2D/3D accelerations (depends on directfb driver)
- multiple displays
- windows
What you need:
* DirectFB 1.0.1, 1.2.x, 1.3.0
* Kernel-Framebuffer support: required: vesafb, radeonfb ....
* Mesa 7.0.x - optional for OpenGL
The `/etc/directfbrc` file should contain the following lines to make
your joystick work and avoid crashes:
```
disable-module=joystick
disable-module=cle266
disable-module=cyber5k
no-linux-input-grab
```
To disable to use x11 backend when DISPLAY variable is found use
```
export SDL_DIRECTFB_X11_CHECK=0
```
To disable the use of linux input devices, i.e. multimice/multikeyboard support,
use
```
export SDL_DIRECTFB_LINUX_INPUT=0
```
To use hardware accelerated YUV-overlays for YUV-textures, use:
```
export SDL_DIRECTFB_YUV_DIRECT=1
```
This is disabled by default. It will only support one
YUV texture, namely the first. Every other YUV texture will be
rendered in software.
In addition, you may use (directfb-1.2.x)
```
export SDL_DIRECTFB_YUV_UNDERLAY=1
```
to make the YUV texture an underlay. This will make the cursor to
be shown.
Simple Window Manager
=====================
The driver has support for a very, very basic window manager you may
want to use when running with `wm=default`. Use
```
export SDL_DIRECTFB_WM=1
```
to enable basic window borders. In order to have the window title rendered,
you need to have the following font installed:
```
/usr/share/fonts/truetype/freefont/FreeSans.ttf
```
OpenGL Support
==============
The following instructions will give you *software* OpenGL. However this
works at least on all directfb supported platforms.
As of this writing 20100802 you need to pull Mesa from git and do the following:
```
git clone git://anongit.freedesktop.org/git/mesa/mesa
cd mesa
git checkout 2c9fdaf7292423c157fc79b5ce43f0f199dd753a
```
Edit `configs/linux-directfb` so that the Directories-section looks like this:
```
# Directories
SRC_DIRS = mesa glu
GLU_DIRS = sgi
DRIVER_DIRS = directfb
PROGRAM_DIRS =
```
Then do the following:
```
make linux-directfb
make
echo Installing - please enter sudo pw.
sudo make install INSTALL_DIR=/usr/local/dfb_GL
cd src/mesa/drivers/directfb
make
sudo make install INSTALL_DIR=/usr/local/dfb_GL
```
To run the SDL - testprograms:
```
export SDL_VIDEODRIVER=directfb
export LD_LIBRARY_PATH=/usr/local/dfb_GL/lib
export LD_PRELOAD=/usr/local/dfb_GL/libGL.so.7
./testgl
```

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# Dynamic API
Originally posted on Ryan's Google+ account.
Background:
- The Steam Runtime has (at least in theory) a really kick-ass build of SDL2,
but developers are shipping their own SDL2 with individual Steam games.
These games might stop getting updates, but a newer SDL2 might be needed later.
Certainly we'll always be fixing bugs in SDL, even if a new video target isn't
ever needed, and these fixes won't make it to a game shipping its own SDL.
- Even if we replace the SDL2 in those games with a compatible one, that is to
say, edit a developer's Steam depot (yuck!), there are developers that are
statically linking SDL2 that we can't do this for. We can't even force the
dynamic loader to ignore their SDL2 in this case, of course.
- If you don't ship an SDL2 with the game in some form, people that disabled the
Steam Runtime, or just tried to run the game from the command line instead of
Steam might find themselves unable to run the game, due to a missing dependency.
- If you want to ship on non-Steam platforms like GOG or Humble Bundle, or target
generic Linux boxes that may or may not have SDL2 installed, you have to ship
the library or risk a total failure to launch. So now, you might have to have
a non-Steam build plus a Steam build (that is, one with and one without SDL2
included), which is inconvenient if you could have had one universal build
that works everywhere.
- We like the zlib license, but the biggest complaint from the open source
community about the license change is the static linking. The LGPL forced this
as a legal, not technical issue, but zlib doesn't care. Even those that aren't
concerned about the GNU freedoms found themselves solving the same problems:
swapping in a newer SDL to an older game often times can save the day.
Static linking stops this dead.
So here's what we did:
SDL now has, internally, a table of function pointers. So, this is what SDL_Init
now looks like:
```c
UInt32 SDL_Init(Uint32 flags)
{
return jump_table.SDL_Init(flags);
}
```
Except that is all done with a bunch of macro magic so we don't have to maintain
every one of these.
What is jump_table.SDL_init()? Eventually, that's a function pointer of the real
SDL_Init() that you've been calling all this time. But at startup, it looks more
like this:
```c
Uint32 SDL_Init_DEFAULT(Uint32 flags)
{
SDL_InitDynamicAPI();
return jump_table.SDL_Init(flags);
}
```
SDL_InitDynamicAPI() fills in jump_table with all the actual SDL function
pointers, which means that this `_DEFAULT` function never gets called again.
First call to any SDL function sets the whole thing up.
So you might be asking, what was the value in that? Isn't this what the operating
system's dynamic loader was supposed to do for us? Yes, but now we've got this
level of indirection, we can do things like this:
```bash
export SDL_DYNAMIC_API=/my/actual/libSDL-2.0.so.0
./MyGameThatIsStaticallyLinkedToSDL2
```
And now, this game that is statically linked to SDL, can still be overridden
with a newer, or better, SDL. The statically linked one will only be used as
far as calling into the jump table in this case. But in cases where no override
is desired, the statically linked version will provide its own jump table,
and everyone is happy.
So now:
- Developers can statically link SDL, and users can still replace it.
(We'd still rather you ship a shared library, though!)
- Developers can ship an SDL with their game, Valve can override it for, say,
new features on SteamOS, or distros can override it for their own needs,
but it'll also just work in the default case.
- Developers can ship the same package to everyone (Humble Bundle, GOG, etc),
and it'll do the right thing.
- End users (and Valve) can update a game's SDL in almost any case,
to keep abandoned games running on newer platforms.
- Everyone develops with SDL exactly as they have been doing all along.
Same headers, same ABI. Just get the latest version to enable this magic.
A little more about SDL_InitDynamicAPI():
Internally, InitAPI does some locking to make sure everything waits until a
single thread initializes everything (although even SDL_CreateThread() goes
through here before spinning a thread, too), and then decides if it should use
an external SDL library. If not, it sets up the jump table using the current
SDL's function pointers (which might be statically linked into a program, or in
a shared library of its own). If so, it loads that library and looks for and
calls a single function:
```c
SInt32 SDL_DYNAPI_entry(Uint32 version, void *table, Uint32 tablesize);
```
That function takes a version number (more on that in a moment), the address of
the jump table, and the size, in bytes, of the table.
Now, we've got policy here: this table's layout never changes; new stuff gets
added to the end. Therefore SDL_DYNAPI_entry() knows that it can provide all
the needed functions if tablesize <= sizeof its own jump table. If tablesize is
bigger (say, SDL 2.0.4 is trying to load SDL 2.0.3), then we know to abort, but
if it's smaller, we know we can provide the entire API that the caller needs.
The version variable is a failsafe switch.
Right now it's always 1. This number changes when there are major API changes
(so we know if the tablesize might be smaller, or entries in it have changed).
Right now SDL_DYNAPI_entry gives up if the version doesn't match, but it's not
inconceivable to have a small dispatch library that only supplies this one
function and loads different, otherwise-incompatible SDL libraries and has the
right one initialize the jump table based on the version. For something that
must generically catch lots of different versions of SDL over time, like the
Steam Client, this isn't a bad option.
Finally, I'm sure some people are reading this and thinking,
"I don't want that overhead in my project!"
To which I would point out that the extra function call through the jump table
probably wouldn't even show up in a profile, but lucky you: this can all be
disabled. You can build SDL without this if you absolutely must, but we would
encourage you not to do that. However, on heavily locked down platforms like
iOS, or maybe when debugging, it makes sense to disable it. The way this is
designed in SDL, you just have to change one #define, and the entire system
vaporizes out, and SDL functions exactly like it always did. Most of it is
macro magic, so the system is contained to one C file and a few headers.
However, this is on by default and you have to edit a header file to turn it
off. Our hopes is that if we make it easy to disable, but not too easy,
everyone will ultimately be able to get what they want, but we've gently
nudged everyone towards what we think is the best solution.

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Emscripten
================================================================================
Build:
$ mkdir build
$ cd build
$ emconfigure ../configure --host=asmjs-unknown-emscripten --disable-assembly --disable-threads --disable-cpuinfo CFLAGS="-O2"
$ emmake make
Or with cmake:
$ mkdir build
$ cd build
$ emcmake cmake ..
$ emmake make
To build one of the tests:
$ cd test/
$ emcc -O2 --js-opts 0 -g4 testdraw2.c -I../include ../build/.libs/libSDL2.a ../build/libSDL2_test.a -o a.html
Uses GLES2 renderer or software
Some other SDL2 libraries can be easily built (assuming SDL2 is installed somewhere):
SDL_mixer (http://www.libsdl.org/projects/SDL_mixer/):
$ EMCONFIGURE_JS=1 emconfigure ../configure
build as usual...
SDL_gfx (http://cms.ferzkopp.net/index.php/software/13-sdl-gfx):
$ EMCONFIGURE_JS=1 emconfigure ../configure --disable-mmx
build as usual...

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Dollar Gestures
===========================================================================
SDL provides an implementation of the $1 gesture recognition system. This allows for recording, saving, loading, and performing single stroke gestures.
Gestures can be performed with any number of fingers (the centroid of the fingers must follow the path of the gesture), but the number of fingers must be constant (a finger cannot go down in the middle of a gesture). The path of a gesture is considered the path from the time when the final finger went down, to the first time any finger comes up.
Dollar gestures are assigned an Id based on a hash function. This is guaranteed to remain constant for a given gesture. There is a (small) chance that two different gestures will be assigned the same ID. In this case, simply re-recording one of the gestures should result in a different ID.
Recording:
----------
To begin recording on a touch device call:
SDL_RecordGesture(SDL_TouchID touchId), where touchId is the id of the touch device you wish to record on, or -1 to record on all connected devices.
Recording terminates as soon as a finger comes up. Recording is acknowledged by an SDL_DOLLARRECORD event.
A SDL_DOLLARRECORD event is a dgesture with the following fields:
* event.dgesture.touchId - the Id of the touch used to record the gesture.
* event.dgesture.gestureId - the unique id of the recorded gesture.
Performing:
-----------
As long as there is a dollar gesture assigned to a touch, every finger-up event will also cause an SDL_DOLLARGESTURE event with the following fields:
* event.dgesture.touchId - the Id of the touch which performed the gesture.
* event.dgesture.gestureId - the unique id of the closest gesture to the performed stroke.
* event.dgesture.error - the difference between the gesture template and the actual performed gesture. Lower error is a better match.
* event.dgesture.numFingers - the number of fingers used to draw the stroke.
Most programs will want to define an appropriate error threshold and check to be sure that the error of a gesture is not abnormally high (an indicator that no gesture was performed).
Saving:
-------
To save a template, call SDL_SaveDollarTemplate(gestureId, dst) where gestureId is the id of the gesture you want to save, and dst is an SDL_RWops pointer to the file where the gesture will be stored.
To save all currently loaded templates, call SDL_SaveAllDollarTemplates(dst) where dst is an SDL_RWops pointer to the file where the gesture will be stored.
Both functions return the number of gestures successfully saved.
Loading:
--------
To load templates from a file, call SDL_LoadDollarTemplates(touchId,src) where touchId is the id of the touch to load to (or -1 to load to all touch devices), and src is an SDL_RWops pointer to a gesture save file.
SDL_LoadDollarTemplates returns the number of templates successfully loaded.
===========================================================================
Multi Gestures
===========================================================================
SDL provides simple support for pinch/rotate/swipe gestures.
Every time a finger is moved an SDL_MULTIGESTURE event is sent with the following fields:
* event.mgesture.touchId - the Id of the touch on which the gesture was performed.
* event.mgesture.x - the normalized x coordinate of the gesture. (0..1)
* event.mgesture.y - the normalized y coordinate of the gesture. (0..1)
* event.mgesture.dTheta - the amount that the fingers rotated during this motion.
* event.mgesture.dDist - the amount that the fingers pinched during this motion.
* event.mgesture.numFingers - the number of fingers used in the gesture.
===========================================================================
Notes
===========================================================================
For a complete example see test/testgesture.c
Please direct questions/comments to:
jim.tla+sdl_touch@gmail.com

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git
=========
The latest development version of SDL is available via git.
Git allows you to get up-to-the-minute fixes and enhancements;
as a developer works on a source tree, you can use "git" to mirror that
source tree instead of waiting for an official release. Please look
at the Git website ( https://git-scm.com/ ) for more
information on using git, where you can also download software for
macOS, Windows, and Unix systems.
git clone https://github.com/libsdl-org/SDL
If you are building SDL via configure, you will need to run autogen.sh
before running configure.
There is a web interface to the Git repository at:
http://github.com/libsdl-org/SDL/

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We are no longer hosted in Mercurial. Please see README-git.md for details.
Thanks!

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iOS
======
Building the Simple DirectMedia Layer for iOS 5.1+
==============================================================================
Requirements: Mac OS X 10.8 or later and the iOS 7+ SDK.
Instructions:
1. Open SDL.xcodeproj (located in Xcode/SDL) in Xcode.
2. Select your desired target, and hit build.
Using the Simple DirectMedia Layer for iOS
==============================================================================
1. Run Xcode and create a new project using the iOS Game template, selecting the Objective C language and Metal game technology.
2. In the main view, delete all files except for Assets and LaunchScreen
3. Right click the project in the main view, select "Add Files...", and add the SDL project, Xcode/SDL/SDL.xcodeproj
4. Select the project in the main view, go to the "Info" tab and under "Custom iOS Target Properties" remove the line "Main storyboard file base name"
5. Select the project in the main view, go to the "Build Settings" tab, select "All", and edit "Header Search Path" and drag over the SDL "Public Headers" folder from the left
6. Select the project in the main view, go to the "Build Phases" tab, select "Link Binary With Libraries", and add SDL2.framework from "Framework-iOS"
7. Select the project in the main view, go to the "General" tab, scroll down to "Frameworks, Libraries, and Embedded Content", and select "Embed & Sign" for the SDL library.
8. In the main view, expand SDL -> Library Source -> main -> uikit and drag SDL_uikit_main.c into your game files
9. Add the source files that you would normally have for an SDL program, making sure to have #include "SDL.h" at the top of the file containing your main() function.
10. Add any assets that your application needs.
11. Enjoy!
TODO: Add information regarding App Store requirements such as icons, etc.
Notes -- Retina / High-DPI and window sizes
==============================================================================
Window and display mode sizes in SDL are in "screen coordinates" (or "points",
in Apple's terminology) rather than in pixels. On iOS this means that a window
created on an iPhone 6 will have a size in screen coordinates of 375 x 667,
rather than a size in pixels of 750 x 1334. All iOS apps are expected to
size their content based on screen coordinates / points rather than pixels,
as this allows different iOS devices to have different pixel densities
(Retina versus non-Retina screens, etc.) without apps caring too much.
By default SDL will not use the full pixel density of the screen on
Retina/high-dpi capable devices. Use the SDL_WINDOW_ALLOW_HIGHDPI flag when
creating your window to enable high-dpi support.
When high-dpi support is enabled, SDL_GetWindowSize() and display mode sizes
will still be in "screen coordinates" rather than pixels, but the window will
have a much greater pixel density when the device supports it, and the
SDL_GL_GetDrawableSize() or SDL_GetRendererOutputSize() functions (depending on
whether raw OpenGL or the SDL_Render API is used) can be queried to determine
the size in pixels of the drawable screen framebuffer.
Some OpenGL ES functions such as glViewport expect sizes in pixels rather than
sizes in screen coordinates. When doing 2D rendering with OpenGL ES, an
orthographic projection matrix using the size in screen coordinates
(SDL_GetWindowSize()) can be used in order to display content at the same scale
no matter whether a Retina device is used or not.
Notes -- Application events
==============================================================================
On iOS the application goes through a fixed life cycle and you will get
notifications of state changes via application events. When these events
are delivered you must handle them in an event callback because the OS may
not give you any processing time after the events are delivered.
e.g.
int HandleAppEvents(void *userdata, SDL_Event *event)
{
switch (event->type)
{
case SDL_APP_TERMINATING:
/* Terminate the app.
Shut everything down before returning from this function.
*/
return 0;
case SDL_APP_LOWMEMORY:
/* You will get this when your app is paused and iOS wants more memory.
Release as much memory as possible.
*/
return 0;
case SDL_APP_WILLENTERBACKGROUND:
/* Prepare your app to go into the background. Stop loops, etc.
This gets called when the user hits the home button, or gets a call.
*/
return 0;
case SDL_APP_DIDENTERBACKGROUND:
/* This will get called if the user accepted whatever sent your app to the background.
If the user got a phone call and canceled it, you'll instead get an SDL_APP_DIDENTERFOREGROUND event and restart your loops.
When you get this, you have 5 seconds to save all your state or the app will be terminated.
Your app is NOT active at this point.
*/
return 0;
case SDL_APP_WILLENTERFOREGROUND:
/* This call happens when your app is coming back to the foreground.
Restore all your state here.
*/
return 0;
case SDL_APP_DIDENTERFOREGROUND:
/* Restart your loops here.
Your app is interactive and getting CPU again.
*/
return 0;
default:
/* No special processing, add it to the event queue */
return 1;
}
}
int main(int argc, char *argv[])
{
SDL_SetEventFilter(HandleAppEvents, NULL);
... run your main loop
return 0;
}
Notes -- Accelerometer as Joystick
==============================================================================
SDL for iPhone supports polling the built in accelerometer as a joystick device. For an example on how to do this, see the accelerometer.c in the demos directory.
The main thing to note when using the accelerometer with SDL is that while the iPhone natively reports accelerometer as floating point values in units of g-force, SDL_JoystickGetAxis() reports joystick values as signed integers. Hence, in order to convert between the two, some clamping and scaling is necessary on the part of the iPhone SDL joystick driver. To convert SDL_JoystickGetAxis() reported values BACK to units of g-force, simply multiply the values by SDL_IPHONE_MAX_GFORCE / 0x7FFF.
Notes -- OpenGL ES
==============================================================================
Your SDL application for iOS uses OpenGL ES for video by default.
OpenGL ES for iOS supports several display pixel formats, such as RGBA8 and RGB565, which provide a 32 bit and 16 bit color buffer respectively. By default, the implementation uses RGB565, but you may use RGBA8 by setting each color component to 8 bits in SDL_GL_SetAttribute().
If your application doesn't use OpenGL's depth buffer, you may find significant performance improvement by setting SDL_GL_DEPTH_SIZE to 0.
Finally, if your application completely redraws the screen each frame, you may find significant performance improvement by setting the attribute SDL_GL_RETAINED_BACKING to 0.
OpenGL ES on iOS doesn't use the traditional system-framebuffer setup provided in other operating systems. Special care must be taken because of this:
- The drawable Renderbuffer must be bound to the GL_RENDERBUFFER binding point when SDL_GL_SwapWindow() is called.
- The drawable Framebuffer Object must be bound while rendering to the screen and when SDL_GL_SwapWindow() is called.
- If multisample antialiasing (MSAA) is used and glReadPixels is used on the screen, the drawable framebuffer must be resolved to the MSAA resolve framebuffer (via glBlitFramebuffer or glResolveMultisampleFramebufferAPPLE), and the MSAA resolve framebuffer must be bound to the GL_READ_FRAMEBUFFER binding point, before glReadPixels is called.
The above objects can be obtained via SDL_GetWindowWMInfo() (in SDL_syswm.h).
Notes -- Keyboard
==============================================================================
The SDL keyboard API has been extended to support on-screen keyboards:
void SDL_StartTextInput()
-- enables text events and reveals the onscreen keyboard.
void SDL_StopTextInput()
-- disables text events and hides the onscreen keyboard.
SDL_bool SDL_IsTextInputActive()
-- returns whether or not text events are enabled (and the onscreen keyboard is visible)
Notes -- Mouse
==============================================================================
iOS now supports Bluetooth mice on iPad, but by default will provide the mouse input as touch. In order for SDL to see the real mouse events, you should set the key UIApplicationSupportsIndirectInputEvents to true in your Info.plist
Notes -- Reading and Writing files
==============================================================================
Each application installed on iPhone resides in a sandbox which includes its own Application Home directory. Your application may not access files outside this directory.
Once your application is installed its directory tree looks like:
MySDLApp Home/
MySDLApp.app
Documents/
Library/
Preferences/
tmp/
When your SDL based iPhone application starts up, it sets the working directory to the main bundle (MySDLApp Home/MySDLApp.app), where your application resources are stored. You cannot write to this directory. Instead, I advise you to write document files to "../Documents/" and preferences to "../Library/Preferences".
More information on this subject is available here:
http://developer.apple.com/library/ios/#documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/Introduction/Introduction.html
Notes -- iPhone SDL limitations
==============================================================================
Windows:
Full-size, single window applications only. You cannot create multi-window SDL applications for iPhone OS. The application window will fill the display, though you have the option of turning on or off the menu-bar (pass SDL_CreateWindow() the flag SDL_WINDOW_BORDERLESS).
Textures:
The optimal texture formats on iOS are SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGR888, and SDL_PIXELFORMAT_RGB24 pixel formats.
Loading Shared Objects:
This is disabled by default since it seems to break the terms of the iOS SDK agreement for iOS versions prior to iOS 8. It can be re-enabled in SDL_config_iphoneos.h.
Notes -- CoreBluetooth.framework
==============================================================================
SDL_JOYSTICK_HIDAPI is disabled by default. It can give you access to a lot
more game controller devices, but it requires permission from the user before
your app will be able to talk to the Bluetooth hardware. "Made For iOS"
branded controllers do not need this as we don't have to speak to them
directly with raw bluetooth, so many apps can live without this.
You'll need to link with CoreBluetooth.framework and add something like this
to your Info.plist:
<key>NSBluetoothPeripheralUsageDescription</key>
<string>MyApp would like to remain connected to nearby bluetooth Game Controllers and Game Pads even when you're not using the app.</string>
Game Center
==============================================================================
Game Center integration might require that you break up your main loop in order to yield control back to the system. In other words, instead of running an endless main loop, you run each frame in a callback function, using:
int SDL_iPhoneSetAnimationCallback(SDL_Window * window, int interval, void (*callback)(void*), void *callbackParam);
This will set up the given function to be called back on the animation callback, and then you have to return from main() to let the Cocoa event loop run.
e.g.
extern "C"
void ShowFrame(void*)
{
... do event handling, frame logic and rendering ...
}
int main(int argc, char *argv[])
{
... initialize game ...
#if __IPHONEOS__
// Initialize the Game Center for scoring and matchmaking
InitGameCenter();
// Set up the game to run in the window animation callback on iOS
// so that Game Center and so forth works correctly.
SDL_iPhoneSetAnimationCallback(window, 1, ShowFrame, NULL);
#else
while ( running ) {
ShowFrame(0);
DelayFrame();
}
#endif
return 0;
}
Deploying to older versions of iOS
==============================================================================
SDL supports deploying to older versions of iOS than are supported by the latest version of Xcode, all the way back to iOS 6.1
In order to do that you need to download an older version of Xcode:
https://developer.apple.com/download/more/?name=Xcode
Open the package contents of the older Xcode and your newer version of Xcode and copy over the folders in Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport
Then open the file Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/SDKSettings.plist and add the versions of iOS you want to deploy to the key Root/DefaultProperties/DEPLOYMENT_TARGET_SUGGESTED_VALUES
Open your project and set your deployment target to the desired version of iOS
Finally, remove GameController from the list of frameworks linked by your application and edit the build settings for "Other Linker Flags" and add -weak_framework GameController

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KMSDRM on *BSD
==================================================
KMSDRM is supported on FreeBSD and OpenBSD. DragonFlyBSD works but requires being a root user. NetBSD isn't supported yet because the application will crash when creating the KMSDRM screen.
WSCONS support has been brought back, but only as an input backend. It will not be brought back as a video backend to ease maintenance.
OpenBSD note: Note that the video backend assumes that the user has read/write permissions to the /dev/drm* devices.
SDL2 WSCONS input backend features
===================================================
1. It is keymap-aware; it will work properly with different keymaps.
2. It has mouse support.
3. Accent input is supported.
4. Compose keys are supported.
5. AltGr and Meta Shift keys work as intended.
Partially working or no input on OpenBSD/NetBSD.
==================================================
The WSCONS input backend needs read/write access to the /dev/wskbd* devices, without which it will not work properly. /dev/wsmouse must also be read/write accessible, otherwise mouse input will not work.
Partially working or no input on FreeBSD.
==================================================
The evdev devices are only accessible to the root user by default. Edit devfs rules to allow access to such devices. The /dev/kbd* devices are also only accessible to the root user by default. Edit devfs rules to allow access to such devices.

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Linux
================================================================================
By default SDL will only link against glibc, the rest of the features will be
enabled dynamically at runtime depending on the available features on the target
system. So, for example if you built SDL with Xinerama support and the target
system does not have the Xinerama libraries installed, it will be disabled
at runtime, and you won't get a missing library error, at least with the
default configuration parameters.
Build Dependencies
--------------------------------------------------------------------------------
Ubuntu 20.04, all available features enabled:
sudo apt-get install build-essential git make cmake autoconf automake \
libtool pkg-config libasound2-dev libpulse-dev libaudio-dev libjack-dev \
libx11-dev libxext-dev libxrandr-dev libxcursor-dev libxfixes-dev libxi-dev \
libxinerama-dev libxxf86vm-dev libxss-dev libgl1-mesa-dev libdbus-1-dev \
libudev-dev libgles2-mesa-dev libegl1-mesa-dev libibus-1.0-dev \
fcitx-libs-dev libsamplerate0-dev libsndio-dev libwayland-dev \
libxkbcommon-dev libdrm-dev libgbm-dev
Fedora 35, all available features enabled:
sudo yum install gcc git-core make cmake autoconf automake libtool \
alsa-lib-devel pulseaudio-libs-devel nas-devel pipewire-devel \
libX11-devel libXext-devel libXrandr-devel libXcursor-devel libXfixes-devel \
libXi-devel libXinerama-devel libXxf86vm-devel libXScrnSaver-devel \
dbus-devel ibus-devel fcitx-devel systemd-devel mesa-libGL-devel \
libxkbcommon-devel mesa-libGLES-devel mesa-libEGL-devel vulkan-devel \
wayland-devel wayland-protocols-devel libdrm-devel mesa-libgbm-devel \
libusb-devel pipewire-jack-audio-connection-kit-devel libdecor-devel \
libsamplerate-devel
NOTES:
- This includes all the audio targets except arts and esd, because Ubuntu
(and/or Debian) pulled their packages, but in theory SDL still supports them.
The sndio audio target is also unavailable on Fedora.
- libsamplerate0-dev lets SDL optionally link to libresamplerate at runtime
for higher-quality audio resampling. SDL will work without it if the library
is missing, so it's safe to build in support even if the end user doesn't
have this library installed.
- DirectFB isn't included because the configure script (currently) fails to find
it at all. You can do "sudo apt-get install libdirectfb-dev" and fix the
configure script to include DirectFB support. Send patches. :)
Joystick does not work
--------------------------------------------------------------------------------
If you compiled or are using a version of SDL with udev support (and you should!)
there's a few issues that may cause SDL to fail to detect your joystick. To
debug this, start by installing the evtest utility. On Ubuntu/Debian:
sudo apt-get install evtest
Then run:
sudo evtest
You'll hopefully see your joystick listed along with a name like "/dev/input/eventXX"
Now run:
cat /dev/input/event/XX
If you get a permission error, you need to set a udev rule to change the mode of
your device (see below)
Also, try:
sudo udevadm info --query=all --name=input/eventXX
If you see a line stating ID_INPUT_JOYSTICK=1, great, if you don't see it,
you need to set up an udev rule to force this variable.
A combined rule for the Saitek Pro Flight Rudder Pedals to fix both issues looks
like:
SUBSYSTEM=="input", ATTRS{idProduct}=="0763", ATTRS{idVendor}=="06a3", MODE="0666", ENV{ID_INPUT_JOYSTICK}="1"
SUBSYSTEM=="input", ATTRS{idProduct}=="0764", ATTRS{idVendor}=="06a3", MODE="0666", ENV{ID_INPUT_JOYSTICK}="1"
You can set up similar rules for your device by changing the values listed in
idProduct and idVendor. To obtain these values, try:
sudo udevadm info -a --name=input/eventXX | grep idVendor
sudo udevadm info -a --name=input/eventXX | grep idProduct
If multiple values come up for each of these, the one you want is the first one of each.
On other systems which ship with an older udev (such as CentOS), you may need
to set up a rule such as:
SUBSYSTEM=="input", ENV{ID_CLASS}=="joystick", ENV{ID_INPUT_JOYSTICK}="1"

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# Mac OS X (aka macOS).
These instructions are for people using Apple's Mac OS X (pronounced
"ten"), which in newer versions is just referred to as "macOS".
From the developer's point of view, macOS is a sort of hybrid Mac and
Unix system, and you have the option of using either traditional
command line tools or Apple's IDE Xcode.
# Command Line Build
To build SDL using the command line, use the standard configure and make
process:
```bash
mkdir build
cd build
../configure
make
sudo make install
```
CMake is also known to work, although it continues to be a work in progress:
```bash
mkdir build
cd build
cmake -DCMAKE_BUILD_TYPE=Release ..
make
sudo make install
```
You can also build SDL as a Universal library (a single binary for both
64-bit Intel and ARM architectures), by using the build-scripts/clang-fat.sh
script.
```bash
mkdir build
cd build
CC=$PWD/../build-scripts/clang-fat.sh ../configure
make
sudo make install
```
This script builds SDL with 10.6 ABI compatibility on 64-bit Intel and 11.0
ABI compatibility on ARM64 architectures. For best compatibility you
should compile your application the same way.
Please note that building SDL requires at least Xcode 4.6 and the 10.7 SDK
(even if you target back to 10.6 systems). PowerPC support for Mac OS X has
been officially dropped as of SDL 2.0.2. 32-bit Intel, using an older Xcode
release, is still supported at the time of this writing, but current Xcode
releases no longer support it, and eventually neither will SDL.
To use the library once it's built, you essential have two possibilities:
use the traditional autoconf/automake/make method, or use Xcode.
# Caveats for using SDL with Mac OS X
If you register your own NSApplicationDelegate (using [NSApp setDelegate:]),
SDL will not register its own. This means that SDL will not terminate using
SDL_Quit if it receives a termination request, it will terminate like a
normal app, and it will not send a SDL_DROPFILE when you request to open a
file with the app. To solve these issues, put the following code in your
NSApplicationDelegate implementation:
```objc
- (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender
{
if (SDL_GetEventState(SDL_QUIT) == SDL_ENABLE) {
SDL_Event event;
event.type = SDL_QUIT;
SDL_PushEvent(&event);
}
return NSTerminateCancel;
}
- (BOOL)application:(NSApplication *)theApplication openFile:(NSString *)filename
{
if (SDL_GetEventState(SDL_DROPFILE) == SDL_ENABLE) {
SDL_Event event;
event.type = SDL_DROPFILE;
event.drop.file = SDL_strdup([filename UTF8String]);
return (SDL_PushEvent(&event) > 0);
}
return NO;
}
```
# Using the Simple DirectMedia Layer with a traditional Makefile
An existing autoconf/automake build system for your SDL app has good chances
to work almost unchanged on macOS. However, to produce a "real" Mac binary
that you can distribute to users, you need to put the generated binary into a
so called "bundle", which is basically a fancy folder with a name like
"MyCoolGame.app".
To get this build automatically, add something like the following rule to
your Makefile.am:
```make
bundle_contents = APP_NAME.app/Contents
APP_NAME_bundle: EXE_NAME
mkdir -p $(bundle_contents)/MacOS
mkdir -p $(bundle_contents)/Resources
echo "APPL????" > $(bundle_contents)/PkgInfo
$(INSTALL_PROGRAM) $< $(bundle_contents)/MacOS/
```
You should replace `EXE_NAME` with the name of the executable. `APP_NAME` is
what will be visible to the user in the Finder. Usually it will be the same
as `EXE_NAME` but capitalized. E.g. if `EXE_NAME` is "testgame" then `APP_NAME`
usually is "TestGame". You might also want to use `@PACKAGE@` to use the
package name as specified in your configure.ac file.
If your project builds more than one application, you will have to do a bit
more. For each of your target applications, you need a separate rule.
If you want the created bundles to be installed, you may want to add this
rule to your Makefile.am:
```make
install-exec-hook: APP_NAME_bundle
rm -rf $(DESTDIR)$(prefix)/Applications/APP_NAME.app
mkdir -p $(DESTDIR)$(prefix)/Applications/
cp -r $< /$(DESTDIR)$(prefix)Applications/
```
This rule takes the Bundle created by the rule from step 3 and installs them
into "$(DESTDIR)$(prefix)/Applications/".
Again, if you want to install multiple applications, you will have to augment
the make rule accordingly.
But beware! That is only part of the story! With the above, you end up with
a barebones .app bundle, which is double-clickable from the Finder. But
there are some more things you should do before shipping your product...
1. The bundle right now probably is dynamically linked against SDL. That
means that when you copy it to another computer, *it will not run*,
unless you also install SDL on that other computer. A good solution
for this dilemma is to static link against SDL. On OS X, you can
achieve that by linking against the libraries listed by
```bash
sdl-config --static-libs
```
instead of those listed by
```bash
sdl-config --libs
```
Depending on how exactly SDL is integrated into your build systems, the
way to achieve that varies, so I won't describe it here in detail
2. Add an 'Info.plist' to your application. That is a special XML file which
contains some meta-information about your application (like some copyright
information, the version of your app, the name of an optional icon file,
and other things). Part of that information is displayed by the Finder
when you click on the .app, or if you look at the "Get Info" window.
More information about Info.plist files can be found on Apple's homepage.
As a final remark, let me add that I use some of the techniques (and some
variations of them) in [Exult](https://github.com/exult/exult) and
[ScummVM](https://github.com/scummvm/scummvm); both are available in source on
the net, so feel free to take a peek at them for inspiration!
# Using the Simple DirectMedia Layer with Xcode
These instructions are for using Apple's Xcode IDE to build SDL applications.
## First steps
The first thing to do is to unpack the Xcode.tar.gz archive in the
top level SDL directory (where the Xcode.tar.gz archive resides).
Because Stuffit Expander will unpack the archive into a subdirectory,
you should unpack the archive manually from the command line:
```bash
cd [path_to_SDL_source]
tar zxf Xcode.tar.gz
```
This will create a new folder called Xcode, which you can browse
normally from the Finder.
## Building the Framework
The SDL Library is packaged as a framework bundle, an organized
relocatable folder hierarchy of executable code, interface headers,
and additional resources. For practical purposes, you can think of a
framework as a more user and system-friendly shared library, whose library
file behaves more or less like a standard UNIX shared library.
To build the framework, simply open the framework project and build it.
By default, the framework bundle "SDL.framework" is installed in
/Library/Frameworks. Therefore, the testers and project stationary expect
it to be located there. However, it will function the same in any of the
following locations:
* ~/Library/Frameworks
* /Local/Library/Frameworks
* /System/Library/Frameworks
## Build Options
There are two "Build Styles" (See the "Targets" tab) for SDL.
"Deployment" should be used if you aren't tweaking the SDL library.
"Development" should be used to debug SDL apps or the library itself.
## Building the Testers
Open the SDLTest project and build away!
## Using the Project Stationary
Copy the stationary to the indicated folders to access it from
the "New Project" and "Add target" menus. What could be easier?
## Setting up a new project by hand
Some of you won't want to use the Stationary so I'll give some tips:
(this is accurate as of Xcode 12.5.)
* Click "File" -> "New" -> "Project...
* Choose "macOS" and then "App" from the "Application" section.
* Fill out the options in the next window. User interface is "XIB" and
Language is "Objective-C".
* Remove "main.m" from your project
* Remove "MainMenu.xib" from your project
* Remove "AppDelegates.*" from your project
* Add "\$(HOME)/Library/Frameworks/SDL.framework/Headers" to include path
* Add "\$(HOME)/Library/Frameworks" to the frameworks search path
* Add "-framework SDL -framework Foundation -framework AppKit" to "OTHER_LDFLAGS"
* Add your files
* Clean and build
## Building from command line
Use `xcode-build` in the same directory as your .pbxproj file
## Running your app
You can send command line args to your app by either invoking it from
the command line (in *.app/Contents/MacOS) or by entering them in the
Executables" panel of the target settings.
# Implementation Notes
Some things that may be of interest about how it all works...
## Working directory
In SDL 1.2, the working directory of your SDL app is by default set to its
parent, but this is no longer the case in SDL 2.0. SDL2 does change the
working directory, which means it'll be whatever the command line prompt
that launched the program was using, or if launched by double-clicking in
the finger, it will be "/", the _root of the filesystem_. Plan accordingly!
You can use SDL_GetBasePath() to find where the program is running from and
chdir() there directly.
## You have a Cocoa App!
Your SDL app is essentially a Cocoa application. When your app
starts up and the libraries finish loading, a Cocoa procedure is called,
which sets up the working directory and calls your main() method.
You are free to modify your Cocoa app with generally no consequence
to SDL. You cannot, however, easily change the SDL window itself.
Functionality may be added in the future to help this.
# Bug reports
Bugs are tracked at [the GitHub issue tracker](https://github.com/libsdl-org/SDL/issues/).
Please feel free to report bugs there!

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Native Client
================================================================================
Requirements:
* Native Client SDK (https://developer.chrome.com/native-client),
(tested with Pepper version 33 or higher).
The SDL backend for Chrome's Native Client has been tested only with the PNaCl
toolchain, which generates binaries designed to run on ARM and x86_32/64
platforms. This does not mean it won't work with the other toolchains!
================================================================================
Building SDL for NaCl
================================================================================
Set up the right environment variables (see naclbuild.sh), then configure SDL with:
configure --host=pnacl --prefix some/install/destination
Then "make".
As an example of how to create a deployable app a Makefile project is provided
in test/nacl/Makefile, which includes some monkey patching of the common.mk file
provided by NaCl, without which linking properly to SDL won't work (the search
path can't be modified externally, so the linker won't find SDL's binaries unless
you dump them into the SDK path, which is inconvenient).
Also provided in test/nacl is the required support file, such as index.html,
manifest.json, etc.
SDL apps for NaCl run on a worker thread using the ppapi_simple infrastructure.
This allows for blocking calls on all the relevant systems (OpenGL ES, filesystem),
hiding the asynchronous nature of the browser behind the scenes...which is not the
same as making it disappear!
================================================================================
Running tests
================================================================================
Due to the nature of NaCl programs, building and running SDL tests is not as
straightforward as one would hope. The script naclbuild.sh in build-scripts
automates the process and should serve as a guide for users of SDL trying to build
their own applications.
Basic usage:
./naclbuild.sh path/to/pepper/toolchain (i.e. ~/naclsdk/pepper_35)
This will build testgles2.c by default.
If you want to build a different test, for example testrendercopyex.c:
SOURCES=~/sdl/SDL/test/testrendercopyex.c ./naclbuild.sh ~/naclsdk/pepper_35
Once the build finishes, you have to serve the contents with a web server (the
script will give you instructions on how to do that with Python).
================================================================================
RWops and nacl_io
================================================================================
SDL_RWops work transparently with nacl_io. Two functions control the mount points:
int mount(const char* source, const char* target,
const char* filesystemtype,
unsigned long mountflags, const void *data);
int umount(const char *target);
For convenience, SDL will by default mount an httpfs tree at / before calling
the app's main function. Such setting can be overridden by calling:
umount("/");
And then mounting a different filesystem at /
It's important to consider that the asynchronous nature of file operations on a
browser is hidden from the application, effectively providing the developer with
a set of blocking file operations just like you get in a regular desktop
environment, which eases the job of porting to Native Client, but also introduces
a set of challenges of its own, in particular when big file sizes and slow
connections are involved.
For more information on how nacl_io and mount points work, see:
https://developer.chrome.com/native-client/devguide/coding/nacl_io
https://src.chromium.org/chrome/trunk/src/native_client_sdk/src/libraries/nacl_io/nacl_io.h
To be able to save into the directory "/save/" (like backup of game) :
mount("", "/save", "html5fs", 0, "type=PERSISTENT");
And add to manifest.json :
"permissions": [
"unlimitedStorage"
]
================================================================================
TODO - Known Issues
================================================================================
* Testing of all systems with a real application (something other than SDL's tests)
* Key events don't seem to work properly

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Simple DirectMedia Layer 2 for OS/2 & eComStation
================================================================================
SDL port for OS/2, authored by Andrey Vasilkin <digi@os2.snc.ru>, 2016
OpenGL and audio capture not supported by this port.
Additional optional environment variables:
SDL_AUDIO_SHARE
Values: 0 or 1, default is 0
Initializes the device as shareable or exclusively acquired.
SDL_VIDEODRIVER
Values: DIVE or VMAN, default is DIVE
Use video subsystem: Direct interface video extensions (DIVE) or
Video Manager (VMAN).
You may significantly increase video output speed with OS4 kernel and patched
files vman.dll and dive.dll or with latest versions of ACPI support and video
driver Panorama.
Latest versions of OS/4 kernel:
http://gus.biysk.ru/os4/
(Info: https://www.os2world.com/wiki/index.php/Phoenix_OS/4)
Patched files vman.dll and dive.dll:
http://gus.biysk.ru/os4/test/pached_dll/PATCHED_DLL.RAR
Compiling:
----------
Open Watcom 1.9 or newer is tested. For the new Open Watcom V2 fork, see:
https://github.com/open-watcom/ and https://open-watcom.github.io
WATCOM environment variable must to be set to the Open Watcom install
directory. To compile, run: wmake -f Makefile.os2
Installing:
-----------
- eComStation:
If you have previously installed SDL2, make a Backup copy of SDL2.dll
located in D:\ecs\dll (where D: is disk on which installed eComStation).
Stop all programs running with SDL2. Copy SDL2.dll to D:\ecs\dll
- OS/2:
Copy SDL2.dll to any directory on your LIBPATH. If you have a previous
version installed, close all SDL2 applications before replacing the old
copy. Also make sure that any other older versions of DLLs are removed
from your system.
Joysticks in SDL2:
------------------
The joystick code in SDL2 is a direct forward-port from the SDL-1.2 version.
Here is the original documentation from SDL-1.2:
The Joystick detection only works for standard joysticks (2 buttons, 2 axes
and the like). Therefore, if you use a non-standard joystick, you should
specify its features in the SDL_OS2_JOYSTICK environment variable in a batch
file or CONFIG.SYS, so SDL applications can provide full capability to your
device. The syntax is:
SET SDL_OS2_JOYSTICK=[JOYSTICK_NAME] [AXES] [BUTTONS] [HATS] [BALLS]
So, it you have a Gravis GamePad with 4 axes, 2 buttons, 2 hats and 0 balls,
the line should be:
SET SDL_OS2_JOYSTICK=Gravis_GamePad 4 2 2 0
If you want to add spaces in your joystick name, just surround it with
quotes or double-quotes:
SET SDL_OS2_JOYSTICK='Gravis GamePad' 4 2 2 0
or
SET SDL_OS2_JOYSTICK="Gravis GamePad" 4 2 2 0
Note however that Balls and Hats are not supported under OS/2, and the
value will be ignored... but it is wise to define these correctly because
in the future those can be supported.
Also the number of buttons is limited to 2 when using two joysticks,
4 when using one joystick with 4 axes, 6 when using a joystick with 3 axes
and 8 when using a joystick with 2 axes. Notice however these are limitations
of the Joystick Port hardware, not OS/2.

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Pandora
=====================================================================
( http://openpandora.org/ )
- A pandora specific video driver was written to allow SDL 2.0 with OpenGL ES
support to work on the pandora under the framebuffer. This driver do not have
input support for now, so if you use it you will have to add your own control code.
The video driver name is "pandora" so if you have problem running it from
the framebuffer, try to set the following variable before starting your application :
"export SDL_VIDEODRIVER=pandora"
- OpenGL ES support was added to the x11 driver, so it's working like the normal
x11 driver one with OpenGLX support, with SDL input event's etc..
David Carré (Cpasjuste)
cpasjuste@gmail.com

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Platforms
=========
We maintain the list of supported platforms on our wiki now, and how to
build and install SDL for those platforms:
https://wiki.libsdl.org/Installation

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Porting
=======
* Porting To A New Platform
The first thing you have to do when porting to a new platform, is look at
include/SDL_platform.h and create an entry there for your operating system.
The standard format is "__PLATFORM__", where PLATFORM is the name of the OS.
Ideally SDL_platform.h will be able to auto-detect the system it's building
on based on C preprocessor symbols.
There are two basic ways of building SDL at the moment:
1. The "UNIX" way: ./configure; make; make install
If you have a GNUish system, then you might try this. Edit configure.ac,
take a look at the large section labelled:
"Set up the configuration based on the host platform!"
Add a section for your platform, and then re-run autogen.sh and build!
2. Using an IDE:
If you're using an IDE or other non-configure build system, you'll probably
want to create a custom SDL_config.h for your platform. Edit SDL_config.h,
add a section for your platform, and create a custom SDL_config_{platform}.h,
based on SDL_config_minimal.h and SDL_config.h.in
Add the top level include directory to the header search path, and then add
the following sources to the project:
src/*.c
src/atomic/*.c
src/audio/*.c
src/cpuinfo/*.c
src/events/*.c
src/file/*.c
src/haptic/*.c
src/joystick/*.c
src/power/*.c
src/render/*.c
src/render/software/*.c
src/stdlib/*.c
src/thread/*.c
src/timer/*.c
src/video/*.c
src/audio/disk/*.c
src/audio/dummy/*.c
src/filesystem/dummy/*.c
src/video/dummy/*.c
src/haptic/dummy/*.c
src/joystick/dummy/*.c
src/main/dummy/*.c
src/thread/generic/*.c
src/timer/dummy/*.c
src/loadso/dummy/*.c
Once you have a working library without any drivers, you can go back to each
of the major subsystems and start implementing drivers for your platform.
If you have any questions, don't hesitate to ask on the SDL mailing list:
http://www.libsdl.org/mailing-list.php
Enjoy!
Sam Lantinga (slouken@libsdl.org)

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PSP
======
SDL2 port for the Sony PSP contributed by:
- Captian Lex
- Francisco Javier Trujillo Mata
- Wouter Wijsman
Credit to
Marcus R.Brown,Jim Paris,Matthew H for the original SDL 1.2 for PSP
Geecko for his PSP GU lib "Glib2d"
## Building
To build SDL2 library for the PSP, make sure you have the latest PSPDev status and run:
```bash
cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=$PSPDEV/psp/share/pspdev.cmake
cmake --build build
cmake --install build
```
## Getting PSP Dev
[Installing PSP Dev](https://github.com/pspdev/pspdev)
## Running on PPSSPP Emulator
[PPSSPP](https://github.com/hrydgard/ppsspp)
[Build Instructions](https://github.com/hrydgard/ppsspp/wiki/Build-instructions)
## Compiling a HelloWorld
[PSP Hello World](https://psp-dev.org/doku.php?id=tutorial:hello_world)
## To Do
- PSP Screen Keyboard
- Dialogs

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Raspberry Pi
============
Requirements:
Raspbian (other Linux distros may work as well).
Features
--------
* Works without X11
* Hardware accelerated OpenGL ES 2.x
* Sound via ALSA
* Input (mouse/keyboard/joystick) via EVDEV
* Hotplugging of input devices via UDEV
Raspbian Build Dependencies
---------------------------
sudo apt-get install libudev-dev libasound2-dev libdbus-1-dev
You also need the VideoCore binary stuff that ships in /opt/vc for EGL and
OpenGL ES 2.x, it usually comes pre-installed, but in any case:
sudo apt-get install libraspberrypi0 libraspberrypi-bin libraspberrypi-dev
NEON
----
If your Pi has NEON support, make sure you add -mfpu=neon to your CFLAGS so
that SDL will select some otherwise-disabled highly-optimized code. The
original Pi units don't have NEON, the Pi2 probably does, and the Pi3
definitely does.
Cross compiling from x86 Linux
------------------------------
To cross compile SDL for Raspbian from your desktop machine, you'll need a
Raspbian system root and the cross compilation tools. We'll assume these tools
will be placed in /opt/rpi-tools
sudo git clone --depth 1 https://github.com/raspberrypi/tools /opt/rpi-tools
You'll also need a Raspbian binary image.
Get it from: http://downloads.raspberrypi.org/raspbian_latest
After unzipping, you'll get file with a name like: "<date>-wheezy-raspbian.img"
Let's assume the sysroot will be built in /opt/rpi-sysroot.
export SYSROOT=/opt/rpi-sysroot
sudo kpartx -a -v <path_to_raspbian_image>.img
sudo mount -o loop /dev/mapper/loop0p2 /mnt
sudo cp -r /mnt $SYSROOT
sudo apt-get install qemu binfmt-support qemu-user-static
sudo cp /usr/bin/qemu-arm-static $SYSROOT/usr/bin
sudo mount --bind /dev $SYSROOT/dev
sudo mount --bind /proc $SYSROOT/proc
sudo mount --bind /sys $SYSROOT/sys
Now, before chrooting into the ARM sysroot, you'll need to apply a workaround,
edit $SYSROOT/etc/ld.so.preload and comment out all lines in it.
sudo chroot $SYSROOT
apt-get install libudev-dev libasound2-dev libdbus-1-dev libraspberrypi0 libraspberrypi-bin libraspberrypi-dev libx11-dev libxext-dev libxrandr-dev libxcursor-dev libxi-dev libxinerama-dev libxxf86vm-dev libxss-dev
exit
sudo umount $SYSROOT/dev
sudo umount $SYSROOT/proc
sudo umount $SYSROOT/sys
sudo umount /mnt
There's one more fix required, as the libdl.so symlink uses an absolute path
which doesn't quite work in our setup.
sudo rm -rf $SYSROOT/usr/lib/arm-linux-gnueabihf/libdl.so
sudo ln -s ../../../lib/arm-linux-gnueabihf/libdl.so.2 $SYSROOT/usr/lib/arm-linux-gnueabihf/libdl.so
The final step is compiling SDL itself.
export CC="/opt/rpi-tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf-gcc --sysroot=$SYSROOT -I$SYSROOT/opt/vc/include -I$SYSROOT/usr/include -I$SYSROOT/opt/vc/include/interface/vcos/pthreads -I$SYSROOT/opt/vc/include/interface/vmcs_host/linux"
cd <SDL SOURCE>
mkdir -p build;cd build
LDFLAGS="-L$SYSROOT/opt/vc/lib" ../configure --with-sysroot=$SYSROOT --host=arm-raspberry-linux-gnueabihf --prefix=$PWD/rpi-sdl2-installed --disable-pulseaudio --disable-esd
make
make install
To be able to deploy this to /usr/local in the Raspbian system you need to fix up a few paths:
perl -w -pi -e "s#$PWD/rpi-sdl2-installed#/usr/local#g;" ./rpi-sdl2-installed/lib/libSDL2.la ./rpi-sdl2-installed/lib/pkgconfig/sdl2.pc ./rpi-sdl2-installed/bin/sdl2-config
Apps don't work or poor video/audio performance
-----------------------------------------------
If you get sound problems, buffer underruns, etc, run "sudo rpi-update" to
update the RPi's firmware. Note that doing so will fix these problems, but it
will also render the CMA - Dynamic Memory Split functionality useless.
Also, by default the Raspbian distro configures the GPU RAM at 64MB, this is too
low in general, specially if a 1080p TV is hooked up.
See here how to configure this setting: http://elinux.org/RPiconfig
Using a fixed gpu_mem=128 is the best option (specially if you updated the
firmware, using CMA probably won't work, at least it's the current case).
No input
--------
Make sure you belong to the "input" group.
sudo usermod -aG input `whoami`
No HDMI Audio
-------------
If you notice that ALSA works but there's no audio over HDMI, try adding:
hdmi_drive=2
to your config.txt file and reboot.
Reference: http://www.raspberrypi.org/phpBB3/viewtopic.php?t=5062
Text Input API support
----------------------
The Text Input API is supported, with translation of scan codes done via the
kernel symbol tables. For this to work, SDL needs access to a valid console.
If you notice there's no SDL_TEXTINPUT message being emitted, double check that
your app has read access to one of the following:
* /proc/self/fd/0
* /dev/tty
* /dev/tty[0...6]
* /dev/vc/0
* /dev/console
This is usually not a problem if you run from the physical terminal (as opposed
to running from a pseudo terminal, such as via SSH). If running from a PTS, a
quick workaround is to run your app as root or add yourself to the tty group,
then re-login to the system.
sudo usermod -aG tty `whoami`
The keyboard layout used by SDL is the same as the one the kernel uses.
To configure the layout on Raspbian:
sudo dpkg-reconfigure keyboard-configuration
To configure the locale, which controls which keys are interpreted as letters,
this determining the CAPS LOCK behavior:
sudo dpkg-reconfigure locales
OpenGL problems
---------------
If you have desktop OpenGL headers installed at build time in your RPi or cross
compilation environment, support for it will be built in. However, the chipset
does not actually have support for it, which causes issues in certain SDL apps
since the presence of OpenGL support supersedes the ES/ES2 variants.
The workaround is to disable OpenGL at configuration time:
./configure --disable-video-opengl
Or if the application uses the Render functions, you can use the SDL_RENDER_DRIVER
environment variable:
export SDL_RENDER_DRIVER=opengles2
Notes
-----
* When launching apps remotely (via SSH), SDL can prevent local keystrokes from
leaking into the console only if it has root privileges. Launching apps locally
does not suffer from this issue.

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RISC OS
=======
Requirements:
* RISC OS 3.5 or later.
* [SharedUnixLibrary](http://www.riscos.info/packages/LibraryDetails.html#SharedUnixLibraryarm).
* [DigitalRenderer](http://www.riscos.info/packages/LibraryDetails.html#DRendererarm), for audio support.
* [Iconv](http://www.netsurf-browser.org/projects/iconv/), for `SDL_iconv` and related functions.
Compiling:
----------
Currently, SDL2 for RISC OS only supports compiling with GCCSDK under Linux. Both the autoconf and CMake build systems are supported.
The following commands can be used to build SDL2 for RISC OS using autoconf:
./configure --host=arm-unknown-riscos --prefix=$GCCSDK_INSTALL_ENV --disable-gcc-atomics
make
make install
The following commands can be used to build SDL2 for RISC OS using CMake:
cmake -Bbuild-riscos -DCMAKE_TOOLCHAIN_FILE=$GCCSDK_INSTALL_ENV/toolchain-riscos.cmake -DRISCOS=ON -DCMAKE_INSTALL_PREFIX=$GCCSDK_INSTALL_ENV -DCMAKE_BUILD_TYPE=Release -DSDL_GCC_ATOMICS=OFF
cmake --build build-riscos
cmake --build build-riscos --target install
Current level of implementation
-------------------------------
The video driver currently provides full screen video support with keyboard and mouse input. Windowed mode is not yet supported, but is planned in the future. Only software rendering is supported.
The filesystem APIs return either Unix-style paths or RISC OS-style paths based on the value of the `__riscosify_control` symbol, as is standard for UnixLib functions.
The audio, loadso, thread and timer APIs are currently provided by UnixLib.
GCC atomics are currently broken on some platforms, meaning it's currently necessary to compile with `--disable-gcc-atomics` using autotools or `-DSDL_GCC_ATOMICS=OFF` using CMake.
The joystick, locale and power APIs are not yet implemented.

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Touch
===========================================================================
System Specific Notes
===========================================================================
Linux:
The linux touch system is currently based off event streams, and proc/bus/devices. The active user must be given permissions to read /dev/input/TOUCHDEVICE, where TOUCHDEVICE is the event stream for your device. Currently only Wacom tablets are supported. If you have an unsupported tablet contact me at jim.tla+sdl_touch@gmail.com and I will help you get support for it.
Mac:
The Mac and iPhone APIs are pretty. If your touch device supports them then you'll be fine. If it doesn't, then there isn't much we can do.
iPhone:
Works out of box.
Windows:
Unfortunately there is no windows support as of yet. Support for Windows 7 is planned, but we currently have no way to test. If you have a Windows 7 WM_TOUCH supported device, and are willing to help test please contact me at jim.tla+sdl_touch@gmail.com
===========================================================================
Events
===========================================================================
SDL_FINGERDOWN:
Sent when a finger (or stylus) is placed on a touch device.
Fields:
* event.tfinger.touchId - the Id of the touch device.
* event.tfinger.fingerId - the Id of the finger which just went down.
* event.tfinger.x - the x coordinate of the touch (0..1)
* event.tfinger.y - the y coordinate of the touch (0..1)
* event.tfinger.pressure - the pressure of the touch (0..1)
SDL_FINGERMOTION:
Sent when a finger (or stylus) is moved on the touch device.
Fields:
Same as SDL_FINGERDOWN but with additional:
* event.tfinger.dx - change in x coordinate during this motion event.
* event.tfinger.dy - change in y coordinate during this motion event.
SDL_FINGERUP:
Sent when a finger (or stylus) is lifted from the touch device.
Fields:
Same as SDL_FINGERDOWN.
===========================================================================
Functions
===========================================================================
SDL provides the ability to access the underlying SDL_Finger structures.
These structures should _never_ be modified.
The following functions are included from SDL_touch.h
To get a SDL_TouchID call SDL_GetTouchDevice(int index).
This returns a SDL_TouchID.
IMPORTANT: If the touch has been removed, or there is no touch with the given index, SDL_GetTouchDevice() will return 0. Be sure to check for this!
The number of touch devices can be queried with SDL_GetNumTouchDevices().
A SDL_TouchID may be used to get pointers to SDL_Finger.
SDL_GetNumTouchFingers(touchID) may be used to get the number of fingers currently down on the device.
The most common reason to access SDL_Finger is to query the fingers outside the event. In most cases accessing the fingers is using the event. This would be accomplished by code like the following:
float x = event.tfinger.x;
float y = event.tfinger.y;
To get a SDL_Finger, call SDL_GetTouchFinger(SDL_TouchID touchID, int index), where touchID is a SDL_TouchID, and index is the requested finger.
This returns a SDL_Finger *, or NULL if the finger does not exist, or has been removed.
A SDL_Finger is guaranteed to be persistent for the duration of a touch, but it will be de-allocated as soon as the finger is removed. This occurs when the SDL_FINGERUP event is _added_ to the event queue, and thus _before_ the SDL_FINGERUP event is polled.
As a result, be very careful to check for NULL return values.
A SDL_Finger has the following fields:
* x, y:
The current coordinates of the touch.
* pressure:
The pressure of the touch.
===========================================================================
Notes
===========================================================================
For a complete example see test/testgesture.c
Please direct questions/comments to:
jim.tla+sdl_touch@gmail.com
(original author, API was changed since)

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Using SDL with Microsoft Visual C++
===================================
### by Lion Kimbro with additions by James Turk
You can either use the precompiled libraries from the [SDL](https://www.libsdl.org/download.php) web site, or you can build SDL
yourself.
### Building SDL
0. To build SDL, your machine must, at a minimum, have the DirectX9.0c SDK installed. It may or may not be retrievable from
the [Microsoft](https://www.microsoft.com) website, so you might need to locate it [online](https://duckduckgo.com/?q=directx9.0c+sdk+download&t=h_&ia=web).
_Editor's note: I've been able to successfully build SDL using Visual Studio 2019 **without** the DX9.0c SDK_
1. Open the Visual Studio solution file at `./VisualC/SDL.sln`.
2. Your IDE will likely prompt you to upgrade this solution file to whatever later version of the IDE you're using. In the `Retarget Projects` dialog,
all of the affected project files should be checked allowing you to use the latest `Windows SDK Version` you have installed, along with
the `Platform Toolset`.
If you choose *NOT* to upgrade to use the latest `Windows SDK Version` or `Platform Toolset`, then you'll need the `Visual Studio 2010 Platform Toolset`.
3. Build the `.dll` and `.lib` files by right clicking on each project in turn (Projects are listed in the _Workspace_
panel in the _FileView_ tab), and selecting `Build`.
You may get a few warnings, but you should not get any errors.
Later, we will refer to the following `.lib` and `.dll` files that have just been generated:
- `./VisualC/Win32/Debug/SDL2.dll` or `./VisualC/Win32/Release/SDL2.dll`
- `./VisualC/Win32/Debug/SDL2.lib` or `./VisualC/Win32/Release/SDL2.lib`
- `./VisualC/Win32/Debug/SDL2main.lib` or `./VisualC/Win32/Release/SDL2main.lib`
_Note for the `x64` versions, just replace `Win32` in the path with `x64`_
### Creating a Project with SDL
- Create a project as a `Win32 Application`.
- Create a C++ file for your project.
- Set the C runtime to `Multi-threaded DLL` in the menu:
`Project|Settings|C/C++ tab|Code Generation|Runtime Library `.
- Add the SDL `include` directory to your list of includes in the menu:
`Project|Settings|C/C++ tab|Preprocessor|Additional include directories `
*VC7 Specific: Instead of doing this, I find it easier to add the
include and library directories to the list that VC7 keeps. Do this by
selecting Tools|Options|Projects|VC++ Directories and under the "Show
Directories For:" dropbox select "Include Files", and click the "New
Directory Icon" and add the [SDLROOT]\\include directory (e.g. If you
installed to c:\\SDL\\ add c:\\SDL\\include). Proceed to change the
dropbox selection to "Library Files" and add [SDLROOT]\\lib.*
The "include directory" I am referring to is the `./include` folder.
Now we're going to use the files that we had created earlier in the *Build SDL* step.
Copy the following file into your Project directory:
- `SDL2.dll`
Add the following files to your project (It is not necessary to copy them to your project directory):
- `SDL2.lib`
- `SDL2main.lib`
To add them to your project, right click on your project, and select
`Add files to project`.
**Instead of adding the files to your project, it is more desirable to add them to the linker options: Project|Properties|Linker|Command Line
and type the names of the libraries to link with in the "Additional Options:" box. Note: This must be done for each build configuration
(e.g. Release,Debug).**
### Hello SDL2
Here's a sample SDL snippet to verify everything is setup in your IDE:
```
#include "SDL.h"
int main( int argc, char* argv[] )
{
const int WIDTH = 640;
const int HEIGHT = 480;
SDL_Window* window = NULL;
SDL_Renderer* renderer = NULL;
SDL_Init(SDL_INIT_VIDEO);
window = SDL_CreateWindow("SDL2 Test", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, WIDTH, HEIGHT, SDL_WINDOW_SHOWN);
renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
SDL_Quit();
return 0;
}
```
### That's it!
I hope that this document has helped you get through the most difficult part of using the SDL: installing it.
Suggestions for improvements should be posted to the [Github Issues](https://github.com/libsdl-org/SDL/issues).
### Credits
Thanks to [Paulus Esterhazy](mailto:pesterhazy@gmx.net), for the work on VC++ port.
This document was originally called "VisualC.txt", and was written by [Sam Lantinga](mailto:slouken@libsdl.org).
Later, it was converted to HTML and expanded into the document that you see today by [Lion Kimbro](mailto:snowlion@sprynet.com).
Minor Fixes and Visual C++ 7 Information (In Green) was added by [James Turk](mailto:james@conceptofzero.net)

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PS Vita
=======
SDL port for the Sony Playstation Vita and Sony Playstation TV
Credit to
* xerpi, cpasjuste and rsn8887 for initial (vita2d) port
* vitasdk/dolcesdk devs
* CBPS discord (Namely Graphene and SonicMastr)
Building
--------
To build for the PSVita, make sure you have vitasdk and cmake installed and run:
```
cmake -S. -Bbuild -DCMAKE_TOOLCHAIN_FILE=${VITASDK}/share/vita.toolchain.cmake -DCMAKE_BUILD_TYPE=Release
cmake --build build
cmake --install build
```
Notes
-----
* gles1/gles2 support and renderers are disabled by default and can be enabled by configuring with `-DVIDEO_VITA_PVR=ON`
These renderers support 720p and 1080i resolutions. These can be specified with:
`SDL_setenv("VITA_RESOLUTION", "720", 1);` and `SDL_setenv("VITA_RESOLUTION", "1080", 1);`
* Desktop GL 1.X and 2.X support and renderers are also disabled by default and also can be enabled with `-DVIDEO_VITA_PVR=ON` as long as gl4es4vita is present in your SDK.
They support the same resolutions as the gles1/gles2 backends and require specifying `SDL_setenv("VITA_PVR_OGL", "1", 1);`
anytime before video subsystem initialization.
* gles2 support via PIB is disabled by default and can be enabled by configuring with `-DVIDEO_VITA_PIB=ON`
* By default SDL emits mouse events for touch events on every touchscreen.
Vita has two touchscreens, so it's recommended to use `SDL_SetHint(SDL_HINT_TOUCH_MOUSE_EVENTS, "0");` and handle touch events instead.
Individual touchscreens can be disabled with:
`SDL_setenv("VITA_DISABLE_TOUCH_FRONT", "1", 1);` and `SDL_setenv("VITA_DISABLE_TOUCH_BACK", "1", 1);`
* Support for L2/R2/R3/R3 buttons, haptic feedback and gamepad led only available on PSTV, or when using external ds4 gamepad on vita.

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WinCE
=====
Windows CE is no longer supported by SDL.
We have left the CE support in SDL 1.2 for those that must have it, and we
have support for Windows Phone 8 and WinRT in SDL2, as of SDL 2.0.3.
--ryan.

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# Windows
## LLVM and Intel C++ compiler support
SDL will build with the Visual Studio project files with LLVM-based compilers, such as the Intel oneAPI C++
compiler, but you'll have to manually add the "-msse3" command line option
to at least the SDL_audiocvt.c source file, and possibly others. This may
not be necessary if you build SDL with CMake instead of the included Visual
Studio solution.
Details are here: https://github.com/libsdl-org/SDL/issues/5186
## OpenGL ES 2.x support
SDL has support for OpenGL ES 2.x under Windows via two alternative
implementations.
The most straightforward method consists in running your app in a system with
a graphic card paired with a relatively recent (as of November of 2013) driver
which supports the WGL_EXT_create_context_es2_profile extension. Vendors known
to ship said extension on Windows currently include nVidia and Intel.
The other method involves using the
[ANGLE library](https://code.google.com/p/angleproject/). If an OpenGL ES 2.x
context is requested and no WGL_EXT_create_context_es2_profile extension is
found, SDL will try to load the libEGL.dll library provided by ANGLE.
To obtain the ANGLE binaries, you can either compile from source from
https://chromium.googlesource.com/angle/angle or copy the relevant binaries
from a recent Chrome/Chromium install for Windows. The files you need are:
- libEGL.dll
- libGLESv2.dll
- d3dcompiler_46.dll (supports Windows Vista or later, better shader
compiler) *or* d3dcompiler_43.dll (supports Windows XP or later)
If you compile ANGLE from source, you can configure it so it does not need the
d3dcompiler_* DLL at all (for details on this, see their documentation).
However, by default SDL will try to preload the d3dcompiler_46.dll to
comply with ANGLE's requirements. If you wish SDL to preload
d3dcompiler_43.dll (to support Windows XP) or to skip this step at all, you
can use the SDL_HINT_VIDEO_WIN_D3DCOMPILER hint (see SDL_hints.h for more
details).
Known Bugs:
- SDL_GL_SetSwapInterval is currently a no op when using ANGLE. It appears
that there's a bug in the library which prevents the window contents from
refreshing if this is set to anything other than the default value.
## Vulkan Surface Support
Support for creating Vulkan surfaces is configured on by default. To disable
it change the value of `SDL_VIDEO_VULKAN` to 0 in `SDL_config_windows.h`. You
must install the [Vulkan SDK](https://www.lunarg.com/vulkan-sdk/) in order to
use Vulkan graphics in your application.

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WinRT
=====
This port allows SDL applications to run on Microsoft's platforms that require
use of "Windows Runtime", aka. "WinRT", APIs. Microsoft may, in some cases,
refer to them as either "Windows Store", or for Windows 10, "UWP" apps.
Some of the operating systems that include WinRT, are:
* Windows 10, via its Universal Windows Platform (UWP) APIs
* Windows 8.x
* Windows RT 8.x (aka. Windows 8.x for ARM processors)
* Windows Phone 8.x
Requirements
------------
* Microsoft Visual C++ (aka Visual Studio), either 2017, 2015, 2013, or 2012
- Free, "Community" or "Express" editions may be used, so long as they
include support for either "Windows Store" or "Windows Phone" apps.
"Express" versions marked as supporting "Windows Desktop" development
typically do not include support for creating WinRT apps, to note.
(The "Community" editions of Visual C++ do, however, support both
desktop/Win32 and WinRT development).
- Visual Studio 2017 can be used, however it is recommended that you install
the Visual C++ 2015 build tools. These build tools can be installed
using VS 2017's installer. Be sure to also install the workload for
"Universal Windows Platform development", its optional component, the
"C++ Universal Windows Platform tools", and for UWP / Windows 10
development, the "Windows 10 SDK (10.0.10240.0)". Please note that
targeting UWP / Windows 10 apps from development machine(s) running
earlier versions of Windows, such as Windows 7, is not always supported
by Visual Studio, and you may get error(s) when attempting to do so.
- Visual C++ 2012 can only build apps that target versions 8.0 of Windows,
or Windows Phone. 8.0-targeted apps will run on devices running 8.1
editions of Windows, however they will not be able to take advantage of
8.1-specific features.
- Visual C++ 2013 cannot create app projects that target Windows 8.0.
Visual C++ 2013 Update 4, can create app projects for Windows Phone 8.0,
Windows Phone 8.1, and Windows 8.1, but not Windows 8.0. An optional
Visual Studio add-in, "Tools for Maintaining Store apps for Windows 8",
allows Visual C++ 2013 to load and build Windows 8.0 projects that were
created with Visual C++ 2012, so long as Visual C++ 2012 is installed
on the same machine. More details on targeting different versions of
Windows can found at the following web pages:
- [Develop apps by using Visual Studio 2013](http://msdn.microsoft.com/en-us/library/windows/apps/br211384.aspx)
- [To add the Tools for Maintaining Store apps for Windows 8](http://msdn.microsoft.com/en-us/library/windows/apps/dn263114.aspx#AddMaintenanceTools)
* A valid Microsoft account - This requirement is not imposed by SDL, but
rather by Microsoft's Visual C++ toolchain. This is required to launch or
debug apps.
Status
------
Here is a rough list of what works, and what doesn't:
* What works:
* compilation via Visual C++ 2012 through 2015
* compile-time platform detection for SDL programs. The C/C++ #define,
`__WINRT__`, will be set to 1 (by SDL) when compiling for WinRT.
* GPU-accelerated 2D rendering, via SDL_Renderer.
* OpenGL ES 2, via the ANGLE library (included separately from SDL)
* software rendering, via either SDL_Surface (optionally in conjunction with
SDL_GetWindowSurface() and SDL_UpdateWindowSurface()) or via the
SDL_Renderer APIs
* threads
* timers (via SDL_GetTicks(), SDL_AddTimer(), SDL_GetPerformanceCounter(),
SDL_GetPerformanceFrequency(), etc.)
* file I/O via SDL_RWops
* mouse input (unsupported on Windows Phone)
* audio, via SDL's WASAPI backend (if you want to record, your app must
have "Microphone" capabilities enabled in its manifest, and the user must
not have blocked access. Otherwise, capture devices will fail to work,
presenting as a device disconnect shortly after opening it.)
* .DLL file loading. Libraries *MUST* be packaged inside applications. Loading
anything outside of the app is not supported.
* system path retrieval via SDL's filesystem APIs
* game controllers. Support is provided via the SDL_Joystick and
SDL_GameController APIs, and is backed by Microsoft's XInput API. Please
note, however, that Windows limits game-controller support in UWP apps to,
"Xbox compatible controllers" (many controllers that work in Win32 apps,
do not work in UWP, due to restrictions in UWP itself.)
* multi-touch input
* app events. SDL_APP_WILLENTER* and SDL_APP_DIDENTER* events get sent out as
appropriate.
* window events
* using Direct3D 11.x APIs outside of SDL. Non-XAML / Direct3D-only apps can
choose to render content directly via Direct3D, using SDL to manage the
internal WinRT window, as well as input and audio. (Use
SDL_GetWindowWMInfo() to get the WinRT 'CoreWindow', and pass it into
IDXGIFactory2::CreateSwapChainForCoreWindow() as appropriate.)
* What partially works:
* keyboard input. Most of WinRT's documented virtual keys are supported, as
well as many keys with documented hardware scancodes. Converting
SDL_Scancodes to or from SDL_Keycodes may not work, due to missing APIs
(MapVirtualKey()) in Microsoft's Windows Store / UWP APIs.
* SDLmain. WinRT uses a different signature for each app's main() function.
SDL-based apps that use this port must compile in SDL_winrt_main_NonXAML.cpp
(in `SDL\src\main\winrt\`) directly in order for their C-style main()
functions to be called.
* What doesn't work:
* compilation with anything other than Visual C++
* programmatically-created custom cursors. These don't appear to be supported
by WinRT. Different OS-provided cursors can, however, be created via
SDL_CreateSystemCursor() (unsupported on Windows Phone)
* SDL_WarpMouseInWindow() or SDL_WarpMouseGlobal(). This are not currently
supported by WinRT itself.
* joysticks and game controllers that either are not supported by
Microsoft's XInput API, or are not supported within UWP apps (many
controllers that work in Win32, do not work in UWP, due to restrictions in
UWP itself).
* turning off VSync when rendering on Windows Phone. Attempts to turn VSync
off on Windows Phone result either in Direct3D not drawing anything, or it
forcing VSync back on. As such, SDL_RENDERER_PRESENTVSYNC will always get
turned-on on Windows Phone. This limitation is not present in non-Phone
WinRT (such as Windows 8.x), where turning off VSync appears to work.
* probably anything else that's not listed as supported
Upgrade Notes
-------------
#### SDL_GetPrefPath() usage when upgrading WinRT apps from SDL 2.0.3
SDL 2.0.4 fixes two bugs found in the WinRT version of SDL_GetPrefPath().
The fixes may affect older, SDL 2.0.3-based apps' save data. Please note
that these changes only apply to SDL-based WinRT apps, and not to apps for
any other platform.
1. SDL_GetPrefPath() would return an invalid path, one in which the path's
directory had not been created. Attempts to create files there
(via fopen(), for example), would fail, unless that directory was
explicitly created beforehand.
2. SDL_GetPrefPath(), for non-WinPhone-based apps, would return a path inside
a WinRT 'Roaming' folder, the contents of which get automatically
synchronized across multiple devices. This process can occur while an
application runs, and can cause existing save-data to be overwritten
at unexpected times, with data from other devices. (Windows Phone apps
written with SDL 2.0.3 did not utilize a Roaming folder, due to API
restrictions in Windows Phone 8.0).
SDL_GetPrefPath(), starting with SDL 2.0.4, addresses these by:
1. making sure that SDL_GetPrefPath() returns a directory in which data
can be written to immediately, without first needing to create directories.
2. basing SDL_GetPrefPath() off of a different, non-Roaming folder, the
contents of which do not automatically get synchronized across devices
(and which require less work to use safely, in terms of data integrity).
Apps that wish to get their Roaming folder's path can do so either by using
SDL_WinRTGetFSPathUTF8(), SDL_WinRTGetFSPathUNICODE() (which returns a
UCS-2/wide-char string), or directly through the WinRT class,
Windows.Storage.ApplicationData.
Setup, High-Level Steps
-----------------------
The steps for setting up a project for an SDL/WinRT app looks like the
following, at a high-level:
1. create a new Visual C++ project using Microsoft's template for a,
"Direct3D App".
2. remove most of the files from the project.
3. make your app's project directly reference SDL/WinRT's own Visual C++
project file, via use of Visual C++'s "References" dialog. This will setup
the linker, and will copy SDL's .dll files to your app's final output.
4. adjust your app's build settings, at minimum, telling it where to find SDL's
header files.
5. add files that contains a WinRT-appropriate main function, along with some
data to make sure mouse-cursor-hiding (via SDL_ShowCursor(SDL_DISABLE) calls)
work properly.
6. add SDL-specific app code.
7. build and run your app.
Setup, Detailed Steps
---------------------
### 1. Create a new project ###
Create a new project using one of Visual C++'s templates for a plain, non-XAML,
"Direct3D App" (XAML support for SDL/WinRT is not yet ready for use). If you
don't see one of these templates, in Visual C++'s 'New Project' dialog, try
using the textbox titled, 'Search Installed Templates' to look for one.
### 2. Remove unneeded files from the project ###
In the new project, delete any file that has one of the following extensions:
- .cpp
- .h
- .hlsl
When you are done, you should be left with a few files, each of which will be a
necessary part of your app's project. These files will consist of:
- an .appxmanifest file, which contains metadata on your WinRT app. This is
similar to an Info.plist file on iOS, or an AndroidManifest.xml on Android.
- a few .png files, one of which is a splash screen (displayed when your app
launches), others are app icons.
- a .pfx file, used for code signing purposes.
### 3. Add references to SDL's project files ###
SDL/WinRT can be built in multiple variations, spanning across three different
CPU architectures (x86, x64, and ARM) and two different configurations
(Debug and Release). WinRT and Visual C++ do not currently provide a means
for combining multiple variations of one library into a single file.
Furthermore, it does not provide an easy means for copying pre-built .dll files
into your app's final output (via Post-Build steps, for example). It does,
however, provide a system whereby an app can reference the MSVC projects of
libraries such that, when the app is built:
1. each library gets built for the appropriate CPU architecture(s) and WinRT
platform(s).
2. each library's output, such as .dll files, get copied to the app's build
output.
To set this up for SDL/WinRT, you'll need to run through the following steps:
1. open up the Solution Explorer inside Visual C++ (under the "View" menu, then
"Solution Explorer")
2. right click on your app's solution.
3. navigate to "Add", then to "Existing Project..."
4. find SDL/WinRT's Visual C++ project file and open it. Different project
files exist for different WinRT platforms. All of them are in SDL's
source distribution, in the following directories:
* `VisualC-WinRT/UWP_VS2015/` - for Windows 10 / UWP apps
* `VisualC-WinRT/WinPhone81_VS2013/` - for Windows Phone 8.1 apps
* `VisualC-WinRT/WinRT80_VS2012/` - for Windows 8.0 apps
* `VisualC-WinRT/WinRT81_VS2013/` - for Windows 8.1 apps
5. once the project has been added, right-click on your app's project and
select, "References..."
6. click on the button titled, "Add New Reference..."
7. check the box next to SDL
8. click OK to close the dialog
9. SDL will now show up in the list of references. Click OK to close that
dialog.
Your project is now linked to SDL's project, insofar that when the app is
built, SDL will be built as well, with its build output getting included with
your app.
### 4. Adjust Your App's Build Settings ###
Some build settings need to be changed in your app's project. This guide will
outline the following:
- making sure that the compiler knows where to find SDL's header files
- **Optional for C++, but NECESSARY for compiling C code:** telling the
compiler not to use Microsoft's C++ extensions for WinRT development.
- **Optional:** telling the compiler not generate errors due to missing
precompiled header files.
To change these settings:
1. right-click on the project
2. choose "Properties"
3. in the drop-down box next to "Configuration", choose, "All Configurations"
4. in the drop-down box next to "Platform", choose, "All Platforms"
5. in the left-hand list, expand the "C/C++" section
6. select "General"
7. edit the "Additional Include Directories" setting, and add a path to SDL's
"include" directory
8. **Optional: to enable compilation of C code:** change the setting for
"Consume Windows Runtime Extension" from "Yes (/ZW)" to "No". If you're
working with a completely C++ based project, this step can usually be
omitted.
9. **Optional: to disable precompiled headers (which can produce
'stdafx.h'-related build errors, if setup incorrectly:** in the left-hand
list, select "Precompiled Headers", then change the setting for "Precompiled
Header" from "Use (/Yu)" to "Not Using Precompiled Headers".
10. close the dialog, saving settings, by clicking the "OK" button
### 5. Add a WinRT-appropriate main function, and a blank-cursor image, to the app. ###
A few files should be included directly in your app's MSVC project, specifically:
1. a WinRT-appropriate main function (which is different than main() functions on
other platforms)
2. a Win32-style cursor resource, used by SDL_ShowCursor() to hide the mouse cursor
(if and when the app needs to do so). *If this cursor resource is not
included, mouse-position reporting may fail if and when the cursor is
hidden, due to possible bugs/design-oddities in Windows itself.*
To include these files for C/C++ projects:
1. right-click on your project (again, in Visual C++'s Solution Explorer),
navigate to "Add", then choose "Existing Item...".
2. navigate to the directory containing SDL's source code, then into its
subdirectory, 'src/main/winrt/'. Select, then add, the following files:
- `SDL_winrt_main_NonXAML.cpp`
- `SDL2-WinRTResources.rc`
- `SDL2-WinRTResource_BlankCursor.cur`
3. right-click on the file `SDL_winrt_main_NonXAML.cpp` (as listed in your
project), then click on "Properties...".
4. in the drop-down box next to "Configuration", choose, "All Configurations"
5. in the drop-down box next to "Platform", choose, "All Platforms"
6. in the left-hand list, click on "C/C++"
7. change the setting for "Consume Windows Runtime Extension" to "Yes (/ZW)".
8. click the OK button. This will close the dialog.
**NOTE: C++/CX compilation is currently required in at least one file of your
app's project. This is to make sure that Visual C++'s linker builds a 'Windows
Metadata' file (.winmd) for your app. Not doing so can lead to build errors.**
For non-C++ projects, you will need to call SDL_WinRTRunApp from your language's
main function, and generate SDL2-WinRTResources.res manually by using `rc` via
the Developer Command Prompt and including it as a <Win32Resource> within the
first <PropertyGroup> block in your Visual Studio project file.
### 6. Add app code and assets ###
At this point, you can add in SDL-specific source code. Be sure to include a
C-style main function (ie: `int main(int argc, char *argv[])`). From there you
should be able to create a single `SDL_Window` (WinRT apps can only have one
window, at present), as well as an `SDL_Renderer`. Direct3D will be used to
draw content. Events are received via SDL's usual event functions
(`SDL_PollEvent`, etc.) If you have a set of existing source files and assets,
you can start adding them to the project now. If not, or if you would like to
make sure that you're setup correctly, some short and simple sample code is
provided below.
#### 6.A. ... when creating a new app ####
If you are creating a new app (rather than porting an existing SDL-based app),
or if you would just like a simple app to test SDL/WinRT with before trying to
get existing code working, some working SDL/WinRT code is provided below. To
set this up:
1. right click on your app's project
2. select Add, then New Item. An "Add New Item" dialog will show up.
3. from the left-hand list, choose "Visual C++"
4. from the middle/main list, choose "C++ File (.cpp)"
5. near the bottom of the dialog, next to "Name:", type in a name for your
source file, such as, "main.cpp".
6. click on the Add button. This will close the dialog, add the new file to
your project, and open the file in Visual C++'s text editor.
7. Copy and paste the following code into the new file, then save it.
```c
#include <SDL.h>
int main(int argc, char **argv)
{
SDL_DisplayMode mode;
SDL_Window * window = NULL;
SDL_Renderer * renderer = NULL;
SDL_Event evt;
SDL_bool keep_going = SDL_TRUE;
if (SDL_Init(SDL_INIT_VIDEO) != 0) {
return 1;
} else if (SDL_GetCurrentDisplayMode(0, &mode) != 0) {
return 1;
} else if (SDL_CreateWindowAndRenderer(mode.w, mode.h, SDL_WINDOW_FULLSCREEN, &window, &renderer) != 0) {
return 1;
}
while (keep_going) {
while (SDL_PollEvent(&evt)) {
if ((evt.type == SDL_KEYDOWN) && (evt.key.keysym.sym == SDLK_ESCAPE)) {
keep_going = SDL_FALSE;
}
}
SDL_SetRenderDrawColor(renderer, 0, 255, 0, 255);
SDL_RenderClear(renderer);
SDL_RenderPresent(renderer);
}
SDL_Quit();
return 0;
}
```
#### 6.B. Adding code and assets ####
If you have existing code and assets that you'd like to add, you should be able
to add them now. The process for adding a set of files is as such.
1. right click on the app's project
2. select Add, then click on "New Item..."
3. open any source, header, or asset files as appropriate. Support for C and
C++ is available.
Do note that WinRT only supports a subset of the APIs that are available to
Win32-based apps. Many portions of the Win32 API and the C runtime are not
available.
A list of unsupported C APIs can be found at
<http://msdn.microsoft.com/en-us/library/windows/apps/jj606124.aspx>
General information on using the C runtime in WinRT can be found at
<https://msdn.microsoft.com/en-us/library/hh972425.aspx>
A list of supported Win32 APIs for WinRT apps can be found at
<http://msdn.microsoft.com/en-us/library/windows/apps/br205757.aspx>. To note,
the list of supported Win32 APIs for Windows Phone 8.0 is different.
That list can be found at
<http://msdn.microsoft.com/en-us/library/windowsphone/develop/jj662956(v=vs.105).aspx>
### 7. Build and run your app ###
Your app project should now be setup, and you should be ready to build your app.
To run it on the local machine, open the Debug menu and choose "Start
Debugging". This will build your app, then run your app full-screen. To switch
out of your app, press the Windows key. Alternatively, you can choose to run
your app in a window. To do this, before building and running your app, find
the drop-down menu in Visual C++'s toolbar that says, "Local Machine". Expand
this by clicking on the arrow on the right side of the list, then click on
Simulator. Once you do that, any time you build and run the app, the app will
launch in window, rather than full-screen.
#### 7.A. Running apps on older, ARM-based, "Windows RT" devices ####
**These instructions do not include Windows Phone, despite Windows Phone
typically running on ARM processors.** They are specifically for devices
that use the "Windows RT" operating system, which was a modified version of
Windows 8.x that ran primarily on ARM-based tablet computers.
To build and run the app on ARM-based, "Windows RT" devices, you'll need to:
- install Microsoft's "Remote Debugger" on the device. Visual C++ installs and
debugs ARM-based apps via IP networks.
- change a few options on the development machine, both to make sure it builds
for ARM (rather than x86 or x64), and to make sure it knows how to find the
Windows RT device (on the network).
Microsoft's Remote Debugger can be found at
<https://msdn.microsoft.com/en-us/library/hh441469.aspx>. Please note
that separate versions of this debugger exist for different versions of Visual
C++, one each for MSVC 2015, 2013, and 2012.
To setup Visual C++ to launch your app on an ARM device:
1. make sure the Remote Debugger is running on your ARM device, and that it's on
the same IP network as your development machine.
2. from Visual C++'s toolbar, find a drop-down menu that says, "Win32". Click
it, then change the value to "ARM".
3. make sure Visual C++ knows the hostname or IP address of the ARM device. To
do this:
1. open the app project's properties
2. select "Debugging"
3. next to "Machine Name", enter the hostname or IP address of the ARM
device
4. if, and only if, you've turned off authentication in the Remote Debugger,
then change the setting for "Require Authentication" to No
5. click "OK"
4. build and run the app (from Visual C++). The first time you do this, a
prompt will show up on the ARM device, asking for a Microsoft Account. You
do, unfortunately, need to log in here, and will need to follow the
subsequent registration steps in order to launch the app. After you do so,
if the app didn't already launch, try relaunching it again from within Visual
C++.
Troubleshooting
---------------
#### Build fails with message, "error LNK2038: mismatch detected for 'vccorlib_lib_should_be_specified_before_msvcrt_lib_to_linker'"
Try adding the following to your linker flags. In MSVC, this can be done by
right-clicking on the app project, navigating to Configuration Properties ->
Linker -> Command Line, then adding them to the Additional Options
section.
* For Release builds / MSVC-Configurations, add:
/nodefaultlib:vccorlib /nodefaultlib:msvcrt vccorlib.lib msvcrt.lib
* For Debug builds / MSVC-Configurations, add:
/nodefaultlib:vccorlibd /nodefaultlib:msvcrtd vccorlibd.lib msvcrtd.lib
#### Mouse-motion events fail to get sent, or SDL_GetMouseState() fails to return updated values
This may be caused by a bug in Windows itself, whereby hiding the mouse
cursor can cause mouse-position reporting to fail.
SDL provides a workaround for this, but it requires that an app links to a
set of Win32-style cursor image-resource files. A copy of suitable resource
files can be found in `src/main/winrt/`. Adding them to an app's Visual C++
project file should be sufficient to get the app to use them.
#### SDL's Visual Studio project file fails to open, with message, "The system can't find the file specified."
This can be caused for any one of a few reasons, which Visual Studio can
report, but won't always do so in an up-front manner.
To help determine why this error comes up:
1. open a copy of Visual Studio without opening a project file. This can be
accomplished via Windows' Start Menu, among other means.
2. show Visual Studio's Output window. This can be done by going to VS'
menu bar, then to View, and then to Output.
3. try opening the SDL project file directly by going to VS' menu bar, then
to File, then to Open, then to Project/Solution. When a File-Open dialog
appears, open the SDL project (such as the one in SDL's source code, in its
directory, VisualC-WinRT/UWP_VS2015/).
4. after attempting to open SDL's Visual Studio project file, additional error
information will be output to the Output window.
If Visual Studio reports (via its Output window) that the project:
"could not be loaded because it's missing install components. To fix this launch Visual Studio setup with the following selections:
Microsoft.VisualStudio.ComponentGroup.UWP.VC"
... then you will need to re-launch Visual Studio's installer, and make sure that
the workflow for "Universal Windows Platform development" is checked, and that its
optional component, "C++ Universal Windows Platform tools" is also checked. While
you are there, if you are planning on targeting UWP / Windows 10, also make sure
that you check the optional component, "Windows 10 SDK (10.0.10240.0)". After
making sure these items are checked as-appropriate, install them.
Once you install these components, try re-launching Visual Studio, and re-opening
the SDL project file. If you still get the error dialog, try using the Output
window, again, seeing what Visual Studio says about it.
#### Game controllers / joysticks aren't working!
Windows only permits certain game controllers and joysticks to work within
WinRT / UWP apps. Even if a game controller or joystick works in a Win32
app, that device is not guaranteed to work inside a WinRT / UWP app.
According to Microsoft, "Xbox compatible controllers" should work inside
UWP apps, potentially with more working in the future. This includes, but
may not be limited to, Microsoft-made Xbox controllers and USB adapters.
(Source: https://social.msdn.microsoft.com/Forums/en-US/9064838b-e8c3-4c18-8a83-19bf0dfe150d/xinput-fails-to-detect-game-controllers?forum=wpdevelop)

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Simple DirectMedia Layer {#mainpage}
========================
(SDL)
Version 2.0
---
http://www.libsdl.org/
Simple DirectMedia Layer is a cross-platform development library designed
to provide low level access to audio, keyboard, mouse, joystick, and graphics
hardware via OpenGL and Direct3D. It is used by video playback software,
emulators, and popular games including Valve's award winning catalog
and many Humble Bundle games.
SDL officially supports Windows, macOS, Linux, iOS, and Android.
Support for other platforms may be found in the source code.
SDL is written in C, works natively with C++, and there are bindings
available for several other languages, including C# and Python.
This library is distributed under the zlib license, which can be found
in the file "LICENSE.txt".
The best way to learn how to use SDL is to check out the header files in
the "include" subdirectory and the programs in the "test" subdirectory.
The header files and test programs are well commented and always up to date.
More documentation and FAQs are available online at [the wiki](http://wiki.libsdl.org/)
- [Android](README-android.md)
- [CMake](README-cmake.md)
- [DirectFB](README-directfb.md)
- [DynAPI](README-dynapi.md)
- [Emscripten](README-emscripten.md)
- [Gesture](README-gesture.md)
- [Git](README-git.md)
- [iOS](README-ios.md)
- [Linux](README-linux.md)
- [macOS](README-macos.md)
- [OS/2](README-os2.md)
- [Native Client](README-nacl.md)
- [Pandora](README-pandora.md)
- [Supported Platforms](README-platforms.md)
- [Porting information](README-porting.md)
- [PSP](README-psp.md)
- [Raspberry Pi](README-raspberrypi.md)
- [Touch](README-touch.md)
- [WinCE](README-wince.md)
- [Windows](README-windows.md)
- [WinRT](README-winrt.md)
- [PSVita](README-vita.md)
If you need help with the library, or just want to discuss SDL related
issues, you can join the [SDL Discourse](https://discourse.libsdl.org/),
which can be used as a web forum or a mailing list, at your preference.
If you want to report bugs or contribute patches, please submit them to
[our bug tracker](https://github.com/libsdl-org/SDL/issues)
Enjoy!
Sam Lantinga <mailto:slouken@libsdl.org>

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL.h
*
* Main include header for the SDL library
*/
#ifndef SDL_h_
#define SDL_h_
#include "SDL_main.h"
#include "SDL_stdinc.h"
#include "SDL_assert.h"
#include "SDL_atomic.h"
#include "SDL_audio.h"
#include "SDL_clipboard.h"
#include "SDL_cpuinfo.h"
#include "SDL_endian.h"
#include "SDL_error.h"
#include "SDL_events.h"
#include "SDL_filesystem.h"
#include "SDL_gamecontroller.h"
#include "SDL_haptic.h"
#include "SDL_hidapi.h"
#include "SDL_hints.h"
#include "SDL_joystick.h"
#include "SDL_loadso.h"
#include "SDL_log.h"
#include "SDL_messagebox.h"
#include "SDL_metal.h"
#include "SDL_mutex.h"
#include "SDL_power.h"
#include "SDL_render.h"
#include "SDL_rwops.h"
#include "SDL_sensor.h"
#include "SDL_shape.h"
#include "SDL_system.h"
#include "SDL_thread.h"
#include "SDL_timer.h"
#include "SDL_version.h"
#include "SDL_video.h"
#include "SDL_locale.h"
#include "SDL_misc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/* As of version 0.5, SDL is loaded dynamically into the application */
/**
* \name SDL_INIT_*
*
* These are the flags which may be passed to SDL_Init(). You should
* specify the subsystems which you will be using in your application.
*/
/* @{ */
#define SDL_INIT_TIMER 0x00000001u
#define SDL_INIT_AUDIO 0x00000010u
#define SDL_INIT_VIDEO 0x00000020u /**< SDL_INIT_VIDEO implies SDL_INIT_EVENTS */
#define SDL_INIT_JOYSTICK 0x00000200u /**< SDL_INIT_JOYSTICK implies SDL_INIT_EVENTS */
#define SDL_INIT_HAPTIC 0x00001000u
#define SDL_INIT_GAMECONTROLLER 0x00002000u /**< SDL_INIT_GAMECONTROLLER implies SDL_INIT_JOYSTICK */
#define SDL_INIT_EVENTS 0x00004000u
#define SDL_INIT_SENSOR 0x00008000u
#define SDL_INIT_NOPARACHUTE 0x00100000u /**< compatibility; this flag is ignored. */
#define SDL_INIT_EVERYTHING ( \
SDL_INIT_TIMER | SDL_INIT_AUDIO | SDL_INIT_VIDEO | SDL_INIT_EVENTS | \
SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER | SDL_INIT_SENSOR \
)
/* @} */
/**
* Initialize the SDL library.
*
* SDL_Init() simply forwards to calling SDL_InitSubSystem(). Therefore, the
* two may be used interchangeably. Though for readability of your code
* SDL_InitSubSystem() might be preferred.
*
* The file I/O (for example: SDL_RWFromFile) and threading (SDL_CreateThread)
* subsystems are initialized by default. Message boxes
* (SDL_ShowSimpleMessageBox) also attempt to work without initializing the
* video subsystem, in hopes of being useful in showing an error dialog when
* SDL_Init fails. You must specifically initialize other subsystems if you
* use them in your application.
*
* Logging (such as SDL_Log) works without initialization, too.
*
* `flags` may be any of the following OR'd together:
*
* - `SDL_INIT_TIMER`: timer subsystem
* - `SDL_INIT_AUDIO`: audio subsystem
* - `SDL_INIT_VIDEO`: video subsystem; automatically initializes the events
* subsystem
* - `SDL_INIT_JOYSTICK`: joystick subsystem; automatically initializes the
* events subsystem
* - `SDL_INIT_HAPTIC`: haptic (force feedback) subsystem
* - `SDL_INIT_GAMECONTROLLER`: controller subsystem; automatically
* initializes the joystick subsystem
* - `SDL_INIT_EVENTS`: events subsystem
* - `SDL_INIT_EVERYTHING`: all of the above subsystems
* - `SDL_INIT_NOPARACHUTE`: compatibility; this flag is ignored
*
* Subsystem initialization is ref-counted, you must call SDL_QuitSubSystem()
* for each SDL_InitSubSystem() to correctly shutdown a subsystem manually (or
* call SDL_Quit() to force shutdown). If a subsystem is already loaded then
* this call will increase the ref-count and return.
*
* \param flags subsystem initialization flags
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_InitSubSystem
* \sa SDL_Quit
* \sa SDL_SetMainReady
* \sa SDL_WasInit
*/
extern DECLSPEC int SDLCALL SDL_Init(Uint32 flags);
/**
* Compatibility function to initialize the SDL library.
*
* In SDL2, this function and SDL_Init() are interchangeable.
*
* \param flags any of the flags used by SDL_Init(); see SDL_Init for details.
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Init
* \sa SDL_Quit
* \sa SDL_QuitSubSystem
*/
extern DECLSPEC int SDLCALL SDL_InitSubSystem(Uint32 flags);
/**
* Shut down specific SDL subsystems.
*
* If you start a subsystem using a call to that subsystem's init function
* (for example SDL_VideoInit()) instead of SDL_Init() or SDL_InitSubSystem(),
* SDL_QuitSubSystem() and SDL_WasInit() will not work. You will need to use
* that subsystem's quit function (SDL_VideoQuit()) directly instead. But
* generally, you should not be using those functions directly anyhow; use
* SDL_Init() instead.
*
* You still need to call SDL_Quit() even if you close all open subsystems
* with SDL_QuitSubSystem().
*
* \param flags any of the flags used by SDL_Init(); see SDL_Init for details.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_InitSubSystem
* \sa SDL_Quit
*/
extern DECLSPEC void SDLCALL SDL_QuitSubSystem(Uint32 flags);
/**
* Get a mask of the specified subsystems which are currently initialized.
*
* \param flags any of the flags used by SDL_Init(); see SDL_Init for details.
* \returns a mask of all initialized subsystems if `flags` is 0, otherwise it
* returns the initialization status of the specified subsystems.
*
* The return value does not include SDL_INIT_NOPARACHUTE.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Init
* \sa SDL_InitSubSystem
*/
extern DECLSPEC Uint32 SDLCALL SDL_WasInit(Uint32 flags);
/**
* Clean up all initialized subsystems.
*
* You should call this function even if you have already shutdown each
* initialized subsystem with SDL_QuitSubSystem(). It is safe to call this
* function even in the case of errors in initialization.
*
* If you start a subsystem using a call to that subsystem's init function
* (for example SDL_VideoInit()) instead of SDL_Init() or SDL_InitSubSystem(),
* then you must use that subsystem's quit function (SDL_VideoQuit()) to shut
* it down before calling SDL_Quit(). But generally, you should not be using
* those functions directly anyhow; use SDL_Init() instead.
*
* You can use this function with atexit() to ensure that it is run when your
* application is shutdown, but it is not wise to do this from a library or
* other dynamically loaded code.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Init
* \sa SDL_QuitSubSystem
*/
extern DECLSPEC void SDLCALL SDL_Quit(void);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_assert_h_
#define SDL_assert_h_
#include "SDL_config.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
#ifndef SDL_ASSERT_LEVEL
#ifdef SDL_DEFAULT_ASSERT_LEVEL
#define SDL_ASSERT_LEVEL SDL_DEFAULT_ASSERT_LEVEL
#elif defined(_DEBUG) || defined(DEBUG) || \
(defined(__GNUC__) && !defined(__OPTIMIZE__))
#define SDL_ASSERT_LEVEL 2
#else
#define SDL_ASSERT_LEVEL 1
#endif
#endif /* SDL_ASSERT_LEVEL */
/*
These are macros and not first class functions so that the debugger breaks
on the assertion line and not in some random guts of SDL, and so each
assert can have unique static variables associated with it.
*/
#if defined(_MSC_VER)
/* Don't include intrin.h here because it contains C++ code */
extern void __cdecl __debugbreak(void);
#define SDL_TriggerBreakpoint() __debugbreak()
#elif ( (!defined(__NACL__)) && ((defined(__GNUC__) || defined(__clang__)) && (defined(__i386__) || defined(__x86_64__))) )
#define SDL_TriggerBreakpoint() __asm__ __volatile__ ( "int $3\n\t" )
#elif ( defined(__APPLE__) && (defined(__arm64__) || defined(__aarch64__)) ) /* this might work on other ARM targets, but this is a known quantity... */
#define SDL_TriggerBreakpoint() __asm__ __volatile__ ( "brk #22\n\t" )
#elif defined(__APPLE__) && defined(__arm__)
#define SDL_TriggerBreakpoint() __asm__ __volatile__ ( "bkpt #22\n\t" )
#elif defined(__386__) && defined(__WATCOMC__)
#define SDL_TriggerBreakpoint() { _asm { int 0x03 } }
#elif defined(HAVE_SIGNAL_H) && !defined(__WATCOMC__)
#include <signal.h>
#define SDL_TriggerBreakpoint() raise(SIGTRAP)
#else
/* How do we trigger breakpoints on this platform? */
#define SDL_TriggerBreakpoint()
#endif
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) /* C99 supports __func__ as a standard. */
# define SDL_FUNCTION __func__
#elif ((__GNUC__ >= 2) || defined(_MSC_VER) || defined (__WATCOMC__))
# define SDL_FUNCTION __FUNCTION__
#else
# define SDL_FUNCTION "???"
#endif
#define SDL_FILE __FILE__
#define SDL_LINE __LINE__
/*
sizeof (x) makes the compiler still parse the expression even without
assertions enabled, so the code is always checked at compile time, but
doesn't actually generate code for it, so there are no side effects or
expensive checks at run time, just the constant size of what x WOULD be,
which presumably gets optimized out as unused.
This also solves the problem of...
int somevalue = blah();
SDL_assert(somevalue == 1);
...which would cause compiles to complain that somevalue is unused if we
disable assertions.
*/
/* "while (0,0)" fools Microsoft's compiler's /W4 warning level into thinking
this condition isn't constant. And looks like an owl's face! */
#ifdef _MSC_VER /* stupid /W4 warnings. */
#define SDL_NULL_WHILE_LOOP_CONDITION (0,0)
#else
#define SDL_NULL_WHILE_LOOP_CONDITION (0)
#endif
#define SDL_disabled_assert(condition) \
do { (void) sizeof ((condition)); } while (SDL_NULL_WHILE_LOOP_CONDITION)
typedef enum
{
SDL_ASSERTION_RETRY, /**< Retry the assert immediately. */
SDL_ASSERTION_BREAK, /**< Make the debugger trigger a breakpoint. */
SDL_ASSERTION_ABORT, /**< Terminate the program. */
SDL_ASSERTION_IGNORE, /**< Ignore the assert. */
SDL_ASSERTION_ALWAYS_IGNORE /**< Ignore the assert from now on. */
} SDL_AssertState;
typedef struct SDL_AssertData
{
int always_ignore;
unsigned int trigger_count;
const char *condition;
const char *filename;
int linenum;
const char *function;
const struct SDL_AssertData *next;
} SDL_AssertData;
#if (SDL_ASSERT_LEVEL > 0)
/* Never call this directly. Use the SDL_assert* macros. */
extern DECLSPEC SDL_AssertState SDLCALL SDL_ReportAssertion(SDL_AssertData *,
const char *,
const char *, int)
#if defined(__clang__)
#if __has_feature(attribute_analyzer_noreturn)
/* this tells Clang's static analysis that we're a custom assert function,
and that the analyzer should assume the condition was always true past this
SDL_assert test. */
__attribute__((analyzer_noreturn))
#endif
#endif
;
/* the do {} while(0) avoids dangling else problems:
if (x) SDL_assert(y); else blah();
... without the do/while, the "else" could attach to this macro's "if".
We try to handle just the minimum we need here in a macro...the loop,
the static vars, and break points. The heavy lifting is handled in
SDL_ReportAssertion(), in SDL_assert.c.
*/
#define SDL_enabled_assert(condition) \
do { \
while ( !(condition) ) { \
static struct SDL_AssertData sdl_assert_data = { \
0, 0, #condition, 0, 0, 0, 0 \
}; \
const SDL_AssertState sdl_assert_state = SDL_ReportAssertion(&sdl_assert_data, SDL_FUNCTION, SDL_FILE, SDL_LINE); \
if (sdl_assert_state == SDL_ASSERTION_RETRY) { \
continue; /* go again. */ \
} else if (sdl_assert_state == SDL_ASSERTION_BREAK) { \
SDL_TriggerBreakpoint(); \
} \
break; /* not retrying. */ \
} \
} while (SDL_NULL_WHILE_LOOP_CONDITION)
#endif /* enabled assertions support code */
/* Enable various levels of assertions. */
#if SDL_ASSERT_LEVEL == 0 /* assertions disabled */
# define SDL_assert(condition) SDL_disabled_assert(condition)
# define SDL_assert_release(condition) SDL_disabled_assert(condition)
# define SDL_assert_paranoid(condition) SDL_disabled_assert(condition)
#elif SDL_ASSERT_LEVEL == 1 /* release settings. */
# define SDL_assert(condition) SDL_disabled_assert(condition)
# define SDL_assert_release(condition) SDL_enabled_assert(condition)
# define SDL_assert_paranoid(condition) SDL_disabled_assert(condition)
#elif SDL_ASSERT_LEVEL == 2 /* normal settings. */
# define SDL_assert(condition) SDL_enabled_assert(condition)
# define SDL_assert_release(condition) SDL_enabled_assert(condition)
# define SDL_assert_paranoid(condition) SDL_disabled_assert(condition)
#elif SDL_ASSERT_LEVEL == 3 /* paranoid settings. */
# define SDL_assert(condition) SDL_enabled_assert(condition)
# define SDL_assert_release(condition) SDL_enabled_assert(condition)
# define SDL_assert_paranoid(condition) SDL_enabled_assert(condition)
#else
# error Unknown assertion level.
#endif
/* this assertion is never disabled at any level. */
#define SDL_assert_always(condition) SDL_enabled_assert(condition)
/**
* A callback that fires when an SDL assertion fails.
*
* \param data a pointer to the SDL_AssertData structure corresponding to the
* current assertion
* \param userdata what was passed as `userdata` to SDL_SetAssertionHandler()
* \returns an SDL_AssertState value indicating how to handle the failure.
*/
typedef SDL_AssertState (SDLCALL *SDL_AssertionHandler)(
const SDL_AssertData* data, void* userdata);
/**
* Set an application-defined assertion handler.
*
* This function allows an application to show its own assertion UI and/or
* force the response to an assertion failure. If the application doesn't
* provide this, SDL will try to do the right thing, popping up a
* system-specific GUI dialog, and probably minimizing any fullscreen windows.
*
* This callback may fire from any thread, but it runs wrapped in a mutex, so
* it will only fire from one thread at a time.
*
* This callback is NOT reset to SDL's internal handler upon SDL_Quit()!
*
* \param handler the SDL_AssertionHandler function to call when an assertion
* fails or NULL for the default handler
* \param userdata a pointer that is passed to `handler`
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetAssertionHandler
*/
extern DECLSPEC void SDLCALL SDL_SetAssertionHandler(
SDL_AssertionHandler handler,
void *userdata);
/**
* Get the default assertion handler.
*
* This returns the function pointer that is called by default when an
* assertion is triggered. This is an internal function provided by SDL, that
* is used for assertions when SDL_SetAssertionHandler() hasn't been used to
* provide a different function.
*
* \returns the default SDL_AssertionHandler that is called when an assert
* triggers.
*
* \since This function is available since SDL 2.0.2.
*
* \sa SDL_GetAssertionHandler
*/
extern DECLSPEC SDL_AssertionHandler SDLCALL SDL_GetDefaultAssertionHandler(void);
/**
* Get the current assertion handler.
*
* This returns the function pointer that is called when an assertion is
* triggered. This is either the value last passed to
* SDL_SetAssertionHandler(), or if no application-specified function is set,
* is equivalent to calling SDL_GetDefaultAssertionHandler().
*
* The parameter `puserdata` is a pointer to a void*, which will store the
* "userdata" pointer that was passed to SDL_SetAssertionHandler(). This value
* will always be NULL for the default handler. If you don't care about this
* data, it is safe to pass a NULL pointer to this function to ignore it.
*
* \param puserdata pointer which is filled with the "userdata" pointer that
* was passed to SDL_SetAssertionHandler()
* \returns the SDL_AssertionHandler that is called when an assert triggers.
*
* \since This function is available since SDL 2.0.2.
*
* \sa SDL_SetAssertionHandler
*/
extern DECLSPEC SDL_AssertionHandler SDLCALL SDL_GetAssertionHandler(void **puserdata);
/**
* Get a list of all assertion failures.
*
* This function gets all assertions triggered since the last call to
* SDL_ResetAssertionReport(), or the start of the program.
*
* The proper way to examine this data looks something like this:
*
* ```c
* const SDL_AssertData *item = SDL_GetAssertionReport();
* while (item) {
* printf("'%s', %s (%s:%d), triggered %u times, always ignore: %s.\\n",
* item->condition, item->function, item->filename,
* item->linenum, item->trigger_count,
* item->always_ignore ? "yes" : "no");
* item = item->next;
* }
* ```
*
* \returns a list of all failed assertions or NULL if the list is empty. This
* memory should not be modified or freed by the application.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_ResetAssertionReport
*/
extern DECLSPEC const SDL_AssertData * SDLCALL SDL_GetAssertionReport(void);
/**
* Clear the list of all assertion failures.
*
* This function will clear the list of all assertions triggered up to that
* point. Immediately following this call, SDL_GetAssertionReport will return
* no items. In addition, any previously-triggered assertions will be reset to
* a trigger_count of zero, and their always_ignore state will be false.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetAssertionReport
*/
extern DECLSPEC void SDLCALL SDL_ResetAssertionReport(void);
/* these had wrong naming conventions until 2.0.4. Please update your app! */
#define SDL_assert_state SDL_AssertState
#define SDL_assert_data SDL_AssertData
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_assert_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_atomic.h
*
* Atomic operations.
*
* IMPORTANT:
* If you are not an expert in concurrent lockless programming, you should
* only be using the atomic lock and reference counting functions in this
* file. In all other cases you should be protecting your data structures
* with full mutexes.
*
* The list of "safe" functions to use are:
* SDL_AtomicLock()
* SDL_AtomicUnlock()
* SDL_AtomicIncRef()
* SDL_AtomicDecRef()
*
* Seriously, here be dragons!
* ^^^^^^^^^^^^^^^^^^^^^^^^^^^
*
* You can find out a little more about lockless programming and the
* subtle issues that can arise here:
* http://msdn.microsoft.com/en-us/library/ee418650%28v=vs.85%29.aspx
*
* There's also lots of good information here:
* http://www.1024cores.net/home/lock-free-algorithms
* http://preshing.com/
*
* These operations may or may not actually be implemented using
* processor specific atomic operations. When possible they are
* implemented as true processor specific atomic operations. When that
* is not possible the are implemented using locks that *do* use the
* available atomic operations.
*
* All of the atomic operations that modify memory are full memory barriers.
*/
#ifndef SDL_atomic_h_
#define SDL_atomic_h_
#include "SDL_stdinc.h"
#include "SDL_platform.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \name SDL AtomicLock
*
* The atomic locks are efficient spinlocks using CPU instructions,
* but are vulnerable to starvation and can spin forever if a thread
* holding a lock has been terminated. For this reason you should
* minimize the code executed inside an atomic lock and never do
* expensive things like API or system calls while holding them.
*
* The atomic locks are not safe to lock recursively.
*
* Porting Note:
* The spin lock functions and type are required and can not be
* emulated because they are used in the atomic emulation code.
*/
/* @{ */
typedef int SDL_SpinLock;
/**
* Try to lock a spin lock by setting it to a non-zero value.
*
* ***Please note that spinlocks are dangerous if you don't know what you're
* doing. Please be careful using any sort of spinlock!***
*
* \param lock a pointer to a lock variable
* \returns SDL_TRUE if the lock succeeded, SDL_FALSE if the lock is already
* held.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_AtomicLock
* \sa SDL_AtomicUnlock
*/
extern DECLSPEC SDL_bool SDLCALL SDL_AtomicTryLock(SDL_SpinLock *lock);
/**
* Lock a spin lock by setting it to a non-zero value.
*
* ***Please note that spinlocks are dangerous if you don't know what you're
* doing. Please be careful using any sort of spinlock!***
*
* \param lock a pointer to a lock variable
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_AtomicTryLock
* \sa SDL_AtomicUnlock
*/
extern DECLSPEC void SDLCALL SDL_AtomicLock(SDL_SpinLock *lock);
/**
* Unlock a spin lock by setting it to 0.
*
* Always returns immediately.
*
* ***Please note that spinlocks are dangerous if you don't know what you're
* doing. Please be careful using any sort of spinlock!***
*
* \param lock a pointer to a lock variable
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_AtomicLock
* \sa SDL_AtomicTryLock
*/
extern DECLSPEC void SDLCALL SDL_AtomicUnlock(SDL_SpinLock *lock);
/* @} *//* SDL AtomicLock */
/**
* The compiler barrier prevents the compiler from reordering
* reads and writes to globally visible variables across the call.
*/
#if defined(_MSC_VER) && (_MSC_VER > 1200) && !defined(__clang__)
void _ReadWriteBarrier(void);
#pragma intrinsic(_ReadWriteBarrier)
#define SDL_CompilerBarrier() _ReadWriteBarrier()
#elif (defined(__GNUC__) && !defined(__EMSCRIPTEN__)) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x5120))
/* This is correct for all CPUs when using GCC or Solaris Studio 12.1+. */
#define SDL_CompilerBarrier() __asm__ __volatile__ ("" : : : "memory")
#elif defined(__WATCOMC__)
extern __inline void SDL_CompilerBarrier(void);
#pragma aux SDL_CompilerBarrier = "" parm [] modify exact [];
#else
#define SDL_CompilerBarrier() \
{ SDL_SpinLock _tmp = 0; SDL_AtomicLock(&_tmp); SDL_AtomicUnlock(&_tmp); }
#endif
/**
* Memory barriers are designed to prevent reads and writes from being
* reordered by the compiler and being seen out of order on multi-core CPUs.
*
* A typical pattern would be for thread A to write some data and a flag, and
* for thread B to read the flag and get the data. In this case you would
* insert a release barrier between writing the data and the flag,
* guaranteeing that the data write completes no later than the flag is
* written, and you would insert an acquire barrier between reading the flag
* and reading the data, to ensure that all the reads associated with the flag
* have completed.
*
* In this pattern you should always see a release barrier paired with an
* acquire barrier and you should gate the data reads/writes with a single
* flag variable.
*
* For more information on these semantics, take a look at the blog post:
* http://preshing.com/20120913/acquire-and-release-semantics
*
* \since This function is available since SDL 2.0.6.
*/
extern DECLSPEC void SDLCALL SDL_MemoryBarrierReleaseFunction(void);
extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquireFunction(void);
#if defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("lwsync" : : : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("lwsync" : : : "memory")
#elif defined(__GNUC__) && defined(__aarch64__)
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("dmb ish" : : : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("dmb ish" : : : "memory")
#elif defined(__GNUC__) && defined(__arm__)
#if 0 /* defined(__LINUX__) || defined(__ANDROID__) */
/* Information from:
https://chromium.googlesource.com/chromium/chromium/+/trunk/base/atomicops_internals_arm_gcc.h#19
The Linux kernel provides a helper function which provides the right code for a memory barrier,
hard-coded at address 0xffff0fa0
*/
typedef void (*SDL_KernelMemoryBarrierFunc)();
#define SDL_MemoryBarrierRelease() ((SDL_KernelMemoryBarrierFunc)0xffff0fa0)()
#define SDL_MemoryBarrierAcquire() ((SDL_KernelMemoryBarrierFunc)0xffff0fa0)()
#elif 0 /* defined(__QNXNTO__) */
#include <sys/cpuinline.h>
#define SDL_MemoryBarrierRelease() __cpu_membarrier()
#define SDL_MemoryBarrierAcquire() __cpu_membarrier()
#else
#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__) || defined(__ARM_ARCH_8A__)
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("dmb ish" : : : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("dmb ish" : : : "memory")
#elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_5TE__)
#ifdef __thumb__
/* The mcr instruction isn't available in thumb mode, use real functions */
#define SDL_MEMORY_BARRIER_USES_FUNCTION
#define SDL_MemoryBarrierRelease() SDL_MemoryBarrierReleaseFunction()
#define SDL_MemoryBarrierAcquire() SDL_MemoryBarrierAcquireFunction()
#else
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r"(0) : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" : : "r"(0) : "memory")
#endif /* __thumb__ */
#else
#define SDL_MemoryBarrierRelease() __asm__ __volatile__ ("" : : : "memory")
#define SDL_MemoryBarrierAcquire() __asm__ __volatile__ ("" : : : "memory")
#endif /* __LINUX__ || __ANDROID__ */
#endif /* __GNUC__ && __arm__ */
#else
#if (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x5120))
/* This is correct for all CPUs on Solaris when using Solaris Studio 12.1+. */
#include <mbarrier.h>
#define SDL_MemoryBarrierRelease() __machine_rel_barrier()
#define SDL_MemoryBarrierAcquire() __machine_acq_barrier()
#else
/* This is correct for the x86 and x64 CPUs, and we'll expand this over time. */
#define SDL_MemoryBarrierRelease() SDL_CompilerBarrier()
#define SDL_MemoryBarrierAcquire() SDL_CompilerBarrier()
#endif
#endif
/**
* \brief A type representing an atomic integer value. It is a struct
* so people don't accidentally use numeric operations on it.
*/
typedef struct { int value; } SDL_atomic_t;
/**
* Set an atomic variable to a new value if it is currently an old value.
*
* ***Note: If you don't know what this function is for, you shouldn't use
* it!***
*
* \param a a pointer to an SDL_atomic_t variable to be modified
* \param oldval the old value
* \param newval the new value
* \returns SDL_TRUE if the atomic variable was set, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_AtomicCASPtr
* \sa SDL_AtomicGet
* \sa SDL_AtomicSet
*/
extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCAS(SDL_atomic_t *a, int oldval, int newval);
/**
* Set an atomic variable to a value.
*
* This function also acts as a full memory barrier.
*
* ***Note: If you don't know what this function is for, you shouldn't use
* it!***
*
* \param a a pointer to an SDL_atomic_t variable to be modified
* \param v the desired value
* \returns the previous value of the atomic variable.
*
* \since This function is available since SDL 2.0.2.
*
* \sa SDL_AtomicGet
*/
extern DECLSPEC int SDLCALL SDL_AtomicSet(SDL_atomic_t *a, int v);
/**
* Get the value of an atomic variable.
*
* ***Note: If you don't know what this function is for, you shouldn't use
* it!***
*
* \param a a pointer to an SDL_atomic_t variable
* \returns the current value of an atomic variable.
*
* \since This function is available since SDL 2.0.2.
*
* \sa SDL_AtomicSet
*/
extern DECLSPEC int SDLCALL SDL_AtomicGet(SDL_atomic_t *a);
/**
* Add to an atomic variable.
*
* This function also acts as a full memory barrier.
*
* ***Note: If you don't know what this function is for, you shouldn't use
* it!***
*
* \param a a pointer to an SDL_atomic_t variable to be modified
* \param v the desired value to add
* \returns the previous value of the atomic variable.
*
* \since This function is available since SDL 2.0.2.
*
* \sa SDL_AtomicDecRef
* \sa SDL_AtomicIncRef
*/
extern DECLSPEC int SDLCALL SDL_AtomicAdd(SDL_atomic_t *a, int v);
/**
* \brief Increment an atomic variable used as a reference count.
*/
#ifndef SDL_AtomicIncRef
#define SDL_AtomicIncRef(a) SDL_AtomicAdd(a, 1)
#endif
/**
* \brief Decrement an atomic variable used as a reference count.
*
* \return SDL_TRUE if the variable reached zero after decrementing,
* SDL_FALSE otherwise
*/
#ifndef SDL_AtomicDecRef
#define SDL_AtomicDecRef(a) (SDL_AtomicAdd(a, -1) == 1)
#endif
/**
* Set a pointer to a new value if it is currently an old value.
*
* ***Note: If you don't know what this function is for, you shouldn't use
* it!***
*
* \param a a pointer to a pointer
* \param oldval the old pointer value
* \param newval the new pointer value
* \returns SDL_TRUE if the pointer was set, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_AtomicCAS
* \sa SDL_AtomicGetPtr
* \sa SDL_AtomicSetPtr
*/
extern DECLSPEC SDL_bool SDLCALL SDL_AtomicCASPtr(void **a, void *oldval, void *newval);
/**
* Set a pointer to a value atomically.
*
* ***Note: If you don't know what this function is for, you shouldn't use
* it!***
*
* \param a a pointer to a pointer
* \param v the desired pointer value
* \returns the previous value of the pointer.
*
* \since This function is available since SDL 2.0.2.
*
* \sa SDL_AtomicCASPtr
* \sa SDL_AtomicGetPtr
*/
extern DECLSPEC void* SDLCALL SDL_AtomicSetPtr(void **a, void* v);
/**
* Get the value of a pointer atomically.
*
* ***Note: If you don't know what this function is for, you shouldn't use
* it!***
*
* \param a a pointer to a pointer
* \returns the current value of a pointer.
*
* \since This function is available since SDL 2.0.2.
*
* \sa SDL_AtomicCASPtr
* \sa SDL_AtomicSetPtr
*/
extern DECLSPEC void* SDLCALL SDL_AtomicGetPtr(void **a);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_atomic_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_bits.h
*
* Functions for fiddling with bits and bitmasks.
*/
#ifndef SDL_bits_h_
#define SDL_bits_h_
#include "SDL_stdinc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \file SDL_bits.h
*/
/**
* Get the index of the most significant bit. Result is undefined when called
* with 0. This operation can also be stated as "count leading zeroes" and
* "log base 2".
*
* \return the index of the most significant bit, or -1 if the value is 0.
*/
#if defined(__WATCOMC__) && defined(__386__)
extern __inline int _SDL_bsr_watcom(Uint32);
#pragma aux _SDL_bsr_watcom = \
"bsr eax, eax" \
parm [eax] nomemory \
value [eax] \
modify exact [eax] nomemory;
#endif
SDL_FORCE_INLINE int
SDL_MostSignificantBitIndex32(Uint32 x)
{
#if defined(__GNUC__) && (__GNUC__ >= 4 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
/* Count Leading Zeroes builtin in GCC.
* http://gcc.gnu.org/onlinedocs/gcc-4.3.4/gcc/Other-Builtins.html
*/
if (x == 0) {
return -1;
}
return 31 - __builtin_clz(x);
#elif defined(__WATCOMC__) && defined(__386__)
if (x == 0) {
return -1;
}
return _SDL_bsr_watcom(x);
#elif defined(_MSC_VER)
unsigned long index;
if (_BitScanReverse(&index, x)) {
return index;
}
return -1;
#else
/* Based off of Bit Twiddling Hacks by Sean Eron Anderson
* <seander@cs.stanford.edu>, released in the public domain.
* http://graphics.stanford.edu/~seander/bithacks.html#IntegerLog
*/
const Uint32 b[] = {0x2, 0xC, 0xF0, 0xFF00, 0xFFFF0000};
const int S[] = {1, 2, 4, 8, 16};
int msbIndex = 0;
int i;
if (x == 0) {
return -1;
}
for (i = 4; i >= 0; i--)
{
if (x & b[i])
{
x >>= S[i];
msbIndex |= S[i];
}
}
return msbIndex;
#endif
}
SDL_FORCE_INLINE SDL_bool
SDL_HasExactlyOneBitSet32(Uint32 x)
{
if (x && !(x & (x - 1))) {
return SDL_TRUE;
}
return SDL_FALSE;
}
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_bits_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_blendmode.h
*
* Header file declaring the SDL_BlendMode enumeration
*/
#ifndef SDL_blendmode_h_
#define SDL_blendmode_h_
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief The blend mode used in SDL_RenderCopy() and drawing operations.
*/
typedef enum
{
SDL_BLENDMODE_NONE = 0x00000000, /**< no blending
dstRGBA = srcRGBA */
SDL_BLENDMODE_BLEND = 0x00000001, /**< alpha blending
dstRGB = (srcRGB * srcA) + (dstRGB * (1-srcA))
dstA = srcA + (dstA * (1-srcA)) */
SDL_BLENDMODE_ADD = 0x00000002, /**< additive blending
dstRGB = (srcRGB * srcA) + dstRGB
dstA = dstA */
SDL_BLENDMODE_MOD = 0x00000004, /**< color modulate
dstRGB = srcRGB * dstRGB
dstA = dstA */
SDL_BLENDMODE_MUL = 0x00000008, /**< color multiply
dstRGB = (srcRGB * dstRGB) + (dstRGB * (1-srcA))
dstA = (srcA * dstA) + (dstA * (1-srcA)) */
SDL_BLENDMODE_INVALID = 0x7FFFFFFF
/* Additional custom blend modes can be returned by SDL_ComposeCustomBlendMode() */
} SDL_BlendMode;
/**
* \brief The blend operation used when combining source and destination pixel components
*/
typedef enum
{
SDL_BLENDOPERATION_ADD = 0x1, /**< dst + src: supported by all renderers */
SDL_BLENDOPERATION_SUBTRACT = 0x2, /**< dst - src : supported by D3D9, D3D11, OpenGL, OpenGLES */
SDL_BLENDOPERATION_REV_SUBTRACT = 0x3, /**< src - dst : supported by D3D9, D3D11, OpenGL, OpenGLES */
SDL_BLENDOPERATION_MINIMUM = 0x4, /**< min(dst, src) : supported by D3D9, D3D11 */
SDL_BLENDOPERATION_MAXIMUM = 0x5 /**< max(dst, src) : supported by D3D9, D3D11 */
} SDL_BlendOperation;
/**
* \brief The normalized factor used to multiply pixel components
*/
typedef enum
{
SDL_BLENDFACTOR_ZERO = 0x1, /**< 0, 0, 0, 0 */
SDL_BLENDFACTOR_ONE = 0x2, /**< 1, 1, 1, 1 */
SDL_BLENDFACTOR_SRC_COLOR = 0x3, /**< srcR, srcG, srcB, srcA */
SDL_BLENDFACTOR_ONE_MINUS_SRC_COLOR = 0x4, /**< 1-srcR, 1-srcG, 1-srcB, 1-srcA */
SDL_BLENDFACTOR_SRC_ALPHA = 0x5, /**< srcA, srcA, srcA, srcA */
SDL_BLENDFACTOR_ONE_MINUS_SRC_ALPHA = 0x6, /**< 1-srcA, 1-srcA, 1-srcA, 1-srcA */
SDL_BLENDFACTOR_DST_COLOR = 0x7, /**< dstR, dstG, dstB, dstA */
SDL_BLENDFACTOR_ONE_MINUS_DST_COLOR = 0x8, /**< 1-dstR, 1-dstG, 1-dstB, 1-dstA */
SDL_BLENDFACTOR_DST_ALPHA = 0x9, /**< dstA, dstA, dstA, dstA */
SDL_BLENDFACTOR_ONE_MINUS_DST_ALPHA = 0xA /**< 1-dstA, 1-dstA, 1-dstA, 1-dstA */
} SDL_BlendFactor;
/**
* Compose a custom blend mode for renderers.
*
* The functions SDL_SetRenderDrawBlendMode and SDL_SetTextureBlendMode accept
* the SDL_BlendMode returned by this function if the renderer supports it.
*
* A blend mode controls how the pixels from a drawing operation (source) get
* combined with the pixels from the render target (destination). First, the
* components of the source and destination pixels get multiplied with their
* blend factors. Then, the blend operation takes the two products and
* calculates the result that will get stored in the render target.
*
* Expressed in pseudocode, it would look like this:
*
* ```c
* dstRGB = colorOperation(srcRGB * srcColorFactor, dstRGB * dstColorFactor);
* dstA = alphaOperation(srcA * srcAlphaFactor, dstA * dstAlphaFactor);
* ```
*
* Where the functions `colorOperation(src, dst)` and `alphaOperation(src,
* dst)` can return one of the following:
*
* - `src + dst`
* - `src - dst`
* - `dst - src`
* - `min(src, dst)`
* - `max(src, dst)`
*
* The red, green, and blue components are always multiplied with the first,
* second, and third components of the SDL_BlendFactor, respectively. The
* fourth component is not used.
*
* The alpha component is always multiplied with the fourth component of the
* SDL_BlendFactor. The other components are not used in the alpha
* calculation.
*
* Support for these blend modes varies for each renderer. To check if a
* specific SDL_BlendMode is supported, create a renderer and pass it to
* either SDL_SetRenderDrawBlendMode or SDL_SetTextureBlendMode. They will
* return with an error if the blend mode is not supported.
*
* This list describes the support of custom blend modes for each renderer in
* SDL 2.0.6. All renderers support the four blend modes listed in the
* SDL_BlendMode enumeration.
*
* - **direct3d**: Supports all operations with all factors. However, some
* factors produce unexpected results with `SDL_BLENDOPERATION_MINIMUM` and
* `SDL_BLENDOPERATION_MAXIMUM`.
* - **direct3d11**: Same as Direct3D 9.
* - **opengl**: Supports the `SDL_BLENDOPERATION_ADD` operation with all
* factors. OpenGL versions 1.1, 1.2, and 1.3 do not work correctly with SDL
* 2.0.6.
* - **opengles**: Supports the `SDL_BLENDOPERATION_ADD` operation with all
* factors. Color and alpha factors need to be the same. OpenGL ES 1
* implementation specific: May also support `SDL_BLENDOPERATION_SUBTRACT`
* and `SDL_BLENDOPERATION_REV_SUBTRACT`. May support color and alpha
* operations being different from each other. May support color and alpha
* factors being different from each other.
* - **opengles2**: Supports the `SDL_BLENDOPERATION_ADD`,
* `SDL_BLENDOPERATION_SUBTRACT`, `SDL_BLENDOPERATION_REV_SUBTRACT`
* operations with all factors.
* - **psp**: No custom blend mode support.
* - **software**: No custom blend mode support.
*
* Some renderers do not provide an alpha component for the default render
* target. The `SDL_BLENDFACTOR_DST_ALPHA` and
* `SDL_BLENDFACTOR_ONE_MINUS_DST_ALPHA` factors do not have an effect in this
* case.
*
* \param srcColorFactor the SDL_BlendFactor applied to the red, green, and
* blue components of the source pixels
* \param dstColorFactor the SDL_BlendFactor applied to the red, green, and
* blue components of the destination pixels
* \param colorOperation the SDL_BlendOperation used to combine the red,
* green, and blue components of the source and
* destination pixels
* \param srcAlphaFactor the SDL_BlendFactor applied to the alpha component of
* the source pixels
* \param dstAlphaFactor the SDL_BlendFactor applied to the alpha component of
* the destination pixels
* \param alphaOperation the SDL_BlendOperation used to combine the alpha
* component of the source and destination pixels
* \returns an SDL_BlendMode that represents the chosen factors and
* operations.
*
* \since This function is available since SDL 2.0.6.
*
* \sa SDL_SetRenderDrawBlendMode
* \sa SDL_GetRenderDrawBlendMode
* \sa SDL_SetTextureBlendMode
* \sa SDL_GetTextureBlendMode
*/
extern DECLSPEC SDL_BlendMode SDLCALL SDL_ComposeCustomBlendMode(SDL_BlendFactor srcColorFactor,
SDL_BlendFactor dstColorFactor,
SDL_BlendOperation colorOperation,
SDL_BlendFactor srcAlphaFactor,
SDL_BlendFactor dstAlphaFactor,
SDL_BlendOperation alphaOperation);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_blendmode_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_clipboard.h
*
* Include file for SDL clipboard handling
*/
#ifndef SDL_clipboard_h_
#define SDL_clipboard_h_
#include "SDL_stdinc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/* Function prototypes */
/**
* Put UTF-8 text into the clipboard.
*
* \param text the text to store in the clipboard
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetClipboardText
* \sa SDL_HasClipboardText
*/
extern DECLSPEC int SDLCALL SDL_SetClipboardText(const char *text);
/**
* Get UTF-8 text from the clipboard, which must be freed with SDL_free().
*
* This functions returns empty string if there was not enough memory left for
* a copy of the clipboard's content.
*
* \returns the clipboard text on success or an empty string on failure; call
* SDL_GetError() for more information. Caller must call SDL_free()
* on the returned pointer when done with it (even if there was an
* error).
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_HasClipboardText
* \sa SDL_SetClipboardText
*/
extern DECLSPEC char * SDLCALL SDL_GetClipboardText(void);
/**
* Query whether the clipboard exists and contains a non-empty text string.
*
* \returns SDL_TRUE if the clipboard has text, or SDL_FALSE if it does not.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetClipboardText
* \sa SDL_SetClipboardText
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasClipboardText(void);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_clipboard_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_windows_h_
#define SDL_config_windows_h_
#define SDL_config_h_
#include "SDL_platform.h"
/* winsdkver.h defines _WIN32_MAXVER for SDK version detection. It is present since at least the Windows 7 SDK,
* but out of caution we'll only use it if the compiler supports __has_include() to confirm its presence.
* If your compiler doesn't support __has_include() but you have winsdkver.h, define HAVE_WINSDKVER_H. */
#if !defined(HAVE_WINSDKVER_H) && defined(__has_include)
#if __has_include(<winsdkver.h>)
#define HAVE_WINSDKVER_H 1
#endif
#endif
#ifdef HAVE_WINSDKVER_H
#include <winsdkver.h>
#endif
/* This is a set of defines to configure the SDL features */
#if !defined(_STDINT_H_) && (!defined(HAVE_STDINT_H) || !_HAVE_STDINT_H)
#if defined(__GNUC__) || defined(__DMC__) || defined(__WATCOMC__) || defined(__clang__) || defined(__BORLANDC__) || defined(__CODEGEARC__)
#define HAVE_STDINT_H 1
#elif defined(_MSC_VER)
typedef signed __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef signed __int16 int16_t;
typedef unsigned __int16 uint16_t;
typedef signed __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef signed __int64 int64_t;
typedef unsigned __int64 uint64_t;
#ifndef _UINTPTR_T_DEFINED
#ifdef _WIN64
typedef unsigned __int64 uintptr_t;
#else
typedef unsigned int uintptr_t;
#endif
#define _UINTPTR_T_DEFINED
#endif
/* Older Visual C++ headers don't have the Win64-compatible typedefs... */
#if ((_MSC_VER <= 1200) && (!defined(DWORD_PTR)))
#define DWORD_PTR DWORD
#endif
#if ((_MSC_VER <= 1200) && (!defined(LONG_PTR)))
#define LONG_PTR LONG
#endif
#else /* !__GNUC__ && !_MSC_VER */
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef signed short int16_t;
typedef unsigned short uint16_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
typedef signed long long int64_t;
typedef unsigned long long uint64_t;
#ifndef _SIZE_T_DEFINED_
#define _SIZE_T_DEFINED_
typedef unsigned int size_t;
#endif
typedef unsigned int uintptr_t;
#endif /* __GNUC__ || _MSC_VER */
#endif /* !_STDINT_H_ && !HAVE_STDINT_H */
#ifdef _WIN64
# define SIZEOF_VOIDP 8
#else
# define SIZEOF_VOIDP 4
#endif
#ifdef __clang__
# define HAVE_GCC_ATOMICS 1
#endif
#define HAVE_DDRAW_H 1
#define HAVE_DINPUT_H 1
#define HAVE_DSOUND_H 1
#define HAVE_DXGI_H 1
#define HAVE_XINPUT_H 1
#if defined(_WIN32_MAXVER) && _WIN32_MAXVER >= 0x0A00 /* Windows 10 SDK */
#define HAVE_WINDOWS_GAMING_INPUT_H 1
#endif
#if defined(_WIN32_MAXVER) && _WIN32_MAXVER >= 0x0602 /* Windows 8 SDK */
#define HAVE_D3D11_H 1
#define HAVE_ROAPI_H 1
#endif
#define HAVE_MMDEVICEAPI_H 1
#define HAVE_AUDIOCLIENT_H 1
#define HAVE_TPCSHRD_H 1
#define HAVE_SENSORSAPI_H 1
#if (defined(_M_IX86) || defined(_M_X64) || defined(_M_AMD64)) && (defined(_MSC_VER) && _MSC_VER >= 1600)
#define HAVE_IMMINTRIN_H 1
#elif defined(__has_include) && (defined(__i386__) || defined(__x86_64))
# if __has_include(<immintrin.h>)
# define HAVE_IMMINTRIN_H 1
# endif
#endif
/* This is disabled by default to avoid C runtime dependencies and manifest requirements */
#ifdef HAVE_LIBC
/* Useful headers */
#define STDC_HEADERS 1
#define HAVE_CTYPE_H 1
#define HAVE_FLOAT_H 1
#define HAVE_LIMITS_H 1
#define HAVE_MATH_H 1
#define HAVE_SIGNAL_H 1
#define HAVE_STDIO_H 1
#define HAVE_STRING_H 1
/* C library functions */
#define HAVE_MALLOC 1
#define HAVE_CALLOC 1
#define HAVE_REALLOC 1
#define HAVE_FREE 1
#define HAVE_ALLOCA 1
#define HAVE_QSORT 1
#define HAVE_ABS 1
#define HAVE_MEMSET 1
#define HAVE_MEMCPY 1
#define HAVE_MEMMOVE 1
#define HAVE_MEMCMP 1
#define HAVE_STRLEN 1
#define HAVE__STRREV 1
/* These functions have security warnings, so we won't use them */
/* #undef HAVE__STRUPR */
/* #undef HAVE__STRLWR */
#define HAVE_STRCHR 1
#define HAVE_STRRCHR 1
#define HAVE_STRSTR 1
/* #undef HAVE_STRTOK_R */
/* These functions have security warnings, so we won't use them */
/* #undef HAVE__LTOA */
/* #undef HAVE__ULTOA */
#define HAVE_STRTOL 1
#define HAVE_STRTOUL 1
#define HAVE_STRTOD 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE__STRICMP 1
#define HAVE__STRNICMP 1
#define HAVE__WCSICMP 1
#define HAVE__WCSNICMP 1
#define HAVE__WCSDUP 1
#define HAVE_ACOS 1
#define HAVE_ACOSF 1
#define HAVE_ASIN 1
#define HAVE_ASINF 1
#define HAVE_ATAN 1
#define HAVE_ATANF 1
#define HAVE_ATAN2 1
#define HAVE_ATAN2F 1
#define HAVE_CEILF 1
#define HAVE__COPYSIGN 1
#define HAVE_COS 1
#define HAVE_COSF 1
#define HAVE_EXP 1
#define HAVE_EXPF 1
#define HAVE_FABS 1
#define HAVE_FABSF 1
#define HAVE_FLOOR 1
#define HAVE_FLOORF 1
#define HAVE_FMOD 1
#define HAVE_FMODF 1
#define HAVE_LOG 1
#define HAVE_LOGF 1
#define HAVE_LOG10 1
#define HAVE_LOG10F 1
#define HAVE_POW 1
#define HAVE_POWF 1
#define HAVE_SIN 1
#define HAVE_SINF 1
#define HAVE_SQRT 1
#define HAVE_SQRTF 1
#define HAVE_TAN 1
#define HAVE_TANF 1
#if defined(_MSC_VER)
/* These functions were added with the VC++ 2013 C runtime library */
#if _MSC_VER >= 1800
#define HAVE_STRTOLL 1
#define HAVE_STRTOULL 1
#define HAVE_VSSCANF 1
#define HAVE_LROUND 1
#define HAVE_LROUNDF 1
#define HAVE_ROUND 1
#define HAVE_ROUNDF 1
#define HAVE_SCALBN 1
#define HAVE_SCALBNF 1
#define HAVE_TRUNC 1
#define HAVE_TRUNCF 1
#endif
/* This function is available with at least the VC++ 2008 C runtime library */
#if _MSC_VER >= 1400
#define HAVE__FSEEKI64 1
#endif
#endif
#if !defined(_MSC_VER) || defined(_USE_MATH_DEFINES)
#define HAVE_M_PI 1
#endif
#else
#define HAVE_STDARG_H 1
#define HAVE_STDDEF_H 1
#endif
/* Enable various audio drivers */
#define SDL_AUDIO_DRIVER_WASAPI 1
#define SDL_AUDIO_DRIVER_DSOUND 1
#define SDL_AUDIO_DRIVER_WINMM 1
#define SDL_AUDIO_DRIVER_DISK 1
#define SDL_AUDIO_DRIVER_DUMMY 1
/* Enable various input drivers */
#define SDL_JOYSTICK_DINPUT 1
#define SDL_JOYSTICK_HIDAPI 1
#ifndef __WINRT__
#define SDL_JOYSTICK_RAWINPUT 1
#endif
#define SDL_JOYSTICK_VIRTUAL 1
#ifdef HAVE_WINDOWS_GAMING_INPUT_H
#define SDL_JOYSTICK_WGI 1
#endif
#define SDL_JOYSTICK_XINPUT 1
#define SDL_HAPTIC_DINPUT 1
#define SDL_HAPTIC_XINPUT 1
/* Enable the sensor driver */
#define SDL_SENSOR_WINDOWS 1
/* Enable various shared object loading systems */
#define SDL_LOADSO_WINDOWS 1
/* Enable various threading systems */
#define SDL_THREAD_GENERIC_COND_SUFFIX 1
#define SDL_THREAD_WINDOWS 1
/* Enable various timer systems */
#define SDL_TIMER_WINDOWS 1
/* Enable various video drivers */
#define SDL_VIDEO_DRIVER_DUMMY 1
#define SDL_VIDEO_DRIVER_WINDOWS 1
#ifndef SDL_VIDEO_RENDER_D3D
#define SDL_VIDEO_RENDER_D3D 1
#endif
#if !defined(SDL_VIDEO_RENDER_D3D11) && defined(HAVE_D3D11_H)
#define SDL_VIDEO_RENDER_D3D11 1
#endif
/* Enable OpenGL support */
#ifndef SDL_VIDEO_OPENGL
#define SDL_VIDEO_OPENGL 1
#endif
#ifndef SDL_VIDEO_OPENGL_WGL
#define SDL_VIDEO_OPENGL_WGL 1
#endif
#ifndef SDL_VIDEO_RENDER_OGL
#define SDL_VIDEO_RENDER_OGL 1
#endif
#ifndef SDL_VIDEO_RENDER_OGL_ES2
#define SDL_VIDEO_RENDER_OGL_ES2 1
#endif
#ifndef SDL_VIDEO_OPENGL_ES2
#define SDL_VIDEO_OPENGL_ES2 1
#endif
#ifndef SDL_VIDEO_OPENGL_EGL
#define SDL_VIDEO_OPENGL_EGL 1
#endif
/* Enable Vulkan support */
#define SDL_VIDEO_VULKAN 1
/* Enable system power support */
#define SDL_POWER_WINDOWS 1
/* Enable filesystem support */
#define SDL_FILESYSTEM_WINDOWS 1
/* Enable assembly routines (Win64 doesn't have inline asm) */
#ifndef _WIN64
#define SDL_ASSEMBLY_ROUTINES 1
#endif
#endif /* SDL_config_windows_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_h_
#define SDL_config_h_
/**
* \file SDL_config.h.in
*
* This is a set of defines to configure the SDL features
*/
/* General platform specific identifiers */
#include "SDL_platform.h"
/* C language features */
#cmakedefine const @HAVE_CONST@
#cmakedefine inline @HAVE_INLINE@
#cmakedefine volatile @HAVE_VOLATILE@
/* C datatypes */
/* Define SIZEOF_VOIDP for 64/32 architectures */
#ifdef __LP64__
#define SIZEOF_VOIDP 8
#else
#define SIZEOF_VOIDP 4
#endif
#cmakedefine HAVE_GCC_ATOMICS @HAVE_GCC_ATOMICS@
#cmakedefine HAVE_GCC_SYNC_LOCK_TEST_AND_SET @HAVE_GCC_SYNC_LOCK_TEST_AND_SET@
#cmakedefine HAVE_D3D_H @HAVE_D3D_H@
#cmakedefine HAVE_D3D11_H @HAVE_D3D11_H@
#cmakedefine HAVE_DDRAW_H @HAVE_DDRAW_H@
#cmakedefine HAVE_DSOUND_H @HAVE_DSOUND_H@
#cmakedefine HAVE_DINPUT_H @HAVE_DINPUT_H@
#cmakedefine HAVE_XAUDIO2_H @HAVE_XAUDIO2_H@
#cmakedefine HAVE_XINPUT_H @HAVE_XINPUT_H@
#cmakedefine HAVE_DXGI_H @HAVE_DXGI_H@
#cmakedefine HAVE_XINPUT_GAMEPAD_EX @HAVE_XINPUT_GAMEPAD_EX@
#cmakedefine HAVE_XINPUT_STATE_EX @HAVE_XINPUT_STATE_EX@
/* Comment this if you want to build without any C library requirements */
#cmakedefine HAVE_LIBC 1
#if HAVE_LIBC
/* Useful headers */
#cmakedefine HAVE_ALLOCA_H 1
#cmakedefine HAVE_SYS_TYPES_H 1
#cmakedefine HAVE_STDIO_H 1
#cmakedefine STDC_HEADERS 1
#cmakedefine HAVE_STDLIB_H 1
#cmakedefine HAVE_STDARG_H 1
#cmakedefine HAVE_MALLOC_H 1
#cmakedefine HAVE_MEMORY_H 1
#cmakedefine HAVE_STRING_H 1
#cmakedefine HAVE_STRINGS_H 1
#cmakedefine HAVE_WCHAR_H 1
#cmakedefine HAVE_INTTYPES_H 1
#cmakedefine HAVE_STDINT_H 1
#cmakedefine HAVE_CTYPE_H 1
#cmakedefine HAVE_MATH_H 1
#cmakedefine HAVE_ICONV_H 1
#cmakedefine HAVE_SIGNAL_H 1
#cmakedefine HAVE_ALTIVEC_H 1
#cmakedefine HAVE_PTHREAD_NP_H 1
#cmakedefine HAVE_LIBUDEV_H 1
#cmakedefine HAVE_DBUS_DBUS_H 1
#cmakedefine HAVE_IBUS_IBUS_H 1
#cmakedefine HAVE_FCITX_FRONTEND_H 1
#cmakedefine HAVE_LIBSAMPLERATE_H 1
/* C library functions */
#cmakedefine HAVE_MALLOC 1
#cmakedefine HAVE_CALLOC 1
#cmakedefine HAVE_REALLOC 1
#cmakedefine HAVE_FREE 1
#cmakedefine HAVE_ALLOCA 1
#ifndef __WIN32__ /* Don't use C runtime versions of these on Windows */
#cmakedefine HAVE_GETENV 1
#cmakedefine HAVE_SETENV 1
#cmakedefine HAVE_PUTENV 1
#cmakedefine HAVE_UNSETENV 1
#endif
#cmakedefine HAVE_QSORT 1
#cmakedefine HAVE_ABS 1
#cmakedefine HAVE_BCOPY 1
#cmakedefine HAVE_MEMSET 1
#cmakedefine HAVE_MEMCPY 1
#cmakedefine HAVE_MEMMOVE 1
#cmakedefine HAVE_MEMCMP 1
#cmakedefine HAVE_WCSLEN 1
#cmakedefine HAVE_WCSLCPY 1
#cmakedefine HAVE_WCSLCAT 1
#cmakedefine HAVE_WCSCMP 1
#cmakedefine HAVE_STRLEN 1
#cmakedefine HAVE_STRLCPY 1
#cmakedefine HAVE_STRLCAT 1
#cmakedefine HAVE_STRDUP 1
#cmakedefine HAVE__STRREV 1
#cmakedefine HAVE__STRUPR 1
#cmakedefine HAVE__STRLWR 1
#cmakedefine HAVE_INDEX 1
#cmakedefine HAVE_RINDEX 1
#cmakedefine HAVE_STRCHR 1
#cmakedefine HAVE_STRRCHR 1
#cmakedefine HAVE_STRSTR 1
#cmakedefine HAVE_ITOA 1
#cmakedefine HAVE__LTOA 1
#cmakedefine HAVE__UITOA 1
#cmakedefine HAVE__ULTOA 1
#cmakedefine HAVE_STRTOL 1
#cmakedefine HAVE_STRTOUL 1
#cmakedefine HAVE__I64TOA 1
#cmakedefine HAVE__UI64TOA 1
#cmakedefine HAVE_STRTOLL 1
#cmakedefine HAVE_STRTOULL 1
#cmakedefine HAVE_STRTOD 1
#cmakedefine HAVE_ATOI 1
#cmakedefine HAVE_ATOF 1
#cmakedefine HAVE_STRCMP 1
#cmakedefine HAVE_STRNCMP 1
#cmakedefine HAVE__STRICMP 1
#cmakedefine HAVE_STRCASECMP 1
#cmakedefine HAVE__STRNICMP 1
#cmakedefine HAVE_STRNCASECMP 1
#cmakedefine HAVE_VSSCANF 1
#cmakedefine HAVE_VSNPRINTF 1
#cmakedefine HAVE_M_PI 1
#cmakedefine HAVE_ATAN 1
#cmakedefine HAVE_ATAN2 1
#cmakedefine HAVE_ACOS 1
#cmakedefine HAVE_ASIN 1
#cmakedefine HAVE_CEIL 1
#cmakedefine HAVE_COPYSIGN 1
#cmakedefine HAVE_COS 1
#cmakedefine HAVE_COSF 1
#cmakedefine HAVE_FABS 1
#cmakedefine HAVE_FLOOR 1
#cmakedefine HAVE_LOG 1
#cmakedefine HAVE_POW 1
#cmakedefine HAVE_SCALBN 1
#cmakedefine HAVE_SIN 1
#cmakedefine HAVE_SINF 1
#cmakedefine HAVE_SQRT 1
#cmakedefine HAVE_SQRTF 1
#cmakedefine HAVE_TAN 1
#cmakedefine HAVE_TANF 1
#cmakedefine HAVE_FOPEN64 1
#cmakedefine HAVE_FSEEKO 1
#cmakedefine HAVE_FSEEKO64 1
#cmakedefine HAVE_SIGACTION 1
#cmakedefine HAVE_SA_SIGACTION 1
#cmakedefine HAVE_SETJMP 1
#cmakedefine HAVE_NANOSLEEP 1
#cmakedefine HAVE_SYSCONF 1
#cmakedefine HAVE_SYSCTLBYNAME 1
#cmakedefine HAVE_CLOCK_GETTIME 1
#cmakedefine HAVE_GETPAGESIZE 1
#cmakedefine HAVE_MPROTECT 1
#cmakedefine HAVE_ICONV 1
#cmakedefine HAVE_PTHREAD_SETNAME_NP 1
#cmakedefine HAVE_PTHREAD_SET_NAME_NP 1
#cmakedefine HAVE_SEM_TIMEDWAIT 1
#cmakedefine HAVE_GETAUXVAL 1
#cmakedefine HAVE_POLL 1
#elif __WIN32__
#cmakedefine HAVE_STDARG_H 1
#cmakedefine HAVE_STDDEF_H 1
#else
/* We may need some replacement for stdarg.h here */
#include <stdarg.h>
#endif /* HAVE_LIBC */
/* SDL internal assertion support */
#cmakedefine SDL_DEFAULT_ASSERT_LEVEL @SDL_DEFAULT_ASSERT_LEVEL@
/* Allow disabling of core subsystems */
#cmakedefine SDL_ATOMIC_DISABLED @SDL_ATOMIC_DISABLED@
#cmakedefine SDL_AUDIO_DISABLED @SDL_AUDIO_DISABLED@
#cmakedefine SDL_CPUINFO_DISABLED @SDL_CPUINFO_DISABLED@
#cmakedefine SDL_EVENTS_DISABLED @SDL_EVENTS_DISABLED@
#cmakedefine SDL_FILE_DISABLED @SDL_FILE_DISABLED@
#cmakedefine SDL_JOYSTICK_DISABLED @SDL_JOYSTICK_DISABLED@
#cmakedefine SDL_HAPTIC_DISABLED @SDL_HAPTIC_DISABLED@
#cmakedefine SDL_LOADSO_DISABLED @SDL_LOADSO_DISABLED@
#cmakedefine SDL_RENDER_DISABLED @SDL_RENDER_DISABLED@
#cmakedefine SDL_THREADS_DISABLED @SDL_THREADS_DISABLED@
#cmakedefine SDL_TIMERS_DISABLED @SDL_TIMERS_DISABLED@
#cmakedefine SDL_VIDEO_DISABLED @SDL_VIDEO_DISABLED@
#cmakedefine SDL_POWER_DISABLED @SDL_POWER_DISABLED@
#cmakedefine SDL_FILESYSTEM_DISABLED @SDL_FILESYSTEM_DISABLED@
/* Enable various audio drivers */
#cmakedefine SDL_AUDIO_DRIVER_ALSA @SDL_AUDIO_DRIVER_ALSA@
#cmakedefine SDL_AUDIO_DRIVER_ALSA_DYNAMIC @SDL_AUDIO_DRIVER_ALSA_DYNAMIC@
#cmakedefine SDL_AUDIO_DRIVER_ANDROID @SDL_AUDIO_DRIVER_ANDROID@
#cmakedefine SDL_AUDIO_DRIVER_ARTS @SDL_AUDIO_DRIVER_ARTS@
#cmakedefine SDL_AUDIO_DRIVER_ARTS_DYNAMIC @SDL_AUDIO_DRIVER_ARTS_DYNAMIC@
#cmakedefine SDL_AUDIO_DRIVER_COREAUDIO @SDL_AUDIO_DRIVER_COREAUDIO@
#cmakedefine SDL_AUDIO_DRIVER_DISK @SDL_AUDIO_DRIVER_DISK@
#cmakedefine SDL_AUDIO_DRIVER_DSOUND @SDL_AUDIO_DRIVER_DSOUND@
#cmakedefine SDL_AUDIO_DRIVER_DUMMY @SDL_AUDIO_DRIVER_DUMMY@
#cmakedefine SDL_AUDIO_DRIVER_EMSCRIPTEN @SDL_AUDIO_DRIVER_EMSCRIPTEN@
#cmakedefine SDL_AUDIO_DRIVER_ESD @SDL_AUDIO_DRIVER_ESD@
#cmakedefine SDL_AUDIO_DRIVER_ESD_DYNAMIC @SDL_AUDIO_DRIVER_ESD_DYNAMIC@
#cmakedefine SDL_AUDIO_DRIVER_FUSIONSOUND @SDL_AUDIO_DRIVER_FUSIONSOUND@
#cmakedefine SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC @SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC@
#cmakedefine SDL_AUDIO_DRIVER_HAIKU @SDL_AUDIO_DRIVER_HAIKU@
#cmakedefine SDL_AUDIO_DRIVER_JACK @SDL_AUDIO_DRIVER_JACK@
#cmakedefine SDL_AUDIO_DRIVER_JACK_DYNAMIC @SDL_AUDIO_DRIVER_JACK_DYNAMIC@
#cmakedefine SDL_AUDIO_DRIVER_NAS @SDL_AUDIO_DRIVER_NAS@
#cmakedefine SDL_AUDIO_DRIVER_NAS_DYNAMIC @SDL_AUDIO_DRIVER_NAS_DYNAMIC@
#cmakedefine SDL_AUDIO_DRIVER_NETBSD @SDL_AUDIO_DRIVER_NETBSD@
#cmakedefine SDL_AUDIO_DRIVER_OSS @SDL_AUDIO_DRIVER_OSS@
#cmakedefine SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H @SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H@
#cmakedefine SDL_AUDIO_DRIVER_PAUDIO @SDL_AUDIO_DRIVER_PAUDIO@
#cmakedefine SDL_AUDIO_DRIVER_PULSEAUDIO @SDL_AUDIO_DRIVER_PULSEAUDIO@
#cmakedefine SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC @SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC@
#cmakedefine SDL_AUDIO_DRIVER_QSA @SDL_AUDIO_DRIVER_QSA@
#cmakedefine SDL_AUDIO_DRIVER_SNDIO @SDL_AUDIO_DRIVER_SNDIO@
#cmakedefine SDL_AUDIO_DRIVER_SNDIO_DYNAMIC @SDL_AUDIO_DRIVER_SNDIO_DYNAMIC@
#cmakedefine SDL_AUDIO_DRIVER_SUNAUDIO @SDL_AUDIO_DRIVER_SUNAUDIO@
#cmakedefine SDL_AUDIO_DRIVER_WASAPI @SDL_AUDIO_DRIVER_WASAPI@
#cmakedefine SDL_AUDIO_DRIVER_WINMM @SDL_AUDIO_DRIVER_WINMM@
#cmakedefine SDL_AUDIO_DRIVER_XAUDIO2 @SDL_AUDIO_DRIVER_XAUDIO2@
/* Enable various input drivers */
#cmakedefine SDL_INPUT_LINUXEV @SDL_INPUT_LINUXEV@
#cmakedefine SDL_INPUT_LINUXKD @SDL_INPUT_LINUXKD@
#cmakedefine SDL_INPUT_TSLIB @SDL_INPUT_TSLIB@
#cmakedefine SDL_JOYSTICK_ANDROID @SDL_JOYSTICK_ANDROID@
#cmakedefine SDL_JOYSTICK_HAIKU @SDL_JOYSTICK_HAIKU@
#cmakedefine SDL_JOYSTICK_DINPUT @SDL_JOYSTICK_DINPUT@
#cmakedefine SDL_JOYSTICK_XINPUT @SDL_JOYSTICK_XINPUT@
#cmakedefine SDL_JOYSTICK_DUMMY @SDL_JOYSTICK_DUMMY@
#cmakedefine SDL_JOYSTICK_IOKIT @SDL_JOYSTICK_IOKIT@
#cmakedefine SDL_JOYSTICK_MFI @SDL_JOYSTICK_MFI@
#cmakedefine SDL_JOYSTICK_LINUX @SDL_JOYSTICK_LINUX@
#cmakedefine SDL_JOYSTICK_WINMM @SDL_JOYSTICK_WINMM@
#cmakedefine SDL_JOYSTICK_USBHID @SDL_JOYSTICK_USBHID@
#cmakedefine SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H @SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H@
#cmakedefine SDL_JOYSTICK_EMSCRIPTEN @SDL_JOYSTICK_EMSCRIPTEN@
#cmakedefine SDL_HAPTIC_DUMMY @SDL_HAPTIC_DUMMY@
#cmakedefine SDL_HAPTIC_LINUX @SDL_HAPTIC_LINUX@
#cmakedefine SDL_HAPTIC_IOKIT @SDL_HAPTIC_IOKIT@
#cmakedefine SDL_HAPTIC_DINPUT @SDL_HAPTIC_DINPUT@
#cmakedefine SDL_HAPTIC_XINPUT @SDL_HAPTIC_XINPUT@
#cmakedefine SDL_HAPTIC_ANDROID @SDL_HAPTIC_ANDROID@
/* Enable various shared object loading systems */
#cmakedefine SDL_LOADSO_DLOPEN @SDL_LOADSO_DLOPEN@
#cmakedefine SDL_LOADSO_DUMMY @SDL_LOADSO_DUMMY@
#cmakedefine SDL_LOADSO_LDG @SDL_LOADSO_LDG@
#cmakedefine SDL_LOADSO_WINDOWS @SDL_LOADSO_WINDOWS@
/* Enable various threading systems */
#cmakedefine SDL_THREAD_PTHREAD @SDL_THREAD_PTHREAD@
#cmakedefine SDL_THREAD_PTHREAD_RECURSIVE_MUTEX @SDL_THREAD_PTHREAD_RECURSIVE_MUTEX@
#cmakedefine SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP @SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP@
#cmakedefine SDL_THREAD_WINDOWS @SDL_THREAD_WINDOWS@
/* Enable various timer systems */
#cmakedefine SDL_TIMER_HAIKU @SDL_TIMER_HAIKU@
#cmakedefine SDL_TIMER_DUMMY @SDL_TIMER_DUMMY@
#cmakedefine SDL_TIMER_UNIX @SDL_TIMER_UNIX@
#cmakedefine SDL_TIMER_WINDOWS @SDL_TIMER_WINDOWS@
#cmakedefine SDL_TIMER_WINCE @SDL_TIMER_WINCE@
/* Enable various video drivers */
#cmakedefine SDL_VIDEO_DRIVER_ANDROID @SDL_VIDEO_DRIVER_ANDROID@
#cmakedefine SDL_VIDEO_DRIVER_HAIKU @SDL_VIDEO_DRIVER_HAIKU@
#cmakedefine SDL_VIDEO_DRIVER_COCOA @SDL_VIDEO_DRIVER_COCOA@
#cmakedefine SDL_VIDEO_DRIVER_DIRECTFB @SDL_VIDEO_DRIVER_DIRECTFB@
#cmakedefine SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC @SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC@
#cmakedefine SDL_VIDEO_DRIVER_DUMMY @SDL_VIDEO_DRIVER_DUMMY@
#cmakedefine SDL_VIDEO_DRIVER_WINDOWS @SDL_VIDEO_DRIVER_WINDOWS@
#cmakedefine SDL_VIDEO_DRIVER_WAYLAND @SDL_VIDEO_DRIVER_WAYLAND@
#cmakedefine SDL_VIDEO_DRIVER_RPI @SDL_VIDEO_DRIVER_RPI@
#cmakedefine SDL_VIDEO_DRIVER_VIVANTE @SDL_VIDEO_DRIVER_VIVANTE@
#cmakedefine SDL_VIDEO_DRIVER_VIVANTE_VDK @SDL_VIDEO_DRIVER_VIVANTE_VDK@
#cmakedefine SDL_VIDEO_DRIVER_KMSDRM @SDL_VIDEO_DRIVER_KMSDRM@
#cmakedefine SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC @SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC@
#cmakedefine SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC_GBM @SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC_GBM@
#cmakedefine SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH @SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH@
#cmakedefine SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC @SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC@
#cmakedefine SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL @SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL@
#cmakedefine SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR @SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR@
#cmakedefine SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON @SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON@
#cmakedefine SDL_VIDEO_DRIVER_MIR @SDL_VIDEO_DRIVER_MIR@
#cmakedefine SDL_VIDEO_DRIVER_MIR_DYNAMIC @SDL_VIDEO_DRIVER_MIR_DYNAMIC@
#cmakedefine SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON @SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON@
#cmakedefine SDL_VIDEO_DRIVER_EMSCRIPTEN @SDL_VIDEO_DRIVER_EMSCRIPTEN@
#cmakedefine SDL_VIDEO_DRIVER_X11 @SDL_VIDEO_DRIVER_X11@
#cmakedefine SDL_VIDEO_DRIVER_X11_DYNAMIC @SDL_VIDEO_DRIVER_X11_DYNAMIC@
#cmakedefine SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT @SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT@
#cmakedefine SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR @SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR@
#cmakedefine SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA @SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA@
#cmakedefine SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2 @SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2@
#cmakedefine SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR @SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR@
#cmakedefine SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS @SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS@
#cmakedefine SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE @SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE@
#cmakedefine SDL_VIDEO_DRIVER_X11_XCURSOR @SDL_VIDEO_DRIVER_X11_XCURSOR@
#cmakedefine SDL_VIDEO_DRIVER_X11_XDBE @SDL_VIDEO_DRIVER_X11_XDBE@
#cmakedefine SDL_VIDEO_DRIVER_X11_XINERAMA @SDL_VIDEO_DRIVER_X11_XINERAMA@
#cmakedefine SDL_VIDEO_DRIVER_X11_XINPUT2 @SDL_VIDEO_DRIVER_X11_XINPUT2@
#cmakedefine SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH @SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH@
#cmakedefine SDL_VIDEO_DRIVER_X11_XRANDR @SDL_VIDEO_DRIVER_X11_XRANDR@
#cmakedefine SDL_VIDEO_DRIVER_X11_XSCRNSAVER @SDL_VIDEO_DRIVER_X11_XSCRNSAVER@
#cmakedefine SDL_VIDEO_DRIVER_X11_XSHAPE @SDL_VIDEO_DRIVER_X11_XSHAPE@
#cmakedefine SDL_VIDEO_DRIVER_X11_XVIDMODE @SDL_VIDEO_DRIVER_X11_XVIDMODE@
#cmakedefine SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS @SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS@
#cmakedefine SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY @SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY@
#cmakedefine SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM @SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM@
#cmakedefine SDL_VIDEO_RENDER_D3D @SDL_VIDEO_RENDER_D3D@
#cmakedefine SDL_VIDEO_RENDER_D3D11 @SDL_VIDEO_RENDER_D3D11@
#cmakedefine SDL_VIDEO_RENDER_OGL @SDL_VIDEO_RENDER_OGL@
#cmakedefine SDL_VIDEO_RENDER_OGL_ES @SDL_VIDEO_RENDER_OGL_ES@
#cmakedefine SDL_VIDEO_RENDER_OGL_ES2 @SDL_VIDEO_RENDER_OGL_ES2@
#cmakedefine SDL_VIDEO_RENDER_DIRECTFB @SDL_VIDEO_RENDER_DIRECTFB@
/* Enable OpenGL support */
#cmakedefine SDL_VIDEO_OPENGL @SDL_VIDEO_OPENGL@
#cmakedefine SDL_VIDEO_OPENGL_ES @SDL_VIDEO_OPENGL_ES@
#cmakedefine SDL_VIDEO_OPENGL_ES2 @SDL_VIDEO_OPENGL_ES2@
#cmakedefine SDL_VIDEO_OPENGL_BGL @SDL_VIDEO_OPENGL_BGL@
#cmakedefine SDL_VIDEO_OPENGL_CGL @SDL_VIDEO_OPENGL_CGL@
#cmakedefine SDL_VIDEO_OPENGL_GLX @SDL_VIDEO_OPENGL_GLX@
#cmakedefine SDL_VIDEO_OPENGL_WGL @SDL_VIDEO_OPENGL_WGL@
#cmakedefine SDL_VIDEO_OPENGL_EGL @SDL_VIDEO_OPENGL_EGL@
#cmakedefine SDL_VIDEO_OPENGL_OSMESA @SDL_VIDEO_OPENGL_OSMESA@
#cmakedefine SDL_VIDEO_OPENGL_OSMESA_DYNAMIC @SDL_VIDEO_OPENGL_OSMESA_DYNAMIC@
/* Enable Vulkan support */
#cmakedefine SDL_VIDEO_VULKAN @SDL_VIDEO_VULKAN@
/* Enable system power support */
#cmakedefine SDL_POWER_ANDROID @SDL_POWER_ANDROID@
#cmakedefine SDL_POWER_LINUX @SDL_POWER_LINUX@
#cmakedefine SDL_POWER_WINDOWS @SDL_POWER_WINDOWS@
#cmakedefine SDL_POWER_MACOSX @SDL_POWER_MACOSX@
#cmakedefine SDL_POWER_HAIKU @SDL_POWER_HAIKU@
#cmakedefine SDL_POWER_EMSCRIPTEN @SDL_POWER_EMSCRIPTEN@
#cmakedefine SDL_POWER_HARDWIRED @SDL_POWER_HARDWIRED@
/* Enable system filesystem support */
#cmakedefine SDL_FILESYSTEM_ANDROID @SDL_FILESYSTEM_ANDROID@
#cmakedefine SDL_FILESYSTEM_HAIKU @SDL_FILESYSTEM_HAIKU@
#cmakedefine SDL_FILESYSTEM_COCOA @SDL_FILESYSTEM_COCOA@
#cmakedefine SDL_FILESYSTEM_DUMMY @SDL_FILESYSTEM_DUMMY@
#cmakedefine SDL_FILESYSTEM_UNIX @SDL_FILESYSTEM_UNIX@
#cmakedefine SDL_FILESYSTEM_WINDOWS @SDL_FILESYSTEM_WINDOWS@
#cmakedefine SDL_FILESYSTEM_EMSCRIPTEN @SDL_FILESYSTEM_EMSCRIPTEN@
/* Enable assembly routines */
#cmakedefine SDL_ASSEMBLY_ROUTINES @SDL_ASSEMBLY_ROUTINES@
#cmakedefine SDL_ALTIVEC_BLITTERS @SDL_ALTIVEC_BLITTERS@
/* Enable dynamic libsamplerate support */
#cmakedefine SDL_LIBSAMPLERATE_DYNAMIC @SDL_LIBSAMPLERATE_DYNAMIC@
/* Platform specific definitions */
#if !defined(__WIN32__)
# if !defined(_STDINT_H_) && !defined(_STDINT_H) && !defined(HAVE_STDINT_H) && !defined(_HAVE_STDINT_H)
typedef unsigned int size_t;
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef signed short int16_t;
typedef unsigned short uint16_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
typedef signed long long int64_t;
typedef unsigned long long uint64_t;
typedef unsigned long uintptr_t;
# endif /* if (stdint.h isn't available) */
#else /* __WIN32__ */
# if !defined(_STDINT_H_) && !defined(HAVE_STDINT_H) && !defined(_HAVE_STDINT_H)
# if defined(__GNUC__) || defined(__DMC__) || defined(__WATCOMC__)
#define HAVE_STDINT_H 1
# elif defined(_MSC_VER)
typedef signed __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef signed __int16 int16_t;
typedef unsigned __int16 uint16_t;
typedef signed __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef signed __int64 int64_t;
typedef unsigned __int64 uint64_t;
# ifndef _UINTPTR_T_DEFINED
# ifdef _WIN64
typedef unsigned __int64 uintptr_t;
# else
typedef unsigned int uintptr_t;
# endif
#define _UINTPTR_T_DEFINED
# endif
/* Older Visual C++ headers don't have the Win64-compatible typedefs... */
# if ((_MSC_VER <= 1200) && (!defined(DWORD_PTR)))
#define DWORD_PTR DWORD
# endif
# if ((_MSC_VER <= 1200) && (!defined(LONG_PTR)))
#define LONG_PTR LONG
# endif
# else /* !__GNUC__ && !_MSC_VER */
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef signed short int16_t;
typedef unsigned short uint16_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
typedef signed long long int64_t;
typedef unsigned long long uint64_t;
# ifndef _SIZE_T_DEFINED_
#define _SIZE_T_DEFINED_
typedef unsigned int size_t;
# endif
typedef unsigned int uintptr_t;
# endif /* __GNUC__ || _MSC_VER */
# endif /* !_STDINT_H_ && !HAVE_STDINT_H */
#endif /* __WIN32__ */
#endif /* SDL_config_h_ */

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vendor/sdl2/SDL2-2.0.22/include/SDL_config.h.in vendored Normal file
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@ -0,0 +1,389 @@
/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_h_
#define SDL_config_h_
/**
* \file SDL_config.h.in
*
* This is a set of defines to configure the SDL features
*/
/* General platform specific identifiers */
#include "SDL_platform.h"
/* Make sure that this isn't included by Visual C++ */
#ifdef _MSC_VER
#error You should run hg revert SDL_config.h
#endif
/* C language features */
#undef const
#undef inline
#undef volatile
/* C datatypes */
#ifdef __LP64__
#define SIZEOF_VOIDP 8
#else
#define SIZEOF_VOIDP 4
#endif
#undef HAVE_GCC_ATOMICS
#undef HAVE_GCC_SYNC_LOCK_TEST_AND_SET
#undef HAVE_DDRAW_H
#undef HAVE_DINPUT_H
#undef HAVE_DSOUND_H
#undef HAVE_DXGI_H
#undef HAVE_XINPUT_H
#undef HAVE_XINPUT_GAMEPAD_EX
#undef HAVE_XINPUT_STATE_EX
/* Comment this if you want to build without any C library requirements */
#undef HAVE_LIBC
#if HAVE_LIBC
/* Useful headers */
#undef HAVE_ALLOCA_H
#undef HAVE_SYS_TYPES_H
#undef HAVE_STDIO_H
#undef STDC_HEADERS
#undef HAVE_STDLIB_H
#undef HAVE_STDARG_H
#undef HAVE_MALLOC_H
#undef HAVE_MEMORY_H
#undef HAVE_STRING_H
#undef HAVE_STRINGS_H
#undef HAVE_WCHAR_H
#undef HAVE_INTTYPES_H
#undef HAVE_STDINT_H
#undef HAVE_CTYPE_H
#undef HAVE_MATH_H
#undef HAVE_ICONV_H
#undef HAVE_SIGNAL_H
#undef HAVE_ALTIVEC_H
#undef HAVE_PTHREAD_NP_H
#undef HAVE_LIBUDEV_H
#undef HAVE_DBUS_DBUS_H
#undef HAVE_IBUS_IBUS_H
#undef HAVE_FCITX_FRONTEND_H
#undef HAVE_LIBSAMPLERATE_H
/* C library functions */
#undef HAVE_MALLOC
#undef HAVE_CALLOC
#undef HAVE_REALLOC
#undef HAVE_FREE
#undef HAVE_ALLOCA
#ifndef __WIN32__ /* Don't use C runtime versions of these on Windows */
#undef HAVE_GETENV
#undef HAVE_SETENV
#undef HAVE_PUTENV
#undef HAVE_UNSETENV
#endif
#undef HAVE_QSORT
#undef HAVE_ABS
#undef HAVE_BCOPY
#undef HAVE_MEMSET
#undef HAVE_MEMCPY
#undef HAVE_MEMMOVE
#undef HAVE_MEMCMP
#undef HAVE_WCSLEN
#undef HAVE_WCSLCPY
#undef HAVE_WCSLCAT
#undef HAVE_WCSCMP
#undef HAVE_STRLEN
#undef HAVE_STRLCPY
#undef HAVE_STRLCAT
#undef HAVE_STRDUP
#undef HAVE__STRREV
#undef HAVE__STRUPR
#undef HAVE__STRLWR
#undef HAVE_INDEX
#undef HAVE_RINDEX
#undef HAVE_STRCHR
#undef HAVE_STRRCHR
#undef HAVE_STRSTR
#undef HAVE_ITOA
#undef HAVE__LTOA
#undef HAVE__UITOA
#undef HAVE__ULTOA
#undef HAVE_STRTOL
#undef HAVE_STRTOUL
#undef HAVE__I64TOA
#undef HAVE__UI64TOA
#undef HAVE_STRTOLL
#undef HAVE_STRTOULL
#undef HAVE_STRTOD
#undef HAVE_ATOI
#undef HAVE_ATOF
#undef HAVE_STRCMP
#undef HAVE_STRNCMP
#undef HAVE__STRICMP
#undef HAVE_STRCASECMP
#undef HAVE__STRNICMP
#undef HAVE_STRNCASECMP
#undef HAVE_SSCANF
#undef HAVE_VSSCANF
#undef HAVE_SNPRINTF
#undef HAVE_VSNPRINTF
#undef HAVE_M_PI
#undef HAVE_ATAN
#undef HAVE_ATAN2
#undef HAVE_ACOS
#undef HAVE_ASIN
#undef HAVE_CEIL
#undef HAVE_COPYSIGN
#undef HAVE_COS
#undef HAVE_COSF
#undef HAVE_FABS
#undef HAVE_FLOOR
#undef HAVE_LOG
#undef HAVE_POW
#undef HAVE_SCALBN
#undef HAVE_SIN
#undef HAVE_SINF
#undef HAVE_SQRT
#undef HAVE_SQRTF
#undef HAVE_TAN
#undef HAVE_TANF
#undef HAVE_FOPEN64
#undef HAVE_FSEEKO
#undef HAVE_FSEEKO64
#undef HAVE_SIGACTION
#undef HAVE_SA_SIGACTION
#undef HAVE_SETJMP
#undef HAVE_NANOSLEEP
#undef HAVE_SYSCONF
#undef HAVE_SYSCTLBYNAME
#undef HAVE_CLOCK_GETTIME
#undef HAVE_GETPAGESIZE
#undef HAVE_MPROTECT
#undef HAVE_ICONV
#undef HAVE_PTHREAD_SETNAME_NP
#undef HAVE_PTHREAD_SET_NAME_NP
#undef HAVE_SEM_TIMEDWAIT
#undef HAVE_GETAUXVAL
#undef HAVE_POLL
#else
#define HAVE_STDARG_H 1
#define HAVE_STDDEF_H 1
#define HAVE_STDINT_H 1
#endif /* HAVE_LIBC */
/* SDL internal assertion support */
#undef SDL_DEFAULT_ASSERT_LEVEL
/* Allow disabling of core subsystems */
#undef SDL_ATOMIC_DISABLED
#undef SDL_AUDIO_DISABLED
#undef SDL_CPUINFO_DISABLED
#undef SDL_EVENTS_DISABLED
#undef SDL_FILE_DISABLED
#undef SDL_JOYSTICK_DISABLED
#undef SDL_HAPTIC_DISABLED
#undef SDL_LOADSO_DISABLED
#undef SDL_RENDER_DISABLED
#undef SDL_THREADS_DISABLED
#undef SDL_TIMERS_DISABLED
#undef SDL_VIDEO_DISABLED
#undef SDL_POWER_DISABLED
#undef SDL_FILESYSTEM_DISABLED
/* Enable various audio drivers */
#undef SDL_AUDIO_DRIVER_ALSA
#undef SDL_AUDIO_DRIVER_ALSA_DYNAMIC
#undef SDL_AUDIO_DRIVER_ANDROID
#undef SDL_AUDIO_DRIVER_ARTS
#undef SDL_AUDIO_DRIVER_ARTS_DYNAMIC
#undef SDL_AUDIO_DRIVER_COREAUDIO
#undef SDL_AUDIO_DRIVER_DISK
#undef SDL_AUDIO_DRIVER_DSOUND
#undef SDL_AUDIO_DRIVER_DUMMY
#undef SDL_AUDIO_DRIVER_EMSCRIPTEN
#undef SDL_AUDIO_DRIVER_ESD
#undef SDL_AUDIO_DRIVER_ESD_DYNAMIC
#undef SDL_AUDIO_DRIVER_FUSIONSOUND
#undef SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC
#undef SDL_AUDIO_DRIVER_HAIKU
#undef SDL_AUDIO_DRIVER_JACK
#undef SDL_AUDIO_DRIVER_JACK_DYNAMIC
#undef SDL_AUDIO_DRIVER_NACL
#undef SDL_AUDIO_DRIVER_NAS
#undef SDL_AUDIO_DRIVER_NAS_DYNAMIC
#undef SDL_AUDIO_DRIVER_NETBSD
#undef SDL_AUDIO_DRIVER_OSS
#undef SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H
#undef SDL_AUDIO_DRIVER_PAUDIO
#undef SDL_AUDIO_DRIVER_PULSEAUDIO
#undef SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC
#undef SDL_AUDIO_DRIVER_QSA
#undef SDL_AUDIO_DRIVER_SNDIO
#undef SDL_AUDIO_DRIVER_SNDIO_DYNAMIC
#undef SDL_AUDIO_DRIVER_SUNAUDIO
#undef SDL_AUDIO_DRIVER_WASAPI
#undef SDL_AUDIO_DRIVER_WINMM
#undef SDL_AUDIO_DRIVER_XAUDIO2
/* Enable various input drivers */
#undef SDL_INPUT_LINUXEV
#undef SDL_INPUT_LINUXKD
#undef SDL_INPUT_TSLIB
#undef SDL_JOYSTICK_HAIKU
#undef SDL_JOYSTICK_DINPUT
#undef SDL_JOYSTICK_XINPUT
#undef SDL_JOYSTICK_DUMMY
#undef SDL_JOYSTICK_IOKIT
#undef SDL_JOYSTICK_LINUX
#undef SDL_JOYSTICK_ANDROID
#undef SDL_JOYSTICK_WINMM
#undef SDL_JOYSTICK_USBHID
#undef SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H
#undef SDL_JOYSTICK_EMSCRIPTEN
#undef SDL_HAPTIC_DUMMY
#undef SDL_HAPTIC_LINUX
#undef SDL_HAPTIC_IOKIT
#undef SDL_HAPTIC_DINPUT
#undef SDL_HAPTIC_XINPUT
/* Enable various shared object loading systems */
#undef SDL_LOADSO_DLOPEN
#undef SDL_LOADSO_DUMMY
#undef SDL_LOADSO_LDG
#undef SDL_LOADSO_WINDOWS
/* Enable various threading systems */
#undef SDL_THREAD_PTHREAD
#undef SDL_THREAD_PTHREAD_RECURSIVE_MUTEX
#undef SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP
#undef SDL_THREAD_WINDOWS
/* Enable various timer systems */
#undef SDL_TIMER_HAIKU
#undef SDL_TIMER_DUMMY
#undef SDL_TIMER_UNIX
#undef SDL_TIMER_WINDOWS
/* Enable various video drivers */
#undef SDL_VIDEO_DRIVER_HAIKU
#undef SDL_VIDEO_DRIVER_COCOA
#undef SDL_VIDEO_DRIVER_DIRECTFB
#undef SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC
#undef SDL_VIDEO_DRIVER_DUMMY
#undef SDL_VIDEO_DRIVER_WINDOWS
#undef SDL_VIDEO_DRIVER_WAYLAND
#undef SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH
#undef SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC
#undef SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL
#undef SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR
#undef SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON
#undef SDL_VIDEO_DRIVER_MIR
#undef SDL_VIDEO_DRIVER_MIR_DYNAMIC
#undef SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON
#undef SDL_VIDEO_DRIVER_X11
#undef SDL_VIDEO_DRIVER_RPI
#undef SDL_VIDEO_DRIVER_KMSDRM
#undef SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC
#undef SDL_VIDEO_DRIVER_KMSDRM_DYNAMIC_GBM
#undef SDL_VIDEO_DRIVER_ANDROID
#undef SDL_VIDEO_DRIVER_EMSCRIPTEN
#undef SDL_VIDEO_DRIVER_X11_DYNAMIC
#undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT
#undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR
#undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA
#undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2
#undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR
#undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS
#undef SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE
#undef SDL_VIDEO_DRIVER_X11_XCURSOR
#undef SDL_VIDEO_DRIVER_X11_XDBE
#undef SDL_VIDEO_DRIVER_X11_XINERAMA
#undef SDL_VIDEO_DRIVER_X11_XINPUT2
#undef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
#undef SDL_VIDEO_DRIVER_X11_XRANDR
#undef SDL_VIDEO_DRIVER_X11_XSCRNSAVER
#undef SDL_VIDEO_DRIVER_X11_XSHAPE
#undef SDL_VIDEO_DRIVER_X11_XVIDMODE
#undef SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS
#undef SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY
#undef SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM
#undef SDL_VIDEO_DRIVER_NACL
#undef SDL_VIDEO_DRIVER_VIVANTE
#undef SDL_VIDEO_DRIVER_VIVANTE_VDK
#undef SDL_VIDEO_DRIVER_QNX
#undef SDL_VIDEO_RENDER_D3D
#undef SDL_VIDEO_RENDER_D3D11
#undef SDL_VIDEO_RENDER_OGL
#undef SDL_VIDEO_RENDER_OGL_ES
#undef SDL_VIDEO_RENDER_OGL_ES2
#undef SDL_VIDEO_RENDER_DIRECTFB
/* Enable OpenGL support */
#undef SDL_VIDEO_OPENGL
#undef SDL_VIDEO_OPENGL_ES
#undef SDL_VIDEO_OPENGL_ES2
#undef SDL_VIDEO_OPENGL_BGL
#undef SDL_VIDEO_OPENGL_CGL
#undef SDL_VIDEO_OPENGL_EGL
#undef SDL_VIDEO_OPENGL_GLX
#undef SDL_VIDEO_OPENGL_WGL
#undef SDL_VIDEO_OPENGL_OSMESA
#undef SDL_VIDEO_OPENGL_OSMESA_DYNAMIC
/* Enable Vulkan support */
#undef SDL_VIDEO_VULKAN
/* Enable system power support */
#undef SDL_POWER_LINUX
#undef SDL_POWER_WINDOWS
#undef SDL_POWER_MACOSX
#undef SDL_POWER_HAIKU
#undef SDL_POWER_ANDROID
#undef SDL_POWER_EMSCRIPTEN
#undef SDL_POWER_HARDWIRED
/* Enable system filesystem support */
#undef SDL_FILESYSTEM_HAIKU
#undef SDL_FILESYSTEM_COCOA
#undef SDL_FILESYSTEM_DUMMY
#undef SDL_FILESYSTEM_UNIX
#undef SDL_FILESYSTEM_WINDOWS
#undef SDL_FILESYSTEM_NACL
#undef SDL_FILESYSTEM_ANDROID
#undef SDL_FILESYSTEM_EMSCRIPTEN
/* Enable assembly routines */
#undef SDL_ASSEMBLY_ROUTINES
#undef SDL_ALTIVEC_BLITTERS
/* Enable ime support */
#undef SDL_USE_IME
/* Enable dynamic udev support */
#undef SDL_UDEV_DYNAMIC
/* Enable dynamic libsamplerate support */
#undef SDL_LIBSAMPLERATE_DYNAMIC
#endif /* SDL_config_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_android_h_
#define SDL_config_android_h_
#define SDL_config_h_
#include "SDL_platform.h"
/**
* \file SDL_config_android.h
*
* This is a configuration that can be used to build SDL for Android
*/
#include <stdarg.h>
#define HAVE_GCC_ATOMICS 1
#define HAVE_ALLOCA_H 1
#define HAVE_SYS_TYPES_H 1
#define HAVE_STDIO_H 1
#define STDC_HEADERS 1
#define HAVE_STRING_H 1
#define HAVE_INTTYPES_H 1
#define HAVE_STDINT_H 1
#define HAVE_CTYPE_H 1
#define HAVE_MATH_H 1
#define HAVE_SIGNAL_H 1
/* C library functions */
#define HAVE_MALLOC 1
#define HAVE_CALLOC 1
#define HAVE_REALLOC 1
#define HAVE_FREE 1
#define HAVE_ALLOCA 1
#define HAVE_GETENV 1
#define HAVE_SETENV 1
#define HAVE_PUTENV 1
#define HAVE_SETENV 1
#define HAVE_UNSETENV 1
#define HAVE_QSORT 1
#define HAVE_ABS 1
#define HAVE_BCOPY 1
#define HAVE_MEMSET 1
#define HAVE_MEMCPY 1
#define HAVE_MEMMOVE 1
#define HAVE_MEMCMP 1
#define HAVE_STRLEN 1
#define HAVE_STRLCPY 1
#define HAVE_STRLCAT 1
#define HAVE_STRDUP 1
#define HAVE_STRCHR 1
#define HAVE_STRRCHR 1
#define HAVE_STRSTR 1
#define HAVE_STRTOL 1
#define HAVE_STRTOUL 1
#define HAVE_STRTOLL 1
#define HAVE_STRTOULL 1
#define HAVE_STRTOD 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE_STRCASECMP 1
#define HAVE_STRNCASECMP 1
#define HAVE_VSSCANF 1
#define HAVE_VSNPRINTF 1
#define HAVE_M_PI 1
#define HAVE_ATAN 1
#define HAVE_ATAN2 1
#define HAVE_ACOS 1
#define HAVE_ASIN 1
#define HAVE_CEIL 1
#define HAVE_COPYSIGN 1
#define HAVE_COS 1
#define HAVE_COSF 1
#define HAVE_FABS 1
#define HAVE_FLOOR 1
#define HAVE_LOG 1
#define HAVE_POW 1
#define HAVE_SCALBN 1
#define HAVE_SIN 1
#define HAVE_SINF 1
#define HAVE_SQRT 1
#define HAVE_SQRTF 1
#define HAVE_TAN 1
#define HAVE_TANF 1
#define HAVE_SIGACTION 1
#define HAVE_SETJMP 1
#define HAVE_NANOSLEEP 1
#define HAVE_SYSCONF 1
#define HAVE_CLOCK_GETTIME 1
#define SIZEOF_VOIDP 4
/* Enable various audio drivers */
#define SDL_AUDIO_DRIVER_ANDROID 1
#define SDL_AUDIO_DRIVER_DUMMY 1
/* Enable various input drivers */
#define SDL_JOYSTICK_ANDROID 1
#define SDL_HAPTIC_ANDROID 1
/* Enable various shared object loading systems */
#define SDL_LOADSO_DLOPEN 1
/* Enable various threading systems */
#define SDL_THREAD_PTHREAD 1
#define SDL_THREAD_PTHREAD_RECURSIVE_MUTEX 1
/* Enable various timer systems */
#define SDL_TIMER_UNIX 1
/* Enable various video drivers */
#define SDL_VIDEO_DRIVER_ANDROID 1
/* Enable OpenGL ES */
#define SDL_VIDEO_OPENGL_ES 1
#define SDL_VIDEO_OPENGL_ES2 1
#define SDL_VIDEO_OPENGL_EGL 1
#define SDL_VIDEO_RENDER_OGL_ES 1
#define SDL_VIDEO_RENDER_OGL_ES2 1
/* Enable Vulkan support */
/* Android does not support Vulkan in native code using the "armeabi" ABI. */
#if defined(__ARM_ARCH) && __ARM_ARCH < 7
#define SDL_VIDEO_VULKAN 0
#else
#define SDL_VIDEO_VULKAN 1
#endif
/* Enable system power support */
#define SDL_POWER_ANDROID 1
/* Enable the filesystem driver */
#define SDL_FILESYSTEM_ANDROID 1
#endif /* SDL_config_android_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_iphoneos_h_
#define SDL_config_iphoneos_h_
#define SDL_config_h_
#include "SDL_platform.h"
#ifdef __LP64__
#define SIZEOF_VOIDP 8
#else
#define SIZEOF_VOIDP 4
#endif
#define HAVE_GCC_ATOMICS 1
#define HAVE_ALLOCA_H 1
#define HAVE_SYS_TYPES_H 1
#define HAVE_STDIO_H 1
#define STDC_HEADERS 1
#define HAVE_STRING_H 1
#define HAVE_INTTYPES_H 1
#define HAVE_STDINT_H 1
#define HAVE_CTYPE_H 1
#define HAVE_MATH_H 1
#define HAVE_SIGNAL_H 1
/* C library functions */
#define HAVE_MALLOC 1
#define HAVE_CALLOC 1
#define HAVE_REALLOC 1
#define HAVE_FREE 1
#define HAVE_ALLOCA 1
#define HAVE_GETENV 1
#define HAVE_SETENV 1
#define HAVE_PUTENV 1
#define HAVE_SETENV 1
#define HAVE_UNSETENV 1
#define HAVE_QSORT 1
#define HAVE_ABS 1
#define HAVE_BCOPY 1
#define HAVE_MEMSET 1
#define HAVE_MEMCPY 1
#define HAVE_MEMMOVE 1
#define HAVE_MEMCMP 1
#define HAVE_STRLEN 1
#define HAVE_STRLCPY 1
#define HAVE_STRLCAT 1
#define HAVE_STRDUP 1
#define HAVE_STRCHR 1
#define HAVE_STRRCHR 1
#define HAVE_STRSTR 1
#define HAVE_STRTOL 1
#define HAVE_STRTOUL 1
#define HAVE_STRTOLL 1
#define HAVE_STRTOULL 1
#define HAVE_STRTOD 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE_STRCASECMP 1
#define HAVE_STRNCASECMP 1
#define HAVE_VSSCANF 1
#define HAVE_VSNPRINTF 1
#define HAVE_M_PI 1
#define HAVE_ATAN 1
#define HAVE_ATAN2 1
#define HAVE_ACOS 1
#define HAVE_ASIN 1
#define HAVE_CEIL 1
#define HAVE_COPYSIGN 1
#define HAVE_COS 1
#define HAVE_COSF 1
#define HAVE_FABS 1
#define HAVE_FLOOR 1
#define HAVE_LOG 1
#define HAVE_POW 1
#define HAVE_SCALBN 1
#define HAVE_SIN 1
#define HAVE_SINF 1
#define HAVE_SQRT 1
#define HAVE_SQRTF 1
#define HAVE_TAN 1
#define HAVE_TANF 1
#define HAVE_SIGACTION 1
#define HAVE_SETJMP 1
#define HAVE_NANOSLEEP 1
#define HAVE_SYSCONF 1
#define HAVE_SYSCTLBYNAME 1
/* enable iPhone version of Core Audio driver */
#define SDL_AUDIO_DRIVER_COREAUDIO 1
/* Enable the dummy audio driver (src/audio/dummy/\*.c) */
#define SDL_AUDIO_DRIVER_DUMMY 1
/* Enable the stub haptic driver (src/haptic/dummy/\*.c) */
#define SDL_HAPTIC_DUMMY 1
/* Enable MFi joystick support */
#define SDL_JOYSTICK_MFI 1
/* Enable Unix style SO loading */
#define SDL_LOADSO_DLOPEN 1
/* Enable various threading systems */
#define SDL_THREAD_PTHREAD 1
#define SDL_THREAD_PTHREAD_RECURSIVE_MUTEX 1
/* Enable various timer systems */
#define SDL_TIMER_UNIX 1
/* Supported video drivers */
#define SDL_VIDEO_DRIVER_UIKIT 1
#define SDL_VIDEO_DRIVER_DUMMY 1
/* enable OpenGL ES */
#define SDL_VIDEO_OPENGL_ES2 1
#define SDL_VIDEO_OPENGL_ES 1
#define SDL_VIDEO_RENDER_OGL_ES 1
#define SDL_VIDEO_RENDER_OGL_ES2 1
/* Enable Vulkan support */
#if !TARGET_OS_SIMULATOR && !TARGET_CPU_ARM // Only 64-bit devices have Metal
#define SDL_VIDEO_VULKAN 1
#else
#define SDL_VIDEO_VULKAN 0
#endif
/* Enable system power support */
#define SDL_POWER_UIKIT 1
/* enable iPhone keyboard support */
#define SDL_IPHONE_KEYBOARD 1
/* enable iOS extended launch screen */
#define SDL_IPHONE_LAUNCHSCREEN 1
/* Set max recognized G-force from accelerometer
See src/joystick/uikit/SDL_sysjoystick.m for notes on why this is needed
*/
#define SDL_IPHONE_MAX_GFORCE 5.0
/* enable filesystem support */
#define SDL_FILESYSTEM_COCOA 1
#endif /* SDL_config_iphoneos_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_macosx_h_
#define SDL_config_macosx_h_
#define SDL_config_h_
#include "SDL_platform.h"
/* This gets us MAC_OS_X_VERSION_MIN_REQUIRED... */
#include <AvailabilityMacros.h>
/* This is a set of defines to configure the SDL features */
#ifdef __LP64__
#define SIZEOF_VOIDP 8
#else
#define SIZEOF_VOIDP 4
#endif
/* Useful headers */
#define HAVE_ALLOCA_H 1
#define HAVE_SYS_TYPES_H 1
#define HAVE_STDIO_H 1
#define STDC_HEADERS 1
#define HAVE_STRING_H 1
#define HAVE_INTTYPES_H 1
#define HAVE_STDINT_H 1
#define HAVE_CTYPE_H 1
#define HAVE_MATH_H 1
#define HAVE_SIGNAL_H 1
/* C library functions */
#define HAVE_MALLOC 1
#define HAVE_CALLOC 1
#define HAVE_REALLOC 1
#define HAVE_FREE 1
#define HAVE_ALLOCA 1
#define HAVE_GETENV 1
#define HAVE_SETENV 1
#define HAVE_PUTENV 1
#define HAVE_UNSETENV 1
#define HAVE_QSORT 1
#define HAVE_ABS 1
#define HAVE_BCOPY 1
#define HAVE_MEMSET 1
#define HAVE_MEMCPY 1
#define HAVE_MEMMOVE 1
#define HAVE_MEMCMP 1
#define HAVE_STRLEN 1
#define HAVE_STRLCPY 1
#define HAVE_STRLCAT 1
#define HAVE_STRDUP 1
#define HAVE_STRCHR 1
#define HAVE_STRRCHR 1
#define HAVE_STRSTR 1
#define HAVE_STRTOL 1
#define HAVE_STRTOUL 1
#define HAVE_STRTOLL 1
#define HAVE_STRTOULL 1
#define HAVE_STRTOD 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE_STRCASECMP 1
#define HAVE_STRNCASECMP 1
#define HAVE_VSSCANF 1
#define HAVE_VSNPRINTF 1
#define HAVE_CEIL 1
#define HAVE_COPYSIGN 1
#define HAVE_COS 1
#define HAVE_COSF 1
#define HAVE_FABS 1
#define HAVE_FLOOR 1
#define HAVE_LOG 1
#define HAVE_POW 1
#define HAVE_SCALBN 1
#define HAVE_SIN 1
#define HAVE_SINF 1
#define HAVE_SQRT 1
#define HAVE_SQRTF 1
#define HAVE_TAN 1
#define HAVE_TANF 1
#define HAVE_SIGACTION 1
#define HAVE_SETJMP 1
#define HAVE_NANOSLEEP 1
#define HAVE_SYSCONF 1
#define HAVE_SYSCTLBYNAME 1
#define HAVE_ATAN 1
#define HAVE_ATAN2 1
#define HAVE_ACOS 1
#define HAVE_ASIN 1
/* Enable various audio drivers */
#define SDL_AUDIO_DRIVER_COREAUDIO 1
#define SDL_AUDIO_DRIVER_DISK 1
#define SDL_AUDIO_DRIVER_DUMMY 1
/* Enable various input drivers */
#define SDL_JOYSTICK_IOKIT 1
#define SDL_HAPTIC_IOKIT 1
/* Enable various shared object loading systems */
#define SDL_LOADSO_DLOPEN 1
/* Enable various threading systems */
#define SDL_THREAD_PTHREAD 1
#define SDL_THREAD_PTHREAD_RECURSIVE_MUTEX 1
/* Enable various timer systems */
#define SDL_TIMER_UNIX 1
/* Enable various video drivers */
#define SDL_VIDEO_DRIVER_COCOA 1
#define SDL_VIDEO_DRIVER_DUMMY 1
#undef SDL_VIDEO_DRIVER_X11
#define SDL_VIDEO_DRIVER_X11_DYNAMIC "/usr/X11R6/lib/libX11.6.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT "/usr/X11R6/lib/libXext.6.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA "/usr/X11R6/lib/libXinerama.1.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2 "/usr/X11R6/lib/libXi.6.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR "/usr/X11R6/lib/libXrandr.2.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS "/usr/X11R6/lib/libXss.1.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE "/usr/X11R6/lib/libXxf86vm.1.dylib"
#define SDL_VIDEO_DRIVER_X11_XDBE 1
#define SDL_VIDEO_DRIVER_X11_XINERAMA 1
#define SDL_VIDEO_DRIVER_X11_XRANDR 1
#define SDL_VIDEO_DRIVER_X11_XSCRNSAVER 1
#define SDL_VIDEO_DRIVER_X11_XSHAPE 1
#define SDL_VIDEO_DRIVER_X11_XVIDMODE 1
#define SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM 1
#ifdef MAC_OS_X_VERSION_10_8
/*
* No matter the versions targeted, this is the 10.8 or later SDK, so you have
* to use the external Xquartz, which is a more modern Xlib. Previous SDKs
* used an older Xlib.
*/
#define SDL_VIDEO_DRIVER_X11_XINPUT2 1
#define SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS 1
#define SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY 1
#endif
#ifndef SDL_VIDEO_RENDER_OGL
#define SDL_VIDEO_RENDER_OGL 1
#endif
/* Enable OpenGL support */
#ifndef SDL_VIDEO_OPENGL
#define SDL_VIDEO_OPENGL 1
#endif
#ifndef SDL_VIDEO_OPENGL_CGL
#define SDL_VIDEO_OPENGL_CGL 1
#endif
#ifndef SDL_VIDEO_OPENGL_GLX
#define SDL_VIDEO_OPENGL_GLX 1
#endif
/* Enable Vulkan support */
/* Metal/MoltenVK/Vulkan only supported on 64-bit architectures with 10.11+ */
#if TARGET_CPU_X86_64 && (MAC_OS_X_VERSION_MAX_ALLOWED >= 101100)
#define SDL_VIDEO_VULKAN 1
#else
#define SDL_VIDEO_VULKAN 0
#endif
/* Enable system power support */
#define SDL_POWER_MACOSX 1
/* enable filesystem support */
#define SDL_FILESYSTEM_COCOA 1
/* Enable assembly routines */
#define SDL_ASSEMBLY_ROUTINES 1
#ifdef __ppc__
#define SDL_ALTIVEC_BLITTERS 1
#endif
#endif /* SDL_config_macosx_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_macosx_h_
#define SDL_config_macosx_h_
#define SDL_config_h_
#include "SDL_platform.h"
/* This gets us MAC_OS_X_VERSION_MIN_REQUIRED... */
#include <AvailabilityMacros.h>
/* This is a set of defines to configure the SDL features */
#ifdef __LP64__
#define SIZEOF_VOIDP 8
#else
#define SIZEOF_VOIDP 4
#endif
/* Useful headers */
#define HAVE_ALLOCA_H 1
#define HAVE_SYS_TYPES_H 1
#define HAVE_STDIO_H 1
#define STDC_HEADERS 1
#define HAVE_STRING_H 1
#define HAVE_INTTYPES_H 1
#define HAVE_STDINT_H 1
#define HAVE_CTYPE_H 1
#define HAVE_MATH_H 1
#define HAVE_SIGNAL_H 1
/* C library functions */
#define HAVE_MALLOC 1
#define HAVE_CALLOC 1
#define HAVE_REALLOC 1
#define HAVE_FREE 1
#define HAVE_ALLOCA 1
#define HAVE_GETENV 1
#define HAVE_SETENV 1
#define HAVE_PUTENV 1
#define HAVE_UNSETENV 1
#define HAVE_QSORT 1
#define HAVE_ABS 1
#define HAVE_BCOPY 1
#define HAVE_MEMSET 1
#define HAVE_MEMCPY 1
#define HAVE_MEMMOVE 1
#define HAVE_MEMCMP 1
#define HAVE_STRLEN 1
#define HAVE_STRLCPY 1
#define HAVE_STRLCAT 1
#define HAVE_STRDUP 1
#define HAVE_STRCHR 1
#define HAVE_STRRCHR 1
#define HAVE_STRSTR 1
#define HAVE_STRTOL 1
#define HAVE_STRTOUL 1
#define HAVE_STRTOLL 1
#define HAVE_STRTOULL 1
#define HAVE_STRTOD 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE_STRCASECMP 1
#define HAVE_STRNCASECMP 1
#define HAVE_VSSCANF 1
#define HAVE_VSNPRINTF 1
#define HAVE_CEIL 1
#define HAVE_COPYSIGN 1
#define HAVE_COS 1
#define HAVE_COSF 1
#define HAVE_FABS 1
#define HAVE_FLOOR 1
#define HAVE_LOG 1
#define HAVE_POW 1
#define HAVE_SCALBN 1
#define HAVE_SIN 1
#define HAVE_SINF 1
#define HAVE_SQRT 1
#define HAVE_SQRTF 1
#define HAVE_TAN 1
#define HAVE_TANF 1
#define HAVE_SIGACTION 1
#define HAVE_SETJMP 1
#define HAVE_NANOSLEEP 1
#define HAVE_SYSCONF 1
#define HAVE_SYSCTLBYNAME 1
#define HAVE_ATAN 1
#define HAVE_ATAN2 1
#define HAVE_ACOS 1
#define HAVE_ASIN 1
/* Enable various audio drivers */
#define SDL_AUDIO_DRIVER_COREAUDIO 1
#define SDL_AUDIO_DRIVER_DISK 1
#define SDL_AUDIO_DRIVER_DUMMY 1
/* Enable various input drivers */
#define SDL_JOYSTICK_IOKIT 1
#define SDL_HAPTIC_IOKIT 1
/* Enable various shared object loading systems */
#define SDL_LOADSO_DLOPEN 1
/* Enable various threading systems */
#define SDL_THREAD_PTHREAD 1
#define SDL_THREAD_PTHREAD_RECURSIVE_MUTEX 1
/* Enable various timer systems */
#define SDL_TIMER_UNIX 1
/* Enable various video drivers */
#define SDL_VIDEO_DRIVER_COCOA 1
#define SDL_VIDEO_DRIVER_DUMMY 1
#undef SDL_VIDEO_DRIVER_X11
#define SDL_VIDEO_DRIVER_X11_DYNAMIC "/usr/X11R6/lib/libX11.6.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT "/usr/X11R6/lib/libXext.6.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA "/usr/X11R6/lib/libXinerama.1.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2 "/usr/X11R6/lib/libXi.6.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR "/usr/X11R6/lib/libXrandr.2.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS "/usr/X11R6/lib/libXss.1.dylib"
#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE "/usr/X11R6/lib/libXxf86vm.1.dylib"
#define SDL_VIDEO_DRIVER_X11_XDBE 1
#define SDL_VIDEO_DRIVER_X11_XINERAMA 1
#define SDL_VIDEO_DRIVER_X11_XRANDR 1
#define SDL_VIDEO_DRIVER_X11_XSCRNSAVER 1
#define SDL_VIDEO_DRIVER_X11_XSHAPE 1
#define SDL_VIDEO_DRIVER_X11_XVIDMODE 1
#define SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM 1
#ifdef MAC_OS_X_VERSION_10_8
/*
* No matter the versions targeted, this is the 10.8 or later SDK, so you have
* to use the external Xquartz, which is a more modern Xlib. Previous SDKs
* used an older Xlib.
*/
#define SDL_VIDEO_DRIVER_X11_XINPUT2 1
#define SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS 1
#define SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY 1
#endif
#ifndef SDL_VIDEO_RENDER_OGL
#define SDL_VIDEO_RENDER_OGL 1
#endif
/* Enable OpenGL support */
#ifndef SDL_VIDEO_OPENGL
#define SDL_VIDEO_OPENGL 1
#endif
#ifndef SDL_VIDEO_OPENGL_CGL
#define SDL_VIDEO_OPENGL_CGL 1
#endif
#ifndef SDL_VIDEO_OPENGL_GLX
#define SDL_VIDEO_OPENGL_GLX 1
#endif
/* Enable Vulkan support */
/* Metal/MoltenVK/Vulkan only supported on 64-bit architectures and 10.11+ */
#if TARGET_CPU_X86_64
#define SDL_VIDEO_VULKAN 1
#else
#define SDL_VIDEO_VULKAN 0
#endif
/* Enable system power support */
#define SDL_POWER_MACOSX 1
/* enable filesystem support */
#define SDL_FILESYSTEM_COCOA 1
/* Enable assembly routines */
#define SDL_ASSEMBLY_ROUTINES 1
#ifdef __ppc__
#define SDL_ALTIVEC_BLITTERS 1
#endif
#endif /* SDL_config_macosx_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_minimal_h_
#define SDL_config_minimal_h_
#define SDL_config_h_
#include "SDL_platform.h"
/**
* \file SDL_config_minimal.h
*
* This is the minimal configuration that can be used to build SDL.
*/
#define HAVE_STDARG_H 1
#define HAVE_STDDEF_H 1
/* Most everything except Visual Studio 2008 and earlier has stdint.h now */
#if defined(_MSC_VER) && (_MSC_VER < 1600)
/* Here are some reasonable defaults */
typedef unsigned int size_t;
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef signed short int16_t;
typedef unsigned short uint16_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
typedef signed long long int64_t;
typedef unsigned long long uint64_t;
typedef unsigned long uintptr_t;
#else
#define HAVE_STDINT_H 1
#endif /* Visual Studio 2008 */
#ifdef __GNUC__
#define HAVE_GCC_SYNC_LOCK_TEST_AND_SET 1
#endif
/* Enable the dummy audio driver (src/audio/dummy/\*.c) */
#define SDL_AUDIO_DRIVER_DUMMY 1
/* Enable the stub joystick driver (src/joystick/dummy/\*.c) */
#define SDL_JOYSTICK_DISABLED 1
/* Enable the stub haptic driver (src/haptic/dummy/\*.c) */
#define SDL_HAPTIC_DISABLED 1
/* Enable the stub shared object loader (src/loadso/dummy/\*.c) */
#define SDL_LOADSO_DISABLED 1
/* Enable the stub thread support (src/thread/generic/\*.c) */
#define SDL_THREADS_DISABLED 1
/* Enable the stub timer support (src/timer/dummy/\*.c) */
#define SDL_TIMERS_DISABLED 1
/* Enable the dummy video driver (src/video/dummy/\*.c) */
#define SDL_VIDEO_DRIVER_DUMMY 1
/* Enable the dummy filesystem driver (src/filesystem/dummy/\*.c) */
#define SDL_FILESYSTEM_DUMMY 1
#endif /* SDL_config_minimal_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_pandora_h_
#define SDL_config_pandora_h_
#define SDL_config_h_
/* This is a set of defines to configure the SDL features */
/* General platform specific identifiers */
#include "SDL_platform.h"
#ifdef __LP64__
#define SIZEOF_VOIDP 8
#else
#define SIZEOF_VOIDP 4
#endif
#define SDL_BYTEORDER 1234
#define HAVE_ALLOCA_H 1
#define HAVE_SYS_TYPES_H 1
#define HAVE_STDIO_H 1
#define STDC_HEADERS 1
#define HAVE_STDLIB_H 1
#define HAVE_STDARG_H 1
#define HAVE_MALLOC_H 1
#define HAVE_MEMORY_H 1
#define HAVE_STRING_H 1
#define HAVE_STRINGS_H 1
#define HAVE_INTTYPES_H 1
#define HAVE_STDINT_H 1
#define HAVE_CTYPE_H 1
#define HAVE_MATH_H 1
#define HAVE_ICONV_H 1
#define HAVE_SIGNAL_H 1
#define HAVE_MALLOC 1
#define HAVE_CALLOC 1
#define HAVE_REALLOC 1
#define HAVE_FREE 1
#define HAVE_ALLOCA 1
#define HAVE_GETENV 1
#define HAVE_SETENV 1
#define HAVE_PUTENV 1
#define HAVE_UNSETENV 1
#define HAVE_QSORT 1
#define HAVE_ABS 1
#define HAVE_BCOPY 1
#define HAVE_MEMSET 1
#define HAVE_MEMCPY 1
#define HAVE_MEMMOVE 1
#define HAVE_STRLEN 1
#define HAVE_STRDUP 1
#define HAVE_STRCHR 1
#define HAVE_STRRCHR 1
#define HAVE_STRSTR 1
#define HAVE_STRTOL 1
#define HAVE_STRTOUL 1
#define HAVE_STRTOLL 1
#define HAVE_STRTOULL 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE_STRCASECMP 1
#define HAVE_STRNCASECMP 1
#define HAVE_VSSCANF 1
#define HAVE_VSNPRINTF 1
#define HAVE_M_PI 1
#define HAVE_CEIL 1
#define HAVE_COPYSIGN 1
#define HAVE_COS 1
#define HAVE_COSF 1
#define HAVE_FABS 1
#define HAVE_FLOOR 1
#define HAVE_LOG 1
#define HAVE_SCALBN 1
#define HAVE_SIN 1
#define HAVE_SINF 1
#define HAVE_SQRT 1
#define HAVE_SQRTF 1
#define HAVE_TAN 1
#define HAVE_TANF 1
#define HAVE_SIGACTION 1
#define HAVE_SETJMP 1
#define HAVE_NANOSLEEP 1
#define SDL_AUDIO_DRIVER_DUMMY 1
#define SDL_AUDIO_DRIVER_OSS 1
#define SDL_INPUT_LINUXEV 1
#define SDL_INPUT_TSLIB 1
#define SDL_JOYSTICK_LINUX 1
#define SDL_HAPTIC_LINUX 1
#define SDL_LOADSO_DLOPEN 1
#define SDL_THREAD_PTHREAD 1
#define SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP 1
#define SDL_TIMER_UNIX 1
#define SDL_FILESYSTEM_UNIX 1
#define SDL_VIDEO_DRIVER_DUMMY 1
#define SDL_VIDEO_DRIVER_X11 1
#define SDL_VIDEO_DRIVER_PANDORA 1
#define SDL_VIDEO_RENDER_OGL_ES 1
#define SDL_VIDEO_OPENGL_ES 1
#endif /* SDL_config_pandora_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_psp_h_
#define SDL_config_psp_h_
#define SDL_config_h_
#include "SDL_platform.h"
#ifdef __GNUC__
#define HAVE_GCC_SYNC_LOCK_TEST_AND_SET 1
#endif
#define HAVE_GCC_ATOMICS 1
#define HAVE_ALLOCA_H 1
#define HAVE_SYS_TYPES_H 1
#define HAVE_STDIO_H 1
#define STDC_HEADERS 1
#define HAVE_STRING_H 1
#define HAVE_INTTYPES_H 1
#define HAVE_STDINT_H 1
#define HAVE_CTYPE_H 1
#define HAVE_MATH_H 1
#define HAVE_SIGNAL_H 1
/* C library functions */
#define HAVE_MALLOC 1
#define HAVE_CALLOC 1
#define HAVE_REALLOC 1
#define HAVE_FREE 1
#define HAVE_ALLOCA 1
#define HAVE_GETENV 1
#define HAVE_SETENV 1
#define HAVE_PUTENV 1
#define HAVE_SETENV 1
#define HAVE_UNSETENV 1
#define HAVE_QSORT 1
#define HAVE_ABS 1
#define HAVE_BCOPY 1
#define HAVE_MEMSET 1
#define HAVE_MEMCPY 1
#define HAVE_MEMMOVE 1
#define HAVE_MEMCMP 1
#define HAVE_STRLEN 1
#define HAVE_STRLCPY 1
#define HAVE_STRLCAT 1
#define HAVE_STRDUP 1
#define HAVE_STRCHR 1
#define HAVE_STRRCHR 1
#define HAVE_STRSTR 1
#define HAVE_STRTOL 1
#define HAVE_STRTOUL 1
#define HAVE_STRTOLL 1
#define HAVE_STRTOULL 1
#define HAVE_STRTOD 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE_STRCASECMP 1
#define HAVE_STRNCASECMP 1
#define HAVE_VSSCANF 1
#define HAVE_VSNPRINTF 1
#define HAVE_M_PI 1
#define HAVE_ATAN 1
#define HAVE_ATAN2 1
#define HAVE_ACOS 1
#define HAVE_ASIN 1
#define HAVE_CEIL 1
#define HAVE_COPYSIGN 1
#define HAVE_COS 1
#define HAVE_COSF 1
#define HAVE_FABS 1
#define HAVE_FLOOR 1
#define HAVE_LOG 1
#define HAVE_POW 1
#define HAVE_SCALBN 1
#define HAVE_SIN 1
#define HAVE_SINF 1
#define HAVE_SQRT 1
#define HAVE_SQRTF 1
#define HAVE_TAN 1
#define HAVE_TANF 1
#define HAVE_SETJMP 1
#define HAVE_NANOSLEEP 1
/* #define HAVE_SYSCONF 1 */
/* #define HAVE_SIGACTION 1 */
/* PSP isn't that sophisticated */
#define LACKS_SYS_MMAN_H 1
/* Enable the stub thread support (src/thread/psp/\*.c) */
#define SDL_THREAD_PSP 1
/* Enable the stub timer support (src/timer/psp/\*.c) */
#define SDL_TIMERS_PSP 1
/* Enable the stub joystick driver (src/joystick/psp/\*.c) */
#define SDL_JOYSTICK_PSP 1
/* Enable the stub audio driver (src/audio/psp/\*.c) */
#define SDL_AUDIO_DRIVER_PSP 1
/* PSP video dirver */
#define SDL_VIDEO_DRIVER_PSP 1
/* PSP render dirver */
#define SDL_VIDEO_RENDER_PSP 1
#define SDL_POWER_PSP 1
/* !!! FIXME: what does PSP do for filesystem stuff? */
#define SDL_FILESYSTEM_DUMMY 1
/* PSP doesn't have haptic device (src/haptic/dummy/\*.c) */
#define SDL_HAPTIC_DISABLED 1
/* PSP can't load shared object (src/loadso/dummy/\*.c) */
#define SDL_LOADSO_DISABLED 1
#endif /* SDL_config_psp_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_windows_h_
#define SDL_config_windows_h_
#define SDL_config_h_
#include "SDL_platform.h"
/* This is a set of defines to configure the SDL features */
#if !defined(_STDINT_H_) && (!defined(HAVE_STDINT_H) || !_HAVE_STDINT_H)
#if defined(__GNUC__) || defined(__DMC__) || defined(__WATCOMC__)
#define HAVE_STDINT_H 1
#elif defined(_MSC_VER)
typedef signed __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef signed __int16 int16_t;
typedef unsigned __int16 uint16_t;
typedef signed __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef signed __int64 int64_t;
typedef unsigned __int64 uint64_t;
#ifndef _UINTPTR_T_DEFINED
#ifdef _WIN64
typedef unsigned __int64 uintptr_t;
#else
typedef unsigned int uintptr_t;
#endif
#define _UINTPTR_T_DEFINED
#endif
/* Older Visual C++ headers don't have the Win64-compatible typedefs... */
#if ((_MSC_VER <= 1200) && (!defined(DWORD_PTR)))
#define DWORD_PTR DWORD
#endif
#if ((_MSC_VER <= 1200) && (!defined(LONG_PTR)))
#define LONG_PTR LONG
#endif
#else /* !__GNUC__ && !_MSC_VER */
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef signed short int16_t;
typedef unsigned short uint16_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
typedef signed long long int64_t;
typedef unsigned long long uint64_t;
#ifndef _SIZE_T_DEFINED_
#define _SIZE_T_DEFINED_
typedef unsigned int size_t;
#endif
typedef unsigned int uintptr_t;
#endif /* __GNUC__ || _MSC_VER */
#endif /* !_STDINT_H_ && !HAVE_STDINT_H */
#ifdef _WIN64
# define SIZEOF_VOIDP 8
#else
# define SIZEOF_VOIDP 4
#endif
#define HAVE_DDRAW_H 1
#define HAVE_DINPUT_H 1
#define HAVE_DSOUND_H 1
#define HAVE_DXGI_H 1
#define HAVE_XINPUT_H 1
/* This is disabled by default to avoid C runtime dependencies and manifest requirements */
#ifdef HAVE_LIBC
/* Useful headers */
#define HAVE_STDIO_H 1
#define STDC_HEADERS 1
#define HAVE_STRING_H 1
#define HAVE_CTYPE_H 1
#define HAVE_MATH_H 1
#define HAVE_SIGNAL_H 1
/* C library functions */
#define HAVE_MALLOC 1
#define HAVE_CALLOC 1
#define HAVE_REALLOC 1
#define HAVE_FREE 1
#define HAVE_ALLOCA 1
#define HAVE_QSORT 1
#define HAVE_ABS 1
#define HAVE_MEMSET 1
#define HAVE_MEMCPY 1
#define HAVE_MEMMOVE 1
#define HAVE_MEMCMP 1
#define HAVE_STRLEN 1
#define HAVE__STRREV 1
#define HAVE__STRUPR 1
#define HAVE__STRLWR 1
#define HAVE_STRCHR 1
#define HAVE_STRRCHR 1
#define HAVE_STRSTR 1
#define HAVE__LTOA 1
#define HAVE__ULTOA 1
#define HAVE_STRTOL 1
#define HAVE_STRTOUL 1
#define HAVE_STRTOD 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE__STRICMP 1
#define HAVE__STRNICMP 1
#define HAVE_ATAN 1
#define HAVE_ATAN2 1
#define HAVE_ACOS 1
#define HAVE_ASIN 1
#define HAVE_CEIL 1
#define HAVE_COS 1
#define HAVE_COSF 1
#define HAVE_FABS 1
#define HAVE_FLOOR 1
#define HAVE_LOG 1
#define HAVE_POW 1
#define HAVE_SIN 1
#define HAVE_SINF 1
#define HAVE_SQRT 1
#define HAVE_SQRTF 1
#define HAVE_TAN 1
#define HAVE_TANF 1
#if _MSC_VER >= 1800
#define HAVE_STRTOLL 1
#define HAVE_VSSCANF 1
#define HAVE_COPYSIGN 1
#define HAVE_SCALBN 1
#endif
#if !defined(_MSC_VER) || defined(_USE_MATH_DEFINES)
#define HAVE_M_PI 1
#endif
#else
#define HAVE_STDARG_H 1
#define HAVE_STDDEF_H 1
#endif
/* Enable various audio drivers */
#define SDL_AUDIO_DRIVER_WASAPI 1
#define SDL_AUDIO_DRIVER_DSOUND 1
#define SDL_AUDIO_DRIVER_XAUDIO2 0
#define SDL_AUDIO_DRIVER_WINMM 1
#define SDL_AUDIO_DRIVER_DISK 1
#define SDL_AUDIO_DRIVER_DUMMY 1
/* Enable various input drivers */
#define SDL_JOYSTICK_DINPUT 1
#define SDL_JOYSTICK_XINPUT 1
#define SDL_HAPTIC_DINPUT 1
#define SDL_HAPTIC_XINPUT 1
/* Enable various shared object loading systems */
#define SDL_LOADSO_WINDOWS 1
/* Enable various threading systems */
#define SDL_THREAD_WINDOWS 1
/* Enable various timer systems */
#define SDL_TIMER_WINDOWS 1
/* Enable various video drivers */
#define SDL_VIDEO_DRIVER_DUMMY 1
#define SDL_VIDEO_DRIVER_WINDOWS 1
#ifndef SDL_VIDEO_RENDER_D3D
#define SDL_VIDEO_RENDER_D3D 1
#endif
#ifndef SDL_VIDEO_RENDER_D3D11
#define SDL_VIDEO_RENDER_D3D11 0
#endif
/* Enable OpenGL support */
#ifndef SDL_VIDEO_OPENGL
#define SDL_VIDEO_OPENGL 1
#endif
#ifndef SDL_VIDEO_OPENGL_WGL
#define SDL_VIDEO_OPENGL_WGL 1
#endif
#ifndef SDL_VIDEO_RENDER_OGL
#define SDL_VIDEO_RENDER_OGL 1
#endif
#ifndef SDL_VIDEO_RENDER_OGL_ES2
#define SDL_VIDEO_RENDER_OGL_ES2 1
#endif
#ifndef SDL_VIDEO_OPENGL_ES2
#define SDL_VIDEO_OPENGL_ES2 1
#endif
#ifndef SDL_VIDEO_OPENGL_EGL
#define SDL_VIDEO_OPENGL_EGL 1
#endif
/* Enable Vulkan support */
#define SDL_VIDEO_VULKAN 1
/* Enable system power support */
#define SDL_POWER_WINDOWS 1
/* Enable filesystem support */
#define SDL_FILESYSTEM_WINDOWS 1
/* Enable assembly routines (Win64 doesn't have inline asm) */
#ifndef _WIN64
#define SDL_ASSEMBLY_ROUTINES 1
#endif
#endif /* SDL_config_windows_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_winrt_h_
#define SDL_config_winrt_h_
#define SDL_config_h_
#include "SDL_platform.h"
/* Make sure the Windows SDK's NTDDI_VERSION macro gets defined. This is used
by SDL to determine which version of the Windows SDK is being used.
*/
#include <sdkddkver.h>
/* Define possibly-undefined NTDDI values (used when compiling SDL against
older versions of the Windows SDK.
*/
#ifndef NTDDI_WINBLUE
#define NTDDI_WINBLUE 0x06030000
#endif
#ifndef NTDDI_WIN10
#define NTDDI_WIN10 0x0A000000
#endif
/* This is a set of defines to configure the SDL features */
#if !defined(_STDINT_H_) && (!defined(HAVE_STDINT_H) || !_HAVE_STDINT_H)
#if defined(__GNUC__) || defined(__DMC__) || defined(__WATCOMC__)
#define HAVE_STDINT_H 1
#elif defined(_MSC_VER)
typedef signed __int8 int8_t;
typedef unsigned __int8 uint8_t;
typedef signed __int16 int16_t;
typedef unsigned __int16 uint16_t;
typedef signed __int32 int32_t;
typedef unsigned __int32 uint32_t;
typedef signed __int64 int64_t;
typedef unsigned __int64 uint64_t;
#ifndef _UINTPTR_T_DEFINED
#ifdef _WIN64
typedef unsigned __int64 uintptr_t;
#else
typedef unsigned int uintptr_t;
#endif
#define _UINTPTR_T_DEFINED
#endif
/* Older Visual C++ headers don't have the Win64-compatible typedefs... */
#if ((_MSC_VER <= 1200) && (!defined(DWORD_PTR)))
#define DWORD_PTR DWORD
#endif
#if ((_MSC_VER <= 1200) && (!defined(LONG_PTR)))
#define LONG_PTR LONG
#endif
#else /* !__GNUC__ && !_MSC_VER */
typedef signed char int8_t;
typedef unsigned char uint8_t;
typedef signed short int16_t;
typedef unsigned short uint16_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
typedef signed long long int64_t;
typedef unsigned long long uint64_t;
#ifndef _SIZE_T_DEFINED_
#define _SIZE_T_DEFINED_
typedef unsigned int size_t;
#endif
typedef unsigned int uintptr_t;
#endif /* __GNUC__ || _MSC_VER */
#endif /* !_STDINT_H_ && !HAVE_STDINT_H */
#ifdef _WIN64
# define SIZEOF_VOIDP 8
#else
# define SIZEOF_VOIDP 4
#endif
/* Useful headers */
#define HAVE_DXGI_H 1
#if WINAPI_FAMILY != WINAPI_FAMILY_PHONE_APP
#define HAVE_XINPUT_H 1
#endif
#define HAVE_LIBC 1
#define HAVE_STDIO_H 1
#define STDC_HEADERS 1
#define HAVE_STRING_H 1
#define HAVE_CTYPE_H 1
#define HAVE_MATH_H 1
#define HAVE_FLOAT_H 1
#define HAVE_SIGNAL_H 1
/* C library functions */
#define HAVE_MALLOC 1
#define HAVE_CALLOC 1
#define HAVE_REALLOC 1
#define HAVE_FREE 1
#define HAVE_ALLOCA 1
#define HAVE_QSORT 1
#define HAVE_ABS 1
#define HAVE_MEMSET 1
#define HAVE_MEMCPY 1
#define HAVE_MEMMOVE 1
#define HAVE_MEMCMP 1
#define HAVE_STRLEN 1
#define HAVE__STRREV 1
#define HAVE__STRUPR 1
//#define HAVE__STRLWR 1 // TODO, WinRT: consider using _strlwr_s instead
#define HAVE_STRCHR 1
#define HAVE_STRRCHR 1
#define HAVE_STRSTR 1
//#define HAVE_ITOA 1 // TODO, WinRT: consider using _itoa_s instead
//#define HAVE__LTOA 1 // TODO, WinRT: consider using _ltoa_s instead
//#define HAVE__ULTOA 1 // TODO, WinRT: consider using _ultoa_s instead
#define HAVE_STRTOL 1
#define HAVE_STRTOUL 1
//#define HAVE_STRTOLL 1
#define HAVE_STRTOD 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE__STRICMP 1
#define HAVE__STRNICMP 1
#define HAVE_VSNPRINTF 1
//#define HAVE_SSCANF 1 // TODO, WinRT: consider using sscanf_s instead
#define HAVE_M_PI 1
#define HAVE_ATAN 1
#define HAVE_ATAN2 1
#define HAVE_CEIL 1
#define HAVE__COPYSIGN 1
#define HAVE_COS 1
#define HAVE_COSF 1
#define HAVE_FABS 1
#define HAVE_FLOOR 1
#define HAVE_LOG 1
#define HAVE_POW 1
//#define HAVE_SCALBN 1
#define HAVE__SCALB 1
#define HAVE_SIN 1
#define HAVE_SINF 1
#define HAVE_SQRT 1
#define HAVE_SQRTF 1
#define HAVE_TAN 1
#define HAVE_TANF 1
#define HAVE__FSEEKI64 1
/* Enable various audio drivers */
#define SDL_AUDIO_DRIVER_XAUDIO2 1
#define SDL_AUDIO_DRIVER_DISK 1
#define SDL_AUDIO_DRIVER_DUMMY 1
/* Enable various input drivers */
#if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP
#define SDL_JOYSTICK_DISABLED 1
#define SDL_HAPTIC_DISABLED 1
#else
#define SDL_JOYSTICK_XINPUT 1
#define SDL_HAPTIC_XINPUT 1
#endif
/* Enable various shared object loading systems */
#define SDL_LOADSO_WINDOWS 1
/* Enable various threading systems */
#if (NTDDI_VERSION >= NTDDI_WINBLUE)
#define SDL_THREAD_WINDOWS 1
#else
/* WinRT on Windows 8.0 and Windows Phone 8.0 don't support CreateThread() */
#define SDL_THREAD_STDCPP 1
#endif
/* Enable various timer systems */
#define SDL_TIMER_WINDOWS 1
/* Enable various video drivers */
#define SDL_VIDEO_DRIVER_WINRT 1
#define SDL_VIDEO_DRIVER_DUMMY 1
/* Enable OpenGL ES 2.0 (via a modified ANGLE library) */
#define SDL_VIDEO_OPENGL_ES2 1
#define SDL_VIDEO_OPENGL_EGL 1
/* Enable appropriate renderer(s) */
#define SDL_VIDEO_RENDER_D3D11 1
#if SDL_VIDEO_OPENGL_ES2
#define SDL_VIDEO_RENDER_OGL_ES2 1
#endif
/* Enable system power support */
#define SDL_POWER_WINRT 1
/* Enable assembly routines (Win64 doesn't have inline asm) */
#ifndef _WIN64
#define SDL_ASSEMBLY_ROUTINES 1
#endif
#endif /* SDL_config_winrt_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_config_wiz_h_
#define SDL_config_wiz_h_
#define SDL_config_h_
/* This is a set of defines to configure the SDL features */
/* General platform specific identifiers */
#include "SDL_platform.h"
#define SDL_BYTEORDER 1234
#define HAVE_ALLOCA_H 1
#define HAVE_SYS_TYPES_H 1
#define HAVE_STDIO_H 1
#define STDC_HEADERS 1
#define HAVE_STDLIB_H 1
#define HAVE_STDARG_H 1
#define HAVE_MALLOC_H 1
#define HAVE_MEMORY_H 1
#define HAVE_STRING_H 1
#define HAVE_STRINGS_H 1
#define HAVE_INTTYPES_H 1
#define HAVE_STDINT_H 1
#define HAVE_CTYPE_H 1
#define HAVE_MATH_H 1
#define HAVE_ICONV_H 1
#define HAVE_SIGNAL_H 1
#define HAVE_MALLOC 1
#define HAVE_CALLOC 1
#define HAVE_REALLOC 1
#define HAVE_FREE 1
#define HAVE_ALLOCA 1
#define HAVE_GETENV 1
#define HAVE_SETENV 1
#define HAVE_PUTENV 1
#define HAVE_UNSETENV 1
#define HAVE_QSORT 1
#define HAVE_ABS 1
#define HAVE_BCOPY 1
#define HAVE_MEMSET 1
#define HAVE_MEMCPY 1
#define HAVE_MEMMOVE 1
#define HAVE_STRLEN 1
#define HAVE_STRDUP 1
#define HAVE_STRCHR 1
#define HAVE_STRRCHR 1
#define HAVE_STRSTR 1
#define HAVE_STRTOL 1
#define HAVE_STRTOUL 1
#define HAVE_STRTOLL 1
#define HAVE_STRTOULL 1
#define HAVE_ATOI 1
#define HAVE_ATOF 1
#define HAVE_STRCMP 1
#define HAVE_STRNCMP 1
#define HAVE_STRCASECMP 1
#define HAVE_STRNCASECMP 1
#define HAVE_VSSCANF 1
#define HAVE_VSNPRINTF 1
#define HAVE_M_PI 1
#define HAVE_CEIL 1
#define HAVE_COPYSIGN 1
#define HAVE_COS 1
#define HAVE_COSF 1
#define HAVE_FABS 1
#define HAVE_FLOOR 1
#define HAVE_LOG 1
#define HAVE_SCALBN 1
#define HAVE_SIN 1
#define HAVE_SINF 1
#define HAVE_SQRT 1
#define HAVE_SQRTF 1
#define HAVE_TAN 1
#define HAVE_TANF 1
#define HAVE_SIGACTION 1
#define HAVE_SETJMP 1
#define HAVE_NANOSLEEP 1
#define HAVE_POW 1
#define SDL_AUDIO_DRIVER_DUMMY 1
#define SDL_AUDIO_DRIVER_OSS 1
#define SDL_INPUT_LINUXEV 1
#define SDL_INPUT_TSLIB 1
#define SDL_JOYSTICK_LINUX 1
#define SDL_HAPTIC_LINUX 1
#define SDL_LOADSO_DLOPEN 1
#define SDL_THREAD_PTHREAD 1
#define SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP 1
#define SDL_TIMER_UNIX 1
#define SDL_VIDEO_DRIVER_DUMMY 1
#define SDL_VIDEO_DRIVER_PANDORA 1
#define SDL_VIDEO_RENDER_OGL_ES 1
#define SDL_VIDEO_OPENGL_ES 1
#endif /* SDL_config_wiz_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_cpuinfo.h
*
* CPU feature detection for SDL.
*/
#ifndef SDL_cpuinfo_h_
#define SDL_cpuinfo_h_
#include "SDL_stdinc.h"
/* Need to do this here because intrin.h has C++ code in it */
/* Visual Studio 2005 has a bug where intrin.h conflicts with winnt.h */
#if defined(_MSC_VER) && (_MSC_VER >= 1500) && (defined(_M_IX86) || defined(_M_X64))
#ifdef __clang__
/* As of Clang 11, '_m_prefetchw' is conflicting with the winnt.h's version,
so we define the needed '_m_prefetch' here as a pseudo-header, until the issue is fixed. */
#ifndef __PRFCHWINTRIN_H
#define __PRFCHWINTRIN_H
static __inline__ void __attribute__((__always_inline__, __nodebug__))
_m_prefetch(void *__P)
{
__builtin_prefetch (__P, 0, 3 /* _MM_HINT_T0 */);
}
#endif /* __PRFCHWINTRIN_H */
#endif /* __clang__ */
#include <intrin.h>
#ifndef _WIN64
#ifndef __MMX__
#define __MMX__
#endif
#ifndef __3dNOW__
#define __3dNOW__
#endif
#endif
#ifndef __SSE__
#define __SSE__
#endif
#ifndef __SSE2__
#define __SSE2__
#endif
#ifndef __SSE3__
#define __SSE3__
#endif
#elif defined(__MINGW64_VERSION_MAJOR)
#include <intrin.h>
#if !defined(SDL_DISABLE_ARM_NEON_H) && defined(__ARM_NEON)
# include <arm_neon.h>
#endif
#else
/* altivec.h redefining bool causes a number of problems, see bugs 3993 and 4392, so you need to explicitly define SDL_ENABLE_ALTIVEC_H to have it included. */
#if defined(HAVE_ALTIVEC_H) && defined(__ALTIVEC__) && !defined(__APPLE_ALTIVEC__) && defined(SDL_ENABLE_ALTIVEC_H)
#include <altivec.h>
#endif
#if !defined(SDL_DISABLE_ARM_NEON_H)
# if defined(__ARM_NEON)
# include <arm_neon.h>
# elif defined(__WINDOWS__) || defined(__WINRT__)
/* Visual Studio doesn't define __ARM_ARCH, but _M_ARM (if set, always 7), and _M_ARM64 (if set, always 1). */
# if defined(_M_ARM)
# include <armintr.h>
# include <arm_neon.h>
# define __ARM_NEON 1 /* Set __ARM_NEON so that it can be used elsewhere, at compile time */
# endif
# if defined (_M_ARM64)
# include <arm64intr.h>
# include <arm64_neon.h>
# define __ARM_NEON 1 /* Set __ARM_NEON so that it can be used elsewhere, at compile time */
# endif
# endif
#endif
#endif /* compiler version */
#if defined(__3dNOW__) && !defined(SDL_DISABLE_MM3DNOW_H)
#include <mm3dnow.h>
#endif
#if defined(HAVE_IMMINTRIN_H) && !defined(SDL_DISABLE_IMMINTRIN_H)
#include <immintrin.h>
#else
#if defined(__MMX__) && !defined(SDL_DISABLE_MMINTRIN_H)
#include <mmintrin.h>
#endif
#if defined(__SSE__) && !defined(SDL_DISABLE_XMMINTRIN_H)
#include <xmmintrin.h>
#endif
#if defined(__SSE2__) && !defined(SDL_DISABLE_EMMINTRIN_H)
#include <emmintrin.h>
#endif
#if defined(__SSE3__) && !defined(SDL_DISABLE_PMMINTRIN_H)
#include <pmmintrin.h>
#endif
#endif /* HAVE_IMMINTRIN_H */
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/* This is a guess for the cacheline size used for padding.
* Most x86 processors have a 64 byte cache line.
* The 64-bit PowerPC processors have a 128 byte cache line.
* We'll use the larger value to be generally safe.
*/
#define SDL_CACHELINE_SIZE 128
/**
* Get the number of CPU cores available.
*
* \returns the total number of logical CPU cores. On CPUs that include
* technologies such as hyperthreading, the number of logical cores
* may be more than the number of physical cores.
*
* \since This function is available since SDL 2.0.0.
*/
extern DECLSPEC int SDLCALL SDL_GetCPUCount(void);
/**
* Determine the L1 cache line size of the CPU.
*
* This is useful for determining multi-threaded structure padding or SIMD
* prefetch sizes.
*
* \returns the L1 cache line size of the CPU, in bytes.
*
* \since This function is available since SDL 2.0.0.
*/
extern DECLSPEC int SDLCALL SDL_GetCPUCacheLineSize(void);
/**
* Determine whether the CPU has the RDTSC instruction.
*
* This always returns false on CPUs that aren't using Intel instruction sets.
*
* \returns SDL_TRUE if the CPU has the RDTSC instruction or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Has3DNow
* \sa SDL_HasAltiVec
* \sa SDL_HasAVX
* \sa SDL_HasAVX2
* \sa SDL_HasMMX
* \sa SDL_HasSSE
* \sa SDL_HasSSE2
* \sa SDL_HasSSE3
* \sa SDL_HasSSE41
* \sa SDL_HasSSE42
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasRDTSC(void);
/**
* Determine whether the CPU has AltiVec features.
*
* This always returns false on CPUs that aren't using PowerPC instruction
* sets.
*
* \returns SDL_TRUE if the CPU has AltiVec features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Has3DNow
* \sa SDL_HasAVX
* \sa SDL_HasAVX2
* \sa SDL_HasMMX
* \sa SDL_HasRDTSC
* \sa SDL_HasSSE
* \sa SDL_HasSSE2
* \sa SDL_HasSSE3
* \sa SDL_HasSSE41
* \sa SDL_HasSSE42
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasAltiVec(void);
/**
* Determine whether the CPU has MMX features.
*
* This always returns false on CPUs that aren't using Intel instruction sets.
*
* \returns SDL_TRUE if the CPU has MMX features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Has3DNow
* \sa SDL_HasAltiVec
* \sa SDL_HasAVX
* \sa SDL_HasAVX2
* \sa SDL_HasRDTSC
* \sa SDL_HasSSE
* \sa SDL_HasSSE2
* \sa SDL_HasSSE3
* \sa SDL_HasSSE41
* \sa SDL_HasSSE42
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasMMX(void);
/**
* Determine whether the CPU has 3DNow! features.
*
* This always returns false on CPUs that aren't using AMD instruction sets.
*
* \returns SDL_TRUE if the CPU has 3DNow! features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_HasAltiVec
* \sa SDL_HasAVX
* \sa SDL_HasAVX2
* \sa SDL_HasMMX
* \sa SDL_HasRDTSC
* \sa SDL_HasSSE
* \sa SDL_HasSSE2
* \sa SDL_HasSSE3
* \sa SDL_HasSSE41
* \sa SDL_HasSSE42
*/
extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNow(void);
/**
* Determine whether the CPU has SSE features.
*
* This always returns false on CPUs that aren't using Intel instruction sets.
*
* \returns SDL_TRUE if the CPU has SSE features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Has3DNow
* \sa SDL_HasAltiVec
* \sa SDL_HasAVX
* \sa SDL_HasAVX2
* \sa SDL_HasMMX
* \sa SDL_HasRDTSC
* \sa SDL_HasSSE2
* \sa SDL_HasSSE3
* \sa SDL_HasSSE41
* \sa SDL_HasSSE42
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE(void);
/**
* Determine whether the CPU has SSE2 features.
*
* This always returns false on CPUs that aren't using Intel instruction sets.
*
* \returns SDL_TRUE if the CPU has SSE2 features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Has3DNow
* \sa SDL_HasAltiVec
* \sa SDL_HasAVX
* \sa SDL_HasAVX2
* \sa SDL_HasMMX
* \sa SDL_HasRDTSC
* \sa SDL_HasSSE
* \sa SDL_HasSSE3
* \sa SDL_HasSSE41
* \sa SDL_HasSSE42
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE2(void);
/**
* Determine whether the CPU has SSE3 features.
*
* This always returns false on CPUs that aren't using Intel instruction sets.
*
* \returns SDL_TRUE if the CPU has SSE3 features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Has3DNow
* \sa SDL_HasAltiVec
* \sa SDL_HasAVX
* \sa SDL_HasAVX2
* \sa SDL_HasMMX
* \sa SDL_HasRDTSC
* \sa SDL_HasSSE
* \sa SDL_HasSSE2
* \sa SDL_HasSSE41
* \sa SDL_HasSSE42
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE3(void);
/**
* Determine whether the CPU has SSE4.1 features.
*
* This always returns false on CPUs that aren't using Intel instruction sets.
*
* \returns SDL_TRUE if the CPU has SSE4.1 features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Has3DNow
* \sa SDL_HasAltiVec
* \sa SDL_HasAVX
* \sa SDL_HasAVX2
* \sa SDL_HasMMX
* \sa SDL_HasRDTSC
* \sa SDL_HasSSE
* \sa SDL_HasSSE2
* \sa SDL_HasSSE3
* \sa SDL_HasSSE42
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE41(void);
/**
* Determine whether the CPU has SSE4.2 features.
*
* This always returns false on CPUs that aren't using Intel instruction sets.
*
* \returns SDL_TRUE if the CPU has SSE4.2 features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Has3DNow
* \sa SDL_HasAltiVec
* \sa SDL_HasAVX
* \sa SDL_HasAVX2
* \sa SDL_HasMMX
* \sa SDL_HasRDTSC
* \sa SDL_HasSSE
* \sa SDL_HasSSE2
* \sa SDL_HasSSE3
* \sa SDL_HasSSE41
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE42(void);
/**
* Determine whether the CPU has AVX features.
*
* This always returns false on CPUs that aren't using Intel instruction sets.
*
* \returns SDL_TRUE if the CPU has AVX features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.2.
*
* \sa SDL_Has3DNow
* \sa SDL_HasAltiVec
* \sa SDL_HasAVX2
* \sa SDL_HasMMX
* \sa SDL_HasRDTSC
* \sa SDL_HasSSE
* \sa SDL_HasSSE2
* \sa SDL_HasSSE3
* \sa SDL_HasSSE41
* \sa SDL_HasSSE42
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX(void);
/**
* Determine whether the CPU has AVX2 features.
*
* This always returns false on CPUs that aren't using Intel instruction sets.
*
* \returns SDL_TRUE if the CPU has AVX2 features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.4.
*
* \sa SDL_Has3DNow
* \sa SDL_HasAltiVec
* \sa SDL_HasAVX
* \sa SDL_HasMMX
* \sa SDL_HasRDTSC
* \sa SDL_HasSSE
* \sa SDL_HasSSE2
* \sa SDL_HasSSE3
* \sa SDL_HasSSE41
* \sa SDL_HasSSE42
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX2(void);
/**
* Determine whether the CPU has AVX-512F (foundation) features.
*
* This always returns false on CPUs that aren't using Intel instruction sets.
*
* \returns SDL_TRUE if the CPU has AVX-512F features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.9.
*
* \sa SDL_HasAVX
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX512F(void);
/**
* Determine whether the CPU has ARM SIMD (ARMv6) features.
*
* This is different from ARM NEON, which is a different instruction set.
*
* This always returns false on CPUs that aren't using ARM instruction sets.
*
* \returns SDL_TRUE if the CPU has ARM SIMD features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.12.
*
* \sa SDL_HasNEON
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasARMSIMD(void);
/**
* Determine whether the CPU has NEON (ARM SIMD) features.
*
* This always returns false on CPUs that aren't using ARM instruction sets.
*
* \returns SDL_TRUE if the CPU has ARM NEON features or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.6.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasNEON(void);
/**
* Get the amount of RAM configured in the system.
*
* \returns the amount of RAM configured in the system in MB.
*
* \since This function is available since SDL 2.0.1.
*/
extern DECLSPEC int SDLCALL SDL_GetSystemRAM(void);
/**
* Report the alignment this system needs for SIMD allocations.
*
* This will return the minimum number of bytes to which a pointer must be
* aligned to be compatible with SIMD instructions on the current machine. For
* example, if the machine supports SSE only, it will return 16, but if it
* supports AVX-512F, it'll return 64 (etc). This only reports values for
* instruction sets SDL knows about, so if your SDL build doesn't have
* SDL_HasAVX512F(), then it might return 16 for the SSE support it sees and
* not 64 for the AVX-512 instructions that exist but SDL doesn't know about.
* Plan accordingly.
*
* \returns the alignment in bytes needed for available, known SIMD
* instructions.
*
* \since This function is available since SDL 2.0.10.
*/
extern DECLSPEC size_t SDLCALL SDL_SIMDGetAlignment(void);
/**
* Allocate memory in a SIMD-friendly way.
*
* This will allocate a block of memory that is suitable for use with SIMD
* instructions. Specifically, it will be properly aligned and padded for the
* system's supported vector instructions.
*
* The memory returned will be padded such that it is safe to read or write an
* incomplete vector at the end of the memory block. This can be useful so you
* don't have to drop back to a scalar fallback at the end of your SIMD
* processing loop to deal with the final elements without overflowing the
* allocated buffer.
*
* You must free this memory with SDL_FreeSIMD(), not free() or SDL_free() or
* delete[], etc.
*
* Note that SDL will only deal with SIMD instruction sets it is aware of; for
* example, SDL 2.0.8 knows that SSE wants 16-byte vectors (SDL_HasSSE()), and
* AVX2 wants 32 bytes (SDL_HasAVX2()), but doesn't know that AVX-512 wants
* 64. To be clear: if you can't decide to use an instruction set with an
* SDL_Has*() function, don't use that instruction set with memory allocated
* through here.
*
* SDL_AllocSIMD(0) will return a non-NULL pointer, assuming the system isn't
* out of memory, but you are not allowed to dereference it (because you only
* own zero bytes of that buffer).
*
* \param len The length, in bytes, of the block to allocate. The actual
* allocated block might be larger due to padding, etc.
* \returns a pointer to the newly-allocated block, NULL if out of memory.
*
* \since This function is available since SDL 2.0.10.
*
* \sa SDL_SIMDAlignment
* \sa SDL_SIMDRealloc
* \sa SDL_SIMDFree
*/
extern DECLSPEC void * SDLCALL SDL_SIMDAlloc(const size_t len);
/**
* Reallocate memory obtained from SDL_SIMDAlloc
*
* It is not valid to use this function on a pointer from anything but
* SDL_SIMDAlloc(). It can't be used on pointers from malloc, realloc,
* SDL_malloc, memalign, new[], etc.
*
* \param mem The pointer obtained from SDL_SIMDAlloc. This function also
* accepts NULL, at which point this function is the same as
* calling SDL_SIMDAlloc with a NULL pointer.
* \param len The length, in bytes, of the block to allocated. The actual
* allocated block might be larger due to padding, etc. Passing 0
* will return a non-NULL pointer, assuming the system isn't out of
* memory.
* \returns a pointer to the newly-reallocated block, NULL if out of memory.
*
* \since This function is available since SDL 2.0.14.
*
* \sa SDL_SIMDAlignment
* \sa SDL_SIMDAlloc
* \sa SDL_SIMDFree
*/
extern DECLSPEC void * SDLCALL SDL_SIMDRealloc(void *mem, const size_t len);
/**
* Deallocate memory obtained from SDL_SIMDAlloc
*
* It is not valid to use this function on a pointer from anything but
* SDL_SIMDAlloc() or SDL_SIMDRealloc(). It can't be used on pointers from
* malloc, realloc, SDL_malloc, memalign, new[], etc.
*
* However, SDL_SIMDFree(NULL) is a legal no-op.
*
* The memory pointed to by `ptr` is no longer valid for access upon return,
* and may be returned to the system or reused by a future allocation. The
* pointer passed to this function is no longer safe to dereference once this
* function returns, and should be discarded.
*
* \param ptr The pointer, returned from SDL_SIMDAlloc or SDL_SIMDRealloc, to
* deallocate. NULL is a legal no-op.
*
* \since This function is available since SDL 2.0.10.
*
* \sa SDL_SIMDAlloc
* \sa SDL_SIMDRealloc
*/
extern DECLSPEC void SDLCALL SDL_SIMDFree(void *ptr);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_cpuinfo_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_endian.h
*
* Functions for reading and writing endian-specific values
*/
#ifndef SDL_endian_h_
#define SDL_endian_h_
#include "SDL_stdinc.h"
#if defined(_MSC_VER) && (_MSC_VER >= 1400)
/* As of Clang 11, '_m_prefetchw' is conflicting with the winnt.h's version,
so we define the needed '_m_prefetch' here as a pseudo-header, until the issue is fixed. */
#ifdef __clang__
#ifndef __PRFCHWINTRIN_H
#define __PRFCHWINTRIN_H
static __inline__ void __attribute__((__always_inline__, __nodebug__))
_m_prefetch(void *__P)
{
__builtin_prefetch (__P, 0, 3 /* _MM_HINT_T0 */);
}
#endif /* __PRFCHWINTRIN_H */
#endif /* __clang__ */
#include <intrin.h>
#endif
/**
* \name The two types of endianness
*/
/* @{ */
#define SDL_LIL_ENDIAN 1234
#define SDL_BIG_ENDIAN 4321
/* @} */
#ifndef SDL_BYTEORDER /* Not defined in SDL_config.h? */
#ifdef __linux__
#include <endian.h>
#define SDL_BYTEORDER __BYTE_ORDER
#elif defined(__OpenBSD__)
#include <endian.h>
#define SDL_BYTEORDER BYTE_ORDER
#elif defined(__FreeBSD__) || defined(__NetBSD__)
#include <sys/endian.h>
#define SDL_BYTEORDER BYTE_ORDER
/* predefs from newer gcc and clang versions: */
#elif defined(__ORDER_LITTLE_ENDIAN__) && defined(__ORDER_BIG_ENDIAN__) && defined(__BYTE_ORDER__)
#if (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
#define SDL_BYTEORDER SDL_LIL_ENDIAN
#elif (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
#define SDL_BYTEORDER SDL_BIG_ENDIAN
#else
#error Unsupported endianness
#endif /**/
#else
#if defined(__hppa__) || \
defined(__m68k__) || defined(mc68000) || defined(_M_M68K) || \
(defined(__MIPS__) && defined(__MIPSEB__)) || \
defined(__ppc__) || defined(__POWERPC__) || defined(_M_PPC) || \
defined(__sparc__)
#define SDL_BYTEORDER SDL_BIG_ENDIAN
#else
#define SDL_BYTEORDER SDL_LIL_ENDIAN
#endif
#endif /* __linux__ */
#endif /* !SDL_BYTEORDER */
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \file SDL_endian.h
*/
/* various modern compilers may have builtin swap */
#if defined(__GNUC__) || defined(__clang__)
# define HAS_BUILTIN_BSWAP16 (_SDL_HAS_BUILTIN(__builtin_bswap16)) || \
(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 8))
# define HAS_BUILTIN_BSWAP32 (_SDL_HAS_BUILTIN(__builtin_bswap32)) || \
(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
# define HAS_BUILTIN_BSWAP64 (_SDL_HAS_BUILTIN(__builtin_bswap64)) || \
(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))
/* this one is broken */
# define HAS_BROKEN_BSWAP (__GNUC__ == 2 && __GNUC_MINOR__ <= 95)
#else
# define HAS_BUILTIN_BSWAP16 0
# define HAS_BUILTIN_BSWAP32 0
# define HAS_BUILTIN_BSWAP64 0
# define HAS_BROKEN_BSWAP 0
#endif
#if HAS_BUILTIN_BSWAP16
#define SDL_Swap16(x) __builtin_bswap16(x)
#elif defined(_MSC_VER) && (_MSC_VER >= 1400)
#pragma intrinsic(_byteswap_ushort)
#define SDL_Swap16(x) _byteswap_ushort(x)
#elif defined(__i386__) && !HAS_BROKEN_BSWAP
SDL_FORCE_INLINE Uint16
SDL_Swap16(Uint16 x)
{
__asm__("xchgb %b0,%h0": "=q"(x):"0"(x));
return x;
}
#elif defined(__x86_64__)
SDL_FORCE_INLINE Uint16
SDL_Swap16(Uint16 x)
{
__asm__("xchgb %b0,%h0": "=Q"(x):"0"(x));
return x;
}
#elif (defined(__powerpc__) || defined(__ppc__))
SDL_FORCE_INLINE Uint16
SDL_Swap16(Uint16 x)
{
int result;
__asm__("rlwimi %0,%2,8,16,23": "=&r"(result):"0"(x >> 8), "r"(x));
return (Uint16)result;
}
#elif (defined(__m68k__) && !defined(__mcoldfire__))
SDL_FORCE_INLINE Uint16
SDL_Swap16(Uint16 x)
{
__asm__("rorw #8,%0": "=d"(x): "0"(x):"cc");
return x;
}
#elif defined(__WATCOMC__) && defined(__386__)
extern __inline Uint16 SDL_Swap16(Uint16);
#pragma aux SDL_Swap16 = \
"xchg al, ah" \
parm [ax] \
modify [ax];
#else
SDL_FORCE_INLINE Uint16
SDL_Swap16(Uint16 x)
{
return SDL_static_cast(Uint16, ((x << 8) | (x >> 8)));
}
#endif
#if HAS_BUILTIN_BSWAP32
#define SDL_Swap32(x) __builtin_bswap32(x)
#elif defined(_MSC_VER) && (_MSC_VER >= 1400)
#pragma intrinsic(_byteswap_ulong)
#define SDL_Swap32(x) _byteswap_ulong(x)
#elif defined(__i386__) && !HAS_BROKEN_BSWAP
SDL_FORCE_INLINE Uint32
SDL_Swap32(Uint32 x)
{
__asm__("bswap %0": "=r"(x):"0"(x));
return x;
}
#elif defined(__x86_64__)
SDL_FORCE_INLINE Uint32
SDL_Swap32(Uint32 x)
{
__asm__("bswapl %0": "=r"(x):"0"(x));
return x;
}
#elif (defined(__powerpc__) || defined(__ppc__))
SDL_FORCE_INLINE Uint32
SDL_Swap32(Uint32 x)
{
Uint32 result;
__asm__("rlwimi %0,%2,24,16,23": "=&r"(result): "0" (x>>24), "r"(x));
__asm__("rlwimi %0,%2,8,8,15" : "=&r"(result): "0" (result), "r"(x));
__asm__("rlwimi %0,%2,24,0,7" : "=&r"(result): "0" (result), "r"(x));
return result;
}
#elif (defined(__m68k__) && !defined(__mcoldfire__))
SDL_FORCE_INLINE Uint32
SDL_Swap32(Uint32 x)
{
__asm__("rorw #8,%0\n\tswap %0\n\trorw #8,%0": "=d"(x): "0"(x):"cc");
return x;
}
#elif defined(__WATCOMC__) && defined(__386__)
extern __inline Uint32 SDL_Swap32(Uint32);
#pragma aux SDL_Swap32 = \
"bswap eax" \
parm [eax] \
modify [eax];
#else
SDL_FORCE_INLINE Uint32
SDL_Swap32(Uint32 x)
{
return SDL_static_cast(Uint32, ((x << 24) | ((x << 8) & 0x00FF0000) |
((x >> 8) & 0x0000FF00) | (x >> 24)));
}
#endif
#if HAS_BUILTIN_BSWAP64
#define SDL_Swap64(x) __builtin_bswap64(x)
#elif defined(_MSC_VER) && (_MSC_VER >= 1400)
#pragma intrinsic(_byteswap_uint64)
#define SDL_Swap64(x) _byteswap_uint64(x)
#elif defined(__i386__) && !HAS_BROKEN_BSWAP
SDL_FORCE_INLINE Uint64
SDL_Swap64(Uint64 x)
{
union {
struct {
Uint32 a, b;
} s;
Uint64 u;
} v;
v.u = x;
__asm__("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
: "=r"(v.s.a), "=r"(v.s.b)
: "0" (v.s.a), "1"(v.s.b));
return v.u;
}
#elif defined(__x86_64__)
SDL_FORCE_INLINE Uint64
SDL_Swap64(Uint64 x)
{
__asm__("bswapq %0": "=r"(x):"0"(x));
return x;
}
#elif defined(__WATCOMC__) && defined(__386__)
extern __inline Uint64 SDL_Swap64(Uint64);
#pragma aux SDL_Swap64 = \
"bswap eax" \
"bswap edx" \
"xchg eax,edx" \
parm [eax edx] \
modify [eax edx];
#else
SDL_FORCE_INLINE Uint64
SDL_Swap64(Uint64 x)
{
Uint32 hi, lo;
/* Separate into high and low 32-bit values and swap them */
lo = SDL_static_cast(Uint32, x & 0xFFFFFFFF);
x >>= 32;
hi = SDL_static_cast(Uint32, x & 0xFFFFFFFF);
x = SDL_Swap32(lo);
x <<= 32;
x |= SDL_Swap32(hi);
return (x);
}
#endif
SDL_FORCE_INLINE float
SDL_SwapFloat(float x)
{
union {
float f;
Uint32 ui32;
} swapper;
swapper.f = x;
swapper.ui32 = SDL_Swap32(swapper.ui32);
return swapper.f;
}
/* remove extra macros */
#undef HAS_BROKEN_BSWAP
#undef HAS_BUILTIN_BSWAP16
#undef HAS_BUILTIN_BSWAP32
#undef HAS_BUILTIN_BSWAP64
/**
* \name Swap to native
* Byteswap item from the specified endianness to the native endianness.
*/
/* @{ */
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
#define SDL_SwapLE16(X) (X)
#define SDL_SwapLE32(X) (X)
#define SDL_SwapLE64(X) (X)
#define SDL_SwapFloatLE(X) (X)
#define SDL_SwapBE16(X) SDL_Swap16(X)
#define SDL_SwapBE32(X) SDL_Swap32(X)
#define SDL_SwapBE64(X) SDL_Swap64(X)
#define SDL_SwapFloatBE(X) SDL_SwapFloat(X)
#else
#define SDL_SwapLE16(X) SDL_Swap16(X)
#define SDL_SwapLE32(X) SDL_Swap32(X)
#define SDL_SwapLE64(X) SDL_Swap64(X)
#define SDL_SwapFloatLE(X) SDL_SwapFloat(X)
#define SDL_SwapBE16(X) (X)
#define SDL_SwapBE32(X) (X)
#define SDL_SwapBE64(X) (X)
#define SDL_SwapFloatBE(X) (X)
#endif
/* @} *//* Swap to native */
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_endian_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_error.h
*
* Simple error message routines for SDL.
*/
#ifndef SDL_error_h_
#define SDL_error_h_
#include "SDL_stdinc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/* Public functions */
/**
* Set the SDL error message for the current thread.
*
* Calling this function will replace any previous error message that was set.
*
* This function always returns -1, since SDL frequently uses -1 to signify an
* failing result, leading to this idiom:
*
* ```c
* if (error_code) {
* return SDL_SetError("This operation has failed: %d", error_code);
* }
* ```
*
* \param fmt a printf()-style message format string
* \param ... additional parameters matching % tokens in the `fmt` string, if
* any
* \returns always -1.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_ClearError
* \sa SDL_GetError
*/
extern DECLSPEC int SDLCALL SDL_SetError(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(1);
/**
* Retrieve a message about the last error that occurred on the current
* thread.
*
* It is possible for multiple errors to occur before calling SDL_GetError().
* Only the last error is returned.
*
* The message is only applicable when an SDL function has signaled an error.
* You must check the return values of SDL function calls to determine when to
* appropriately call SDL_GetError(). You should *not* use the results of
* SDL_GetError() to decide if an error has occurred! Sometimes SDL will set
* an error string even when reporting success.
*
* SDL will *not* clear the error string for successful API calls. You *must*
* check return values for failure cases before you can assume the error
* string applies.
*
* Error strings are set per-thread, so an error set in a different thread
* will not interfere with the current thread's operation.
*
* The returned string is internally allocated and must not be freed by the
* application.
*
* \returns a message with information about the specific error that occurred,
* or an empty string if there hasn't been an error message set since
* the last call to SDL_ClearError(). The message is only applicable
* when an SDL function has signaled an error. You must check the
* return values of SDL function calls to determine when to
* appropriately call SDL_GetError().
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_ClearError
* \sa SDL_SetError
*/
extern DECLSPEC const char *SDLCALL SDL_GetError(void);
/**
* Get the last error message that was set for the current thread.
*
* This allows the caller to copy the error string into a provided buffer, but
* otherwise operates exactly the same as SDL_GetError().
*
* \param errstr A buffer to fill with the last error message that was set for
* the current thread
* \param maxlen The size of the buffer pointed to by the errstr parameter
* \returns the pointer passed in as the `errstr` parameter.
*
* \since This function is available since SDL 2.0.14.
*
* \sa SDL_GetError
*/
extern DECLSPEC char * SDLCALL SDL_GetErrorMsg(char *errstr, int maxlen);
/**
* Clear any previous error message for this thread.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetError
* \sa SDL_SetError
*/
extern DECLSPEC void SDLCALL SDL_ClearError(void);
/**
* \name Internal error functions
*
* \internal
* Private error reporting function - used internally.
*/
/* @{ */
#define SDL_OutOfMemory() SDL_Error(SDL_ENOMEM)
#define SDL_Unsupported() SDL_Error(SDL_UNSUPPORTED)
#define SDL_InvalidParamError(param) SDL_SetError("Parameter '%s' is invalid", (param))
typedef enum
{
SDL_ENOMEM,
SDL_EFREAD,
SDL_EFWRITE,
SDL_EFSEEK,
SDL_UNSUPPORTED,
SDL_LASTERROR
} SDL_errorcode;
/* SDL_Error() unconditionally returns -1. */
extern DECLSPEC int SDLCALL SDL_Error(SDL_errorcode code);
/* @} *//* Internal error functions */
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_error_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_filesystem.h
*
* \brief Include file for filesystem SDL API functions
*/
#ifndef SDL_filesystem_h_
#define SDL_filesystem_h_
#include "SDL_stdinc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* Get the directory where the application was run from.
*
* This is not necessarily a fast call, so you should call this once near
* startup and save the string if you need it.
*
* **Mac OS X and iOS Specific Functionality**: If the application is in a
* ".app" bundle, this function returns the Resource directory (e.g.
* MyApp.app/Contents/Resources/). This behaviour can be overridden by adding
* a property to the Info.plist file. Adding a string key with the name
* SDL_FILESYSTEM_BASE_DIR_TYPE with a supported value will change the
* behaviour.
*
* Supported values for the SDL_FILESYSTEM_BASE_DIR_TYPE property (Given an
* application in /Applications/SDLApp/MyApp.app):
*
* - `resource`: bundle resource directory (the default). For example:
* `/Applications/SDLApp/MyApp.app/Contents/Resources`
* - `bundle`: the Bundle directory. For example:
* `/Applications/SDLApp/MyApp.app/`
* - `parent`: the containing directory of the bundle. For example:
* `/Applications/SDLApp/`
*
* The returned path is guaranteed to end with a path separator ('\' on
* Windows, '/' on most other platforms).
*
* The pointer returned is owned by the caller. Please call SDL_free() on the
* pointer when done with it.
*
* \returns an absolute path in UTF-8 encoding to the application data
* directory. NULL will be returned on error or when the platform
* doesn't implement this functionality, call SDL_GetError() for more
* information.
*
* \since This function is available since SDL 2.0.1.
*
* \sa SDL_GetPrefPath
*/
extern DECLSPEC char *SDLCALL SDL_GetBasePath(void);
/**
* Get the user-and-app-specific path where files can be written.
*
* Get the "pref dir". This is meant to be where users can write personal
* files (preferences and save games, etc) that are specific to your
* application. This directory is unique per user, per application.
*
* This function will decide the appropriate location in the native
* filesystem, create the directory if necessary, and return a string of the
* absolute path to the directory in UTF-8 encoding.
*
* On Windows, the string might look like:
*
* `C:\\Users\\bob\\AppData\\Roaming\\My Company\\My Program Name\\`
*
* On Linux, the string might look like"
*
* `/home/bob/.local/share/My Program Name/`
*
* On Mac OS X, the string might look like:
*
* `/Users/bob/Library/Application Support/My Program Name/`
*
* You should assume the path returned by this function is the only safe place
* to write files (and that SDL_GetBasePath(), while it might be writable, or
* even the parent of the returned path, isn't where you should be writing
* things).
*
* Both the org and app strings may become part of a directory name, so please
* follow these rules:
*
* - Try to use the same org string (_including case-sensitivity_) for all
* your applications that use this function.
* - Always use a unique app string for each one, and make sure it never
* changes for an app once you've decided on it.
* - Unicode characters are legal, as long as it's UTF-8 encoded, but...
* - ...only use letters, numbers, and spaces. Avoid punctuation like "Game
* Name 2: Bad Guy's Revenge!" ... "Game Name 2" is sufficient.
*
* The returned path is guaranteed to end with a path separator ('\' on
* Windows, '/' on most other platforms).
*
* The pointer returned is owned by the caller. Please call SDL_free() on the
* pointer when done with it.
*
* \param org the name of your organization
* \param app the name of your application
* \returns a UTF-8 string of the user directory in platform-dependent
* notation. NULL if there's a problem (creating directory failed,
* etc.).
*
* \since This function is available since SDL 2.0.1.
*
* \sa SDL_GetBasePath
*/
extern DECLSPEC char *SDLCALL SDL_GetPrefPath(const char *org, const char *app);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_filesystem_h_ */
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_gesture.h
*
* Include file for SDL gesture event handling.
*/
#ifndef SDL_gesture_h_
#define SDL_gesture_h_
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "SDL_video.h"
#include "SDL_touch.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
typedef Sint64 SDL_GestureID;
/* Function prototypes */
/**
* Begin recording a gesture on a specified touch device or all touch devices.
*
* If the parameter `touchId` is -1 (i.e., all devices), this function will
* always return 1, regardless of whether there actually are any devices.
*
* \param touchId the touch device id, or -1 for all touch devices
* \returns 1 on success or 0 if the specified device could not be found.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetTouchDevice
*/
extern DECLSPEC int SDLCALL SDL_RecordGesture(SDL_TouchID touchId);
/**
* Save all currently loaded Dollar Gesture templates.
*
* \param dst a SDL_RWops to save to
* \returns the number of saved templates on success or 0 on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_LoadDollarTemplates
* \sa SDL_SaveDollarTemplate
*/
extern DECLSPEC int SDLCALL SDL_SaveAllDollarTemplates(SDL_RWops *dst);
/**
* Save a currently loaded Dollar Gesture template.
*
* \param gestureId a gesture id
* \param dst a SDL_RWops to save to
* \returns 1 on success or 0 on failure; call SDL_GetError() for more
* information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_LoadDollarTemplates
* \sa SDL_SaveAllDollarTemplates
*/
extern DECLSPEC int SDLCALL SDL_SaveDollarTemplate(SDL_GestureID gestureId,SDL_RWops *dst);
/**
* Load Dollar Gesture templates from a file.
*
* \param touchId a touch id
* \param src a SDL_RWops to load from
* \returns the number of loaded templates on success or a negative error code
* (or 0) on failure; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_SaveAllDollarTemplates
* \sa SDL_SaveDollarTemplate
*/
extern DECLSPEC int SDLCALL SDL_LoadDollarTemplates(SDL_TouchID touchId, SDL_RWops *src);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_gesture_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_hidapi.h
*
* Header file for SDL HIDAPI functions.
*
* This is an adaptation of the original HIDAPI interface by Alan Ott,
* and includes source code licensed under the following BSD license:
*
Copyright (c) 2010, Alan Ott, Signal 11 Software
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of Signal 11 Software nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*
* If you would like a version of SDL without this code, you can build SDL
* with SDL_HIDAPI_DISABLED defined to 1. You might want to do this for example
* on iOS or tvOS to avoid a dependency on the CoreBluetooth framework.
*/
#ifndef SDL_hidapi_h_
#define SDL_hidapi_h_
#include "SDL_stdinc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief A handle representing an open HID device
*/
struct SDL_hid_device_;
typedef struct SDL_hid_device_ SDL_hid_device; /**< opaque hidapi structure */
/** hidapi info structure */
/**
* \brief Information about a connected HID device
*/
typedef struct SDL_hid_device_info
{
/** Platform-specific device path */
char *path;
/** Device Vendor ID */
unsigned short vendor_id;
/** Device Product ID */
unsigned short product_id;
/** Serial Number */
wchar_t *serial_number;
/** Device Release Number in binary-coded decimal,
also known as Device Version Number */
unsigned short release_number;
/** Manufacturer String */
wchar_t *manufacturer_string;
/** Product string */
wchar_t *product_string;
/** Usage Page for this Device/Interface
(Windows/Mac only). */
unsigned short usage_page;
/** Usage for this Device/Interface
(Windows/Mac only).*/
unsigned short usage;
/** The USB interface which this logical device
represents.
* Valid on both Linux implementations in all cases.
* Valid on the Windows implementation only if the device
contains more than one interface. */
int interface_number;
/** Additional information about the USB interface.
Valid on libusb and Android implementations. */
int interface_class;
int interface_subclass;
int interface_protocol;
/** Pointer to the next device */
struct SDL_hid_device_info *next;
} SDL_hid_device_info;
/**
* Initialize the HIDAPI library.
*
* This function initializes the HIDAPI library. Calling it is not strictly
* necessary, as it will be called automatically by SDL_hid_enumerate() and
* any of the SDL_hid_open_*() functions if it is needed. This function should
* be called at the beginning of execution however, if there is a chance of
* HIDAPI handles being opened by different threads simultaneously.
*
* Each call to this function should have a matching call to SDL_hid_exit()
*
* \returns 0 on success and -1 on error.
*
* \since This function is available since SDL 2.0.18.
*
* \sa SDL_hid_exit
*/
extern DECLSPEC int SDLCALL SDL_hid_init(void);
/**
* Finalize the HIDAPI library.
*
* This function frees all of the static data associated with HIDAPI. It
* should be called at the end of execution to avoid memory leaks.
*
* \returns 0 on success and -1 on error.
*
* \since This function is available since SDL 2.0.18.
*
* \sa SDL_hid_init
*/
extern DECLSPEC int SDLCALL SDL_hid_exit(void);
/**
* Check to see if devices may have been added or removed.
*
* Enumerating the HID devices is an expensive operation, so you can call this
* to see if there have been any system device changes since the last call to
* this function. A change in the counter returned doesn't necessarily mean
* that anything has changed, but you can call SDL_hid_enumerate() to get an
* updated device list.
*
* Calling this function for the first time may cause a thread or other system
* resource to be allocated to track device change notifications.
*
* \returns a change counter that is incremented with each potential device
* change, or 0 if device change detection isn't available.
*
* \since This function is available since SDL 2.0.18.
*
* \sa SDL_hid_enumerate
*/
extern DECLSPEC Uint32 SDLCALL SDL_hid_device_change_count(void);
/**
* Enumerate the HID Devices.
*
* This function returns a linked list of all the HID devices attached to the
* system which match vendor_id and product_id. If `vendor_id` is set to 0
* then any vendor matches. If `product_id` is set to 0 then any product
* matches. If `vendor_id` and `product_id` are both set to 0, then all HID
* devices will be returned.
*
* \param vendor_id The Vendor ID (VID) of the types of device to open.
* \param product_id The Product ID (PID) of the types of device to open.
* \returns a pointer to a linked list of type SDL_hid_device_info, containing
* information about the HID devices attached to the system, or NULL
* in the case of failure. Free this linked list by calling
* SDL_hid_free_enumeration().
*
* \since This function is available since SDL 2.0.18.
*
* \sa SDL_hid_device_change_count
*/
extern DECLSPEC SDL_hid_device_info * SDLCALL SDL_hid_enumerate(unsigned short vendor_id, unsigned short product_id);
/**
* Free an enumeration Linked List
*
* This function frees a linked list created by SDL_hid_enumerate().
*
* \param devs Pointer to a list of struct_device returned from
* SDL_hid_enumerate().
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC void SDLCALL SDL_hid_free_enumeration(SDL_hid_device_info *devs);
/**
* Open a HID device using a Vendor ID (VID), Product ID (PID) and optionally
* a serial number.
*
* If `serial_number` is NULL, the first device with the specified VID and PID
* is opened.
*
* \param vendor_id The Vendor ID (VID) of the device to open.
* \param product_id The Product ID (PID) of the device to open.
* \param serial_number The Serial Number of the device to open (Optionally
* NULL).
* \returns a pointer to a SDL_hid_device object on success or NULL on
* failure.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC SDL_hid_device * SDLCALL SDL_hid_open(unsigned short vendor_id, unsigned short product_id, const wchar_t *serial_number);
/**
* Open a HID device by its path name.
*
* The path name be determined by calling SDL_hid_enumerate(), or a
* platform-specific path name can be used (eg: /dev/hidraw0 on Linux).
*
* \param path The path name of the device to open
* \returns a pointer to a SDL_hid_device object on success or NULL on
* failure.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC SDL_hid_device * SDLCALL SDL_hid_open_path(const char *path, int bExclusive /* = false */);
/**
* Write an Output report to a HID device.
*
* The first byte of `data` must contain the Report ID. For devices which only
* support a single report, this must be set to 0x0. The remaining bytes
* contain the report data. Since the Report ID is mandatory, calls to
* SDL_hid_write() will always contain one more byte than the report contains.
* For example, if a hid report is 16 bytes long, 17 bytes must be passed to
* SDL_hid_write(), the Report ID (or 0x0, for devices with a single report),
* followed by the report data (16 bytes). In this example, the length passed
* in would be 17.
*
* SDL_hid_write() will send the data on the first OUT endpoint, if one
* exists. If it does not, it will send the data through the Control Endpoint
* (Endpoint 0).
*
* \param dev A device handle returned from SDL_hid_open().
* \param data The data to send, including the report number as the first
* byte.
* \param length The length in bytes of the data to send.
* \returns the actual number of bytes written and -1 on error.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC int SDLCALL SDL_hid_write(SDL_hid_device *dev, const unsigned char *data, size_t length);
/**
* Read an Input report from a HID device with timeout.
*
* Input reports are returned to the host through the INTERRUPT IN endpoint.
* The first byte will contain the Report number if the device uses numbered
* reports.
*
* \param dev A device handle returned from SDL_hid_open().
* \param data A buffer to put the read data into.
* \param length The number of bytes to read. For devices with multiple
* reports, make sure to read an extra byte for the report
* number.
* \param milliseconds timeout in milliseconds or -1 for blocking wait.
* \returns the actual number of bytes read and -1 on error. If no packet was
* available to be read within the timeout period, this function
* returns 0.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC int SDLCALL SDL_hid_read_timeout(SDL_hid_device *dev, unsigned char *data, size_t length, int milliseconds);
/**
* Read an Input report from a HID device.
*
* Input reports are returned to the host through the INTERRUPT IN endpoint.
* The first byte will contain the Report number if the device uses numbered
* reports.
*
* \param dev A device handle returned from SDL_hid_open().
* \param data A buffer to put the read data into.
* \param length The number of bytes to read. For devices with multiple
* reports, make sure to read an extra byte for the report
* number.
* \returns the actual number of bytes read and -1 on error. If no packet was
* available to be read and the handle is in non-blocking mode, this
* function returns 0.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC int SDLCALL SDL_hid_read(SDL_hid_device *dev, unsigned char *data, size_t length);
/**
* Set the device handle to be non-blocking.
*
* In non-blocking mode calls to SDL_hid_read() will return immediately with a
* value of 0 if there is no data to be read. In blocking mode, SDL_hid_read()
* will wait (block) until there is data to read before returning.
*
* Nonblocking can be turned on and off at any time.
*
* \param dev A device handle returned from SDL_hid_open().
* \param nonblock enable or not the nonblocking reads - 1 to enable
* nonblocking - 0 to disable nonblocking.
* \returns 0 on success and -1 on error.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC int SDLCALL SDL_hid_set_nonblocking(SDL_hid_device *dev, int nonblock);
/**
* Send a Feature report to the device.
*
* Feature reports are sent over the Control endpoint as a Set_Report
* transfer. The first byte of `data` must contain the Report ID. For devices
* which only support a single report, this must be set to 0x0. The remaining
* bytes contain the report data. Since the Report ID is mandatory, calls to
* SDL_hid_send_feature_report() will always contain one more byte than the
* report contains. For example, if a hid report is 16 bytes long, 17 bytes
* must be passed to SDL_hid_send_feature_report(): the Report ID (or 0x0, for
* devices which do not use numbered reports), followed by the report data (16
* bytes). In this example, the length passed in would be 17.
*
* \param dev A device handle returned from SDL_hid_open().
* \param data The data to send, including the report number as the first
* byte.
* \param length The length in bytes of the data to send, including the report
* number.
* \returns the actual number of bytes written and -1 on error.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC int SDLCALL SDL_hid_send_feature_report(SDL_hid_device *dev, const unsigned char *data, size_t length);
/**
* Get a feature report from a HID device.
*
* Set the first byte of `data` to the Report ID of the report to be read.
* Make sure to allow space for this extra byte in `data`. Upon return, the
* first byte will still contain the Report ID, and the report data will start
* in data[1].
*
* \param dev A device handle returned from SDL_hid_open().
* \param data A buffer to put the read data into, including the Report ID.
* Set the first byte of `data` to the Report ID of the report to
* be read, or set it to zero if your device does not use numbered
* reports.
* \param length The number of bytes to read, including an extra byte for the
* report ID. The buffer can be longer than the actual report.
* \returns the number of bytes read plus one for the report ID (which is
* still in the first byte), or -1 on error.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC int SDLCALL SDL_hid_get_feature_report(SDL_hid_device *dev, unsigned char *data, size_t length);
/**
* Close a HID device.
*
* \param dev A device handle returned from SDL_hid_open().
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC void SDLCALL SDL_hid_close(SDL_hid_device *dev);
/**
* Get The Manufacturer String from a HID device.
*
* \param dev A device handle returned from SDL_hid_open().
* \param string A wide string buffer to put the data into.
* \param maxlen The length of the buffer in multiples of wchar_t.
* \returns 0 on success and -1 on error.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC int SDLCALL SDL_hid_get_manufacturer_string(SDL_hid_device *dev, wchar_t *string, size_t maxlen);
/**
* Get The Product String from a HID device.
*
* \param dev A device handle returned from SDL_hid_open().
* \param string A wide string buffer to put the data into.
* \param maxlen The length of the buffer in multiples of wchar_t.
* \returns 0 on success and -1 on error.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC int SDLCALL SDL_hid_get_product_string(SDL_hid_device *dev, wchar_t *string, size_t maxlen);
/**
* Get The Serial Number String from a HID device.
*
* \param dev A device handle returned from SDL_hid_open().
* \param string A wide string buffer to put the data into.
* \param maxlen The length of the buffer in multiples of wchar_t.
* \returns 0 on success and -1 on error.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC int SDLCALL SDL_hid_get_serial_number_string(SDL_hid_device *dev, wchar_t *string, size_t maxlen);
/**
* Get a string from a HID device, based on its string index.
*
* \param dev A device handle returned from SDL_hid_open().
* \param string_index The index of the string to get.
* \param string A wide string buffer to put the data into.
* \param maxlen The length of the buffer in multiples of wchar_t.
* \returns 0 on success and -1 on error.
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC int SDLCALL SDL_hid_get_indexed_string(SDL_hid_device *dev, int string_index, wchar_t *string, size_t maxlen);
/**
* Start or stop a BLE scan on iOS and tvOS to pair Steam Controllers
*
* \param active SDL_TRUE to start the scan, SDL_FALSE to stop the scan
*
* \since This function is available since SDL 2.0.18.
*/
extern DECLSPEC void SDLCALL SDL_hid_ble_scan(SDL_bool active);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_hidapi_h_ */
/* vi: set sts=4 ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_joystick.h
*
* Include file for SDL joystick event handling
*
* The term "device_index" identifies currently plugged in joystick devices between 0 and SDL_NumJoysticks(), with the exact joystick
* behind a device_index changing as joysticks are plugged and unplugged.
*
* The term "instance_id" is the current instantiation of a joystick device in the system, if the joystick is removed and then re-inserted
* then it will get a new instance_id, instance_id's are monotonically increasing identifiers of a joystick plugged in.
*
* The term "player_index" is the number assigned to a player on a specific
* controller. For XInput controllers this returns the XInput user index.
* Many joysticks will not be able to supply this information.
*
* The term JoystickGUID is a stable 128-bit identifier for a joystick device that does not change over time, it identifies class of
* the device (a X360 wired controller for example). This identifier is platform dependent.
*/
#ifndef SDL_joystick_h_
#define SDL_joystick_h_
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \file SDL_joystick.h
*
* In order to use these functions, SDL_Init() must have been called
* with the ::SDL_INIT_JOYSTICK flag. This causes SDL to scan the system
* for joysticks, and load appropriate drivers.
*
* If you would like to receive joystick updates while the application
* is in the background, you should set the following hint before calling
* SDL_Init(): SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS
*/
/**
* The joystick structure used to identify an SDL joystick
*/
struct _SDL_Joystick;
typedef struct _SDL_Joystick SDL_Joystick;
/* A structure that encodes the stable unique id for a joystick device */
typedef struct {
Uint8 data[16];
} SDL_JoystickGUID;
/**
* This is a unique ID for a joystick for the time it is connected to the system,
* and is never reused for the lifetime of the application. If the joystick is
* disconnected and reconnected, it will get a new ID.
*
* The ID value starts at 0 and increments from there. The value -1 is an invalid ID.
*/
typedef Sint32 SDL_JoystickID;
typedef enum
{
SDL_JOYSTICK_TYPE_UNKNOWN,
SDL_JOYSTICK_TYPE_GAMECONTROLLER,
SDL_JOYSTICK_TYPE_WHEEL,
SDL_JOYSTICK_TYPE_ARCADE_STICK,
SDL_JOYSTICK_TYPE_FLIGHT_STICK,
SDL_JOYSTICK_TYPE_DANCE_PAD,
SDL_JOYSTICK_TYPE_GUITAR,
SDL_JOYSTICK_TYPE_DRUM_KIT,
SDL_JOYSTICK_TYPE_ARCADE_PAD,
SDL_JOYSTICK_TYPE_THROTTLE
} SDL_JoystickType;
typedef enum
{
SDL_JOYSTICK_POWER_UNKNOWN = -1,
SDL_JOYSTICK_POWER_EMPTY, /* <= 5% */
SDL_JOYSTICK_POWER_LOW, /* <= 20% */
SDL_JOYSTICK_POWER_MEDIUM, /* <= 70% */
SDL_JOYSTICK_POWER_FULL, /* <= 100% */
SDL_JOYSTICK_POWER_WIRED,
SDL_JOYSTICK_POWER_MAX
} SDL_JoystickPowerLevel;
/* Set max recognized G-force from accelerometer
See src/joystick/uikit/SDL_sysjoystick.m for notes on why this is needed
*/
#define SDL_IPHONE_MAX_GFORCE 5.0
/* Function prototypes */
/**
* Locking for multi-threaded access to the joystick API
*
* If you are using the joystick API or handling events from multiple threads
* you should use these locking functions to protect access to the joysticks.
*
* In particular, you are guaranteed that the joystick list won't change, so
* the API functions that take a joystick index will be valid, and joystick
* and game controller events will not be delivered.
*
* \since This function is available since SDL 2.0.7.
*/
extern DECLSPEC void SDLCALL SDL_LockJoysticks(void);
/**
* Unlocking for multi-threaded access to the joystick API
*
* If you are using the joystick API or handling events from multiple threads
* you should use these locking functions to protect access to the joysticks.
*
* In particular, you are guaranteed that the joystick list won't change, so
* the API functions that take a joystick index will be valid, and joystick
* and game controller events will not be delivered.
*
* \since This function is available since SDL 2.0.7.
*/
extern DECLSPEC void SDLCALL SDL_UnlockJoysticks(void);
/**
* Count the number of joysticks attached to the system.
*
* \returns the number of attached joysticks on success or a negative error
* code on failure; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickName
* \sa SDL_JoystickOpen
*/
extern DECLSPEC int SDLCALL SDL_NumJoysticks(void);
/**
* Get the implementation dependent name of a joystick.
*
* This can be called before any joysticks are opened.
*
* \param device_index the index of the joystick to query (the N'th joystick
* on the system)
* \returns the name of the selected joystick. If no name can be found, this
* function returns NULL; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickName
* \sa SDL_JoystickOpen
*/
extern DECLSPEC const char *SDLCALL SDL_JoystickNameForIndex(int device_index);
/**
* Get the player index of a joystick, or -1 if it's not available This can be
* called before any joysticks are opened.
*
* \since This function is available since SDL 2.0.9.
*/
extern DECLSPEC int SDLCALL SDL_JoystickGetDevicePlayerIndex(int device_index);
/**
* Get the implementation-dependent GUID for the joystick at a given device
* index.
*
* This function can be called before any joysticks are opened.
*
* \param device_index the index of the joystick to query (the N'th joystick
* on the system
* \returns the GUID of the selected joystick. If called on an invalid index,
* this function returns a zero GUID
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickGetGUID
* \sa SDL_JoystickGetGUIDString
*/
extern DECLSPEC SDL_JoystickGUID SDLCALL SDL_JoystickGetDeviceGUID(int device_index);
/**
* Get the USB vendor ID of a joystick, if available.
*
* This can be called before any joysticks are opened. If the vendor ID isn't
* available this function returns 0.
*
* \param device_index the index of the joystick to query (the N'th joystick
* on the system
* \returns the USB vendor ID of the selected joystick. If called on an
* invalid index, this function returns zero
*
* \since This function is available since SDL 2.0.6.
*/
extern DECLSPEC Uint16 SDLCALL SDL_JoystickGetDeviceVendor(int device_index);
/**
* Get the USB product ID of a joystick, if available.
*
* This can be called before any joysticks are opened. If the product ID isn't
* available this function returns 0.
*
* \param device_index the index of the joystick to query (the N'th joystick
* on the system
* \returns the USB product ID of the selected joystick. If called on an
* invalid index, this function returns zero
*
* \since This function is available since SDL 2.0.6.
*/
extern DECLSPEC Uint16 SDLCALL SDL_JoystickGetDeviceProduct(int device_index);
/**
* Get the product version of a joystick, if available.
*
* This can be called before any joysticks are opened. If the product version
* isn't available this function returns 0.
*
* \param device_index the index of the joystick to query (the N'th joystick
* on the system
* \returns the product version of the selected joystick. If called on an
* invalid index, this function returns zero
*
* \since This function is available since SDL 2.0.6.
*/
extern DECLSPEC Uint16 SDLCALL SDL_JoystickGetDeviceProductVersion(int device_index);
/**
* Get the type of a joystick, if available.
*
* This can be called before any joysticks are opened.
*
* \param device_index the index of the joystick to query (the N'th joystick
* on the system
* \returns the SDL_JoystickType of the selected joystick. If called on an
* invalid index, this function returns `SDL_JOYSTICK_TYPE_UNKNOWN`
*
* \since This function is available since SDL 2.0.6.
*/
extern DECLSPEC SDL_JoystickType SDLCALL SDL_JoystickGetDeviceType(int device_index);
/**
* Get the instance ID of a joystick.
*
* This can be called before any joysticks are opened. If the index is out of
* range, this function will return -1.
*
* \param device_index the index of the joystick to query (the N'th joystick
* on the system
* \returns the instance id of the selected joystick. If called on an invalid
* index, this function returns zero
*
* \since This function is available since SDL 2.0.6.
*/
extern DECLSPEC SDL_JoystickID SDLCALL SDL_JoystickGetDeviceInstanceID(int device_index);
/**
* Open a joystick for use.
*
* The `device_index` argument refers to the N'th joystick presently
* recognized by SDL on the system. It is **NOT** the same as the instance ID
* used to identify the joystick in future events. See
* SDL_JoystickInstanceID() for more details about instance IDs.
*
* The joystick subsystem must be initialized before a joystick can be opened
* for use.
*
* \param device_index the index of the joystick to query
* \returns a joystick identifier or NULL if an error occurred; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickClose
* \sa SDL_JoystickInstanceID
*/
extern DECLSPEC SDL_Joystick *SDLCALL SDL_JoystickOpen(int device_index);
/**
* Get the SDL_Joystick associated with an instance id.
*
* \param instance_id the instance id to get the SDL_Joystick for
* \returns an SDL_Joystick on success or NULL on failure; call SDL_GetError()
* for more information.
*
* \since This function is available since SDL 2.0.4.
*/
extern DECLSPEC SDL_Joystick *SDLCALL SDL_JoystickFromInstanceID(SDL_JoystickID instance_id);
/**
* Get the SDL_Joystick associated with a player index.
*
* \param player_index the player index to get the SDL_Joystick for
* \returns an SDL_Joystick on success or NULL on failure; call SDL_GetError()
* for more information.
*
* \since This function is available since SDL 2.0.12.
*/
extern DECLSPEC SDL_Joystick *SDLCALL SDL_JoystickFromPlayerIndex(int player_index);
/**
* Attach a new virtual joystick.
*
* \returns the joystick's device index, or -1 if an error occurred.
*
* \since This function is available since SDL 2.0.14.
*/
extern DECLSPEC int SDLCALL SDL_JoystickAttachVirtual(SDL_JoystickType type,
int naxes,
int nbuttons,
int nhats);
/**
* Detach a virtual joystick.
*
* \param device_index a value previously returned from
* SDL_JoystickAttachVirtual()
* \returns 0 on success, or -1 if an error occurred.
*
* \since This function is available since SDL 2.0.14.
*/
extern DECLSPEC int SDLCALL SDL_JoystickDetachVirtual(int device_index);
/**
* Query whether or not the joystick at a given device index is virtual.
*
* \param device_index a joystick device index.
* \returns SDL_TRUE if the joystick is virtual, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.14.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_JoystickIsVirtual(int device_index);
/**
* Set values on an opened, virtual-joystick's axis.
*
* Please note that values set here will not be applied until the next call to
* SDL_JoystickUpdate, which can either be called directly, or can be called
* indirectly through various other SDL APIs, including, but not limited to
* the following: SDL_PollEvent, SDL_PumpEvents, SDL_WaitEventTimeout,
* SDL_WaitEvent.
*
* \param joystick the virtual joystick on which to set state.
* \param axis the specific axis on the virtual joystick to set.
* \param value the new value for the specified axis.
* \returns 0 on success, -1 on error.
*
* \since This function is available since SDL 2.0.14.
*/
extern DECLSPEC int SDLCALL SDL_JoystickSetVirtualAxis(SDL_Joystick *joystick, int axis, Sint16 value);
/**
* Set values on an opened, virtual-joystick's button.
*
* Please note that values set here will not be applied until the next call to
* SDL_JoystickUpdate, which can either be called directly, or can be called
* indirectly through various other SDL APIs, including, but not limited to
* the following: SDL_PollEvent, SDL_PumpEvents, SDL_WaitEventTimeout,
* SDL_WaitEvent.
*
* \param joystick the virtual joystick on which to set state.
* \param button the specific button on the virtual joystick to set.
* \param value the new value for the specified button.
* \returns 0 on success, -1 on error.
*
* \since This function is available since SDL 2.0.14.
*/
extern DECLSPEC int SDLCALL SDL_JoystickSetVirtualButton(SDL_Joystick *joystick, int button, Uint8 value);
/**
* Set values on an opened, virtual-joystick's hat.
*
* Please note that values set here will not be applied until the next call to
* SDL_JoystickUpdate, which can either be called directly, or can be called
* indirectly through various other SDL APIs, including, but not limited to
* the following: SDL_PollEvent, SDL_PumpEvents, SDL_WaitEventTimeout,
* SDL_WaitEvent.
*
* \param joystick the virtual joystick on which to set state.
* \param hat the specific hat on the virtual joystick to set.
* \param value the new value for the specified hat.
* \returns 0 on success, -1 on error.
*
* \since This function is available since SDL 2.0.14.
*/
extern DECLSPEC int SDLCALL SDL_JoystickSetVirtualHat(SDL_Joystick *joystick, int hat, Uint8 value);
/**
* Get the implementation dependent name of a joystick.
*
* \param joystick the SDL_Joystick obtained from SDL_JoystickOpen()
* \returns the name of the selected joystick. If no name can be found, this
* function returns NULL; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickNameForIndex
* \sa SDL_JoystickOpen
*/
extern DECLSPEC const char *SDLCALL SDL_JoystickName(SDL_Joystick *joystick);
/**
* Get the player index of an opened joystick.
*
* For XInput controllers this returns the XInput user index. Many joysticks
* will not be able to supply this information.
*
* \param joystick the SDL_Joystick obtained from SDL_JoystickOpen()
* \returns the player index, or -1 if it's not available.
*
* \since This function is available since SDL 2.0.9.
*/
extern DECLSPEC int SDLCALL SDL_JoystickGetPlayerIndex(SDL_Joystick *joystick);
/**
* Set the player index of an opened joystick.
*
* \param joystick the SDL_Joystick obtained from SDL_JoystickOpen()
* \param player_index the player index to set.
*
* \since This function is available since SDL 2.0.12.
*/
extern DECLSPEC void SDLCALL SDL_JoystickSetPlayerIndex(SDL_Joystick *joystick, int player_index);
/**
* Get the implementation-dependent GUID for the joystick.
*
* This function requires an open joystick.
*
* \param joystick the SDL_Joystick obtained from SDL_JoystickOpen()
* \returns the GUID of the given joystick. If called on an invalid index,
* this function returns a zero GUID; call SDL_GetError() for more
* information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickGetDeviceGUID
* \sa SDL_JoystickGetGUIDString
*/
extern DECLSPEC SDL_JoystickGUID SDLCALL SDL_JoystickGetGUID(SDL_Joystick *joystick);
/**
* Get the USB vendor ID of an opened joystick, if available.
*
* If the vendor ID isn't available this function returns 0.
*
* \param joystick the SDL_Joystick obtained from SDL_JoystickOpen()
* \returns the USB vendor ID of the selected joystick, or 0 if unavailable.
*
* \since This function is available since SDL 2.0.6.
*/
extern DECLSPEC Uint16 SDLCALL SDL_JoystickGetVendor(SDL_Joystick *joystick);
/**
* Get the USB product ID of an opened joystick, if available.
*
* If the product ID isn't available this function returns 0.
*
* \param joystick the SDL_Joystick obtained from SDL_JoystickOpen()
* \returns the USB product ID of the selected joystick, or 0 if unavailable.
*
* \since This function is available since SDL 2.0.6.
*/
extern DECLSPEC Uint16 SDLCALL SDL_JoystickGetProduct(SDL_Joystick *joystick);
/**
* Get the product version of an opened joystick, if available.
*
* If the product version isn't available this function returns 0.
*
* \param joystick the SDL_Joystick obtained from SDL_JoystickOpen()
* \returns the product version of the selected joystick, or 0 if unavailable.
*
* \since This function is available since SDL 2.0.6.
*/
extern DECLSPEC Uint16 SDLCALL SDL_JoystickGetProductVersion(SDL_Joystick *joystick);
/**
* Get the serial number of an opened joystick, if available.
*
* Returns the serial number of the joystick, or NULL if it is not available.
*
* \param joystick the SDL_Joystick obtained from SDL_JoystickOpen()
* \returns the serial number of the selected joystick, or NULL if
* unavailable.
*
* \since This function is available since SDL 2.0.14.
*/
extern DECLSPEC const char * SDLCALL SDL_JoystickGetSerial(SDL_Joystick *joystick);
/**
* Get the type of an opened joystick.
*
* \param joystick the SDL_Joystick obtained from SDL_JoystickOpen()
* \returns the SDL_JoystickType of the selected joystick.
*
* \since This function is available since SDL 2.0.6.
*/
extern DECLSPEC SDL_JoystickType SDLCALL SDL_JoystickGetType(SDL_Joystick *joystick);
/**
* Get an ASCII string representation for a given SDL_JoystickGUID.
*
* You should supply at least 33 bytes for pszGUID.
*
* \param guid the SDL_JoystickGUID you wish to convert to string
* \param pszGUID buffer in which to write the ASCII string
* \param cbGUID the size of pszGUID
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickGetDeviceGUID
* \sa SDL_JoystickGetGUID
* \sa SDL_JoystickGetGUIDFromString
*/
extern DECLSPEC void SDLCALL SDL_JoystickGetGUIDString(SDL_JoystickGUID guid, char *pszGUID, int cbGUID);
/**
* Convert a GUID string into a SDL_JoystickGUID structure.
*
* Performs no error checking. If this function is given a string containing
* an invalid GUID, the function will silently succeed, but the GUID generated
* will not be useful.
*
* \param pchGUID string containing an ASCII representation of a GUID
* \returns a SDL_JoystickGUID structure.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickGetGUIDString
*/
extern DECLSPEC SDL_JoystickGUID SDLCALL SDL_JoystickGetGUIDFromString(const char *pchGUID);
/**
* Get the status of a specified joystick.
*
* \param joystick the joystick to query
* \returns SDL_TRUE if the joystick has been opened, SDL_FALSE if it has not;
* call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickClose
* \sa SDL_JoystickOpen
*/
extern DECLSPEC SDL_bool SDLCALL SDL_JoystickGetAttached(SDL_Joystick *joystick);
/**
* Get the instance ID of an opened joystick.
*
* \param joystick an SDL_Joystick structure containing joystick information
* \returns the instance ID of the specified joystick on success or a negative
* error code on failure; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickOpen
*/
extern DECLSPEC SDL_JoystickID SDLCALL SDL_JoystickInstanceID(SDL_Joystick *joystick);
/**
* Get the number of general axis controls on a joystick.
*
* Often, the directional pad on a game controller will either look like 4
* separate buttons or a POV hat, and not axes, but all of this is up to the
* device and platform.
*
* \param joystick an SDL_Joystick structure containing joystick information
* \returns the number of axis controls/number of axes on success or a
* negative error code on failure; call SDL_GetError() for more
* information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickGetAxis
* \sa SDL_JoystickOpen
*/
extern DECLSPEC int SDLCALL SDL_JoystickNumAxes(SDL_Joystick *joystick);
/**
* Get the number of trackballs on a joystick.
*
* Joystick trackballs have only relative motion events associated with them
* and their state cannot be polled.
*
* Most joysticks do not have trackballs.
*
* \param joystick an SDL_Joystick structure containing joystick information
* \returns the number of trackballs on success or a negative error code on
* failure; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickGetBall
*/
extern DECLSPEC int SDLCALL SDL_JoystickNumBalls(SDL_Joystick *joystick);
/**
* Get the number of POV hats on a joystick.
*
* \param joystick an SDL_Joystick structure containing joystick information
* \returns the number of POV hats on success or a negative error code on
* failure; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickGetHat
* \sa SDL_JoystickOpen
*/
extern DECLSPEC int SDLCALL SDL_JoystickNumHats(SDL_Joystick *joystick);
/**
* Get the number of buttons on a joystick.
*
* \param joystick an SDL_Joystick structure containing joystick information
* \returns the number of buttons on success or a negative error code on
* failure; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickGetButton
* \sa SDL_JoystickOpen
*/
extern DECLSPEC int SDLCALL SDL_JoystickNumButtons(SDL_Joystick *joystick);
/**
* Update the current state of the open joysticks.
*
* This is called automatically by the event loop if any joystick events are
* enabled.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickEventState
*/
extern DECLSPEC void SDLCALL SDL_JoystickUpdate(void);
/**
* Enable/disable joystick event polling.
*
* If joystick events are disabled, you must call SDL_JoystickUpdate()
* yourself and manually check the state of the joystick when you want
* joystick information.
*
* It is recommended that you leave joystick event handling enabled.
*
* **WARNING**: Calling this function may delete all events currently in SDL's
* event queue.
*
* \param state can be one of `SDL_QUERY`, `SDL_IGNORE`, or `SDL_ENABLE`
* \returns 1 if enabled, 0 if disabled, or a negative error code on failure;
* call SDL_GetError() for more information.
*
* If `state` is `SDL_QUERY` then the current state is returned,
* otherwise the new processing state is returned.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GameControllerEventState
*/
extern DECLSPEC int SDLCALL SDL_JoystickEventState(int state);
#define SDL_JOYSTICK_AXIS_MAX 32767
#define SDL_JOYSTICK_AXIS_MIN -32768
/**
* Get the current state of an axis control on a joystick.
*
* SDL makes no promises about what part of the joystick any given axis refers
* to. Your game should have some sort of configuration UI to let users
* specify what each axis should be bound to. Alternately, SDL's higher-level
* Game Controller API makes a great effort to apply order to this lower-level
* interface, so you know that a specific axis is the "left thumb stick," etc.
*
* The value returned by SDL_JoystickGetAxis() is a signed integer (-32768 to
* 32767) representing the current position of the axis. It may be necessary
* to impose certain tolerances on these values to account for jitter.
*
* \param joystick an SDL_Joystick structure containing joystick information
* \param axis the axis to query; the axis indices start at index 0
* \returns a 16-bit signed integer representing the current position of the
* axis or 0 on failure; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickNumAxes
*/
extern DECLSPEC Sint16 SDLCALL SDL_JoystickGetAxis(SDL_Joystick *joystick,
int axis);
/**
* Get the initial state of an axis control on a joystick.
*
* The state is a value ranging from -32768 to 32767.
*
* The axis indices start at index 0.
*
* \param joystick an SDL_Joystick structure containing joystick information
* \param axis the axis to query; the axis indices start at index 0
* \param state Upon return, the initial value is supplied here.
* \return SDL_TRUE if this axis has any initial value, or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.6.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_JoystickGetAxisInitialState(SDL_Joystick *joystick,
int axis, Sint16 *state);
/**
* \name Hat positions
*/
/* @{ */
#define SDL_HAT_CENTERED 0x00
#define SDL_HAT_UP 0x01
#define SDL_HAT_RIGHT 0x02
#define SDL_HAT_DOWN 0x04
#define SDL_HAT_LEFT 0x08
#define SDL_HAT_RIGHTUP (SDL_HAT_RIGHT|SDL_HAT_UP)
#define SDL_HAT_RIGHTDOWN (SDL_HAT_RIGHT|SDL_HAT_DOWN)
#define SDL_HAT_LEFTUP (SDL_HAT_LEFT|SDL_HAT_UP)
#define SDL_HAT_LEFTDOWN (SDL_HAT_LEFT|SDL_HAT_DOWN)
/* @} */
/**
* Get the current state of a POV hat on a joystick.
*
* The returned value will be one of the following positions:
*
* - `SDL_HAT_CENTERED`
* - `SDL_HAT_UP`
* - `SDL_HAT_RIGHT`
* - `SDL_HAT_DOWN`
* - `SDL_HAT_LEFT`
* - `SDL_HAT_RIGHTUP`
* - `SDL_HAT_RIGHTDOWN`
* - `SDL_HAT_LEFTUP`
* - `SDL_HAT_LEFTDOWN`
*
* \param joystick an SDL_Joystick structure containing joystick information
* \param hat the hat index to get the state from; indices start at index 0
* \returns the current hat position.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickNumHats
*/
extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetHat(SDL_Joystick *joystick,
int hat);
/**
* Get the ball axis change since the last poll.
*
* Trackballs can only return relative motion since the last call to
* SDL_JoystickGetBall(), these motion deltas are placed into `dx` and `dy`.
*
* Most joysticks do not have trackballs.
*
* \param joystick the SDL_Joystick to query
* \param ball the ball index to query; ball indices start at index 0
* \param dx stores the difference in the x axis position since the last poll
* \param dy stores the difference in the y axis position since the last poll
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickNumBalls
*/
extern DECLSPEC int SDLCALL SDL_JoystickGetBall(SDL_Joystick *joystick,
int ball, int *dx, int *dy);
/**
* Get the current state of a button on a joystick.
*
* \param joystick an SDL_Joystick structure containing joystick information
* \param button the button index to get the state from; indices start at
* index 0
* \returns 1 if the specified button is pressed, 0 otherwise.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickNumButtons
*/
extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetButton(SDL_Joystick *joystick,
int button);
/**
* Start a rumble effect.
*
* Each call to this function cancels any previous rumble effect, and calling
* it with 0 intensity stops any rumbling.
*
* \param joystick The joystick to vibrate
* \param low_frequency_rumble The intensity of the low frequency (left)
* rumble motor, from 0 to 0xFFFF
* \param high_frequency_rumble The intensity of the high frequency (right)
* rumble motor, from 0 to 0xFFFF
* \param duration_ms The duration of the rumble effect, in milliseconds
* \returns 0, or -1 if rumble isn't supported on this joystick
*
* \since This function is available since SDL 2.0.9.
*
* \sa SDL_JoystickHasRumble
*/
extern DECLSPEC int SDLCALL SDL_JoystickRumble(SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
/**
* Start a rumble effect in the joystick's triggers
*
* Each call to this function cancels any previous trigger rumble effect, and
* calling it with 0 intensity stops any rumbling.
*
* Note that this is rumbling of the _triggers_ and not the game controller as
* a whole. This is currently only supported on Xbox One controllers. If you
* want the (more common) whole-controller rumble, use SDL_JoystickRumble()
* instead.
*
* \param joystick The joystick to vibrate
* \param left_rumble The intensity of the left trigger rumble motor, from 0
* to 0xFFFF
* \param right_rumble The intensity of the right trigger rumble motor, from 0
* to 0xFFFF
* \param duration_ms The duration of the rumble effect, in milliseconds
* \returns 0, or -1 if trigger rumble isn't supported on this joystick
*
* \since This function is available since SDL 2.0.14.
*
* \sa SDL_JoystickHasRumbleTriggers
*/
extern DECLSPEC int SDLCALL SDL_JoystickRumbleTriggers(SDL_Joystick *joystick, Uint16 left_rumble, Uint16 right_rumble, Uint32 duration_ms);
/**
* Query whether a joystick has an LED.
*
* An example of a joystick LED is the light on the back of a PlayStation 4's
* DualShock 4 controller.
*
* \param joystick The joystick to query
* \return SDL_TRUE if the joystick has a modifiable LED, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.14.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_JoystickHasLED(SDL_Joystick *joystick);
/**
* Query whether a joystick has rumble support.
*
* \param joystick The joystick to query
* \return SDL_TRUE if the joystick has rumble, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.18.
*
* \sa SDL_JoystickRumble
*/
extern DECLSPEC SDL_bool SDLCALL SDL_JoystickHasRumble(SDL_Joystick *joystick);
/**
* Query whether a joystick has rumble support on triggers.
*
* \param joystick The joystick to query
* \return SDL_TRUE if the joystick has trigger rumble, SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.18.
*
* \sa SDL_JoystickRumbleTriggers
*/
extern DECLSPEC SDL_bool SDLCALL SDL_JoystickHasRumbleTriggers(SDL_Joystick *joystick);
/**
* Update a joystick's LED color.
*
* An example of a joystick LED is the light on the back of a PlayStation 4's
* DualShock 4 controller.
*
* \param joystick The joystick to update
* \param red The intensity of the red LED
* \param green The intensity of the green LED
* \param blue The intensity of the blue LED
* \returns 0 on success, -1 if this joystick does not have a modifiable LED
*
* \since This function is available since SDL 2.0.14.
*/
extern DECLSPEC int SDLCALL SDL_JoystickSetLED(SDL_Joystick *joystick, Uint8 red, Uint8 green, Uint8 blue);
/**
* Send a joystick specific effect packet
*
* \param joystick The joystick to affect
* \param data The data to send to the joystick
* \param size The size of the data to send to the joystick
* \returns 0, or -1 if this joystick or driver doesn't support effect packets
*
* \since This function is available since SDL 2.0.16.
*/
extern DECLSPEC int SDLCALL SDL_JoystickSendEffect(SDL_Joystick *joystick, const void *data, int size);
/**
* Close a joystick previously opened with SDL_JoystickOpen().
*
* \param joystick The joystick device to close
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_JoystickOpen
*/
extern DECLSPEC void SDLCALL SDL_JoystickClose(SDL_Joystick *joystick);
/**
* Get the battery level of a joystick as SDL_JoystickPowerLevel.
*
* \param joystick the SDL_Joystick to query
* \returns the current battery level as SDL_JoystickPowerLevel on success or
* `SDL_JOYSTICK_POWER_UNKNOWN` if it is unknown
*
* \since This function is available since SDL 2.0.4.
*/
extern DECLSPEC SDL_JoystickPowerLevel SDLCALL SDL_JoystickCurrentPowerLevel(SDL_Joystick *joystick);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_joystick_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_keyboard.h
*
* Include file for SDL keyboard event handling
*/
#ifndef SDL_keyboard_h_
#define SDL_keyboard_h_
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "SDL_keycode.h"
#include "SDL_video.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief The SDL keysym structure, used in key events.
*
* \note If you are looking for translated character input, see the ::SDL_TEXTINPUT event.
*/
typedef struct SDL_Keysym
{
SDL_Scancode scancode; /**< SDL physical key code - see ::SDL_Scancode for details */
SDL_Keycode sym; /**< SDL virtual key code - see ::SDL_Keycode for details */
Uint16 mod; /**< current key modifiers */
Uint32 unused;
} SDL_Keysym;
/* Function prototypes */
/**
* Query the window which currently has keyboard focus.
*
* \returns the window with keyboard focus.
*
* \since This function is available since SDL 2.0.0.
*/
extern DECLSPEC SDL_Window * SDLCALL SDL_GetKeyboardFocus(void);
/**
* Get a snapshot of the current state of the keyboard.
*
* The pointer returned is a pointer to an internal SDL array. It will be
* valid for the whole lifetime of the application and should not be freed by
* the caller.
*
* A array element with a value of 1 means that the key is pressed and a value
* of 0 means that it is not. Indexes into this array are obtained by using
* SDL_Scancode values.
*
* Use SDL_PumpEvents() to update the state array.
*
* This function gives you the current state after all events have been
* processed, so if a key or button has been pressed and released before you
* process events, then the pressed state will never show up in the
* SDL_GetKeyboardState() calls.
*
* Note: This function doesn't take into account whether shift has been
* pressed or not.
*
* \param numkeys if non-NULL, receives the length of the returned array
* \returns a pointer to an array of key states.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_PumpEvents
*/
extern DECLSPEC const Uint8 *SDLCALL SDL_GetKeyboardState(int *numkeys);
/**
* Get the current key modifier state for the keyboard.
*
* \returns an OR'd combination of the modifier keys for the keyboard. See
* SDL_Keymod for details.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetKeyboardState
* \sa SDL_SetModState
*/
extern DECLSPEC SDL_Keymod SDLCALL SDL_GetModState(void);
/**
* Set the current key modifier state for the keyboard.
*
* The inverse of SDL_GetModState(), SDL_SetModState() allows you to impose
* modifier key states on your application. Simply pass your desired modifier
* states into `modstate`. This value may be a bitwise, OR'd combination of
* SDL_Keymod values.
*
* This does not change the keyboard state, only the key modifier flags that
* SDL reports.
*
* \param modstate the desired SDL_Keymod for the keyboard
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetModState
*/
extern DECLSPEC void SDLCALL SDL_SetModState(SDL_Keymod modstate);
/**
* Get the key code corresponding to the given scancode according to the
* current keyboard layout.
*
* See SDL_Keycode for details.
*
* \param scancode the desired SDL_Scancode to query
* \returns the SDL_Keycode that corresponds to the given SDL_Scancode.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetKeyName
* \sa SDL_GetScancodeFromKey
*/
extern DECLSPEC SDL_Keycode SDLCALL SDL_GetKeyFromScancode(SDL_Scancode scancode);
/**
* Get the scancode corresponding to the given key code according to the
* current keyboard layout.
*
* See SDL_Scancode for details.
*
* \param key the desired SDL_Keycode to query
* \returns the SDL_Scancode that corresponds to the given SDL_Keycode.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetKeyFromScancode
* \sa SDL_GetScancodeName
*/
extern DECLSPEC SDL_Scancode SDLCALL SDL_GetScancodeFromKey(SDL_Keycode key);
/**
* Get a human-readable name for a scancode.
*
* See SDL_Scancode for details.
*
* **Warning**: The returned name is by design not stable across platforms,
* e.g. the name for `SDL_SCANCODE_LGUI` is "Left GUI" under Linux but "Left
* Windows" under Microsoft Windows, and some scancodes like
* `SDL_SCANCODE_NONUSBACKSLASH` don't have any name at all. There are even
* scancodes that share names, e.g. `SDL_SCANCODE_RETURN` and
* `SDL_SCANCODE_RETURN2` (both called "Return"). This function is therefore
* unsuitable for creating a stable cross-platform two-way mapping between
* strings and scancodes.
*
* \param scancode the desired SDL_Scancode to query
* \returns a pointer to the name for the scancode. If the scancode doesn't
* have a name this function returns an empty string ("").
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetScancodeFromKey
* \sa SDL_GetScancodeFromName
*/
extern DECLSPEC const char *SDLCALL SDL_GetScancodeName(SDL_Scancode scancode);
/**
* Get a scancode from a human-readable name.
*
* \param name the human-readable scancode name
* \returns the SDL_Scancode, or `SDL_SCANCODE_UNKNOWN` if the name wasn't
* recognized; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetKeyFromName
* \sa SDL_GetScancodeFromKey
* \sa SDL_GetScancodeName
*/
extern DECLSPEC SDL_Scancode SDLCALL SDL_GetScancodeFromName(const char *name);
/**
* Get a human-readable name for a key.
*
* See SDL_Scancode and SDL_Keycode for details.
*
* \param key the desired SDL_Keycode to query
* \returns a pointer to a UTF-8 string that stays valid at least until the
* next call to this function. If you need it around any longer, you
* must copy it. If the key doesn't have a name, this function
* returns an empty string ("").
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetKeyFromName
* \sa SDL_GetKeyFromScancode
* \sa SDL_GetScancodeFromKey
*/
extern DECLSPEC const char *SDLCALL SDL_GetKeyName(SDL_Keycode key);
/**
* Get a key code from a human-readable name.
*
* \param name the human-readable key name
* \returns key code, or `SDLK_UNKNOWN` if the name wasn't recognized; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetKeyFromScancode
* \sa SDL_GetKeyName
* \sa SDL_GetScancodeFromName
*/
extern DECLSPEC SDL_Keycode SDLCALL SDL_GetKeyFromName(const char *name);
/**
* Start accepting Unicode text input events.
*
* This function will start accepting Unicode text input events in the focused
* SDL window, and start emitting SDL_TextInputEvent (SDL_TEXTINPUT) and
* SDL_TextEditingEvent (SDL_TEXTEDITING) events. Please use this function in
* pair with SDL_StopTextInput().
*
* On some platforms using this function activates the screen keyboard.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_SetTextInputRect
* \sa SDL_StopTextInput
*/
extern DECLSPEC void SDLCALL SDL_StartTextInput(void);
/**
* Check whether or not Unicode text input events are enabled.
*
* \returns SDL_TRUE if text input events are enabled else SDL_FALSE.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_StartTextInput
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IsTextInputActive(void);
/**
* Stop receiving any text input events.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_StartTextInput
*/
extern DECLSPEC void SDLCALL SDL_StopTextInput(void);
/**
* Dismiss the composition window/IME without disabling the subsystem.
*
* \since This function is available since SDL 2.0.22.
*
* \sa SDL_StartTextInput
* \sa SDL_StopTextInput
*/
extern DECLSPEC void SDLCALL SDL_ClearComposition(void);
/**
* Returns if an IME Composite or Candidate window is currently shown.
*
* \since This function is available since SDL 2.0.22.
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IsTextInputShown(void);
/**
* Set the rectangle used to type Unicode text inputs.
*
* Note: If you want use system native IME window, try to set hint
* **SDL_HINT_IME_SHOW_UI** to **1**, otherwise this function won't give you
* any feedback.
*
* \param rect the SDL_Rect structure representing the rectangle to receive
* text (ignored if NULL)
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_StartTextInput
*/
extern DECLSPEC void SDLCALL SDL_SetTextInputRect(SDL_Rect *rect);
/**
* Check whether the platform has screen keyboard support.
*
* \returns SDL_TRUE if the platform has some screen keyboard support or
* SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_StartTextInput
* \sa SDL_IsScreenKeyboardShown
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasScreenKeyboardSupport(void);
/**
* Check whether the screen keyboard is shown for given window.
*
* \param window the window for which screen keyboard should be queried
* \returns SDL_TRUE if screen keyboard is shown or SDL_FALSE if not.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_HasScreenKeyboardSupport
*/
extern DECLSPEC SDL_bool SDLCALL SDL_IsScreenKeyboardShown(SDL_Window *window);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_keyboard_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_keycode.h
*
* Defines constants which identify keyboard keys and modifiers.
*/
#ifndef SDL_keycode_h_
#define SDL_keycode_h_
#include "SDL_stdinc.h"
#include "SDL_scancode.h"
/**
* \brief The SDL virtual key representation.
*
* Values of this type are used to represent keyboard keys using the current
* layout of the keyboard. These values include Unicode values representing
* the unmodified character that would be generated by pressing the key, or
* an SDLK_* constant for those keys that do not generate characters.
*
* A special exception is the number keys at the top of the keyboard which
* always map to SDLK_0...SDLK_9, regardless of layout.
*/
typedef Sint32 SDL_Keycode;
#define SDLK_SCANCODE_MASK (1<<30)
#define SDL_SCANCODE_TO_KEYCODE(X) (X | SDLK_SCANCODE_MASK)
typedef enum
{
SDLK_UNKNOWN = 0,
SDLK_RETURN = '\r',
SDLK_ESCAPE = '\x1B',
SDLK_BACKSPACE = '\b',
SDLK_TAB = '\t',
SDLK_SPACE = ' ',
SDLK_EXCLAIM = '!',
SDLK_QUOTEDBL = '"',
SDLK_HASH = '#',
SDLK_PERCENT = '%',
SDLK_DOLLAR = '$',
SDLK_AMPERSAND = '&',
SDLK_QUOTE = '\'',
SDLK_LEFTPAREN = '(',
SDLK_RIGHTPAREN = ')',
SDLK_ASTERISK = '*',
SDLK_PLUS = '+',
SDLK_COMMA = ',',
SDLK_MINUS = '-',
SDLK_PERIOD = '.',
SDLK_SLASH = '/',
SDLK_0 = '0',
SDLK_1 = '1',
SDLK_2 = '2',
SDLK_3 = '3',
SDLK_4 = '4',
SDLK_5 = '5',
SDLK_6 = '6',
SDLK_7 = '7',
SDLK_8 = '8',
SDLK_9 = '9',
SDLK_COLON = ':',
SDLK_SEMICOLON = ';',
SDLK_LESS = '<',
SDLK_EQUALS = '=',
SDLK_GREATER = '>',
SDLK_QUESTION = '?',
SDLK_AT = '@',
/*
Skip uppercase letters
*/
SDLK_LEFTBRACKET = '[',
SDLK_BACKSLASH = '\\',
SDLK_RIGHTBRACKET = ']',
SDLK_CARET = '^',
SDLK_UNDERSCORE = '_',
SDLK_BACKQUOTE = '`',
SDLK_a = 'a',
SDLK_b = 'b',
SDLK_c = 'c',
SDLK_d = 'd',
SDLK_e = 'e',
SDLK_f = 'f',
SDLK_g = 'g',
SDLK_h = 'h',
SDLK_i = 'i',
SDLK_j = 'j',
SDLK_k = 'k',
SDLK_l = 'l',
SDLK_m = 'm',
SDLK_n = 'n',
SDLK_o = 'o',
SDLK_p = 'p',
SDLK_q = 'q',
SDLK_r = 'r',
SDLK_s = 's',
SDLK_t = 't',
SDLK_u = 'u',
SDLK_v = 'v',
SDLK_w = 'w',
SDLK_x = 'x',
SDLK_y = 'y',
SDLK_z = 'z',
SDLK_CAPSLOCK = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_CAPSLOCK),
SDLK_F1 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F1),
SDLK_F2 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F2),
SDLK_F3 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F3),
SDLK_F4 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F4),
SDLK_F5 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F5),
SDLK_F6 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F6),
SDLK_F7 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F7),
SDLK_F8 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F8),
SDLK_F9 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F9),
SDLK_F10 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F10),
SDLK_F11 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F11),
SDLK_F12 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F12),
SDLK_PRINTSCREEN = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_PRINTSCREEN),
SDLK_SCROLLLOCK = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_SCROLLLOCK),
SDLK_PAUSE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_PAUSE),
SDLK_INSERT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_INSERT),
SDLK_HOME = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_HOME),
SDLK_PAGEUP = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_PAGEUP),
SDLK_DELETE = '\x7F',
SDLK_END = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_END),
SDLK_PAGEDOWN = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_PAGEDOWN),
SDLK_RIGHT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_RIGHT),
SDLK_LEFT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_LEFT),
SDLK_DOWN = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_DOWN),
SDLK_UP = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_UP),
SDLK_NUMLOCKCLEAR = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_NUMLOCKCLEAR),
SDLK_KP_DIVIDE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_DIVIDE),
SDLK_KP_MULTIPLY = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_MULTIPLY),
SDLK_KP_MINUS = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_MINUS),
SDLK_KP_PLUS = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_PLUS),
SDLK_KP_ENTER = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_ENTER),
SDLK_KP_1 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_1),
SDLK_KP_2 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_2),
SDLK_KP_3 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_3),
SDLK_KP_4 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_4),
SDLK_KP_5 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_5),
SDLK_KP_6 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_6),
SDLK_KP_7 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_7),
SDLK_KP_8 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_8),
SDLK_KP_9 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_9),
SDLK_KP_0 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_0),
SDLK_KP_PERIOD = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_PERIOD),
SDLK_APPLICATION = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_APPLICATION),
SDLK_POWER = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_POWER),
SDLK_KP_EQUALS = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_EQUALS),
SDLK_F13 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F13),
SDLK_F14 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F14),
SDLK_F15 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F15),
SDLK_F16 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F16),
SDLK_F17 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F17),
SDLK_F18 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F18),
SDLK_F19 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F19),
SDLK_F20 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F20),
SDLK_F21 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F21),
SDLK_F22 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F22),
SDLK_F23 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F23),
SDLK_F24 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_F24),
SDLK_EXECUTE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_EXECUTE),
SDLK_HELP = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_HELP),
SDLK_MENU = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_MENU),
SDLK_SELECT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_SELECT),
SDLK_STOP = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_STOP),
SDLK_AGAIN = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AGAIN),
SDLK_UNDO = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_UNDO),
SDLK_CUT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_CUT),
SDLK_COPY = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_COPY),
SDLK_PASTE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_PASTE),
SDLK_FIND = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_FIND),
SDLK_MUTE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_MUTE),
SDLK_VOLUMEUP = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_VOLUMEUP),
SDLK_VOLUMEDOWN = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_VOLUMEDOWN),
SDLK_KP_COMMA = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_COMMA),
SDLK_KP_EQUALSAS400 =
SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_EQUALSAS400),
SDLK_ALTERASE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_ALTERASE),
SDLK_SYSREQ = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_SYSREQ),
SDLK_CANCEL = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_CANCEL),
SDLK_CLEAR = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_CLEAR),
SDLK_PRIOR = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_PRIOR),
SDLK_RETURN2 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_RETURN2),
SDLK_SEPARATOR = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_SEPARATOR),
SDLK_OUT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_OUT),
SDLK_OPER = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_OPER),
SDLK_CLEARAGAIN = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_CLEARAGAIN),
SDLK_CRSEL = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_CRSEL),
SDLK_EXSEL = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_EXSEL),
SDLK_KP_00 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_00),
SDLK_KP_000 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_000),
SDLK_THOUSANDSSEPARATOR =
SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_THOUSANDSSEPARATOR),
SDLK_DECIMALSEPARATOR =
SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_DECIMALSEPARATOR),
SDLK_CURRENCYUNIT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_CURRENCYUNIT),
SDLK_CURRENCYSUBUNIT =
SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_CURRENCYSUBUNIT),
SDLK_KP_LEFTPAREN = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_LEFTPAREN),
SDLK_KP_RIGHTPAREN = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_RIGHTPAREN),
SDLK_KP_LEFTBRACE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_LEFTBRACE),
SDLK_KP_RIGHTBRACE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_RIGHTBRACE),
SDLK_KP_TAB = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_TAB),
SDLK_KP_BACKSPACE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_BACKSPACE),
SDLK_KP_A = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_A),
SDLK_KP_B = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_B),
SDLK_KP_C = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_C),
SDLK_KP_D = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_D),
SDLK_KP_E = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_E),
SDLK_KP_F = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_F),
SDLK_KP_XOR = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_XOR),
SDLK_KP_POWER = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_POWER),
SDLK_KP_PERCENT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_PERCENT),
SDLK_KP_LESS = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_LESS),
SDLK_KP_GREATER = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_GREATER),
SDLK_KP_AMPERSAND = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_AMPERSAND),
SDLK_KP_DBLAMPERSAND =
SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_DBLAMPERSAND),
SDLK_KP_VERTICALBAR =
SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_VERTICALBAR),
SDLK_KP_DBLVERTICALBAR =
SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_DBLVERTICALBAR),
SDLK_KP_COLON = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_COLON),
SDLK_KP_HASH = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_HASH),
SDLK_KP_SPACE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_SPACE),
SDLK_KP_AT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_AT),
SDLK_KP_EXCLAM = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_EXCLAM),
SDLK_KP_MEMSTORE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_MEMSTORE),
SDLK_KP_MEMRECALL = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_MEMRECALL),
SDLK_KP_MEMCLEAR = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_MEMCLEAR),
SDLK_KP_MEMADD = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_MEMADD),
SDLK_KP_MEMSUBTRACT =
SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_MEMSUBTRACT),
SDLK_KP_MEMMULTIPLY =
SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_MEMMULTIPLY),
SDLK_KP_MEMDIVIDE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_MEMDIVIDE),
SDLK_KP_PLUSMINUS = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_PLUSMINUS),
SDLK_KP_CLEAR = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_CLEAR),
SDLK_KP_CLEARENTRY = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_CLEARENTRY),
SDLK_KP_BINARY = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_BINARY),
SDLK_KP_OCTAL = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_OCTAL),
SDLK_KP_DECIMAL = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_DECIMAL),
SDLK_KP_HEXADECIMAL =
SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KP_HEXADECIMAL),
SDLK_LCTRL = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_LCTRL),
SDLK_LSHIFT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_LSHIFT),
SDLK_LALT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_LALT),
SDLK_LGUI = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_LGUI),
SDLK_RCTRL = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_RCTRL),
SDLK_RSHIFT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_RSHIFT),
SDLK_RALT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_RALT),
SDLK_RGUI = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_RGUI),
SDLK_MODE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_MODE),
SDLK_AUDIONEXT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AUDIONEXT),
SDLK_AUDIOPREV = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AUDIOPREV),
SDLK_AUDIOSTOP = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AUDIOSTOP),
SDLK_AUDIOPLAY = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AUDIOPLAY),
SDLK_AUDIOMUTE = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AUDIOMUTE),
SDLK_MEDIASELECT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_MEDIASELECT),
SDLK_WWW = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_WWW),
SDLK_MAIL = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_MAIL),
SDLK_CALCULATOR = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_CALCULATOR),
SDLK_COMPUTER = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_COMPUTER),
SDLK_AC_SEARCH = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AC_SEARCH),
SDLK_AC_HOME = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AC_HOME),
SDLK_AC_BACK = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AC_BACK),
SDLK_AC_FORWARD = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AC_FORWARD),
SDLK_AC_STOP = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AC_STOP),
SDLK_AC_REFRESH = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AC_REFRESH),
SDLK_AC_BOOKMARKS = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AC_BOOKMARKS),
SDLK_BRIGHTNESSDOWN =
SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_BRIGHTNESSDOWN),
SDLK_BRIGHTNESSUP = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_BRIGHTNESSUP),
SDLK_DISPLAYSWITCH = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_DISPLAYSWITCH),
SDLK_KBDILLUMTOGGLE =
SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KBDILLUMTOGGLE),
SDLK_KBDILLUMDOWN = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KBDILLUMDOWN),
SDLK_KBDILLUMUP = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_KBDILLUMUP),
SDLK_EJECT = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_EJECT),
SDLK_SLEEP = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_SLEEP),
SDLK_APP1 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_APP1),
SDLK_APP2 = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_APP2),
SDLK_AUDIOREWIND = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AUDIOREWIND),
SDLK_AUDIOFASTFORWARD = SDL_SCANCODE_TO_KEYCODE(SDL_SCANCODE_AUDIOFASTFORWARD)
} SDL_KeyCode;
/**
* \brief Enumeration of valid key mods (possibly OR'd together).
*/
typedef enum
{
KMOD_NONE = 0x0000,
KMOD_LSHIFT = 0x0001,
KMOD_RSHIFT = 0x0002,
KMOD_LCTRL = 0x0040,
KMOD_RCTRL = 0x0080,
KMOD_LALT = 0x0100,
KMOD_RALT = 0x0200,
KMOD_LGUI = 0x0400,
KMOD_RGUI = 0x0800,
KMOD_NUM = 0x1000,
KMOD_CAPS = 0x2000,
KMOD_MODE = 0x4000,
KMOD_SCROLL = 0x8000,
KMOD_CTRL = KMOD_LCTRL | KMOD_RCTRL,
KMOD_SHIFT = KMOD_LSHIFT | KMOD_RSHIFT,
KMOD_ALT = KMOD_LALT | KMOD_RALT,
KMOD_GUI = KMOD_LGUI | KMOD_RGUI,
KMOD_RESERVED = KMOD_SCROLL /* This is for source-level compatibility with SDL 2.0.0. */
} SDL_Keymod;
#endif /* SDL_keycode_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_loadso.h
*
* System dependent library loading routines
*
* Some things to keep in mind:
* \li These functions only work on C function names. Other languages may
* have name mangling and intrinsic language support that varies from
* compiler to compiler.
* \li Make sure you declare your function pointers with the same calling
* convention as the actual library function. Your code will crash
* mysteriously if you do not do this.
* \li Avoid namespace collisions. If you load a symbol from the library,
* it is not defined whether or not it goes into the global symbol
* namespace for the application. If it does and it conflicts with
* symbols in your code or other shared libraries, you will not get
* the results you expect. :)
*/
#ifndef SDL_loadso_h_
#define SDL_loadso_h_
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* Dynamically load a shared object.
*
* \param sofile a system-dependent name of the object file
* \returns an opaque pointer to the object handle or NULL if there was an
* error; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_LoadFunction
* \sa SDL_UnloadObject
*/
extern DECLSPEC void *SDLCALL SDL_LoadObject(const char *sofile);
/**
* Look up the address of the named function in a shared object.
*
* This function pointer is no longer valid after calling SDL_UnloadObject().
*
* This function can only look up C function names. Other languages may have
* name mangling and intrinsic language support that varies from compiler to
* compiler.
*
* Make sure you declare your function pointers with the same calling
* convention as the actual library function. Your code will crash
* mysteriously if you do not do this.
*
* If the requested function doesn't exist, NULL is returned.
*
* \param handle a valid shared object handle returned by SDL_LoadObject()
* \param name the name of the function to look up
* \returns a pointer to the function or NULL if there was an error; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_LoadObject
* \sa SDL_UnloadObject
*/
extern DECLSPEC void *SDLCALL SDL_LoadFunction(void *handle,
const char *name);
/**
* Unload a shared object from memory.
*
* \param handle a valid shared object handle returned by SDL_LoadObject()
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_LoadFunction
* \sa SDL_LoadObject
*/
extern DECLSPEC void SDLCALL SDL_UnloadObject(void *handle);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_loadso_h_ */
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_locale.h
*
* Include file for SDL locale services
*/
#ifndef _SDL_locale_h
#define _SDL_locale_h
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
/* *INDENT-OFF* */
extern "C" {
/* *INDENT-ON* */
#endif
typedef struct SDL_Locale
{
const char *language; /**< A language name, like "en" for English. */
const char *country; /**< A country, like "US" for America. Can be NULL. */
} SDL_Locale;
/**
* Report the user's preferred locale.
*
* This returns an array of SDL_Locale structs, the final item zeroed out.
* When the caller is done with this array, it should call SDL_free() on the
* returned value; all the memory involved is allocated in a single block, so
* a single SDL_free() will suffice.
*
* Returned language strings are in the format xx, where 'xx' is an ISO-639
* language specifier (such as "en" for English, "de" for German, etc).
* Country strings are in the format YY, where "YY" is an ISO-3166 country
* code (such as "US" for the United States, "CA" for Canada, etc). Country
* might be NULL if there's no specific guidance on them (so you might get {
* "en", "US" } for American English, but { "en", NULL } means "English
* language, generically"). Language strings are never NULL, except to
* terminate the array.
*
* Please note that not all of these strings are 2 characters; some are three
* or more.
*
* The returned list of locales are in the order of the user's preference. For
* example, a German citizen that is fluent in US English and knows enough
* Japanese to navigate around Tokyo might have a list like: { "de", "en_US",
* "jp", NULL }. Someone from England might prefer British English (where
* "color" is spelled "colour", etc), but will settle for anything like it: {
* "en_GB", "en", NULL }.
*
* This function returns NULL on error, including when the platform does not
* supply this information at all.
*
* This might be a "slow" call that has to query the operating system. It's
* best to ask for this once and save the results. However, this list can
* change, usually because the user has changed a system preference outside of
* your program; SDL will send an SDL_LOCALECHANGED event in this case, if
* possible, and you can call this function again to get an updated copy of
* preferred locales.
*
* \return array of locales, terminated with a locale with a NULL language
* field. Will return NULL on error.
*
* \since This function is available since SDL 2.0.14.
*/
extern DECLSPEC SDL_Locale * SDLCALL SDL_GetPreferredLocales(void);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
/* *INDENT-OFF* */
}
/* *INDENT-ON* */
#endif
#include "close_code.h"
#endif /* _SDL_locale_h */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_log.h
*
* Simple log messages with categories and priorities.
*
* By default logs are quiet, but if you're debugging SDL you might want:
*
* SDL_LogSetAllPriority(SDL_LOG_PRIORITY_WARN);
*
* Here's where the messages go on different platforms:
* Windows: debug output stream
* Android: log output
* Others: standard error output (stderr)
*/
#ifndef SDL_log_h_
#define SDL_log_h_
#include "SDL_stdinc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief The maximum size of a log message
*
* Messages longer than the maximum size will be truncated
*/
#define SDL_MAX_LOG_MESSAGE 4096
/**
* \brief The predefined log categories
*
* By default the application category is enabled at the INFO level,
* the assert category is enabled at the WARN level, test is enabled
* at the VERBOSE level and all other categories are enabled at the
* CRITICAL level.
*/
typedef enum
{
SDL_LOG_CATEGORY_APPLICATION,
SDL_LOG_CATEGORY_ERROR,
SDL_LOG_CATEGORY_ASSERT,
SDL_LOG_CATEGORY_SYSTEM,
SDL_LOG_CATEGORY_AUDIO,
SDL_LOG_CATEGORY_VIDEO,
SDL_LOG_CATEGORY_RENDER,
SDL_LOG_CATEGORY_INPUT,
SDL_LOG_CATEGORY_TEST,
/* Reserved for future SDL library use */
SDL_LOG_CATEGORY_RESERVED1,
SDL_LOG_CATEGORY_RESERVED2,
SDL_LOG_CATEGORY_RESERVED3,
SDL_LOG_CATEGORY_RESERVED4,
SDL_LOG_CATEGORY_RESERVED5,
SDL_LOG_CATEGORY_RESERVED6,
SDL_LOG_CATEGORY_RESERVED7,
SDL_LOG_CATEGORY_RESERVED8,
SDL_LOG_CATEGORY_RESERVED9,
SDL_LOG_CATEGORY_RESERVED10,
/* Beyond this point is reserved for application use, e.g.
enum {
MYAPP_CATEGORY_AWESOME1 = SDL_LOG_CATEGORY_CUSTOM,
MYAPP_CATEGORY_AWESOME2,
MYAPP_CATEGORY_AWESOME3,
...
};
*/
SDL_LOG_CATEGORY_CUSTOM
} SDL_LogCategory;
/**
* \brief The predefined log priorities
*/
typedef enum
{
SDL_LOG_PRIORITY_VERBOSE = 1,
SDL_LOG_PRIORITY_DEBUG,
SDL_LOG_PRIORITY_INFO,
SDL_LOG_PRIORITY_WARN,
SDL_LOG_PRIORITY_ERROR,
SDL_LOG_PRIORITY_CRITICAL,
SDL_NUM_LOG_PRIORITIES
} SDL_LogPriority;
/**
* Set the priority of all log categories.
*
* \param priority the SDL_LogPriority to assign
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_LogSetPriority
*/
extern DECLSPEC void SDLCALL SDL_LogSetAllPriority(SDL_LogPriority priority);
/**
* Set the priority of a particular log category.
*
* \param category the category to assign a priority to
* \param priority the SDL_LogPriority to assign
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_LogGetPriority
* \sa SDL_LogSetAllPriority
*/
extern DECLSPEC void SDLCALL SDL_LogSetPriority(int category,
SDL_LogPriority priority);
/**
* Get the priority of a particular log category.
*
* \param category the category to query
* \returns the SDL_LogPriority for the requested category
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_LogSetPriority
*/
extern DECLSPEC SDL_LogPriority SDLCALL SDL_LogGetPriority(int category);
/**
* Reset all priorities to default.
*
* This is called by SDL_Quit().
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_LogSetAllPriority
* \sa SDL_LogSetPriority
*/
extern DECLSPEC void SDLCALL SDL_LogResetPriorities(void);
/**
* Log a message with SDL_LOG_CATEGORY_APPLICATION and SDL_LOG_PRIORITY_INFO.
*
* = * \param fmt a printf() style message format string
*
* \param ... additional parameters matching % tokens in the `fmt` string, if
* any
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_LogCritical
* \sa SDL_LogDebug
* \sa SDL_LogError
* \sa SDL_LogInfo
* \sa SDL_LogMessage
* \sa SDL_LogMessageV
* \sa SDL_LogVerbose
* \sa SDL_LogWarn
*/
extern DECLSPEC void SDLCALL SDL_Log(SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(1);
/**
* Log a message with SDL_LOG_PRIORITY_VERBOSE.
*
* \param category the category of the message
* \param fmt a printf() style message format string
* \param ... additional parameters matching % tokens in the **fmt** string,
* if any
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Log
* \sa SDL_LogCritical
* \sa SDL_LogDebug
* \sa SDL_LogError
* \sa SDL_LogInfo
* \sa SDL_LogMessage
* \sa SDL_LogMessageV
* \sa SDL_LogWarn
*/
extern DECLSPEC void SDLCALL SDL_LogVerbose(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
/**
* Log a message with SDL_LOG_PRIORITY_DEBUG.
*
* \param category the category of the message
* \param fmt a printf() style message format string
* \param ... additional parameters matching % tokens in the **fmt** string,
* if any
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Log
* \sa SDL_LogCritical
* \sa SDL_LogError
* \sa SDL_LogInfo
* \sa SDL_LogMessage
* \sa SDL_LogMessageV
* \sa SDL_LogVerbose
* \sa SDL_LogWarn
*/
extern DECLSPEC void SDLCALL SDL_LogDebug(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
/**
* Log a message with SDL_LOG_PRIORITY_INFO.
*
* \param category the category of the message
* \param fmt a printf() style message format string
* \param ... additional parameters matching % tokens in the **fmt** string,
* if any
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Log
* \sa SDL_LogCritical
* \sa SDL_LogDebug
* \sa SDL_LogError
* \sa SDL_LogMessage
* \sa SDL_LogMessageV
* \sa SDL_LogVerbose
* \sa SDL_LogWarn
*/
extern DECLSPEC void SDLCALL SDL_LogInfo(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
/**
* Log a message with SDL_LOG_PRIORITY_WARN.
*
* \param category the category of the message
* \param fmt a printf() style message format string
* \param ... additional parameters matching % tokens in the **fmt** string,
* if any
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Log
* \sa SDL_LogCritical
* \sa SDL_LogDebug
* \sa SDL_LogError
* \sa SDL_LogInfo
* \sa SDL_LogMessage
* \sa SDL_LogMessageV
* \sa SDL_LogVerbose
*/
extern DECLSPEC void SDLCALL SDL_LogWarn(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
/**
* Log a message with SDL_LOG_PRIORITY_ERROR.
*
* \param category the category of the message
* \param fmt a printf() style message format string
* \param ... additional parameters matching % tokens in the **fmt** string,
* if any
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Log
* \sa SDL_LogCritical
* \sa SDL_LogDebug
* \sa SDL_LogInfo
* \sa SDL_LogMessage
* \sa SDL_LogMessageV
* \sa SDL_LogVerbose
* \sa SDL_LogWarn
*/
extern DECLSPEC void SDLCALL SDL_LogError(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
/**
* Log a message with SDL_LOG_PRIORITY_CRITICAL.
*
* \param category the category of the message
* \param fmt a printf() style message format string
* \param ... additional parameters matching % tokens in the **fmt** string,
* if any
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Log
* \sa SDL_LogDebug
* \sa SDL_LogError
* \sa SDL_LogInfo
* \sa SDL_LogMessage
* \sa SDL_LogMessageV
* \sa SDL_LogVerbose
* \sa SDL_LogWarn
*/
extern DECLSPEC void SDLCALL SDL_LogCritical(int category, SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(2);
/**
* Log a message with the specified category and priority.
*
* \param category the category of the message
* \param priority the priority of the message
* \param fmt a printf() style message format string
* \param ... additional parameters matching % tokens in the **fmt** string,
* if any
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Log
* \sa SDL_LogCritical
* \sa SDL_LogDebug
* \sa SDL_LogError
* \sa SDL_LogInfo
* \sa SDL_LogMessageV
* \sa SDL_LogVerbose
* \sa SDL_LogWarn
*/
extern DECLSPEC void SDLCALL SDL_LogMessage(int category,
SDL_LogPriority priority,
SDL_PRINTF_FORMAT_STRING const char *fmt, ...) SDL_PRINTF_VARARG_FUNC(3);
/**
* Log a message with the specified category and priority.
*
* \param category the category of the message
* \param priority the priority of the message
* \param fmt a printf() style message format string
* \param ap a variable argument list
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Log
* \sa SDL_LogCritical
* \sa SDL_LogDebug
* \sa SDL_LogError
* \sa SDL_LogInfo
* \sa SDL_LogMessage
* \sa SDL_LogVerbose
* \sa SDL_LogWarn
*/
extern DECLSPEC void SDLCALL SDL_LogMessageV(int category,
SDL_LogPriority priority,
const char *fmt, va_list ap);
/**
* The prototype for the log output callback function.
*
* This function is called by SDL when there is new text to be logged.
*
* \param userdata what was passed as `userdata` to SDL_LogSetOutputFunction()
* \param category the category of the message
* \param priority the priority of the message
* \param message the message being output
*/
typedef void (SDLCALL *SDL_LogOutputFunction)(void *userdata, int category, SDL_LogPriority priority, const char *message);
/**
* Get the current log output function.
*
* \param callback an SDL_LogOutputFunction filled in with the current log
* callback
* \param userdata a pointer filled in with the pointer that is passed to
* `callback`
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_LogSetOutputFunction
*/
extern DECLSPEC void SDLCALL SDL_LogGetOutputFunction(SDL_LogOutputFunction *callback, void **userdata);
/**
* Replace the default log output function with one of your own.
*
* \param callback an SDL_LogOutputFunction to call instead of the default
* \param userdata a pointer that is passed to `callback`
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_LogGetOutputFunction
*/
extern DECLSPEC void SDLCALL SDL_LogSetOutputFunction(SDL_LogOutputFunction callback, void *userdata);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_log_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_main_h_
#define SDL_main_h_
#include "SDL_stdinc.h"
/**
* \file SDL_main.h
*
* Redefine main() on some platforms so that it is called by SDL.
*/
#ifndef SDL_MAIN_HANDLED
#if defined(__WIN32__)
/* On Windows SDL provides WinMain(), which parses the command line and passes
the arguments to your main function.
If you provide your own WinMain(), you may define SDL_MAIN_HANDLED
*/
#define SDL_MAIN_AVAILABLE
#elif defined(__WINRT__)
/* On WinRT, SDL provides a main function that initializes CoreApplication,
creating an instance of IFrameworkView in the process.
Please note that #include'ing SDL_main.h is not enough to get a main()
function working. In non-XAML apps, the file,
src/main/winrt/SDL_WinRT_main_NonXAML.cpp, or a copy of it, must be compiled
into the app itself. In XAML apps, the function, SDL_WinRTRunApp must be
called, with a pointer to the Direct3D-hosted XAML control passed in.
*/
#define SDL_MAIN_NEEDED
#elif defined(__IPHONEOS__)
/* On iOS SDL provides a main function that creates an application delegate
and starts the iOS application run loop.
If you link with SDL dynamically on iOS, the main function can't be in a
shared library, so you need to link with libSDLmain.a, which includes a
stub main function that calls into the shared library to start execution.
See src/video/uikit/SDL_uikitappdelegate.m for more details.
*/
#define SDL_MAIN_NEEDED
#elif defined(__ANDROID__)
/* On Android SDL provides a Java class in SDLActivity.java that is the
main activity entry point.
See docs/README-android.md for more details on extending that class.
*/
#define SDL_MAIN_NEEDED
/* We need to export SDL_main so it can be launched from Java */
#define SDLMAIN_DECLSPEC DECLSPEC
#elif defined(__NACL__)
/* On NACL we use ppapi_simple to set up the application helper code,
then wait for the first PSE_INSTANCE_DIDCHANGEVIEW event before
starting the user main function.
All user code is run in a separate thread by ppapi_simple, thus
allowing for blocking io to take place via nacl_io
*/
#define SDL_MAIN_NEEDED
#elif defined(__PSP__)
/* On PSP SDL provides a main function that sets the module info,
activates the GPU and starts the thread required to be able to exit
the software.
If you provide this yourself, you may define SDL_MAIN_HANDLED
*/
#define SDL_MAIN_AVAILABLE
#endif
#endif /* SDL_MAIN_HANDLED */
#ifndef SDLMAIN_DECLSPEC
#define SDLMAIN_DECLSPEC
#endif
/**
* \file SDL_main.h
*
* The application's main() function must be called with C linkage,
* and should be declared like this:
* \code
* #ifdef __cplusplus
* extern "C"
* #endif
* int main(int argc, char *argv[])
* {
* }
* \endcode
*/
#if defined(SDL_MAIN_NEEDED) || defined(SDL_MAIN_AVAILABLE)
#define main SDL_main
#endif
#include "begin_code.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* The prototype for the application's main() function
*/
typedef int (*SDL_main_func)(int argc, char *argv[]);
extern SDLMAIN_DECLSPEC int SDL_main(int argc, char *argv[]);
/**
* Circumvent failure of SDL_Init() when not using SDL_main() as an entry
* point.
*
* This function is defined in SDL_main.h, along with the preprocessor rule to
* redefine main() as SDL_main(). Thus to ensure that your main() function
* will not be changed it is necessary to define SDL_MAIN_HANDLED before
* including SDL.h.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_Init
*/
extern DECLSPEC void SDLCALL SDL_SetMainReady(void);
#ifdef __WIN32__
/**
* Register a win32 window class for SDL's use.
*
* This can be called to set the application window class at startup. It is
* safe to call this multiple times, as long as every call is eventually
* paired with a call to SDL_UnregisterApp, but a second registration attempt
* while a previous registration is still active will be ignored, other than
* to increment a counter.
*
* Most applications do not need to, and should not, call this directly; SDL
* will call it when initializing the video subsystem.
*
* \param name the window class name, in UTF-8 encoding. If NULL, SDL
* currently uses "SDL_app" but this isn't guaranteed.
* \param style the value to use in WNDCLASSEX::style. If `name` is NULL, SDL
* currently uses `(CS_BYTEALIGNCLIENT | CS_OWNDC)` regardless of
* what is specified here.
* \param hInst the HINSTANCE to use in WNDCLASSEX::hInstance. If zero, SDL
* will use `GetModuleHandle(NULL)` instead.
* \returns 0 on success, -1 on error. SDL_GetError() may have details.
*
* \since This function is available since SDL 2.0.2.
*/
extern DECLSPEC int SDLCALL SDL_RegisterApp(const char *name, Uint32 style, void *hInst);
/**
* Deregister the win32 window class from an SDL_RegisterApp call.
*
* This can be called to undo the effects of SDL_RegisterApp.
*
* Most applications do not need to, and should not, call this directly; SDL
* will call it when deinitializing the video subsystem.
*
* It is safe to call this multiple times, as long as every call is eventually
* paired with a prior call to SDL_RegisterApp. The window class will only be
* deregistered when the registration counter in SDL_RegisterApp decrements to
* zero through calls to this function.
*
* \since This function is available since SDL 2.0.2.
*/
extern DECLSPEC void SDLCALL SDL_UnregisterApp(void);
#endif /* __WIN32__ */
#ifdef __WINRT__
/**
* Initialize and launch an SDL/WinRT application.
*
* \param mainFunction the SDL app's C-style main(), an SDL_main_func
* \param reserved reserved for future use; should be NULL
* \returns 0 on success or -1 on failure; call SDL_GetError() to retrieve
* more information on the failure.
*
* \since This function is available since SDL 2.0.3.
*/
extern DECLSPEC int SDLCALL SDL_WinRTRunApp(SDL_main_func mainFunction, void * reserved);
#endif /* __WINRT__ */
#if defined(__IPHONEOS__)
/**
* Initializes and launches an SDL application.
*
* \param argc The argc parameter from the application's main() function
* \param argv The argv parameter from the application's main() function
* \param mainFunction The SDL app's C-style main(), an SDL_main_func
* \return the return value from mainFunction
*
* \since This function is available since SDL 2.0.10.
*/
extern DECLSPEC int SDLCALL SDL_UIKitRunApp(int argc, char *argv[], SDL_main_func mainFunction);
#endif /* __IPHONEOS__ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_main_h_ */
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_messagebox_h_
#define SDL_messagebox_h_
#include "SDL_stdinc.h"
#include "SDL_video.h" /* For SDL_Window */
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* SDL_MessageBox flags. If supported will display warning icon, etc.
*/
typedef enum
{
SDL_MESSAGEBOX_ERROR = 0x00000010, /**< error dialog */
SDL_MESSAGEBOX_WARNING = 0x00000020, /**< warning dialog */
SDL_MESSAGEBOX_INFORMATION = 0x00000040, /**< informational dialog */
SDL_MESSAGEBOX_BUTTONS_LEFT_TO_RIGHT = 0x00000080, /**< buttons placed left to right */
SDL_MESSAGEBOX_BUTTONS_RIGHT_TO_LEFT = 0x00000100 /**< buttons placed right to left */
} SDL_MessageBoxFlags;
/**
* Flags for SDL_MessageBoxButtonData.
*/
typedef enum
{
SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT = 0x00000001, /**< Marks the default button when return is hit */
SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT = 0x00000002 /**< Marks the default button when escape is hit */
} SDL_MessageBoxButtonFlags;
/**
* Individual button data.
*/
typedef struct
{
Uint32 flags; /**< ::SDL_MessageBoxButtonFlags */
int buttonid; /**< User defined button id (value returned via SDL_ShowMessageBox) */
const char * text; /**< The UTF-8 button text */
} SDL_MessageBoxButtonData;
/**
* RGB value used in a message box color scheme
*/
typedef struct
{
Uint8 r, g, b;
} SDL_MessageBoxColor;
typedef enum
{
SDL_MESSAGEBOX_COLOR_BACKGROUND,
SDL_MESSAGEBOX_COLOR_TEXT,
SDL_MESSAGEBOX_COLOR_BUTTON_BORDER,
SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND,
SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
SDL_MESSAGEBOX_COLOR_MAX
} SDL_MessageBoxColorType;
/**
* A set of colors to use for message box dialogs
*/
typedef struct
{
SDL_MessageBoxColor colors[SDL_MESSAGEBOX_COLOR_MAX];
} SDL_MessageBoxColorScheme;
/**
* MessageBox structure containing title, text, window, etc.
*/
typedef struct
{
Uint32 flags; /**< ::SDL_MessageBoxFlags */
SDL_Window *window; /**< Parent window, can be NULL */
const char *title; /**< UTF-8 title */
const char *message; /**< UTF-8 message text */
int numbuttons;
const SDL_MessageBoxButtonData *buttons;
const SDL_MessageBoxColorScheme *colorScheme; /**< ::SDL_MessageBoxColorScheme, can be NULL to use system settings */
} SDL_MessageBoxData;
/**
* Create a modal message box.
*
* If your needs aren't complex, it might be easier to use
* SDL_ShowSimpleMessageBox.
*
* This function should be called on the thread that created the parent
* window, or on the main thread if the messagebox has no parent. It will
* block execution of that thread until the user clicks a button or closes the
* messagebox.
*
* This function may be called at any time, even before SDL_Init(). This makes
* it useful for reporting errors like a failure to create a renderer or
* OpenGL context.
*
* On X11, SDL rolls its own dialog box with X11 primitives instead of a
* formal toolkit like GTK+ or Qt.
*
* Note that if SDL_Init() would fail because there isn't any available video
* target, this function is likely to fail for the same reasons. If this is a
* concern, check the return value from this function and fall back to writing
* to stderr if you can.
*
* \param messageboxdata the SDL_MessageBoxData structure with title, text and
* other options
* \param buttonid the pointer to which user id of hit button should be copied
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_ShowSimpleMessageBox
*/
extern DECLSPEC int SDLCALL SDL_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonid);
/**
* Display a simple modal message box.
*
* If your needs aren't complex, this function is preferred over
* SDL_ShowMessageBox.
*
* `flags` may be any of the following:
*
* - `SDL_MESSAGEBOX_ERROR`: error dialog
* - `SDL_MESSAGEBOX_WARNING`: warning dialog
* - `SDL_MESSAGEBOX_INFORMATION`: informational dialog
*
* This function should be called on the thread that created the parent
* window, or on the main thread if the messagebox has no parent. It will
* block execution of that thread until the user clicks a button or closes the
* messagebox.
*
* This function may be called at any time, even before SDL_Init(). This makes
* it useful for reporting errors like a failure to create a renderer or
* OpenGL context.
*
* On X11, SDL rolls its own dialog box with X11 primitives instead of a
* formal toolkit like GTK+ or Qt.
*
* Note that if SDL_Init() would fail because there isn't any available video
* target, this function is likely to fail for the same reasons. If this is a
* concern, check the return value from this function and fall back to writing
* to stderr if you can.
*
* \param flags an SDL_MessageBoxFlags value
* \param title UTF-8 title text
* \param message UTF-8 message text
* \param window the parent window, or NULL for no parent
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_ShowMessageBox
*/
extern DECLSPEC int SDLCALL SDL_ShowSimpleMessageBox(Uint32 flags, const char *title, const char *message, SDL_Window *window);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_messagebox_h_ */
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_metal.h
*
* Header file for functions to creating Metal layers and views on SDL windows.
*/
#ifndef SDL_metal_h_
#define SDL_metal_h_
#include "SDL_video.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief A handle to a CAMetalLayer-backed NSView (macOS) or UIView (iOS/tvOS).
*
* \note This can be cast directly to an NSView or UIView.
*/
typedef void *SDL_MetalView;
/**
* \name Metal support functions
*/
/* @{ */
/**
* Create a CAMetalLayer-backed NSView/UIView and attach it to the specified
* window.
*
* On macOS, this does *not* associate a MTLDevice with the CAMetalLayer on
* its own. It is up to user code to do that.
*
* The returned handle can be casted directly to a NSView or UIView. To access
* the backing CAMetalLayer, call SDL_Metal_GetLayer().
*
* \since This function is available since SDL 2.0.12.
*
* \sa SDL_Metal_DestroyView
* \sa SDL_Metal_GetLayer
*/
extern DECLSPEC SDL_MetalView SDLCALL SDL_Metal_CreateView(SDL_Window * window);
/**
* Destroy an existing SDL_MetalView object.
*
* This should be called before SDL_DestroyWindow, if SDL_Metal_CreateView was
* called after SDL_CreateWindow.
*
* \since This function is available since SDL 2.0.12.
*
* \sa SDL_Metal_CreateView
*/
extern DECLSPEC void SDLCALL SDL_Metal_DestroyView(SDL_MetalView view);
/**
* Get a pointer to the backing CAMetalLayer for the given view.
*
* \since This function is available since SDL 2.0.14.
*
* \sa SDL_MetalCreateView
*/
extern DECLSPEC void *SDLCALL SDL_Metal_GetLayer(SDL_MetalView view);
/**
* Get the size of a window's underlying drawable in pixels (for use with
* setting viewport, scissor & etc).
*
* \param window SDL_Window from which the drawable size should be queried
* \param w Pointer to variable for storing the width in pixels, may be NULL
* \param h Pointer to variable for storing the height in pixels, may be NULL
*
* \since This function is available since SDL 2.0.14.
*
* \sa SDL_GetWindowSize
* \sa SDL_CreateWindow
*/
extern DECLSPEC void SDLCALL SDL_Metal_GetDrawableSize(SDL_Window* window, int *w,
int *h);
/* @} *//* Metal support functions */
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_metal_h_ */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_misc.h
*
* \brief Include file for SDL API functions that don't fit elsewhere.
*/
#ifndef SDL_misc_h_
#define SDL_misc_h_
#include "SDL_stdinc.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* Open a URL/URI in the browser or other appropriate external application.
*
* Open a URL in a separate, system-provided application. How this works will
* vary wildly depending on the platform. This will likely launch what makes
* sense to handle a specific URL's protocol (a web browser for `http://`,
* etc), but it might also be able to launch file managers for directories and
* other things.
*
* What happens when you open a URL varies wildly as well: your game window
* may lose focus (and may or may not lose focus if your game was fullscreen
* or grabbing input at the time). On mobile devices, your app will likely
* move to the background or your process might be paused. Any given platform
* may or may not handle a given URL.
*
* If this is unimplemented (or simply unavailable) for a platform, this will
* fail with an error. A successful result does not mean the URL loaded, just
* that we launched _something_ to handle it (or at least believe we did).
*
* All this to say: this function can be useful, but you should definitely
* test it on every platform you target.
*
* \param url A valid URL/URI to open. Use `file:///full/path/to/file` for
* local files, if supported.
* \returns 0 on success, or -1 on error; call SDL_GetError() for more
* information.
*
* \since This function is available since SDL 2.0.14.
*/
extern DECLSPEC int SDLCALL SDL_OpenURL(const char *url);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_misc_h_ */
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
/**
* \file SDL_mouse.h
*
* Include file for SDL mouse event handling.
*/
#ifndef SDL_mouse_h_
#define SDL_mouse_h_
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "SDL_video.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
typedef struct SDL_Cursor SDL_Cursor; /**< Implementation dependent */
/**
* \brief Cursor types for SDL_CreateSystemCursor().
*/
typedef enum
{
SDL_SYSTEM_CURSOR_ARROW, /**< Arrow */
SDL_SYSTEM_CURSOR_IBEAM, /**< I-beam */
SDL_SYSTEM_CURSOR_WAIT, /**< Wait */
SDL_SYSTEM_CURSOR_CROSSHAIR, /**< Crosshair */
SDL_SYSTEM_CURSOR_WAITARROW, /**< Small wait cursor (or Wait if not available) */
SDL_SYSTEM_CURSOR_SIZENWSE, /**< Double arrow pointing northwest and southeast */
SDL_SYSTEM_CURSOR_SIZENESW, /**< Double arrow pointing northeast and southwest */
SDL_SYSTEM_CURSOR_SIZEWE, /**< Double arrow pointing west and east */
SDL_SYSTEM_CURSOR_SIZENS, /**< Double arrow pointing north and south */
SDL_SYSTEM_CURSOR_SIZEALL, /**< Four pointed arrow pointing north, south, east, and west */
SDL_SYSTEM_CURSOR_NO, /**< Slashed circle or crossbones */
SDL_SYSTEM_CURSOR_HAND, /**< Hand */
SDL_NUM_SYSTEM_CURSORS
} SDL_SystemCursor;
/**
* \brief Scroll direction types for the Scroll event
*/
typedef enum
{
SDL_MOUSEWHEEL_NORMAL, /**< The scroll direction is normal */
SDL_MOUSEWHEEL_FLIPPED /**< The scroll direction is flipped / natural */
} SDL_MouseWheelDirection;
/* Function prototypes */
/**
* Get the window which currently has mouse focus.
*
* \returns the window with mouse focus.
*
* \since This function is available since SDL 2.0.0.
*/
extern DECLSPEC SDL_Window * SDLCALL SDL_GetMouseFocus(void);
/**
* Retrieve the current state of the mouse.
*
* The current button state is returned as a button bitmask, which can be
* tested using the `SDL_BUTTON(X)` macros (where `X` is generally 1 for the
* left, 2 for middle, 3 for the right button), and `x` and `y` are set to the
* mouse cursor position relative to the focus window. You can pass NULL for
* either `x` or `y`.
*
* \param x the x coordinate of the mouse cursor position relative to the
* focus window
* \param y the y coordinate of the mouse cursor position relative to the
* focus window
* \returns a 32-bit button bitmask of the current button state.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetGlobalMouseState
* \sa SDL_GetRelativeMouseState
* \sa SDL_PumpEvents
*/
extern DECLSPEC Uint32 SDLCALL SDL_GetMouseState(int *x, int *y);
/**
* Get the current state of the mouse in relation to the desktop.
*
* This works similarly to SDL_GetMouseState(), but the coordinates will be
* reported relative to the top-left of the desktop. This can be useful if you
* need to track the mouse outside of a specific window and SDL_CaptureMouse()
* doesn't fit your needs. For example, it could be useful if you need to
* track the mouse while dragging a window, where coordinates relative to a
* window might not be in sync at all times.
*
* Note: SDL_GetMouseState() returns the mouse position as SDL understands it
* from the last pump of the event queue. This function, however, queries the
* OS for the current mouse position, and as such, might be a slightly less
* efficient function. Unless you know what you're doing and have a good
* reason to use this function, you probably want SDL_GetMouseState() instead.
*
* \param x filled in with the current X coord relative to the desktop; can be
* NULL
* \param y filled in with the current Y coord relative to the desktop; can be
* NULL
* \returns the current button state as a bitmask which can be tested using
* the SDL_BUTTON(X) macros.
*
* \since This function is available since SDL 2.0.4.
*
* \sa SDL_CaptureMouse
*/
extern DECLSPEC Uint32 SDLCALL SDL_GetGlobalMouseState(int *x, int *y);
/**
* Retrieve the relative state of the mouse.
*
* The current button state is returned as a button bitmask, which can be
* tested using the `SDL_BUTTON(X)` macros (where `X` is generally 1 for the
* left, 2 for middle, 3 for the right button), and `x` and `y` are set to the
* mouse deltas since the last call to SDL_GetRelativeMouseState() or since
* event initialization. You can pass NULL for either `x` or `y`.
*
* \param x a pointer filled with the last recorded x coordinate of the mouse
* \param y a pointer filled with the last recorded y coordinate of the mouse
* \returns a 32-bit button bitmask of the relative button state.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetMouseState
*/
extern DECLSPEC Uint32 SDLCALL SDL_GetRelativeMouseState(int *x, int *y);
/**
* Move the mouse cursor to the given position within the window.
*
* This function generates a mouse motion event.
*
* Note that this function will appear to succeed, but not actually move the
* mouse when used over Microsoft Remote Desktop.
*
* \param window the window to move the mouse into, or NULL for the current
* mouse focus
* \param x the x coordinate within the window
* \param y the y coordinate within the window
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_WarpMouseGlobal
*/
extern DECLSPEC void SDLCALL SDL_WarpMouseInWindow(SDL_Window * window,
int x, int y);
/**
* Move the mouse to the given position in global screen space.
*
* This function generates a mouse motion event.
*
* A failure of this function usually means that it is unsupported by a
* platform.
*
* Note that this function will appear to succeed, but not actually move the
* mouse when used over Microsoft Remote Desktop.
*
* \param x the x coordinate
* \param y the y coordinate
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.4.
*
* \sa SDL_WarpMouseInWindow
*/
extern DECLSPEC int SDLCALL SDL_WarpMouseGlobal(int x, int y);
/**
* Set relative mouse mode.
*
* While the mouse is in relative mode, the cursor is hidden, and the driver
* will try to report continuous motion in the current window. Only relative
* motion events will be delivered, the mouse position will not change.
*
* Note that this function will not be able to provide continuous relative
* motion when used over Microsoft Remote Desktop, instead motion is limited
* to the bounds of the screen.
*
* This function will flush any pending mouse motion.
*
* \param enabled SDL_TRUE to enable relative mode, SDL_FALSE to disable.
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* If relative mode is not supported, this returns -1.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_GetRelativeMouseMode
*/
extern DECLSPEC int SDLCALL SDL_SetRelativeMouseMode(SDL_bool enabled);
/**
* Capture the mouse and to track input outside an SDL window.
*
* Capturing enables your app to obtain mouse events globally, instead of just
* within your window. Not all video targets support this function. When
* capturing is enabled, the current window will get all mouse events, but
* unlike relative mode, no change is made to the cursor and it is not
* restrained to your window.
*
* This function may also deny mouse input to other windows--both those in
* your application and others on the system--so you should use this function
* sparingly, and in small bursts. For example, you might want to track the
* mouse while the user is dragging something, until the user releases a mouse
* button. It is not recommended that you capture the mouse for long periods
* of time, such as the entire time your app is running. For that, you should
* probably use SDL_SetRelativeMouseMode() or SDL_SetWindowGrab(), depending
* on your goals.
*
* While captured, mouse events still report coordinates relative to the
* current (foreground) window, but those coordinates may be outside the
* bounds of the window (including negative values). Capturing is only allowed
* for the foreground window. If the window loses focus while capturing, the
* capture will be disabled automatically.
*
* While capturing is enabled, the current window will have the
* `SDL_WINDOW_MOUSE_CAPTURE` flag set.
*
* \param enabled SDL_TRUE to enable capturing, SDL_FALSE to disable.
* \returns 0 on success or -1 if not supported; call SDL_GetError() for more
* information.
*
* \since This function is available since SDL 2.0.4.
*
* \sa SDL_GetGlobalMouseState
*/
extern DECLSPEC int SDLCALL SDL_CaptureMouse(SDL_bool enabled);
/**
* Query whether relative mouse mode is enabled.
*
* \returns SDL_TRUE if relative mode is enabled or SDL_FALSE otherwise.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_SetRelativeMouseMode
*/
extern DECLSPEC SDL_bool SDLCALL SDL_GetRelativeMouseMode(void);
/**
* Create a cursor using the specified bitmap data and mask (in MSB format).
*
* `mask` has to be in MSB (Most Significant Bit) format.
*
* The cursor width (`w`) must be a multiple of 8 bits.
*
* The cursor is created in black and white according to the following:
*
* - data=0, mask=1: white
* - data=1, mask=1: black
* - data=0, mask=0: transparent
* - data=1, mask=0: inverted color if possible, black if not.
*
* Cursors created with this function must be freed with SDL_FreeCursor().
*
* If you want to have a color cursor, or create your cursor from an
* SDL_Surface, you should use SDL_CreateColorCursor(). Alternately, you can
* hide the cursor and draw your own as part of your game's rendering, but it
* will be bound to the framerate.
*
* Also, since SDL 2.0.0, SDL_CreateSystemCursor() is available, which
* provides twelve readily available system cursors to pick from.
*
* \param data the color value for each pixel of the cursor
* \param mask the mask value for each pixel of the cursor
* \param w the width of the cursor
* \param h the height of the cursor
* \param hot_x the X-axis location of the upper left corner of the cursor
* relative to the actual mouse position
* \param hot_y the Y-axis location of the upper left corner of the cursor
* relative to the actual mouse position
* \returns a new cursor with the specified parameters on success or NULL on
* failure; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_FreeCursor
* \sa SDL_SetCursor
* \sa SDL_ShowCursor
*/
extern DECLSPEC SDL_Cursor *SDLCALL SDL_CreateCursor(const Uint8 * data,
const Uint8 * mask,
int w, int h, int hot_x,
int hot_y);
/**
* Create a color cursor.
*
* \param surface an SDL_Surface structure representing the cursor image
* \param hot_x the x position of the cursor hot spot
* \param hot_y the y position of the cursor hot spot
* \returns the new cursor on success or NULL on failure; call SDL_GetError()
* for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateCursor
* \sa SDL_FreeCursor
*/
extern DECLSPEC SDL_Cursor *SDLCALL SDL_CreateColorCursor(SDL_Surface *surface,
int hot_x,
int hot_y);
/**
* Create a system cursor.
*
* \param id an SDL_SystemCursor enum value
* \returns a cursor on success or NULL on failure; call SDL_GetError() for
* more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_FreeCursor
*/
extern DECLSPEC SDL_Cursor *SDLCALL SDL_CreateSystemCursor(SDL_SystemCursor id);
/**
* Set the active cursor.
*
* This function sets the currently active cursor to the specified one. If the
* cursor is currently visible, the change will be immediately represented on
* the display. SDL_SetCursor(NULL) can be used to force cursor redraw, if
* this is desired for any reason.
*
* \param cursor a cursor to make active
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateCursor
* \sa SDL_GetCursor
* \sa SDL_ShowCursor
*/
extern DECLSPEC void SDLCALL SDL_SetCursor(SDL_Cursor * cursor);
/**
* Get the active cursor.
*
* This function returns a pointer to the current cursor which is owned by the
* library. It is not necessary to free the cursor with SDL_FreeCursor().
*
* \returns the active cursor or NULL if there is no mouse.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_SetCursor
*/
extern DECLSPEC SDL_Cursor *SDLCALL SDL_GetCursor(void);
/**
* Get the default cursor.
*
* \returns the default cursor on success or NULL on failure.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateSystemCursor
*/
extern DECLSPEC SDL_Cursor *SDLCALL SDL_GetDefaultCursor(void);
/**
* Free a previously-created cursor.
*
* Use this function to free cursor resources created with SDL_CreateCursor(),
* SDL_CreateColorCursor() or SDL_CreateSystemCursor().
*
* \param cursor the cursor to free
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateColorCursor
* \sa SDL_CreateCursor
* \sa SDL_CreateSystemCursor
*/
extern DECLSPEC void SDLCALL SDL_FreeCursor(SDL_Cursor * cursor);
/**
* Toggle whether or not the cursor is shown.
*
* The cursor starts off displayed but can be turned off. Passing `SDL_ENABLE`
* displays the cursor and passing `SDL_DISABLE` hides it.
*
* The current state of the mouse cursor can be queried by passing
* `SDL_QUERY`; either `SDL_DISABLE` or `SDL_ENABLE` will be returned.
*
* \param toggle `SDL_ENABLE` to show the cursor, `SDL_DISABLE` to hide it,
* `SDL_QUERY` to query the current state without changing it.
* \returns `SDL_ENABLE` if the cursor is shown, or `SDL_DISABLE` if the
* cursor is hidden, or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateCursor
* \sa SDL_SetCursor
*/
extern DECLSPEC int SDLCALL SDL_ShowCursor(int toggle);
/**
* Used as a mask when testing buttons in buttonstate.
*
* - Button 1: Left mouse button
* - Button 2: Middle mouse button
* - Button 3: Right mouse button
*/
#define SDL_BUTTON(X) (1 << ((X)-1))
#define SDL_BUTTON_LEFT 1
#define SDL_BUTTON_MIDDLE 2
#define SDL_BUTTON_RIGHT 3
#define SDL_BUTTON_X1 4
#define SDL_BUTTON_X2 5
#define SDL_BUTTON_LMASK SDL_BUTTON(SDL_BUTTON_LEFT)
#define SDL_BUTTON_MMASK SDL_BUTTON(SDL_BUTTON_MIDDLE)
#define SDL_BUTTON_RMASK SDL_BUTTON(SDL_BUTTON_RIGHT)
#define SDL_BUTTON_X1MASK SDL_BUTTON(SDL_BUTTON_X1)
#define SDL_BUTTON_X2MASK SDL_BUTTON(SDL_BUTTON_X2)
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_mouse_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDL_mutex_h_
#define SDL_mutex_h_
/**
* \file SDL_mutex.h
*
* Functions to provide thread synchronization primitives.
*/
#include "SDL_stdinc.h"
#include "SDL_error.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/**
* Synchronization functions which can time out return this value
* if they time out.
*/
#define SDL_MUTEX_TIMEDOUT 1
/**
* This is the timeout value which corresponds to never time out.
*/
#define SDL_MUTEX_MAXWAIT (~(Uint32)0)
/**
* \name Mutex functions
*/
/* @{ */
/* The SDL mutex structure, defined in SDL_sysmutex.c */
struct SDL_mutex;
typedef struct SDL_mutex SDL_mutex;
/**
* Create a new mutex.
*
* All newly-created mutexes begin in the _unlocked_ state.
*
* Calls to SDL_LockMutex() will not return while the mutex is locked by
* another thread. See SDL_TryLockMutex() to attempt to lock without blocking.
*
* SDL mutexes are reentrant.
*
* \returns the initialized and unlocked mutex or NULL on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_DestroyMutex
* \sa SDL_LockMutex
* \sa SDL_TryLockMutex
* \sa SDL_UnlockMutex
*/
extern DECLSPEC SDL_mutex *SDLCALL SDL_CreateMutex(void);
/**
* Lock the mutex.
*
* This will block until the mutex is available, which is to say it is in the
* unlocked state and the OS has chosen the caller as the next thread to lock
* it. Of all threads waiting to lock the mutex, only one may do so at a time.
*
* It is legal for the owning thread to lock an already-locked mutex. It must
* unlock it the same number of times before it is actually made available for
* other threads in the system (this is known as a "recursive mutex").
*
* \param mutex the mutex to lock
* \return 0, or -1 on error.
*
* \since This function is available since SDL 2.0.0.
*/
extern DECLSPEC int SDLCALL SDL_LockMutex(SDL_mutex * mutex);
#define SDL_mutexP(m) SDL_LockMutex(m)
/**
* Try to lock a mutex without blocking.
*
* This works just like SDL_LockMutex(), but if the mutex is not available,
* this function returns `SDL_MUTEX_TIMEOUT` immediately.
*
* This technique is useful if you need exclusive access to a resource but
* don't want to wait for it, and will return to it to try again later.
*
* \param mutex the mutex to try to lock
* \returns 0, `SDL_MUTEX_TIMEDOUT`, or -1 on error; call SDL_GetError() for
* more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateMutex
* \sa SDL_DestroyMutex
* \sa SDL_LockMutex
* \sa SDL_UnlockMutex
*/
extern DECLSPEC int SDLCALL SDL_TryLockMutex(SDL_mutex * mutex);
/**
* Unlock the mutex.
*
* It is legal for the owning thread to lock an already-locked mutex. It must
* unlock it the same number of times before it is actually made available for
* other threads in the system (this is known as a "recursive mutex").
*
* It is an error to unlock a mutex that has not been locked by the current
* thread, and doing so results in undefined behavior.
*
* It is also an error to unlock a mutex that isn't locked at all.
*
* \param mutex the mutex to unlock.
* \returns 0, or -1 on error.
*
* \since This function is available since SDL 2.0.0.
*/
extern DECLSPEC int SDLCALL SDL_UnlockMutex(SDL_mutex * mutex);
#define SDL_mutexV(m) SDL_UnlockMutex(m)
/**
* Destroy a mutex created with SDL_CreateMutex().
*
* This function must be called on any mutex that is no longer needed. Failure
* to destroy a mutex will result in a system memory or resource leak. While
* it is safe to destroy a mutex that is _unlocked_, it is not safe to attempt
* to destroy a locked mutex, and may result in undefined behavior depending
* on the platform.
*
* \param mutex the mutex to destroy
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateMutex
* \sa SDL_LockMutex
* \sa SDL_TryLockMutex
* \sa SDL_UnlockMutex
*/
extern DECLSPEC void SDLCALL SDL_DestroyMutex(SDL_mutex * mutex);
/* @} *//* Mutex functions */
/**
* \name Semaphore functions
*/
/* @{ */
/* The SDL semaphore structure, defined in SDL_syssem.c */
struct SDL_semaphore;
typedef struct SDL_semaphore SDL_sem;
/**
* Create a semaphore.
*
* This function creates a new semaphore and initializes it with the value
* `initial_value`. Each wait operation on the semaphore will atomically
* decrement the semaphore value and potentially block if the semaphore value
* is 0. Each post operation will atomically increment the semaphore value and
* wake waiting threads and allow them to retry the wait operation.
*
* \param initial_value the starting value of the semaphore
* \returns a new semaphore or NULL on failure; call SDL_GetError() for more
* information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_DestroySemaphore
* \sa SDL_SemPost
* \sa SDL_SemTryWait
* \sa SDL_SemValue
* \sa SDL_SemWait
* \sa SDL_SemWaitTimeout
*/
extern DECLSPEC SDL_sem *SDLCALL SDL_CreateSemaphore(Uint32 initial_value);
/**
* Destroy a semaphore.
*
* It is not safe to destroy a semaphore if there are threads currently
* waiting on it.
*
* \param sem the semaphore to destroy
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateSemaphore
* \sa SDL_SemPost
* \sa SDL_SemTryWait
* \sa SDL_SemValue
* \sa SDL_SemWait
* \sa SDL_SemWaitTimeout
*/
extern DECLSPEC void SDLCALL SDL_DestroySemaphore(SDL_sem * sem);
/**
* Wait until a semaphore has a positive value and then decrements it.
*
* This function suspends the calling thread until either the semaphore
* pointed to by `sem` has a positive value or the call is interrupted by a
* signal or error. If the call is successful it will atomically decrement the
* semaphore value.
*
* This function is the equivalent of calling SDL_SemWaitTimeout() with a time
* length of `SDL_MUTEX_MAXWAIT`.
*
* \param sem the semaphore wait on
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateSemaphore
* \sa SDL_DestroySemaphore
* \sa SDL_SemPost
* \sa SDL_SemTryWait
* \sa SDL_SemValue
* \sa SDL_SemWait
* \sa SDL_SemWaitTimeout
*/
extern DECLSPEC int SDLCALL SDL_SemWait(SDL_sem * sem);
/**
* See if a semaphore has a positive value and decrement it if it does.
*
* This function checks to see if the semaphore pointed to by `sem` has a
* positive value and atomically decrements the semaphore value if it does. If
* the semaphore doesn't have a positive value, the function immediately
* returns SDL_MUTEX_TIMEDOUT.
*
* \param sem the semaphore to wait on
* \returns 0 if the wait succeeds, `SDL_MUTEX_TIMEDOUT` if the wait would
* block, or a negative error code on failure; call SDL_GetError()
* for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateSemaphore
* \sa SDL_DestroySemaphore
* \sa SDL_SemPost
* \sa SDL_SemValue
* \sa SDL_SemWait
* \sa SDL_SemWaitTimeout
*/
extern DECLSPEC int SDLCALL SDL_SemTryWait(SDL_sem * sem);
/**
* Wait until a semaphore has a positive value and then decrements it.
*
* This function suspends the calling thread until either the semaphore
* pointed to by `sem` has a positive value, the call is interrupted by a
* signal or error, or the specified time has elapsed. If the call is
* successful it will atomically decrement the semaphore value.
*
* \param sem the semaphore to wait on
* \param ms the length of the timeout, in milliseconds
* \returns 0 if the wait succeeds, `SDL_MUTEX_TIMEDOUT` if the wait does not
* succeed in the allotted time, or a negative error code on failure;
* call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateSemaphore
* \sa SDL_DestroySemaphore
* \sa SDL_SemPost
* \sa SDL_SemTryWait
* \sa SDL_SemValue
* \sa SDL_SemWait
*/
extern DECLSPEC int SDLCALL SDL_SemWaitTimeout(SDL_sem * sem, Uint32 ms);
/**
* Atomically increment a semaphore's value and wake waiting threads.
*
* \param sem the semaphore to increment
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateSemaphore
* \sa SDL_DestroySemaphore
* \sa SDL_SemTryWait
* \sa SDL_SemValue
* \sa SDL_SemWait
* \sa SDL_SemWaitTimeout
*/
extern DECLSPEC int SDLCALL SDL_SemPost(SDL_sem * sem);
/**
* Get the current value of a semaphore.
*
* \param sem the semaphore to query
* \returns the current value of the semaphore.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CreateSemaphore
*/
extern DECLSPEC Uint32 SDLCALL SDL_SemValue(SDL_sem * sem);
/* @} *//* Semaphore functions */
/**
* \name Condition variable functions
*/
/* @{ */
/* The SDL condition variable structure, defined in SDL_syscond.c */
struct SDL_cond;
typedef struct SDL_cond SDL_cond;
/**
* Create a condition variable.
*
* \returns a new condition variable or NULL on failure; call SDL_GetError()
* for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CondBroadcast
* \sa SDL_CondSignal
* \sa SDL_CondWait
* \sa SDL_CondWaitTimeout
* \sa SDL_DestroyCond
*/
extern DECLSPEC SDL_cond *SDLCALL SDL_CreateCond(void);
/**
* Destroy a condition variable.
*
* \param cond the condition variable to destroy
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CondBroadcast
* \sa SDL_CondSignal
* \sa SDL_CondWait
* \sa SDL_CondWaitTimeout
* \sa SDL_CreateCond
*/
extern DECLSPEC void SDLCALL SDL_DestroyCond(SDL_cond * cond);
/**
* Restart one of the threads that are waiting on the condition variable.
*
* \param cond the condition variable to signal
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CondBroadcast
* \sa SDL_CondWait
* \sa SDL_CondWaitTimeout
* \sa SDL_CreateCond
* \sa SDL_DestroyCond
*/
extern DECLSPEC int SDLCALL SDL_CondSignal(SDL_cond * cond);
/**
* Restart all threads that are waiting on the condition variable.
*
* \param cond the condition variable to signal
* \returns 0 on success or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CondSignal
* \sa SDL_CondWait
* \sa SDL_CondWaitTimeout
* \sa SDL_CreateCond
* \sa SDL_DestroyCond
*/
extern DECLSPEC int SDLCALL SDL_CondBroadcast(SDL_cond * cond);
/**
* Wait until a condition variable is signaled.
*
* This function unlocks the specified `mutex` and waits for another thread to
* call SDL_CondSignal() or SDL_CondBroadcast() on the condition variable
* `cond`. Once the condition variable is signaled, the mutex is re-locked and
* the function returns.
*
* The mutex must be locked before calling this function.
*
* This function is the equivalent of calling SDL_CondWaitTimeout() with a
* time length of `SDL_MUTEX_MAXWAIT`.
*
* \param cond the condition variable to wait on
* \param mutex the mutex used to coordinate thread access
* \returns 0 when it is signaled or a negative error code on failure; call
* SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CondBroadcast
* \sa SDL_CondSignal
* \sa SDL_CondWaitTimeout
* \sa SDL_CreateCond
* \sa SDL_DestroyCond
*/
extern DECLSPEC int SDLCALL SDL_CondWait(SDL_cond * cond, SDL_mutex * mutex);
/**
* Wait until a condition variable is signaled or a certain time has passed.
*
* This function unlocks the specified `mutex` and waits for another thread to
* call SDL_CondSignal() or SDL_CondBroadcast() on the condition variable
* `cond`, or for the specified time to elapse. Once the condition variable is
* signaled or the time elapsed, the mutex is re-locked and the function
* returns.
*
* The mutex must be locked before calling this function.
*
* \param cond the condition variable to wait on
* \param mutex the mutex used to coordinate thread access
* \param ms the maximum time to wait, in milliseconds, or `SDL_MUTEX_MAXWAIT`
* to wait indefinitely
* \returns 0 if the condition variable is signaled, `SDL_MUTEX_TIMEDOUT` if
* the condition is not signaled in the allotted time, or a negative
* error code on failure; call SDL_GetError() for more information.
*
* \since This function is available since SDL 2.0.0.
*
* \sa SDL_CondBroadcast
* \sa SDL_CondSignal
* \sa SDL_CondWait
* \sa SDL_CreateCond
* \sa SDL_DestroyCond
*/
extern DECLSPEC int SDLCALL SDL_CondWaitTimeout(SDL_cond * cond,
SDL_mutex * mutex, Uint32 ms);
/* @} *//* Condition variable functions */
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* SDL_mutex_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#ifndef SDLname_h_
#define SDLname_h_
#if defined(__STDC__) || defined(__cplusplus)
#define NeedFunctionPrototypes 1
#endif
#define SDL_NAME(X) SDL_##X
#endif /* SDLname_h_ */
/* vi: set ts=4 sw=4 expandtab: */

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