Base of the Module system (#8)

Co-authored-by: Curle <curle@gemwire.uk>
This commit is contained in:
dpeter99 2022-11-26 14:22:36 +01:00 committed by GitHub
parent 6dbb04ea83
commit 71b95e1ccf
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137 changed files with 1013 additions and 54416 deletions

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@ -1,13 +0,0 @@
# 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

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

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

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

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@ -1,14 +1,15 @@
cmake_minimum_required(VERSION 3.22)
cmake_minimum_required(VERSION 3.24)
Include(FetchContent)
# Fetch SDL for the runtime
FetchContent_Declare(
SDL2
URL https://www.libsdl.org/release/SDL2-devel-2.0.22-VC.zip
URL https://www.libsdl.org/release/SDL2-devel-2.24.0-VC.zip
)
FetchContent_MakeAvailable(SDL2)
set(SDL2_PATH ${sdl2_SOURCE_DIR})
set(SDL2_DIR ${sdl2_SOURCE_DIR})
list(PREPEND CMAKE_PREFIX_PATH "${sdl2_SOURCE_DIR}/cmake")
# Fetch Catch2 for the file format tests
FetchContent_Declare(
@ -46,29 +47,34 @@ if(NOT spdlog_POPULATED)
add_subdirectory(${spdlog_SOURCE_DIR} ${spdlog_BINARY_DIR})
endif()
FetchContent_Declare(
imgui
GIT_REPOSITORY https://github.com/ocornut/imgui
GIT_TAG 71a0701920dbc83155f718182f01132d1ec2d51e
)
FetchContent_MakeAvailable(imgui)
FetchContent_Declare(
dylib
GIT_REPOSITORY "https://github.com/martin-olivier/dylib"
GIT_TAG "v2.1.0"
)
FetchContent_MakeAvailable(dylib)
# Import some find files
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
project(umbra)
# Fetch ImGui for the application
add_subdirectory(projs/imgui)
# Common utilities
add_subdirectory(projs/shadow/shadow-utility)
# Asset management
add_subdirectory(projs/shadow/shadow-file-format)
# Reflection
add_subdirectory(projs/shadow/shadow-reflection)
set(CMAKE_STATIC_LIBRARY_PREFIX "")
set(CMAKE_SHARED_LIBRARY_PREFIX "")
# Core engine
add_subdirectory(projs/shadow/shadow-engine)
# Renderer
add_subdirectory(projs/shadow/shadow-renderer)
# Runtime executable
add_subdirectory(projs/shadow/shadow-runtime)
add_subdirectory(projs/shadow/shadow-runtime)
add_subdirectory(projs/test-game)

27
cmake/FindImGui.cmake Normal file
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@ -0,0 +1,27 @@
set(CMAKE_CXX_STANDARD 20)
find_package(SDL2 REQUIRED)
find_package(Vulkan REQUIRED)
FILE(GLOB_RECURSE SOURCES ${imgui_SOURCE_DIR}/*.cpp)
FILE(GLOB_RECURSE HEADERS ${imgui_SOURCE_DIR}/*.h)
FILE(GLOB_RECURSE HEADERS ${imgui_SOURCE_DIR}/backends/imgui_impl_vulkan.h)
FILE(GLOB_RECURSE SOURCES ${imgui_SOURCE_DIR}/backends/imgui_impl_vulkan.cpp)
add_library(imgui OBJECT
${imgui_SOURCE_DIR}/imgui.cpp
${imgui_SOURCE_DIR}/imgui_demo.cpp
${imgui_SOURCE_DIR}/imgui_draw.cpp
${imgui_SOURCE_DIR}/imgui_tables.cpp
${imgui_SOURCE_DIR}/imgui_widgets.cpp
${imgui_SOURCE_DIR}/backends/imgui_impl_sdl.cpp
${imgui_SOURCE_DIR}/backends/imgui_impl_vulkan.cpp
)
target_include_directories(imgui
PUBLIC
${SDL2_INCLUDE_DIRS}
${imgui_SOURCE_DIR}
${imgui_SOURCE_DIR}/backends
)
target_link_libraries(imgui PRIVATE SDL2::SDL2 Vulkan::Vulkan)

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@ -1,388 +0,0 @@
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
# Copyright 2019 Amine Ben Hassouna <amine.benhassouna@gmail.com>
# Copyright 2000-2019 Kitware, Inc. and Contributors
# 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 Kitware, Inc. nor the names of 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.
#[=======================================================================[.rst:
FindSDL2
--------
Locate SDL2 library
This module defines the following 'IMPORTED' targets:
::
SDL2::Core
The SDL2 library, if found.
Libraries should link to SDL2::Core
SDL2::Main
The SDL2main library, if found.
Applications should link to SDL2::Main instead of SDL2::Core
This module will set the following variables in your project:
::
SDL2_LIBRARIES, the name of the library to link against
SDL2_INCLUDE_DIRS, where to find SDL.h
SDL2_FOUND, if false, do not try to link to SDL2
SDL2MAIN_FOUND, if false, do not try to link to SDL2main
SDL2_VERSION_STRING, human-readable string containing the version of SDL2
This module responds to the following cache variables:
::
SDL2_PATH
Set a custom SDL2 Library path (default: empty)
SDL2_NO_DEFAULT_PATH
Disable search SDL2 Library in default path.
If SDL2_PATH (default: ON)
Else (default: OFF)
SDL2_INCLUDE_DIR
SDL2 headers path.
SDL2_LIBRARY
SDL2 Library (.dll, .so, .a, etc) path.
SDL2MAIN_LIBRAY
SDL2main Library (.a) path.
SDL2_BUILDING_LIBRARY
This flag is useful only when linking to SDL2_LIBRARIES insead of
SDL2::Main. It is required only when building a library that links to
SDL2_LIBRARIES, because only applications need main() (No need to also
link to SDL2main).
If this flag is defined, then no SDL2main will be added to SDL2_LIBRARIES
and no SDL2::Main target will be created.
Don't forget to include SDLmain.h and SDLmain.m in your project for the
OS X framework based version. (Other versions link to -lSDL2main which
this module will try to find on your behalf.) Also for OS X, this
module will automatically add the -framework Cocoa on your behalf.
Additional Note: If you see an empty SDL2_LIBRARY in your project
configuration, it means CMake did not find your SDL2 library
(SDL2.dll, libsdl2.so, SDL2.framework, etc). Set SDL2_LIBRARY to point
to your SDL2 library, and configure again. Similarly, if you see an
empty SDL2MAIN_LIBRARY, you should set this value as appropriate. These
values are used to generate the final SDL2_LIBRARIES variable and the
SDL2::Core and SDL2::Main targets, but when these values are unset,
SDL2_LIBRARIES, SDL2::Core and SDL2::Main does not get created.
$SDL2DIR is an environment variable that would correspond to the
./configure --prefix=$SDL2DIR used in building SDL2. l.e.galup 9-20-02
Created by Amine Ben Hassouna:
Adapt FindSDL.cmake to SDL2 (FindSDL2.cmake).
Add cache variables for more flexibility:
SDL2_PATH, SDL2_NO_DEFAULT_PATH (for details, see doc above).
Mark 'Threads' as a required dependency for non-OSX systems.
Modernize the FindSDL2.cmake module by creating specific targets:
SDL2::Core and SDL2::Main (for details, see doc above).
Original FindSDL.cmake module:
Modified by Eric Wing. Added code to assist with automated building
by using environmental variables and providing a more
controlled/consistent search behavior. Added new modifications to
recognize OS X frameworks and additional Unix paths (FreeBSD, etc).
Also corrected the header search path to follow "proper" SDL
guidelines. Added a search for SDLmain which is needed by some
platforms. Added a search for threads which is needed by some
platforms. Added needed compile switches for MinGW.
On OSX, this will prefer the Framework version (if found) over others.
People will have to manually change the cache value of SDL2_LIBRARY to
override this selection or set the SDL2_PATH variable or the CMake
environment CMAKE_INCLUDE_PATH to modify the search paths.
Note that the header path has changed from SDL/SDL.h to just SDL.h
This needed to change because "proper" SDL convention is #include
"SDL.h", not <SDL/SDL.h>. This is done for portability reasons
because not all systems place things in SDL/ (see FreeBSD).
#]=======================================================================]
# Define options for searching SDL2 Library in a custom path
set(SDL2_PATH "" CACHE STRING "Custom SDL2 Library path")
set(_SDL2_NO_DEFAULT_PATH OFF)
if(SDL2_PATH)
set(_SDL2_NO_DEFAULT_PATH ON)
endif()
set(SDL2_NO_DEFAULT_PATH ${_SDL2_NO_DEFAULT_PATH}
CACHE BOOL "Disable search SDL2 Library in default path")
unset(_SDL2_NO_DEFAULT_PATH)
set(SDL2_NO_DEFAULT_PATH_CMD)
if(SDL2_NO_DEFAULT_PATH)
set(SDL2_NO_DEFAULT_PATH_CMD NO_DEFAULT_PATH)
endif()
# Search for the SDL2 include directory
find_path(SDL2_INCLUDE_DIR SDL.h
HINTS
ENV SDL2DIR
${SDL2_NO_DEFAULT_PATH_CMD}
PATH_SUFFIXES SDL2
# path suffixes to search inside ENV{SDL2DIR}
include/SDL2 include
PATHS ${SDL2_PATH}
DOC "Where the SDL2 headers can be found"
)
set(SDL2_INCLUDE_DIRS "${SDL2_INCLUDE_DIR}")
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(VC_LIB_PATH_SUFFIX lib/x64)
else()
set(VC_LIB_PATH_SUFFIX lib/x86)
endif()
# SDL-2.0 is the name used by FreeBSD ports...
# don't confuse it for the version number.
find_library(SDL2_LIBRARY
NAMES SDL2 SDL-2.0
HINTS
ENV SDL2DIR
${SDL2_NO_DEFAULT_PATH_CMD}
PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
PATHS ${SDL2_PATH}
DOC "Where the SDL2 Library can be found"
)
set(SDL2_LIBRARIES "${SDL2_LIBRARY}")
if(NOT SDL2_BUILDING_LIBRARY)
if(NOT SDL2_INCLUDE_DIR MATCHES ".framework")
# Non-OS X framework versions expect you to also dynamically link to
# SDL2main. This is mainly for Windows and OS X. Other (Unix) platforms
# seem to provide SDL2main for compatibility even though they don't
# necessarily need it.
if(SDL2_PATH)
set(SDL2MAIN_LIBRARY_PATHS "${SDL2_PATH}")
endif()
if(NOT SDL2_NO_DEFAULT_PATH)
set(SDL2MAIN_LIBRARY_PATHS
/sw
/opt/local
/opt/csw
/opt
"${SDL2MAIN_LIBRARY_PATHS}"
)
endif()
find_library(SDL2MAIN_LIBRARY
NAMES SDL2main
HINTS
ENV SDL2DIR
${SDL2_NO_DEFAULT_PATH_CMD}
PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
PATHS ${SDL2MAIN_LIBRARY_PATHS}
DOC "Where the SDL2main library can be found"
)
unset(SDL2MAIN_LIBRARY_PATHS)
endif()
endif()
# SDL2 may require threads on your system.
# The Apple build may not need an explicit flag because one of the
# frameworks may already provide it.
# But for non-OSX systems, I will use the CMake Threads package.
if(NOT APPLE)
find_package(Threads QUIET)
if(NOT Threads_FOUND)
set(SDL2_THREADS_NOT_FOUND "Could NOT find Threads (Threads is required by SDL2).")
if(SDL2_FIND_REQUIRED)
message(FATAL_ERROR ${SDL2_THREADS_NOT_FOUND})
else()
if(NOT SDL2_FIND_QUIETLY)
message(STATUS ${SDL2_THREADS_NOT_FOUND})
endif()
return()
endif()
unset(SDL2_THREADS_NOT_FOUND)
endif()
endif()
# MinGW needs an additional link flag, -mwindows
# It's total link flags should look like -lmingw32 -lSDL2main -lSDL2 -mwindows
if(MINGW)
set(MINGW32_LIBRARY mingw32 "-mwindows" CACHE STRING "link flags for MinGW")
endif()
if(SDL2_LIBRARY)
# For SDL2main
if(SDL2MAIN_LIBRARY AND NOT SDL2_BUILDING_LIBRARY)
list(FIND SDL2_LIBRARIES "${SDL2MAIN_LIBRARY}" _SDL2_MAIN_INDEX)
if(_SDL2_MAIN_INDEX EQUAL -1)
set(SDL2_LIBRARIES "${SDL2MAIN_LIBRARY}" ${SDL2_LIBRARIES})
endif()
unset(_SDL2_MAIN_INDEX)
endif()
# For OS X, SDL2 uses Cocoa as a backend so it must link to Cocoa.
# CMake doesn't display the -framework Cocoa string in the UI even
# though it actually is there if I modify a pre-used variable.
# I think it has something to do with the CACHE STRING.
# So I use a temporary variable until the end so I can set the
# "real" variable in one-shot.
if(APPLE)
set(SDL2_LIBRARIES ${SDL2_LIBRARIES} -framework Cocoa)
endif()
# For threads, as mentioned Apple doesn't need this.
# In fact, there seems to be a problem if I used the Threads package
# and try using this line, so I'm just skipping it entirely for OS X.
if(NOT APPLE)
set(SDL2_LIBRARIES ${SDL2_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
endif()
# For MinGW library
if(MINGW)
set(SDL2_LIBRARIES ${MINGW32_LIBRARY} ${SDL2_LIBRARIES})
endif()
endif()
# Read SDL2 version
if(SDL2_INCLUDE_DIR AND EXISTS "${SDL2_INCLUDE_DIR}/SDL_version.h")
file(STRINGS "${SDL2_INCLUDE_DIR}/SDL_version.h" SDL2_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL_MAJOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL2_INCLUDE_DIR}/SDL_version.h" SDL2_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL_MINOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL2_INCLUDE_DIR}/SDL_version.h" SDL2_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL_PATCHLEVEL[ \t]+[0-9]+$")
string(REGEX REPLACE "^#define[ \t]+SDL_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_VERSION_MAJOR "${SDL2_VERSION_MAJOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_VERSION_MINOR "${SDL2_VERSION_MINOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_VERSION_PATCH "${SDL2_VERSION_PATCH_LINE}")
set(SDL2_VERSION_STRING ${SDL2_VERSION_MAJOR}.${SDL2_VERSION_MINOR}.${SDL2_VERSION_PATCH})
unset(SDL2_VERSION_MAJOR_LINE)
unset(SDL2_VERSION_MINOR_LINE)
unset(SDL2_VERSION_PATCH_LINE)
unset(SDL2_VERSION_MAJOR)
unset(SDL2_VERSION_MINOR)
unset(SDL2_VERSION_PATCH)
endif()
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2
REQUIRED_VARS SDL2_LIBRARY SDL2_INCLUDE_DIR
VERSION_VAR SDL2_VERSION_STRING)
if(SDL2MAIN_LIBRARY)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2main
REQUIRED_VARS SDL2MAIN_LIBRARY SDL2_INCLUDE_DIR
VERSION_VAR SDL2_VERSION_STRING)
endif()
mark_as_advanced(SDL2_PATH
SDL2_NO_DEFAULT_PATH
SDL2_LIBRARY
SDL2MAIN_LIBRARY
SDL2_INCLUDE_DIR
SDL2_BUILDING_LIBRARY)
# SDL2:: targets (SDL2::Core and SDL2::Main)
if(SDL2_FOUND)
# SDL2::Core target
if(SDL2_LIBRARY AND NOT TARGET SDL2::Core)
add_library(SDL2::Core UNKNOWN IMPORTED)
set_target_properties(SDL2::Core PROPERTIES
IMPORTED_LOCATION "${SDL2_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}")
if(APPLE)
# For OS X, SDL2 uses Cocoa as a backend so it must link to Cocoa.
# For more details, please see above.
set_property(TARGET SDL2::Core APPEND PROPERTY
INTERFACE_LINK_OPTIONS -framework Cocoa)
else()
# For threads, as mentioned Apple doesn't need this.
# For more details, please see above.
set_property(TARGET SDL2::Core APPEND PROPERTY
INTERFACE_LINK_LIBRARIES Threads::Threads)
endif()
endif()
# SDL2::Main target
# Applications should link to SDL2::Main instead of SDL2::Core
# For more details, please see above.
if(NOT SDL2_BUILDING_LIBRARY AND NOT TARGET SDL2::Main)
if(SDL2_INCLUDE_DIR MATCHES ".framework" OR NOT SDL2MAIN_LIBRARY)
add_library(SDL2::Main INTERFACE IMPORTED)
set_property(TARGET SDL2::Main PROPERTY
INTERFACE_LINK_LIBRARIES SDL2::Core)
elseif(SDL2MAIN_LIBRARY)
# MinGW requires that the mingw32 library is specified before the
# libSDL2main.a static library when linking.
# The SDL2::MainInternal target is used internally to make sure that
# CMake respects this condition.
add_library(SDL2::MainInternal UNKNOWN IMPORTED)
set_property(TARGET SDL2::MainInternal PROPERTY
IMPORTED_LOCATION "${SDL2MAIN_LIBRARY}")
set_property(TARGET SDL2::MainInternal PROPERTY
INTERFACE_LINK_LIBRARIES SDL2::Core)
add_library(SDL2::Main INTERFACE IMPORTED)
if(MINGW)
# MinGW needs an additional link flag '-mwindows' and link to mingw32
set_property(TARGET SDL2::Main PROPERTY
INTERFACE_LINK_LIBRARIES "mingw32" "-mwindows")
endif()
set_property(TARGET SDL2::Main APPEND PROPERTY
INTERFACE_LINK_LIBRARIES SDL2::MainInternal)
endif()
endif()
endif()

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@ -1,14 +1,29 @@
@startuml
[shadow-engine] <<static lib>> as engine
[shadow-light] <<exe>> as editor
[shadow-entity] <<static lib>> as shentity
[shadow-file-format] <<static lib>> as shff
[shadow-reflection] <<static lib>> as shreflection
[shadow-renderer] <<static lib>> as shrenderer
[shadow-utilty] <<static lib>> as shutitily
[shadow-engine] <<static/dynamic lib>> as shengine
shentity --* shengine
shff --* shengine
shreflection --* shengine
shrenderer --* shengine
shutitily --* shengine
[shadow-runner] <<exe>> as runner
[test-game] <<dll>> as game
engine <-editor
runner -> engine
shengine <- editor
runner -> shengine
game ..> engine
game ..> shengine : uses
runner --> game : loads
editor --> game : loads

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@ -1,11 +0,0 @@
set(CMAKE_CXX_STANDARD 20)
find_package(SDL2 REQUIRED)
find_package(Vulkan REQUIRED)
FILE(GLOB_RECURSE SOURCES *.cpp)
FILE(GLOB_RECURSE HEADERS *.h)
add_library(imgui ${SOURCES})
target_include_directories(imgui PRIVATE ${SDL2_INCLUDE_DIRS} PUBLIC .)
target_link_libraries(imgui PRIVATE SDL2::Main Vulkan::Vulkan)

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//-----------------------------------------------------------------------------
// COMPILE-TIME OPTIONS FOR DEAR IMGUI
// Runtime options (clipboard callbacks, enabling various features, etc.) can generally be set via the ImGuiIO structure.
// You can use ImGui::SetAllocatorFunctions() before calling ImGui::CreateContext() to rewire memory allocation functions.
//-----------------------------------------------------------------------------
// A) You may edit imconfig.h (and not overwrite it when updating Dear ImGui, or maintain a patch/rebased branch with your modifications to it)
// B) or '#define IMGUI_USER_CONFIG "my_imgui_config.h"' in your project and then add directives in your own file without touching this template.
//-----------------------------------------------------------------------------
// You need to make sure that configuration settings are defined consistently _everywhere_ Dear ImGui is used, which include the imgui*.cpp
// files but also _any_ of your code that uses Dear ImGui. This is because some compile-time options have an affect on data structures.
// Defining those options in imconfig.h will ensure every compilation unit gets to see the same data structure layouts.
// Call IMGUI_CHECKVERSION() from your .cpp files to verify that the data structures your files are using are matching the ones imgui.cpp is using.
//-----------------------------------------------------------------------------
#pragma once
//---- Define assertion handler. Defaults to calling assert().
// If your macro uses multiple statements, make sure is enclosed in a 'do { .. } while (0)' block so it can be used as a single statement.
//#define IM_ASSERT(_EXPR) MyAssert(_EXPR)
//#define IM_ASSERT(_EXPR) ((void)(_EXPR)) // Disable asserts
//---- Define attributes of all API symbols declarations, e.g. for DLL under Windows
// Using Dear ImGui via a shared library is not recommended, because of function call overhead and because we don't guarantee backward nor forward ABI compatibility.
// DLL users: heaps and globals are not shared across DLL boundaries! You will need to call SetCurrentContext() + SetAllocatorFunctions()
// for each static/DLL boundary you are calling from. Read "Context and Memory Allocators" section of imgui.cpp for more details.
//#define IMGUI_API __declspec( dllexport )
//#define IMGUI_API __declspec( dllimport )
//---- Don't define obsolete functions/enums/behaviors. Consider enabling from time to time after updating to avoid using soon-to-be obsolete function/names.
//#define IMGUI_DISABLE_OBSOLETE_FUNCTIONS
//#define IMGUI_DISABLE_OBSOLETE_KEYIO // 1.87: disable legacy io.KeyMap[]+io.KeysDown[] in favor io.AddKeyEvent(). This will be folded into IMGUI_DISABLE_OBSOLETE_FUNCTIONS in a few versions.
//---- Disable all of Dear ImGui or don't implement standard windows/tools.
// It is very strongly recommended to NOT disable the demo windows and debug tool during development. They are extremely useful in day to day work. Please read comments in imgui_demo.cpp.
//#define IMGUI_DISABLE // Disable everything: all headers and source files will be empty.
//#define IMGUI_DISABLE_DEMO_WINDOWS // Disable demo windows: ShowDemoWindow()/ShowStyleEditor() will be empty.
//#define IMGUI_DISABLE_DEBUG_TOOLS // Disable metrics/debugger and other debug tools: ShowMetricsWindow(), ShowDebugLogWindow() and ShowStackToolWindow() will be empty (this was called IMGUI_DISABLE_METRICS_WINDOW before 1.88).
//---- Don't implement some functions to reduce linkage requirements.
//#define IMGUI_DISABLE_WIN32_DEFAULT_CLIPBOARD_FUNCTIONS // [Win32] Don't implement default clipboard handler. Won't use and link with OpenClipboard/GetClipboardData/CloseClipboard etc. (user32.lib/.a, kernel32.lib/.a)
//#define IMGUI_ENABLE_WIN32_DEFAULT_IME_FUNCTIONS // [Win32] [Default with Visual Studio] Implement default IME handler (require imm32.lib/.a, auto-link for Visual Studio, -limm32 on command-line for MinGW)
//#define IMGUI_DISABLE_WIN32_DEFAULT_IME_FUNCTIONS // [Win32] [Default with non-Visual Studio compilers] Don't implement default IME handler (won't require imm32.lib/.a)
//#define IMGUI_DISABLE_WIN32_FUNCTIONS // [Win32] Won't use and link with any Win32 function (clipboard, ime).
//#define IMGUI_ENABLE_OSX_DEFAULT_CLIPBOARD_FUNCTIONS // [OSX] Implement default OSX clipboard handler (need to link with '-framework ApplicationServices', this is why this is not the default).
//#define IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS // Don't implement ImFormatString/ImFormatStringV so you can implement them yourself (e.g. if you don't want to link with vsnprintf)
//#define IMGUI_DISABLE_DEFAULT_MATH_FUNCTIONS // Don't implement ImFabs/ImSqrt/ImPow/ImFmod/ImCos/ImSin/ImAcos/ImAtan2 so you can implement them yourself.
//#define IMGUI_DISABLE_FILE_FUNCTIONS // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite and ImFileHandle at all (replace them with dummies)
//#define IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite and ImFileHandle so you can implement them yourself if you don't want to link with fopen/fclose/fread/fwrite. This will also disable the LogToTTY() function.
//#define IMGUI_DISABLE_DEFAULT_ALLOCATORS // Don't implement default allocators calling malloc()/free() to avoid linking with them. You will need to call ImGui::SetAllocatorFunctions().
//#define IMGUI_DISABLE_SSE // Disable use of SSE intrinsics even if available
//---- Include imgui_user.h at the end of imgui.h as a convenience
//#define IMGUI_INCLUDE_IMGUI_USER_H
//---- Pack colors to BGRA8 instead of RGBA8 (to avoid converting from one to another)
//#define IMGUI_USE_BGRA_PACKED_COLOR
//---- Use 32-bit for ImWchar (default is 16-bit) to support unicode planes 1-16. (e.g. point beyond 0xFFFF like emoticons, dingbats, symbols, shapes, ancient languages, etc...)
//#define IMGUI_USE_WCHAR32
//---- Avoid multiple STB libraries implementations, or redefine path/filenames to prioritize another version
// By default the embedded implementations are declared static and not available outside of Dear ImGui sources files.
//#define IMGUI_STB_TRUETYPE_FILENAME "my_folder/stb_truetype.h"
//#define IMGUI_STB_RECT_PACK_FILENAME "my_folder/stb_rect_pack.h"
//#define IMGUI_STB_SPRINTF_FILENAME "my_folder/stb_sprintf.h" // only used if enabled
//#define IMGUI_DISABLE_STB_TRUETYPE_IMPLEMENTATION
//#define IMGUI_DISABLE_STB_RECT_PACK_IMPLEMENTATION
//---- Use stb_sprintf.h for a faster implementation of vsnprintf instead of the one from libc (unless IMGUI_DISABLE_DEFAULT_FORMAT_FUNCTIONS is defined)
// Compatibility checks of arguments and formats done by clang and GCC will be disabled in order to support the extra formats provided by stb_sprintf.h.
//#define IMGUI_USE_STB_SPRINTF
//---- Use FreeType to build and rasterize the font atlas (instead of stb_truetype which is embedded by default in Dear ImGui)
// Requires FreeType headers to be available in the include path. Requires program to be compiled with 'misc/freetype/imgui_freetype.cpp' (in this repository) + the FreeType library (not provided).
// On Windows you may use vcpkg with 'vcpkg install freetype --triplet=x64-windows' + 'vcpkg integrate install'.
//#define IMGUI_ENABLE_FREETYPE
//---- Use stb_truetype to build and rasterize the font atlas (default)
// The only purpose of this define is if you want force compilation of the stb_truetype backend ALONG with the FreeType backend.
//#define IMGUI_ENABLE_STB_TRUETYPE
//---- Define constructor and implicit cast operators to convert back<>forth between your math types and ImVec2/ImVec4.
// This will be inlined as part of ImVec2 and ImVec4 class declarations.
/*
#define IM_VEC2_CLASS_EXTRA \
constexpr ImVec2(const MyVec2& f) : x(f.x), y(f.y) {} \
operator MyVec2() const { return MyVec2(x,y); }
#define IM_VEC4_CLASS_EXTRA \
constexpr ImVec4(const MyVec4& f) : x(f.x), y(f.y), z(f.z), w(f.w) {} \
operator MyVec4() const { return MyVec4(x,y,z,w); }
*/
//---- Use 32-bit vertex indices (default is 16-bit) is one way to allow large meshes with more than 64K vertices.
// Your renderer backend will need to support it (most example renderer backends support both 16/32-bit indices).
// Another way to allow large meshes while keeping 16-bit indices is to handle ImDrawCmd::VtxOffset in your renderer.
// Read about ImGuiBackendFlags_RendererHasVtxOffset for details.
//#define ImDrawIdx unsigned int
//---- Override ImDrawCallback signature (will need to modify renderer backends accordingly)
//struct ImDrawList;
//struct ImDrawCmd;
//typedef void (*MyImDrawCallback)(const ImDrawList* draw_list, const ImDrawCmd* cmd, void* my_renderer_user_data);
//#define ImDrawCallback MyImDrawCallback
//---- Debug Tools: Macro to break in Debugger
// (use 'Metrics->Tools->Item Picker' to pick widgets with the mouse and break into them for easy debugging.)
//#define IM_DEBUG_BREAK IM_ASSERT(0)
//#define IM_DEBUG_BREAK __debugbreak()
//---- Debug Tools: Have the Item Picker break in the ItemAdd() function instead of ItemHoverable(),
// (which comes earlier in the code, will catch a few extra items, allow picking items other than Hovered one.)
// This adds a small runtime cost which is why it is not enabled by default.
//#define IMGUI_DEBUG_TOOL_ITEM_PICKER_EX
//---- Debug Tools: Enable slower asserts
//#define IMGUI_DEBUG_PARANOID
//---- Tip: You can add extra functions within the ImGui:: namespace, here or in your own headers files.
/*
namespace ImGui
{
void MyFunction(const char* name, const MyMatrix44& v);
}
*/

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// dear imgui: Platform Backend for SDL2
// This needs to be used along with a Renderer (e.g. DirectX11, OpenGL3, Vulkan..)
// (Info: SDL2 is a cross-platform general purpose library for handling windows, inputs, graphics context creation, etc.)
// (Prefer SDL 2.0.5+ for full feature support.)
// Implemented features:
// [X] Platform: Clipboard support.
// [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy SDL_SCANCODE_* values will also be supported unless IMGUI_DISABLE_OBSOLETE_KEYIO is set]
// [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
// [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
// Missing features:
// [ ] Platform: SDL2 handling of IME under Windows appears to be broken and it explicitly disable the regular Windows IME. You can restore Windows IME by compiling SDL with SDL_DISABLE_WINDOWS_IME.
// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
// Read online: https://github.com/ocornut/imgui/tree/master/docs
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2022-03-22: Inputs: Fix mouse position issues when dragging outside of boundaries. SDL_CaptureMouse() erroneously still gives out LEAVE events when hovering OS decorations.
// 2022-03-22: Inputs: Added support for extra mouse buttons (SDL_BUTTON_X1/SDL_BUTTON_X2).
// 2022-02-04: Added SDL_Renderer* parameter to ImGui_ImplSDL2_InitForSDLRenderer(), so we can use SDL_GetRendererOutputSize() instead of SDL_GL_GetDrawableSize() when bound to a SDL_Renderer.
// 2022-01-26: Inputs: replaced short-lived io.AddKeyModsEvent() (added two weeks ago) with io.AddKeyEvent() using ImGuiKey_ModXXX flags. Sorry for the confusion.
// 2021-01-20: Inputs: calling new io.AddKeyAnalogEvent() for gamepad support, instead of writing directly to io.NavInputs[].
// 2022-01-17: Inputs: calling new io.AddMousePosEvent(), io.AddMouseButtonEvent(), io.AddMouseWheelEvent() API (1.87+).
// 2022-01-17: Inputs: always update key mods next and before key event (not in NewFrame) to fix input queue with very low framerates.
// 2022-01-12: Update mouse inputs using SDL_MOUSEMOTION/SDL_WINDOWEVENT_LEAVE + fallback to provide it when focused but not hovered/captured. More standard and will allow us to pass it to future input queue API.
// 2022-01-12: Maintain our own copy of MouseButtonsDown mask instead of using ImGui::IsAnyMouseDown() which will be obsoleted.
// 2022-01-10: Inputs: calling new io.AddKeyEvent(), io.AddKeyModsEvent() + io.SetKeyEventNativeData() API (1.87+). Support for full ImGuiKey range.
// 2021-08-17: Calling io.AddFocusEvent() on SDL_WINDOWEVENT_FOCUS_GAINED/SDL_WINDOWEVENT_FOCUS_LOST.
// 2021-07-29: Inputs: MousePos is correctly reported when the host platform window is hovered but not focused (using SDL_GetMouseFocus() + SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH, requires SDL 2.0.5+)
// 2021-06-29: *BREAKING CHANGE* Removed 'SDL_Window* window' parameter to ImGui_ImplSDL2_NewFrame() which was unnecessary.
// 2021-06-29: Reorganized backend to pull data from a single structure to facilitate usage with multiple-contexts (all g_XXXX access changed to bd->XXXX).
// 2021-03-22: Rework global mouse pos availability check listing supported platforms explicitly, effectively fixing mouse access on Raspberry Pi. (#2837, #3950)
// 2020-05-25: Misc: Report a zero display-size when window is minimized, to be consistent with other backends.
// 2020-02-20: Inputs: Fixed mapping for ImGuiKey_KeyPadEnter (using SDL_SCANCODE_KP_ENTER instead of SDL_SCANCODE_RETURN2).
// 2019-12-17: Inputs: On Wayland, use SDL_GetMouseState (because there is no global mouse state).
// 2019-12-05: Inputs: Added support for ImGuiMouseCursor_NotAllowed mouse cursor.
// 2019-07-21: Inputs: Added mapping for ImGuiKey_KeyPadEnter.
// 2019-04-23: Inputs: Added support for SDL_GameController (if ImGuiConfigFlags_NavEnableGamepad is set by user application).
// 2019-03-12: Misc: Preserve DisplayFramebufferScale when main window is minimized.
// 2018-12-21: Inputs: Workaround for Android/iOS which don't seem to handle focus related calls.
// 2018-11-30: Misc: Setting up io.BackendPlatformName so it can be displayed in the About Window.
// 2018-11-14: Changed the signature of ImGui_ImplSDL2_ProcessEvent() to take a 'const SDL_Event*'.
// 2018-08-01: Inputs: Workaround for Emscripten which doesn't seem to handle focus related calls.
// 2018-06-29: Inputs: Added support for the ImGuiMouseCursor_Hand cursor.
// 2018-06-08: Misc: Extracted imgui_impl_sdl.cpp/.h away from the old combined SDL2+OpenGL/Vulkan examples.
// 2018-06-08: Misc: ImGui_ImplSDL2_InitForOpenGL() now takes a SDL_GLContext parameter.
// 2018-05-09: Misc: Fixed clipboard paste memory leak (we didn't call SDL_FreeMemory on the data returned by SDL_GetClipboardText).
// 2018-03-20: Misc: Setup io.BackendFlags ImGuiBackendFlags_HasMouseCursors flag + honor ImGuiConfigFlags_NoMouseCursorChange flag.
// 2018-02-16: Inputs: Added support for mouse cursors, honoring ImGui::GetMouseCursor() value.
// 2018-02-06: Misc: Removed call to ImGui::Shutdown() which is not available from 1.60 WIP, user needs to call CreateContext/DestroyContext themselves.
// 2018-02-06: Inputs: Added mapping for ImGuiKey_Space.
// 2018-02-05: Misc: Using SDL_GetPerformanceCounter() instead of SDL_GetTicks() to be able to handle very high framerate (1000+ FPS).
// 2018-02-05: Inputs: Keyboard mapping is using scancodes everywhere instead of a confusing mixture of keycodes and scancodes.
// 2018-01-20: Inputs: Added Horizontal Mouse Wheel support.
// 2018-01-19: Inputs: When available (SDL 2.0.4+) using SDL_CaptureMouse() to retrieve coordinates outside of client area when dragging. Otherwise (SDL 2.0.3 and before) testing for SDL_WINDOW_INPUT_FOCUS instead of SDL_WINDOW_MOUSE_FOCUS.
// 2018-01-18: Inputs: Added mapping for ImGuiKey_Insert.
// 2017-08-25: Inputs: MousePos set to -FLT_MAX,-FLT_MAX when mouse is unavailable/missing (instead of -1,-1).
// 2016-10-15: Misc: Added a void* user_data parameter to Clipboard function handlers.
#include "imgui.h"
#include "imgui_impl_sdl.h"
// SDL
#include <SDL.h>
#include <SDL_syswm.h>
#if defined(__APPLE__)
#include <TargetConditionals.h>
#endif
#if SDL_VERSION_ATLEAST(2,0,4) && !defined(__EMSCRIPTEN__) && !defined(__ANDROID__) && !(defined(__APPLE__) && TARGET_OS_IOS) && !defined(__amigaos4__)
#define SDL_HAS_CAPTURE_AND_GLOBAL_MOUSE 1
#else
#define SDL_HAS_CAPTURE_AND_GLOBAL_MOUSE 0
#endif
#define SDL_HAS_MOUSE_FOCUS_CLICKTHROUGH SDL_VERSION_ATLEAST(2,0,5)
#define SDL_HAS_VULKAN SDL_VERSION_ATLEAST(2,0,6)
// SDL Data
struct ImGui_ImplSDL2_Data
{
SDL_Window* Window;
SDL_Renderer* Renderer;
Uint64 Time;
int MouseButtonsDown;
SDL_Cursor* MouseCursors[ImGuiMouseCursor_COUNT];
int PendingMouseLeaveFrame;
char* ClipboardTextData;
bool MouseCanUseGlobalState;
ImGui_ImplSDL2_Data() { memset((void*)this, 0, sizeof(*this)); }
};
// Backend data stored in io.BackendPlatformUserData to allow support for multiple Dear ImGui contexts
// It is STRONGLY preferred that you use docking branch with multi-viewports (== single Dear ImGui context + multiple windows) instead of multiple Dear ImGui contexts.
// FIXME: multi-context support is not well tested and probably dysfunctional in this backend.
// FIXME: some shared resources (mouse cursor shape, gamepad) are mishandled when using multi-context.
static ImGui_ImplSDL2_Data* ImGui_ImplSDL2_GetBackendData()
{
return ImGui::GetCurrentContext() ? (ImGui_ImplSDL2_Data*)ImGui::GetIO().BackendPlatformUserData : NULL;
}
// Functions
static const char* ImGui_ImplSDL2_GetClipboardText(void*)
{
ImGui_ImplSDL2_Data* bd = ImGui_ImplSDL2_GetBackendData();
if (bd->ClipboardTextData)
SDL_free(bd->ClipboardTextData);
bd->ClipboardTextData = SDL_GetClipboardText();
return bd->ClipboardTextData;
}
static void ImGui_ImplSDL2_SetClipboardText(void*, const char* text)
{
SDL_SetClipboardText(text);
}
static ImGuiKey ImGui_ImplSDL2_KeycodeToImGuiKey(int keycode)
{
switch (keycode)
{
case SDLK_TAB: return ImGuiKey_Tab;
case SDLK_LEFT: return ImGuiKey_LeftArrow;
case SDLK_RIGHT: return ImGuiKey_RightArrow;
case SDLK_UP: return ImGuiKey_UpArrow;
case SDLK_DOWN: return ImGuiKey_DownArrow;
case SDLK_PAGEUP: return ImGuiKey_PageUp;
case SDLK_PAGEDOWN: return ImGuiKey_PageDown;
case SDLK_HOME: return ImGuiKey_Home;
case SDLK_END: return ImGuiKey_End;
case SDLK_INSERT: return ImGuiKey_Insert;
case SDLK_DELETE: return ImGuiKey_Delete;
case SDLK_BACKSPACE: return ImGuiKey_Backspace;
case SDLK_SPACE: return ImGuiKey_Space;
case SDLK_RETURN: return ImGuiKey_Enter;
case SDLK_ESCAPE: return ImGuiKey_Escape;
case SDLK_QUOTE: return ImGuiKey_Apostrophe;
case SDLK_COMMA: return ImGuiKey_Comma;
case SDLK_MINUS: return ImGuiKey_Minus;
case SDLK_PERIOD: return ImGuiKey_Period;
case SDLK_SLASH: return ImGuiKey_Slash;
case SDLK_SEMICOLON: return ImGuiKey_Semicolon;
case SDLK_EQUALS: return ImGuiKey_Equal;
case SDLK_LEFTBRACKET: return ImGuiKey_LeftBracket;
case SDLK_BACKSLASH: return ImGuiKey_Backslash;
case SDLK_RIGHTBRACKET: return ImGuiKey_RightBracket;
case SDLK_BACKQUOTE: return ImGuiKey_GraveAccent;
case SDLK_CAPSLOCK: return ImGuiKey_CapsLock;
case SDLK_SCROLLLOCK: return ImGuiKey_ScrollLock;
case SDLK_NUMLOCKCLEAR: return ImGuiKey_NumLock;
case SDLK_PRINTSCREEN: return ImGuiKey_PrintScreen;
case SDLK_PAUSE: return ImGuiKey_Pause;
case SDLK_KP_0: return ImGuiKey_Keypad0;
case SDLK_KP_1: return ImGuiKey_Keypad1;
case SDLK_KP_2: return ImGuiKey_Keypad2;
case SDLK_KP_3: return ImGuiKey_Keypad3;
case SDLK_KP_4: return ImGuiKey_Keypad4;
case SDLK_KP_5: return ImGuiKey_Keypad5;
case SDLK_KP_6: return ImGuiKey_Keypad6;
case SDLK_KP_7: return ImGuiKey_Keypad7;
case SDLK_KP_8: return ImGuiKey_Keypad8;
case SDLK_KP_9: return ImGuiKey_Keypad9;
case SDLK_KP_PERIOD: return ImGuiKey_KeypadDecimal;
case SDLK_KP_DIVIDE: return ImGuiKey_KeypadDivide;
case SDLK_KP_MULTIPLY: return ImGuiKey_KeypadMultiply;
case SDLK_KP_MINUS: return ImGuiKey_KeypadSubtract;
case SDLK_KP_PLUS: return ImGuiKey_KeypadAdd;
case SDLK_KP_ENTER: return ImGuiKey_KeypadEnter;
case SDLK_KP_EQUALS: return ImGuiKey_KeypadEqual;
case SDLK_LCTRL: return ImGuiKey_LeftCtrl;
case SDLK_LSHIFT: return ImGuiKey_LeftShift;
case SDLK_LALT: return ImGuiKey_LeftAlt;
case SDLK_LGUI: return ImGuiKey_LeftSuper;
case SDLK_RCTRL: return ImGuiKey_RightCtrl;
case SDLK_RSHIFT: return ImGuiKey_RightShift;
case SDLK_RALT: return ImGuiKey_RightAlt;
case SDLK_RGUI: return ImGuiKey_RightSuper;
case SDLK_APPLICATION: return ImGuiKey_Menu;
case SDLK_0: return ImGuiKey_0;
case SDLK_1: return ImGuiKey_1;
case SDLK_2: return ImGuiKey_2;
case SDLK_3: return ImGuiKey_3;
case SDLK_4: return ImGuiKey_4;
case SDLK_5: return ImGuiKey_5;
case SDLK_6: return ImGuiKey_6;
case SDLK_7: return ImGuiKey_7;
case SDLK_8: return ImGuiKey_8;
case SDLK_9: return ImGuiKey_9;
case SDLK_a: return ImGuiKey_A;
case SDLK_b: return ImGuiKey_B;
case SDLK_c: return ImGuiKey_C;
case SDLK_d: return ImGuiKey_D;
case SDLK_e: return ImGuiKey_E;
case SDLK_f: return ImGuiKey_F;
case SDLK_g: return ImGuiKey_G;
case SDLK_h: return ImGuiKey_H;
case SDLK_i: return ImGuiKey_I;
case SDLK_j: return ImGuiKey_J;
case SDLK_k: return ImGuiKey_K;
case SDLK_l: return ImGuiKey_L;
case SDLK_m: return ImGuiKey_M;
case SDLK_n: return ImGuiKey_N;
case SDLK_o: return ImGuiKey_O;
case SDLK_p: return ImGuiKey_P;
case SDLK_q: return ImGuiKey_Q;
case SDLK_r: return ImGuiKey_R;
case SDLK_s: return ImGuiKey_S;
case SDLK_t: return ImGuiKey_T;
case SDLK_u: return ImGuiKey_U;
case SDLK_v: return ImGuiKey_V;
case SDLK_w: return ImGuiKey_W;
case SDLK_x: return ImGuiKey_X;
case SDLK_y: return ImGuiKey_Y;
case SDLK_z: return ImGuiKey_Z;
case SDLK_F1: return ImGuiKey_F1;
case SDLK_F2: return ImGuiKey_F2;
case SDLK_F3: return ImGuiKey_F3;
case SDLK_F4: return ImGuiKey_F4;
case SDLK_F5: return ImGuiKey_F5;
case SDLK_F6: return ImGuiKey_F6;
case SDLK_F7: return ImGuiKey_F7;
case SDLK_F8: return ImGuiKey_F8;
case SDLK_F9: return ImGuiKey_F9;
case SDLK_F10: return ImGuiKey_F10;
case SDLK_F11: return ImGuiKey_F11;
case SDLK_F12: return ImGuiKey_F12;
}
return ImGuiKey_None;
}
static void ImGui_ImplSDL2_UpdateKeyModifiers(SDL_Keymod sdl_key_mods)
{
ImGuiIO& io = ImGui::GetIO();
io.AddKeyEvent(ImGuiKey_ModCtrl, (sdl_key_mods & KMOD_CTRL) != 0);
io.AddKeyEvent(ImGuiKey_ModShift, (sdl_key_mods & KMOD_SHIFT) != 0);
io.AddKeyEvent(ImGuiKey_ModAlt, (sdl_key_mods & KMOD_ALT) != 0);
io.AddKeyEvent(ImGuiKey_ModSuper, (sdl_key_mods & KMOD_GUI) != 0);
}
// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data.
// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data.
// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
// If you have multiple SDL events and some of them are not meant to be used by dear imgui, you may need to filter events based on their windowID field.
bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event)
{
ImGuiIO& io = ImGui::GetIO();
ImGui_ImplSDL2_Data* bd = ImGui_ImplSDL2_GetBackendData();
switch (event->type)
{
case SDL_MOUSEMOTION:
{
io.AddMousePosEvent((float)event->motion.x, (float)event->motion.y);
return true;
}
case SDL_MOUSEWHEEL:
{
float wheel_x = (event->wheel.x > 0) ? 1.0f : (event->wheel.x < 0) ? -1.0f : 0.0f;
float wheel_y = (event->wheel.y > 0) ? 1.0f : (event->wheel.y < 0) ? -1.0f : 0.0f;
io.AddMouseWheelEvent(wheel_x, wheel_y);
return true;
}
case SDL_MOUSEBUTTONDOWN:
case SDL_MOUSEBUTTONUP:
{
int mouse_button = -1;
if (event->button.button == SDL_BUTTON_LEFT) { mouse_button = 0; }
if (event->button.button == SDL_BUTTON_RIGHT) { mouse_button = 1; }
if (event->button.button == SDL_BUTTON_MIDDLE) { mouse_button = 2; }
if (event->button.button == SDL_BUTTON_X1) { mouse_button = 3; }
if (event->button.button == SDL_BUTTON_X2) { mouse_button = 4; }
if (mouse_button == -1)
break;
io.AddMouseButtonEvent(mouse_button, (event->type == SDL_MOUSEBUTTONDOWN));
bd->MouseButtonsDown = (event->type == SDL_MOUSEBUTTONDOWN) ? (bd->MouseButtonsDown | (1 << mouse_button)) : (bd->MouseButtonsDown & ~(1 << mouse_button));
return true;
}
case SDL_TEXTINPUT:
{
io.AddInputCharactersUTF8(event->text.text);
return true;
}
case SDL_KEYDOWN:
case SDL_KEYUP:
{
ImGui_ImplSDL2_UpdateKeyModifiers((SDL_Keymod)event->key.keysym.mod);
ImGuiKey key = ImGui_ImplSDL2_KeycodeToImGuiKey(event->key.keysym.sym);
io.AddKeyEvent(key, (event->type == SDL_KEYDOWN));
io.SetKeyEventNativeData(key, event->key.keysym.sym, event->key.keysym.scancode, event->key.keysym.scancode); // To support legacy indexing (<1.87 user code). Legacy backend uses SDLK_*** as indices to IsKeyXXX() functions.
return true;
}
case SDL_WINDOWEVENT:
{
// - When capturing mouse, SDL will send a bunch of conflicting LEAVE/ENTER event on every mouse move, but the final ENTER tends to be right.
// - However we won't get a correct LEAVE event for a captured window.
// - In some cases, when detaching a window from main viewport SDL may send SDL_WINDOWEVENT_ENTER one frame too late,
// causing SDL_WINDOWEVENT_LEAVE on previous frame to interrupt drag operation by clear mouse position. This is why
// we delay process the SDL_WINDOWEVENT_LEAVE events by one frame. See issue #5012 for details.
Uint8 window_event = event->window.event;
if (window_event == SDL_WINDOWEVENT_ENTER)
bd->PendingMouseLeaveFrame = 0;
if (window_event == SDL_WINDOWEVENT_LEAVE)
bd->PendingMouseLeaveFrame = ImGui::GetFrameCount() + 1;
if (window_event == SDL_WINDOWEVENT_FOCUS_GAINED)
io.AddFocusEvent(true);
else if (event->window.event == SDL_WINDOWEVENT_FOCUS_LOST)
io.AddFocusEvent(false);
return true;
}
}
return false;
}
static bool ImGui_ImplSDL2_Init(SDL_Window* window, SDL_Renderer* renderer)
{
ImGuiIO& io = ImGui::GetIO();
IM_ASSERT(io.BackendPlatformUserData == NULL && "Already initialized a platform backend!");
// Check and store if we are on a SDL backend that supports global mouse position
// ("wayland" and "rpi" don't support it, but we chose to use a white-list instead of a black-list)
bool mouse_can_use_global_state = false;
#if SDL_HAS_CAPTURE_AND_GLOBAL_MOUSE
const char* sdl_backend = SDL_GetCurrentVideoDriver();
const char* global_mouse_whitelist[] = { "windows", "cocoa", "x11", "DIVE", "VMAN" };
for (int n = 0; n < IM_ARRAYSIZE(global_mouse_whitelist); n++)
if (strncmp(sdl_backend, global_mouse_whitelist[n], strlen(global_mouse_whitelist[n])) == 0)
mouse_can_use_global_state = true;
#endif
// Setup backend capabilities flags
ImGui_ImplSDL2_Data* bd = IM_NEW(ImGui_ImplSDL2_Data)();
io.BackendPlatformUserData = (void*)bd;
io.BackendPlatformName = "imgui_impl_sdl";
io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional)
io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos; // We can honor io.WantSetMousePos requests (optional, rarely used)
bd->Window = window;
bd->Renderer = renderer;
bd->MouseCanUseGlobalState = mouse_can_use_global_state;
io.SetClipboardTextFn = ImGui_ImplSDL2_SetClipboardText;
io.GetClipboardTextFn = ImGui_ImplSDL2_GetClipboardText;
io.ClipboardUserData = NULL;
// Load mouse cursors
bd->MouseCursors[ImGuiMouseCursor_Arrow] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_ARROW);
bd->MouseCursors[ImGuiMouseCursor_TextInput] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_IBEAM);
bd->MouseCursors[ImGuiMouseCursor_ResizeAll] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEALL);
bd->MouseCursors[ImGuiMouseCursor_ResizeNS] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENS);
bd->MouseCursors[ImGuiMouseCursor_ResizeEW] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZEWE);
bd->MouseCursors[ImGuiMouseCursor_ResizeNESW] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENESW);
bd->MouseCursors[ImGuiMouseCursor_ResizeNWSE] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_SIZENWSE);
bd->MouseCursors[ImGuiMouseCursor_Hand] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_HAND);
bd->MouseCursors[ImGuiMouseCursor_NotAllowed] = SDL_CreateSystemCursor(SDL_SYSTEM_CURSOR_NO);
// Set platform dependent data in viewport
#ifdef _WIN32
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
if (SDL_GetWindowWMInfo(window, &info))
ImGui::GetMainViewport()->PlatformHandleRaw = (void*)info.info.win.window;
#else
(void)window;
#endif
// Set SDL hint to receive mouse click events on window focus, otherwise SDL doesn't emit the event.
// Without this, when clicking to gain focus, our widgets wouldn't activate even though they showed as hovered.
// (This is unfortunately a global SDL setting, so enabling it might have a side-effect on your application.
// It is unlikely to make a difference, but if your app absolutely needs to ignore the initial on-focus click:
// you can ignore SDL_MOUSEBUTTONDOWN events coming right after a SDL_WINDOWEVENT_FOCUS_GAINED)
#if SDL_HAS_MOUSE_FOCUS_CLICKTHROUGH
SDL_SetHint(SDL_HINT_MOUSE_FOCUS_CLICKTHROUGH, "1");
#endif
return true;
}
bool ImGui_ImplSDL2_InitForOpenGL(SDL_Window* window, void* sdl_gl_context)
{
IM_UNUSED(sdl_gl_context); // Viewport branch will need this.
return ImGui_ImplSDL2_Init(window, NULL);
}
bool ImGui_ImplSDL2_InitForVulkan(SDL_Window* window)
{
#if !SDL_HAS_VULKAN
IM_ASSERT(0 && "Unsupported");
#endif
return ImGui_ImplSDL2_Init(window, NULL);
}
bool ImGui_ImplSDL2_InitForD3D(SDL_Window* window)
{
#if !defined(_WIN32)
IM_ASSERT(0 && "Unsupported");
#endif
return ImGui_ImplSDL2_Init(window, NULL);
}
bool ImGui_ImplSDL2_InitForMetal(SDL_Window* window)
{
return ImGui_ImplSDL2_Init(window, NULL);
}
bool ImGui_ImplSDL2_InitForSDLRenderer(SDL_Window* window, SDL_Renderer* renderer)
{
return ImGui_ImplSDL2_Init(window, renderer);
}
void ImGui_ImplSDL2_Shutdown()
{
ImGui_ImplSDL2_Data* bd = ImGui_ImplSDL2_GetBackendData();
IM_ASSERT(bd != NULL && "No platform backend to shutdown, or already shutdown?");
ImGuiIO& io = ImGui::GetIO();
if (bd->ClipboardTextData)
SDL_free(bd->ClipboardTextData);
for (ImGuiMouseCursor cursor_n = 0; cursor_n < ImGuiMouseCursor_COUNT; cursor_n++)
SDL_FreeCursor(bd->MouseCursors[cursor_n]);
io.BackendPlatformName = NULL;
io.BackendPlatformUserData = NULL;
IM_DELETE(bd);
}
static void ImGui_ImplSDL2_UpdateMouseData()
{
ImGui_ImplSDL2_Data* bd = ImGui_ImplSDL2_GetBackendData();
ImGuiIO& io = ImGui::GetIO();
// We forward mouse input when hovered or captured (via SDL_MOUSEMOTION) or when focused (below)
#if SDL_HAS_CAPTURE_AND_GLOBAL_MOUSE
// SDL_CaptureMouse() let the OS know e.g. that our imgui drag outside the SDL window boundaries shouldn't e.g. trigger other operations outside
SDL_CaptureMouse(bd->MouseButtonsDown != 0 ? SDL_TRUE : SDL_FALSE);
SDL_Window* focused_window = SDL_GetKeyboardFocus();
const bool is_app_focused = (bd->Window == focused_window);
#else
const bool is_app_focused = (SDL_GetWindowFlags(bd->Window) & SDL_WINDOW_INPUT_FOCUS) != 0; // SDL 2.0.3 and non-windowed systems: single-viewport only
#endif
if (is_app_focused)
{
// (Optional) Set OS mouse position from Dear ImGui if requested (rarely used, only when ImGuiConfigFlags_NavEnableSetMousePos is enabled by user)
if (io.WantSetMousePos)
SDL_WarpMouseInWindow(bd->Window, (int)io.MousePos.x, (int)io.MousePos.y);
// (Optional) Fallback to provide mouse position when focused (SDL_MOUSEMOTION already provides this when hovered or captured)
if (bd->MouseCanUseGlobalState && bd->MouseButtonsDown == 0)
{
int window_x, window_y, mouse_x_global, mouse_y_global;
SDL_GetGlobalMouseState(&mouse_x_global, &mouse_y_global);
SDL_GetWindowPosition(bd->Window, &window_x, &window_y);
io.AddMousePosEvent((float)(mouse_x_global - window_x), (float)(mouse_y_global - window_y));
}
}
}
static void ImGui_ImplSDL2_UpdateMouseCursor()
{
ImGuiIO& io = ImGui::GetIO();
if (io.ConfigFlags & ImGuiConfigFlags_NoMouseCursorChange)
return;
ImGui_ImplSDL2_Data* bd = ImGui_ImplSDL2_GetBackendData();
ImGuiMouseCursor imgui_cursor = ImGui::GetMouseCursor();
if (io.MouseDrawCursor || imgui_cursor == ImGuiMouseCursor_None)
{
// Hide OS mouse cursor if imgui is drawing it or if it wants no cursor
SDL_ShowCursor(SDL_FALSE);
}
else
{
// Show OS mouse cursor
SDL_SetCursor(bd->MouseCursors[imgui_cursor] ? bd->MouseCursors[imgui_cursor] : bd->MouseCursors[ImGuiMouseCursor_Arrow]);
SDL_ShowCursor(SDL_TRUE);
}
}
static void ImGui_ImplSDL2_UpdateGamepads()
{
ImGuiIO& io = ImGui::GetIO();
if ((io.ConfigFlags & ImGuiConfigFlags_NavEnableGamepad) == 0)
return;
// Get gamepad
io.BackendFlags &= ~ImGuiBackendFlags_HasGamepad;
SDL_GameController* game_controller = SDL_GameControllerOpen(0);
if (!game_controller)
return;
io.BackendFlags |= ImGuiBackendFlags_HasGamepad;
// Update gamepad inputs
#define IM_SATURATE(V) (V < 0.0f ? 0.0f : V > 1.0f ? 1.0f : V)
#define MAP_BUTTON(KEY_NO, BUTTON_NO) { io.AddKeyEvent(KEY_NO, SDL_GameControllerGetButton(game_controller, BUTTON_NO) != 0); }
#define MAP_ANALOG(KEY_NO, AXIS_NO, V0, V1) { float vn = (float)(SDL_GameControllerGetAxis(game_controller, AXIS_NO) - V0) / (float)(V1 - V0); vn = IM_SATURATE(vn); io.AddKeyAnalogEvent(KEY_NO, vn > 0.1f, vn); }
const int thumb_dead_zone = 8000; // SDL_gamecontroller.h suggests using this value.
MAP_BUTTON(ImGuiKey_GamepadStart, SDL_CONTROLLER_BUTTON_START);
MAP_BUTTON(ImGuiKey_GamepadBack, SDL_CONTROLLER_BUTTON_BACK);
MAP_BUTTON(ImGuiKey_GamepadFaceDown, SDL_CONTROLLER_BUTTON_A); // Xbox A, PS Cross
MAP_BUTTON(ImGuiKey_GamepadFaceRight, SDL_CONTROLLER_BUTTON_B); // Xbox B, PS Circle
MAP_BUTTON(ImGuiKey_GamepadFaceLeft, SDL_CONTROLLER_BUTTON_X); // Xbox X, PS Square
MAP_BUTTON(ImGuiKey_GamepadFaceUp, SDL_CONTROLLER_BUTTON_Y); // Xbox Y, PS Triangle
MAP_BUTTON(ImGuiKey_GamepadDpadLeft, SDL_CONTROLLER_BUTTON_DPAD_LEFT);
MAP_BUTTON(ImGuiKey_GamepadDpadRight, SDL_CONTROLLER_BUTTON_DPAD_RIGHT);
MAP_BUTTON(ImGuiKey_GamepadDpadUp, SDL_CONTROLLER_BUTTON_DPAD_UP);
MAP_BUTTON(ImGuiKey_GamepadDpadDown, SDL_CONTROLLER_BUTTON_DPAD_DOWN);
MAP_BUTTON(ImGuiKey_GamepadL1, SDL_CONTROLLER_BUTTON_LEFTSHOULDER);
MAP_BUTTON(ImGuiKey_GamepadR1, SDL_CONTROLLER_BUTTON_RIGHTSHOULDER);
MAP_ANALOG(ImGuiKey_GamepadL2, SDL_CONTROLLER_AXIS_TRIGGERLEFT, 0.0f, 32767);
MAP_ANALOG(ImGuiKey_GamepadR2, SDL_CONTROLLER_AXIS_TRIGGERRIGHT, 0.0f, 32767);
MAP_BUTTON(ImGuiKey_GamepadL3, SDL_CONTROLLER_BUTTON_LEFTSTICK);
MAP_BUTTON(ImGuiKey_GamepadR3, SDL_CONTROLLER_BUTTON_RIGHTSTICK);
MAP_ANALOG(ImGuiKey_GamepadLStickLeft, SDL_CONTROLLER_AXIS_LEFTX, -thumb_dead_zone, -32768);
MAP_ANALOG(ImGuiKey_GamepadLStickRight, SDL_CONTROLLER_AXIS_LEFTX, +thumb_dead_zone, +32767);
MAP_ANALOG(ImGuiKey_GamepadLStickUp, SDL_CONTROLLER_AXIS_LEFTY, -thumb_dead_zone, -32768);
MAP_ANALOG(ImGuiKey_GamepadLStickDown, SDL_CONTROLLER_AXIS_LEFTY, +thumb_dead_zone, +32767);
MAP_ANALOG(ImGuiKey_GamepadRStickLeft, SDL_CONTROLLER_AXIS_RIGHTX, -thumb_dead_zone, -32768);
MAP_ANALOG(ImGuiKey_GamepadRStickRight, SDL_CONTROLLER_AXIS_RIGHTX, +thumb_dead_zone, +32767);
MAP_ANALOG(ImGuiKey_GamepadRStickUp, SDL_CONTROLLER_AXIS_RIGHTY, -thumb_dead_zone, -32768);
MAP_ANALOG(ImGuiKey_GamepadRStickDown, SDL_CONTROLLER_AXIS_RIGHTY, +thumb_dead_zone, +32767);
#undef MAP_BUTTON
#undef MAP_ANALOG
}
void ImGui_ImplSDL2_NewFrame()
{
ImGui_ImplSDL2_Data* bd = ImGui_ImplSDL2_GetBackendData();
IM_ASSERT(bd != NULL && "Did you call ImGui_ImplSDL2_Init()?");
ImGuiIO& io = ImGui::GetIO();
// Setup display size (every frame to accommodate for window resizing)
int w, h;
int display_w, display_h;
SDL_GetWindowSize(bd->Window, &w, &h);
if (SDL_GetWindowFlags(bd->Window) & SDL_WINDOW_MINIMIZED)
w = h = 0;
if (bd->Renderer != NULL)
SDL_GetRendererOutputSize(bd->Renderer, &display_w, &display_h);
else
SDL_GL_GetDrawableSize(bd->Window, &display_w, &display_h);
io.DisplaySize = ImVec2((float)w, (float)h);
if (w > 0 && h > 0)
io.DisplayFramebufferScale = ImVec2((float)display_w / w, (float)display_h / h);
// Setup time step (we don't use SDL_GetTicks() because it is using millisecond resolution)
static Uint64 frequency = SDL_GetPerformanceFrequency();
Uint64 current_time = SDL_GetPerformanceCounter();
io.DeltaTime = bd->Time > 0 ? (float)((double)(current_time - bd->Time) / frequency) : (float)(1.0f / 60.0f);
bd->Time = current_time;
if (bd->PendingMouseLeaveFrame && bd->PendingMouseLeaveFrame >= ImGui::GetFrameCount() && bd->MouseButtonsDown == 0)
{
io.AddMousePosEvent(-FLT_MAX, -FLT_MAX);
bd->PendingMouseLeaveFrame = 0;
}
ImGui_ImplSDL2_UpdateMouseData();
ImGui_ImplSDL2_UpdateMouseCursor();
// Update game controllers (if enabled and available)
ImGui_ImplSDL2_UpdateGamepads();
}

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// dear imgui: Platform Backend for SDL2
// This needs to be used along with a Renderer (e.g. DirectX11, OpenGL3, Vulkan..)
// (Info: SDL2 is a cross-platform general purpose library for handling windows, inputs, graphics context creation, etc.)
// Implemented features:
// [X] Platform: Clipboard support.
// [X] Platform: Keyboard support. Since 1.87 we are using the io.AddKeyEvent() function. Pass ImGuiKey values to all key functions e.g. ImGui::IsKeyPressed(ImGuiKey_Space). [Legacy SDL_SCANCODE_* values will also be supported unless IMGUI_DISABLE_OBSOLETE_KEYIO is set]
// [X] Platform: Gamepad support. Enabled with 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad'.
// [X] Platform: Mouse cursor shape and visibility. Disable with 'io.ConfigFlags |= ImGuiConfigFlags_NoMouseCursorChange'.
// Missing features:
// [ ] Platform: SDL2 handling of IME under Windows appears to be broken and it explicitly disable the regular Windows IME. You can restore Windows IME by compiling SDL with SDL_DISABLE_WINDOWS_IME.
// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
// Read online: https://github.com/ocornut/imgui/tree/master/docs
#pragma once
#include "imgui.h" // IMGUI_IMPL_API
struct SDL_Window;
struct SDL_Renderer;
typedef union SDL_Event SDL_Event;
IMGUI_IMPL_API bool ImGui_ImplSDL2_InitForOpenGL(SDL_Window* window, void* sdl_gl_context);
IMGUI_IMPL_API bool ImGui_ImplSDL2_InitForVulkan(SDL_Window* window);
IMGUI_IMPL_API bool ImGui_ImplSDL2_InitForD3D(SDL_Window* window);
IMGUI_IMPL_API bool ImGui_ImplSDL2_InitForMetal(SDL_Window* window);
IMGUI_IMPL_API bool ImGui_ImplSDL2_InitForSDLRenderer(SDL_Window* window, SDL_Renderer* renderer);
IMGUI_IMPL_API void ImGui_ImplSDL2_Shutdown();
IMGUI_IMPL_API void ImGui_ImplSDL2_NewFrame();
IMGUI_IMPL_API bool ImGui_ImplSDL2_ProcessEvent(const SDL_Event* event);
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
static inline void ImGui_ImplSDL2_NewFrame(SDL_Window*) { ImGui_ImplSDL2_NewFrame(); } // 1.84: removed unnecessary parameter
#endif

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// dear imgui: Renderer Backend for Vulkan
// This needs to be used along with a Platform Backend (e.g. GLFW, SDL, Win32, custom..)
// Implemented features:
// [X] Renderer: Support for large meshes (64k+ vertices) with 16-bit indices.
// [!] Renderer: User texture binding. Use 'VkDescriptorSet' as ImTextureID. Read the FAQ about ImTextureID! See https://github.com/ocornut/imgui/pull/914 for discussions.
// Important: on 32-bit systems, user texture binding is only supported if your imconfig file has '#define ImTextureID ImU64'.
// See imgui_impl_vulkan.cpp file for details.
// You can use unmodified imgui_impl_* files in your project. See examples/ folder for examples of using this.
// Prefer including the entire imgui/ repository into your project (either as a copy or as a submodule), and only build the backends you need.
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
// Read online: https://github.com/ocornut/imgui/tree/master/docs
// The aim of imgui_impl_vulkan.h/.cpp is to be usable in your engine without any modification.
// IF YOU FEEL YOU NEED TO MAKE ANY CHANGE TO THIS CODE, please share them and your feedback at https://github.com/ocornut/imgui/
// Important note to the reader who wish to integrate imgui_impl_vulkan.cpp/.h in their own engine/app.
// - Common ImGui_ImplVulkan_XXX functions and structures are used to interface with imgui_impl_vulkan.cpp/.h.
// You will use those if you want to use this rendering backend in your engine/app.
// - Helper ImGui_ImplVulkanH_XXX functions and structures are only used by this example (main.cpp) and by
// the backend itself (imgui_impl_vulkan.cpp), but should PROBABLY NOT be used by your own engine/app code.
// Read comments in imgui_impl_vulkan.h.
#pragma once
#include "imgui.h" // IMGUI_IMPL_API
// [Configuration] in order to use a custom Vulkan function loader:
// (1) You'll need to disable default Vulkan function prototypes.
// We provide a '#define IMGUI_IMPL_VULKAN_NO_PROTOTYPES' convenience configuration flag.
// In order to make sure this is visible from the imgui_impl_vulkan.cpp compilation unit:
// - Add '#define IMGUI_IMPL_VULKAN_NO_PROTOTYPES' in your imconfig.h file
// - Or as a compilation flag in your build system
// - Or uncomment here (not recommended because you'd be modifying imgui sources!)
// - Do not simply add it in a .cpp file!
// (2) Call ImGui_ImplVulkan_LoadFunctions() before ImGui_ImplVulkan_Init() with your custom function.
// If you have no idea what this is, leave it alone!
//#define IMGUI_IMPL_VULKAN_NO_PROTOTYPES
// Vulkan includes
#if defined(IMGUI_IMPL_VULKAN_NO_PROTOTYPES) && !defined(VK_NO_PROTOTYPES)
#define VK_NO_PROTOTYPES
#endif
#include <vulkan/vulkan.h>
// Initialization data, for ImGui_ImplVulkan_Init()
// [Please zero-clear before use!]
struct ImGui_ImplVulkan_InitInfo
{
VkInstance Instance;
VkPhysicalDevice PhysicalDevice;
VkDevice Device;
uint32_t QueueFamily;
VkQueue Queue;
VkPipelineCache PipelineCache;
VkDescriptorPool DescriptorPool;
uint32_t Subpass;
uint32_t MinImageCount; // >= 2
uint32_t ImageCount; // >= MinImageCount
VkSampleCountFlagBits MSAASamples; // >= VK_SAMPLE_COUNT_1_BIT (0 -> default to VK_SAMPLE_COUNT_1_BIT)
const VkAllocationCallbacks* Allocator;
void (*CheckVkResultFn)(VkResult err);
};
// Called by user code
IMGUI_IMPL_API bool ImGui_ImplVulkan_Init(ImGui_ImplVulkan_InitInfo* info, VkRenderPass render_pass);
IMGUI_IMPL_API void ImGui_ImplVulkan_Shutdown();
IMGUI_IMPL_API void ImGui_ImplVulkan_NewFrame();
IMGUI_IMPL_API void ImGui_ImplVulkan_RenderDrawData(ImDrawData* draw_data, VkCommandBuffer command_buffer, VkPipeline pipeline = VK_NULL_HANDLE);
IMGUI_IMPL_API bool ImGui_ImplVulkan_CreateFontsTexture(VkCommandBuffer command_buffer);
IMGUI_IMPL_API void ImGui_ImplVulkan_DestroyFontUploadObjects();
IMGUI_IMPL_API void ImGui_ImplVulkan_SetMinImageCount(uint32_t min_image_count); // To override MinImageCount after initialization (e.g. if swap chain is recreated)
// Register a texture (VkDescriptorSet == ImTextureID)
// FIXME: This is experimental in the sense that we are unsure how to best design/tackle this problem, please post to https://github.com/ocornut/imgui/pull/914 if you have suggestions.
IMGUI_IMPL_API VkDescriptorSet ImGui_ImplVulkan_AddTexture(VkSampler sampler, VkImageView image_view, VkImageLayout image_layout);
// Optional: load Vulkan functions with a custom function loader
// This is only useful with IMGUI_IMPL_VULKAN_NO_PROTOTYPES / VK_NO_PROTOTYPES
IMGUI_IMPL_API bool ImGui_ImplVulkan_LoadFunctions(PFN_vkVoidFunction(*loader_func)(const char* function_name, void* user_data), void* user_data = NULL);
//-------------------------------------------------------------------------
// Internal / Miscellaneous Vulkan Helpers
// (Used by example's main.cpp. Used by multi-viewport features. PROBABLY NOT used by your own engine/app.)
//-------------------------------------------------------------------------
// You probably do NOT need to use or care about those functions.
// Those functions only exist because:
// 1) they facilitate the readability and maintenance of the multiple main.cpp examples files.
// 2) the upcoming multi-viewport feature will need them internally.
// Generally we avoid exposing any kind of superfluous high-level helpers in the backends,
// but it is too much code to duplicate everywhere so we exceptionally expose them.
//
// Your engine/app will likely _already_ have code to setup all that stuff (swap chain, render pass, frame buffers, etc.).
// You may read this code to learn about Vulkan, but it is recommended you use you own custom tailored code to do equivalent work.
// (The ImGui_ImplVulkanH_XXX functions do not interact with any of the state used by the regular ImGui_ImplVulkan_XXX functions)
//-------------------------------------------------------------------------
struct ImGui_ImplVulkanH_Frame;
struct ImGui_ImplVulkanH_Window;
// Helpers
IMGUI_IMPL_API void ImGui_ImplVulkanH_CreateOrResizeWindow(VkInstance instance, VkPhysicalDevice physical_device, VkDevice device, ImGui_ImplVulkanH_Window* wnd, uint32_t queue_family, const VkAllocationCallbacks* allocator, int w, int h, uint32_t min_image_count);
IMGUI_IMPL_API void ImGui_ImplVulkanH_DestroyWindow(VkInstance instance, VkDevice device, ImGui_ImplVulkanH_Window* wnd, const VkAllocationCallbacks* allocator);
IMGUI_IMPL_API VkSurfaceFormatKHR ImGui_ImplVulkanH_SelectSurfaceFormat(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkFormat* request_formats, int request_formats_count, VkColorSpaceKHR request_color_space);
IMGUI_IMPL_API VkPresentModeKHR ImGui_ImplVulkanH_SelectPresentMode(VkPhysicalDevice physical_device, VkSurfaceKHR surface, const VkPresentModeKHR* request_modes, int request_modes_count);
IMGUI_IMPL_API int ImGui_ImplVulkanH_GetMinImageCountFromPresentMode(VkPresentModeKHR present_mode);
// Helper structure to hold the data needed by one rendering frame
// (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own engine/app.)
// [Please zero-clear before use!]
struct ImGui_ImplVulkanH_Frame
{
VkCommandPool CommandPool;
VkCommandBuffer CommandBuffer;
VkFence Fence;
VkImage Backbuffer;
VkImageView BackbufferView;
VkFramebuffer Framebuffer;
};
struct ImGui_ImplVulkanH_FrameSemaphores
{
VkSemaphore ImageAcquiredSemaphore;
VkSemaphore RenderCompleteSemaphore;
};
// Helper structure to hold the data needed by one rendering context into one OS window
// (Used by example's main.cpp. Used by multi-viewport features. Probably NOT used by your own engine/app.)
struct ImGui_ImplVulkanH_Window
{
int Width;
int Height;
VkSwapchainKHR Swapchain;
VkSurfaceKHR Surface;
VkSurfaceFormatKHR SurfaceFormat;
VkPresentModeKHR PresentMode;
VkRenderPass RenderPass;
VkPipeline Pipeline; // The window pipeline may uses a different VkRenderPass than the one passed in ImGui_ImplVulkan_InitInfo
bool ClearEnable;
VkClearValue ClearValue;
uint32_t FrameIndex; // Current frame being rendered to (0 <= FrameIndex < FrameInFlightCount)
uint32_t ImageCount; // Number of simultaneous in-flight frames (returned by vkGetSwapchainImagesKHR, usually derived from min_image_count)
uint32_t SemaphoreIndex; // Current set of swapchain wait semaphores we're using (needs to be distinct from per frame data)
ImGui_ImplVulkanH_Frame* Frames;
ImGui_ImplVulkanH_FrameSemaphores* FrameSemaphores;
ImGui_ImplVulkanH_Window()
{
memset((void*)this, 0, sizeof(*this));
PresentMode = (VkPresentModeKHR)~0; // Ensure we get an error if user doesn't set this.
ClearEnable = true;
}
};

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// [DEAR IMGUI]
// This is a slightly modified version of stb_rect_pack.h 1.01.
// Grep for [DEAR IMGUI] to find the changes.
//
// stb_rect_pack.h - v1.01 - public domain - rectangle packing
// Sean Barrett 2014
//
// Useful for e.g. packing rectangular textures into an atlas.
// Does not do rotation.
//
// Before #including,
//
// #define STB_RECT_PACK_IMPLEMENTATION
//
// in the file that you want to have the implementation.
//
// Not necessarily the awesomest packing method, but better than
// the totally naive one in stb_truetype (which is primarily what
// this is meant to replace).
//
// Has only had a few tests run, may have issues.
//
// More docs to come.
//
// No memory allocations; uses qsort() and assert() from stdlib.
// Can override those by defining STBRP_SORT and STBRP_ASSERT.
//
// This library currently uses the Skyline Bottom-Left algorithm.
//
// Please note: better rectangle packers are welcome! Please
// implement them to the same API, but with a different init
// function.
//
// Credits
//
// Library
// Sean Barrett
// Minor features
// Martins Mozeiko
// github:IntellectualKitty
//
// Bugfixes / warning fixes
// Jeremy Jaussaud
// Fabian Giesen
//
// Version history:
//
// 1.01 (2021-07-11) always use large rect mode, expose STBRP__MAXVAL in public section
// 1.00 (2019-02-25) avoid small space waste; gracefully fail too-wide rectangles
// 0.99 (2019-02-07) warning fixes
// 0.11 (2017-03-03) return packing success/fail result
// 0.10 (2016-10-25) remove cast-away-const to avoid warnings
// 0.09 (2016-08-27) fix compiler warnings
// 0.08 (2015-09-13) really fix bug with empty rects (w=0 or h=0)
// 0.07 (2015-09-13) fix bug with empty rects (w=0 or h=0)
// 0.06 (2015-04-15) added STBRP_SORT to allow replacing qsort
// 0.05: added STBRP_ASSERT to allow replacing assert
// 0.04: fixed minor bug in STBRP_LARGE_RECTS support
// 0.01: initial release
//
// LICENSE
//
// See end of file for license information.
//////////////////////////////////////////////////////////////////////////////
//
// INCLUDE SECTION
//
#ifndef STB_INCLUDE_STB_RECT_PACK_H
#define STB_INCLUDE_STB_RECT_PACK_H
#define STB_RECT_PACK_VERSION 1
#ifdef STBRP_STATIC
#define STBRP_DEF static
#else
#define STBRP_DEF extern
#endif
#ifdef __cplusplus
extern "C" {
#endif
typedef struct stbrp_context stbrp_context;
typedef struct stbrp_node stbrp_node;
typedef struct stbrp_rect stbrp_rect;
typedef int stbrp_coord;
#define STBRP__MAXVAL 0x7fffffff
// Mostly for internal use, but this is the maximum supported coordinate value.
STBRP_DEF int stbrp_pack_rects (stbrp_context *context, stbrp_rect *rects, int num_rects);
// Assign packed locations to rectangles. The rectangles are of type
// 'stbrp_rect' defined below, stored in the array 'rects', and there
// are 'num_rects' many of them.
//
// Rectangles which are successfully packed have the 'was_packed' flag
// set to a non-zero value and 'x' and 'y' store the minimum location
// on each axis (i.e. bottom-left in cartesian coordinates, top-left
// if you imagine y increasing downwards). Rectangles which do not fit
// have the 'was_packed' flag set to 0.
//
// You should not try to access the 'rects' array from another thread
// while this function is running, as the function temporarily reorders
// the array while it executes.
//
// To pack into another rectangle, you need to call stbrp_init_target
// again. To continue packing into the same rectangle, you can call
// this function again. Calling this multiple times with multiple rect
// arrays will probably produce worse packing results than calling it
// a single time with the full rectangle array, but the option is
// available.
//
// The function returns 1 if all of the rectangles were successfully
// packed and 0 otherwise.
struct stbrp_rect
{
// reserved for your use:
int id;
// input:
stbrp_coord w, h;
// output:
stbrp_coord x, y;
int was_packed; // non-zero if valid packing
}; // 16 bytes, nominally
STBRP_DEF void stbrp_init_target (stbrp_context *context, int width, int height, stbrp_node *nodes, int num_nodes);
// Initialize a rectangle packer to:
// pack a rectangle that is 'width' by 'height' in dimensions
// using temporary storage provided by the array 'nodes', which is 'num_nodes' long
//
// You must call this function every time you start packing into a new target.
//
// There is no "shutdown" function. The 'nodes' memory must stay valid for
// the following stbrp_pack_rects() call (or calls), but can be freed after
// the call (or calls) finish.
//
// Note: to guarantee best results, either:
// 1. make sure 'num_nodes' >= 'width'
// or 2. call stbrp_allow_out_of_mem() defined below with 'allow_out_of_mem = 1'
//
// If you don't do either of the above things, widths will be quantized to multiples
// of small integers to guarantee the algorithm doesn't run out of temporary storage.
//
// If you do #2, then the non-quantized algorithm will be used, but the algorithm
// may run out of temporary storage and be unable to pack some rectangles.
STBRP_DEF void stbrp_setup_allow_out_of_mem (stbrp_context *context, int allow_out_of_mem);
// Optionally call this function after init but before doing any packing to
// change the handling of the out-of-temp-memory scenario, described above.
// If you call init again, this will be reset to the default (false).
STBRP_DEF void stbrp_setup_heuristic (stbrp_context *context, int heuristic);
// Optionally select which packing heuristic the library should use. Different
// heuristics will produce better/worse results for different data sets.
// If you call init again, this will be reset to the default.
enum
{
STBRP_HEURISTIC_Skyline_default=0,
STBRP_HEURISTIC_Skyline_BL_sortHeight = STBRP_HEURISTIC_Skyline_default,
STBRP_HEURISTIC_Skyline_BF_sortHeight
};
//////////////////////////////////////////////////////////////////////////////
//
// the details of the following structures don't matter to you, but they must
// be visible so you can handle the memory allocations for them
struct stbrp_node
{
stbrp_coord x,y;
stbrp_node *next;
};
struct stbrp_context
{
int width;
int height;
int align;
int init_mode;
int heuristic;
int num_nodes;
stbrp_node *active_head;
stbrp_node *free_head;
stbrp_node extra[2]; // we allocate two extra nodes so optimal user-node-count is 'width' not 'width+2'
};
#ifdef __cplusplus
}
#endif
#endif
//////////////////////////////////////////////////////////////////////////////
//
// IMPLEMENTATION SECTION
//
#ifdef STB_RECT_PACK_IMPLEMENTATION
#ifndef STBRP_SORT
#include <stdlib.h>
#define STBRP_SORT qsort
#endif
#ifndef STBRP_ASSERT
#include <assert.h>
#define STBRP_ASSERT assert
#endif
#ifdef _MSC_VER
#define STBRP__NOTUSED(v) (void)(v)
#define STBRP__CDECL __cdecl
#else
#define STBRP__NOTUSED(v) (void)sizeof(v)
#define STBRP__CDECL
#endif
enum
{
STBRP__INIT_skyline = 1
};
STBRP_DEF void stbrp_setup_heuristic(stbrp_context *context, int heuristic)
{
switch (context->init_mode) {
case STBRP__INIT_skyline:
STBRP_ASSERT(heuristic == STBRP_HEURISTIC_Skyline_BL_sortHeight || heuristic == STBRP_HEURISTIC_Skyline_BF_sortHeight);
context->heuristic = heuristic;
break;
default:
STBRP_ASSERT(0);
}
}
STBRP_DEF void stbrp_setup_allow_out_of_mem(stbrp_context *context, int allow_out_of_mem)
{
if (allow_out_of_mem)
// if it's ok to run out of memory, then don't bother aligning them;
// this gives better packing, but may fail due to OOM (even though
// the rectangles easily fit). @TODO a smarter approach would be to only
// quantize once we've hit OOM, then we could get rid of this parameter.
context->align = 1;
else {
// if it's not ok to run out of memory, then quantize the widths
// so that num_nodes is always enough nodes.
//
// I.e. num_nodes * align >= width
// align >= width / num_nodes
// align = ceil(width/num_nodes)
context->align = (context->width + context->num_nodes-1) / context->num_nodes;
}
}
STBRP_DEF void stbrp_init_target(stbrp_context *context, int width, int height, stbrp_node *nodes, int num_nodes)
{
int i;
for (i=0; i < num_nodes-1; ++i)
nodes[i].next = &nodes[i+1];
nodes[i].next = NULL;
context->init_mode = STBRP__INIT_skyline;
context->heuristic = STBRP_HEURISTIC_Skyline_default;
context->free_head = &nodes[0];
context->active_head = &context->extra[0];
context->width = width;
context->height = height;
context->num_nodes = num_nodes;
stbrp_setup_allow_out_of_mem(context, 0);
// node 0 is the full width, node 1 is the sentinel (lets us not store width explicitly)
context->extra[0].x = 0;
context->extra[0].y = 0;
context->extra[0].next = &context->extra[1];
context->extra[1].x = (stbrp_coord) width;
context->extra[1].y = (1<<30);
context->extra[1].next = NULL;
}
// find minimum y position if it starts at x1
static int stbrp__skyline_find_min_y(stbrp_context *c, stbrp_node *first, int x0, int width, int *pwaste)
{
stbrp_node *node = first;
int x1 = x0 + width;
int min_y, visited_width, waste_area;
STBRP__NOTUSED(c);
STBRP_ASSERT(first->x <= x0);
#if 0
// skip in case we're past the node
while (node->next->x <= x0)
++node;
#else
STBRP_ASSERT(node->next->x > x0); // we ended up handling this in the caller for efficiency
#endif
STBRP_ASSERT(node->x <= x0);
min_y = 0;
waste_area = 0;
visited_width = 0;
while (node->x < x1) {
if (node->y > min_y) {
// raise min_y higher.
// we've accounted for all waste up to min_y,
// but we'll now add more waste for everything we've visted
waste_area += visited_width * (node->y - min_y);
min_y = node->y;
// the first time through, visited_width might be reduced
if (node->x < x0)
visited_width += node->next->x - x0;
else
visited_width += node->next->x - node->x;
} else {
// add waste area
int under_width = node->next->x - node->x;
if (under_width + visited_width > width)
under_width = width - visited_width;
waste_area += under_width * (min_y - node->y);
visited_width += under_width;
}
node = node->next;
}
*pwaste = waste_area;
return min_y;
}
typedef struct
{
int x,y;
stbrp_node **prev_link;
} stbrp__findresult;
static stbrp__findresult stbrp__skyline_find_best_pos(stbrp_context *c, int width, int height)
{
int best_waste = (1<<30), best_x, best_y = (1 << 30);
stbrp__findresult fr;
stbrp_node **prev, *node, *tail, **best = NULL;
// align to multiple of c->align
width = (width + c->align - 1);
width -= width % c->align;
STBRP_ASSERT(width % c->align == 0);
// if it can't possibly fit, bail immediately
if (width > c->width || height > c->height) {
fr.prev_link = NULL;
fr.x = fr.y = 0;
return fr;
}
node = c->active_head;
prev = &c->active_head;
while (node->x + width <= c->width) {
int y,waste;
y = stbrp__skyline_find_min_y(c, node, node->x, width, &waste);
if (c->heuristic == STBRP_HEURISTIC_Skyline_BL_sortHeight) { // actually just want to test BL
// bottom left
if (y < best_y) {
best_y = y;
best = prev;
}
} else {
// best-fit
if (y + height <= c->height) {
// can only use it if it first vertically
if (y < best_y || (y == best_y && waste < best_waste)) {
best_y = y;
best_waste = waste;
best = prev;
}
}
}
prev = &node->next;
node = node->next;
}
best_x = (best == NULL) ? 0 : (*best)->x;
// if doing best-fit (BF), we also have to try aligning right edge to each node position
//
// e.g, if fitting
//
// ____________________
// |____________________|
//
// into
//
// | |
// | ____________|
// |____________|
//
// then right-aligned reduces waste, but bottom-left BL is always chooses left-aligned
//
// This makes BF take about 2x the time
if (c->heuristic == STBRP_HEURISTIC_Skyline_BF_sortHeight) {
tail = c->active_head;
node = c->active_head;
prev = &c->active_head;
// find first node that's admissible
while (tail->x < width)
tail = tail->next;
while (tail) {
int xpos = tail->x - width;
int y,waste;
STBRP_ASSERT(xpos >= 0);
// find the left position that matches this
while (node->next->x <= xpos) {
prev = &node->next;
node = node->next;
}
STBRP_ASSERT(node->next->x > xpos && node->x <= xpos);
y = stbrp__skyline_find_min_y(c, node, xpos, width, &waste);
if (y + height <= c->height) {
if (y <= best_y) {
if (y < best_y || waste < best_waste || (waste==best_waste && xpos < best_x)) {
best_x = xpos;
//STBRP_ASSERT(y <= best_y); [DEAR IMGUI]
best_y = y;
best_waste = waste;
best = prev;
}
}
}
tail = tail->next;
}
}
fr.prev_link = best;
fr.x = best_x;
fr.y = best_y;
return fr;
}
static stbrp__findresult stbrp__skyline_pack_rectangle(stbrp_context *context, int width, int height)
{
// find best position according to heuristic
stbrp__findresult res = stbrp__skyline_find_best_pos(context, width, height);
stbrp_node *node, *cur;
// bail if:
// 1. it failed
// 2. the best node doesn't fit (we don't always check this)
// 3. we're out of memory
if (res.prev_link == NULL || res.y + height > context->height || context->free_head == NULL) {
res.prev_link = NULL;
return res;
}
// on success, create new node
node = context->free_head;
node->x = (stbrp_coord) res.x;
node->y = (stbrp_coord) (res.y + height);
context->free_head = node->next;
// insert the new node into the right starting point, and
// let 'cur' point to the remaining nodes needing to be
// stiched back in
cur = *res.prev_link;
if (cur->x < res.x) {
// preserve the existing one, so start testing with the next one
stbrp_node *next = cur->next;
cur->next = node;
cur = next;
} else {
*res.prev_link = node;
}
// from here, traverse cur and free the nodes, until we get to one
// that shouldn't be freed
while (cur->next && cur->next->x <= res.x + width) {
stbrp_node *next = cur->next;
// move the current node to the free list
cur->next = context->free_head;
context->free_head = cur;
cur = next;
}
// stitch the list back in
node->next = cur;
if (cur->x < res.x + width)
cur->x = (stbrp_coord) (res.x + width);
#ifdef _DEBUG
cur = context->active_head;
while (cur->x < context->width) {
STBRP_ASSERT(cur->x < cur->next->x);
cur = cur->next;
}
STBRP_ASSERT(cur->next == NULL);
{
int count=0;
cur = context->active_head;
while (cur) {
cur = cur->next;
++count;
}
cur = context->free_head;
while (cur) {
cur = cur->next;
++count;
}
STBRP_ASSERT(count == context->num_nodes+2);
}
#endif
return res;
}
static int STBRP__CDECL rect_height_compare(const void *a, const void *b)
{
const stbrp_rect *p = (const stbrp_rect *) a;
const stbrp_rect *q = (const stbrp_rect *) b;
if (p->h > q->h)
return -1;
if (p->h < q->h)
return 1;
return (p->w > q->w) ? -1 : (p->w < q->w);
}
static int STBRP__CDECL rect_original_order(const void *a, const void *b)
{
const stbrp_rect *p = (const stbrp_rect *) a;
const stbrp_rect *q = (const stbrp_rect *) b;
return (p->was_packed < q->was_packed) ? -1 : (p->was_packed > q->was_packed);
}
STBRP_DEF int stbrp_pack_rects(stbrp_context *context, stbrp_rect *rects, int num_rects)
{
int i, all_rects_packed = 1;
// we use the 'was_packed' field internally to allow sorting/unsorting
for (i=0; i < num_rects; ++i) {
rects[i].was_packed = i;
}
// sort according to heuristic
STBRP_SORT(rects, num_rects, sizeof(rects[0]), rect_height_compare);
for (i=0; i < num_rects; ++i) {
if (rects[i].w == 0 || rects[i].h == 0) {
rects[i].x = rects[i].y = 0; // empty rect needs no space
} else {
stbrp__findresult fr = stbrp__skyline_pack_rectangle(context, rects[i].w, rects[i].h);
if (fr.prev_link) {
rects[i].x = (stbrp_coord) fr.x;
rects[i].y = (stbrp_coord) fr.y;
} else {
rects[i].x = rects[i].y = STBRP__MAXVAL;
}
}
}
// unsort
STBRP_SORT(rects, num_rects, sizeof(rects[0]), rect_original_order);
// set was_packed flags and all_rects_packed status
for (i=0; i < num_rects; ++i) {
rects[i].was_packed = !(rects[i].x == STBRP__MAXVAL && rects[i].y == STBRP__MAXVAL);
if (!rects[i].was_packed)
all_rects_packed = 0;
}
// return the all_rects_packed status
return all_rects_packed;
}
#endif
/*
------------------------------------------------------------------------------
This software is available under 2 licenses -- choose whichever you prefer.
------------------------------------------------------------------------------
ALTERNATIVE A - MIT License
Copyright (c) 2017 Sean Barrett
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
------------------------------------------------------------------------------
ALTERNATIVE B - Public Domain (www.unlicense.org)
This is free and unencumbered software released into the public domain.
Anyone is free to copy, modify, publish, use, compile, sell, or distribute this
software, either in source code form or as a compiled binary, for any purpose,
commercial or non-commercial, and by any means.
In jurisdictions that recognize copyright laws, the author or authors of this
software dedicate any and all copyright interest in the software to the public
domain. We make this dedication for the benefit of the public at large and to
the detriment of our heirs and successors. We intend this dedication to be an
overt act of relinquishment in perpetuity of all present and future rights to
this software under copyright law.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
------------------------------------------------------------------------------
*/

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@ -1,12 +1,38 @@
find_package(Vulkan REQUIRED)
find_package(SDL2 REQUIRED)
find_package(SDL2 CONFIG REQUIRED)
find_package(imgui REQUIRED)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
FILE(GLOB_RECURSE SOURCES src/*.cpp)
FILE(GLOB_RECURSE HEADERS src/*.h)
FILE(GLOB_RECURSE SOURCES
core/src/*.cpp
shadow-renderer/src/*.cpp
shadow-reflection/src/*.cpp
)
FILE(GLOB_RECURSE HEADERS
core/inc/*.h
shadow-renderer/inc/*.h
shadow-reflection/inc/*.h
)
add_library(shadow-engine ${SOURCES})
add_library(shadow-engine SHARED ${SOURCES} $<TARGET_OBJECTS:imgui>)
target_include_directories(shadow-engine
PRIVATE ${SDL2_INCLUDE_DIRS}
PUBLIC
core/inc
shadow-renderer/inc
shadow-reflection/inc
${glm_SOURCE_DIR}
INTERFACE
${imgui_SOURCE_DIR}
${imgui_SOURCE_DIR}/backends)
target_link_libraries(shadow-engine
PUBLIC Vulkan::Vulkan SDL2::SDL2 spdlog dylib imgui
)
target_compile_definitions(shadow-engine PRIVATE "EXPORTING_SH_ENGINE")
target_link_options(shadow-engine PUBLIC -Wl,--export-all-symbols)
target_include_directories(shadow-engine PRIVATE ${SDL2_INCLUDE_DIRS} PUBLIC ${HEADERS})
target_link_libraries(shadow-engine PRIVATE Vulkan::Vulkan PUBLIC SDL2::Core shadow-reflect shadow-asset spdlog PUBLIC imgui renderer)

View File

@ -1,7 +1,8 @@
#ifndef UMBRA_MODULE_H
#define UMBRA_MODULE_H
#include "../../../shadow-reflection/src/SHObject.h"
#include "SHObject.h"
#include <SDL_events.h>
namespace ShadowEngine {
@ -30,21 +31,25 @@ namespace ShadowEngine {
/// </summary>
virtual void Update() = 0;
virtual void PreRender() = 0;
virtual void Render() = 0;
virtual void LateRender() = 0;
virtual void AfterFrameEnd() {};
virtual void AfterFrameEnd() = 0;
virtual void Destroy() = 0;
virtual void Event(SDL_Event* e) = 0;
/// <summary>
/// Returns the name of the module
/// </summary>
/// <returns></returns>
virtual std::string GetName() = 0;
Module();
virtual ~Module();
virtual std::string GetName() {
return this->GetType();
};
};
} // ShadowEngine

View File

@ -7,8 +7,9 @@
namespace ShadowEngine {
class ModuleRef{
std::unique_ptr<Module> module;
struct ModuleRef{
public:
std::shared_ptr<Module> module;
std::string domain;
};
@ -22,15 +23,15 @@ namespace ShadowEngine {
~ModuleManager();
void PushModule(Module *module);
void PushModule(std::shared_ptr<Module> module, std::string domain);
Module &GetModule(std::string name);
template<typename T>
T *GetModuleByType() {
for (auto &module: modules) {
if (module->GetTypeId() == T::TypeId())
return dynamic_cast<T *>(module.get());
if (module.module->GetTypeId() == T::TypeId())
return dynamic_cast<T *>(module.module.get());
}
//SH_CORE_ERROR("Can't find the module {0}", T::Type());
return nullptr;
@ -44,7 +45,13 @@ namespace ShadowEngine {
void Render();
void PreRender();
void AfterFrameEnd();
void Destroy();
void Event(SDL_Event* evt);
};
}

View File

@ -0,0 +1,45 @@
//
// Created by dpete on 30/08/2022.
//
#ifndef UMBRA_SDL2MODULE_H
#define UMBRA_SDL2MODULE_H
#include "Module.h"
#include "ShadowWindow.h"
#include <SDL.h>
namespace ShadowEngine {
class SDL2Module : public Module {
SHObject_Base(SDL2Module)
public:
ShadowEngine::ShadowWindow* _window;
private:
void Init() override;
void PreInit() override;
void Update() override;
void Render() override;
void LateRender() override;
std::string GetName() override;
void AfterFrameEnd() override;
void PreRender() override;
void Destroy() override;
void Event(SDL_Event* e) override;
};
}
#endif //UMBRA_SDL2MODULE_H

View File

@ -1,5 +1,10 @@
#pragma once
#include "ShadowWindow.h"
#include "ModuleManager.h"
#include "exports.h"
#include "imgui.h"
#include "imgui_impl_sdl.h"
#include "imgui_impl_vulkan.h"
#include <string>
@ -8,7 +13,7 @@ namespace ShadowEngine {
/// <summary>
/// Represents the application
/// </summary>
class ShadowApplication
class ShadowApplication
{
/// <summary>
/// This is the singleton instance
@ -23,7 +28,7 @@ namespace ShadowEngine {
/// <summary>
/// The module manager instance
/// </summary>
//ShadowEngine::ShadowModuleManager moduleManager;
ModuleManager moduleManager;
/// <summary>
/// Represents the running state.
@ -34,20 +39,22 @@ namespace ShadowEngine {
bool no_gui = false;
std::string game = "";
void loadGame();
public:
/// <summary>
/// Default constructor
/// </summary>
ShadowApplication(int argc, char* argv[]);
virtual ~ShadowApplication();
virtual ~ShadowApplication();
/// <summary>
/// Static getter for the singleton instance
/// </summary>
/// Use this for accessing the Application
/// <returns>The current application reference</returns>
static ShadowApplication& Get() { return *instance; };
static ShadowApplication& Get();
/// <summary>
/// Returns the active window used for rendering
@ -56,9 +63,11 @@ namespace ShadowEngine {
//ShadowWindow& const GetWindow() const { return window_; };
//void SetWindow(ShadowWindow w) { window_ = w; }
//ShadowEngine::ShadowModuleManager& GetModuleManager() { return moduleManager; };
ShadowEngine::ModuleManager& GetModuleManager() { return moduleManager; };
void Init();
void Start();
};
void Init();
void Start();
};
}

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@ -0,0 +1,25 @@
#pragma once
#include <SDL.h>
namespace ShadowEngine {
class ShadowWindow {
public:
int Height;
int Width;
SDL_Window *sdlWindowPtr;
SDL_Surface *sdlSurface = NULL;
//ShadowEngine::Ref<ShadowEngine::Rendering::GraphicsContext> context;
ShadowWindow(int W, int H);
~ShadowWindow();
};
}

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@ -0,0 +1,41 @@
//
// Created by dpete on 31/08/2022.
//
#ifndef UMBRA_DEBUGMODULE_H
#define UMBRA_DEBUGMODULE_H
#include <SDL_events.h>
#include "core/Module.h"
namespace ShadowEngine::Debug {
class DebugModule : public Module {
SHObject_Base(DebugModule)
bool active;
public:
void Render() override;
void PreInit() override { };
void Init() override { };
void Update() override { };
void LateRender() override { };
void AfterFrameEnd() override { };
void PreRender() override { };
void Destroy() override {};
void Event(SDL_Event* e) override {};
};
}
#endif //UMBRA_DEBUGMODULE_H

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@ -0,0 +1,16 @@
//
// Created by dpete on 04/09/2022.
//
#pragma once
#if defined(_WIN32)
# if defined(EXPORTING_SH_ENGINE)
# define SH_EXPORT __declspec(dllexport)
# else
# define SH_EXPORT __declspec(dllimport)
# endif
#else // non windows
# define SH_EXPORT
#endif

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@ -0,0 +1,11 @@
//
// Created by dpete on 2022-07-06.
//
#include "core/Module.h"
namespace ShadowEngine {
SHObject_Base_Impl(Module)
} // ShadowEngine

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@ -0,0 +1,105 @@
//
// Created by dpete on 2022-07-06.
//
#include "core/ModuleManager.h"
#include <stdexcept>
ShadowEngine::ModuleManager* ShadowEngine::ModuleManager::instance = nullptr;
ShadowEngine::ModuleManager::ModuleManager()
{
if (instance != nullptr)
{
//ERROR
}
instance = this;
}
ShadowEngine::ModuleManager::~ModuleManager()
{
}
void ShadowEngine::ModuleManager::PushModule(std::shared_ptr<Module> module, const std::string domain)
{
ModuleRef r = {module, domain};
modules.emplace_back(r);
module->PreInit();
}
ShadowEngine::Module& ShadowEngine::ModuleManager::GetModule(std::string name)
{
for (auto& module : modules)
{
if (module.module->GetName() == name)
return *module.module;
}
//SH_ASSERT(false, "Can't find the module");
throw std::runtime_error("Can't find the module");
}
void ShadowEngine::ModuleManager::Init()
{
for (auto& module : modules)
{
module.module->Init();
}
}
void ShadowEngine::ModuleManager::Destroy()
{
for (auto& module : modules)
{
module.module->Destroy();
}
}
void ShadowEngine::ModuleManager::PreRender()
{
for (auto& module : modules)
{
module.module->PreRender();
}
}
void ShadowEngine::ModuleManager::Event(SDL_Event* evt)
{
for (auto& module : modules)
{
module.module->Event(evt);
}
}
void ShadowEngine::ModuleManager::Update()
{
for (auto& module : modules)
{
module.module->Update();
}
}
void ShadowEngine::ModuleManager::LateRender()
{
for (auto& module : modules)
{
module.module->LateRender();
}
}
void ShadowEngine::ModuleManager::Render()
{
for (auto& module : modules)
{
module.module->Render();
}
}
void ShadowEngine::ModuleManager::AfterFrameEnd()
{
for (auto& module : modules)
{
module.module->AfterFrameEnd();
}
}

View File

@ -0,0 +1,57 @@
//
// Created by dpete on 30/08/2022.
//
#include "core/SDL2Module.h"
#include "core/ShadowWindow.h"
#include "spdlog/spdlog.h"
#include "imgui_impl_sdl.h"
SHObject_Base_Impl(ShadowEngine::SDL2Module)
void ShadowEngine::SDL2Module::Init() {
}
void ShadowEngine::SDL2Module::PreInit() {
// Initialize SDL. SDL_Init will return -1 if it fails.
if ( SDL_Init( SDL_INIT_EVERYTHING ) < 0 ) {
spdlog::error("Error creating window: " + std::string(SDL_GetError()));
//system("pause");
// End the program
//return 1;
}
_window = new ShadowWindow(800,450);
}
void ShadowEngine::SDL2Module::Update() {
}
void ShadowEngine::SDL2Module::Render() {
}
void ShadowEngine::SDL2Module::LateRender() {
}
std::string ShadowEngine::SDL2Module::GetName() {
return this->GetType();
}
void ShadowEngine::SDL2Module::AfterFrameEnd() {
}
void ShadowEngine::SDL2Module::Event(SDL_Event *e) {
ImGui_ImplSDL2_ProcessEvent(e);
}
void ShadowEngine::SDL2Module::Destroy() {
SDL_DestroyWindow(_window->sdlWindowPtr);
SDL_Quit();
}
void ShadowEngine::SDL2Module::PreRender() {
}

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@ -0,0 +1,121 @@
#include "core/ShadowApplication.h"
#include "core/Time.h"
#include "core/SDL2Module.h"
#include "debug/DebugModule.h"
#include "dylib.hpp"
#include <imgui.h>
#include <imgui_impl_vulkan.h>
#include <imgui_impl_sdl.h>
#include <vlkx/vulkan/VulkanManager.h>
#include <vlkx/render/Camera.h>
#include <vlkx/render/geometry/SingleRenderer.h>
#include <spdlog/spdlog.h>
#define CATCH(x) \
try { x } catch (std::exception& e) { spdlog::error(e.what()); exit(0); }
namespace ShadowEngine {
dylib* gameLib;
ShadowApplication* ShadowApplication::instance = nullptr;
ShadowApplication::ShadowApplication(int argc, char* argv[])
{
instance = this;
if(argc > 1)
{
for (size_t i = 0; i < argc; i++)
{
std::string param(argv[i]);
if(param == "-no-gui")
{
this->no_gui = true;
}
if(param == "-game")
{
this->game = argv[i+1];
}
}
}
}
ShadowApplication::~ShadowApplication()
{
}
void ShadowApplication::loadGame(){
if(game.empty())
return;
void (*gameInti)(ShadowApplication*);
try {
gameLib = new dylib("./", game);
gameInti = gameLib->get_function<void(ShadowApplication*)>("shadow_main");
gameInti(this);
}
catch (std::exception& e) {
spdlog::error(e.what());
exit(1);
}
}
void ShadowApplication::Init()
{
spdlog::info("Starting Shadow Engine!");
loadGame();
printf("exe side: %p \n", VulkanManager::getInstance());
printf("exe next ID: %llu \n", ShadowEngine::SHObject::GenerateId());
moduleManager.PushModule(std::make_shared<SDL2Module>(),"core");
moduleManager.PushModule(std::make_shared<Debug::DebugModule>(), "core");
moduleManager.Init();
auto sdl2module = moduleManager.GetModuleByType<SDL2Module>();
window_ = sdl2module->_window;
}
void ShadowApplication::Start()
{
SDL_Event event;
while (running)
{
while (SDL_PollEvent(&event)) { // poll until all events are handled!
moduleManager.Event(&event);
if (event.type == SDL_QUIT)
running = false;
}
moduleManager.Update();
moduleManager.PreRender();
VulkanManager::getInstance()->startDraw();
moduleManager.Render();
moduleManager.LateRender();
VulkanManager::getInstance()->endDraw();
moduleManager.AfterFrameEnd();
}
moduleManager.Destroy();
delete gameLib;
}
ShadowApplication& ShadowApplication::Get() { return *instance; };
}

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@ -1,7 +1,9 @@
#include "ShadowWindow.h"
#include "core/ShadowWindow.h"
#include "spdlog/spdlog.h"
#include <string>
ShadowWindow::ShadowWindow(int W, int H) : Height(H), Width(W)
ShadowEngine::ShadowWindow::ShadowWindow(int W, int H) : Height(H), Width(W)
{
// Create our window
sdlWindowPtr = SDL_CreateWindow( "Candlefire", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, Width, Height, SDL_WINDOW_SHOWN | SDL_WINDOW_VULKAN );
@ -9,11 +11,11 @@ ShadowWindow::ShadowWindow(int W, int H) : Height(H), Width(W)
// Make sure creating the window succeeded
if ( !sdlWindowPtr ) {
//Raise an error in the log
//std::cout << "Error creating window: " << SDL_GetError() << std::endl;
spdlog::error("Error creating window: " + std::string(SDL_GetError()));
}
}
ShadowWindow::~ShadowWindow()
ShadowEngine::ShadowWindow::~ShadowWindow()
{
}

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@ -1,4 +1,4 @@
#include "Time.h"
#include "core/Time.h"
//#include <SDL_hints.h>
//#include <SDL.h>

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@ -0,0 +1,37 @@
//
// Created by dpete on 31/08/2022.
//
#include "debug/DebugModule.h"
#include "imgui.h"
#include "core/Time.h"
#include "core/ModuleManager.h"
SHObject_Base_Impl(ShadowEngine::Debug::DebugModule)
void ShadowEngine::Debug::DebugModule::Render() {
ImGui::Begin("Time", &active, ImGuiWindowFlags_MenuBar);
ImGui::Text("delta time in ms: %lf", Time::deltaTime_ms);
ImGui::Text("delta time in s: %lf", Time::deltaTime);
ImGui::Text("LAST time in: %ld", Time::LAST);
ImGui::End();
ImGui::Begin("Active Modules", &active, ImGuiWindowFlags_MenuBar);
ShadowEngine::ModuleManager* m = ShadowEngine::ModuleManager::instance;
ImGui::TextColored(ImVec4(1.0f, 1.0f, 0.4f, 1.0f), "Active Modules:");
for (auto& module : m->modules)
{
ImGui::Text("%s", module.module->GetName().c_str());
}
ImGui::End();
}

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@ -1,7 +1,7 @@
set(CMAKE_CXX_STANDARD 20)
# Set up Catch2 testing
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
list(APPEND CMAKE_MODULE_PATH "cmake")
enable_testing()
# Set up asset sourceset

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@ -85,6 +85,6 @@ endfunction()
###############################################################################
set(_CATCH_DISCOVER_TESTS_SCRIPT
${CMAKE_CURRENT_LIST_DIR}/CatchAddTests.cmake
CatchAddTests.cmake
CACHE INTERNAL "Catch2 full path to CatchAddTests.cmake helper file"
)

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@ -2,6 +2,8 @@
#include <string>
#include <typeinfo>
#include "exports.h"
namespace ShadowEngine {
/**
@ -18,16 +20,12 @@ namespace ShadowEngine {
*/
class SHObject
{
protected:
public:
/**
* \brief Generates a new UID for each call
* \return the next Unique ID that was just generated
*/
static uint64_t GenerateId() noexcept
{
static uint64_t count = 0;
return ++count;
}
SH_EXPORT static uint64_t GenerateId() noexcept;
public:
/**
@ -51,10 +49,13 @@ namespace ShadowEngine {
*/
#define SHObject_Base(type) \
public: \
static const std::string& Type() { static const std::string t = typeid(type).name(); return t; } \
static uint64_t TypeId() { static const uint64_t id = GenerateId(); return id; } \
static const std::string& Type(); \
static uint64_t TypeId(); \
const std::string& GetType() const override { return Type(); } \
const uint64_t GetTypeId() const override { return type::TypeId(); } \
private:
#define SHObject_Base_Impl(type) \
const std::string& type::Type() { static const std::string t = typeid(type).name(); return t; } \
uint64_t type::TypeId() { static const uint64_t id = GenerateId(); return id; }
}

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@ -0,0 +1,6 @@
#include "../inc/SHObject.h"
uint64_t ShadowEngine::SHObject::GenerateId() noexcept {
static uint64_t count = 0;
return ++count;
}

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@ -28,12 +28,22 @@ void RenderPass::createVertexRenderPass(VkFormat format) {
subpass.pColorAttachments = &colorReference;
// Prepare the Render Pass for creation
VkSubpassDependency dependency = {};
dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
dependency.dstSubpass = 0;
dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
dependency.srcAccessMask = 0;
dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
std::array<VkAttachmentDescription, 1> attachments = { color };
VkRenderPassCreateInfo createInfo = {};
createInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
createInfo.attachmentCount = static_cast<uint32_t>(attachments.size());
createInfo.pAttachments = attachments.data();
createInfo.subpassCount = 1;
createInfo.dependencyCount = 1;
createInfo.pDependencies = &dependency;
createInfo.pSubpasses = &subpass;
// Create the Render Pass

View File

@ -57,16 +57,17 @@ std::vector<const char*> ValidationAndExtension::getRequiredExtensions(SDL_Windo
}
static VKAPI_ATTR VkBool32 VKAPI_CALL debugCallback(
VkDebugReportFlagsEXT flags,
VkDebugReportObjectTypeEXT objExt,
size_t obj,
size_t location,
int32_t code,
const char* layer,
const char* message,
void* user) {
VkDebugReportFlagsEXT flags,
VkDebugReportObjectTypeEXT objectType,
uint64_t object,
size_t location,
int32_t messageCode,
const char* pLayerPrefix,
const char* pMessage,
void* pUserData
) {
std::cerr << "Validation from layer " << layer << ": " << message << std::endl;
std::cerr << "Validation from layer " << pLayerPrefix << ": " << pMessage << std::endl;
return false;
}

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@ -1,8 +0,0 @@
//
// Created by dpete on 2022-07-06.
//
#include "Module.h"
namespace ShadowEngine {
} // ShadowEngine

View File

@ -1,5 +0,0 @@
//
// Created by dpete on 2022-07-06.
//
#include "ModuleManager.h"

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@ -1,230 +0,0 @@
#include "ShadowApplication.h"
#include "Time.h"
#include "imgui.h"
#include "imgui_impl_vulkan.h"
#include "imgui_impl_sdl.h"
#include <vlkx/vulkan/VulkanManager.h>
#include <vlkx/render/Camera.h>
#include <vlkx/render/geometry/SingleRenderer.h>
#include "spdlog/spdlog.h"
#define CATCH(x) \
try { x } catch (std::exception& e) { spdlog::error(e.what()); exit(0); }
namespace ShadowEngine {
// Create the renderer
SingleRenderer object;
ShadowApplication* ShadowApplication::instance = nullptr;
ShadowApplication::ShadowApplication(int argc, char* argv[])
{
instance = this;
if(argc > 1)
{
for (size_t i = 0; i < argc; i++)
{
std::string param(argv[i]);
if(param == "-no-gui")
{
this->no_gui = true;
}
if(param == "-game")
{
this->game = argv[i+1];
}
}
}
//game = _setupFunc();
}
ShadowApplication::~ShadowApplication()
{
}
void ShadowApplication::Init()
{
// 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;
}
window_ = new ShadowWindow(800,450);
CATCH(VulkanManager::getInstance()->initVulkan(window_->sdlWindowPtr);)
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
// Setup Dear ImGui style
ImGui::StyleColorsDark();
VkDescriptorPool imGuiPool;
VulkanManager* vk = VulkanManager::getInstance();
VkDescriptorPoolSize pool_sizes[] =
{
{ VK_DESCRIPTOR_TYPE_SAMPLER, 1000 },
{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 },
{ VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, 1000 },
{ VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, 1000 },
{ VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER, 1000 },
{ VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER, 1000 },
{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1000 },
{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1000 },
{ VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC, 1000 },
{ VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC, 1000 },
{ VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT, 1000 }
};
VkDescriptorPoolCreateInfo pool_info = {};
pool_info.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO;
pool_info.flags = VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT;
pool_info.maxSets = 1000 * IM_ARRAYSIZE(pool_sizes);
pool_info.poolSizeCount = (uint32_t)IM_ARRAYSIZE(pool_sizes);
pool_info.pPoolSizes = pool_sizes;
vkCreateDescriptorPool(vk->getDevice()->logical, &pool_info, VK_NULL_HANDLE, &imGuiPool);
// Setup Platform/Renderer backends
ImGui_ImplSDL2_InitForVulkan(window_->sdlWindowPtr);
ImGui_ImplVulkan_InitInfo init_info = {};
init_info.Instance = vk->getVulkan();
init_info.PhysicalDevice = vk->getDevice()->physical;
init_info.Device = vk->getDevice()->logical;
init_info.QueueFamily = vk->getDevice()->queueData.graphics;
init_info.Queue = vk->getDevice()->graphicsQueue;
init_info.PipelineCache = VK_NULL_HANDLE;
init_info.DescriptorPool = imGuiPool;
init_info.Subpass = 0;
init_info.MinImageCount = vk->getSwapchain()->images.size();
init_info.ImageCount = vk->getSwapchain()->images.size();
init_info.MSAASamples = VK_SAMPLE_COUNT_1_BIT;
init_info.Allocator = VK_NULL_HANDLE;
init_info.CheckVkResultFn = nullptr;
ImGui_ImplVulkan_Init(&init_info, vk->getRenderPass()->pass);
// Load Fonts
// - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
// - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
// - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit).
// - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call.
// - Read 'docs/FONTS.md' for more instructions and details.
// - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
//io.Fonts->AddFontDefault();
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f);
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f);
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f);
//ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
//IM_ASSERT(font != NULL);
// Upload Fonts
{
// Prepare to create a temporary command pool.
VkCommandPool pool;
VkCommandPoolCreateInfo poolCreateInfo = {};
poolCreateInfo.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
poolCreateInfo.queueFamilyIndex = vk->getDevice()->queueData.graphics;
poolCreateInfo.flags = 0;
// Create the pool
if (vkCreateCommandPool(vk->getDevice()->logical, &poolCreateInfo, nullptr, &pool) != VK_SUCCESS)
throw std::runtime_error("Unable to allocate a temporary command pool");
VkCommandBuffer buffer = VkTools::createTempCommandBuffer(pool, vk->getDevice()->logical);
ImGui_ImplVulkan_CreateFontsTexture(buffer);
VkSubmitInfo end_info = {};
end_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
end_info.commandBufferCount = 1;
end_info.pCommandBuffers = &buffer;
VkTools::executeAndDeleteTempBuffer(buffer, pool, vk->getDevice()->graphicsQueue, vk->getDevice()->logical);
ImGui_ImplVulkan_DestroyFontUploadObjects();
}
/*
moduleManager.PushModule(new Log());
moduleManager.PushModule(new EventSystem::ShadowEventManager());
moduleManager.PushModule(new SDLPlatform::SDLModule());
moduleManager.PushModule(new Rendering::Renderer());
moduleManager.PushModule(new Assets::AssetManager());
if(!no_gui)
moduleManager.PushModule(new DebugGui::ImGuiModule());
moduleManager.PushModule(new InputSystem::ShadowActionSystem());
//moduleManager.PushModule(new Debug::DebugModule());
moduleManager.PushModule(new EntitySystem::EntitySystem());
game->Init();
moduleManager.Init();
*/
}
void ShadowApplication::Start()
{
CATCH(object.createSingleRenderer(Geo::MeshType::Cube, glm::vec3(-1, 0, -1), glm::vec3(0.5));)
// Create the camera
Camera camera {};
camera.init(45, 1280, 720, 0.1, 10000);
camera.setPosition(glm::vec3(0, 0, 4));
SDL_Event event;
while (running)
{
while (SDL_PollEvent(&event)) { // poll until all events are handled!
ImGui_ImplSDL2_ProcessEvent(&event);
if (event.type == SDL_QUIT)
running = false;
}
object.setRotation(glm::rotate(object.getRotation(), (float) 0.5, glm::vec3(1, 0, 0)));
VulkanManager::getInstance()->startDraw();
ImGui_ImplVulkan_NewFrame();
ImGui_ImplSDL2_NewFrame();
ImGui::NewFrame();
/** START OF RENDER AREA */
/** PUT CODE HERE TO MAKE IT SHOW ON SCREEN */
CATCH(object.updateUniforms(camera);)
CATCH(object.draw();)
bool showDemo = true;
if (showDemo)
ImGui::ShowDemoWindow(&showDemo);
/** END OF RENDER AREA */
/** CODE AFTER HERE WILL NOT BE SHOWN ON SCREEN */
ImGui::Render();
ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), VulkanManager::getInstance()->getCurrentCommandBuffer());
VulkanManager::getInstance()->endDraw();
Time::UpdateTime();
}
ImGui_ImplVulkan_Shutdown();
ImGui_ImplSDL2_Shutdown();
ImGui::DestroyContext();
SDL_DestroyWindow(window_->sdlWindowPtr);
SDL_Quit();
}
}

View File

@ -1,22 +0,0 @@
#pragma once
#include <SDL.h>
class ShadowWindow
{
public:
int Height;
int Width;
SDL_Window* sdlWindowPtr;
SDL_Surface* sdlSurface = NULL;
//ShadowEngine::Ref<ShadowEngine::Rendering::GraphicsContext> context;
ShadowWindow(int W, int H);
~ShadowWindow();
};

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@ -1,6 +0,0 @@
set(CMAKE_CXX_STANDARD 20)
include_directories(${SDL2_INCLUDE_DIRS})
FILE(GLOB_RECURSE SOURCES src/*.cpp src/*.h)
add_library(shadow-reflect ${SOURCES})

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@ -1 +0,0 @@
#include "SHObject.h"

View File

@ -1,10 +0,0 @@
set(CMAKE_CXX_STANDARD 20)
find_package(Vulkan REQUIRED)
find_package(SDL2 REQUIRED)
FILE(GLOB_RECURSE SOURCES src/*.cpp inc/*.h)
add_library(renderer ${SOURCES})
target_include_directories(renderer PRIVATE ${SDL2_INCLUDE_DIRS} PUBLIC inc ${glm_SOURCE_DIR})
target_link_libraries(renderer PRIVATE SDL2::Main Vulkan::Vulkan spdlog::spdlog)

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@ -1,9 +1,20 @@
set(CMAKE_CXX_STANDARD 20)
find_package(SDL2 REQUIRED)
find_package(SDL2 CONFIG REQUIRED)
FILE(GLOB_RECURSE SOURCES src/*.cpp src/*.h)
add_executable(shadow-runtime ${SOURCES})
target_include_directories(shadow-runtime PRIVATE ${SDL2_INCLUDE_DIRS})
target_link_libraries(shadow-runtime PRIVATE SDL2::Main shadow-engine)
target_link_libraries(shadow-runtime PRIVATE SDL2::SDL2main PUBLIC shadow-engine)
add_custom_command(TARGET shadow-runtime POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy $<TARGET_RUNTIME_DLLS:shadow-runtime> $<TARGET_FILE_DIR:shadow-runtime>
COMMAND_EXPAND_LISTS
)
add_custom_command(TARGET shadow-runtime
POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_CURRENT_SOURCE_DIR}/vlkx-resources ${CMAKE_CURRENT_BINARY_DIR}/vlkx-resources
)

View File

@ -1,4 +1,4 @@
#include "../../shadow-engine/src/core/ShadowApplication.h"
#include "core/ShadowApplication.h"
#include <iostream>
#include <iomanip>

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