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More drawing optimizations.

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This commit is contained in:
Curle 2021-06-18 22:15:39 +01:00
parent 2b90ae603b
commit e867998352
Signed by: TheCurle
GPG Key ID: 5942F13718443F79
2 changed files with 17 additions and 24 deletions
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6
src/system/memory/physmem.c
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@ -221,11 +221,11 @@ void ListMemoryMap() {
}
void AddRangeToPhysMem(directptr_t Base, size_t Size) {
if(Base + Size < (void*)(LOWER_REGION)) {
if((size_t) Base + Size < (size_t) (LOWER_REGION)) {
SerialPrintf("[ Mem] New range in lower memory: 0x%p, size 0x%x\r\n", Base, Size);
AddRangeToBuddy(&LowBuddy, Base, Size);
} else {
if(Base < (void*)(LOWER_REGION)) {
if((size_t) Base < (size_t) LOWER_REGION) {
size_t difference = (size_t) LOWER_REGION - (size_t) Base;
SerialPrintf("[ Mem] Base is 0x%p bytes away from the threshold, allocating 0x%p-0x%p to lower memory..\r\n", difference, Base, Base + difference);
AddRangeToBuddy(&LowBuddy, Base, difference);
@ -237,7 +237,7 @@ void AddRangeToPhysMem(directptr_t Base, size_t Size) {
HighBuddy.Base = Base;
}
SerialPrintf("[ Mem] New range in higher memory: 0x%p, size 0x%x\r\n", Base, Size);
SerialPrintf("[ Mem] New range in higher memory: 0x%p, size 0x%x\r\n", (size_t) Base, Size);
AddRangeToBuddy(&HighBuddy, Base, Size);
}

29
src/video/draw.c
View File

@ -29,8 +29,8 @@ void InitPrint() {
PrintInfo.charScale = 1;
PrintInfo.charPosX = 1;
PrintInfo.charPosY = 1;
PrintInfo.charPosX = 0;
PrintInfo.charPosY = 0;
PrintInfo.horizontalOffset = 1;
PrintInfo.scrlMode = 0;
@ -38,7 +38,7 @@ void InitPrint() {
PrintInfo.screenWidth = bootldr.fb_width;
PrintInfo.screenHeight = bootldr.fb_height;
PrintInfo.charsPerRow = bootldr.fb_width / (PrintInfo.charScale * PrintInfo.charWidth) - 4;
PrintInfo.charsPerRow = bootldr.fb_width / (PrintInfo.charScale * PrintInfo.charWidth);
PrintInfo.rowsPerScrn = bootldr.fb_height / (PrintInfo.charScale * PrintInfo.charHeight);
SerialPrintf("[Print] A single character is %ux%u pixels.\r\n", PrintInfo.charScale * PrintInfo.charWidth, PrintInfo.charScale * PrintInfo.charHeight);
SerialPrintf("[Print] The screen is %ux%u, meaning you can fit %ux%u characters on screen.\r\n", bootldr.fb_width, bootldr.fb_height, PrintInfo.charsPerRow, PrintInfo.rowsPerScrn);
@ -101,23 +101,14 @@ static void DrawChar(const char character, size_t x, size_t y) {
}
}
void DrawPixel(size_t x, size_t y) {
if(x > bootldr.fb_scanline) {
DrawPixel(x - bootldr.fb_scanline, y + (PrintInfo.charHeight * PrintInfo.charScale));
} else if(y > bootldr.fb_height) {
DrawPixel(x, y - bootldr.fb_height);
} else {
inline void DrawPixel(size_t x, size_t y) {
*((uint32_t*) (&fb + (y * bootldr.fb_width + x) * 4)) = PrintInfo.charFGColor;
}
}
void FillScreen(uint32_t color) {
uint32_t currentColor = GetForegroundColor();
SetForegroundColor(color);
for(size_t y = 0; y < bootldr.fb_height; y++) {
for(size_t x = 0; x < bootldr.fb_width; x++) {
DrawPixel(x, y);
}
for(uint32_t pixel = 0; pixel < bootldr.fb_width * bootldr.fb_height; pixel++) {
((uint32_t*)fb)[pixel] = color;
}
SetForegroundColor(currentColor);
}
@ -128,9 +119,10 @@ static void ProgressCursorS(size_t Steps) {
size_t Rows = Steps / PrintInfo.charsPerRow;
if(PrintInfo.charPosY + Rows > PrintInfo.rowsPerScrn) {
size_t RowsLeft = PrintInfo.rowsPerScrn - PrintInfo.charPosY;
ProgressCursorS((Rows - RowsLeft) * PrintInfo.charsPerRow);
ProgressCursorS(RowsLeft + 1);
NewLine();
} else {
PrintInfo.charPosY++;
PrintInfo.charPosY += Rows;
}
} else {
PrintInfo.charPosX += Steps;
@ -138,7 +130,8 @@ static void ProgressCursorS(size_t Steps) {
}
static void Newline() {
ProgressCursorS(PrintInfo.charsPerRow);
// One row down, unless it goes off the screen, in which case start from the top.
PrintInfo.charPosY = PrintInfo.charPosY + 1 > PrintInfo.rowsPerScrn ? 0 : PrintInfo.charPosY + 1;
}
static void ProgressCursor() {