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Optimize GDI renderer by blitting directly to DC

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This commit is contained in:
Toni Spets 2011-07-09 16:46:51 +03:00
parent 921684fed8
commit 6c7e656c67
1 changed files with 4 additions and 12 deletions
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16
render_soft.c
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@ -22,10 +22,7 @@
DWORD WINAPI render_soft_main(void)
{
HDC memDC = CreateCompatibleDC(ddraw->render.hDC);
HBITMAP surface = CreateCompatibleBitmap(ddraw->render.hDC, ddraw->width, ddraw->height);
PBITMAPINFO bmi = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFO) + (sizeof(RGBQUAD) * 256) + 1024);
PBITMAPINFO bmi = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmi->bmiHeader.biWidth = ddraw->width;
@ -34,8 +31,6 @@ DWORD WINAPI render_soft_main(void)
bmi->bmiHeader.biBitCount = ddraw->bpp;
bmi->bmiHeader.biCompression = BI_RGB;
SelectObject(memDC, surface);
DWORD tick_start = 0;
DWORD tick_end = 0;
DWORD frame_len = 0;
@ -65,15 +60,13 @@ DWORD WINAPI render_soft_main(void)
ddraw->primary->palette->data_rgb = &bmi->bmiColors[0];
}
SetDIBits(memDC, surface, 0, ddraw->height, ddraw->primary->surface, bmi, DIB_RGB_COLORS);
if (ddraw->render.width != ddraw->width || ddraw->render.height != ddraw->height)
{
StretchBlt(ddraw->render.hDC, 0, 0, ddraw->render.width, ddraw->render.height, memDC, 0, 0, ddraw->width, ddraw->height, SRCCOPY);
StretchDIBits(ddraw->render.hDC, 0, 0, ddraw->render.width, ddraw->render.height, 0, 0, ddraw->width, ddraw->height, ddraw->primary->surface, bmi, DIB_RGB_COLORS, SRCCOPY);
}
else
{
BitBlt(ddraw->render.hDC, 0, 0, ddraw->width, ddraw->height, memDC, 0, 0, SRCCOPY);
SetDIBitsToDevice(ddraw->render.hDC, 0, 0, ddraw->width, ddraw->height, 0, 0, 0, ddraw->height, ddraw->primary->surface, bmi, DIB_RGB_COLORS);
}
}
LeaveCriticalSection(&ddraw->cs);
@ -92,7 +85,6 @@ DWORD WINAPI render_soft_main(void)
}
HeapFree(GetProcessHeap(), 0, bmi);
DeleteObject(surface);
DeleteDC(memDC);
return TRUE;
}