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https://github.com/FunkyFr3sh/cnc-ddraw.git
synced 2025-03-15 06:04:49 +01:00
Optimize GDI renderer by blitting directly to DC
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parent
921684fed8
commit
6c7e656c67
@ -22,10 +22,7 @@
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DWORD WINAPI render_soft_main(void)
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{
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HDC memDC = CreateCompatibleDC(ddraw->render.hDC);
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HBITMAP surface = CreateCompatibleBitmap(ddraw->render.hDC, ddraw->width, ddraw->height);
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PBITMAPINFO bmi = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFO) + (sizeof(RGBQUAD) * 256) + 1024);
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PBITMAPINFO bmi = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
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bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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bmi->bmiHeader.biWidth = ddraw->width;
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@ -34,8 +31,6 @@ DWORD WINAPI render_soft_main(void)
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bmi->bmiHeader.biBitCount = ddraw->bpp;
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bmi->bmiHeader.biCompression = BI_RGB;
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SelectObject(memDC, surface);
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DWORD tick_start = 0;
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DWORD tick_end = 0;
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DWORD frame_len = 0;
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@ -65,15 +60,13 @@ DWORD WINAPI render_soft_main(void)
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ddraw->primary->palette->data_rgb = &bmi->bmiColors[0];
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}
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SetDIBits(memDC, surface, 0, ddraw->height, ddraw->primary->surface, bmi, DIB_RGB_COLORS);
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if (ddraw->render.width != ddraw->width || ddraw->render.height != ddraw->height)
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{
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StretchBlt(ddraw->render.hDC, 0, 0, ddraw->render.width, ddraw->render.height, memDC, 0, 0, ddraw->width, ddraw->height, SRCCOPY);
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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);
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}
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else
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{
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BitBlt(ddraw->render.hDC, 0, 0, ddraw->width, ddraw->height, memDC, 0, 0, SRCCOPY);
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SetDIBitsToDevice(ddraw->render.hDC, 0, 0, ddraw->width, ddraw->height, 0, 0, 0, ddraw->height, ddraw->primary->surface, bmi, DIB_RGB_COLORS);
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}
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}
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LeaveCriticalSection(&ddraw->cs);
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@ -92,7 +85,6 @@ DWORD WINAPI render_soft_main(void)
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}
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HeapFree(GetProcessHeap(), 0, bmi);
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DeleteObject(surface);
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DeleteDC(memDC);
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return TRUE;
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}
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