mirror of
https://github.com/FunkyFr3sh/cnc-ddraw.git
synced 2025-03-15 06:04:49 +01:00
some experimental code for Capitalism2/CapLab
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@ -15,6 +15,15 @@
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HRESULT dds_AddAttachedSurface(IDirectDrawSurfaceImpl *This, LPDIRECTDRAWSURFACE lpDDSurface)
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{
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IDirectDrawSurface_AddRef(lpDDSurface);
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if (g_ddraw->backbuffer && !This->backbuffer)
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{
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IDirectDrawSurfaceImpl* surface = (IDirectDrawSurfaceImpl*)lpDDSurface;
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surface->caps |= DDSCAPS_BACKBUFFER;
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This->backbuffer = surface;
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}
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return DD_OK;
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}
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@ -672,21 +681,21 @@ HRESULT dds_EnumAttachedSurfaces(IDirectDrawSurfaceImpl *This, LPVOID lpContext,
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HRESULT dds_Flip(IDirectDrawSurfaceImpl *This, LPDIRECTDRAWSURFACE surface, DWORD flags)
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{
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if(This->caps & DDSCAPS_PRIMARYSURFACE && g_ddraw->render.run)
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if (This->backbuffer)
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{
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if (This->backbuffer)
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{
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EnterCriticalSection(&g_ddraw->cs);
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void* surface = InterlockedExchangePointer(&This->surface, This->backbuffer->surface);
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HBITMAP bitmap = (HBITMAP)InterlockedExchangePointer(&This->bitmap, This->backbuffer->bitmap);
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HDC hdc = (HDC)InterlockedExchangePointer(&This->hdc, This->backbuffer->hdc);
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EnterCriticalSection(&g_ddraw->cs);
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void* surface = InterlockedExchangePointer(&This->surface, This->backbuffer->surface);
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HBITMAP bitmap = (HBITMAP)InterlockedExchangePointer(&This->bitmap, This->backbuffer->bitmap);
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HDC hdc = (HDC)InterlockedExchangePointer(&This->hdc, This->backbuffer->hdc);
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InterlockedExchangePointer(&This->backbuffer->surface, surface);
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InterlockedExchangePointer(&This->backbuffer->bitmap, bitmap);
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InterlockedExchangePointer(&This->backbuffer->hdc, hdc);
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LeaveCriticalSection(&g_ddraw->cs);
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}
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InterlockedExchangePointer(&This->backbuffer->surface, surface);
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InterlockedExchangePointer(&This->backbuffer->bitmap, bitmap);
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InterlockedExchangePointer(&This->backbuffer->hdc, hdc);
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LeaveCriticalSection(&g_ddraw->cs);
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}
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if (This->caps & DDSCAPS_PRIMARYSURFACE && g_ddraw->render.run)
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{
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This->last_flip_tick = timeGetTime();
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InterlockedExchange(&g_ddraw->render.surface_updated, TRUE);
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