mirror of
https://github.com/FunkyFr3sh/cnc-ddraw.git
synced 2025-03-15 06:04:49 +01:00
fix DeleteAttachedSurface and add some NULL checks
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442b6c3f57
commit
63c4e6ff57
@ -14,14 +14,17 @@
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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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if (lpDDSurface)
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{
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IDirectDrawSurfaceImpl* surface = (IDirectDrawSurfaceImpl*)lpDDSurface;
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surface->caps |= DDSCAPS_BACKBUFFER;
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IDirectDrawSurface_AddRef(lpDDSurface);
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This->backbuffer = surface;
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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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}
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return DD_OK;
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@ -611,7 +614,12 @@ HRESULT dds_BltFast(IDirectDrawSurfaceImpl *This, DWORD dst_x, DWORD dst_y, LPDI
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HRESULT dds_DeleteAttachedSurface(IDirectDrawSurfaceImpl *This, DWORD dwFlags, LPDIRECTDRAWSURFACE lpDDSurface)
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{
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IDirectDrawSurface_Release(lpDDSurface);
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if (lpDDSurface)
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{
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IDirectDrawSurface_Release(lpDDSurface);
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This->backbuffer = NULL;
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}
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return DD_OK;
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}
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