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wined3d: Only swap system memory resources of front and back buffer if they have the same size.

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Stefan Dösinger 2007-05-28 21:21:43 +02:00 committed by Alexandre Julliard
parent cf1e01eb0c
commit 43fda1f4f0
1 changed files with 50 additions and 45 deletions
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95
dlls/wined3d/swapchain.c
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@ -321,52 +321,57 @@ static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CO
BOOL frontuptodate = front->Flags & SFLAG_INSYSMEM;
BOOL backuptodate = back->Flags & SFLAG_INSYSMEM;
/* Flip the DC */
{
HDC tmp;
tmp = front->hDC;
front->hDC = back->hDC;
back->hDC = tmp;
if(front->resource.size == back->resource.size) {
/* Flip the DC */
{
HDC tmp;
tmp = front->hDC;
front->hDC = back->hDC;
back->hDC = tmp;
}
/* Flip the DIBsection */
{
HBITMAP tmp;
BOOL hasDib = front->Flags & SFLAG_DIBSECTION;
tmp = front->dib.DIBsection;
front->dib.DIBsection = back->dib.DIBsection;
back->dib.DIBsection = tmp;
if(back->Flags & SFLAG_DIBSECTION) front->Flags |= SFLAG_DIBSECTION;
else front->Flags &= ~SFLAG_DIBSECTION;
if(hasDib) back->Flags |= SFLAG_DIBSECTION;
else back->Flags &= ~SFLAG_DIBSECTION;
}
/* Flip the surface data */
{
void* tmp;
tmp = front->dib.bitmap_data;
front->dib.bitmap_data = back->dib.bitmap_data;
back->dib.bitmap_data = tmp;
tmp = front->resource.allocatedMemory;
front->resource.allocatedMemory = back->resource.allocatedMemory;
back->resource.allocatedMemory = tmp;
}
/* client_memory should not be different, but just in case */
{
BOOL tmp;
tmp = front->dib.client_memory;
front->dib.client_memory = back->dib.client_memory;
back->dib.client_memory = tmp;
}
if(frontuptodate) back->Flags |= SFLAG_INSYSMEM;
else back->Flags &= ~SFLAG_INSYSMEM;
if(backuptodate) front->Flags |= SFLAG_INSYSMEM;
else front->Flags &= ~SFLAG_INSYSMEM;
} else {
back->Flags &= ~SFLAG_INSYSMEM;
front->Flags &= ~SFLAG_INSYSMEM;
}
/* Flip the DIBsection */
{
HBITMAP tmp;
BOOL hasDib = front->Flags & SFLAG_DIBSECTION;
tmp = front->dib.DIBsection;
front->dib.DIBsection = back->dib.DIBsection;
back->dib.DIBsection = tmp;
if(back->Flags & SFLAG_DIBSECTION) front->Flags |= SFLAG_DIBSECTION;
else front->Flags &= ~SFLAG_DIBSECTION;
if(hasDib) back->Flags |= SFLAG_DIBSECTION;
else back->Flags &= ~SFLAG_DIBSECTION;
}
/* Flip the surface data */
{
void* tmp;
tmp = front->dib.bitmap_data;
front->dib.bitmap_data = back->dib.bitmap_data;
back->dib.bitmap_data = tmp;
tmp = front->resource.allocatedMemory;
front->resource.allocatedMemory = back->resource.allocatedMemory;
back->resource.allocatedMemory = tmp;
}
/* client_memory should not be different, but just in case */
{
BOOL tmp;
tmp = front->dib.client_memory;
front->dib.client_memory = back->dib.client_memory;
back->dib.client_memory = tmp;
}
if(frontuptodate) back->Flags |= SFLAG_INSYSMEM;
else back->Flags &= ~SFLAG_INSYSMEM;
if(backuptodate) front->Flags |= SFLAG_INSYSMEM;
else front->Flags &= ~SFLAG_INSYSMEM;
}
TRACE("returning\n");