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wined3d: Duplicate flips in software if the local copy is up to date.

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Stefan Dösinger 2006-07-17 23:01:32 +02:00 committed by Alexandre Julliard
parent 9a9a14d4f5
commit 9740555d83
1 changed files with 49 additions and 2 deletions
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51
dlls/wined3d/swapchain.c
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@ -332,8 +332,55 @@ static HRESULT WINAPI IWineD3DSwapChainImpl_Present(IWineD3DSwapChain *iface, CO
IWineD3DDevice_Clear((IWineD3DDevice*)This->wineD3DDevice, 0, NULL, D3DCLEAR_STENCIL|D3DCLEAR_ZBUFFER, 0x00, 1.0, 0);
}
((IWineD3DSurfaceImpl *) This->frontBuffer)->Flags |= SFLAG_GLDIRTY;
((IWineD3DSurfaceImpl *) This->backBuffer[0])->Flags |= SFLAG_GLDIRTY;
if(!(((IWineD3DSurfaceImpl *) This->frontBuffer)->Flags & SFLAG_GLDIRTY) ||
!(((IWineD3DSurfaceImpl *) This->backBuffer[0])->Flags & SFLAG_GLDIRTY) ) {
/* Both memory copies of the surfaces are ok, flip them around too instead of dirtifying */
IWineD3DSurfaceImpl *front = (IWineD3DSurfaceImpl *) This->frontBuffer;
IWineD3DSurfaceImpl *back = (IWineD3DSurfaceImpl *) This->backBuffer[0];
BOOL frontdirty = front->Flags & SFLAG_GLDIRTY;
BOOL backdirty = back->Flags & SFLAG_GLDIRTY;
/* Flip the DC */
{
HDC tmp;
tmp = front->hDC;
front->hDC = back->hDC;
back->hDC = tmp;
}
/* Flip the DIBsection */
{
HBITMAP tmp;
tmp = front->dib.DIBsection;
front->dib.DIBsection = back->dib.DIBsection;
back->dib.DIBsection = tmp;
}
/* 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(frontdirty) back->Flags |= SFLAG_GLDIRTY;
else back->Flags &= ~SFLAG_GLDIRTY;
if(backdirty) front->Flags |= SFLAG_GLDIRTY;
else front->Flags &= ~SFLAG_GLDIRTY;
}
TRACE("returning\n");
return WINED3D_OK;