wined3d: Only update the screen when the frontbuffer was changed.

There is no need to copy the frontbuffer to the screen when the backbuffer was modified...

wined3d: Only update the screen when the frontbuffer was changed.
1f876121 · Stefan Dösinger · Alexandre Julliard · b3f967a0 · 1f876121
Commit 1f876121 authored Jun 27, 2009 by Stefan Dösinger Committed by Alexandre Julliard Jun 29, 2009
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Showing with 8 additions and 2 deletions

surface_gdi.c dlls/wined3d/surface_gdi.c +8 -2

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--- a/dlls/wined3d/surface_gdi.c
+++ b/dlls/wined3d/surface_gdi.c
@@ -199,7 +199,10 @@ IWineGDISurfaceImpl_UnlockRect(IWineD3DSurface *iface)
    /* Tell the swapchain to update the screen */
    if (SUCCEEDED(IWineD3DSurface_GetContainer(iface, &IID_IWineD3DSwapChain, (void **)&swapchain)))
    {
-        x11_copy_to_screen(swapchain, &This->lockedRect);
+        if(iface == swapchain->frontBuffer)
+        {
+            x11_copy_to_screen(swapchain, &This->lockedRect);
+        }
        IWineD3DSwapChain_Release((IWineD3DSwapChain *) swapchain);
    }

@@ -490,7 +493,10 @@ static HRESULT WINAPI IWineGDISurfaceImpl_RealizePalette(IWineD3DSurface *iface)
    /* Tell the swapchain to update the screen */
    if (SUCCEEDED(IWineD3DSurface_GetContainer(iface, &IID_IWineD3DSwapChain, (void **)&swapchain)))
    {
-        x11_copy_to_screen(swapchain, NULL);
+        if(iface == swapchain->frontBuffer)
+        {
+            x11_copy_to_screen(swapchain, NULL);
+        }
        IWineD3DSwapChain_Release((IWineD3DSwapChain *) swapchain);
    }