wined3d: Don't use rtInternal for surfaces that are on a swapchain.

These surfaces won't be attached to an FBO anyway, so avoid the cost of a potential format conversion when blitting from a non-RT surface. This is mostly an issue for ddraw applications with 16 bit render targets.

wined3d: Don't use rtInternal for surfaces that are on a swapchain.
4469fbd4 · Henri Verbeet · Alexandre Julliard · 899df56e · 4469fbd4
Commit 4469fbd4 authored Mar 25, 2009 by Henri Verbeet Committed by Alexandre Julliard Mar 25, 2009
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surface.c dlls/wined3d/surface.c +4 -1

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--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -1621,7 +1621,10 @@ HRESULT d3dfmt_get_conv(IWineD3DSurfaceImpl *This, BOOL need_alpha_ck, BOOL use_
    if(srgb_mode) {
        *internal = glDesc->glGammaInternal;
-    } else if(This->resource.usage & WINED3DUSAGE_RENDERTARGET) {
+    }
+    else if (This->resource.usage & WINED3DUSAGE_RENDERTARGET
+            && !(This->Flags & SFLAG_SWAPCHAIN))
+    {
        *internal = glDesc->rtInternal;
    } else {
        *internal = glDesc->glInternal;