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[d3d9] StretchRect: Allow using an offscreen surface as dst when stretching

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This commit is contained in:
Robin Kertels 2024-07-09 14:32:44 +02:00 committed by Joshie
parent cc87870be1
commit d456d0b437
1 changed files with 5 additions and 3 deletions
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8
src/d3d9/d3d9_device.cpp
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@ -1245,6 +1245,7 @@ namespace dxvk {
bool stretch = srcCopyExtent != dstCopyExtent;
bool dstHasRTUsage = (dstTextureInfo->Desc()->Usage & (D3DUSAGE_RENDERTARGET | D3DUSAGE_DEPTHSTENCIL)) != 0;
bool dstIsSurface = dstTextureInfo->GetType() == D3DRTYPE_SURFACE;
if (stretch) {
if (unlikely(pSourceSurface == pDestSurface))
return D3DERR_INVALIDCALL;
@ -1252,12 +1253,13 @@ namespace dxvk {
if (unlikely(dstIsDepth))
return D3DERR_INVALIDCALL;
// Stretching is only allowed if the destination is either a render target surface or a render target texture
if (unlikely(!dstHasRTUsage))
// The docs say that stretching is only allowed if the destination is either a render target surface or a render target texture.
// However in practice, using an offscreen plain surface in D3DPOOL_DEFAULT as the destination works fine.
// Using a texture without USAGE_RENDERTARGET as destination however does not.
if (unlikely(!dstIsSurface && !dstHasRTUsage))
return D3DERR_INVALIDCALL;
} else {
bool srcIsSurface = srcTextureInfo->GetType() == D3DRTYPE_SURFACE;
bool dstIsSurface = dstTextureInfo->GetType() == D3DRTYPE_SURFACE;
bool srcHasRTUsage = (srcTextureInfo->Desc()->Usage & (D3DUSAGE_RENDERTARGET | D3DUSAGE_DEPTHSTENCIL)) != 0;
// Non-stretching copies are only allowed if:
// - the destination is either a render target surface or a render target texture