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Workaround for nvidia driver bug - demote IMMUTABLE buffers to DEFAULT

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baldurk
2017-02-20 22:15:41 +00:00
parent f98be940ad
commit 4b60073e81
1 changed files with 11 additions and 0 deletions
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renderdoc/driver/d3d11/d3d11_device_wrap.cpp
+11
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@@ -49,6 +49,17 @@ bool WrappedID3D11Device::Serialise_CreateBuffer(const D3D11_BUFFER_DESC *pDesc,
if(m_State >= WRITING || GetLogVersion() >= 0x000007)
m_pSerialiser->AlignNextBuffer(32);
// work around an nvidia driver bug, if a buffer is created as IMMUTABLE then it
// can't be CopySubresourceRegion'd with a box offset, the data that's read is
// wrong.
if(m_State < WRITING && Descriptor.Usage == D3D11_USAGE_IMMUTABLE)
{
Descriptor.Usage = D3D11_USAGE_DEFAULT;
// paranoid - I don't know what requirements might change, so set some sane default
if(Descriptor.BindFlags == 0)
Descriptor.BindFlags = D3D11_BIND_VERTEX_BUFFER;
}
SERIALISE_ELEMENT_BUF(byte *, InitialData, pInitialData->pSysMem, Descriptor.ByteWidth);
uint64_t offs = m_pSerialiser->GetOffset() - Descriptor.ByteWidth;