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Merge pull request #349 from michaelrgb/master

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ConstantBuffers must be <= 65536 on some drivers, and 16-byte aligned.
This commit is contained in:
Baldur Karlsson
2016-09-09 17:22:56 +02:00
committed by GitHub
parent 208338b7b2 81b75ebb74
commit aba0bbc1ea
1 changed files with 9 additions and 3 deletions
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renderdoc/driver/d3d11/d3d11_replay.cpp
+9 -3
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@@ -1852,11 +1852,13 @@ ResourceId D3D11Replay::CreateProxyBuffer(const FetchBuffer &templateBuf)
ID3D11Buffer *throwaway = NULL;
D3D11_BUFFER_DESC desc;
desc.ByteWidth = (UINT)templateBuf.length;
// D3D11_BIND_CONSTANT_BUFFER size must be 16-byte aligned.
desc.ByteWidth = AlignUp((UINT)templateBuf.length, 16u);
desc.CPUAccessFlags = 0;
desc.MiscFlags = 0;
desc.Usage = D3D11_USAGE_DEFAULT;
desc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
desc.StructureByteStride = 0;
if(templateBuf.creationFlags & eBufferCreate_Indirect)
{
@@ -1865,8 +1867,12 @@ ResourceId D3D11Replay::CreateProxyBuffer(const FetchBuffer &templateBuf)
}
if(templateBuf.creationFlags & eBufferCreate_IB)
desc.BindFlags = D3D11_BIND_INDEX_BUFFER;
if(templateBuf.creationFlags & eBufferCreate_CB)
desc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
// D3D11_BIND_CONSTANT_BUFFER size must be <= 65536 on some drivers.
if(desc.ByteWidth <= D3D11_REQ_CONSTANT_BUFFER_ELEMENT_COUNT * 16)
{
if(templateBuf.creationFlags & eBufferCreate_CB)
desc.BindFlags = D3D11_BIND_CONSTANT_BUFFER;
}
if(templateBuf.creationFlags & eBufferCreate_UAV)
desc.BindFlags = D3D11_BIND_UNORDERED_ACCESS | D3D11_BIND_SHADER_RESOURCE;