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[d3d11] Fix optional write issue in GetData()

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Philip Rebohle 2018-02-07 12:35:40 +01:00
parent a473c914f4
commit 61ce7022e2
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1 changed files with 5 additions and 0 deletions
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src/d3d11/d3d11_context.cpp
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@ -164,6 +164,11 @@ namespace dxvk {
void* pData, void* pData,
UINT DataSize, UINT DataSize,
UINT GetDataFlags) { UINT GetDataFlags) {
// Make sure that we can safely write to the memory
// location pointed to by pData if it is specified.
if (DataSize == 0)
pData = nullptr;
if (pData != nullptr && pAsync->GetDataSize() != DataSize) { if (pData != nullptr && pAsync->GetDataSize() != DataSize) {
Logger::err(str::format("D3D11DeviceContext: GetData: Data size mismatch: ", pAsync->GetDataSize(), ",", DataSize)); Logger::err(str::format("D3D11DeviceContext: GetData: Data size mismatch: ", pAsync->GetDataSize(), ",", DataSize));
return E_INVALIDARG; return E_INVALIDARG;