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[d3d11] Fix hasing of geometry shaders with stream output

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The xfb struct contains pointers, but we should hash the
strings instead, otherwise the hash changes between runs.
This commit is contained in:
Philip Rebohle 2019-04-15 03:09:31 +02:00
parent ca717eeb62
commit f9e56c97cf
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1 changed files with 14 additions and 3 deletions
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17
src/d3d11/d3d11_device.cpp
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@ -676,11 +676,22 @@ namespace dxvk {
// Compute hash from both the xfb info and the source
// code, because both influence the generated code
std::array<Sha1Data, 2> chunks = {{
{ pShaderBytecode, BytecodeLength },
{ &xfb, sizeof(xfb) },
DxbcXfbInfo hashXfb = xfb;
std::vector<Sha1Data> chunks = {{
{ pShaderBytecode, BytecodeLength },
{ &hashXfb, sizeof(hashXfb) },
}};
for (uint32_t i = 0; i < hashXfb.entryCount; i++) {
const char* semantic = hashXfb.entries[i].semanticName;
if (semantic) {
chunks.push_back({ semantic, std::strlen(semantic) });
hashXfb.entries[i].semanticName = nullptr;
}
}
Sha1Hash hash = Sha1Hash::compute(chunks.size(), chunks.data());
// Create the actual shader module