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Fetch compute thread dimension from dx.entrypoint metadata

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baldurk
2020-06-09 18:28:11 +01:00
parent 77d60b72da
commit 5a976e55ea
1 changed files with 38 additions and 1 deletions
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renderdoc/driver/shaders/dxil/dxil_bytecode.cpp
+38 -1
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@@ -51,6 +51,15 @@ struct ProgramHeader
uint32_t BitcodeSize; // Size of LLVM bitcode.
};
enum class ShaderTag
{
ShaderFlags = 0,
Geometry = 1,
Domain = 2,
Hull = 3,
Compute = 4,
};
enum class KnownBlocks : uint32_t
{
BLOCKINFO = 0,
@@ -1910,7 +1919,35 @@ Program::Program(const byte *bytes, size_t length)
void Program::FetchComputeProperties(DXBC::Reflection *reflection)
{
RDCERR("Unimplemented DXIL::Program::FetchComputeProperties()");
for(size_t i = 0; i < m_NamedMeta.size(); i++)
{
if(m_NamedMeta[i].name == "dx.entryPoints")
{
// expect only one child for this, DX doesn't support multiple entry points for compute
// shaders
RDCASSERTEQUAL(m_NamedMeta[i].children.size(), 1);
Metadata &entry = *m_NamedMeta[i].children[0];
RDCASSERTEQUAL(entry.children.size(), 5);
Metadata &tags = *entry.children[4];
for(size_t t = 0; t < tags.children.size(); t += 2)
{
RDCASSERT(tags.children[t]->value);
if(ShaderTag(tags.children[t]->val->val.uv[0]) == ShaderTag::Compute)
{
Metadata &threadDim = *tags.children[t + 1];
RDCASSERTEQUAL(threadDim.children.size(), 3);
reflection->DispatchThreadsDimension[0] = threadDim.children[0]->val->val.uv[0];
reflection->DispatchThreadsDimension[1] = threadDim.children[1]->val->val.uv[0];
reflection->DispatchThreadsDimension[2] = threadDim.children[2]->val->val.uv[0];
return;
}
}
break;
}
}
RDCERR("Couldn't find thread dimension tag in shader");
reflection->DispatchThreadsDimension[0] = 1;
reflection->DispatchThreadsDimension[1] = 1;
reflection->DispatchThreadsDimension[2] = 1;