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[NFC] Refactoring DXContainerYaml Root Parameter representation #138318
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Merged
joaosaffran
merged 32 commits into
llvm:main
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joaosaffran:refactoring/dxcontainer-yaml
May 27, 2025
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0abacfc
adding support for Root Descriptors
8b8c02a
clean up
7ac9641
addressing comments
c105458
formating
efe76aa
try fix test
a928e9d
addressing comments
a38f10b
refactoring mcdxbc struct to store root parameters out of order
9a7c359
changing name
d6c2b55
changing variant to host pointers
93e4cf2
clean up
b45b1b6
fix
f804a23
fix
44bd13a
making read work
ac51bf6
adding reading logic
97fb003
test pass locally
93e04bd
adding tests
2f6d579
adding more tests
76b1b75
clean up
b2bfb02
refactoring root signature dxcontainer yaml representation
9ee2964
clean up
2527580
fix test
c3a46da
copy test
df194b0
Merge branch 'main' into refactoring/dxcontainer-yaml
0136cfc
fix testing issues
b589d10
clean up
c7042b2
clean up
70a9b7f
addressing PR Comments
f1dd0ce
formating
aabd424
addressing comments
e8ab8f7
addressing commets
bf5e7d3
clean up
ea57253
address pr comments
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Original file line number | Diff line number | Diff line change | ||||||||
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@@ -263,47 +263,55 @@ void DXContainerWriter::writeParts(raw_ostream &OS) { | |||||||||
case dxbc::PartType::Unknown: | ||||||||||
break; // Skip any handling for unrecognized parts. | ||||||||||
case dxbc::PartType::RTS0: | ||||||||||
if (!P.RootSignature.has_value()) | ||||||||||
continue; | ||||||||||
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mcdxbc::RootSignatureDesc RS; | ||||||||||
RS.Flags = P.RootSignature->getEncodedFlags(); | ||||||||||
RS.Version = P.RootSignature->Version; | ||||||||||
RS.RootParameterOffset = P.RootSignature->RootParametersOffset; | ||||||||||
RS.NumStaticSamplers = P.RootSignature->NumStaticSamplers; | ||||||||||
RS.StaticSamplersOffset = P.RootSignature->StaticSamplersOffset; | ||||||||||
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for (const auto &Param : P.RootSignature->Parameters) { | ||||||||||
dxbc::RootParameterHeader Header{Param.Type, Param.Visibility, | ||||||||||
Param.Offset}; | ||||||||||
|
||||||||||
switch (Param.Type) { | ||||||||||
case llvm::to_underlying(dxbc::RootParameterType::Constants32Bit): | ||||||||||
dxbc::RootConstants Constants; | ||||||||||
Constants.Num32BitValues = Param.Constants.Num32BitValues; | ||||||||||
Constants.RegisterSpace = Param.Constants.RegisterSpace; | ||||||||||
Constants.ShaderRegister = Param.Constants.ShaderRegister; | ||||||||||
RS.ParametersContainer.addParameter(Header, Constants); | ||||||||||
break; | ||||||||||
case llvm::to_underlying(dxbc::RootParameterType::SRV): | ||||||||||
case llvm::to_underlying(dxbc::RootParameterType::UAV): | ||||||||||
case llvm::to_underlying(dxbc::RootParameterType::CBV): | ||||||||||
dxbc::RTS0::v2::RootDescriptor Descriptor; | ||||||||||
Descriptor.RegisterSpace = Param.Descriptor.RegisterSpace; | ||||||||||
Descriptor.ShaderRegister = Param.Descriptor.ShaderRegister; | ||||||||||
if (RS.Version > 1) | ||||||||||
Descriptor.Flags = Param.Descriptor.getEncodedFlags(); | ||||||||||
RS.ParametersContainer.addParameter(Header, Descriptor); | ||||||||||
break; | ||||||||||
default: | ||||||||||
// Handling invalid parameter type edge case. We intentionally let | ||||||||||
// obj2yaml/yaml2obj parse and emit invalid dxcontainer data, in order | ||||||||||
// for that to be used as a testing tool more effectively. | ||||||||||
RS.ParametersContainer.addInvalidParameter(Header); | ||||||||||
} | ||||||||||
} | ||||||||||
|
||||||||||
RS.write(OS); | ||||||||||
if (!P.RootSignature.has_value()) | ||||||||||
continue; | ||||||||||
|
||||||||||
mcdxbc::RootSignatureDesc RS; | ||||||||||
RS.Flags = P.RootSignature->getEncodedFlags(); | ||||||||||
RS.Version = P.RootSignature->Version; | ||||||||||
RS.RootParameterOffset = P.RootSignature->RootParametersOffset; | ||||||||||
RS.NumStaticSamplers = P.RootSignature->NumStaticSamplers; | ||||||||||
RS.StaticSamplersOffset = P.RootSignature->StaticSamplersOffset; | ||||||||||
|
||||||||||
for (DXContainerYAML::RootParameterLocationYaml &L : | ||||||||||
P.RootSignature->Parameters.Locations) { | ||||||||||
auto Header = dxbc::RootParameterHeader{ | ||||||||||
L.Header.Type, L.Header.Visibility, L.Header.Offset}; | ||||||||||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. I think this would be clearer.
Suggested change
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switch (L.Header.Type) { | ||||||||||
case llvm::to_underlying(dxbc::RootParameterType::Constants32Bit): { | ||||||||||
DXContainerYAML::RootConstantsYaml ConstantYaml = | ||||||||||
P.RootSignature->Parameters.getOrInsertConstants(L); | ||||||||||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Why make a copy here? This should be a reference. |
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dxbc::RootConstants Constants; | ||||||||||
Constants.Num32BitValues = ConstantYaml.Num32BitValues; | ||||||||||
Constants.RegisterSpace = ConstantYaml.RegisterSpace; | ||||||||||
Constants.ShaderRegister = ConstantYaml.ShaderRegister; | ||||||||||
RS.ParametersContainer.addParameter(Header, Constants); | ||||||||||
break; | ||||||||||
} | ||||||||||
case llvm::to_underlying(dxbc::RootParameterType::CBV): | ||||||||||
case llvm::to_underlying(dxbc::RootParameterType::SRV): | ||||||||||
case llvm::to_underlying(dxbc::RootParameterType::UAV): { | ||||||||||
DXContainerYAML::RootDescriptorYaml DescriptorYaml = | ||||||||||
P.RootSignature->Parameters.getOrInsertDescriptor(L); | ||||||||||
|
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dxbc::RTS0::v2::RootDescriptor Descriptor; | ||||||||||
Descriptor.RegisterSpace = DescriptorYaml.RegisterSpace; | ||||||||||
Descriptor.ShaderRegister = DescriptorYaml.ShaderRegister; | ||||||||||
if (RS.Version > 1) | ||||||||||
Descriptor.Flags = DescriptorYaml.getEncodedFlags(); | ||||||||||
RS.ParametersContainer.addParameter(Header, Descriptor); | ||||||||||
break; | ||||||||||
} | ||||||||||
default: | ||||||||||
// Handling invalid parameter type edge case. We intentionally let | ||||||||||
// obj2yaml/yaml2obj parse and emit invalid dxcontainer data, in order | ||||||||||
// for that to be used as a testing tool more effectively. | ||||||||||
RS.ParametersContainer.addInvalidParameter(Header); | ||||||||||
} | ||||||||||
} | ||||||||||
|
||||||||||
RS.write(OS); | ||||||||||
break; | ||||||||||
} | ||||||||||
uint64_t BytesWritten = OS.tell() - DataStart; | ||||||||||
|
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Looks like a funny whitespace change here, please double check.