llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-hlsl Author: Finn Plummer (inbelic) <details> <summary>Changes</summary> - Implements serialization of the currently completely defined `RootElement`s, namely `RootConstants` and `RootFlags` - Adds unit testing for the serialization methods Resolves: https://github.com/llvm/llvm-project/issues/138190 and https://github.com/llvm/llvm-project/issues/138192 --- Full diff: https://github.com/llvm/llvm-project/pull/141130.diff 3 Files Affected: - (modified) llvm/include/llvm/Frontend/HLSL/HLSLRootSignature.h (+4) - (modified) llvm/lib/Frontend/HLSL/HLSLRootSignature.cpp (+73) - (modified) llvm/unittests/Frontend/HLSLRootSignatureDumpTest.cpp (+69) ``````````diff diff --git a/llvm/include/llvm/Frontend/HLSL/HLSLRootSignature.h b/llvm/include/llvm/Frontend/HLSL/HLSLRootSignature.h index 7e7eeec0deb52..dbf7adf660012 100644 --- a/llvm/include/llvm/Frontend/HLSL/HLSLRootSignature.h +++ b/llvm/include/llvm/Frontend/HLSL/HLSLRootSignature.h @@ -46,6 +46,8 @@ enum class RootFlags : uint32_t { ValidFlags = 0x00000fff }; +raw_ostream &operator<<(raw_ostream &OS, const RootFlags &Flags); + enum class DescriptorRangeFlags : unsigned { None = 0, DescriptorsVolatile = 0x1, @@ -85,6 +87,8 @@ struct RootConstants { ShaderVisibility Visibility = ShaderVisibility::All; }; +raw_ostream &operator<<(raw_ostream &OS, const RootConstants &Constants); + using DescriptorType = llvm::dxil::ResourceClass; // Models RootDescriptor : CBV | SRV | UAV, by collecting like parameters struct RootDescriptor { diff --git a/llvm/lib/Frontend/HLSL/HLSLRootSignature.cpp b/llvm/lib/Frontend/HLSL/HLSLRootSignature.cpp index ec0d130a6767c..6e0e0cdcd5946 100644 --- a/llvm/lib/Frontend/HLSL/HLSLRootSignature.cpp +++ b/llvm/lib/Frontend/HLSL/HLSLRootSignature.cpp @@ -132,6 +132,79 @@ static raw_ostream &operator<<(raw_ostream &OS, return OS; } +raw_ostream &operator<<(raw_ostream &OS, const RootFlags &Flags) { + OS << "RootFlags("; + bool FlagSet = false; + unsigned Remaining = llvm::to_underlying(Flags); + while (Remaining) { + unsigned Bit = 1u << llvm::countr_zero(Remaining); + if (Remaining & Bit) { + if (FlagSet) + OS << " | "; + + switch (static_cast<RootFlags>(Bit)) { + case RootFlags::AllowInputAssemblerInputLayout: + OS << "AllowInputAssemblerInputLayout"; + break; + case RootFlags::DenyVertexShaderRootAccess: + OS << "DenyVertexShaderRootAccess"; + break; + case RootFlags::DenyHullShaderRootAccess: + OS << "DenyHullShaderRootAccess"; + break; + case RootFlags::DenyDomainShaderRootAccess: + OS << "DenyDomainShaderRootAccess"; + break; + case RootFlags::DenyGeometryShaderRootAccess: + OS << "DenyGeometryShaderRootAccess"; + break; + case RootFlags::DenyPixelShaderRootAccess: + OS << "DenyPixelShaderRootAccess"; + break; + case RootFlags::AllowStreamOutput: + OS << "AllowStreamOutput"; + break; + case RootFlags::LocalRootSignature: + OS << "LocalRootSignature"; + break; + case RootFlags::DenyAmplificationShaderRootAccess: + OS << "DenyAmplificationShaderRootAccess"; + break; + case RootFlags::DenyMeshShaderRootAccess: + OS << "DenyMeshShaderRootAccess"; + break; + case RootFlags::CBVSRVUAVHeapDirectlyIndexed: + OS << "CBVSRVUAVHeapDirectlyIndexed"; + break; + case RootFlags::SamplerHeapDirectlyIndexed: + OS << "SamplerHeapDirectlyIndexed"; + break; + default: + OS << "invalid: " << Bit; + break; + } + + FlagSet = true; + } + Remaining &= ~Bit; + } + + if (!FlagSet) + OS << "None"; + + OS << ")"; + + return OS; +} + +raw_ostream &operator<<(raw_ostream &OS, const RootConstants &Constants) { + OS << "RootConstants(num32BitConstants = " << Constants.Num32BitConstants + << ", " << Constants.Reg << ", space = " << Constants.Space + << ", visibility = " << Constants.Visibility << ")"; + + return OS; +} + raw_ostream &operator<<(raw_ostream &OS, const DescriptorTable &Table) { OS << "DescriptorTable(numClauses = " << Table.NumClauses << ", visibility = " << Table.Visibility << ")"; diff --git a/llvm/unittests/Frontend/HLSLRootSignatureDumpTest.cpp b/llvm/unittests/Frontend/HLSLRootSignatureDumpTest.cpp index 3f92fa0f05794..8597ed78b4fbb 100644 --- a/llvm/unittests/Frontend/HLSLRootSignatureDumpTest.cpp +++ b/llvm/unittests/Frontend/HLSLRootSignatureDumpTest.cpp @@ -108,4 +108,73 @@ TEST(HLSLRootSignatureTest, DescriptorTableDump) { EXPECT_EQ(Out, Expected); } +TEST(HLSLRootSignatureTest, DefaultRootConstantsDump) { + RootConstants Constants; + Constants.Num32BitConstants = 1; + Constants.Reg = {RegisterType::BReg, 3}; + + std::string Out; + llvm::raw_string_ostream OS(Out); + OS << Constants; + OS.flush(); + + std::string Expected = "RootConstants(num32BitConstants = 1, b3, space = 0, " + "visibility = All)"; + EXPECT_EQ(Out, Expected); +} + +TEST(HLSLRootSignatureTest, SetRootConstantsDump) { + RootConstants Constants; + Constants.Num32BitConstants = 983; + Constants.Reg = {RegisterType::BReg, 34593}; + Constants.Space = 7; + Constants.Visibility = ShaderVisibility::Pixel; + + std::string Out; + llvm::raw_string_ostream OS(Out); + OS << Constants; + OS.flush(); + + std::string Expected = "RootConstants(num32BitConstants = 983, b34593, " + "space = 7, visibility = Pixel)"; + EXPECT_EQ(Out, Expected); +} + +TEST(HLSLRootSignatureTest, NoneRootFlagsDump) { + RootFlags Flags = RootFlags::None; + + std::string Out; + llvm::raw_string_ostream OS(Out); + OS << Flags; + OS.flush(); + + std::string Expected = "RootFlags(None)"; + EXPECT_EQ(Out, Expected); +} + +TEST(HLSLRootSignatureTest, AllRootFlagsDump) { + RootFlags Flags = RootFlags::ValidFlags; + + std::string Out; + llvm::raw_string_ostream OS(Out); + OS << Flags; + OS.flush(); + + std::string Expected = "RootFlags(" + "AllowInputAssemblerInputLayout | " + "DenyVertexShaderRootAccess | " + "DenyHullShaderRootAccess | " + "DenyDomainShaderRootAccess | " + "DenyGeometryShaderRootAccess | " + "DenyPixelShaderRootAccess | " + "AllowStreamOutput | " + "LocalRootSignature | " + "DenyAmplificationShaderRootAccess | " + "DenyMeshShaderRootAccess | " + "CBVSRVUAVHeapDirectlyIndexed | " + "SamplerHeapDirectlyIndexed)"; + + EXPECT_EQ(Out, Expected); +} + } // namespace `````````` </details> https://github.com/llvm/llvm-project/pull/141130 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits