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vk_shader_decompiler: Implement OperationCode decompilation interface
This commit is contained in:
ReinUsesLisp
parent
fec4eb9776
commit
b758c861b0
1 changed files with 411 additions and 1 deletions
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@ -30,6 +30,7 @@ using namespace VideoCommon::Shader;
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using Maxwell = Tegra::Engines::Maxwell3D::Regs;
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using ShaderStage = Tegra::Engines::Maxwell3D::Regs::ShaderStage;
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using Operation = const OperationNode&;
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// TODO(Rodrigo): Use rasterizer's value
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constexpr u32 MAX_CONSTBUFFER_ELEMENTS = 0x1000;
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@ -73,6 +74,19 @@ constexpr u32 GetGenericAttributeLocation(Attribute::Index attribute) {
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return static_cast<u32>(attribute) - static_cast<u32>(Attribute::Index::Attribute_0);
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}
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/// Returns true if an object has to be treated as precise
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bool IsPrecise(Operation operand) {
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const auto& meta = operand.GetMeta();
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if (std::holds_alternative<MetaArithmetic>(meta)) {
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return std::get<MetaArithmetic>(meta).precise;
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}
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if (std::holds_alternative<MetaHalfArithmetic>(meta)) {
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return std::get<MetaHalfArithmetic>(meta).precise;
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}
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return false;
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}
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} // namespace
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class SPIRVDecompiler : public Sirit::Module {
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@ -194,6 +208,10 @@ public:
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}
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private:
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using OperationDecompilerFn = Id (SPIRVDecompiler::*)(Operation);
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using OperationDecompilersArray =
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std::array<OperationDecompilerFn, static_cast<std::size_t>(OperationCode::Amount)>;
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static constexpr auto INTERNAL_FLAGS_COUNT = static_cast<std::size_t>(InternalFlag::Amount);
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static constexpr u32 CBUF_STRIDE = 16;
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@ -468,7 +486,12 @@ private:
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Id Visit(Node node) {
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if (const auto operation = std::get_if<OperationNode>(node)) {
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UNIMPLEMENTED();
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const auto operation_index = static_cast<std::size_t>(operation->GetCode());
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const auto decompiler = operation_decompilers[operation_index];
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if (decompiler == nullptr) {
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UNREACHABLE_MSG("Operation decompiler {} not defined", operation_index);
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}
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return (this->*decompiler)(*operation);
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} else if (const auto gpr = std::get_if<GprNode>(node)) {
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UNIMPLEMENTED();
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@ -500,6 +523,184 @@ private:
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return {};
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}
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template <Id (Module::*func)(Id, Id), Type result_type, Type type_a = result_type>
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Id Unary(Operation operation) {
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const Id type_def = GetTypeDefinition(result_type);
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const Id op_a = VisitOperand<type_a>(operation, 0);
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const Id value = BitcastFrom<result_type>(Emit((this->*func)(type_def, op_a)));
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if (IsPrecise(operation)) {
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Decorate(value, spv::Decoration::NoContraction);
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}
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return value;
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}
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template <Id (Module::*func)(Id, Id, Id), Type result_type, Type type_a = result_type,
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Type type_b = type_a>
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Id Binary(Operation operation) {
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const Id type_def = GetTypeDefinition(result_type);
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const Id op_a = VisitOperand<type_a>(operation, 0);
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const Id op_b = VisitOperand<type_b>(operation, 1);
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const Id value = BitcastFrom<result_type>(Emit((this->*func)(type_def, op_a, op_b)));
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if (IsPrecise(operation)) {
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Decorate(value, spv::Decoration::NoContraction);
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}
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return value;
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}
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template <Id (Module::*func)(Id, Id, Id, Id), Type result_type, Type type_a = result_type,
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Type type_b = type_a, Type type_c = type_b>
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Id Ternary(Operation operation) {
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const Id type_def = GetTypeDefinition(result_type);
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const Id op_a = VisitOperand<type_a>(operation, 0);
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const Id op_b = VisitOperand<type_b>(operation, 1);
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const Id op_c = VisitOperand<type_c>(operation, 2);
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const Id value = BitcastFrom<result_type>(Emit((this->*func)(type_def, op_a, op_b, op_c)));
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if (IsPrecise(operation)) {
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Decorate(value, spv::Decoration::NoContraction);
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}
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return value;
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}
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template <Id (Module::*func)(Id, Id, Id, Id, Id), Type result_type, Type type_a = result_type,
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Type type_b = type_a, Type type_c = type_b, Type type_d = type_c>
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Id Quaternary(Operation operation) {
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const Id type_def = GetTypeDefinition(result_type);
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const Id op_a = VisitOperand<type_a>(operation, 0);
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const Id op_b = VisitOperand<type_b>(operation, 1);
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const Id op_c = VisitOperand<type_c>(operation, 2);
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const Id op_d = VisitOperand<type_d>(operation, 3);
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const Id value =
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BitcastFrom<result_type>(Emit((this->*func)(type_def, op_a, op_b, op_c, op_d)));
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if (IsPrecise(operation)) {
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Decorate(value, spv::Decoration::NoContraction);
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}
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return value;
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}
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Id Assign(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id HNegate(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id HMergeF32(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id HMergeH0(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id HMergeH1(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id HPack2(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id LogicalAssign(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id LogicalPick2(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id LogicalAll2(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id LogicalAny2(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id Texture(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id TextureLod(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id TextureGather(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id TextureQueryDimensions(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id TextureQueryLod(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id TexelFetch(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id Branch(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id PushFlowStack(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id PopFlowStack(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id Exit(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id Discard(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id EmitVertex(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id EndPrimitive(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id YNegate(Operation operation) {
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UNIMPLEMENTED();
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return {};
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}
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Id DeclareBuiltIn(spv::BuiltIn builtin, spv::StorageClass storage, Id type,
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const std::string& name) {
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const Id id = OpVariable(type, storage);
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@ -518,6 +719,215 @@ private:
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return false;
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}
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template <Type type>
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Id VisitOperand(Operation operation, std::size_t operand_index) {
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const Id value = Visit(operation[operand_index]);
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switch (type) {
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case Type::Bool:
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case Type::Bool2:
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case Type::Float:
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return value;
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case Type::Int:
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return Emit(OpBitcast(t_int, value));
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case Type::Uint:
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return Emit(OpBitcast(t_uint, value));
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case Type::HalfFloat:
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UNIMPLEMENTED();
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}
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UNREACHABLE();
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return value;
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}
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template <Type type>
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Id BitcastFrom(Id value) {
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switch (type) {
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case Type::Bool:
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case Type::Bool2:
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case Type::Float:
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return value;
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case Type::Int:
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case Type::Uint:
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return Emit(OpBitcast(t_float, value));
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case Type::HalfFloat:
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UNIMPLEMENTED();
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}
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UNREACHABLE();
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return value;
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}
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template <Type type>
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Id BitcastTo(Id value) {
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switch (type) {
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case Type::Bool:
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case Type::Bool2:
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UNREACHABLE();
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case Type::Float:
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return Emit(OpBitcast(t_float, value));
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case Type::Int:
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return Emit(OpBitcast(t_int, value));
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case Type::Uint:
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return Emit(OpBitcast(t_uint, value));
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case Type::HalfFloat:
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UNIMPLEMENTED();
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}
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UNREACHABLE();
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return value;
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}
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Id GetTypeDefinition(Type type) {
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switch (type) {
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case Type::Bool:
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return t_bool;
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case Type::Bool2:
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return t_bool2;
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case Type::Float:
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return t_float;
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case Type::Int:
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return t_int;
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case Type::Uint:
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return t_uint;
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case Type::HalfFloat:
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UNIMPLEMENTED();
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}
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UNREACHABLE();
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return {};
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}
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static constexpr OperationDecompilersArray operation_decompilers = {
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&SPIRVDecompiler::Assign,
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&SPIRVDecompiler::Ternary<&Module::OpSelect, Type::Float, Type::Bool, Type::Float,
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Type::Float>,
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&SPIRVDecompiler::Binary<&Module::OpFAdd, Type::Float>,
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&SPIRVDecompiler::Binary<&Module::OpFMul, Type::Float>,
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&SPIRVDecompiler::Binary<&Module::OpFDiv, Type::Float>,
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&SPIRVDecompiler::Ternary<&Module::OpFma, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpFNegate, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpFAbs, Type::Float>,
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&SPIRVDecompiler::Ternary<&Module::OpFClamp, Type::Float>,
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&SPIRVDecompiler::Binary<&Module::OpFMin, Type::Float>,
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&SPIRVDecompiler::Binary<&Module::OpFMax, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpCos, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpSin, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpExp2, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpLog2, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpInverseSqrt, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpSqrt, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpRoundEven, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpFloor, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpCeil, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpTrunc, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpConvertSToF, Type::Float, Type::Int>,
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&SPIRVDecompiler::Unary<&Module::OpConvertUToF, Type::Float, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpIAdd, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpIMul, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpSDiv, Type::Int>,
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&SPIRVDecompiler::Unary<&Module::OpSNegate, Type::Int>,
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&SPIRVDecompiler::Unary<&Module::OpSAbs, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpSMin, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpSMax, Type::Int>,
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&SPIRVDecompiler::Unary<&Module::OpConvertFToS, Type::Int, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpBitcast, Type::Int, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpShiftLeftLogical, Type::Int, Type::Int, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpShiftRightLogical, Type::Int, Type::Int, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpShiftRightArithmetic, Type::Int, Type::Int, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpBitwiseAnd, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpBitwiseOr, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpBitwiseXor, Type::Int>,
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&SPIRVDecompiler::Unary<&Module::OpNot, Type::Int>,
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&SPIRVDecompiler::Quaternary<&Module::OpBitFieldInsert, Type::Int>,
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&SPIRVDecompiler::Ternary<&Module::OpBitFieldSExtract, Type::Int>,
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&SPIRVDecompiler::Unary<&Module::OpBitCount, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpIAdd, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpIMul, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpUDiv, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpUMin, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpUMax, Type::Uint>,
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&SPIRVDecompiler::Unary<&Module::OpConvertFToU, Type::Uint, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpBitcast, Type::Uint, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpShiftLeftLogical, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpShiftRightLogical, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpShiftRightArithmetic, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpBitwiseAnd, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpBitwiseOr, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpBitwiseXor, Type::Uint>,
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&SPIRVDecompiler::Unary<&Module::OpNot, Type::Uint>,
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&SPIRVDecompiler::Quaternary<&Module::OpBitFieldInsert, Type::Uint>,
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&SPIRVDecompiler::Ternary<&Module::OpBitFieldUExtract, Type::Uint>,
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&SPIRVDecompiler::Unary<&Module::OpBitCount, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpFAdd, Type::HalfFloat>,
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&SPIRVDecompiler::Binary<&Module::OpFMul, Type::HalfFloat>,
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&SPIRVDecompiler::Ternary<&Module::OpFma, Type::HalfFloat>,
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&SPIRVDecompiler::Unary<&Module::OpFAbs, Type::HalfFloat>,
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&SPIRVDecompiler::HNegate,
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&SPIRVDecompiler::HMergeF32,
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&SPIRVDecompiler::HMergeH0,
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&SPIRVDecompiler::HMergeH1,
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&SPIRVDecompiler::HPack2,
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&SPIRVDecompiler::LogicalAssign,
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&SPIRVDecompiler::Binary<&Module::OpLogicalAnd, Type::Bool>,
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&SPIRVDecompiler::Binary<&Module::OpLogicalOr, Type::Bool>,
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&SPIRVDecompiler::Binary<&Module::OpLogicalNotEqual, Type::Bool>,
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&SPIRVDecompiler::Unary<&Module::OpLogicalNot, Type::Bool>,
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&SPIRVDecompiler::LogicalPick2,
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&SPIRVDecompiler::LogicalAll2,
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&SPIRVDecompiler::LogicalAny2,
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&SPIRVDecompiler::Binary<&Module::OpFOrdLessThan, Type::Bool, Type::Float>,
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&SPIRVDecompiler::Binary<&Module::OpFOrdEqual, Type::Bool, Type::Float>,
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&SPIRVDecompiler::Binary<&Module::OpFOrdLessThanEqual, Type::Bool, Type::Float>,
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&SPIRVDecompiler::Binary<&Module::OpFOrdGreaterThan, Type::Bool, Type::Float>,
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&SPIRVDecompiler::Binary<&Module::OpFOrdNotEqual, Type::Bool, Type::Float>,
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&SPIRVDecompiler::Binary<&Module::OpFOrdGreaterThanEqual, Type::Bool, Type::Float>,
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&SPIRVDecompiler::Unary<&Module::OpIsNan, Type::Bool>,
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&SPIRVDecompiler::Binary<&Module::OpSLessThan, Type::Bool, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpIEqual, Type::Bool, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpSLessThanEqual, Type::Bool, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpSGreaterThan, Type::Bool, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpINotEqual, Type::Bool, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpSGreaterThanEqual, Type::Bool, Type::Int>,
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&SPIRVDecompiler::Binary<&Module::OpULessThan, Type::Bool, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpIEqual, Type::Bool, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpULessThanEqual, Type::Bool, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpUGreaterThan, Type::Bool, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpINotEqual, Type::Bool, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpUGreaterThanEqual, Type::Bool, Type::Uint>,
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&SPIRVDecompiler::Binary<&Module::OpFOrdLessThan, Type::Bool, Type::HalfFloat>,
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&SPIRVDecompiler::Binary<&Module::OpFOrdEqual, Type::Bool, Type::HalfFloat>,
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&SPIRVDecompiler::Binary<&Module::OpFOrdLessThanEqual, Type::Bool, Type::HalfFloat>,
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&SPIRVDecompiler::Binary<&Module::OpFOrdGreaterThan, Type::Bool, Type::HalfFloat>,
|
||||
&SPIRVDecompiler::Binary<&Module::OpFOrdNotEqual, Type::Bool, Type::HalfFloat>,
|
||||
&SPIRVDecompiler::Binary<&Module::OpFOrdGreaterThanEqual, Type::Bool, Type::HalfFloat>,
|
||||
|
||||
&SPIRVDecompiler::Texture,
|
||||
&SPIRVDecompiler::TextureLod,
|
||||
&SPIRVDecompiler::TextureGather,
|
||||
&SPIRVDecompiler::TextureQueryDimensions,
|
||||
&SPIRVDecompiler::TextureQueryLod,
|
||||
&SPIRVDecompiler::TexelFetch,
|
||||
|
||||
&SPIRVDecompiler::Branch,
|
||||
&SPIRVDecompiler::PushFlowStack,
|
||||
&SPIRVDecompiler::PopFlowStack,
|
||||
&SPIRVDecompiler::Exit,
|
||||
&SPIRVDecompiler::Discard,
|
||||
|
||||
&SPIRVDecompiler::EmitVertex,
|
||||
&SPIRVDecompiler::EndPrimitive,
|
||||
|
||||
&SPIRVDecompiler::YNegate,
|
||||
};
|
||||
|
||||
const ShaderIR& ir;
|
||||
const ShaderStage stage;
|
||||
const Tegra::Shader::Header header;
|
||||
|
|
|
|||
Loading…
Reference in a new issue