| // Copyright 2020 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <memory> |
| |
| #include "gtest/gtest.h" |
| #include "src/ast/binding_decoration.h" |
| #include "src/ast/bool_literal.h" |
| #include "src/ast/builtin.h" |
| #include "src/ast/builtin_decoration.h" |
| #include "src/ast/constant_id_decoration.h" |
| #include "src/ast/float_literal.h" |
| #include "src/ast/location_decoration.h" |
| #include "src/ast/module.h" |
| #include "src/ast/scalar_constructor_expression.h" |
| #include "src/ast/set_decoration.h" |
| #include "src/ast/storage_class.h" |
| #include "src/ast/struct.h" |
| #include "src/ast/type/access_control_type.h" |
| #include "src/ast/type/bool_type.h" |
| #include "src/ast/type/f32_type.h" |
| #include "src/ast/type/i32_type.h" |
| #include "src/ast/type/struct_type.h" |
| #include "src/ast/type/u32_type.h" |
| #include "src/ast/type/vector_type.h" |
| #include "src/ast/type_constructor_expression.h" |
| #include "src/ast/variable.h" |
| #include "src/ast/variable_decoration.h" |
| #include "src/type_determiner.h" |
| #include "src/writer/spirv/builder.h" |
| #include "src/writer/spirv/spv_dump.h" |
| #include "src/writer/spirv/test_helper.h" |
| |
| namespace tint { |
| namespace writer { |
| namespace spirv { |
| namespace { |
| |
| using BuilderTest = TestHelper; |
| |
| TEST_F(BuilderTest, GlobalVar_NoStorageClass) { |
| auto* v = Var("var", ast::StorageClass::kNone, ty.f32); |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Private %3 |
| %4 = OpConstantNull %3 |
| %1 = OpVariable %2 Private %4 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_WithStorageClass) { |
| auto* v = Var("var", ast::StorageClass::kOutput, ty.f32); |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Output %3 |
| %4 = OpConstantNull %3 |
| %1 = OpVariable %2 Output %4 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_WithStorageClass_Input) { |
| auto* v = Var("var", ast::StorageClass::kInput, ty.f32); |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Input %3 |
| %1 = OpVariable %2 Input |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_WithConstructor) { |
| auto* init = vec3<f32>(1.f, 1.f, 3.f); |
| EXPECT_TRUE(td.DetermineResultType(init)) << td.error(); |
| |
| auto* v = Var("var", ast::StorageClass::kOutput, ty.f32, init, |
| ast::VariableDecorationList{}); |
| td.RegisterVariableForTesting(v); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| ASSERT_FALSE(b.has_error()) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %6 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32 |
| %1 = OpTypeVector %2 3 |
| %3 = OpConstant %2 1 |
| %4 = OpConstant %2 3 |
| %5 = OpConstantComposite %1 %3 %3 %4 |
| %7 = OpTypePointer Output %2 |
| %6 = OpVariable %7 Output %5 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_Const) { |
| auto* init = vec3<f32>(1.f, 1.f, 3.f); |
| EXPECT_TRUE(td.DetermineResultType(init)) << td.error(); |
| |
| auto* v = Const("var", ast::StorageClass::kOutput, ty.f32, init, |
| ast::VariableDecorationList{}); |
| td.RegisterVariableForTesting(v); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| ASSERT_FALSE(b.has_error()) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %5 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32 |
| %1 = OpTypeVector %2 3 |
| %3 = OpConstant %2 1 |
| %4 = OpConstant %2 3 |
| %5 = OpConstantComposite %1 %3 %3 %4 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_Complex_Constructor) { |
| auto* init = vec3<f32>(ast::ExpressionList{Expr(1.f), Expr(2.f), Expr(3.f)}); |
| EXPECT_TRUE(td.DetermineResultType(init)) << td.error(); |
| |
| auto* v = Const("var", ast::StorageClass::kOutput, ty.f32, init, |
| ast::VariableDecorationList{}); |
| td.RegisterVariableForTesting(v); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| ASSERT_FALSE(b.has_error()) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32 |
| %1 = OpTypeVector %2 3 |
| %3 = OpConstant %2 1 |
| %4 = OpConstant %2 2 |
| %5 = OpConstant %2 3 |
| %6 = OpConstantComposite %1 %3 %4 %5 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_Complex_ConstructorWithExtract) { |
| auto* init = vec3<f32>(vec2<f32>(1.f, 2.f), 3.f); |
| |
| EXPECT_TRUE(td.DetermineResultType(init)) << td.error(); |
| |
| auto* v = Const("var", ast::StorageClass::kOutput, ty.f32, init, |
| ast::VariableDecorationList{}); |
| td.RegisterVariableForTesting(v); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| ASSERT_FALSE(b.has_error()) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeFloat 32 |
| %1 = OpTypeVector %2 3 |
| %3 = OpTypeVector %2 2 |
| %4 = OpConstant %2 1 |
| %5 = OpConstant %2 2 |
| %6 = OpConstantComposite %3 %4 %5 |
| %8 = OpTypeInt 32 0 |
| %9 = OpConstant %8 0 |
| %7 = OpSpecConstantOp %2 CompositeExtract %6 9 |
| %11 = OpConstant %8 1 |
| %10 = OpSpecConstantOp %2 CompositeExtract %6 11 |
| %12 = OpConstant %2 3 |
| %13 = OpSpecConstantComposite %1 %7 %10 %12 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_WithLocation) { |
| auto* v = Var("var", ast::StorageClass::kOutput, ty.f32, nullptr, |
| ast::VariableDecorationList{ |
| create<ast::LocationDecoration>(5), |
| }); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %1 Location 5 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Output %3 |
| %4 = OpConstantNull %3 |
| %1 = OpVariable %2 Output %4 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_WithBindingAndSet) { |
| auto* v = Var("var", ast::StorageClass::kOutput, ty.f32, nullptr, |
| ast::VariableDecorationList{ |
| create<ast::BindingDecoration>(2), |
| create<ast::SetDecoration>(3), |
| }); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %1 Binding 2 |
| OpDecorate %1 DescriptorSet 3 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Output %3 |
| %4 = OpConstantNull %3 |
| %1 = OpVariable %2 Output %4 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_WithBuiltin) { |
| auto* v = Var("var", ast::StorageClass::kOutput, ty.f32, nullptr, |
| ast::VariableDecorationList{ |
| create<ast::BuiltinDecoration>(ast::Builtin::kPosition), |
| }); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %1 BuiltIn Position |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Output %3 |
| %4 = OpConstantNull %3 |
| %1 = OpVariable %2 Output %4 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_ConstantId_Bool) { |
| auto* v = Var("var", ast::StorageClass::kNone, ty.bool_, Expr(true), |
| ast::VariableDecorationList{ |
| create<ast::ConstantIdDecoration>(1200), |
| }); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %3 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %2 SpecId 1200 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%1 = OpTypeBool |
| %2 = OpSpecConstantTrue %1 |
| %4 = OpTypePointer Private %1 |
| %3 = OpVariable %4 Private %2 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_ConstantId_Bool_NoConstructor) { |
| auto* v = Var("var", ast::StorageClass::kNone, ty.bool_, nullptr, |
| ast::VariableDecorationList{ |
| create<ast::ConstantIdDecoration>(1200), |
| }); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %4 SpecId 1200 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeBool |
| %2 = OpTypePointer Private %3 |
| %4 = OpSpecConstantFalse %3 |
| %1 = OpVariable %2 Private %4 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_ConstantId_Scalar) { |
| auto* v = Var("var", ast::StorageClass::kNone, ty.f32, Expr(2.f), |
| ast::VariableDecorationList{ |
| create<ast::ConstantIdDecoration>(0), |
| }); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %3 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %2 SpecId 0 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%1 = OpTypeFloat 32 |
| %2 = OpSpecConstant %1 2 |
| %4 = OpTypePointer Private %1 |
| %3 = OpVariable %4 Private %2 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_ConstantId_Scalar_F32_NoConstructor) { |
| auto* v = Var("var", ast::StorageClass::kNone, ty.f32, nullptr, |
| ast::VariableDecorationList{ |
| create<ast::ConstantIdDecoration>(0), |
| }); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %4 SpecId 0 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeFloat 32 |
| %2 = OpTypePointer Private %3 |
| %4 = OpSpecConstant %3 0 |
| %1 = OpVariable %2 Private %4 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_ConstantId_Scalar_I32_NoConstructor) { |
| auto* v = Var("var", ast::StorageClass::kNone, ty.i32, nullptr, |
| ast::VariableDecorationList{ |
| create<ast::ConstantIdDecoration>(0), |
| }); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %4 SpecId 0 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeInt 32 1 |
| %2 = OpTypePointer Private %3 |
| %4 = OpSpecConstant %3 0 |
| %1 = OpVariable %2 Private %4 |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_ConstantId_Scalar_U32_NoConstructor) { |
| auto* v = Var("var", ast::StorageClass::kNone, ty.u32, nullptr, |
| ast::VariableDecorationList{ |
| create<ast::ConstantIdDecoration>(0), |
| }); |
| |
| EXPECT_TRUE(b.GenerateGlobalVariable(v)) << b.error(); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %1 "test_var" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %4 SpecId 0 |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%3 = OpTypeInt 32 0 |
| %2 = OpTypePointer Private %3 |
| %4 = OpSpecConstant %3 0 |
| %1 = OpVariable %2 Private %4 |
| )"); |
| } |
| |
| struct BuiltinData { |
| ast::Builtin builtin; |
| SpvBuiltIn result; |
| }; |
| inline std::ostream& operator<<(std::ostream& out, BuiltinData data) { |
| out << data.builtin; |
| return out; |
| } |
| using BuiltinDataTest = TestParamHelper<BuiltinData>; |
| TEST_P(BuiltinDataTest, Convert) { |
| auto params = GetParam(); |
| EXPECT_EQ(b.ConvertBuiltin(params.builtin), params.result); |
| } |
| INSTANTIATE_TEST_SUITE_P( |
| BuilderTest_Type, |
| BuiltinDataTest, |
| testing::Values( |
| BuiltinData{ast::Builtin::kNone, SpvBuiltInMax}, |
| BuiltinData{ast::Builtin::kPosition, SpvBuiltInPosition}, |
| BuiltinData{ |
| ast::Builtin::kVertexIdx, |
| SpvBuiltInVertexIndex, |
| }, |
| BuiltinData{ast::Builtin::kInstanceIdx, SpvBuiltInInstanceIndex}, |
| BuiltinData{ast::Builtin::kFrontFacing, SpvBuiltInFrontFacing}, |
| BuiltinData{ast::Builtin::kFragCoord, SpvBuiltInFragCoord}, |
| BuiltinData{ast::Builtin::kFragDepth, SpvBuiltInFragDepth}, |
| BuiltinData{ast::Builtin::kLocalInvocationId, |
| SpvBuiltInLocalInvocationId}, |
| BuiltinData{ast::Builtin::kLocalInvocationIdx, |
| SpvBuiltInLocalInvocationIndex}, |
| BuiltinData{ast::Builtin::kGlobalInvocationId, |
| SpvBuiltInGlobalInvocationId})); |
| |
| TEST_F(BuilderTest, GlobalVar_DeclReadOnly) { |
| // struct A { |
| // a : i32; |
| // }; |
| // var b : [[access(read)]] A |
| |
| auto* A = ty.struct_( |
| "A", create<ast::Struct>( |
| ast::StructMemberList{Member("a", ty.i32), Member("b", ty.i32)}, |
| ast::StructDecorationList{})); |
| ast::type::AccessControl ac{ast::AccessControl::kReadOnly, A}; |
| |
| auto* var = Var("b", ast::StorageClass::kStorageBuffer, &ac); |
| EXPECT_TRUE(b.GenerateGlobalVariable(var)) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpMemberDecorate %3 0 NonWritable |
| OpMemberDecorate %3 1 NonWritable |
| )"); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %3 "test_A" |
| OpMemberName %3 0 "test_a" |
| OpMemberName %3 1 "test_b" |
| OpName %1 "test_b" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 1 |
| %3 = OpTypeStruct %4 %4 |
| %2 = OpTypePointer StorageBuffer %3 |
| %1 = OpVariable %2 StorageBuffer |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_TypeAliasDeclReadOnly) { |
| // struct A { |
| // a : i32; |
| // }; |
| // type B = A; |
| // var b : [[access(read)]] B |
| |
| auto* A = ty.struct_( |
| "A", create<ast::Struct>(ast::StructMemberList{Member("a", ty.i32)}, |
| ast::StructDecorationList{})); |
| auto* B = ty.alias("B", A); |
| ast::type::AccessControl ac{ast::AccessControl::kReadOnly, B}; |
| auto* var = Var("b", ast::StorageClass::kStorageBuffer, &ac); |
| EXPECT_TRUE(b.GenerateGlobalVariable(var)) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpMemberDecorate %3 0 NonWritable |
| )"); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %3 "test_A" |
| OpMemberName %3 0 "test_a" |
| OpName %1 "test_b" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 1 |
| %3 = OpTypeStruct %4 |
| %2 = OpTypePointer StorageBuffer %3 |
| %1 = OpVariable %2 StorageBuffer |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_TypeAliasAssignReadOnly) { |
| // struct A { |
| // a : i32; |
| // }; |
| // type B = [[access(read)]] A; |
| // var b : B |
| |
| auto* A = ty.struct_( |
| "A", create<ast::Struct>(ast::StructMemberList{Member("a", ty.i32)}, |
| ast::StructDecorationList{})); |
| ast::type::AccessControl ac{ast::AccessControl::kReadOnly, A}; |
| auto* B = ty.alias("B", &ac); |
| auto* var = Var("b", ast::StorageClass::kStorageBuffer, B); |
| EXPECT_TRUE(b.GenerateGlobalVariable(var)) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpMemberDecorate %3 0 NonWritable |
| )"); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %3 "test_A" |
| OpMemberName %3 0 "test_a" |
| OpName %1 "test_b" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 1 |
| %3 = OpTypeStruct %4 |
| %2 = OpTypePointer StorageBuffer %3 |
| %1 = OpVariable %2 StorageBuffer |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_TwoVarDeclReadOnly) { |
| // struct A { |
| // a : i32; |
| // }; |
| // var b : [[access(read)]] A |
| // var c : [[access(read_write)]] A |
| |
| auto* A = ty.struct_( |
| "A", create<ast::Struct>(ast::StructMemberList{Member("a", ty.i32)}, |
| ast::StructDecorationList{})); |
| ast::type::AccessControl read{ast::AccessControl::kReadOnly, A}; |
| ast::type::AccessControl rw{ast::AccessControl::kReadWrite, A}; |
| |
| auto* var_b = Var("b", ast::StorageClass::kStorageBuffer, &read); |
| auto* var_c = Var("c", ast::StorageClass::kStorageBuffer, &rw); |
| EXPECT_TRUE(b.GenerateGlobalVariable(var_b)) << b.error(); |
| EXPECT_TRUE(b.GenerateGlobalVariable(var_c)) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpMemberDecorate %3 0 NonWritable |
| )"); |
| EXPECT_EQ(DumpInstructions(b.debug()), R"(OpName %3 "test_A" |
| OpMemberName %3 0 "test_a" |
| OpName %1 "test_b" |
| OpName %7 "test_A" |
| OpMemberName %7 0 "test_a" |
| OpName %5 "test_c" |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 1 |
| %3 = OpTypeStruct %4 |
| %2 = OpTypePointer StorageBuffer %3 |
| %1 = OpVariable %2 StorageBuffer |
| %7 = OpTypeStruct %4 |
| %6 = OpTypePointer StorageBuffer %7 |
| %5 = OpVariable %6 StorageBuffer |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_TextureStorageReadOnly) { |
| // var<uniform_constant> a : texture_storage_ro_2d<r32uint>; |
| |
| ast::type::StorageTexture type(ast::type::TextureDimension::k2d, |
| ast::AccessControl::kReadOnly, |
| ast::type::ImageFormat::kR32Uint); |
| ASSERT_TRUE(td.DetermineStorageTextureSubtype(&type)) << td.error(); |
| |
| auto* var_a = Var("a", ast::StorageClass::kUniformConstant, &type); |
| EXPECT_TRUE(b.GenerateGlobalVariable(var_a)) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %1 NonWritable |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 0 |
| %3 = OpTypeImage %4 2D 0 0 0 2 R32ui |
| %2 = OpTypePointer UniformConstant %3 |
| %1 = OpVariable %2 UniformConstant |
| )"); |
| } |
| |
| TEST_F(BuilderTest, GlobalVar_TextureStorageWriteOnly) { |
| // var<uniform_constant> a : texture_storage_wo_2d<r32uint>; |
| |
| ast::type::StorageTexture type(ast::type::TextureDimension::k2d, |
| ast::AccessControl::kWriteOnly, |
| ast::type::ImageFormat::kR32Uint); |
| ASSERT_TRUE(td.DetermineStorageTextureSubtype(&type)) << td.error(); |
| |
| auto* var_a = Var("a", ast::StorageClass::kUniformConstant, &type); |
| EXPECT_TRUE(b.GenerateGlobalVariable(var_a)) << b.error(); |
| |
| EXPECT_EQ(DumpInstructions(b.annots()), R"(OpDecorate %1 NonReadable |
| )"); |
| EXPECT_EQ(DumpInstructions(b.types()), R"(%4 = OpTypeInt 32 0 |
| %3 = OpTypeImage %4 2D 0 0 0 2 R32ui |
| %2 = OpTypePointer UniformConstant %3 |
| %1 = OpVariable %2 UniformConstant |
| )"); |
| } |
| |
| } // namespace |
| } // namespace spirv |
| } // namespace writer |
| } // namespace tint |