| // Copyright 2021 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 "gmock/gmock.h" |
| #include "src/ast/stage_decoration.h" |
| #include "src/ast/struct_block_decoration.h" |
| #include "src/writer/glsl/test_helper.h" |
| |
| namespace tint { |
| namespace writer { |
| namespace glsl { |
| namespace { |
| |
| using ::testing::HasSubstr; |
| |
| using create_type_func_ptr = |
| const ast::Type* (*)(const ProgramBuilder::TypesBuilder& ty); |
| |
| inline const ast::Type* ty_i32(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.i32(); |
| } |
| inline const ast::Type* ty_u32(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.u32(); |
| } |
| inline const ast::Type* ty_f32(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.f32(); |
| } |
| template <typename T> |
| inline const ast::Type* ty_vec2(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.vec2<T>(); |
| } |
| template <typename T> |
| inline const ast::Type* ty_vec3(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.vec3<T>(); |
| } |
| template <typename T> |
| inline const ast::Type* ty_vec4(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.vec4<T>(); |
| } |
| template <typename T> |
| inline const ast::Type* ty_mat2x2(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.mat2x2<T>(); |
| } |
| template <typename T> |
| inline const ast::Type* ty_mat2x3(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.mat2x3<T>(); |
| } |
| template <typename T> |
| inline const ast::Type* ty_mat2x4(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.mat2x4<T>(); |
| } |
| template <typename T> |
| inline const ast::Type* ty_mat3x2(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.mat3x2<T>(); |
| } |
| template <typename T> |
| inline const ast::Type* ty_mat3x3(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.mat3x3<T>(); |
| } |
| template <typename T> |
| inline const ast::Type* ty_mat3x4(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.mat3x4<T>(); |
| } |
| template <typename T> |
| inline const ast::Type* ty_mat4x2(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.mat4x2<T>(); |
| } |
| template <typename T> |
| inline const ast::Type* ty_mat4x3(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.mat4x3<T>(); |
| } |
| template <typename T> |
| inline const ast::Type* ty_mat4x4(const ProgramBuilder::TypesBuilder& ty) { |
| return ty.mat4x4<T>(); |
| } |
| |
| using i32 = ProgramBuilder::i32; |
| using u32 = ProgramBuilder::u32; |
| using f32 = ProgramBuilder::f32; |
| |
| template <typename BASE> |
| class GlslGeneratorImplTest_MemberAccessorBase : public BASE { |
| public: |
| void SetupStorageBuffer(ast::StructMemberList members) { |
| ProgramBuilder& b = *this; |
| |
| auto* s = |
| b.Structure("Data", members, {b.create<ast::StructBlockDecoration>()}); |
| |
| b.Global("data", b.ty.Of(s), ast::StorageClass::kStorage, |
| ast::Access::kReadWrite, |
| ast::DecorationList{ |
| b.create<ast::BindingDecoration>(0), |
| b.create<ast::GroupDecoration>(1), |
| }); |
| } |
| |
| void SetupFunction(ast::StatementList statements) { |
| ProgramBuilder& b = *this; |
| b.Func("main", ast::VariableList{}, b.ty.void_(), statements, |
| ast::DecorationList{ |
| b.Stage(ast::PipelineStage::kFragment), |
| }); |
| } |
| }; |
| |
| using GlslGeneratorImplTest_MemberAccessor = |
| GlslGeneratorImplTest_MemberAccessorBase<TestHelper>; |
| |
| template <typename T> |
| using GlslGeneratorImplTest_MemberAccessorWithParam = |
| GlslGeneratorImplTest_MemberAccessorBase<TestParamHelper<T>>; |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, EmitExpression_MemberAccessor) { |
| auto* s = Structure("Data", {Member("mem", ty.f32())}); |
| Global("str", ty.Of(s), ast::StorageClass::kPrivate); |
| |
| auto* expr = MemberAccessor("str", "mem"); |
| WrapInFunction(Var("expr", ty.f32(), ast::StorageClass::kNone, expr)); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| struct Data { |
| float mem; |
| }; |
| |
| Data str = Data(0.0f); |
| |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void test_function() { |
| float expr = str.mem; |
| return; |
| } |
| void main() { |
| test_function(); |
| } |
| |
| |
| )"); |
| } |
| |
| struct TypeCase { |
| create_type_func_ptr member_type; |
| std::string expected; |
| }; |
| inline std::ostream& operator<<(std::ostream& out, TypeCase c) { |
| ProgramBuilder b; |
| auto* ty = c.member_type(b.ty); |
| out << ty->FriendlyName(b.Symbols()); |
| return out; |
| } |
| |
| using GlslGeneratorImplTest_MemberAccessor_StorageBufferLoad = |
| GlslGeneratorImplTest_MemberAccessorWithParam<TypeCase>; |
| TEST_P(GlslGeneratorImplTest_MemberAccessor_StorageBufferLoad, Test) { |
| // struct Data { |
| // a : i32; |
| // b : <type>; |
| // }; |
| // var<storage> data : Data; |
| // data.b; |
| |
| auto p = GetParam(); |
| |
| SetupStorageBuffer({ |
| Member("a", ty.i32()), |
| Member("b", p.member_type(ty)), |
| }); |
| |
| SetupFunction({ |
| Decl(Var("x", nullptr, ast::StorageClass::kNone, |
| MemberAccessor("data", "b"))), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_THAT(gen.result(), HasSubstr(p.expected)); |
| } |
| |
| INSTANTIATE_TEST_SUITE_P(GlslGeneratorImplTest_MemberAccessor, |
| GlslGeneratorImplTest_MemberAccessor_StorageBufferLoad, |
| testing::Values(TypeCase{ty_u32, "data.b"}, |
| TypeCase{ty_f32, "data.b"}, |
| TypeCase{ty_i32, "data.b"}, |
| TypeCase{ty_vec2<u32>, "data.b"}, |
| TypeCase{ty_vec2<f32>, "data.b"}, |
| TypeCase{ty_vec2<i32>, "data.b"}, |
| TypeCase{ty_vec3<u32>, "data.b"}, |
| TypeCase{ty_vec3<f32>, "data.b"}, |
| TypeCase{ty_vec3<i32>, "data.b"}, |
| TypeCase{ty_vec4<u32>, "data.b"}, |
| TypeCase{ty_vec4<f32>, "data.b"}, |
| TypeCase{ty_vec4<i32>, "data.b"}, |
| TypeCase{ty_mat2x2<f32>, "data.b"}, |
| TypeCase{ty_mat2x3<f32>, "data.b"}, |
| TypeCase{ty_mat2x4<f32>, "data.b"}, |
| TypeCase{ty_mat3x2<f32>, "data.b"}, |
| TypeCase{ty_mat3x3<f32>, "data.b"}, |
| TypeCase{ty_mat3x4<f32>, "data.b"}, |
| TypeCase{ty_mat4x2<f32>, "data.b"}, |
| TypeCase{ty_mat4x3<f32>, "data.b"}, |
| TypeCase{ty_mat4x4<f32>, "data.b"})); |
| |
| using GlslGeneratorImplTest_MemberAccessor_StorageBufferStore = |
| GlslGeneratorImplTest_MemberAccessorWithParam<TypeCase>; |
| TEST_P(GlslGeneratorImplTest_MemberAccessor_StorageBufferStore, Test) { |
| // struct Data { |
| // a : i32; |
| // b : <type>; |
| // }; |
| // var<storage> data : Data; |
| // data.b = <type>(); |
| |
| auto p = GetParam(); |
| |
| SetupStorageBuffer({ |
| Member("a", ty.i32()), |
| Member("b", p.member_type(ty)), |
| }); |
| |
| SetupFunction({ |
| Decl(Var("value", p.member_type(ty), ast::StorageClass::kNone, |
| Construct(p.member_type(ty)))), |
| Assign(MemberAccessor("data", "b"), Expr("value")), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_THAT(gen.result(), HasSubstr(p.expected)); |
| } |
| |
| INSTANTIATE_TEST_SUITE_P( |
| GlslGeneratorImplTest_MemberAccessor, |
| GlslGeneratorImplTest_MemberAccessor_StorageBufferStore, |
| testing::Values(TypeCase{ty_u32, "data.b = value"}, |
| TypeCase{ty_f32, "data.b = value"}, |
| TypeCase{ty_i32, "data.b = value"}, |
| TypeCase{ty_vec2<u32>, "data.b = value"}, |
| TypeCase{ty_vec2<f32>, "data.b = value"}, |
| TypeCase{ty_vec2<i32>, "data.b = value"}, |
| TypeCase{ty_vec3<u32>, "data.b = value"}, |
| TypeCase{ty_vec3<f32>, "data.b = value"}, |
| TypeCase{ty_vec3<i32>, "data.b = value"}, |
| TypeCase{ty_vec4<u32>, "data.b = value"}, |
| TypeCase{ty_vec4<f32>, "data.b = value"}, |
| TypeCase{ty_vec4<i32>, "data.b = value"}, |
| TypeCase{ty_mat2x2<f32>, "data.b = value"}, |
| TypeCase{ty_mat2x3<f32>, "data.b = value"}, |
| TypeCase{ty_mat2x4<f32>, "data.b = value"}, |
| TypeCase{ty_mat3x2<f32>, "data.b = value"}, |
| TypeCase{ty_mat3x3<f32>, "data.b = value"}, |
| TypeCase{ty_mat3x4<f32>, "data.b = value"}, |
| TypeCase{ty_mat4x2<f32>, "data.b = value"}, |
| TypeCase{ty_mat4x3<f32>, "data.b = value"}, |
| TypeCase{ty_mat4x4<f32>, "data.b = value"})); |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, StorageBuffer_Store_Matrix_Empty) { |
| // struct Data { |
| // z : f32; |
| // a : mat2x3<f32>; |
| // }; |
| // var<storage> data : Data; |
| // data.a = mat2x3<f32>(); |
| |
| SetupStorageBuffer({ |
| Member("a", ty.i32()), |
| Member("b", ty.mat2x3<f32>()), |
| }); |
| |
| SetupFunction({ |
| Assign(MemberAccessor("data", "b"), |
| Construct(ty.mat2x3<f32>(), ast::ExpressionList{})), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| auto* expected = |
| R"(#version 310 es |
| precision mediump float; |
| |
| struct Data { |
| int a; |
| mat2x3 b; |
| }; |
| |
| layout(binding = 0) buffer Data_1 { |
| int a; |
| mat2x3 b; |
| } data; |
| |
| void tint_symbol() { |
| data.b = mat2x3(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f); |
| return; |
| } |
| void main() { |
| tint_symbol(); |
| } |
| |
| |
| )"; |
| EXPECT_EQ(gen.result(), expected); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, |
| StorageBuffer_Load_Matrix_Single_Element) { |
| // struct Data { |
| // z : f32; |
| // a : mat4x3<f32>; |
| // }; |
| // var<storage> data : Data; |
| // data.a[2][1]; |
| |
| SetupStorageBuffer({ |
| Member("z", ty.f32()), |
| Member("a", ty.mat4x3<f32>()), |
| }); |
| |
| SetupFunction({ |
| Decl( |
| Var("x", nullptr, ast::StorageClass::kNone, |
| IndexAccessor(IndexAccessor(MemberAccessor("data", "a"), 2), 1))), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| auto* expected = |
| R"(#version 310 es |
| precision mediump float; |
| |
| struct Data { |
| float z; |
| mat4x3 a; |
| }; |
| |
| layout(binding = 0) buffer Data_1 { |
| float z; |
| mat4x3 a; |
| } data; |
| |
| void tint_symbol() { |
| float x = data.a[2][1]; |
| return; |
| } |
| void main() { |
| tint_symbol(); |
| } |
| |
| |
| )"; |
| EXPECT_EQ(gen.result(), expected); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, |
| EmitExpression_IndexAccessor_StorageBuffer_Load_Int_FromArray) { |
| // struct Data { |
| // a : @stride(4) array<i32, 5>; |
| // }; |
| // var<storage> data : Data; |
| // data.a[2]; |
| |
| SetupStorageBuffer({ |
| Member("z", ty.f32()), |
| Member("a", ty.array<i32, 5>(4)), |
| }); |
| |
| SetupFunction({ |
| Decl(Var("x", nullptr, ast::StorageClass::kNone, |
| IndexAccessor(MemberAccessor("data", "a"), 2))), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| auto* expected = |
| R"(#version 310 es |
| precision mediump float; |
| |
| struct Data { |
| float z; |
| int a[5]; |
| }; |
| |
| layout(binding = 0) buffer Data_1 { |
| float z; |
| int a[5]; |
| } data; |
| |
| void tint_symbol() { |
| int x = data.a[2]; |
| return; |
| } |
| void main() { |
| tint_symbol(); |
| } |
| |
| |
| )"; |
| EXPECT_EQ(gen.result(), expected); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, |
| EmitExpression_IndexAccessor_StorageBuffer_Load_Int_FromArray_ExprIdx) { |
| // struct Data { |
| // a : @stride(4) array<i32, 5>; |
| // }; |
| // var<storage> data : Data; |
| // data.a[(2 + 4) - 3]; |
| |
| SetupStorageBuffer({ |
| Member("z", ty.f32()), |
| Member("a", ty.array<i32, 5>(4)), |
| }); |
| |
| SetupFunction({ |
| Decl(Var("x", nullptr, ast::StorageClass::kNone, |
| IndexAccessor(MemberAccessor("data", "a"), |
| Sub(Add(2, Expr(4)), Expr(3))))), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| auto* expected = |
| R"(#version 310 es |
| precision mediump float; |
| |
| struct Data { |
| float z; |
| int a[5]; |
| }; |
| |
| layout(binding = 0) buffer Data_1 { |
| float z; |
| int a[5]; |
| } data; |
| |
| void tint_symbol() { |
| int x = data.a[((2 + 4) - 3)]; |
| return; |
| } |
| void main() { |
| tint_symbol(); |
| } |
| |
| |
| )"; |
| EXPECT_EQ(gen.result(), expected); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, StorageBuffer_Store_ToArray) { |
| // struct Data { |
| // a : @stride(4) array<i32, 5>; |
| // }; |
| // var<storage> data : Data; |
| // data.a[2] = 2; |
| |
| SetupStorageBuffer({ |
| Member("z", ty.f32()), |
| Member("a", ty.array<i32, 5>(4)), |
| }); |
| |
| SetupFunction({ |
| Assign(IndexAccessor(MemberAccessor("data", "a"), 2), 2), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| auto* expected = |
| R"(#version 310 es |
| precision mediump float; |
| |
| struct Data { |
| float z; |
| int a[5]; |
| }; |
| |
| layout(binding = 0) buffer Data_1 { |
| float z; |
| int a[5]; |
| } data; |
| |
| void tint_symbol() { |
| data.a[2] = 2; |
| return; |
| } |
| void main() { |
| tint_symbol(); |
| } |
| |
| |
| )"; |
| EXPECT_EQ(gen.result(), expected); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, StorageBuffer_Load_MultiLevel) { |
| // struct Inner { |
| // a : vec3<i32>; |
| // b : vec3<f32>; |
| // }; |
| // struct Data { |
| // var c : @stride(32) array<Inner, 4>; |
| // }; |
| // |
| // var<storage> data : Pre; |
| // data.c[2].b |
| |
| auto* inner = Structure("Inner", { |
| Member("a", ty.vec3<f32>()), |
| Member("b", ty.vec3<f32>()), |
| }); |
| |
| SetupStorageBuffer({ |
| Member("c", ty.array(ty.Of(inner), 4, 32)), |
| }); |
| |
| SetupFunction({ |
| Decl(Var( |
| "x", nullptr, ast::StorageClass::kNone, |
| MemberAccessor(IndexAccessor(MemberAccessor("data", "c"), 2), "b"))), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| auto* expected = |
| R"(#version 310 es |
| precision mediump float; |
| |
| struct Inner { |
| vec3 a; |
| vec3 b; |
| }; |
| struct Data { |
| Inner c[4]; |
| }; |
| |
| layout(binding = 0) buffer Data_1 { |
| Inner c[4]; |
| } data; |
| |
| void tint_symbol() { |
| vec3 x = data.c[2].b; |
| return; |
| } |
| void main() { |
| tint_symbol(); |
| } |
| |
| |
| )"; |
| EXPECT_EQ(gen.result(), expected); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, |
| StorageBuffer_Load_MultiLevel_Swizzle) { |
| // struct Inner { |
| // a : vec3<i32>; |
| // b : vec3<f32>; |
| // }; |
| // struct Data { |
| // var c : @stride(32) array<Inner, 4>; |
| // }; |
| // |
| // var<storage> data : Pre; |
| // data.c[2].b.xy |
| |
| auto* inner = Structure("Inner", { |
| Member("a", ty.vec3<f32>()), |
| Member("b", ty.vec3<f32>()), |
| }); |
| |
| SetupStorageBuffer({ |
| Member("c", ty.array(ty.Of(inner), 4, 32)), |
| }); |
| |
| SetupFunction({ |
| Decl(Var("x", nullptr, ast::StorageClass::kNone, |
| MemberAccessor( |
| MemberAccessor(IndexAccessor(MemberAccessor("data", "c"), 2), |
| "b"), |
| "xy"))), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| auto* expected = |
| R"(#version 310 es |
| precision mediump float; |
| |
| struct Inner { |
| vec3 a; |
| vec3 b; |
| }; |
| struct Data { |
| Inner c[4]; |
| }; |
| |
| layout(binding = 0) buffer Data_1 { |
| Inner c[4]; |
| } data; |
| |
| void tint_symbol() { |
| vec2 x = data.c[2].b.xy; |
| return; |
| } |
| void main() { |
| tint_symbol(); |
| } |
| |
| |
| )"; |
| EXPECT_EQ(gen.result(), expected); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, |
| StorageBuffer_Load_MultiLevel_Swizzle_SingleLetter) { // NOLINT |
| // struct Inner { |
| // a : vec3<i32>; |
| // b : vec3<f32>; |
| // }; |
| // struct Data { |
| // var c : @stride(32) array<Inner, 4>; |
| // }; |
| // |
| // var<storage> data : Pre; |
| // data.c[2].b.g |
| |
| auto* inner = Structure("Inner", { |
| Member("a", ty.vec3<f32>()), |
| Member("b", ty.vec3<f32>()), |
| }); |
| |
| SetupStorageBuffer({ |
| Member("c", ty.array(ty.Of(inner), 4, 32)), |
| }); |
| |
| SetupFunction({ |
| Decl(Var("x", nullptr, ast::StorageClass::kNone, |
| MemberAccessor( |
| MemberAccessor(IndexAccessor(MemberAccessor("data", "c"), 2), |
| "b"), |
| "g"))), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| auto* expected = |
| R"(#version 310 es |
| precision mediump float; |
| |
| struct Inner { |
| vec3 a; |
| vec3 b; |
| }; |
| struct Data { |
| Inner c[4]; |
| }; |
| |
| layout(binding = 0) buffer Data_1 { |
| Inner c[4]; |
| } data; |
| |
| void tint_symbol() { |
| float x = data.c[2].b.g; |
| return; |
| } |
| void main() { |
| tint_symbol(); |
| } |
| |
| |
| )"; |
| EXPECT_EQ(gen.result(), expected); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, |
| StorageBuffer_Load_MultiLevel_Index) { |
| // struct Inner { |
| // a : vec3<i32>; |
| // b : vec3<f32>; |
| // }; |
| // struct Data { |
| // var c : @stride(32) array<Inner, 4>; |
| // }; |
| // |
| // var<storage> data : Pre; |
| // data.c[2].b[1] |
| |
| auto* inner = Structure("Inner", { |
| Member("a", ty.vec3<f32>()), |
| Member("b", ty.vec3<f32>()), |
| }); |
| |
| SetupStorageBuffer({ |
| Member("c", ty.array(ty.Of(inner), 4, 32)), |
| }); |
| |
| SetupFunction({ |
| Decl(Var( |
| "x", nullptr, ast::StorageClass::kNone, |
| IndexAccessor(MemberAccessor( |
| IndexAccessor(MemberAccessor("data", "c"), 2), "b"), |
| 1))), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| auto* expected = |
| R"(#version 310 es |
| precision mediump float; |
| |
| struct Inner { |
| vec3 a; |
| vec3 b; |
| }; |
| struct Data { |
| Inner c[4]; |
| }; |
| |
| layout(binding = 0) buffer Data_1 { |
| Inner c[4]; |
| } data; |
| |
| void tint_symbol() { |
| float x = data.c[2].b[1]; |
| return; |
| } |
| void main() { |
| tint_symbol(); |
| } |
| |
| |
| )"; |
| EXPECT_EQ(gen.result(), expected); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, StorageBuffer_Store_MultiLevel) { |
| // struct Inner { |
| // a : vec3<i32>; |
| // b : vec3<f32>; |
| // }; |
| // struct Data { |
| // var c : @stride(32) array<Inner, 4>; |
| // }; |
| // |
| // var<storage> data : Pre; |
| // data.c[2].b = vec3<f32>(1.f, 2.f, 3.f); |
| |
| auto* inner = Structure("Inner", { |
| Member("a", ty.vec3<f32>()), |
| Member("b", ty.vec3<f32>()), |
| }); |
| |
| SetupStorageBuffer({ |
| Member("c", ty.array(ty.Of(inner), 4, 32)), |
| }); |
| |
| SetupFunction({ |
| Assign(MemberAccessor(IndexAccessor(MemberAccessor("data", "c"), 2), "b"), |
| vec3<f32>(1.f, 2.f, 3.f)), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| auto* expected = |
| R"(#version 310 es |
| precision mediump float; |
| |
| struct Inner { |
| vec3 a; |
| vec3 b; |
| }; |
| struct Data { |
| Inner c[4]; |
| }; |
| |
| layout(binding = 0) buffer Data_1 { |
| Inner c[4]; |
| } data; |
| |
| void tint_symbol() { |
| data.c[2].b = vec3(1.0f, 2.0f, 3.0f); |
| return; |
| } |
| void main() { |
| tint_symbol(); |
| } |
| |
| |
| )"; |
| EXPECT_EQ(gen.result(), expected); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, |
| StorageBuffer_Store_Swizzle_SingleLetter) { |
| // struct Inner { |
| // a : vec3<i32>; |
| // b : vec3<f32>; |
| // }; |
| // struct Data { |
| // var c : @stride(32) array<Inner, 4>; |
| // }; |
| // |
| // var<storage> data : Pre; |
| // data.c[2].b.y = 1.f; |
| |
| auto* inner = Structure("Inner", { |
| Member("a", ty.vec3<i32>()), |
| Member("b", ty.vec3<f32>()), |
| }); |
| |
| SetupStorageBuffer({ |
| Member("c", ty.array(ty.Of(inner), 4, 32)), |
| }); |
| |
| SetupFunction({ |
| Assign(MemberAccessor( |
| MemberAccessor(IndexAccessor(MemberAccessor("data", "c"), 2), |
| "b"), |
| "y"), |
| Expr(1.f)), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| auto* expected = |
| R"(#version 310 es |
| precision mediump float; |
| |
| struct Inner { |
| ivec3 a; |
| vec3 b; |
| }; |
| struct Data { |
| Inner c[4]; |
| }; |
| |
| layout(binding = 0) buffer Data_1 { |
| Inner c[4]; |
| } data; |
| |
| void tint_symbol() { |
| data.c[2].b.y = 1.0f; |
| return; |
| } |
| void main() { |
| tint_symbol(); |
| } |
| |
| |
| )"; |
| EXPECT_EQ(gen.result(), expected); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, Swizzle_xyz) { |
| auto* var = Var("my_vec", ty.vec4<f32>(), ast::StorageClass::kNone, |
| vec4<f32>(1.f, 2.f, 3.f, 4.f)); |
| auto* expr = MemberAccessor("my_vec", "xyz"); |
| WrapInFunction(var, expr); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_THAT(gen.result(), HasSubstr("my_vec.xyz")); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_MemberAccessor, Swizzle_gbr) { |
| auto* var = Var("my_vec", ty.vec4<f32>(), ast::StorageClass::kNone, |
| vec4<f32>(1.f, 2.f, 3.f, 4.f)); |
| auto* expr = MemberAccessor("my_vec", "gbr"); |
| WrapInFunction(var, expr); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_THAT(gen.result(), HasSubstr("my_vec.gbr")); |
| } |
| |
| } // namespace |
| } // namespace glsl |
| } // namespace writer |
| } // namespace tint |
