| // 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 "src/ast/access_decoration.h" |
| #include "src/ast/override_decoration.h" |
| #include "src/ast/return_statement.h" |
| #include "src/ast/stage_decoration.h" |
| #include "src/ast/struct_block_decoration.h" |
| #include "src/ast/workgroup_decoration.h" |
| #include "src/resolver/resolver.h" |
| #include "src/resolver/resolver_test_helper.h" |
| |
| #include "gmock/gmock.h" |
| |
| namespace tint { |
| namespace resolver { |
| |
| namespace DecorationTests { |
| namespace { |
| |
| enum class DecorationKind { |
| kAccess, |
| kAlign, |
| kBinding, |
| kBuiltin, |
| kGroup, |
| kLocation, |
| kOverride, |
| kOffset, |
| kSize, |
| kStage, |
| kStride, |
| kStructBlock, |
| kWorkgroup, |
| |
| kBindingAndGroup, |
| }; |
| |
| bool IsBindingDecoration(DecorationKind kind) { |
| switch (kind) { |
| case DecorationKind::kBinding: |
| case DecorationKind::kGroup: |
| case DecorationKind::kBindingAndGroup: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| struct TestParams { |
| DecorationKind kind; |
| bool should_pass; |
| }; |
| struct TestWithParams : ResolverTestWithParam<TestParams> {}; |
| |
| static ast::DecorationList createDecorations(const Source& source, |
| ProgramBuilder& builder, |
| DecorationKind kind) { |
| switch (kind) { |
| case DecorationKind::kAccess: |
| return {builder.create<ast::AccessDecoration>(source, |
| ast::AccessControl::kRead)}; |
| case DecorationKind::kAlign: |
| return {builder.create<ast::StructMemberAlignDecoration>(source, 4u)}; |
| case DecorationKind::kBinding: |
| return {builder.create<ast::BindingDecoration>(source, 1u)}; |
| case DecorationKind::kBuiltin: |
| return {builder.Builtin(source, ast::Builtin::kPosition)}; |
| case DecorationKind::kGroup: |
| return {builder.create<ast::GroupDecoration>(source, 1u)}; |
| case DecorationKind::kLocation: |
| return {builder.Location(source, 1)}; |
| case DecorationKind::kOverride: |
| return {builder.create<ast::OverrideDecoration>(source, 0u)}; |
| case DecorationKind::kOffset: |
| return {builder.create<ast::StructMemberOffsetDecoration>(source, 4u)}; |
| case DecorationKind::kSize: |
| return {builder.create<ast::StructMemberSizeDecoration>(source, 4u)}; |
| case DecorationKind::kStage: |
| return {builder.Stage(source, ast::PipelineStage::kCompute)}; |
| case DecorationKind::kStride: |
| return {builder.create<ast::StrideDecoration>(source, 4u)}; |
| case DecorationKind::kStructBlock: |
| return {builder.create<ast::StructBlockDecoration>(source)}; |
| case DecorationKind::kWorkgroup: |
| return { |
| builder.create<ast::WorkgroupDecoration>(source, builder.Expr(1))}; |
| case DecorationKind::kBindingAndGroup: |
| return {builder.create<ast::BindingDecoration>(source, 1u), |
| builder.create<ast::GroupDecoration>(source, 1u)}; |
| } |
| return {}; |
| } |
| |
| using FunctionReturnTypeDecorationTest = TestWithParams; |
| TEST_P(FunctionReturnTypeDecorationTest, IsValid) { |
| auto& params = GetParam(); |
| |
| Func("main", ast::VariableList{}, ty.f32(), ast::StatementList{Return(1.f)}, |
| ast::DecorationList{Stage(ast::PipelineStage::kCompute)}, |
| createDecorations({}, *this, params.kind)); |
| |
| if (params.should_pass) { |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } else { |
| EXPECT_FALSE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(r()->error(), |
| "error: decoration is not valid for function return types"); |
| } |
| } |
| INSTANTIATE_TEST_SUITE_P( |
| ResolverDecorationValidationTest, |
| FunctionReturnTypeDecorationTest, |
| testing::Values(TestParams{DecorationKind::kAccess, false}, |
| TestParams{DecorationKind::kAlign, false}, |
| TestParams{DecorationKind::kBinding, false}, |
| TestParams{DecorationKind::kBuiltin, true}, |
| TestParams{DecorationKind::kGroup, false}, |
| TestParams{DecorationKind::kLocation, true}, |
| TestParams{DecorationKind::kOverride, false}, |
| TestParams{DecorationKind::kOffset, false}, |
| TestParams{DecorationKind::kSize, false}, |
| TestParams{DecorationKind::kStage, false}, |
| TestParams{DecorationKind::kStride, false}, |
| TestParams{DecorationKind::kStructBlock, false}, |
| TestParams{DecorationKind::kWorkgroup, false}, |
| TestParams{DecorationKind::kBindingAndGroup, false})); |
| |
| using ArrayDecorationTest = TestWithParams; |
| TEST_P(ArrayDecorationTest, IsValid) { |
| auto& params = GetParam(); |
| |
| auto* arr = ty.array(ty.f32(), 0, |
| createDecorations(Source{{12, 34}}, *this, params.kind)); |
| Structure("mystruct", |
| { |
| Member("a", arr), |
| }, |
| {create<ast::StructBlockDecoration>()}); |
| |
| WrapInFunction(); |
| |
| if (params.should_pass) { |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } else { |
| EXPECT_FALSE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: decoration is not valid for array types"); |
| } |
| } |
| INSTANTIATE_TEST_SUITE_P( |
| ResolverDecorationValidationTest, |
| ArrayDecorationTest, |
| testing::Values(TestParams{DecorationKind::kAccess, false}, |
| TestParams{DecorationKind::kAlign, false}, |
| TestParams{DecorationKind::kBinding, false}, |
| TestParams{DecorationKind::kBuiltin, false}, |
| TestParams{DecorationKind::kGroup, false}, |
| TestParams{DecorationKind::kLocation, false}, |
| TestParams{DecorationKind::kOverride, false}, |
| TestParams{DecorationKind::kOffset, false}, |
| TestParams{DecorationKind::kSize, false}, |
| TestParams{DecorationKind::kStage, false}, |
| TestParams{DecorationKind::kStride, true}, |
| TestParams{DecorationKind::kStructBlock, false}, |
| TestParams{DecorationKind::kWorkgroup, false}, |
| TestParams{DecorationKind::kBindingAndGroup, false})); |
| |
| using StructDecorationTest = TestWithParams; |
| TEST_P(StructDecorationTest, IsValid) { |
| auto& params = GetParam(); |
| |
| Structure("mystruct", {}, |
| createDecorations(Source{{12, 34}}, *this, params.kind)); |
| |
| WrapInFunction(); |
| |
| if (params.should_pass) { |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } else { |
| EXPECT_FALSE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: decoration is not valid for struct declarations"); |
| } |
| } |
| INSTANTIATE_TEST_SUITE_P( |
| ResolverDecorationValidationTest, |
| StructDecorationTest, |
| testing::Values(TestParams{DecorationKind::kAccess, false}, |
| TestParams{DecorationKind::kAlign, false}, |
| TestParams{DecorationKind::kBinding, false}, |
| TestParams{DecorationKind::kBuiltin, false}, |
| TestParams{DecorationKind::kGroup, false}, |
| TestParams{DecorationKind::kLocation, false}, |
| TestParams{DecorationKind::kOverride, false}, |
| TestParams{DecorationKind::kOffset, false}, |
| TestParams{DecorationKind::kSize, false}, |
| TestParams{DecorationKind::kStage, false}, |
| TestParams{DecorationKind::kStride, false}, |
| TestParams{DecorationKind::kStructBlock, true}, |
| TestParams{DecorationKind::kWorkgroup, false}, |
| TestParams{DecorationKind::kBindingAndGroup, false})); |
| |
| using StructMemberDecorationTest = TestWithParams; |
| TEST_P(StructMemberDecorationTest, IsValid) { |
| auto& params = GetParam(); |
| |
| ast::StructMemberList members{Member( |
| "a", ty.i32(), createDecorations(Source{{12, 34}}, *this, params.kind))}; |
| |
| Structure("mystruct", members); |
| |
| WrapInFunction(); |
| |
| if (params.should_pass) { |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } else { |
| EXPECT_FALSE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: decoration is not valid for structure members"); |
| } |
| } |
| INSTANTIATE_TEST_SUITE_P( |
| ResolverDecorationValidationTest, |
| StructMemberDecorationTest, |
| testing::Values(TestParams{DecorationKind::kAccess, false}, |
| TestParams{DecorationKind::kAlign, true}, |
| TestParams{DecorationKind::kBinding, false}, |
| TestParams{DecorationKind::kBuiltin, true}, |
| TestParams{DecorationKind::kGroup, false}, |
| TestParams{DecorationKind::kLocation, true}, |
| TestParams{DecorationKind::kOverride, false}, |
| TestParams{DecorationKind::kOffset, true}, |
| TestParams{DecorationKind::kSize, true}, |
| TestParams{DecorationKind::kStage, false}, |
| TestParams{DecorationKind::kStride, false}, |
| TestParams{DecorationKind::kStructBlock, false}, |
| TestParams{DecorationKind::kWorkgroup, false}, |
| TestParams{DecorationKind::kBindingAndGroup, false})); |
| |
| using VariableDecorationTest = TestWithParams; |
| TEST_P(VariableDecorationTest, IsValid) { |
| auto& params = GetParam(); |
| |
| if (IsBindingDecoration(params.kind)) { |
| Global("a", ty.sampler(ast::SamplerKind::kSampler), |
| ast::StorageClass::kNone, nullptr, |
| createDecorations(Source{{12, 34}}, *this, params.kind)); |
| } else { |
| Global("a", ty.f32(), ast::StorageClass::kInput, nullptr, |
| createDecorations(Source{{12, 34}}, *this, params.kind)); |
| } |
| |
| WrapInFunction(); |
| |
| if (params.should_pass) { |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } else { |
| EXPECT_FALSE(r()->Resolve()) << r()->error(); |
| if (!IsBindingDecoration(params.kind)) { |
| EXPECT_EQ(r()->error(), |
| "12:34 error: decoration is not valid for variables"); |
| } |
| } |
| } |
| INSTANTIATE_TEST_SUITE_P( |
| ResolverDecorationValidationTest, |
| VariableDecorationTest, |
| testing::Values(TestParams{DecorationKind::kAccess, false}, |
| TestParams{DecorationKind::kAlign, false}, |
| TestParams{DecorationKind::kBinding, false}, |
| TestParams{DecorationKind::kBuiltin, true}, |
| TestParams{DecorationKind::kGroup, false}, |
| TestParams{DecorationKind::kLocation, true}, |
| TestParams{DecorationKind::kOverride, false}, |
| TestParams{DecorationKind::kOffset, false}, |
| TestParams{DecorationKind::kSize, false}, |
| TestParams{DecorationKind::kStage, false}, |
| TestParams{DecorationKind::kStride, false}, |
| TestParams{DecorationKind::kStructBlock, false}, |
| TestParams{DecorationKind::kWorkgroup, false}, |
| TestParams{DecorationKind::kBindingAndGroup, true})); |
| |
| using ConstantDecorationTest = TestWithParams; |
| TEST_P(ConstantDecorationTest, IsValid) { |
| auto& params = GetParam(); |
| |
| GlobalConst("a", ty.f32(), Expr(1.23f), |
| createDecorations(Source{{12, 34}}, *this, params.kind)); |
| |
| WrapInFunction(); |
| |
| if (params.should_pass) { |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } else { |
| EXPECT_FALSE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: decoration is not valid for constants"); |
| } |
| } |
| INSTANTIATE_TEST_SUITE_P( |
| ResolverDecorationValidationTest, |
| ConstantDecorationTest, |
| testing::Values(TestParams{DecorationKind::kAccess, false}, |
| TestParams{DecorationKind::kAlign, false}, |
| TestParams{DecorationKind::kBinding, false}, |
| TestParams{DecorationKind::kBuiltin, false}, |
| TestParams{DecorationKind::kGroup, false}, |
| TestParams{DecorationKind::kLocation, false}, |
| TestParams{DecorationKind::kOverride, true}, |
| TestParams{DecorationKind::kOffset, false}, |
| TestParams{DecorationKind::kSize, false}, |
| TestParams{DecorationKind::kStage, false}, |
| TestParams{DecorationKind::kStride, false}, |
| TestParams{DecorationKind::kStructBlock, false}, |
| TestParams{DecorationKind::kWorkgroup, false}, |
| TestParams{DecorationKind::kBindingAndGroup, false})); |
| |
| using FunctionDecorationTest = TestWithParams; |
| TEST_P(FunctionDecorationTest, IsValid) { |
| auto& params = GetParam(); |
| |
| ast::DecorationList decos = |
| createDecorations(Source{{12, 34}}, *this, params.kind); |
| Func("foo", ast::VariableList{}, ty.void_(), ast::StatementList{}, decos); |
| |
| if (params.should_pass) { |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } else { |
| EXPECT_FALSE(r()->Resolve()) << r()->error(); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: decoration is not valid for functions"); |
| } |
| } |
| INSTANTIATE_TEST_SUITE_P( |
| ResolverDecorationValidationTest, |
| FunctionDecorationTest, |
| testing::Values(TestParams{DecorationKind::kAccess, false}, |
| TestParams{DecorationKind::kAlign, false}, |
| TestParams{DecorationKind::kBinding, false}, |
| TestParams{DecorationKind::kBuiltin, false}, |
| TestParams{DecorationKind::kGroup, false}, |
| TestParams{DecorationKind::kLocation, false}, |
| TestParams{DecorationKind::kOverride, false}, |
| TestParams{DecorationKind::kOffset, false}, |
| TestParams{DecorationKind::kSize, false}, |
| // Skip kStage as we do not apply it in this test |
| TestParams{DecorationKind::kStride, false}, |
| TestParams{DecorationKind::kStructBlock, false}, |
| // Skip kWorkgroup as this is a different error |
| TestParams{DecorationKind::kBindingAndGroup, false})); |
| |
| } // namespace |
| } // namespace DecorationTests |
| |
| namespace ArrayStrideTests { |
| namespace { |
| |
| struct Params { |
| create_ast_type_func_ptr create_el_type; |
| uint32_t stride; |
| bool should_pass; |
| }; |
| |
| struct TestWithParams : ResolverTestWithParam<Params> {}; |
| |
| using ArrayStrideTest = TestWithParams; |
| TEST_P(ArrayStrideTest, All) { |
| auto& params = GetParam(); |
| auto* el_ty = params.create_el_type(ty); |
| |
| std::stringstream ss; |
| ss << "el_ty: " << FriendlyName(el_ty) << ", stride: " << params.stride |
| << ", should_pass: " << params.should_pass; |
| SCOPED_TRACE(ss.str()); |
| |
| auto* arr = ty.array(Source{{12, 34}}, el_ty, 4, params.stride); |
| |
| Global("myarray", arr, ast::StorageClass::kInput); |
| |
| if (params.should_pass) { |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } else { |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: arrays decorated with the stride attribute must " |
| "have a stride that is at least the size of the element type, " |
| "and be a multiple of the element type's alignment value."); |
| } |
| } |
| |
| // Helpers and typedefs |
| using i32 = ProgramBuilder::i32; |
| using u32 = ProgramBuilder::u32; |
| using f32 = ProgramBuilder::f32; |
| |
| struct SizeAndAlignment { |
| uint32_t size; |
| uint32_t align; |
| }; |
| constexpr SizeAndAlignment default_u32 = {4, 4}; |
| constexpr SizeAndAlignment default_i32 = {4, 4}; |
| constexpr SizeAndAlignment default_f32 = {4, 4}; |
| constexpr SizeAndAlignment default_vec2 = {8, 8}; |
| constexpr SizeAndAlignment default_vec3 = {12, 16}; |
| constexpr SizeAndAlignment default_vec4 = {16, 16}; |
| constexpr SizeAndAlignment default_mat2x2 = {16, 8}; |
| constexpr SizeAndAlignment default_mat3x3 = {48, 16}; |
| constexpr SizeAndAlignment default_mat4x4 = {64, 16}; |
| |
| INSTANTIATE_TEST_SUITE_P( |
| ResolverDecorationValidationTest, |
| ArrayStrideTest, |
| testing::Values( |
| // Succeed because stride >= element size (while being multiple of |
| // element alignment) |
| Params{ast_u32, default_u32.size, true}, |
| Params{ast_i32, default_i32.size, true}, |
| Params{ast_f32, default_f32.size, true}, |
| Params{ast_vec2<f32>, default_vec2.size, true}, |
| // vec3's default size is not a multiple of its alignment |
| // Params{ast_vec3<f32>, default_vec3.size, true}, |
| Params{ast_vec4<f32>, default_vec4.size, true}, |
| Params{ast_mat2x2<f32>, default_mat2x2.size, true}, |
| Params{ast_mat3x3<f32>, default_mat3x3.size, true}, |
| Params{ast_mat4x4<f32>, default_mat4x4.size, true}, |
| |
| // Fail because stride is < element size |
| Params{ast_u32, default_u32.size - 1, false}, |
| Params{ast_i32, default_i32.size - 1, false}, |
| Params{ast_f32, default_f32.size - 1, false}, |
| Params{ast_vec2<f32>, default_vec2.size - 1, false}, |
| Params{ast_vec3<f32>, default_vec3.size - 1, false}, |
| Params{ast_vec4<f32>, default_vec4.size - 1, false}, |
| Params{ast_mat2x2<f32>, default_mat2x2.size - 1, false}, |
| Params{ast_mat3x3<f32>, default_mat3x3.size - 1, false}, |
| Params{ast_mat4x4<f32>, default_mat4x4.size - 1, false}, |
| |
| // Succeed because stride equals multiple of element alignment |
| Params{ast_u32, default_u32.align * 7, true}, |
| Params{ast_i32, default_i32.align * 7, true}, |
| Params{ast_f32, default_f32.align * 7, true}, |
| Params{ast_vec2<f32>, default_vec2.align * 7, true}, |
| Params{ast_vec3<f32>, default_vec3.align * 7, true}, |
| Params{ast_vec4<f32>, default_vec4.align * 7, true}, |
| Params{ast_mat2x2<f32>, default_mat2x2.align * 7, true}, |
| Params{ast_mat3x3<f32>, default_mat3x3.align * 7, true}, |
| Params{ast_mat4x4<f32>, default_mat4x4.align * 7, true}, |
| |
| // Fail because stride is not multiple of element alignment |
| Params{ast_u32, (default_u32.align - 1) * 7, false}, |
| Params{ast_i32, (default_i32.align - 1) * 7, false}, |
| Params{ast_f32, (default_f32.align - 1) * 7, false}, |
| Params{ast_vec2<f32>, (default_vec2.align - 1) * 7, false}, |
| Params{ast_vec3<f32>, (default_vec3.align - 1) * 7, false}, |
| Params{ast_vec4<f32>, (default_vec4.align - 1) * 7, false}, |
| Params{ast_mat2x2<f32>, (default_mat2x2.align - 1) * 7, false}, |
| Params{ast_mat3x3<f32>, (default_mat3x3.align - 1) * 7, false}, |
| Params{ast_mat4x4<f32>, (default_mat4x4.align - 1) * 7, false})); |
| |
| TEST_F(ArrayStrideTest, MultipleDecorations) { |
| auto* arr = ty.array(Source{{12, 34}}, ty.i32(), 4, |
| { |
| create<ast::StrideDecoration>(4), |
| create<ast::StrideDecoration>(4), |
| }); |
| |
| Global("myarray", arr, ast::StorageClass::kInput); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: array must have at most one [[stride]] decoration"); |
| } |
| |
| } // namespace |
| } // namespace ArrayStrideTests |
| |
| namespace StructBlockTests { |
| namespace { |
| |
| using StructBlockTest = ResolverTest; |
| TEST_F(StructBlockTest, StructUsedAsArrayElement) { |
| auto* s = Structure("S", {Member("x", ty.i32())}, |
| {create<ast::StructBlockDecoration>()}); |
| auto* a = ty.array(s, 4); |
| Global("G", a, ast::StorageClass::kPrivate); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "error: A structure type with a [[block]] decoration cannot be " |
| "used as an element of an array"); |
| } |
| |
| } // namespace |
| } // namespace StructBlockTests |
| |
| namespace ResourceTests { |
| namespace { |
| |
| using ResourceDecorationTest = ResolverTest; |
| TEST_F(ResourceDecorationTest, UniformBufferMissingBinding) { |
| auto* s = Structure("S", {Member("x", ty.i32())}, |
| {create<ast::StructBlockDecoration>()}); |
| Global(Source{{12, 34}}, "G", s, ast::StorageClass::kUniform); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: resource variables require [[group]] and [[binding]] " |
| "decorations"); |
| } |
| |
| TEST_F(ResourceDecorationTest, StorageBufferMissingBinding) { |
| auto* s = Structure("S", {Member("x", ty.i32())}, |
| {create<ast::StructBlockDecoration>()}); |
| auto* ac = ty.access(ast::AccessControl::kRead, s); |
| Global(Source{{12, 34}}, "G", ac, ast::StorageClass::kStorage); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: resource variables require [[group]] and [[binding]] " |
| "decorations"); |
| } |
| |
| TEST_F(ResourceDecorationTest, TextureMissingBinding) { |
| Global(Source{{12, 34}}, "G", ty.depth_texture(ast::TextureDimension::k2d), |
| ast::StorageClass::kNone); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: resource variables require [[group]] and [[binding]] " |
| "decorations"); |
| } |
| |
| TEST_F(ResourceDecorationTest, SamplerMissingBinding) { |
| Global(Source{{12, 34}}, "G", ty.sampler(ast::SamplerKind::kSampler), |
| ast::StorageClass::kNone); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: resource variables require [[group]] and [[binding]] " |
| "decorations"); |
| } |
| |
| TEST_F(ResourceDecorationTest, BindingPairMissingBinding) { |
| Global(Source{{12, 34}}, "G", ty.sampler(ast::SamplerKind::kSampler), |
| ast::StorageClass::kNone, nullptr, |
| { |
| create<ast::GroupDecoration>(1), |
| }); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: resource variables require [[group]] and [[binding]] " |
| "decorations"); |
| } |
| |
| TEST_F(ResourceDecorationTest, BindingPairMissingGroup) { |
| Global(Source{{12, 34}}, "G", ty.sampler(ast::SamplerKind::kSampler), |
| ast::StorageClass::kNone, nullptr, |
| { |
| create<ast::BindingDecoration>(1), |
| }); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: resource variables require [[group]] and [[binding]] " |
| "decorations"); |
| } |
| |
| TEST_F(ResourceDecorationTest, BindingPointUsedTwiceByEntryPoint) { |
| Global(Source{{12, 34}}, "A", |
| ty.sampled_texture(ast::TextureDimension::k2d, ty.f32()), |
| ast::StorageClass::kNone, nullptr, |
| { |
| create<ast::BindingDecoration>(1), |
| create<ast::GroupDecoration>(2), |
| }); |
| Global(Source{{56, 78}}, "B", |
| ty.sampled_texture(ast::TextureDimension::k2d, ty.f32()), |
| ast::StorageClass::kNone, nullptr, |
| { |
| create<ast::BindingDecoration>(1), |
| create<ast::GroupDecoration>(2), |
| }); |
| |
| Func("F", {}, ty.void_(), |
| { |
| Decl(Var("a", ty.vec4<f32>(), ast::StorageClass::kNone, |
| Call("textureLoad", "A", vec2<i32>(1, 2), 0))), |
| Decl(Var("b", ty.vec4<f32>(), ast::StorageClass::kNone, |
| Call("textureLoad", "B", vec2<i32>(1, 2), 0))), |
| }, |
| {Stage(ast::PipelineStage::kFragment)}); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ( |
| r()->error(), |
| R"(56:78 error: entry point 'F' references multiple variables that use the same resource binding [[group(2), binding(1)]] |
| 12:34 note: first resource binding usage declared here)"); |
| } |
| |
| TEST_F(ResourceDecorationTest, BindingPointUsedTwiceByDifferentEntryPoints) { |
| Global(Source{{12, 34}}, "A", |
| ty.sampled_texture(ast::TextureDimension::k2d, ty.f32()), |
| ast::StorageClass::kNone, nullptr, |
| { |
| create<ast::BindingDecoration>(1), |
| create<ast::GroupDecoration>(2), |
| }); |
| Global(Source{{56, 78}}, "B", |
| ty.sampled_texture(ast::TextureDimension::k2d, ty.f32()), |
| ast::StorageClass::kNone, nullptr, |
| { |
| create<ast::BindingDecoration>(1), |
| create<ast::GroupDecoration>(2), |
| }); |
| |
| Func("F_A", {}, ty.void_(), |
| { |
| Decl(Var("a", ty.vec4<f32>(), ast::StorageClass::kNone, |
| Call("textureLoad", "A", vec2<i32>(1, 2), 0))), |
| }, |
| {Stage(ast::PipelineStage::kFragment)}); |
| Func("F_B", {}, ty.void_(), |
| { |
| Decl(Var("b", ty.vec4<f32>(), ast::StorageClass::kNone, |
| Call("textureLoad", "B", vec2<i32>(1, 2), 0))), |
| }, |
| {Stage(ast::PipelineStage::kFragment)}); |
| |
| EXPECT_TRUE(r()->Resolve()) << r()->error(); |
| } |
| |
| TEST_F(ResourceDecorationTest, BindingPointOnNonResource) { |
| Global(Source{{12, 34}}, "G", ty.f32(), ast::StorageClass::kPrivate, nullptr, |
| { |
| create<ast::BindingDecoration>(1), |
| create<ast::GroupDecoration>(2), |
| }); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: non-resource variables must not have [[group]] or " |
| "[[binding]] decorations"); |
| } |
| |
| } // namespace |
| } // namespace ResourceTests |
| |
| namespace WorkgroupDecorationTests { |
| namespace { |
| |
| using WorkgroupDecoration = ResolverTest; |
| |
| TEST_F(WorkgroupDecoration, NotAnEntryPoint) { |
| Func("main", {}, ty.void_(), {}, |
| {create<ast::WorkgroupDecoration>(Source{{12, 34}}, Expr(1))}); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: the workgroup_size attribute is only valid for " |
| "compute stages"); |
| } |
| |
| TEST_F(WorkgroupDecoration, NotAComputeShader) { |
| Func("main", {}, ty.void_(), {}, |
| {Stage(ast::PipelineStage::kFragment), |
| create<ast::WorkgroupDecoration>(Source{{12, 34}}, Expr(1))}); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: the workgroup_size attribute is only valid for " |
| "compute stages"); |
| } |
| |
| TEST_F(WorkgroupDecoration, MultipleAttributes) { |
| Func(Source{{12, 34}}, "main", {}, ty.void_(), {}, |
| {Stage(ast::PipelineStage::kCompute), WorkgroupSize(1), |
| WorkgroupSize(2)}); |
| |
| EXPECT_FALSE(r()->Resolve()); |
| EXPECT_EQ(r()->error(), |
| "12:34 error: only one workgroup_size attribute permitted per " |
| "entry point"); |
| } |
| |
| } // namespace |
| } // namespace WorkgroupDecorationTests |
| |
| } // namespace resolver |
| } // namespace tint |
