| // 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/tint/lang/wgsl/resolver/resolver.h" |
| |
| #include "gmock/gmock.h" |
| #include "src/tint/lang/core/builtin_value.h" |
| #include "src/tint/lang/wgsl/ast/stage_attribute.h" |
| #include "src/tint/lang/wgsl/resolver/resolver_helper_test.h" |
| #include "src/tint/lang/wgsl/sem/struct.h" |
| |
| namespace tint::resolver { |
| namespace { |
| |
| using ::testing::UnorderedElementsAre; |
| using namespace tint::core::fluent_types; // NOLINT |
| using namespace tint::core::number_suffixes; // NOLINT |
| |
| using ResolverPipelineStageUseTest = ResolverTest; |
| |
| TEST_F(ResolverPipelineStageUseTest, UnusedStruct) { |
| auto* s = Structure("S", Vector{Member("a", ty.f32(), Vector{Location(0_a)})}); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->PipelineStageUses().empty()); |
| } |
| |
| TEST_F(ResolverPipelineStageUseTest, StructUsedAsNonEntryPointParam) { |
| auto* s = Structure("S", Vector{Member("a", ty.f32(), Vector{Location(0_a)})}); |
| |
| Func("foo", Vector{Param("param", ty.Of(s))}, ty.void_(), tint::Empty, tint::Empty); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->PipelineStageUses().empty()); |
| } |
| |
| TEST_F(ResolverPipelineStageUseTest, StructUsedAsNonEntryPointReturnType) { |
| auto* s = Structure("S", Vector{Member("a", ty.f32(), Vector{Location(0_a)})}); |
| |
| Func("foo", tint::Empty, ty.Of(s), Vector{Return(Call(ty.Of(s), Expr(0_f)))}, tint::Empty); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_TRUE(sem->PipelineStageUses().empty()); |
| } |
| |
| TEST_F(ResolverPipelineStageUseTest, StructUsedAsVertexShaderParam) { |
| auto* s = Structure("S", Vector{Member("a", ty.f32(), Vector{Location(0_a)})}); |
| |
| Func("main", Vector{Param("param", ty.Of(s))}, ty.vec4<f32>(), |
| Vector{Return(Call<vec4<f32>>())}, Vector{Stage(ast::PipelineStage::kVertex)}, |
| Vector{Builtin(core::BuiltinValue::kPosition)}); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_THAT(sem->PipelineStageUses(), |
| UnorderedElementsAre(core::type::PipelineStageUsage::kVertexInput)); |
| } |
| |
| TEST_F(ResolverPipelineStageUseTest, StructUsedAsVertexShaderReturnType) { |
| auto* s = Structure( |
| "S", Vector{Member("a", ty.vec4<f32>(), Vector{Builtin(core::BuiltinValue::kPosition)})}); |
| |
| Func("main", tint::Empty, ty.Of(s), Vector{Return(Call(ty.Of(s)))}, |
| Vector{Stage(ast::PipelineStage::kVertex)}); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_THAT(sem->PipelineStageUses(), |
| UnorderedElementsAre(core::type::PipelineStageUsage::kVertexOutput)); |
| } |
| |
| TEST_F(ResolverPipelineStageUseTest, StructUsedAsFragmentShaderParam) { |
| auto* s = Structure("S", Vector{Member("a", ty.f32(), Vector{Location(0_a)})}); |
| |
| Func("main", Vector{Param("param", ty.Of(s))}, ty.void_(), tint::Empty, |
| Vector{Stage(ast::PipelineStage::kFragment)}); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_THAT(sem->PipelineStageUses(), |
| UnorderedElementsAre(core::type::PipelineStageUsage::kFragmentInput)); |
| } |
| |
| TEST_F(ResolverPipelineStageUseTest, StructUsedAsFragmentShaderReturnType) { |
| auto* s = Structure("S", Vector{Member("a", ty.f32(), Vector{Location(0_a)})}); |
| |
| Func("main", tint::Empty, ty.Of(s), Vector{Return(Call(ty.Of(s), Expr(0_f)))}, |
| Vector{Stage(ast::PipelineStage::kFragment)}); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_THAT(sem->PipelineStageUses(), |
| UnorderedElementsAre(core::type::PipelineStageUsage::kFragmentOutput)); |
| } |
| |
| TEST_F(ResolverPipelineStageUseTest, StructUsedAsComputeShaderParam) { |
| auto* s = Structure( |
| "S", |
| Vector{Member("a", ty.u32(), Vector{Builtin(core::BuiltinValue::kLocalInvocationIndex)})}); |
| |
| Func("main", Vector{Param("param", ty.Of(s))}, ty.void_(), tint::Empty, |
| Vector{Stage(ast::PipelineStage::kCompute), WorkgroupSize(1_i)}); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_THAT(sem->PipelineStageUses(), |
| UnorderedElementsAre(core::type::PipelineStageUsage::kComputeInput)); |
| } |
| |
| TEST_F(ResolverPipelineStageUseTest, StructUsedMultipleStages) { |
| auto* s = Structure( |
| "S", Vector{Member("a", ty.vec4<f32>(), Vector{Builtin(core::BuiltinValue::kPosition)})}); |
| |
| Func("vert_main", tint::Empty, ty.Of(s), Vector{Return(Call(ty.Of(s)))}, |
| Vector{Stage(ast::PipelineStage::kVertex)}); |
| |
| Func("frag_main", Vector{Param("param", ty.Of(s))}, ty.void_(), tint::Empty, |
| Vector{Stage(ast::PipelineStage::kFragment)}); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_THAT(sem->PipelineStageUses(), |
| UnorderedElementsAre(core::type::PipelineStageUsage::kVertexOutput, |
| core::type::PipelineStageUsage::kFragmentInput)); |
| } |
| |
| TEST_F(ResolverPipelineStageUseTest, StructUsedAsShaderParamViaAlias) { |
| auto* s = Structure("S", Vector{Member("a", ty.f32(), Vector{Location(0_a)})}); |
| auto* s_alias = Alias("S_alias", ty.Of(s)); |
| |
| Func("main", Vector{Param("param", ty.Of(s_alias))}, ty.void_(), tint::Empty, |
| Vector{Stage(ast::PipelineStage::kFragment)}); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_THAT(sem->PipelineStageUses(), |
| UnorderedElementsAre(core::type::PipelineStageUsage::kFragmentInput)); |
| } |
| |
| TEST_F(ResolverPipelineStageUseTest, StructUsedAsShaderParamLocationSet) { |
| auto* s = Structure("S", Vector{Member("a", ty.f32(), Vector{Location(3_a)})}); |
| |
| Func("main", Vector{Param("param", ty.Of(s))}, ty.void_(), tint::Empty, |
| Vector{Stage(ast::PipelineStage::kFragment)}); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| ASSERT_EQ(1u, sem->Members().Length()); |
| EXPECT_EQ(3u, sem->Members()[0]->Attributes().location); |
| } |
| |
| TEST_F(ResolverPipelineStageUseTest, StructUsedAsShaderReturnTypeViaAlias) { |
| auto* s = Structure("S", Vector{Member("a", ty.f32(), Vector{Location(0_a)})}); |
| auto* s_alias = Alias("S_alias", ty.Of(s)); |
| |
| Func("main", tint::Empty, ty.Of(s_alias), Vector{Return(Call(ty.Of(s_alias), Expr(0_f)))}, |
| Vector{Stage(ast::PipelineStage::kFragment)}); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| EXPECT_THAT(sem->PipelineStageUses(), |
| UnorderedElementsAre(core::type::PipelineStageUsage::kFragmentOutput)); |
| } |
| |
| TEST_F(ResolverPipelineStageUseTest, StructUsedAsShaderReturnTypeLocationSet) { |
| auto* s = Structure("S", Vector{Member("a", ty.f32(), Vector{Location(3_a)})}); |
| |
| Func("main", tint::Empty, ty.Of(s), Vector{Return(Call(ty.Of(s), Expr(0_f)))}, |
| Vector{Stage(ast::PipelineStage::kFragment)}); |
| |
| ASSERT_TRUE(r()->Resolve()) << r()->error(); |
| |
| auto* sem = TypeOf(s)->As<core::type::Struct>(); |
| ASSERT_NE(sem, nullptr); |
| ASSERT_EQ(1u, sem->Members().Length()); |
| EXPECT_EQ(3u, sem->Members()[0]->Attributes().location); |
| } |
| |
| } // namespace |
| } // namespace tint::resolver |