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