| // 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 "gtest/gtest.h" |
| #include "src/ast/assignment_statement.h" |
| #include "src/ast/decorated_variable.h" |
| #include "src/ast/entry_point.h" |
| #include "src/ast/identifier_expression.h" |
| #include "src/ast/location_decoration.h" |
| #include "src/ast/member_accessor_expression.h" |
| #include "src/ast/module.h" |
| #include "src/ast/type/f32_type.h" |
| #include "src/ast/type/i32_type.h" |
| #include "src/ast/type/vector_type.h" |
| #include "src/ast/type/void_type.h" |
| #include "src/ast/variable.h" |
| #include "src/context.h" |
| #include "src/type_determiner.h" |
| #include "src/writer/msl/generator_impl.h" |
| |
| namespace tint { |
| namespace writer { |
| namespace msl { |
| namespace { |
| |
| using MslGeneratorImplTest = testing::Test; |
| |
| TEST_F(MslGeneratorImplTest, EmitEntryPointData_Vertex_Input) { |
| // [[location 0]] var<in> foo : f32; |
| // [[location 1]] var<in> bar : i32; |
| // |
| // struct vtx_main_in { |
| // float foo [[attribute(0)]]; |
| // int bar [[attribute(1)]]; |
| // }; |
| |
| ast::type::F32Type f32; |
| ast::type::I32Type i32; |
| |
| auto foo_var = std::make_unique<ast::DecoratedVariable>( |
| std::make_unique<ast::Variable>("foo", ast::StorageClass::kInput, &f32)); |
| |
| ast::VariableDecorationList decos; |
| decos.push_back(std::make_unique<ast::LocationDecoration>(0)); |
| foo_var->set_decorations(std::move(decos)); |
| |
| auto bar_var = std::make_unique<ast::DecoratedVariable>( |
| std::make_unique<ast::Variable>("bar", ast::StorageClass::kInput, &i32)); |
| decos.push_back(std::make_unique<ast::LocationDecoration>(1)); |
| bar_var->set_decorations(std::move(decos)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| td.RegisterVariableForTesting(foo_var.get()); |
| td.RegisterVariableForTesting(bar_var.get()); |
| |
| mod.AddGlobalVariable(std::move(foo_var)); |
| mod.AddGlobalVariable(std::move(bar_var)); |
| |
| ast::VariableList params; |
| auto func = |
| std::make_unique<ast::Function>("vtx_main", std::move(params), &f32); |
| |
| auto body = std::make_unique<ast::BlockStatement>(); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("foo"), |
| std::make_unique<ast::IdentifierExpression>("foo"))); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("bar"), |
| std::make_unique<ast::IdentifierExpression>("bar"))); |
| func->set_body(std::move(body)); |
| |
| mod.AddFunction(std::move(func)); |
| |
| auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kVertex, "", |
| "vtx_main"); |
| auto* ep_ptr = ep.get(); |
| |
| mod.AddEntryPoint(std::move(ep)); |
| |
| ASSERT_TRUE(td.Determine()) << td.error(); |
| |
| GeneratorImpl g(&mod); |
| ASSERT_TRUE(g.EmitEntryPointData(ep_ptr)) << g.error(); |
| EXPECT_EQ(g.result(), R"(struct vtx_main_in { |
| float foo [[attribute(0)]]; |
| int bar [[attribute(1)]]; |
| }; |
| |
| )"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitEntryPointData_Vertex_Output) { |
| // [[location 0]] var<out> foo : f32; |
| // [[location 1]] var<out> bar : i32; |
| // |
| // struct vtx_main_out { |
| // float foo [[user(locn0)]]; |
| // int bar [[user(locn1)]]; |
| // }; |
| |
| ast::type::F32Type f32; |
| ast::type::I32Type i32; |
| |
| auto foo_var = std::make_unique<ast::DecoratedVariable>( |
| std::make_unique<ast::Variable>("foo", ast::StorageClass::kOutput, &f32)); |
| |
| ast::VariableDecorationList decos; |
| decos.push_back(std::make_unique<ast::LocationDecoration>(0)); |
| foo_var->set_decorations(std::move(decos)); |
| |
| auto bar_var = std::make_unique<ast::DecoratedVariable>( |
| std::make_unique<ast::Variable>("bar", ast::StorageClass::kOutput, &i32)); |
| decos.push_back(std::make_unique<ast::LocationDecoration>(1)); |
| bar_var->set_decorations(std::move(decos)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| td.RegisterVariableForTesting(foo_var.get()); |
| td.RegisterVariableForTesting(bar_var.get()); |
| |
| mod.AddGlobalVariable(std::move(foo_var)); |
| mod.AddGlobalVariable(std::move(bar_var)); |
| |
| ast::VariableList params; |
| auto func = |
| std::make_unique<ast::Function>("vtx_main", std::move(params), &f32); |
| |
| auto body = std::make_unique<ast::BlockStatement>(); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("foo"), |
| std::make_unique<ast::IdentifierExpression>("foo"))); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("bar"), |
| std::make_unique<ast::IdentifierExpression>("bar"))); |
| func->set_body(std::move(body)); |
| |
| mod.AddFunction(std::move(func)); |
| |
| auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kVertex, "", |
| "vtx_main"); |
| auto* ep_ptr = ep.get(); |
| |
| mod.AddEntryPoint(std::move(ep)); |
| |
| ASSERT_TRUE(td.Determine()) << td.error(); |
| |
| GeneratorImpl g(&mod); |
| ASSERT_TRUE(g.EmitEntryPointData(ep_ptr)) << g.error(); |
| EXPECT_EQ(g.result(), R"(struct vtx_main_out { |
| float foo [[user(locn0)]]; |
| int bar [[user(locn1)]]; |
| }; |
| |
| )"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitEntryPointData_Fragment_Input) { |
| // [[location 0]] var<in> foo : f32; |
| // [[location 1]] var<in> bar : i32; |
| // |
| // struct frag_main_in { |
| // float foo [[user(locn0)]]; |
| // int bar [[user(locn1)]]; |
| // }; |
| |
| ast::type::F32Type f32; |
| ast::type::I32Type i32; |
| |
| auto foo_var = std::make_unique<ast::DecoratedVariable>( |
| std::make_unique<ast::Variable>("foo", ast::StorageClass::kInput, &f32)); |
| |
| ast::VariableDecorationList decos; |
| decos.push_back(std::make_unique<ast::LocationDecoration>(0)); |
| foo_var->set_decorations(std::move(decos)); |
| |
| auto bar_var = std::make_unique<ast::DecoratedVariable>( |
| std::make_unique<ast::Variable>("bar", ast::StorageClass::kInput, &i32)); |
| decos.push_back(std::make_unique<ast::LocationDecoration>(1)); |
| bar_var->set_decorations(std::move(decos)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| td.RegisterVariableForTesting(foo_var.get()); |
| td.RegisterVariableForTesting(bar_var.get()); |
| |
| mod.AddGlobalVariable(std::move(foo_var)); |
| mod.AddGlobalVariable(std::move(bar_var)); |
| |
| ast::VariableList params; |
| auto func = |
| std::make_unique<ast::Function>("frag_main", std::move(params), &f32); |
| |
| auto body = std::make_unique<ast::BlockStatement>(); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("foo"), |
| std::make_unique<ast::IdentifierExpression>("foo"))); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("bar"), |
| std::make_unique<ast::IdentifierExpression>("bar"))); |
| func->set_body(std::move(body)); |
| |
| mod.AddFunction(std::move(func)); |
| |
| auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, |
| "main", "frag_main"); |
| auto* ep_ptr = ep.get(); |
| |
| mod.AddEntryPoint(std::move(ep)); |
| |
| ASSERT_TRUE(td.Determine()) << td.error(); |
| |
| GeneratorImpl g(&mod); |
| ASSERT_TRUE(g.EmitEntryPointData(ep_ptr)) << g.error(); |
| EXPECT_EQ(g.result(), R"(struct main_in { |
| float foo [[user(locn0)]]; |
| int bar [[user(locn1)]]; |
| }; |
| |
| )"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitEntryPointData_Fragment_Output) { |
| // [[location 0]] var<out> foo : f32; |
| // [[location 1]] var<out> bar : i32; |
| // |
| // struct frag_main_out { |
| // float foo [[color(0)]]; |
| // int bar [[color(1)]]; |
| // }; |
| |
| ast::type::F32Type f32; |
| ast::type::I32Type i32; |
| |
| auto foo_var = std::make_unique<ast::DecoratedVariable>( |
| std::make_unique<ast::Variable>("foo", ast::StorageClass::kOutput, &f32)); |
| |
| ast::VariableDecorationList decos; |
| decos.push_back(std::make_unique<ast::LocationDecoration>(0)); |
| foo_var->set_decorations(std::move(decos)); |
| |
| auto bar_var = std::make_unique<ast::DecoratedVariable>( |
| std::make_unique<ast::Variable>("bar", ast::StorageClass::kOutput, &i32)); |
| decos.push_back(std::make_unique<ast::LocationDecoration>(1)); |
| bar_var->set_decorations(std::move(decos)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| td.RegisterVariableForTesting(foo_var.get()); |
| td.RegisterVariableForTesting(bar_var.get()); |
| |
| mod.AddGlobalVariable(std::move(foo_var)); |
| mod.AddGlobalVariable(std::move(bar_var)); |
| |
| ast::VariableList params; |
| auto func = |
| std::make_unique<ast::Function>("frag_main", std::move(params), &f32); |
| |
| auto body = std::make_unique<ast::BlockStatement>(); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("foo"), |
| std::make_unique<ast::IdentifierExpression>("foo"))); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("bar"), |
| std::make_unique<ast::IdentifierExpression>("bar"))); |
| func->set_body(std::move(body)); |
| |
| mod.AddFunction(std::move(func)); |
| |
| auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, |
| "main", "frag_main"); |
| auto* ep_ptr = ep.get(); |
| |
| mod.AddEntryPoint(std::move(ep)); |
| |
| ASSERT_TRUE(td.Determine()) << td.error(); |
| |
| GeneratorImpl g(&mod); |
| ASSERT_TRUE(g.EmitEntryPointData(ep_ptr)) << g.error(); |
| EXPECT_EQ(g.result(), R"(struct main_out { |
| float foo [[color(0)]]; |
| int bar [[color(1)]]; |
| }; |
| |
| )"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitEntryPointData_Compute_Input) { |
| // [[location 0]] var<in> foo : f32; |
| // [[location 1]] var<in> bar : i32; |
| // |
| // -> Error, not allowed |
| |
| ast::type::F32Type f32; |
| ast::type::I32Type i32; |
| |
| auto foo_var = std::make_unique<ast::DecoratedVariable>( |
| std::make_unique<ast::Variable>("foo", ast::StorageClass::kInput, &f32)); |
| |
| ast::VariableDecorationList decos; |
| decos.push_back(std::make_unique<ast::LocationDecoration>(0)); |
| foo_var->set_decorations(std::move(decos)); |
| |
| auto bar_var = std::make_unique<ast::DecoratedVariable>( |
| std::make_unique<ast::Variable>("bar", ast::StorageClass::kInput, &i32)); |
| decos.push_back(std::make_unique<ast::LocationDecoration>(1)); |
| bar_var->set_decorations(std::move(decos)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| td.RegisterVariableForTesting(foo_var.get()); |
| td.RegisterVariableForTesting(bar_var.get()); |
| |
| mod.AddGlobalVariable(std::move(foo_var)); |
| mod.AddGlobalVariable(std::move(bar_var)); |
| |
| ast::VariableList params; |
| auto func = |
| std::make_unique<ast::Function>("comp_main", std::move(params), &f32); |
| |
| auto body = std::make_unique<ast::BlockStatement>(); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("foo"), |
| std::make_unique<ast::IdentifierExpression>("foo"))); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("bar"), |
| std::make_unique<ast::IdentifierExpression>("bar"))); |
| func->set_body(std::move(body)); |
| |
| mod.AddFunction(std::move(func)); |
| |
| auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kCompute, |
| "main", "comp_main"); |
| auto* ep_ptr = ep.get(); |
| |
| mod.AddEntryPoint(std::move(ep)); |
| |
| ASSERT_TRUE(td.Determine()) << td.error(); |
| |
| GeneratorImpl g(&mod); |
| ASSERT_FALSE(g.EmitEntryPointData(ep_ptr)) << g.error(); |
| EXPECT_EQ(g.error(), R"(invalid location variable for pipeline stage)"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitEntryPointData_Compute_Output) { |
| // [[location 0]] var<out> foo : f32; |
| // [[location 1]] var<out> bar : i32; |
| // |
| // -> Error not allowed |
| |
| ast::type::F32Type f32; |
| ast::type::I32Type i32; |
| |
| auto foo_var = std::make_unique<ast::DecoratedVariable>( |
| std::make_unique<ast::Variable>("foo", ast::StorageClass::kOutput, &f32)); |
| |
| ast::VariableDecorationList decos; |
| decos.push_back(std::make_unique<ast::LocationDecoration>(0)); |
| foo_var->set_decorations(std::move(decos)); |
| |
| auto bar_var = std::make_unique<ast::DecoratedVariable>( |
| std::make_unique<ast::Variable>("bar", ast::StorageClass::kOutput, &i32)); |
| decos.push_back(std::make_unique<ast::LocationDecoration>(1)); |
| bar_var->set_decorations(std::move(decos)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| td.RegisterVariableForTesting(foo_var.get()); |
| td.RegisterVariableForTesting(bar_var.get()); |
| |
| mod.AddGlobalVariable(std::move(foo_var)); |
| mod.AddGlobalVariable(std::move(bar_var)); |
| |
| ast::VariableList params; |
| auto func = |
| std::make_unique<ast::Function>("comp_main", std::move(params), &f32); |
| |
| auto body = std::make_unique<ast::BlockStatement>(); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("foo"), |
| std::make_unique<ast::IdentifierExpression>("foo"))); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("bar"), |
| std::make_unique<ast::IdentifierExpression>("bar"))); |
| func->set_body(std::move(body)); |
| |
| mod.AddFunction(std::move(func)); |
| |
| auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kCompute, |
| "main", "comp_main"); |
| auto* ep_ptr = ep.get(); |
| |
| mod.AddEntryPoint(std::move(ep)); |
| |
| ASSERT_TRUE(td.Determine()) << td.error(); |
| |
| GeneratorImpl g(&mod); |
| ASSERT_FALSE(g.EmitEntryPointData(ep_ptr)) << g.error(); |
| EXPECT_EQ(g.error(), R"(invalid location variable for pipeline stage)"); |
| } |
| |
| TEST_F(MslGeneratorImplTest, EmitEntryPointData_Builtins) { |
| // Output builtins go in the output struct, input builtins will be passed |
| // as input parameters to the entry point function. |
| |
| // [[builtin frag_coord]] var<in> coord : vec4<f32>; |
| // [[builtin frag_depth]] var<out> depth : f32; |
| // |
| // struct main_out { |
| // float depth [[depth(any)]]; |
| // }; |
| |
| ast::type::F32Type f32; |
| ast::type::VoidType void_type; |
| ast::type::VectorType vec4(&f32, 4); |
| |
| auto coord_var = |
| std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>( |
| "coord", ast::StorageClass::kInput, &vec4)); |
| |
| ast::VariableDecorationList decos; |
| decos.push_back( |
| std::make_unique<ast::BuiltinDecoration>(ast::Builtin::kFragCoord)); |
| coord_var->set_decorations(std::move(decos)); |
| |
| auto depth_var = |
| std::make_unique<ast::DecoratedVariable>(std::make_unique<ast::Variable>( |
| "depth", ast::StorageClass::kOutput, &f32)); |
| decos.push_back( |
| std::make_unique<ast::BuiltinDecoration>(ast::Builtin::kFragDepth)); |
| depth_var->set_decorations(std::move(decos)); |
| |
| Context ctx; |
| ast::Module mod; |
| TypeDeterminer td(&ctx, &mod); |
| td.RegisterVariableForTesting(coord_var.get()); |
| td.RegisterVariableForTesting(depth_var.get()); |
| |
| mod.AddGlobalVariable(std::move(coord_var)); |
| mod.AddGlobalVariable(std::move(depth_var)); |
| |
| ast::VariableList params; |
| auto func = std::make_unique<ast::Function>("frag_main", std::move(params), |
| &void_type); |
| |
| auto body = std::make_unique<ast::BlockStatement>(); |
| body->append(std::make_unique<ast::AssignmentStatement>( |
| std::make_unique<ast::IdentifierExpression>("depth"), |
| std::make_unique<ast::MemberAccessorExpression>( |
| std::make_unique<ast::IdentifierExpression>("coord"), |
| std::make_unique<ast::IdentifierExpression>("x")))); |
| func->set_body(std::move(body)); |
| |
| mod.AddFunction(std::move(func)); |
| |
| auto ep = std::make_unique<ast::EntryPoint>(ast::PipelineStage::kFragment, |
| "main", "frag_main"); |
| auto* ep_ptr = ep.get(); |
| |
| mod.AddEntryPoint(std::move(ep)); |
| |
| ASSERT_TRUE(td.Determine()) << td.error(); |
| |
| GeneratorImpl g(&mod); |
| ASSERT_TRUE(g.EmitEntryPointData(ep_ptr)) << g.error(); |
| EXPECT_EQ(g.result(), R"(struct main_out { |
| float depth [[depth(any)]]; |
| }; |
| |
| )"); |
| } |
| |
| } // namespace |
| } // namespace msl |
| } // namespace writer |
| } // namespace tint |