// 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 #include "gtest/gtest.h" #include "spirv/unified1/spirv.h" #include "spirv/unified1/spirv.hpp11" #include "src/ast/decorated_variable.h" #include "src/ast/discard_statement.h" #include "src/ast/function.h" #include "src/ast/identifier_expression.h" #include "src/ast/member_accessor_expression.h" #include "src/ast/return_statement.h" #include "src/ast/stage_decoration.h" #include "src/ast/struct.h" #include "src/ast/struct_block_decoration.h" #include "src/ast/struct_member_offset_decoration.h" #include "src/ast/type/access_control_type.h" #include "src/ast/type/f32_type.h" #include "src/ast/type/i32_type.h" #include "src/ast/type/struct_type.h" #include "src/ast/type/void_type.h" #include "src/ast/variable.h" #include "src/ast/variable_decl_statement.h" #include "src/context.h" #include "src/type_determiner.h" #include "src/writer/spirv/builder.h" #include "src/writer/spirv/spv_dump.h" #include "src/writer/spirv/test_helper.h" namespace tint { namespace writer { namespace spirv { namespace { using BuilderTest = TestHelper; TEST_F(BuilderTest, Function_Empty) { ast::type::VoidType void_type; ast::Function func("a_func", {}, &void_type, create()); ASSERT_TRUE(b.GenerateFunction(&func)); EXPECT_EQ(DumpBuilder(b), R"(OpName %3 "tint_615f66756e63" %2 = OpTypeVoid %1 = OpTypeFunction %2 %3 = OpFunction %2 None %1 %4 = OpLabel OpReturn OpFunctionEnd )"); } TEST_F(BuilderTest, Function_Terminator_Return) { ast::type::VoidType void_type; auto* body = create(); body->append(create()); ast::Function func("a_func", {}, &void_type, body); ASSERT_TRUE(b.GenerateFunction(&func)); EXPECT_EQ(DumpBuilder(b), R"(OpName %3 "tint_615f66756e63" %2 = OpTypeVoid %1 = OpTypeFunction %2 %3 = OpFunction %2 None %1 %4 = OpLabel OpReturn OpFunctionEnd )"); } TEST_F(BuilderTest, Function_Terminator_ReturnValue) { ast::type::VoidType void_type; ast::type::F32Type f32; auto* var_a = create("a", ast::StorageClass::kPrivate, &f32); td.RegisterVariableForTesting(var_a); auto* body = create(); body->append( create(create("a"))); ASSERT_TRUE(td.DetermineResultType(body)) << td.error(); ast::Function func("a_func", {}, &void_type, body); ASSERT_TRUE(b.GenerateGlobalVariable(var_a)) << b.error(); ASSERT_TRUE(b.GenerateFunction(&func)) << b.error(); EXPECT_EQ(DumpBuilder(b), R"(OpName %1 "tint_61" OpName %7 "tint_615f66756e63" %3 = OpTypeFloat 32 %2 = OpTypePointer Private %3 %4 = OpConstantNull %3 %1 = OpVariable %2 Private %4 %6 = OpTypeVoid %5 = OpTypeFunction %6 %7 = OpFunction %6 None %5 %8 = OpLabel %9 = OpLoad %3 %1 OpReturnValue %9 OpFunctionEnd )"); } TEST_F(BuilderTest, Function_Terminator_Discard) { ast::type::VoidType void_type; auto* body = create(); body->append(create()); ast::Function func("a_func", {}, &void_type, body); ASSERT_TRUE(b.GenerateFunction(&func)); EXPECT_EQ(DumpBuilder(b), R"(OpName %3 "tint_615f66756e63" %2 = OpTypeVoid %1 = OpTypeFunction %2 %3 = OpFunction %2 None %1 %4 = OpLabel OpKill OpFunctionEnd )"); } TEST_F(BuilderTest, Function_WithParams) { ast::type::VoidType void_type; ast::type::F32Type f32; ast::type::I32Type i32; ast::VariableList params; auto* var_a = create("a", ast::StorageClass::kFunction, &f32); var_a->set_is_const(true); params.push_back(var_a); auto* var_b = create("b", ast::StorageClass::kFunction, &i32); var_b->set_is_const(true); params.push_back(var_b); auto* body = create(); body->append( create(create("a"))); ast::Function func("a_func", params, &f32, body); td.RegisterVariableForTesting(func.params()[0]); td.RegisterVariableForTesting(func.params()[1]); EXPECT_TRUE(td.DetermineFunction(&func)); ASSERT_TRUE(b.GenerateFunction(&func)); EXPECT_EQ(DumpBuilder(b), R"(OpName %4 "tint_615f66756e63" OpName %5 "tint_61" OpName %6 "tint_62" %2 = OpTypeFloat 32 %3 = OpTypeInt 32 1 %1 = OpTypeFunction %2 %2 %3 %4 = OpFunction %2 None %1 %5 = OpFunctionParameter %2 %6 = OpFunctionParameter %3 %7 = OpLabel OpReturnValue %5 OpFunctionEnd )") << DumpBuilder(b); } TEST_F(BuilderTest, Function_WithBody) { ast::type::VoidType void_type; auto* body = create(); body->append(create()); ast::Function func("a_func", {}, &void_type, body); ASSERT_TRUE(b.GenerateFunction(&func)); EXPECT_EQ(DumpBuilder(b), R"(OpName %3 "tint_615f66756e63" %2 = OpTypeVoid %1 = OpTypeFunction %2 %3 = OpFunction %2 None %1 %4 = OpLabel OpReturn OpFunctionEnd )"); } TEST_F(BuilderTest, FunctionType) { ast::type::VoidType void_type; ast::Function func("a_func", {}, &void_type, create()); ASSERT_TRUE(b.GenerateFunction(&func)); EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeVoid %1 = OpTypeFunction %2 )"); } TEST_F(BuilderTest, FunctionType_DeDuplicate) { ast::type::VoidType void_type; ast::Function func1("a_func", {}, &void_type, create()); ast::Function func2("b_func", {}, &void_type, create()); ASSERT_TRUE(b.GenerateFunction(&func1)); ASSERT_TRUE(b.GenerateFunction(&func2)); EXPECT_EQ(DumpInstructions(b.types()), R"(%2 = OpTypeVoid %1 = OpTypeFunction %2 )"); } // https://crbug.com/tint/297 TEST_F(BuilderTest, Emit_Multiple_EntryPoint_With_Same_ModuleVar) { // [[block]] struct Data { // [[offset(0)]] d : f32; // }; // [[binding(0), set(0)]] var data : Data; // // [[stage(compute)]] // fn a() -> void { // return; // } // // [[stage(compute)]] // fn b() -> void { // return; // } ast::type::VoidType void_type; ast::type::F32Type f32; ast::StructMemberList members; ast::StructMemberDecorationList a_deco; a_deco.push_back(create(0, Source{})); members.push_back(create("d", &f32, a_deco)); ast::StructDecorationList s_decos; s_decos.push_back(create(Source{})); auto* str = create(s_decos, members); ast::type::StructType s("Data", str); ast::type::AccessControlType ac(ast::AccessControl::kReadWrite, &s); auto* data_var = create( create("data", ast::StorageClass::kStorageBuffer, &ac)); ast::VariableDecorationList decos; decos.push_back(create(0, Source{})); decos.push_back(create(0, Source{})); data_var->set_decorations(decos); mod.AddConstructedType(&s); td.RegisterVariableForTesting(data_var); mod.AddGlobalVariable(data_var); { ast::VariableList params; auto* var = create("v", ast::StorageClass::kFunction, &f32); var->set_constructor(create( create("data"), create("d"))); auto* body = create(); body->append(create(var)); body->append(create()); auto* func = create("a", params, &void_type, body); func->add_decoration( create(ast::PipelineStage::kCompute, Source{})); mod.AddFunction(func); } { ast::VariableList params; auto* var = create("v", ast::StorageClass::kFunction, &f32); var->set_constructor(create( create("data"), create("d"))); auto* body = create(); body->append(create(var)); body->append(create()); auto* func = create("b", params, &void_type, body); func->add_decoration( create(ast::PipelineStage::kCompute, Source{})); mod.AddFunction(func); } ASSERT_TRUE(td.Determine()) << td.error(); ASSERT_TRUE(b.Build()); EXPECT_EQ(DumpBuilder(b), R"(OpCapability Shader OpMemoryModel Logical GLSL450 OpEntryPoint GLCompute %7 "a" OpEntryPoint GLCompute %17 "b" OpExecutionMode %7 LocalSize 1 1 1 OpExecutionMode %17 LocalSize 1 1 1 OpName %3 "tint_44617461" OpMemberName %3 0 "tint_64" OpName %1 "tint_64617461" OpName %7 "tint_61" OpName %14 "tint_76" OpName %17 "tint_62" OpName %21 "tint_76" OpDecorate %3 Block OpMemberDecorate %3 0 Offset 0 OpDecorate %1 Binding 0 OpDecorate %1 DescriptorSet 0 %4 = OpTypeFloat 32 %3 = OpTypeStruct %4 %2 = OpTypePointer StorageBuffer %3 %1 = OpVariable %2 StorageBuffer %6 = OpTypeVoid %5 = OpTypeFunction %6 %9 = OpTypeInt 32 0 %10 = OpConstant %9 0 %11 = OpTypePointer StorageBuffer %4 %15 = OpTypePointer Function %4 %16 = OpConstantNull %4 %7 = OpFunction %6 None %5 %8 = OpLabel %14 = OpVariable %15 Function %16 %12 = OpAccessChain %11 %1 %10 %13 = OpLoad %4 %12 OpStore %14 %13 OpReturn OpFunctionEnd %17 = OpFunction %6 None %5 %18 = OpLabel %21 = OpVariable %15 Function %16 %19 = OpAccessChain %11 %1 %10 %20 = OpLoad %4 %19 OpStore %21 %20 OpReturn OpFunctionEnd )"); } } // namespace } // namespace spirv } // namespace writer } // namespace tint