| // 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 "gmock/gmock.h" |
| #include "src/tint/ast/variable_decl_statement.h" |
| #include "src/tint/writer/glsl/test_helper.h" |
| |
| using namespace tint::number_suffixes; // NOLINT |
| |
| namespace tint::writer::glsl { |
| namespace { |
| |
| using ::testing::HasSubstr; |
| |
| using GlslGeneratorImplTest_VariableDecl = TestHelper; |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement) { |
| auto* var = Var("a", ty.f32()); |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| GeneratorImpl& gen = Build(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.EmitStatement(stmt)) << gen.error(); |
| EXPECT_EQ(gen.result(), " float a = 0.0f;\n"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Let) { |
| auto* var = Let("a", ty.f32(), Construct(ty.f32())); |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| GeneratorImpl& gen = Build(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.EmitStatement(stmt)) << gen.error(); |
| EXPECT_EQ(gen.result(), " float a = 0.0f;\n"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const) { |
| auto* var = Const("a", ty.f32(), Construct(ty.f32())); |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| GeneratorImpl& gen = Build(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.EmitStatement(stmt)) << gen.error(); |
| EXPECT_EQ(gen.result(), ""); // Not a mistake - 'const' is inlined |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_AInt) { |
| auto* C = Const("C", Expr(1_a)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| int l = 1; |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_AFloat) { |
| auto* C = Const("C", Expr(1._a)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| float l = 1.0f; |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_i32) { |
| auto* C = Const("C", Expr(1_i)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| int l = 1; |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_u32) { |
| auto* C = Const("C", Expr(1_u)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| uint l = 1u; |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_f32) { |
| auto* C = Const("C", Expr(1_f)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| float l = 1.0f; |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_f16) { |
| Enable(ast::Extension::kF16); |
| |
| auto* C = Const("C", Expr(1_h)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| #extension GL_AMD_gpu_shader_half_float : require |
| |
| void f() { |
| float16_t l = 1.0hf; |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_vec3_AInt) { |
| auto* C = Const("C", Construct(ty.vec3(nullptr), 1_a, 2_a, 3_a)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| ivec3 l = ivec3(1, 2, 3); |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_vec3_AFloat) { |
| auto* C = Const("C", Construct(ty.vec3(nullptr), 1._a, 2._a, 3._a)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| vec3 l = vec3(1.0f, 2.0f, 3.0f); |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_vec3_f32) { |
| auto* C = Const("C", vec3<f32>(1_f, 2_f, 3_f)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| vec3 l = vec3(1.0f, 2.0f, 3.0f); |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_vec3_f16) { |
| Enable(ast::Extension::kF16); |
| |
| auto* C = Const("C", vec3<f16>(1_h, 2_h, 3_h)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| #extension GL_AMD_gpu_shader_half_float : require |
| |
| void f() { |
| f16vec3 l = f16vec3(1.0hf, 2.0hf, 3.0hf); |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_mat2x3_AFloat) { |
| auto* C = Const("C", Construct(ty.mat(nullptr, 2, 3), 1._a, 2._a, 3._a, 4._a, 5._a, 6._a)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| mat2x3 l = mat2x3(vec3(1.0f, 2.0f, 3.0f), vec3(4.0f, 5.0f, 6.0f)); |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_mat2x3_f32) { |
| auto* C = Const("C", mat2x3<f32>(1_f, 2_f, 3_f, 4_f, 5_f, 6_f)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| mat2x3 l = mat2x3(vec3(1.0f, 2.0f, 3.0f), vec3(4.0f, 5.0f, 6.0f)); |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_mat2x3_f16) { |
| Enable(ast::Extension::kF16); |
| |
| auto* C = Const("C", mat2x3<f16>(1_h, 2_h, 3_h, 4_h, 5_h, 6_h)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| #extension GL_AMD_gpu_shader_half_float : require |
| |
| void f() { |
| f16mat2x3 l = f16mat2x3(f16vec3(1.0hf, 2.0hf, 3.0hf), f16vec3(4.0hf, 5.0hf, 6.0hf)); |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_arr_f32) { |
| auto* C = Const("C", Construct(ty.array<f32, 3>(), 1_f, 2_f, 3_f)); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| float l[3] = float[3](1.0f, 2.0f, 3.0f); |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_arr_f32_zero) { |
| auto* C = Const("C", Construct(ty.array<f32, 2>())); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| float l[2] = float[2](0.0f, 0.0f); |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_arr_arr_f32_zero) { |
| auto* C = Const("C", Construct(ty.array(ty.array<f32, 2>(), 3_i))); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| float l[3][2] = float[3][2](float[2](0.0f, 0.0f), float[2](0.0f, 0.0f), float[2](0.0f, 0.0f)); |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_arr_struct_zero) { |
| Structure("S", utils::Vector{Member("a", ty.i32()), Member("b", ty.f32())}); |
| auto* C = Const("C", Construct(ty.array(ty("S"), 2_i))); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| struct S { |
| int a; |
| float b; |
| }; |
| |
| void f() { |
| S l[2] = S[2](S(0, 0.0f), S(0, 0.0f)); |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Const_arr_vec2_bool) { |
| auto* C = Const("C", Construct(ty.array(ty.vec2<bool>(), 3_u), // |
| vec2<bool>(true, false), // |
| vec2<bool>(false, true), // |
| vec2<bool>(true, true))); |
| Func("f", utils::Empty, ty.void_(), |
| utils::Vector{ |
| Decl(C), |
| Decl(Let("l", Expr(C))), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| |
| void f() { |
| bvec2 l[3] = bvec2[3](bvec2(true, false), bvec2(false, true), bvec2(true)); |
| } |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Array) { |
| auto* var = Var("a", ty.array<f32, 5>()); |
| |
| WrapInFunction(var, Expr("a")); |
| |
| GeneratorImpl& gen = Build(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_THAT(gen.result(), |
| HasSubstr(" float a[5] = float[5](0.0f, 0.0f, 0.0f, 0.0f, 0.0f);\n")); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Private) { |
| GlobalVar("a", ty.f32(), type::AddressSpace::kPrivate); |
| |
| WrapInFunction(Expr("a")); |
| |
| GeneratorImpl& gen = Build(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_THAT(gen.result(), HasSubstr(" float a = 0.0f;\n")); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Initializer_ZeroVec_f32) { |
| auto* var = Var("a", ty.vec3<f32>(), vec3<f32>()); |
| |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.EmitStatement(stmt)) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(vec3 a = vec3(0.0f); |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Initializer_ZeroVec_f16) { |
| Enable(ast::Extension::kF16); |
| |
| auto* var = Var("a", ty.vec3<f16>(), vec3<f16>()); |
| |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.EmitStatement(stmt)) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(f16vec3 a = f16vec3(0.0hf); |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Initializer_ZeroMat_f32) { |
| auto* var = Var("a", ty.mat2x3<f32>(), mat2x3<f32>()); |
| |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.EmitStatement(stmt)) << gen.error(); |
| EXPECT_EQ(gen.result(), |
| R"(mat2x3 a = mat2x3(vec3(0.0f), vec3(0.0f)); |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_VariableDecl, Emit_VariableDeclStatement_Initializer_ZeroMat_f16) { |
| Enable(ast::Extension::kF16); |
| |
| auto* var = Var("a", ty.mat2x3<f16>(), mat2x3<f16>()); |
| |
| auto* stmt = Decl(var); |
| WrapInFunction(stmt); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.EmitStatement(stmt)) << gen.error(); |
| EXPECT_EQ(gen.result(), |
| R"(f16mat2x3 a = f16mat2x3(f16vec3(0.0hf), f16vec3(0.0hf)); |
| )"); |
| } |
| |
| } // namespace |
| } // namespace tint::writer::glsl |