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// 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/lang/glsl/writer/ast_printer/helper_test.h"
namespace tint::glsl::writer {
namespace {
using ::testing::HasSubstr;
using namespace tint::core::fluent_types; // NOLINT
using namespace tint::core::number_suffixes; // NOLINT
using GlslASTPrinterTest_Constructor = TestHelper;
TEST_F(GlslASTPrinterTest_Constructor, Bool) {
WrapInFunction(Expr(false));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("false"));
}
TEST_F(GlslASTPrinterTest_Constructor, Int) {
WrapInFunction(Expr(-12345_i));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("-12345"));
}
TEST_F(GlslASTPrinterTest_Constructor, UInt) {
WrapInFunction(Expr(56779_u));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("56779u"));
}
TEST_F(GlslASTPrinterTest_Constructor, Float) {
// Use a number close to 1<<30 but whose decimal representation ends in 0.
WrapInFunction(Expr(f32((1 << 30) - 4)));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("1073741824.0f"));
}
TEST_F(GlslASTPrinterTest_Constructor, F16) {
Enable(wgsl::Extension::kF16);
// Use a number close to 1<<16 but whose decimal representation ends in 0.
WrapInFunction(Expr(f16((1 << 15) - 8)));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("32752.0hf"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Float) {
WrapInFunction(Call<f32>(-1.2e-5_f));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("-0.00001200000042445026f"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_F16) {
Enable(wgsl::Extension::kF16);
WrapInFunction(Call<f16>(-1.2e-3_h));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("-0.0011997222900390625hf"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Bool) {
WrapInFunction(Call<bool>(true));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("true"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Int) {
WrapInFunction(Call<i32>(-12345_i));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("-12345"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Uint) {
WrapInFunction(Call<u32>(12345_u));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("12345u"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_F32) {
WrapInFunction(Call<vec3<f32>>(1_f, 2_f, 3_f));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("vec3(1.0f, 2.0f, 3.0f)"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_F16) {
Enable(wgsl::Extension::kF16);
WrapInFunction(Call<vec3<f16>>(1_h, 2_h, 3_h));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("f16vec3(1.0hf, 2.0hf, 3.0hf)"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_Empty_F32) {
WrapInFunction(Call<vec3<f32>>());
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("vec3(0.0f)"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_Empty_F16) {
Enable(wgsl::Extension::kF16);
WrapInFunction(Call<vec3<f16>>());
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("f16vec3(0.0hf)"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F32_Literal) {
WrapInFunction(Call<vec3<f32>>(2_f));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("vec3(2.0f)"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F16_Literal) {
Enable(wgsl::Extension::kF16);
WrapInFunction(Call<vec3<f16>>(2_h));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("f16vec3(2.0hf)"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F32_Var) {
auto* var = Var("v", Expr(2_f));
auto* cast = Call<vec3<f32>>(var);
WrapInFunction(var, cast);
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr(R"(float v = 2.0f;
vec3 tint_symbol = vec3(v);)"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_F16_Var) {
Enable(wgsl::Extension::kF16);
auto* var = Var("v", Expr(2_h));
auto* cast = Call<vec3<f16>>(var);
WrapInFunction(var, cast);
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr(R"(float16_t v = 2.0hf;
f16vec3 tint_symbol = f16vec3(v);)"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_Bool) {
WrapInFunction(Call<vec3<bool>>(true));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("bvec3(true)"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_Int) {
WrapInFunction(Call<vec3<i32>>(2_i));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("ivec3(2)"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Vec_SingleScalar_UInt) {
WrapInFunction(Call<vec3<u32>>(2_u));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("uvec3(2u)"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_F32) {
WrapInFunction(
Call<mat2x3<f32>>(Call<vec3<f32>>(1_f, 2_f, 3_f), Call<vec3<f32>>(3_f, 4_f, 5_f)));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("mat2x3(vec3(1.0f, 2.0f, 3.0f), vec3(3.0f, 4.0f, 5.0f))"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_F16) {
Enable(wgsl::Extension::kF16);
WrapInFunction(
Call<mat2x3<f16>>(Call<vec3<f16>>(1_h, 2_h, 3_h), Call<vec3<f16>>(3_h, 4_h, 5_h)));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(),
HasSubstr("f16mat2x3(f16vec3(1.0hf, 2.0hf, 3.0hf), f16vec3(3.0hf, 4.0hf, 5.0hf))"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Complex_F32) {
// mat4x4<f32>(
// vec4<f32>(2.0f, 3.0f, 4.0f, 8.0f),
// vec4<f32>(),
// vec4<f32>(7.0f),
// vec4<f32>(vec4<f32>(42.0f, 21.0f, 6.0f, -5.0f)),
// );
auto* vector_literal =
Call<vec4<f32>>(Expr(f32(2.0)), Expr(f32(3.0)), Expr(f32(4.0)), Expr(f32(8.0)));
auto* vector_zero_init = Call<vec4<f32>>();
auto* vector_single_scalar_init = Call<vec4<f32>>(Expr(f32(7.0)));
auto* vector_identical_init = Call<vec4<f32>>(
Call<vec4<f32>>(Expr(f32(42.0)), Expr(f32(21.0)), Expr(f32(6.0)), Expr(f32(-5.0))));
auto* ctor = Call<mat4x4<f32>>(vector_literal, vector_zero_init, vector_single_scalar_init,
vector_identical_init);
WrapInFunction(ctor);
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("mat4(vec4(2.0f, 3.0f, 4.0f, 8.0f), vec4(0.0f), "
"vec4(7.0f), vec4(42.0f, 21.0f, 6.0f, -5.0f))"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Complex_F16) {
// mat4x4<f16>(
// vec4<f16>(2.0h, 3.0h, 4.0h, 8.0h),
// vec4<f16>(),
// vec4<f16>(7.0h),
// vec4<f16>(vec4<f16>(42.0h, 21.0h, 6.0h, -5.0h)),
// );
Enable(wgsl::Extension::kF16);
auto* vector_literal =
Call<vec4<f16>>(Expr(f16(2.0)), Expr(f16(3.0)), Expr(f16(4.0)), Expr(f16(8.0)));
auto* vector_zero_init = Call<vec4<f16>>();
auto* vector_single_scalar_init = Call<vec4<f16>>(Expr(f16(7.0)));
auto* vector_identical_init = Call<vec4<f16>>(
Call<vec4<f16>>(Expr(f16(42.0)), Expr(f16(21.0)), Expr(f16(6.0)), Expr(f16(-5.0))));
auto* ctor = Call<mat4x4<f16>>(vector_literal, vector_zero_init, vector_single_scalar_init,
vector_identical_init);
WrapInFunction(ctor);
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(),
HasSubstr("f16mat4(f16vec4(2.0hf, 3.0hf, 4.0hf, 8.0hf), f16vec4(0.0hf), "
"f16vec4(7.0hf), f16vec4(42.0hf, 21.0hf, 6.0hf, -5.0hf))"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Empty_F32) {
WrapInFunction(Call<mat2x3<f32>>());
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("mat2x3 tint_symbol = mat2x3(vec3(0.0f), vec3(0.0f))"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Empty_F16) {
Enable(wgsl::Extension::kF16);
WrapInFunction(Call<mat2x3<f16>>());
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(),
HasSubstr("f16mat2x3 tint_symbol = f16mat2x3(f16vec3(0.0hf), f16vec3(0.0hf))"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Identity_F32) {
// fn f() {
// var m_1: mat4x4<f32> = mat4x4<f32>();
// var m_2: mat4x4<f32> = mat4x4<f32>(m_1);
// }
auto* m_1 = Var("m_1", ty.mat4x4(ty.f32()), Call<mat4x4<f32>>());
auto* m_2 = Var("m_2", ty.mat4x4(ty.f32()), Call<mat4x4<f32>>(m_1));
WrapInFunction(m_1, m_2);
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("mat4 m_2 = mat4(m_1);"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Mat_Identity_F16) {
// fn f() {
// var m_1: mat4x4<f16> = mat4x4<f16>();
// var m_2: mat4x4<f16> = mat4x4<f16>(m_1);
// }
Enable(wgsl::Extension::kF16);
auto* m_1 = Var("m_1", ty.mat4x4(ty.f16()), Call<mat4x4<f16>>());
auto* m_2 = Var("m_2", ty.mat4x4(ty.f16()), Call<mat4x4<f16>>(m_1));
WrapInFunction(m_1, m_2);
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("f16mat4 m_2 = f16mat4(m_1);"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Array) {
WrapInFunction(Call<array<vec3<f32>, 3>>(Call<vec3<f32>>(1_f, 2_f, 3_f),
Call<vec3<f32>>(4_f, 5_f, 6_f),
Call<vec3<f32>>(7_f, 8_f, 9_f)));
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("vec3[3](vec3(1.0f, 2.0f, 3.0f), "
"vec3(4.0f, 5.0f, 6.0f), "
"vec3(7.0f, 8.0f, 9.0f))"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Array_Empty) {
WrapInFunction(Call<array<vec3<f32>, 3>>());
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("vec3[3](vec3(0.0f), vec3(0.0f), vec3(0.0f))"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Struct) {
auto* str = Structure("S", Vector{
Member("a", ty.i32()),
Member("b", ty.f32()),
Member("c", ty.vec3<i32>()),
});
WrapInFunction(Call(ty.Of(str), 1_i, 2_f, Call<vec3<i32>>(3_i, 4_i, 5_i)));
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("S(1, 2.0f, ivec3(3, 4, 5))"));
}
TEST_F(GlslASTPrinterTest_Constructor, Type_Struct_Empty) {
auto* str = Structure("S", Vector{
Member("a", ty.i32()),
Member("b", ty.f32()),
Member("c", ty.vec3<i32>()),
});
WrapInFunction(Call(ty.Of(str)));
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr("S(0"));
}
} // namespace
} // namespace tint::glsl::writer