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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 "src/tint/lang/glsl/writer/ast_printer/helper_test.h"
#include "src/tint/utils/text/string_stream.h"
#include "gmock/gmock.h"
namespace tint::glsl::writer {
namespace {
using namespace tint::core::fluent_types; // NOLINT
using namespace tint::core::number_suffixes; // NOLINT
using GlslASTPrinterTest_Import = TestHelper;
struct GlslImportData {
const char* name;
const char* glsl_name;
};
inline std::ostream& operator<<(std::ostream& out, GlslImportData data) {
out << data.name;
return out;
}
using GlslImportData_SingleParamTest = TestParamHelper<GlslImportData>;
TEST_P(GlslImportData_SingleParamTest, FloatScalar) {
auto param = GetParam();
auto* expr = Call(param.name, 1_f);
WrapInFunction(expr);
ASTPrinter& gen = Build();
StringStream out;
gen.EmitCall(out, expr);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(out.str(), std::string(param.glsl_name) + "(1.0f)");
}
INSTANTIATE_TEST_SUITE_P(GlslASTPrinterTest_Import,
GlslImportData_SingleParamTest,
testing::Values(GlslImportData{"abs", "abs"},
GlslImportData{"acos", "acos"},
GlslImportData{"asin", "asin"},
GlslImportData{"atan", "atan"},
GlslImportData{"cos", "cos"},
GlslImportData{"cosh", "cosh"},
GlslImportData{"ceil", "ceil"},
GlslImportData{"exp", "exp"},
GlslImportData{"exp2", "exp2"},
GlslImportData{"floor", "floor"},
GlslImportData{"fract", "fract"},
GlslImportData{"inverseSqrt", "inversesqrt"},
GlslImportData{"length", "length"},
GlslImportData{"log", "log"},
GlslImportData{"log2", "log2"},
GlslImportData{"round", "round"},
GlslImportData{"sign", "sign"},
GlslImportData{"sin", "sin"},
GlslImportData{"sinh", "sinh"},
GlslImportData{"sqrt", "sqrt"},
GlslImportData{"tan", "tan"},
GlslImportData{"tanh", "tanh"},
GlslImportData{"trunc", "trunc"}));
using GlslImportData_SingleIntParamTest = TestParamHelper<GlslImportData>;
TEST_P(GlslImportData_SingleIntParamTest, IntScalar) {
auto param = GetParam();
auto* expr = Call(param.name, Expr(1_i));
WrapInFunction(expr);
ASTPrinter& gen = Build();
StringStream out;
gen.EmitCall(out, expr);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(out.str(), std::string(param.glsl_name) + "(1)");
}
INSTANTIATE_TEST_SUITE_P(GlslASTPrinterTest_Import,
GlslImportData_SingleIntParamTest,
testing::Values(GlslImportData{"abs", "abs"}));
using GlslImportData_SingleVectorParamTest = TestParamHelper<GlslImportData>;
TEST_P(GlslImportData_SingleVectorParamTest, FloatVector) {
auto param = GetParam();
auto* expr = Call(param.name, Call<vec3<f32>>(0.1_f, 0.2_f, 0.3_f));
WrapInFunction(expr);
ASTPrinter& gen = Build();
StringStream out;
gen.EmitCall(out, expr);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(
out.str(),
std::string(param.glsl_name) +
"(vec3(0.10000000149011611938f, 0.20000000298023223877f, 0.30000001192092895508f))");
}
INSTANTIATE_TEST_SUITE_P(GlslASTPrinterTest_Import,
GlslImportData_SingleVectorParamTest,
testing::Values(GlslImportData{"abs", "abs"},
GlslImportData{"acos", "acos"},
GlslImportData{"asin", "asin"},
GlslImportData{"atan", "atan"},
GlslImportData{"cos", "cos"},
GlslImportData{"cosh", "cosh"},
GlslImportData{"ceil", "ceil"},
GlslImportData{"exp", "exp"},
GlslImportData{"exp2", "exp2"},
GlslImportData{"floor", "floor"},
GlslImportData{"fract", "fract"},
GlslImportData{"inverseSqrt", "inversesqrt"},
GlslImportData{"length", "length"},
GlslImportData{"log", "log"},
GlslImportData{"log2", "log2"},
GlslImportData{"normalize", "normalize"},
GlslImportData{"round", "round"},
GlslImportData{"sign", "sign"},
GlslImportData{"sin", "sin"},
GlslImportData{"sinh", "sinh"},
GlslImportData{"sqrt", "sqrt"},
GlslImportData{"tan", "tan"},
GlslImportData{"tanh", "tanh"},
GlslImportData{"trunc", "trunc"}));
using GlslImportData_DualParam_ScalarTest = TestParamHelper<GlslImportData>;
TEST_P(GlslImportData_DualParam_ScalarTest, Float) {
auto param = GetParam();
auto* expr = Call(param.name, 1_f, 2_f);
WrapInFunction(expr);
ASTPrinter& gen = Build();
StringStream out;
gen.EmitCall(out, expr);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(out.str(), std::string(param.glsl_name) + "(1.0f, 2.0f)");
}
INSTANTIATE_TEST_SUITE_P(GlslASTPrinterTest_Import,
GlslImportData_DualParam_ScalarTest,
testing::Values(GlslImportData{"atan2", "atan"},
GlslImportData{"distance", "distance"},
GlslImportData{"max", "max"},
GlslImportData{"min", "min"},
GlslImportData{"pow", "pow"},
GlslImportData{"step", "step"}));
using GlslImportData_DualParam_VectorTest = TestParamHelper<GlslImportData>;
TEST_P(GlslImportData_DualParam_VectorTest, Float) {
auto param = GetParam();
auto* expr = Call(param.name, Call<vec3<f32>>(1_f, 2_f, 3_f), Call<vec3<f32>>(4_f, 5_f, 6_f));
WrapInFunction(expr);
ASTPrinter& gen = Build();
StringStream out;
gen.EmitCall(out, expr);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(out.str(),
std::string(param.glsl_name) + "(vec3(1.0f, 2.0f, 3.0f), vec3(4.0f, 5.0f, 6.0f))");
}
INSTANTIATE_TEST_SUITE_P(GlslASTPrinterTest_Import,
GlslImportData_DualParam_VectorTest,
testing::Values(GlslImportData{"atan2", "atan"},
GlslImportData{"cross", "cross"},
GlslImportData{"distance", "distance"},
GlslImportData{"max", "max"},
GlslImportData{"min", "min"},
GlslImportData{"pow", "pow"},
GlslImportData{"reflect", "reflect"},
GlslImportData{"step", "step"}));
using GlslImportData_DualParam_Int_Test = TestParamHelper<GlslImportData>;
TEST_P(GlslImportData_DualParam_Int_Test, IntScalar) {
auto param = GetParam();
auto* expr = Call(param.name, 1_i, 2_i);
WrapInFunction(expr);
ASTPrinter& gen = Build();
StringStream out;
gen.EmitCall(out, expr);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(out.str(), std::string(param.glsl_name) + "(1, 2)");
}
INSTANTIATE_TEST_SUITE_P(GlslASTPrinterTest_Import,
GlslImportData_DualParam_Int_Test,
testing::Values(GlslImportData{"max", "max"},
GlslImportData{"min", "min"}));
using GlslImportData_TripleParam_ScalarTest = TestParamHelper<GlslImportData>;
TEST_P(GlslImportData_TripleParam_ScalarTest, Float) {
auto param = GetParam();
auto* expr = Call(param.name, 1_f, 2_f, 3_f);
WrapInFunction(expr);
ASTPrinter& gen = Build();
StringStream out;
gen.EmitCall(out, expr);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(out.str(), std::string(param.glsl_name) + "(1.0f, 2.0f, 3.0f)");
}
INSTANTIATE_TEST_SUITE_P(GlslASTPrinterTest_Import,
GlslImportData_TripleParam_ScalarTest,
testing::Values(GlslImportData{"mix", "mix"},
GlslImportData{"clamp", "clamp"},
GlslImportData{"smoothstep", "smoothstep"}));
using GlslImportData_TripleParam_VectorTest = TestParamHelper<GlslImportData>;
TEST_P(GlslImportData_TripleParam_VectorTest, Float) {
auto param = GetParam();
auto* expr = Call(param.name, 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));
WrapInFunction(expr);
ASTPrinter& gen = Build();
StringStream out;
gen.EmitCall(out, expr);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(out.str(),
std::string(param.glsl_name) +
R"((vec3(1.0f, 2.0f, 3.0f), vec3(4.0f, 5.0f, 6.0f), vec3(7.0f, 8.0f, 9.0f)))");
}
INSTANTIATE_TEST_SUITE_P(GlslASTPrinterTest_Import,
GlslImportData_TripleParam_VectorTest,
testing::Values(GlslImportData{"faceForward", "faceforward"},
GlslImportData{"clamp", "clamp"},
GlslImportData{"smoothstep", "smoothstep"}));
using GlslImportData_TripleParam_Int_Test = TestParamHelper<GlslImportData>;
TEST_P(GlslImportData_TripleParam_Int_Test, IntScalar) {
auto param = GetParam();
auto* expr = Call(param.name, 1_i, 2_i, 3_i);
WrapInFunction(expr);
ASTPrinter& gen = Build();
StringStream out;
gen.EmitCall(out, expr);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(out.str(), std::string(param.glsl_name) + "(1, 2, 3)");
}
INSTANTIATE_TEST_SUITE_P(GlslASTPrinterTest_Import,
GlslImportData_TripleParam_Int_Test,
testing::Values(GlslImportData{"clamp", "clamp"}));
TEST_F(GlslASTPrinterTest_Import, GlslImportData_Determinant) {
GlobalVar("var", ty.mat3x3<f32>(), core::AddressSpace::kPrivate);
auto* expr = Call("determinant", "var");
WrapInFunction(expr);
ASTPrinter& gen = Build();
StringStream out;
gen.EmitCall(out, expr);
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(out.str(), std::string("determinant(var)"));
}
} // namespace
} // namespace tint::glsl::writer