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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/ast/call_statement.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 GlslGeneratorImplTest_Binary = TestHelper;
struct BinaryData {
const char* result;
ast::BinaryOp op;
};
inline std::ostream& operator<<(std::ostream& out, BinaryData data) {
out << data.op;
return out;
}
using GlslBinaryTest = TestParamHelper<BinaryData>;
TEST_P(GlslBinaryTest, Emit_f32) {
auto params = GetParam();
// Skip ops that are illegal for this type
if (params.op == ast::BinaryOp::kAnd || params.op == ast::BinaryOp::kOr ||
params.op == ast::BinaryOp::kXor || params.op == ast::BinaryOp::kShiftLeft ||
params.op == ast::BinaryOp::kShiftRight || params.op == ast::BinaryOp::kModulo) {
return;
}
GlobalVar("left", ty.f32(), ast::AddressSpace::kPrivate);
GlobalVar("right", ty.f32(), ast::AddressSpace::kPrivate);
auto* left = Expr("left");
auto* right = Expr("right");
auto* expr = create<ast::BinaryExpression>(params.op, left, right);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), params.result);
}
TEST_P(GlslBinaryTest, Emit_f16) {
auto params = GetParam();
// Skip ops that are illegal for this type
if (params.op == ast::BinaryOp::kAnd || params.op == ast::BinaryOp::kOr ||
params.op == ast::BinaryOp::kXor || params.op == ast::BinaryOp::kShiftLeft ||
params.op == ast::BinaryOp::kShiftRight || params.op == ast::BinaryOp::kModulo) {
return;
}
Enable(ast::Extension::kF16);
GlobalVar("left", ty.f16(), ast::AddressSpace::kPrivate);
GlobalVar("right", ty.f16(), ast::AddressSpace::kPrivate);
auto* left = Expr("left");
auto* right = Expr("right");
auto* expr = create<ast::BinaryExpression>(params.op, left, right);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), params.result);
}
TEST_P(GlslBinaryTest, Emit_u32) {
auto params = GetParam();
GlobalVar("left", ty.u32(), ast::AddressSpace::kPrivate);
GlobalVar("right", ty.u32(), ast::AddressSpace::kPrivate);
auto* left = Expr("left");
auto* right = Expr("right");
auto* expr = create<ast::BinaryExpression>(params.op, left, right);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), params.result);
}
TEST_P(GlslBinaryTest, Emit_i32) {
auto params = GetParam();
// Skip ops that are illegal for this type
if (params.op == ast::BinaryOp::kShiftLeft || params.op == ast::BinaryOp::kShiftRight) {
return;
}
GlobalVar("left", ty.i32(), ast::AddressSpace::kPrivate);
GlobalVar("right", ty.i32(), ast::AddressSpace::kPrivate);
auto* left = Expr("left");
auto* right = Expr("right");
auto* expr = create<ast::BinaryExpression>(params.op, left, right);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), params.result);
}
INSTANTIATE_TEST_SUITE_P(
GlslGeneratorImplTest,
GlslBinaryTest,
testing::Values(BinaryData{"(left & right)", ast::BinaryOp::kAnd},
BinaryData{"(left | right)", ast::BinaryOp::kOr},
BinaryData{"(left ^ right)", ast::BinaryOp::kXor},
BinaryData{"(left == right)", ast::BinaryOp::kEqual},
BinaryData{"(left != right)", ast::BinaryOp::kNotEqual},
BinaryData{"(left < right)", ast::BinaryOp::kLessThan},
BinaryData{"(left > right)", ast::BinaryOp::kGreaterThan},
BinaryData{"(left <= right)", ast::BinaryOp::kLessThanEqual},
BinaryData{"(left >= right)", ast::BinaryOp::kGreaterThanEqual},
BinaryData{"(left << right)", ast::BinaryOp::kShiftLeft},
BinaryData{"(left >> right)", ast::BinaryOp::kShiftRight},
BinaryData{"(left + right)", ast::BinaryOp::kAdd},
BinaryData{"(left - right)", ast::BinaryOp::kSubtract},
BinaryData{"(left * right)", ast::BinaryOp::kMultiply},
BinaryData{"(left / right)", ast::BinaryOp::kDivide},
BinaryData{"(left % right)", ast::BinaryOp::kModulo}));
TEST_F(GlslGeneratorImplTest_Binary, Multiply_VectorScalar_f32) {
GlobalVar("a", vec3<f32>(1_f, 1_f, 1_f), ast::AddressSpace::kPrivate);
auto* lhs = Expr("a");
auto* rhs = Expr(1_f);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(a * 1.0f)");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_VectorScalar_f16) {
Enable(ast::Extension::kF16);
GlobalVar("a", vec3<f16>(1_h, 1_h, 1_h), ast::AddressSpace::kPrivate);
auto* lhs = Expr("a");
auto* rhs = Expr(1_h);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(a * 1.0hf)");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_ScalarVector_f32) {
GlobalVar("a", vec3<f32>(1_f, 1_f, 1_f), ast::AddressSpace::kPrivate);
auto* lhs = Expr(1_f);
auto* rhs = Expr("a");
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(1.0f * a)");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_ScalarVector_f16) {
Enable(ast::Extension::kF16);
GlobalVar("a", vec3<f16>(1_h, 1_h, 1_h), ast::AddressSpace::kPrivate);
auto* lhs = Expr(1_h);
auto* rhs = Expr("a");
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(1.0hf * a)");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_MatrixScalar_f32) {
GlobalVar("mat", ty.mat3x3<f32>(), ast::AddressSpace::kPrivate);
auto* lhs = Expr("mat");
auto* rhs = Expr(1_f);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(mat * 1.0f)");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_MatrixScalar_f16) {
Enable(ast::Extension::kF16);
GlobalVar("mat", ty.mat3x3<f16>(), ast::AddressSpace::kPrivate);
auto* lhs = Expr("mat");
auto* rhs = Expr(1_h);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(mat * 1.0hf)");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_ScalarMatrix_f32) {
GlobalVar("mat", ty.mat3x3<f32>(), ast::AddressSpace::kPrivate);
auto* lhs = Expr(1_f);
auto* rhs = Expr("mat");
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(1.0f * mat)");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_ScalarMatrix_f16) {
Enable(ast::Extension::kF16);
GlobalVar("mat", ty.mat3x3<f16>(), ast::AddressSpace::kPrivate);
auto* lhs = Expr(1_h);
auto* rhs = Expr("mat");
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(1.0hf * mat)");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_MatrixVector_f32) {
GlobalVar("mat", ty.mat3x3<f32>(), ast::AddressSpace::kPrivate);
auto* lhs = Expr("mat");
auto* rhs = vec3<f32>(1_f, 1_f, 1_f);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(mat * vec3(1.0f))");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_MatrixVector_f16) {
Enable(ast::Extension::kF16);
GlobalVar("mat", ty.mat3x3<f16>(), ast::AddressSpace::kPrivate);
auto* lhs = Expr("mat");
auto* rhs = vec3<f16>(1_h, 1_h, 1_h);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(mat * f16vec3(1.0hf))");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_VectorMatrix_f32) {
GlobalVar("mat", ty.mat3x3<f32>(), ast::AddressSpace::kPrivate);
auto* lhs = vec3<f32>(1_f, 1_f, 1_f);
auto* rhs = Expr("mat");
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(vec3(1.0f) * mat)");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_VectorMatrix_f16) {
Enable(ast::Extension::kF16);
GlobalVar("mat", ty.mat3x3<f16>(), ast::AddressSpace::kPrivate);
auto* lhs = vec3<f16>(1_h, 1_h, 1_h);
auto* rhs = Expr("mat");
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, lhs, rhs);
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(f16vec3(1.0hf) * mat)");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_MatrixMatrix_f32) {
GlobalVar("lhs", ty.mat3x3<f32>(), ast::AddressSpace::kPrivate);
GlobalVar("rhs", ty.mat3x3<f32>(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, Expr("lhs"), Expr("rhs"));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(lhs * rhs)");
}
TEST_F(GlslGeneratorImplTest_Binary, Multiply_MatrixMatrix_f16) {
Enable(ast::Extension::kF16);
GlobalVar("lhs", ty.mat3x3<f16>(), ast::AddressSpace::kPrivate);
GlobalVar("rhs", ty.mat3x3<f16>(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kMultiply, Expr("lhs"), Expr("rhs"));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
EXPECT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(lhs * rhs)");
}
TEST_F(GlslGeneratorImplTest_Binary, ModF32) {
GlobalVar("a", ty.f32(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.f32(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("a"), Expr("b"));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "tint_float_modulo(a, b)");
}
TEST_F(GlslGeneratorImplTest_Binary, ModF16) {
Enable(ast::Extension::kF16);
GlobalVar("a", ty.f16(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.f16(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("a"), Expr("b"));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "tint_float_modulo(a, b)");
}
TEST_F(GlslGeneratorImplTest_Binary, ModVec3F32) {
GlobalVar("a", ty.vec3<f32>(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.vec3<f32>(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("a"), Expr("b"));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "tint_float_modulo(a, b)");
}
TEST_F(GlslGeneratorImplTest_Binary, ModVec3F16) {
Enable(ast::Extension::kF16);
GlobalVar("a", ty.vec3<f16>(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.vec3<f16>(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("a"), Expr("b"));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "tint_float_modulo(a, b)");
}
TEST_F(GlslGeneratorImplTest_Binary, ModVec3F32ScalarF32) {
GlobalVar("a", ty.vec3<f32>(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.f32(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("a"), Expr("b"));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "tint_float_modulo(a, b)");
}
TEST_F(GlslGeneratorImplTest_Binary, ModVec3F16ScalarF16) {
Enable(ast::Extension::kF16);
GlobalVar("a", ty.vec3<f16>(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.f16(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("a"), Expr("b"));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "tint_float_modulo(a, b)");
}
TEST_F(GlslGeneratorImplTest_Binary, ModScalarF32Vec3F32) {
GlobalVar("a", ty.f32(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.vec3<f32>(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("a"), Expr("b"));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "tint_float_modulo(a, b)");
}
TEST_F(GlslGeneratorImplTest_Binary, ModScalarF16Vec3F16) {
Enable(ast::Extension::kF16);
GlobalVar("a", ty.f16(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.vec3<f16>(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("a"), Expr("b"));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "tint_float_modulo(a, b)");
}
TEST_F(GlslGeneratorImplTest_Binary, ModMixedVec3ScalarF32) {
GlobalVar("a", ty.vec3<f32>(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.f32(), ast::AddressSpace::kPrivate);
auto* expr_vec_mod_vec =
create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("a"), Expr("a"));
auto* expr_vec_mod_scalar =
create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("a"), Expr("b"));
auto* expr_scalar_mod_vec =
create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("b"), Expr("a"));
WrapInFunction(expr_vec_mod_vec, expr_vec_mod_scalar, expr_scalar_mod_vec);
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(#version 310 es
vec3 tint_float_modulo(vec3 lhs, vec3 rhs) {
return (lhs - rhs * trunc(lhs / rhs));
}
vec3 tint_float_modulo_1(vec3 lhs, float rhs) {
return (lhs - rhs * trunc(lhs / rhs));
}
vec3 tint_float_modulo_2(float lhs, vec3 rhs) {
return (lhs - rhs * trunc(lhs / rhs));
}
vec3 a = vec3(0.0f, 0.0f, 0.0f);
float b = 0.0f;
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
void test_function() {
vec3 tint_symbol = tint_float_modulo(a, a);
vec3 tint_symbol_1 = tint_float_modulo_1(a, b);
vec3 tint_symbol_2 = tint_float_modulo_2(b, a);
return;
}
)");
}
TEST_F(GlslGeneratorImplTest_Binary, ModMixedVec3ScalarF16) {
Enable(ast::Extension::kF16);
GlobalVar("a", ty.vec3<f16>(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.f16(), ast::AddressSpace::kPrivate);
auto* expr_vec_mod_vec =
create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("a"), Expr("a"));
auto* expr_vec_mod_scalar =
create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("a"), Expr("b"));
auto* expr_scalar_mod_vec =
create<ast::BinaryExpression>(ast::BinaryOp::kModulo, Expr("b"), Expr("a"));
WrapInFunction(expr_vec_mod_vec, expr_vec_mod_scalar, expr_scalar_mod_vec);
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
f16vec3 tint_float_modulo(f16vec3 lhs, f16vec3 rhs) {
return (lhs - rhs * trunc(lhs / rhs));
}
f16vec3 tint_float_modulo_1(f16vec3 lhs, float16_t rhs) {
return (lhs - rhs * trunc(lhs / rhs));
}
f16vec3 tint_float_modulo_2(float16_t lhs, f16vec3 rhs) {
return (lhs - rhs * trunc(lhs / rhs));
}
f16vec3 a = f16vec3(0.0hf, 0.0hf, 0.0hf);
float16_t b = 0.0hf;
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
void test_function() {
f16vec3 tint_symbol = tint_float_modulo(a, a);
f16vec3 tint_symbol_1 = tint_float_modulo_1(a, b);
f16vec3 tint_symbol_2 = tint_float_modulo_2(b, a);
return;
}
)");
}
TEST_F(GlslGeneratorImplTest_Binary, Logical_And) {
GlobalVar("a", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.bool_(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kLogicalAnd, Expr("a"), Expr("b"));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(tint_tmp)");
EXPECT_EQ(gen.result(), R"(bool tint_tmp = a;
if (tint_tmp) {
tint_tmp = b;
}
)");
}
TEST_F(GlslGeneratorImplTest_Binary, Logical_Multi) {
// (a && b) || (c || d)
GlobalVar("a", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("c", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("d", ty.bool_(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(
ast::BinaryOp::kLogicalOr,
create<ast::BinaryExpression>(ast::BinaryOp::kLogicalAnd, Expr("a"), Expr("b")),
create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr, Expr("c"), Expr("d")));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(tint_tmp)");
EXPECT_EQ(gen.result(), R"(bool tint_tmp_1 = a;
if (tint_tmp_1) {
tint_tmp_1 = b;
}
bool tint_tmp = (tint_tmp_1);
if (!tint_tmp) {
bool tint_tmp_2 = c;
if (!tint_tmp_2) {
tint_tmp_2 = d;
}
tint_tmp = (tint_tmp_2);
}
)");
}
TEST_F(GlslGeneratorImplTest_Binary, Logical_Or) {
GlobalVar("a", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.bool_(), ast::AddressSpace::kPrivate);
auto* expr = create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr, Expr("a"), Expr("b"));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitExpression(out, expr)) << gen.error();
EXPECT_EQ(out.str(), "(tint_tmp)");
EXPECT_EQ(gen.result(), R"(bool tint_tmp = a;
if (!tint_tmp) {
tint_tmp = b;
}
)");
}
TEST_F(GlslGeneratorImplTest_Binary, If_WithLogical) {
// if (a && b) {
// return 1i;
// } else if (b || c) {
// return 2i;
// } else {
// return 3i;
// }
GlobalVar("a", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("c", ty.bool_(), ast::AddressSpace::kPrivate);
auto* expr =
If(create<ast::BinaryExpression>(ast::BinaryOp::kLogicalAnd, Expr("a"), Expr("b")),
Block(Return(1_i)),
Else(If(create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr, Expr("b"), Expr("c")),
Block(Return(2_i)), Else(Block(Return(3_i))))));
Func("func", utils::Empty, ty.i32(), utils::Vector{WrapInStatement(expr)});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.EmitStatement(expr)) << gen.error();
EXPECT_EQ(gen.result(), R"(bool tint_tmp = a;
if (tint_tmp) {
tint_tmp = b;
}
if ((tint_tmp)) {
return 1;
} else {
bool tint_tmp_1 = b;
if (!tint_tmp_1) {
tint_tmp_1 = c;
}
if ((tint_tmp_1)) {
return 2;
} else {
return 3;
}
}
)");
}
TEST_F(GlslGeneratorImplTest_Binary, Return_WithLogical) {
// return (a && b) || c;
GlobalVar("a", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("c", ty.bool_(), ast::AddressSpace::kPrivate);
auto* expr = Return(create<ast::BinaryExpression>(
ast::BinaryOp::kLogicalOr,
create<ast::BinaryExpression>(ast::BinaryOp::kLogicalAnd, Expr("a"), Expr("b")),
Expr("c")));
Func("func", utils::Empty, ty.bool_(), utils::Vector{WrapInStatement(expr)});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.EmitStatement(expr)) << gen.error();
EXPECT_EQ(gen.result(), R"(bool tint_tmp_1 = a;
if (tint_tmp_1) {
tint_tmp_1 = b;
}
bool tint_tmp = (tint_tmp_1);
if (!tint_tmp) {
tint_tmp = c;
}
return (tint_tmp);
)");
}
TEST_F(GlslGeneratorImplTest_Binary, Assign_WithLogical) {
// a = (b || c) && d;
GlobalVar("a", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("c", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("d", ty.bool_(), ast::AddressSpace::kPrivate);
auto* expr =
Assign(Expr("a"),
create<ast::BinaryExpression>(
ast::BinaryOp::kLogicalAnd,
create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr, Expr("b"), Expr("c")),
Expr("d")));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.EmitStatement(expr)) << gen.error();
EXPECT_EQ(gen.result(), R"(bool tint_tmp_1 = b;
if (!tint_tmp_1) {
tint_tmp_1 = c;
}
bool tint_tmp = (tint_tmp_1);
if (tint_tmp) {
tint_tmp = d;
}
a = (tint_tmp);
)");
}
TEST_F(GlslGeneratorImplTest_Binary, Decl_WithLogical) {
// var a : bool = (b && c) || d;
GlobalVar("b", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("c", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("d", ty.bool_(), ast::AddressSpace::kPrivate);
auto* var =
Var("a", ty.bool_(),
create<ast::BinaryExpression>(
ast::BinaryOp::kLogicalOr,
create<ast::BinaryExpression>(ast::BinaryOp::kLogicalAnd, Expr("b"), Expr("c")),
Expr("d")));
auto* decl = Decl(var);
WrapInFunction(decl);
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.EmitStatement(decl)) << gen.error();
EXPECT_EQ(gen.result(), R"(bool tint_tmp_1 = b;
if (tint_tmp_1) {
tint_tmp_1 = c;
}
bool tint_tmp = (tint_tmp_1);
if (!tint_tmp) {
tint_tmp = d;
}
bool a = (tint_tmp);
)");
}
TEST_F(GlslGeneratorImplTest_Binary, Call_WithLogical) {
// foo(a && b, c || d, (a || c) && (b || d))
Func("foo",
utils::Vector{
Param(Sym(), ty.bool_()),
Param(Sym(), ty.bool_()),
Param(Sym(), ty.bool_()),
},
ty.void_(), utils::Empty, utils::Empty);
GlobalVar("a", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("b", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("c", ty.bool_(), ast::AddressSpace::kPrivate);
GlobalVar("d", ty.bool_(), ast::AddressSpace::kPrivate);
utils::Vector params{
create<ast::BinaryExpression>(ast::BinaryOp::kLogicalAnd, Expr("a"), Expr("b")),
create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr, Expr("c"), Expr("d")),
create<ast::BinaryExpression>(
ast::BinaryOp::kLogicalAnd,
create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr, Expr("a"), Expr("c")),
create<ast::BinaryExpression>(ast::BinaryOp::kLogicalOr, Expr("b"), Expr("d"))),
};
auto* expr = CallStmt(Call("foo", params));
WrapInFunction(expr);
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.EmitStatement(expr)) << gen.error();
EXPECT_EQ(gen.result(), R"(bool tint_tmp = a;
if (tint_tmp) {
tint_tmp = b;
}
bool tint_tmp_1 = c;
if (!tint_tmp_1) {
tint_tmp_1 = d;
}
bool tint_tmp_3 = a;
if (!tint_tmp_3) {
tint_tmp_3 = c;
}
bool tint_tmp_2 = (tint_tmp_3);
if (tint_tmp_2) {
bool tint_tmp_4 = b;
if (!tint_tmp_4) {
tint_tmp_4 = d;
}
tint_tmp_2 = (tint_tmp_4);
}
foo((tint_tmp), (tint_tmp_1), (tint_tmp_2));
)");
}
} // namespace
} // namespace tint::writer::glsl