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// 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 "src/tint/ast/id_attribute.h"
#include "src/tint/writer/hlsl/test_helper.h"
using namespace tint::number_suffixes; // NOLINT
namespace tint::writer::hlsl {
namespace {
using HlslGeneratorImplTest_ModuleConstant = TestHelper;
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_AInt) {
auto* var = GlobalConst("G", nullptr, Expr(1_a));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const int l = 1;
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_AFloat) {
auto* var = GlobalConst("G", nullptr, Expr(1._a));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const float l = 1.0f;
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_i32) {
auto* var = GlobalConst("G", nullptr, Expr(1_i));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const int l = 1;
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_u32) {
auto* var = GlobalConst("G", nullptr, Expr(1_u));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const uint l = 1u;
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_f32) {
auto* var = GlobalConst("G", nullptr, Expr(1_f));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const float l = 1.0f;
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_f16) {
Enable(ast::Extension::kF16);
auto* var = GlobalConst("G", nullptr, Expr(1_h));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const float16_t l = float16_t(1.0h);
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_vec3_AInt) {
auto* var = GlobalConst("G", nullptr, Construct(ty.vec3(nullptr), 1_a, 2_a, 3_a));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const int3 l = int3(1, 2, 3);
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_vec3_AFloat) {
auto* var = GlobalConst("G", nullptr, Construct(ty.vec3(nullptr), 1._a, 2._a, 3._a));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const float3 l = float3(1.0f, 2.0f, 3.0f);
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_vec3_f32) {
auto* var = GlobalConst("G", nullptr, vec3<f32>(1_f, 2_f, 3_f));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const float3 l = float3(1.0f, 2.0f, 3.0f);
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_vec3_f16) {
Enable(ast::Extension::kF16);
auto* var = GlobalConst("G", nullptr, vec3<f16>(1_h, 2_h, 3_h));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const vector<float16_t, 3> l = vector<float16_t, 3>(float16_t(1.0h), float16_t(2.0h), float16_t(3.0h));
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_mat2x3_AFloat) {
auto* var = GlobalConst("G", nullptr,
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(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const float2x3 l = float2x3(float3(1.0f, 2.0f, 3.0f), float3(4.0f, 5.0f, 6.0f));
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_mat2x3_f32) {
auto* var = GlobalConst("G", nullptr, mat2x3<f32>(1_f, 2_f, 3_f, 4_f, 5_f, 6_f));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const float2x3 l = float2x3(float3(1.0f, 2.0f, 3.0f), float3(4.0f, 5.0f, 6.0f));
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_mat2x3_f16) {
Enable(ast::Extension::kF16);
auto* var = GlobalConst("G", nullptr, mat2x3<f16>(1_h, 2_h, 3_h, 4_h, 5_h, 6_h));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const matrix<float16_t, 2, 3> l = matrix<float16_t, 2, 3>(vector<float16_t, 3>(float16_t(1.0h), float16_t(2.0h), float16_t(3.0h)), vector<float16_t, 3>(float16_t(4.0h), float16_t(5.0h), float16_t(6.0h)));
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_arr_f32) {
auto* var = GlobalConst("G", nullptr, Construct(ty.array<f32, 3>(), 1_f, 2_f, 3_f));
Func("f", utils::Empty, ty.void_(), utils::Vector{Decl(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const float l[3] = {1.0f, 2.0f, 3.0f};
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_GlobalConst_arr_vec2_bool) {
auto* var = GlobalConst("G", nullptr,
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(Let("l", nullptr, Expr(var)))});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_EQ(gen.result(), R"(void f() {
const bool2 l[3] = {bool2(true, false), bool2(false, true), (true).xx};
}
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_Override) {
auto* var = Override("pos", ty.f32(), Expr(3_f), utils::Vector{Id(23)});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.EmitOverride(var)) << gen.error();
EXPECT_EQ(gen.result(), R"(#ifndef WGSL_SPEC_CONSTANT_23
#define WGSL_SPEC_CONSTANT_23 3.0f
#endif
static const float pos = WGSL_SPEC_CONSTANT_23;
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_Override_NoConstructor) {
auto* var = Override("pos", ty.f32(), nullptr, utils::Vector{Id(23)});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.EmitOverride(var)) << gen.error();
EXPECT_EQ(gen.result(), R"(#ifndef WGSL_SPEC_CONSTANT_23
#error spec constant required for constant id 23
#endif
static const float pos = WGSL_SPEC_CONSTANT_23;
)");
}
TEST_F(HlslGeneratorImplTest_ModuleConstant, Emit_Override_NoId) {
auto* a = Override("a", ty.f32(), Expr(3_f), utils::Vector{Id(0)});
auto* b = Override("b", ty.f32(), Expr(2_f));
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.EmitOverride(a)) << gen.error();
ASSERT_TRUE(gen.EmitOverride(b)) << gen.error();
EXPECT_EQ(gen.result(), R"(#ifndef WGSL_SPEC_CONSTANT_0
#define WGSL_SPEC_CONSTANT_0 3.0f
#endif
static const float a = WGSL_SPEC_CONSTANT_0;
#ifndef WGSL_SPEC_CONSTANT_1
#define WGSL_SPEC_CONSTANT_1 2.0f
#endif
static const float b = WGSL_SPEC_CONSTANT_1;
)");
}
} // namespace
} // namespace tint::writer::hlsl