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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/ast/call_statement.h"
#include "src/tint/ast/stage_attribute.h"
#include "src/tint/sem/depth_texture.h"
#include "src/tint/sem/multisampled_texture.h"
#include "src/tint/sem/sampled_texture.h"
#include "src/tint/sem/sampler.h"
#include "src/tint/sem/storage_texture.h"
#include "src/tint/writer/glsl/test_helper.h"
using ::testing::HasSubstr;
using namespace tint::number_suffixes; // NOLINT
namespace tint::writer::glsl {
namespace {
using GlslGeneratorImplTest_Type = TestHelper;
TEST_F(GlslGeneratorImplTest_Type, EmitType_Array) {
auto* arr = ty.array<bool, 4>();
Global("G", arr, ast::StorageClass::kPrivate);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, program->TypeOf(arr), ast::StorageClass::kNone,
ast::Access::kReadWrite, "ary"))
<< gen.error();
EXPECT_EQ(out.str(), "bool ary[4]");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_ArrayOfArray) {
auto* arr = ty.array(ty.array<bool, 4>(), 5_u);
Global("G", arr, ast::StorageClass::kPrivate);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, program->TypeOf(arr), ast::StorageClass::kNone,
ast::Access::kReadWrite, "ary"))
<< gen.error();
EXPECT_EQ(out.str(), "bool ary[5][4]");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_ArrayOfArrayOfArray) {
auto* arr = ty.array(ty.array(ty.array<bool, 4>(), 5_u), 6_u);
Global("G", arr, ast::StorageClass::kPrivate);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, program->TypeOf(arr), ast::StorageClass::kNone,
ast::Access::kReadWrite, "ary"))
<< gen.error();
EXPECT_EQ(out.str(), "bool ary[6][5][4]");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_Array_WithoutName) {
auto* arr = ty.array<bool, 4>();
Global("G", arr, ast::StorageClass::kPrivate);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, program->TypeOf(arr), ast::StorageClass::kNone,
ast::Access::kReadWrite, ""))
<< gen.error();
EXPECT_EQ(out.str(), "bool[4]");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_Bool) {
auto* bool_ = create<sem::Bool>();
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, bool_, ast::StorageClass::kNone, ast::Access::kReadWrite, ""))
<< gen.error();
EXPECT_EQ(out.str(), "bool");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_F32) {
auto* f32 = create<sem::F32>();
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, f32, ast::StorageClass::kNone, ast::Access::kReadWrite, ""))
<< gen.error();
EXPECT_EQ(out.str(), "float");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_I32) {
auto* i32 = create<sem::I32>();
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, i32, ast::StorageClass::kNone, ast::Access::kReadWrite, ""))
<< gen.error();
EXPECT_EQ(out.str(), "int");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_Matrix) {
auto* f32 = create<sem::F32>();
auto* vec3 = create<sem::Vector>(f32, 3u);
auto* mat2x3 = create<sem::Matrix>(vec3, 2u);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, mat2x3, ast::StorageClass::kNone, ast::Access::kReadWrite, ""))
<< gen.error();
EXPECT_EQ(out.str(), "mat2x3");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_StructDecl) {
auto* s = Structure("S", {
Member("a", ty.i32()),
Member("b", ty.f32()),
});
Global("g", ty.Of(s), ast::StorageClass::kPrivate);
GeneratorImpl& gen = Build();
TextGenerator::TextBuffer buf;
auto* sem_s = program->TypeOf(s)->As<sem::Struct>();
ASSERT_TRUE(gen.EmitStructType(&buf, sem_s)) << gen.error();
EXPECT_EQ(buf.String(), R"(struct S {
int a;
float b;
};
)");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_Struct) {
auto* s = Structure("S", {
Member("a", ty.i32()),
Member("b", ty.f32()),
});
Global("g", ty.Of(s), ast::StorageClass::kPrivate);
GeneratorImpl& gen = Build();
auto* sem_s = program->TypeOf(s)->As<sem::Struct>();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, sem_s, ast::StorageClass::kNone, ast::Access::kReadWrite, ""))
<< gen.error();
EXPECT_EQ(out.str(), "S");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_Struct_NameCollision) {
auto* s = Structure("S", {
Member("double", ty.i32()),
Member("float", ty.f32()),
});
Global("g", ty.Of(s), ast::StorageClass::kPrivate);
GeneratorImpl& gen = SanitizeAndBuild();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_THAT(gen.result(), HasSubstr(R"(struct S {
int tint_symbol;
float tint_symbol_1;
};
)"));
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_Struct_WithOffsetAttributes) {
auto* s = Structure("S", {
Member("a", ty.i32(), {MemberOffset(0)}),
Member("b", ty.f32(), {MemberOffset(8)}),
});
Global("g", ty.Of(s), ast::StorageClass::kPrivate);
GeneratorImpl& gen = Build();
TextGenerator::TextBuffer buf;
auto* sem_s = program->TypeOf(s)->As<sem::Struct>();
ASSERT_TRUE(gen.EmitStructType(&buf, sem_s)) << gen.error();
EXPECT_EQ(buf.String(), R"(struct S {
int a;
float b;
};
)");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_U32) {
auto* u32 = create<sem::U32>();
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, u32, ast::StorageClass::kNone, ast::Access::kReadWrite, ""))
<< gen.error();
EXPECT_EQ(out.str(), "uint");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_Vector) {
auto* f32 = create<sem::F32>();
auto* vec3 = create<sem::Vector>(f32, 3u);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, vec3, ast::StorageClass::kNone, ast::Access::kReadWrite, ""))
<< gen.error();
EXPECT_EQ(out.str(), "vec3");
}
TEST_F(GlslGeneratorImplTest_Type, EmitType_Void) {
auto* void_ = create<sem::Void>();
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, void_, ast::StorageClass::kNone, ast::Access::kReadWrite, ""))
<< gen.error();
EXPECT_EQ(out.str(), "void");
}
TEST_F(GlslGeneratorImplTest_Type, EmitSampler) {
auto* sampler = create<sem::Sampler>(ast::SamplerKind::kSampler);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_FALSE(gen.EmitType(out, sampler, ast::StorageClass::kNone, ast::Access::kReadWrite, ""))
<< gen.error();
}
TEST_F(GlslGeneratorImplTest_Type, EmitSamplerComparison) {
auto* sampler = create<sem::Sampler>(ast::SamplerKind::kComparisonSampler);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_FALSE(gen.EmitType(out, sampler, ast::StorageClass::kNone, ast::Access::kReadWrite, ""))
<< gen.error();
}
struct GlslDepthTextureData {
ast::TextureDimension dim;
std::string result;
};
inline std::ostream& operator<<(std::ostream& out, GlslDepthTextureData data) {
out << data.dim;
return out;
}
using GlslDepthTexturesTest = TestParamHelper<GlslDepthTextureData>;
TEST_P(GlslDepthTexturesTest, Emit) {
auto params = GetParam();
auto* t = ty.depth_texture(params.dim);
Global("tex", t,
ast::AttributeList{
create<ast::BindingAttribute>(1),
create<ast::GroupAttribute>(2),
});
Func("main", {}, ty.void_(), {CallStmt(Call("textureDimensions", "tex"))},
{Stage(ast::PipelineStage::kFragment)});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_THAT(gen.result(), HasSubstr(params.result));
}
INSTANTIATE_TEST_SUITE_P(
GlslGeneratorImplTest_Type,
GlslDepthTexturesTest,
testing::Values(
GlslDepthTextureData{ast::TextureDimension::k2d, "sampler2DShadow tex;"},
GlslDepthTextureData{ast::TextureDimension::k2dArray, "sampler2DArrayShadow tex;"},
GlslDepthTextureData{ast::TextureDimension::kCube, "samplerCubeShadow tex;"},
GlslDepthTextureData{ast::TextureDimension::kCubeArray, "samplerCubeArrayShadow tex;"}));
using GlslDepthMultisampledTexturesTest = TestHelper;
TEST_F(GlslDepthMultisampledTexturesTest, Emit) {
auto* t = ty.depth_multisampled_texture(ast::TextureDimension::k2d);
Global("tex", t,
ast::AttributeList{
create<ast::BindingAttribute>(1),
create<ast::GroupAttribute>(2),
});
Func("main", {}, ty.void_(), {CallStmt(Call("textureDimensions", "tex"))},
{Stage(ast::PipelineStage::kFragment)});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_THAT(gen.result(), HasSubstr("sampler2DMS tex;"));
}
enum class TextureDataType { F32, U32, I32 };
struct GlslSampledTextureData {
ast::TextureDimension dim;
TextureDataType datatype;
std::string result;
};
inline std::ostream& operator<<(std::ostream& out, GlslSampledTextureData data) {
out << data.dim;
return out;
}
using GlslSampledTexturesTest = TestParamHelper<GlslSampledTextureData>;
TEST_P(GlslSampledTexturesTest, Emit) {
auto params = GetParam();
const ast::Type* datatype = nullptr;
switch (params.datatype) {
case TextureDataType::F32:
datatype = ty.f32();
break;
case TextureDataType::U32:
datatype = ty.u32();
break;
case TextureDataType::I32:
datatype = ty.i32();
break;
}
auto* t = ty.sampled_texture(params.dim, datatype);
Global("tex", t,
ast::AttributeList{
create<ast::BindingAttribute>(1),
create<ast::GroupAttribute>(2),
});
Func("main", {}, ty.void_(), {CallStmt(Call("textureDimensions", "tex"))},
{Stage(ast::PipelineStage::kFragment)});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_THAT(gen.result(), HasSubstr(params.result));
}
INSTANTIATE_TEST_SUITE_P(GlslGeneratorImplTest_Type,
GlslSampledTexturesTest,
testing::Values(
GlslSampledTextureData{
ast::TextureDimension::k1d,
TextureDataType::F32,
"sampler1D tex;",
},
GlslSampledTextureData{
ast::TextureDimension::k2d,
TextureDataType::F32,
"sampler2D tex;",
},
GlslSampledTextureData{
ast::TextureDimension::k2dArray,
TextureDataType::F32,
"sampler2DArray tex;",
},
GlslSampledTextureData{
ast::TextureDimension::k3d,
TextureDataType::F32,
"sampler3D tex;",
},
GlslSampledTextureData{
ast::TextureDimension::kCube,
TextureDataType::F32,
"samplerCube tex;",
},
GlslSampledTextureData{
ast::TextureDimension::kCubeArray,
TextureDataType::F32,
"samplerCubeArray tex;",
},
GlslSampledTextureData{
ast::TextureDimension::k1d,
TextureDataType::U32,
"usampler1D tex;",
},
GlslSampledTextureData{
ast::TextureDimension::k2d,
TextureDataType::U32,
"usampler2D tex;",
},
GlslSampledTextureData{
ast::TextureDimension::k2dArray,
TextureDataType::U32,
"usampler2DArray tex;",
},
GlslSampledTextureData{
ast::TextureDimension::k3d,
TextureDataType::U32,
"usampler3D tex;",
},
GlslSampledTextureData{
ast::TextureDimension::kCube,
TextureDataType::U32,
"usamplerCube tex;",
},
GlslSampledTextureData{
ast::TextureDimension::kCubeArray,
TextureDataType::U32,
"usamplerCubeArray tex;",
},
GlslSampledTextureData{
ast::TextureDimension::k1d,
TextureDataType::I32,
"isampler1D tex;",
},
GlslSampledTextureData{
ast::TextureDimension::k2d,
TextureDataType::I32,
"isampler2D tex;",
},
GlslSampledTextureData{
ast::TextureDimension::k2dArray,
TextureDataType::I32,
"isampler2DArray tex;",
},
GlslSampledTextureData{
ast::TextureDimension::k3d,
TextureDataType::I32,
"isampler3D tex;",
},
GlslSampledTextureData{
ast::TextureDimension::kCube,
TextureDataType::I32,
"isamplerCube tex;",
},
GlslSampledTextureData{
ast::TextureDimension::kCubeArray,
TextureDataType::I32,
"isamplerCubeArray tex;",
}));
TEST_F(GlslGeneratorImplTest_Type, EmitMultisampledTexture) {
auto* f32 = create<sem::F32>();
auto* s = create<sem::MultisampledTexture>(ast::TextureDimension::k2d, f32);
GeneratorImpl& gen = Build();
std::stringstream out;
ASSERT_TRUE(gen.EmitType(out, s, ast::StorageClass::kNone, ast::Access::kReadWrite, ""))
<< gen.error();
EXPECT_EQ(out.str(), "highp sampler2DMS");
}
struct GlslStorageTextureData {
ast::TextureDimension dim;
ast::TexelFormat imgfmt;
std::string result;
};
inline std::ostream& operator<<(std::ostream& out, GlslStorageTextureData data) {
return out << data.dim;
}
using GlslStorageTexturesTest = TestParamHelper<GlslStorageTextureData>;
TEST_P(GlslStorageTexturesTest, Emit) {
auto params = GetParam();
auto* t = ty.storage_texture(params.dim, params.imgfmt, ast::Access::kWrite);
Global("tex", t,
ast::AttributeList{
create<ast::BindingAttribute>(1),
create<ast::GroupAttribute>(2),
});
Func("main", {}, ty.void_(), {CallStmt(Call("textureDimensions", "tex"))},
{Stage(ast::PipelineStage::kFragment)});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate()) << gen.error();
EXPECT_THAT(gen.result(), HasSubstr(params.result));
}
INSTANTIATE_TEST_SUITE_P(
GlslGeneratorImplTest_Type,
GlslStorageTexturesTest,
testing::Values(GlslStorageTextureData{ast::TextureDimension::k1d,
ast::TexelFormat::kRgba8Unorm, "image1D tex;"},
GlslStorageTextureData{ast::TextureDimension::k2d,
ast::TexelFormat::kRgba16Float, "image2D tex;"},
GlslStorageTextureData{ast::TextureDimension::k2dArray,
ast::TexelFormat::kR32Float, "image2DArray tex;"},
GlslStorageTextureData{ast::TextureDimension::k3d, ast::TexelFormat::kRg32Float,
"image3D tex;"},
GlslStorageTextureData{ast::TextureDimension::k1d,
ast::TexelFormat::kRgba32Float, "image1D tex;"},
GlslStorageTextureData{ast::TextureDimension::k2d,
ast::TexelFormat::kRgba16Uint, "image2D tex;"},
GlslStorageTextureData{ast::TextureDimension::k2dArray,
ast::TexelFormat::kR32Uint, "image2DArray tex;"},
GlslStorageTextureData{ast::TextureDimension::k3d, ast::TexelFormat::kRg32Uint,
"image3D tex;"},
GlslStorageTextureData{ast::TextureDimension::k1d,
ast::TexelFormat::kRgba32Uint, "image1D tex;"},
GlslStorageTextureData{ast::TextureDimension::k2d,
ast::TexelFormat::kRgba16Sint, "image2D tex;"},
GlslStorageTextureData{ast::TextureDimension::k2dArray,
ast::TexelFormat::kR32Sint, "image2DArray tex;"},
GlslStorageTextureData{ast::TextureDimension::k3d, ast::TexelFormat::kRg32Sint,
"image3D tex;"},
GlslStorageTextureData{ast::TextureDimension::k1d,
ast::TexelFormat::kRgba32Sint, "image1D tex;"}));
} // namespace
} // namespace tint::writer::glsl