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// Copyright 2022 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/type/storage_texture.h"
#include "src/tint/type/depth_texture.h"
#include "src/tint/type/external_texture.h"
#include "src/tint/type/sampled_texture.h"
#include "src/tint/type/test_helper.h"
namespace tint::type {
namespace {
struct StorageTextureTest : public TestHelper {
StorageTexture* Create(ast::TextureDimension dims, ast::TexelFormat fmt, ast::Access access) {
auto* subtype = StorageTexture::SubtypeFor(fmt, Types());
return create<StorageTexture>(dims, fmt, access, subtype);
}
};
TEST_F(StorageTextureTest, Creation) {
auto* a = Create(ast::TextureDimension::kCube, ast::TexelFormat::kRgba32Float,
ast::Access::kReadWrite);
auto* b = Create(ast::TextureDimension::kCube, ast::TexelFormat::kRgba32Float,
ast::Access::kReadWrite);
auto* c =
Create(ast::TextureDimension::k2d, ast::TexelFormat::kRgba32Float, ast::Access::kReadWrite);
auto* d =
Create(ast::TextureDimension::kCube, ast::TexelFormat::kR32Float, ast::Access::kReadWrite);
auto* e =
Create(ast::TextureDimension::kCube, ast::TexelFormat::kRgba32Float, ast::Access::kRead);
EXPECT_TRUE(a->type()->Is<F32>());
EXPECT_EQ(a->dim(), ast::TextureDimension::kCube);
EXPECT_EQ(a, b);
EXPECT_NE(a, c);
EXPECT_NE(a, d);
EXPECT_NE(a, e);
}
TEST_F(StorageTextureTest, Hash) {
auto* a = Create(ast::TextureDimension::kCube, ast::TexelFormat::kRgba32Float,
ast::Access::kReadWrite);
auto* b = Create(ast::TextureDimension::kCube, ast::TexelFormat::kRgba32Float,
ast::Access::kReadWrite);
EXPECT_EQ(a->unique_hash, b->unique_hash);
}
TEST_F(StorageTextureTest, Equals) {
auto* a = Create(ast::TextureDimension::kCube, ast::TexelFormat::kRgba32Float,
ast::Access::kReadWrite);
auto* b = Create(ast::TextureDimension::kCube, ast::TexelFormat::kRgba32Float,
ast::Access::kReadWrite);
auto* c =
Create(ast::TextureDimension::k2d, ast::TexelFormat::kRgba32Float, ast::Access::kReadWrite);
auto* d =
Create(ast::TextureDimension::kCube, ast::TexelFormat::kR32Float, ast::Access::kReadWrite);
auto* e =
Create(ast::TextureDimension::kCube, ast::TexelFormat::kRgba32Float, ast::Access::kRead);
EXPECT_TRUE(a->Equals(*b));
EXPECT_FALSE(a->Equals(*c));
EXPECT_FALSE(a->Equals(*d));
EXPECT_FALSE(a->Equals(*e));
EXPECT_FALSE(a->Equals(Void{}));
}
TEST_F(StorageTextureTest, Dim) {
auto* s = Create(ast::TextureDimension::k2dArray, ast::TexelFormat::kRgba32Float,
ast::Access::kReadWrite);
EXPECT_EQ(s->dim(), ast::TextureDimension::k2dArray);
}
TEST_F(StorageTextureTest, Format) {
auto* s = Create(ast::TextureDimension::k2dArray, ast::TexelFormat::kRgba32Float,
ast::Access::kReadWrite);
EXPECT_EQ(s->texel_format(), ast::TexelFormat::kRgba32Float);
}
TEST_F(StorageTextureTest, FriendlyName) {
auto* s = Create(ast::TextureDimension::k2dArray, ast::TexelFormat::kRgba32Float,
ast::Access::kReadWrite);
EXPECT_EQ(s->FriendlyName(Symbols()), "texture_storage_2d_array<rgba32float, read_write>");
}
TEST_F(StorageTextureTest, F32) {
Type* s = Create(ast::TextureDimension::k2dArray, ast::TexelFormat::kRgba32Float,
ast::Access::kReadWrite);
auto program = Build();
ASSERT_TRUE(program.IsValid()) << program.Diagnostics().str();
ASSERT_TRUE(s->Is<Texture>());
ASSERT_TRUE(s->Is<StorageTexture>());
EXPECT_TRUE(s->As<StorageTexture>()->type()->Is<F32>());
}
TEST_F(StorageTextureTest, U32) {
auto* subtype = StorageTexture::SubtypeFor(ast::TexelFormat::kRg32Uint, Types());
Type* s = create<StorageTexture>(ast::TextureDimension::k2dArray, ast::TexelFormat::kRg32Uint,
ast::Access::kReadWrite, subtype);
auto program = Build();
ASSERT_TRUE(program.IsValid()) << program.Diagnostics().str();
ASSERT_TRUE(s->Is<Texture>());
ASSERT_TRUE(s->Is<StorageTexture>());
EXPECT_TRUE(s->As<StorageTexture>()->type()->Is<U32>());
}
TEST_F(StorageTextureTest, I32) {
auto* subtype = StorageTexture::SubtypeFor(ast::TexelFormat::kRgba32Sint, Types());
Type* s = create<StorageTexture>(ast::TextureDimension::k2dArray, ast::TexelFormat::kRgba32Sint,
ast::Access::kReadWrite, subtype);
auto program = Build();
ASSERT_TRUE(program.IsValid()) << program.Diagnostics().str();
ASSERT_TRUE(s->Is<Texture>());
ASSERT_TRUE(s->Is<StorageTexture>());
EXPECT_TRUE(s->As<StorageTexture>()->type()->Is<I32>());
}
} // namespace
} // namespace tint::type