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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/storage_texture.h"
#include "src/tint/ast/test_helper.h"
namespace tint::ast {
namespace {
using AstStorageTextureTest = TestHelper;
TEST_F(AstStorageTextureTest, IsTexture) {
auto* subtype = StorageTexture::SubtypeFor(TexelFormat::kRgba32Float, *this);
Texture* ty = create<StorageTexture>(TextureDimension::k2dArray, TexelFormat::kRgba32Float,
subtype, Access::kRead);
EXPECT_FALSE(ty->Is<DepthTexture>());
EXPECT_FALSE(ty->Is<SampledTexture>());
EXPECT_TRUE(ty->Is<StorageTexture>());
}
TEST_F(AstStorageTextureTest, Dim) {
auto* subtype = StorageTexture::SubtypeFor(TexelFormat::kRgba32Float, *this);
auto* s = create<StorageTexture>(TextureDimension::k2dArray, TexelFormat::kRgba32Float, subtype,
Access::kRead);
EXPECT_EQ(s->dim, TextureDimension::k2dArray);
}
TEST_F(AstStorageTextureTest, Format) {
auto* subtype = StorageTexture::SubtypeFor(TexelFormat::kRgba32Float, *this);
auto* s = create<StorageTexture>(TextureDimension::k2dArray, TexelFormat::kRgba32Float, subtype,
Access::kRead);
EXPECT_EQ(s->format, TexelFormat::kRgba32Float);
}
TEST_F(AstStorageTextureTest, FriendlyName) {
auto* subtype = StorageTexture::SubtypeFor(TexelFormat::kRgba32Float, *this);
auto* s = create<StorageTexture>(TextureDimension::k2dArray, TexelFormat::kRgba32Float, subtype,
Access::kRead);
EXPECT_EQ(s->FriendlyName(Symbols()), "texture_storage_2d_array<rgba32float, read>");
}
TEST_F(AstStorageTextureTest, F32) {
auto* subtype = StorageTexture::SubtypeFor(TexelFormat::kRgba32Float, *this);
Type* s = create<StorageTexture>(TextureDimension::k2dArray, TexelFormat::kRgba32Float, subtype,
Access::kRead);
ASSERT_TRUE(s->Is<Texture>());
ASSERT_TRUE(s->Is<StorageTexture>());
EXPECT_TRUE(s->As<StorageTexture>()->type->Is<F32>());
}
TEST_F(AstStorageTextureTest, U32) {
auto* subtype = StorageTexture::SubtypeFor(TexelFormat::kRg32Uint, *this);
Type* s = create<StorageTexture>(TextureDimension::k2dArray, TexelFormat::kRg32Uint, subtype,
Access::kRead);
ASSERT_TRUE(s->Is<Texture>());
ASSERT_TRUE(s->Is<StorageTexture>());
EXPECT_TRUE(s->As<StorageTexture>()->type->Is<U32>());
}
TEST_F(AstStorageTextureTest, I32) {
auto* subtype = StorageTexture::SubtypeFor(TexelFormat::kRgba32Sint, *this);
Type* s = create<StorageTexture>(TextureDimension::k2dArray, TexelFormat::kRgba32Sint, subtype,
Access::kRead);
ASSERT_TRUE(s->Is<Texture>());
ASSERT_TRUE(s->Is<StorageTexture>());
EXPECT_TRUE(s->As<StorageTexture>()->type->Is<I32>());
}
} // namespace
} // namespace tint::ast