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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/sem/depth_texture.h"
#include "src/tint/program_builder.h"
#include "src/tint/utils/hash.h"
TINT_INSTANTIATE_TYPEINFO(tint::sem::DepthTexture);
namespace tint::sem {
namespace {
bool IsValidDepthDimension(ast::TextureDimension dim) {
return dim == ast::TextureDimension::k2d || dim == ast::TextureDimension::k2dArray ||
dim == ast::TextureDimension::kCube || dim == ast::TextureDimension::kCubeArray;
}
} // namespace
DepthTexture::DepthTexture(ast::TextureDimension dim) : Base(dim) {
TINT_ASSERT(Semantic, IsValidDepthDimension(dim));
}
DepthTexture::DepthTexture(DepthTexture&&) = default;
DepthTexture::~DepthTexture() = default;
size_t DepthTexture::Hash() const {
return utils::Hash(TypeInfo::Of<DepthTexture>().full_hashcode, dim());
}
bool DepthTexture::Equals(const sem::Type& other) const {
if (auto* o = other.As<DepthTexture>()) {
return o->dim() == dim();
}
return false;
}
std::string DepthTexture::FriendlyName(const SymbolTable&) const {
std::ostringstream out;
out << "texture_depth_" << dim();
return out.str();
}
} // namespace tint::sem