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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/storage_texture.h"
#include "src/tint/program_builder.h"
#include "src/tint/utils/hash.h"
TINT_INSTANTIATE_TYPEINFO(tint::sem::StorageTexture);
namespace tint::sem {
StorageTexture::StorageTexture(ast::TextureDimension dim,
ast::TexelFormat format,
ast::Access access,
sem::Type* subtype)
: Base(dim), texel_format_(format), access_(access), subtype_(subtype) {}
StorageTexture::StorageTexture(StorageTexture&&) = default;
StorageTexture::~StorageTexture() = default;
size_t StorageTexture::Hash() const {
return utils::Hash(TypeInfo::Of<StorageTexture>().full_hashcode, dim(), texel_format_, access_);
}
bool StorageTexture::Equals(const sem::Type& other) const {
if (auto* o = other.As<StorageTexture>()) {
return o->dim() == dim() && o->texel_format_ == texel_format_ && o->access_ == access_;
}
return false;
}
std::string StorageTexture::FriendlyName(const SymbolTable&) const {
std::ostringstream out;
out << "texture_storage_" << dim() << "<" << texel_format_ << ", " << access_ << ">";
return out.str();
}
sem::Type* StorageTexture::SubtypeFor(ast::TexelFormat format, sem::TypeManager& type_mgr) {
switch (format) {
case ast::TexelFormat::kR32Uint:
case ast::TexelFormat::kRgba8Uint:
case ast::TexelFormat::kRg32Uint:
case ast::TexelFormat::kRgba16Uint:
case ast::TexelFormat::kRgba32Uint: {
return type_mgr.Get<sem::U32>();
}
case ast::TexelFormat::kR32Sint:
case ast::TexelFormat::kRgba8Sint:
case ast::TexelFormat::kRg32Sint:
case ast::TexelFormat::kRgba16Sint:
case ast::TexelFormat::kRgba32Sint: {
return type_mgr.Get<sem::I32>();
}
case ast::TexelFormat::kRgba8Unorm:
case ast::TexelFormat::kRgba8Snorm:
case ast::TexelFormat::kR32Float:
case ast::TexelFormat::kRg32Float:
case ast::TexelFormat::kRgba16Float:
case ast::TexelFormat::kRgba32Float: {
return type_mgr.Get<sem::F32>();
}
case ast::TexelFormat::kUndefined:
break;
}
return nullptr;
}
} // namespace tint::sem