| // 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. |
| |
| #ifndef SRC_AST_TYPE_STORAGE_TEXTURE_TYPE_H_ |
| #define SRC_AST_TYPE_STORAGE_TEXTURE_TYPE_H_ |
| |
| #include <string> |
| |
| #include "src/ast/type/texture_type.h" |
| |
| namespace tint { |
| namespace ast { |
| namespace type { |
| |
| /// The access value of the storage texture |
| enum class StorageAccess { kRead, kWrite }; |
| std::ostream& operator<<(std::ostream& out, StorageAccess dim); |
| |
| /// The image format in the storage texture |
| enum class ImageFormat { |
| kR8Unorm, |
| kR8Snorm, |
| kR8Uint, |
| kR8Sint, |
| kR16Uint, |
| kR16Sint, |
| kR16Float, |
| kRg8Unorm, |
| kRg8Snorm, |
| kRg8Uint, |
| kRg8Sint, |
| kR32Uint, |
| kR32Sint, |
| kR32Float, |
| kRg16Uint, |
| kRg16Sint, |
| kRg16Float, |
| kRgba8Unorm, |
| kRgba8UnormSrgb, |
| kRgba8Snorm, |
| kRgba8Uint, |
| kRgba8Sint, |
| kBgra8Unorm, |
| kBgra8UnormSrgb, |
| kRgb10A2Unorm, |
| kRg11B10Float, |
| kRg32Uint, |
| kRg32Sint, |
| kRg32Float, |
| kRgba16Uint, |
| kRgba16Sint, |
| kRgba16Float, |
| kRgba32Uint, |
| kRgba32Sint, |
| kRgba32Float, |
| }; |
| std::ostream& operator<<(std::ostream& out, ImageFormat dim); |
| |
| /// A storage texture type. |
| class StorageTextureType : public TextureType { |
| public: |
| /// Constructor |
| /// @param dim the dimensionality of the texture |
| /// @param access the access type for the texture |
| /// @param format the image format of the texture |
| StorageTextureType(TextureDimension dim, |
| StorageAccess access, |
| ImageFormat format); |
| |
| /// Move constructor |
| StorageTextureType(StorageTextureType&&); |
| ~StorageTextureType() override; |
| |
| /// @returns true if the type is a storage texture type |
| bool IsStorage() const override; |
| |
| /// @param type the subtype of the storage texture |
| void set_type(Type* const type); |
| |
| /// @returns the subtype of the storage texture set with set_type |
| Type* type() const; |
| |
| /// @returns the storage access |
| StorageAccess access() const { return storage_access_; } |
| |
| /// @returns the image format |
| ImageFormat image_format() const { return image_format_; } |
| |
| /// @returns the name for this type |
| std::string type_name() const override; |
| |
| private: |
| Type* type_ = nullptr; |
| StorageAccess storage_access_ = StorageAccess::kRead; |
| ImageFormat image_format_ = ImageFormat::kRgba32Float; |
| }; |
| |
| } // namespace type |
| } // namespace ast |
| } // namespace tint |
| |
| #endif // SRC_AST_TYPE_STORAGE_TEXTURE_TYPE_H_ |