| // 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_TEXTURE_TYPE_H_ |
| #define SRC_AST_TYPE_TEXTURE_TYPE_H_ |
| |
| #include <ostream> |
| #include <string> |
| |
| #include "src/ast/type/type.h" |
| |
| namespace tint { |
| namespace ast { |
| namespace type { |
| |
| class DepthTextureType; |
| class MultisampledTextureType; |
| class SampledTextureType; |
| class StorageTextureType; |
| |
| /// The dimensionality of the texture |
| enum class TextureDimension { |
| /// Invalid texture |
| kNone = -1, |
| /// 1 dimensional texture |
| k1d, |
| /// 1 dimenstional array texture |
| k1dArray, |
| /// 2 dimensional texture |
| k2d, |
| /// 2 dimensional array texture |
| k2dArray, |
| /// 3 dimensional texture |
| k3d, |
| /// cube texture |
| kCube, |
| /// cube array texture |
| kCubeArray, |
| }; |
| std::ostream& operator<<(std::ostream& out, TextureDimension dim); |
| |
| /// A texture type. |
| class TextureType : public Type { |
| public: |
| /// Constructor |
| /// @param dim the dimensionality of the texture |
| explicit TextureType(TextureDimension dim); |
| /// Move constructor |
| TextureType(TextureType&&); |
| ~TextureType() override; |
| |
| /// @returns true if the type is a texture type |
| bool IsTexture() const override; |
| |
| /// @returns the texture dimension |
| TextureDimension dim() const { return dim_; } |
| |
| /// @returns true if this is a depth texture |
| virtual bool IsDepth() const; |
| /// @returns ture if this is a multisampled texture |
| virtual bool IsMultisampled() const; |
| /// @returns true if this is a storage texture |
| virtual bool IsStorage() const; |
| /// @returns true if this is a sampled texture |
| virtual bool IsSampled() const; |
| |
| /// @returns the texture as a depth texture |
| const DepthTextureType* AsDepth() const; |
| /// @returns the texture as a multisampled texture |
| const MultisampledTextureType* AsMultisampled() const; |
| /// @returns the texture as a sampled texture |
| const SampledTextureType* AsSampled() const; |
| /// @returns the texture as a storage texture |
| const StorageTextureType* AsStorage() const; |
| |
| /// @returns the texture as a depth texture |
| DepthTextureType* AsDepth(); |
| /// @returns the texture as a multisampled texture |
| MultisampledTextureType* AsMultisampled(); |
| /// @returns the texture as a sampled texture |
| SampledTextureType* AsSampled(); |
| /// @returns the texture as a storage texture |
| StorageTextureType* AsStorage(); |
| |
| private: |
| TextureDimension dim_ = TextureDimension::k1d; |
| }; |
| |
| } // namespace type |
| } // namespace ast |
| } // namespace tint |
| |
| #endif // SRC_AST_TYPE_TEXTURE_TYPE_H_ |