| // Copyright 2013 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include <Metal/Metal.h> |
| |
| #include "flutter/fml/macros.h" |
| #include "impeller/base/backend_cast.h" |
| #include "impeller/renderer/shader_function.h" |
| |
| namespace impeller { |
| |
| class ShaderFunctionMTL final |
| : public ShaderFunction, |
| public BackendCast<ShaderFunctionMTL, ShaderFunction> { |
| public: |
| // |ShaderFunction| |
| ~ShaderFunctionMTL() override; |
| |
| id<MTLFunction> GetMTLFunction() const; |
| |
| using CompileCallback = std::function<void(id<MTLFunction>)>; |
| |
| void GetMTLFunctionSpecialized(const std::vector<Scalar>& constants, |
| const CompileCallback& callback) const; |
| |
| private: |
| friend class ShaderLibraryMTL; |
| |
| id<MTLFunction> function_ = nullptr; |
| id<MTLLibrary> library_ = nullptr; |
| |
| ShaderFunctionMTL(UniqueID parent_library_id, |
| id<MTLFunction> function, |
| id<MTLLibrary> library, |
| std::string name, |
| ShaderStage stage); |
| |
| ShaderFunctionMTL(const ShaderFunctionMTL&) = delete; |
| |
| ShaderFunctionMTL& operator=(const ShaderFunctionMTL&) = delete; |
| }; |
| |
| } // namespace impeller |