shader_function_mtl.h

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// 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;
 
 private:
  friend class ShaderLibraryMTL;
 
  id<MTLFunction> function_ = nullptr;
 
  ShaderFunctionMTL(UniqueID parent_library_id,
                    id<MTLFunction> function,
                    std::string name,
                    ShaderStage stage);
 
  FML_DISALLOW_COPY_AND_ASSIGN(ShaderFunctionMTL);
};
 
}  // namespace impeller