shader_function.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.
 
#ifndef FLUTTER_IMPELLER_RENDERER_SHADER_FUNCTION_H_
#define FLUTTER_IMPELLER_RENDERER_SHADER_FUNCTION_H_
 
#include <string>
#include "flutter/fml/hash_combine.h"
#include "flutter/fml/macros.h"
#include "impeller/base/comparable.h"
#include "impeller/core/shader_types.h"
 
namespace impeller {
 
class ShaderFunction : public Comparable<ShaderFunction> {
 public:
  // |Comparable<ShaderFunction>|
  virtual ~ShaderFunction();
 
  ShaderStage GetStage() const;
 
  const std::string& GetName() const;
 
  // |Comparable<ShaderFunction>|
  std::size_t GetHash() const override;
 
  // |Comparable<ShaderFunction>|
  bool IsEqual(const ShaderFunction& other) const override;
 
 protected:
  ShaderFunction(UniqueID parent_library_id,
                 std::string name,
                 ShaderStage stage);
 
 private:
  UniqueID parent_library_id_;
  std::string name_;
  ShaderStage stage_;
 
  ShaderFunction(const ShaderFunction&) = delete;
 
  ShaderFunction& operator=(const ShaderFunction&) = delete;
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_RENDERER_SHADER_FUNCTION_H_