fragment_program.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_LIB_UI_PAINTING_FRAGMENT_PROGRAM_H_
#define FLUTTER_LIB_UI_PAINTING_FRAGMENT_PROGRAM_H_
 
#include "display_list/effects/dl_image_filter.h"
#include "flutter/display_list/effects/dl_runtime_effect.h"
#include "flutter/lib/ui/dart_wrapper.h"
#include "flutter/lib/ui/painting/shader.h"
 
#include "third_party/tonic/dart_library_natives.h"
#include "third_party/tonic/typed_data/typed_list.h"
 
#include <memory>
#include <string>
#include <vector>
 
namespace flutter {
 
class FragmentShader;
 
class FragmentProgram : public RefCountedDartWrappable<FragmentProgram> {
  DEFINE_WRAPPERTYPEINFO();
  FML_FRIEND_MAKE_REF_COUNTED(FragmentProgram);
 
 public:
  ~FragmentProgram() override;
  static void Create(Dart_Handle wrapper);
 
  std::string initFromAsset(const std::string& asset_name);
 
  fml::RefPtr<FragmentShader> shader(Dart_Handle shader,
                                     Dart_Handle uniforms_handle,
                                     Dart_Handle samplers);
 
  std::shared_ptr<DlColorSource> MakeDlColorSource(
      std::shared_ptr<std::vector<uint8_t>> float_uniforms,
      const std::vector<std::shared_ptr<DlColorSource>>& children);
 
  std::shared_ptr<DlImageFilter> MakeDlImageFilter(
      std::shared_ptr<std::vector<uint8_t>> float_uniforms,
      const std::vector<std::shared_ptr<DlColorSource>>& children);
 
 private:
  FragmentProgram();
  sk_sp<DlRuntimeEffect> runtime_effect_;
};
 
}  // namespace flutter
 
#endif  // FLUTTER_LIB_UI_PAINTING_FRAGMENT_PROGRAM_H_