dl_runtime_effect.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_DISPLAY_LIST_EFFECTS_DL_RUNTIME_EFFECT_H_
#define FLUTTER_DISPLAY_LIST_EFFECTS_DL_RUNTIME_EFFECT_H_
 
#include <memory>
 
#include "flutter/fml/macros.h"
#include "flutter/impeller/runtime_stage/runtime_stage.h"
 
#include "third_party/skia/include/core/SkRefCnt.h"
#include "third_party/skia/include/effects/SkRuntimeEffect.h"
 
namespace flutter {
 
class DlRuntimeEffect : public SkRefCnt {
 public:
  static sk_sp<DlRuntimeEffect> MakeSkia(
      const sk_sp<SkRuntimeEffect>& runtime_effect);
 
  static sk_sp<DlRuntimeEffect> MakeImpeller(
      std::shared_ptr<impeller::RuntimeStage> runtime_stage);
 
  virtual sk_sp<SkRuntimeEffect> skia_runtime_effect() const = 0;
 
  virtual std::shared_ptr<impeller::RuntimeStage> runtime_stage() const = 0;
 
 protected:
  DlRuntimeEffect();
  virtual ~DlRuntimeEffect();
 
 private:
  FML_DISALLOW_COPY_AND_ASSIGN(DlRuntimeEffect);
};
 
class DlRuntimeEffectSkia final : public DlRuntimeEffect {
 public:
  explicit DlRuntimeEffectSkia(const sk_sp<SkRuntimeEffect>& runtime_effect);
 
  // |DlRuntimeEffect|
  sk_sp<SkRuntimeEffect> skia_runtime_effect() const override;
 
  // |DlRuntimeEffect|
  std::shared_ptr<impeller::RuntimeStage> runtime_stage() const override;
 
 private:
  DlRuntimeEffectSkia() = delete;
  // |DlRuntimeEffect|
  ~DlRuntimeEffectSkia() override;
 
  sk_sp<SkRuntimeEffect> skia_runtime_effect_;
 
  FML_DISALLOW_COPY_AND_ASSIGN(DlRuntimeEffectSkia);
 
  friend DlRuntimeEffect;
};
 
class DlRuntimeEffectImpeller final : public DlRuntimeEffect {
 public:
  explicit DlRuntimeEffectImpeller(
      std::shared_ptr<impeller::RuntimeStage> runtime_stage);
 
  // |DlRuntimeEffect|
  sk_sp<SkRuntimeEffect> skia_runtime_effect() const override;
 
  // |DlRuntimeEffect|
  std::shared_ptr<impeller::RuntimeStage> runtime_stage() const override;
 
 private:
  DlRuntimeEffectImpeller() = delete;
  // |DlRuntimeEffect|
  ~DlRuntimeEffectImpeller() override;
 
  std::shared_ptr<impeller::RuntimeStage> runtime_stage_;
 
  FML_DISALLOW_COPY_AND_ASSIGN(DlRuntimeEffectImpeller);
 
  friend DlRuntimeEffect;
};
 
}  // namespace flutter
 
#endif  // FLUTTER_DISPLAY_LIST_EFFECTS_DL_RUNTIME_EFFECT_H_