playground_impl.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_PLAYGROUND_PLAYGROUND_IMPL_H_
#define FLUTTER_IMPELLER_PLAYGROUND_PLAYGROUND_IMPL_H_
 
#include <functional>
#include <memory>
 
#include "impeller/playground/playground.h"
#include "impeller/playground/switches.h"
#include "impeller/renderer/context.h"
#include "impeller/renderer/surface.h"
 
namespace impeller {
 
class PlaygroundImpl {
 public:
  static std::unique_ptr<PlaygroundImpl> Create(PlaygroundBackend backend,
                                                PlaygroundSwitches switches);
 
  virtual ~PlaygroundImpl();
 
  using WindowHandle = void*;
 
  virtual WindowHandle GetWindowHandle() const = 0;
 
  virtual std::shared_ptr<Context> GetContext() const = 0;
 
  virtual std::unique_ptr<Surface> AcquireSurfaceFrame(
      std::shared_ptr<Context> context) = 0;
 
  Vector2 GetContentScale() const;
 
  virtual fml::Status SetCapabilities(
      const std::shared_ptr<Capabilities>& capabilities) = 0;
 
  virtual Playground::GLProcAddressResolver CreateGLProcAddressResolver() const;
 
  virtual Playground::VKProcAddressResolver CreateVKProcAddressResolver() const;
 
  virtual void SetGPUDisabled(bool disabled) const {}
 
 protected:
  const PlaygroundSwitches switches_;
 
  explicit PlaygroundImpl(PlaygroundSwitches switches);
 
 private:
  PlaygroundImpl(const PlaygroundImpl&) = delete;
 
  PlaygroundImpl& operator=(const PlaygroundImpl&) = delete;
};
 
}  // namespace impeller
 
#endif  // FLUTTER_IMPELLER_PLAYGROUND_PLAYGROUND_IMPL_H_