android_context_gl_impeller.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_SHELL_PLATFORM_ANDROID_ANDROID_CONTEXT_GL_IMPELLER_H_
#define FLUTTER_SHELL_PLATFORM_ANDROID_ANDROID_CONTEXT_GL_IMPELLER_H_
 
#include "flutter/fml/macros.h"
#include "flutter/impeller/toolkit/egl/display.h"
#include "flutter/shell/platform/android/context/android_context.h"
 
namespace flutter {
 
class AndroidContextGLImpeller : public AndroidContext {
 public:
  AndroidContextGLImpeller(std::unique_ptr<impeller::egl::Display> display,
                           bool enable_gpu_tracing);
 
  ~AndroidContextGLImpeller();
 
  // |AndroidContext|
  bool IsValid() const override;
 
  // |AndroidContext|
  AndroidRenderingAPI RenderingApi() const override;
 
  bool ResourceContextMakeCurrent(impeller::egl::Surface* offscreen_surface);
  bool ResourceContextClearCurrent();
  std::unique_ptr<impeller::egl::Surface> CreateOffscreenSurface();
  bool OnscreenContextMakeCurrent(impeller::egl::Surface* onscreen_surface);
  bool OnscreenContextClearCurrent();
  std::unique_ptr<impeller::egl::Surface> CreateOnscreenSurface(
      EGLNativeWindowType window);
 
 private:
  class ReactorWorker;
 
  std::shared_ptr<ReactorWorker> reactor_worker_;
  std::unique_ptr<impeller::egl::Display> display_;
  std::unique_ptr<impeller::egl::Config> onscreen_config_;
  std::unique_ptr<impeller::egl::Config> offscreen_config_;
  std::unique_ptr<impeller::egl::Context> onscreen_context_;
  std::unique_ptr<impeller::egl::Context> offscreen_context_;
  bool is_valid_ = false;
 
  FML_DISALLOW_COPY_AND_ASSIGN(AndroidContextGLImpeller);
};
 
}  // namespace flutter
 
#endif  // FLUTTER_SHELL_PLATFORM_ANDROID_ANDROID_CONTEXT_GL_IMPELLER_H_