android_surface_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_SURFACE_GL_IMPELLER_H_
#define FLUTTER_SHELL_PLATFORM_ANDROID_ANDROID_SURFACE_GL_IMPELLER_H_
 
#include "flutter/fml/macros.h"
#include "flutter/impeller/renderer/context.h"
#include "flutter/shell/gpu/gpu_surface_gl_delegate.h"
#include "flutter/shell/platform/android/android_context_gl_impeller.h"
#include "flutter/shell/platform/android/surface/android_native_window.h"
#include "flutter/shell/platform/android/surface/android_surface.h"
 
namespace flutter {
 
class AndroidSurfaceGLImpeller final : public GPUSurfaceGLDelegate,
                                       public AndroidSurface {
 public:
  explicit AndroidSurfaceGLImpeller(
      const std::shared_ptr<AndroidContextGLImpeller>& android_context);
 
  // |AndroidSurface|
  ~AndroidSurfaceGLImpeller() override;
 
  // |AndroidSurface|
  bool IsValid() const override;
 
  // |AndroidSurface|
  std::unique_ptr<Surface> CreateGPUSurface(
      GrDirectContext* gr_context) override;
 
  // |AndroidSurface|
  void TeardownOnScreenContext() override;
 
  // |AndroidSurface|
  bool OnScreenSurfaceResize(const SkISize& size) override;
 
  // |AndroidSurface|
  bool ResourceContextMakeCurrent() override;
 
  // |AndroidSurface|
  bool ResourceContextClearCurrent() override;
 
  // |AndroidSurface|
  bool SetNativeWindow(fml::RefPtr<AndroidNativeWindow> window) override;
 
  // |AndroidSurface|
  std::unique_ptr<Surface> CreateSnapshotSurface() override;
 
  // |AndroidSurface|
  std::shared_ptr<impeller::Context> GetImpellerContext() override;
 
  // |GPUSurfaceGLDelegate|
  std::unique_ptr<GLContextResult> GLContextMakeCurrent() override;
 
  // |GPUSurfaceGLDelegate|
  bool GLContextClearCurrent() override;
 
  // |GPUSurfaceGLDelegate|
  SurfaceFrame::FramebufferInfo GLContextFramebufferInfo() const override;
 
  // |GPUSurfaceGLDelegate|
  void GLContextSetDamageRegion(const std::optional<SkIRect>& region) override;
 
  // |GPUSurfaceGLDelegate|
  bool GLContextPresent(const GLPresentInfo& present_info) override;
 
  // |GPUSurfaceGLDelegate|
  GLFBOInfo GLContextFBO(GLFrameInfo frame_info) const override;
 
  // |GPUSurfaceGLDelegate|
  sk_sp<const GrGLInterface> GetGLInterface() const override;
 
 private:
  std::shared_ptr<AndroidContextGLImpeller> android_context_;
  std::unique_ptr<impeller::egl::Surface> onscreen_surface_;
  std::unique_ptr<impeller::egl::Surface> offscreen_surface_;
  fml::RefPtr<AndroidNativeWindow> native_window_;
 
  bool is_valid_ = false;
 
  bool OnGLContextMakeCurrent();
 
  bool RecreateOnscreenSurfaceAndMakeOnscreenContextCurrent();
 
  FML_DISALLOW_COPY_AND_ASSIGN(AndroidSurfaceGLImpeller);
};
 
}  // namespace flutter
 
#endif  // FLUTTER_SHELL_PLATFORM_ANDROID_ANDROID_SURFACE_GL_IMPELLER_H_