gpu_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_GPU_GPU_SURFACE_GL_IMPELLER_H_
#define FLUTTER_SHELL_GPU_GPU_SURFACE_GL_IMPELLER_H_
 
#include "flutter/common/graphics/gl_context_switch.h"
#include "flutter/flow/surface.h"
#include "flutter/fml/macros.h"
#include "flutter/fml/memory/weak_ptr.h"
#include "flutter/impeller/aiks/aiks_context.h"
#include "flutter/impeller/renderer/context.h"
#include "flutter/shell/gpu/gpu_surface_gl_delegate.h"
#include "impeller/renderer/renderer.h"
 
namespace flutter {
 
class GPUSurfaceGLImpeller final : public Surface {
 public:
  explicit GPUSurfaceGLImpeller(GPUSurfaceGLDelegate* delegate,
                                std::shared_ptr<impeller::Context> context,
                                bool render_to_surface);
 
  // |Surface|
  ~GPUSurfaceGLImpeller() override;
 
  // |Surface|
  bool IsValid() override;
 
 private:
  GPUSurfaceGLDelegate* delegate_ = nullptr;
  std::shared_ptr<impeller::Context> impeller_context_;
  bool render_to_surface_ = true;
  std::shared_ptr<impeller::Renderer> impeller_renderer_;
  std::shared_ptr<impeller::AiksContext> aiks_context_;
  bool is_valid_ = false;
  fml::TaskRunnerAffineWeakPtrFactory<GPUSurfaceGLImpeller> weak_factory_;
 
  // |Surface|
  std::unique_ptr<SurfaceFrame> AcquireFrame(const SkISize& size) override;
 
  // |Surface|
  SkMatrix GetRootTransformation() const override;
 
  // |Surface|
  GrDirectContext* GetContext() override;
 
  // |Surface|
  std::unique_ptr<GLContextResult> MakeRenderContextCurrent() override;
 
  // |Surface|
  bool ClearRenderContext() override;
 
  // |Surface|
  bool AllowsDrawingWhenGpuDisabled() const override;
 
  // |Surface|
  bool EnableRasterCache() const override;
 
  // |Surface|
  std::shared_ptr<impeller::AiksContext> GetAiksContext() const override;
 
  FML_DISALLOW_COPY_AND_ASSIGN(GPUSurfaceGLImpeller);
};
 
}  // namespace flutter
 
#endif  // FLUTTER_SHELL_GPU_GPU_SURFACE_GL_IMPELLER_H_