android_webview/browser/gfx/output_surface_provider_webview.h

// Copyright 2019 The Chromium 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 ANDROID_WEBVIEW_BROWSER_GFX_OUTPUT_SURFACE_PROVIDER_WEBVIEW_H_
#define ANDROID_WEBVIEW_BROWSER_GFX_OUTPUT_SURFACE_PROVIDER_WEBVIEW_H_

#include <memory>

#include "android_webview/browser/gfx/aw_gl_surface.h"
#include "base/memory/ref_counted.h"
#include "components/viz/common/display/renderer_settings.h"
#include "gpu/command_buffer/service/shared_context_state.h"
#include "gpu/ipc/gpu_task_scheduler_helper.h"

namespace gpu {
class SharedContextState;
}

namespace viz {
class OutputSurface;
}

namespace android_webview {

class AwVulkanContextProvider;

// Effectively a data struct to pass pointers from render thread to viz thread.
class OutputSurfaceProviderWebView {
 public:
  explicit OutputSurfaceProviderWebView(
      AwVulkanContextProvider* vulkan_context_provider);
  ~OutputSurfaceProviderWebView();

  std::unique_ptr<viz::DisplayCompositorMemoryAndTaskController>
  CreateDisplayController();
  std::unique_ptr<viz::OutputSurface> CreateOutputSurface(
      viz::DisplayCompositorMemoryAndTaskController*
          display_compositor_controller);

  const viz::RendererSettings& renderer_settings() const {
    return renderer_settings_;
  }
  const viz::DebugRendererSettings* debug_settings() const {
    return &debug_settings_;
  }
  scoped_refptr<AwGLSurface> gl_surface() const { return gl_surface_; }
  scoped_refptr<gpu::SharedContextState> shared_context_state() const {
    return shared_context_state_;
  }
  bool enable_shared_image() const { return enable_shared_image_; }

 private:
  void InitializeContext();

  AwVulkanContextProvider* const vulkan_context_provider_;
  // The member variables are effectively const after constructor, so it's safe
  // to call accessors on different threads.
  viz::RendererSettings renderer_settings_;
  viz::DebugRendererSettings debug_settings_;
  scoped_refptr<AwGLSurface> gl_surface_;
  scoped_refptr<gpu::SharedContextState> shared_context_state_;
  bool enable_shared_image_;
  bool enable_vulkan_;
};

}  // namespace android_webview

#endif  // ANDROID_WEBVIEW_BROWSER_GFX_OUTPUT_SURFACE_PROVIDER_WEBVIEW_H_