blimp: Move BlimpCompositor to use delegated rendering.

blimp/client/feature/compositor/blimp_delegating_output_surface.h

-// Copyright 2016 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 BLIMP_CLIENT_FEATURE_COMPOSITOR_BLIMP_DELEGATING_OUTPUT_SURFACE_H_
-#define BLIMP_CLIENT_FEATURE_COMPOSITOR_BLIMP_DELEGATING_OUTPUT_SURFACE_H_
-
-#include "cc/output/output_surface.h"
-#include "cc/output/renderer_settings.h"
-#include "cc/scheduler/begin_frame_source.h"
-#include "cc/surfaces/display.h"
-#include "cc/surfaces/display_client.h"
-#include "cc/surfaces/surface_factory.h"
-#include "cc/surfaces/surface_factory_client.h"
-#include "cc/surfaces/surface_id_allocator.h"
-#include "cc/surfaces/surface_manager.h"
-
-namespace blimp {
-namespace client {
-
-// Delegating output surface that owns and forwards frames to a Display.
-class BlimpDelegatingOutputSurface : public cc::OutputSurface,
-                                     public cc::SurfaceFactoryClient,
-                                     public cc::DisplayClient {
- public:
-  BlimpDelegatingOutputSurface(
-      scoped_refptr<cc::ContextProvider> compositor_context_provider,
-      scoped_refptr<cc::ContextProvider> worker_context_provider,
-      std::unique_ptr<cc::OutputSurface> display_output_surface,
-      gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
-      const cc::RendererSettings& renderer_settings,
-      base::SingleThreadTaskRunner* task_runner);
-  ~BlimpDelegatingOutputSurface() override;
-
-  // OutputSurface implementation.
-  bool BindToClient(cc::OutputSurfaceClient* client) override;
-  void DetachFromClient() override;
-  void SwapBuffers(cc::CompositorFrame frame) override;
-  void ForceReclaimResources() override;
-  void BindFramebuffer() override;
-  uint32_t GetFramebufferCopyTextureFormat() override;
-
-  // SurfaceFactoryClient implementation.
-  void ReturnResources(const cc::ReturnedResourceArray& resources) override;
-  void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override;
-
-  // DisplayClient implementation.
-  void DisplayOutputSurfaceLost() override;
-  void DisplaySetMemoryPolicy(const cc::ManagedMemoryPolicy& policy) override;
-  void DisplayWillDrawAndSwap(bool will_draw_and_swap,
-                              const cc::RenderPassList& render_passes) override;
-  void DisplayDidDrawAndSwap() override;
-
- private:
-  // TODO(danakj): These don't need to be stored in unique_ptrs when
-  // OutputSurface is owned/destroyed on the compositor thread.
-  std::unique_ptr<cc::SurfaceManager> surface_manager_;
-  std::unique_ptr<cc::SurfaceIdAllocator> surface_id_allocator_;
-  cc::SurfaceId delegated_surface_id_;
-
-  // Uses surface_manager_.
-  std::unique_ptr<cc::SurfaceFactory> surface_factory_;
-
-  // Uses surface_manager_.
-  std::unique_ptr<cc::Display> display_;
-};
-
-}  // namespace client
-}  // namespace blimp
-
-#endif  // BLIMP_CLIENT_FEATURE_COMPOSITOR_BLIMP_DELEGATING_OUTPUT_SURFACE_H_