Refactor content/common/gpu into gpu/ipc/service

content/common/gpu/image_transport_surface_overlay_mac.h

-// Copyright 2015 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 CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_OVERLAY_MAC_H_
-#define CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_OVERLAY_MAC_H_
-
-#include <list>
-#include <vector>
-
-#import "base/mac/scoped_nsobject.h"
-#include "base/timer/timer.h"
-#include "content/common/gpu/gpu_command_buffer_stub.h"
-#include "content/common/gpu/image_transport_surface.h"
-#include "ui/base/cocoa/remote_layer_api.h"
-#include "ui/events/latency_info.h"
-#include "ui/gl/gl_surface.h"
-#include "ui/gl/gpu_switching_observer.h"
-
-@class CAContext;
-@class CALayer;
-
-namespace content {
-
-class CALayerTree;
-class CALayerPartialDamageTree;
-
-class ImageTransportSurfaceOverlayMac : public gfx::GLSurface,
-                                        public ui::GpuSwitchingObserver {
- public:
-  ImageTransportSurfaceOverlayMac(GpuChannelManager* manager,
-                                  GpuCommandBufferStub* stub,
-                                  gpu::SurfaceHandle handle);
-
-  // GLSurface implementation
-  bool Initialize(gfx::GLSurface::Format format) override;
-  void Destroy() override;
-  bool Resize(const gfx::Size& size,
-              float scale_factor,
-              bool has_alpha) override;
-  bool IsOffscreen() override;
-  gfx::SwapResult SwapBuffers() override;
-  gfx::SwapResult PostSubBuffer(int x, int y, int width, int height) override;
-  bool SupportsPostSubBuffer() override;
-  gfx::Size GetSize() override;
-  void* GetHandle() override;
-  bool OnMakeCurrent(gfx::GLContext* context) override;
-  bool SetBackbufferAllocation(bool allocated) override;
-  bool ScheduleOverlayPlane(int z_order,
-                            gfx::OverlayTransform transform,
-                            gl::GLImage* image,
-                            const gfx::Rect& bounds_rect,
-                            const gfx::RectF& crop_rect) override;
-  bool ScheduleCALayer(gl::GLImage* contents_image,
-                       const gfx::RectF& contents_rect,
-                       float opacity,
-                       unsigned background_color,
-                       unsigned edge_aa_mask,
-                       const gfx::RectF& rect,
-                       bool is_clipped,
-                       const gfx::RectF& clip_rect,
-                       const gfx::Transform& transform,
-                       int sorting_context_id) override;
-  bool IsSurfaceless() const override;
-
-  // ui::GpuSwitchingObserver implementation.
-  void OnGpuSwitched() override;
-
- private:
-  class PendingSwap;
-  class OverlayPlane;
-
-  ~ImageTransportSurfaceOverlayMac() override;
-
-  void SetLatencyInfo(const std::vector<ui::LatencyInfo>& latency_info);
-  void BufferPresented(int32_t surface_id,
-                       const base::TimeTicks& vsync_timebase,
-                       const base::TimeDelta& vsync_interval);
-  void SendAcceleratedSurfaceBuffersSwapped(
-      int32_t surface_id,
-      CAContextID ca_context_id,
-      const gfx::ScopedRefCountedIOSurfaceMachPort& io_surface,
-      const gfx::Size& size,
-      float scale_factor,
-      std::vector<ui::LatencyInfo> latency_info);
-  gfx::SwapResult SwapBuffersInternal(const gfx::Rect& pixel_damage_rect);
-
-  // Returns true if the front of |pending_swaps_| has completed, or has timed
-  // out by |now|.
-  bool IsFirstPendingSwapReadyToDisplay(
-    const base::TimeTicks& now);
-  // Sets the CALayer contents to the IOSurface for the front of
-  // |pending_swaps_|, and removes it from the queue.
-  void DisplayFirstPendingSwapImmediately();
-  // Force that all of |pending_swaps_| displayed immediately, and the list be
-  // cleared.
-  void DisplayAndClearAllPendingSwaps();
-  // Callback issued during the next vsync period ofter a SwapBuffers call,
-  // to check if the swap is completed, and display the frame. Note that if
-  // another SwapBuffers happens before this callback, the pending swap will
-  // be tested at that time, too.
-  void CheckPendingSwapsCallback();
-  // Function to post the above callback. The argument |now| is passed as an
-  // argument to avoid redundant calls to base::TimeTicks::Now.
-  void PostCheckPendingSwapsCallbackIfNeeded(const base::TimeTicks& now);
-
-  // Return the time of |interval_fraction| of the way through the next
-  // vsync period that starts after |from|. If the vsync parameters are not
-  // valid then return |from|.
-  base::TimeTicks GetNextVSyncTimeAfter(
-      const base::TimeTicks& from, double interval_fraction);
-
-  GpuChannelManager* manager_;
-  base::WeakPtr<GpuCommandBufferStub> stub_;
-  gpu::SurfaceHandle handle_;
-  std::vector<ui::LatencyInfo> latency_info_;
-
-  bool use_remote_layer_api_;
-  base::scoped_nsobject<CAContext> ca_context_;
-  base::scoped_nsobject<CALayer> ca_root_layer_;
-
-  gfx::Size pixel_size_;
-  float scale_factor_;
-
-  // The renderer ID that all contexts made current to this surface should be
-  // targeting.
-  GLint gl_renderer_id_;
-
-  // Planes that have been scheduled, but have not had a subsequent SwapBuffers
-  // call made yet.
-  scoped_ptr<CALayerPartialDamageTree> pending_partial_damage_tree_;
-  scoped_ptr<CALayerTree> pending_ca_layer_tree_;
-
-  // A queue of all frames that have been created by SwapBuffersInternal but
-  // have not yet been displayed. This queue is checked at the beginning of
-  // every swap and also by a callback.
-  std::deque<linked_ptr<PendingSwap>> pending_swaps_;
-
-  // The planes that are currently being displayed on the screen.
-  scoped_ptr<CALayerPartialDamageTree> current_partial_damage_tree_;
-  scoped_ptr<CALayerTree> current_ca_layer_tree_;
-
-  // The time of the last swap was issued. If this is more than two vsyncs, then
-  // use the simpler non-smooth animation path.
-  base::TimeTicks last_swap_time_;
-
-  // The vsync information provided by the browser.
-  bool vsync_parameters_valid_;
-  base::TimeTicks vsync_timebase_;
-  base::TimeDelta vsync_interval_;
-
-  base::Timer display_pending_swap_timer_;
-  base::WeakPtrFactory<ImageTransportSurfaceOverlayMac> weak_factory_;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_OVERLAY_MAC_H_