gpu: Add CHROMIUM_schedule_ca_layer

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>
 
@@ skipping 28 matching lines @@
   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,
+                       const gfx::SizeF& bounds_size,
+                       const gfx::Transform& transform) override;
   bool IsSurfaceless() const override;
 
   // ImageTransportSurface implementation
   void OnBufferPresented(
       const AcceleratedSurfaceMsg_BufferPresented_Params& params) override;
   void SetLatencyInfo(const std::vector<ui::LatencyInfo>&) override;
 
   // ui::GpuSwitchingObserver implementation.
   void OnGpuSwitched() override;
 
  private:
   class PendingSwap;
   class OverlayPlane;
 
   ~ImageTransportSurfaceOverlayMac() override;
 
   gfx::SwapResult SwapBuffersInternal(const gfx::Rect& pixel_damage_rect);
 
   void UpdateRootAndPartialDamagePlanes(
       const linked_ptr<OverlayPlane>& new_root_plane,
-      const gfx::RectF& dip_damage_rect);
+      const gfx::RectF& pixel_damage_rect);
   void UpdateOverlayPlanes(
       const std::vector<linked_ptr<OverlayPlane>>& new_overlay_planes);
   void UpdateCALayerTree();
 
   // 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.
@@ skipping 46 matching lines @@
 
   // 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_;
 
+  // Calls to ScheduleCALayer come in back-to-front. This is reset to 1 at each
+  // swap and increments with each call to ScheduleCALayer.
+  int next_ca_layer_z_order_;
+
   base::Timer display_pending_swap_timer_;
   base::WeakPtrFactory<ImageTransportSurfaceOverlayMac> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_IMAGE_TRANSPORT_SURFACE_OVERLAY_MAC_H_