Plumb cc::LatencyInfo through command buffer and output surface

content/common/gpu/image_transport_surface_mac.cc

 // Copyright (c) 2012 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.
 
 #include "content/common/gpu/image_transport_surface.h"
 
 #include "base/mac/scoped_cftyperef.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "ui/gfx/native_widget_types.h"
@@ skipping 42 matching lines @@
   virtual unsigned int GetBackingFrameBufferObject() OVERRIDE;
   virtual bool SetBackbufferAllocation(bool allocated) OVERRIDE;
   virtual void SetFrontbufferAllocation(bool allocated) OVERRIDE;
 
  protected:
   // ImageTransportSurface implementation
   virtual void OnBufferPresented(
       const AcceleratedSurfaceMsg_BufferPresented_Params& params) OVERRIDE;
   virtual void OnResizeViewACK() OVERRIDE;
   virtual void OnResize(gfx::Size size) OVERRIDE;
+  virtual void SetLatencyInfo(const cc::LatencyInfo&) OVERRIDE;
 
  private:
   virtual ~IOSurfaceImageTransportSurface() OVERRIDE;
 
   void AdjustBufferAllocation();
   void UnrefIOSurface();
   void CreateIOSurface();
 
   // Tracks the current buffer allocation state.
   bool backbuffer_suggested_allocation_;
@@ skipping 15 matching lines @@
 
   // Whether or not we've successfully made the surface current once.
   bool made_current_;
 
   // Whether a SwapBuffers is pending.
   bool is_swap_buffers_pending_;
 
   // Whether we unscheduled command buffer because of pending SwapBuffers.
   bool did_unschedule_;
 
+  cc::LatencyInfo latency_info_;
+
   scoped_ptr<ImageTransportHelper> helper_;
 
   DISALLOW_COPY_AND_ASSIGN(IOSurfaceImageTransportSurface);
 };
 
 void AddBooleanValue(CFMutableDictionaryRef dictionary,
                      const CFStringRef key,
                      bool value) {
   CFDictionaryAddValue(dictionary, key,
                        (value ? kCFBooleanTrue : kCFBooleanFalse));
@@ skipping 113 matching lines @@
 
 bool IOSurfaceImageTransportSurface::SwapBuffers() {
   DCHECK(backbuffer_suggested_allocation_);
   if (!frontbuffer_suggested_allocation_)
     return true;
   glFlush();
 
   GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params params;
   params.surface_handle = io_surface_handle_;
   params.size = GetSize();
+  params.latency_info = latency_info_;
   helper_->SendAcceleratedSurfaceBuffersSwapped(params);
 
   DCHECK(!is_swap_buffers_pending_);
   is_swap_buffers_pending_ = true;
   return true;
 }
 
 bool IOSurfaceImageTransportSurface::PostSubBuffer(
     int x, int y, int width, int height) {
   DCHECK(backbuffer_suggested_allocation_);
   if (!frontbuffer_suggested_allocation_)
     return true;
   glFlush();
 
   GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params params;
   params.surface_handle = io_surface_handle_;
   params.x = x;
   params.y = y;
   params.width = width;
   params.height = height;
   params.surface_size = GetSize();
+  params.latency_info = latency_info_;
   helper_->SendAcceleratedSurfacePostSubBuffer(params);
 
   DCHECK(!is_swap_buffers_pending_);
   is_swap_buffers_pending_ = true;
   return true;
 }
 
 std::string IOSurfaceImageTransportSurface::GetExtensions() {
   std::string extensions = gfx::GLSurface::GetExtensions();
   extensions += extensions.empty() ? "" : " ";
@@ skipping 28 matching lines @@
   TRACE_EVENT2("gpu", "IOSurfaceImageTransportSurface::OnResize",
                "old_width", size_.width(), "new_width", size.width());
   // Caching |context_| from OnMakeCurrent. It should still be current.
   DCHECK(context_->IsCurrent(this));
 
   size_ = size;
 
   CreateIOSurface();
 }
 
+void IOSurfaceImageTransportSurface::SetLatencyInfo(
+    const cc::LatencyInfo& latency_info) {
+  latency_info_ = latency_info;
+}
+
 void IOSurfaceImageTransportSurface::UnrefIOSurface() {
   // If we have resources to destroy, then make sure that we have a current
   // context which we can use to delete the resources.
   if (context_ || fbo_id_ || texture_id_) {
     DCHECK(gfx::GLContext::GetCurrent() == context_);
     DCHECK(context_->IsCurrent(this));
     DCHECK(CGLGetCurrentContext());
   }
 
   if (fbo_id_) {
@@ skipping 158 matching lines @@
           manager, stub, surface.get(), false));
   }
 }
 
 // static
 void ImageTransportSurface::SetAllowOSMesaForTesting(bool allow) {
   g_allow_os_mesa = allow;
 }
 
 }  // namespace content