Plumb cc::LatencyInfo through command buffer and output surface

content/common/gpu/texture_image_transport_surface.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/texture_image_transport_surface.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 183 matching lines @@
   // resources we allocated in the stub's context.
   if (fbo_id_) {
     glDeleteFramebuffersEXT(1, &fbo_id_);
     CHECK_GL_ERROR();
     fbo_id_ = 0;
   }
 
   stub_destroyed_ = true;
 }
 
+void TextureImageTransportSurface::SetLatencyInfo(
+    const cc::LatencyInfo& latency_info) {
+  latency_info_ = latency_info;
+}
+
 bool TextureImageTransportSurface::SwapBuffers() {
   DCHECK(backbuffer_suggested_allocation_);
+
   if (!frontbuffer_suggested_allocation_)
     return true;
 
   if (!backbuffer_.service_id) {
     LOG(ERROR) << "Swap without valid backing.";
     return true;
   }
 
   DCHECK(backbuffer_.size == current_size_);
   GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params params;
   params.size = backbuffer_.size;
   const MailboxName& name = backbuffer_.mailbox_name;
   params.mailbox_name.assign(
       reinterpret_cast<const char*>(&name), sizeof(name));
 
   glFlush();
   ProduceTexture(&backbuffer_);
 
   // Do not allow destruction while we are still waiting for a swap ACK,
   // so we do not leak a texture in the mailbox.
   AddRef();
 
+  params.latency_info = latency_info_;
   helper_->SendAcceleratedSurfaceBuffersSwapped(params);
 
   DCHECK(!is_swap_buffers_pending_);
   is_swap_buffers_pending_ = true;
   return true;
 }
 
 bool TextureImageTransportSurface::PostSubBuffer(
     int x, int y, int width, int height) {
   DCHECK(backbuffer_suggested_allocation_);
@@ skipping 22 matching lines @@
   params.mailbox_name.assign(
       reinterpret_cast<const char*>(&name), sizeof(name));
 
   glFlush();
   ProduceTexture(&backbuffer_);
 
   // Do not allow destruction while we are still waiting for a swap ACK,
   // so we do not leak a texture in the mailbox.
   AddRef();
 
+  params.latency_info = latency_info_;
   helper_->SendAcceleratedSurfacePostSubBuffer(params);
 
   DCHECK(!is_swap_buffers_pending_);
   is_swap_buffers_pending_ = true;
   return true;
 }
 
 std::string TextureImageTransportSurface::GetExtensions() {
   std::string extensions = gfx::GLSurface::GetExtensions();
   extensions += extensions.empty() ? "" : " ";
@@ skipping 211 matching lines @@
       GL_TEXTURE_2D,
       texture->mailbox_name,
       definition.release(),
       NULL);
   DCHECK(success);
   texture->service_id = 0;
   texture->mailbox_name = MailboxName();
 }
 
 }  // namespace content