Splitting GpuMemoryAllocation into two parts: for renderer and browser

content/common/gpu/client/command_buffer_proxy.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/client/command_buffer_proxy.h"
 
 #include "base/callback.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/process_util.h"
@@ skipping 80 matching lines @@
 }
 
 void CommandBufferProxy::OnConsoleMessage(
     const GPUCommandBufferConsoleMessage& message) {
   if (!console_message_callback_.is_null()) {
     console_message_callback_.Run(message.message, message.id);
   }
 }
 
 void CommandBufferProxy::SetMemoryAllocationChangedCallback(
-    const base::Callback<void(const GpuMemoryAllocation&)>& callback) {
+    const base::Callback<void(const GpuMemoryAllocationForRenderer&)>&
+        callback) {
   memory_allocation_changed_callback_ = callback;
 }
 
 void CommandBufferProxy::OnSetMemoryAllocation(
-    const GpuMemoryAllocation& allocation) {
+    const GpuMemoryAllocationForRenderer& allocation) {
   if (!memory_allocation_changed_callback_.is_null())
     memory_allocation_changed_callback_.Run(allocation);
+
+  if (allocation.suggest_have_backbuffer)

[mmocny, 2012/03/15 19:11:43]

Send right away for now, but should be done via GraphicsContext extension, and
initiated by the compositor.

+    Send(new GpuCommandBufferMsg_CreateBackbuffer(route_id_));
+  else
+    Send(new GpuCommandBufferMsg_DestroyBackbuffer(route_id_));
 }
 
 void CommandBufferProxy::SetChannelErrorCallback(
     const base::Closure& callback) {
   channel_error_callback_ = callback;
 }
 
 bool CommandBufferProxy::Initialize() {
   bool result;
   if (!Send(new GpuCommandBufferMsg_Initialize(route_id_, &result))) {
@@ skipping 237 matching lines @@
 
   echo_tasks_.push(callback);
 
   return true;
 }
 
 bool CommandBufferProxy::SetSurfaceVisible(bool visible) {
   if (last_state_.error != gpu::error::kNoError)
     return false;
 
-  return Send(new GpuCommandBufferMsg_SetSurfaceVisible(route_id_, visible));
+  bool ret = Send(new GpuCommandBufferMsg_SetSurfaceVisible(
+      route_id_, visible));
+  if (visible)
+    Send(new GpuCommandBufferMsg_CreateBackbuffer(route_id_));
+  else
+    Send(new GpuCommandBufferMsg_DestroyBackbuffer(route_id_));
+  return ret;
 }
 
 bool CommandBufferProxy::SetParent(CommandBufferProxy* parent_command_buffer,
                                    uint32 parent_texture_id) {
   if (last_state_.error != gpu::error::kNoError)
     return false;
 
   bool result;
   if (parent_command_buffer) {
     if (!Send(new GpuCommandBufferMsg_SetParent(
@@ skipping 77 matching lines @@
 
 void CommandBufferProxy::SetOnConsoleMessageCallback(
     const GpuConsoleMessageCallback& callback) {
   console_message_callback_ = callback;
 }
 
 void CommandBufferProxy::TryUpdateState() {
   if (last_state_.error == gpu::error::kNoError)
     shared_state_->Read(&last_state_);
 }