Add reference-counting for mailbox textures.

content/browser/renderer_host/image_transport_factory.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/browser/renderer_host/image_transport_factory.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/observer_list.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/threading/non_thread_safe.h"
 #include "cc/output/output_surface.h"
 #include "cc/output/output_surface_client.h"
 #include "content/browser/gpu/browser_gpu_channel_host_factory.h"
 #include "content/browser/gpu/gpu_data_manager_impl.h"
 #include "content/browser/gpu/gpu_process_host.h"
+#include "content/browser/gpu/gpu_process_host_ui_shim.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/common/gpu/client/gl_helper.h"
 #include "content/common/gpu/client/gpu_channel_host.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
 #include "content/common/webkitplatformsupport_impl.h"
 #include "content/public/common/content_switches.h"
 #include "gpu/GLES2/gl2extchromium.h"
@@ skipping 28 matching lines @@
 
   virtual ui::ContextFactory* AsContextFactory() OVERRIDE {
     return context_factory_.get();
   }
 
   virtual gfx::GLSurfaceHandle CreateSharedSurfaceHandle() OVERRIDE {
     return gfx::GLSurfaceHandle();
   }
 
   virtual void DestroySharedSurfaceHandle(
-      gfx::GLSurfaceHandle surface) OVERRIDE {
+      gfx::GLSurfaceHandle surface, int surface_id) OVERRIDE {
   }
 
   virtual scoped_refptr<ui::Texture> CreateTransportClient(
       float device_scale_factor) OVERRIDE {
     return NULL;
   }
 
   virtual scoped_refptr<ui::Texture> CreateOwnedTexture(
       const gfx::Size& size,
       float device_scale_factor,
@@ skipping 345 matching lines @@
     gfx::GLSurfaceHandle handle = gfx::GLSurfaceHandle(
         gfx::kNullPluginWindow, gfx::TEXTURE_TRANSPORT);
     handle.parent_gpu_process_id =
         shared_contexts_main_thread_->Context3d()->GetGPUProcessID();
     handle.parent_client_id =
         shared_contexts_main_thread_->Context3d()->GetChannelID();
     return handle;
   }
 
   virtual void DestroySharedSurfaceHandle(
-      gfx::GLSurfaceHandle surface) OVERRIDE {
+      gfx::GLSurfaceHandle surface, int surface_id) OVERRIDE {
+    int gpu_host_id =
+        shared_contexts_main_thread_->Context3d()->GetGPUProcessID();
+    int client_id = shared_contexts_main_thread_->Context3d()->GetChannelID();
+    int route_id = shared_contexts_main_thread_->Context3d()->GetContextID();
+    GpuProcessHostUIShim* ui_shim =
+        GpuProcessHostUIShim::FromID(gpu_host_id);
+    if (ui_shim)
+      ui_shim->Send(new GpuMsg_DestroySurface(client_id, route_id, surface_id));
   }
 
   virtual scoped_refptr<ui::Texture> CreateTransportClient(
       float device_scale_factor) OVERRIDE {
     if (!shared_contexts_main_thread_)
         return NULL;
     scoped_refptr<ImageTransportClientTexture> image(
         new ImageTransportClientTexture(
             shared_contexts_main_thread_->Context3d(),
             device_scale_factor));
@@ skipping 319 matching lines @@
   delete g_factory;
   g_factory = NULL;
 }
 
 // static
 ImageTransportFactory* ImageTransportFactory::GetInstance() {
   return g_factory;
 }
 
 }  // namespace content