gpu: Add support for GLX_EXT_texture_from_pixmap extension.

content/common/gpu/gpu_channel_manager.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_
 
+#include <deque>
 #include <vector>
 
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop_proxy.h"
 #include "build/build_config.h"
 #include "content/common/gpu/gpu_memory_manager.h"
 #include "ipc/ipc_listener.h"
@@ skipping 71 matching lines @@
 
   GpuMemoryManager* gpu_memory_manager() { return &gpu_memory_manager_; }
 
   GpuChannel* LookupChannel(int32 client_id);
 
   SyncPointManager* sync_point_manager() { return sync_point_manager_; }
 
   gfx::GLSurface* GetDefaultOffscreenSurface();
 
  private:
+  struct ImageOperation {
+    ImageOperation(int32 sync_point, base::Closure callback);
+    ~ImageOperation();
+
+    int32 sync_point;
+    base::Closure callback;
+  };
+  typedef base::hash_map<int, scoped_refptr<GpuChannel> > GpuChannelMap;
+  typedef std::deque<ImageOperation*> ImageOperationQueue;
+
   // Message handlers.
   void OnEstablishChannel(int client_id, bool share_context);
   void OnCloseChannel(const IPC::ChannelHandle& channel_handle);
   void OnVisibilityChanged(
       int32 render_view_id, int32 client_id, bool visible);
   void OnCreateViewCommandBuffer(
       const gfx::GLSurfaceHandle& window,
       int32 render_view_id,
       int32 client_id,
       const GPUCreateCommandBufferConfig& init_params);
+  void CreateImage(
+      gfx::PluginWindowHandle window, int32 client_id, int32 image_id);
+  void OnCreateImage(
+      gfx::PluginWindowHandle window, int32 client_id, int32 image_id);
+  void DeleteImage(int32 client_id, int32 image_id);
+  void OnDeleteImage(int32 client_id, int32 image_id, int32 sync_point);
+  void OnDeleteImageSyncPointRetired(ImageOperation*);
 
   void OnLoseAllContexts();
 
   scoped_refptr<base::MessageLoopProxy> io_message_loop_;
   base::WaitableEvent* shutdown_event_;
 
   // Used to send and receive IPC messages from the browser process.
   ChildThread* gpu_child_thread_;
 
   // These objects manage channels to individual renderer processes there is
   // one channel for each renderer process that has connected to this GPU
   // process.
-  typedef base::hash_map<int, scoped_refptr<GpuChannel> > GpuChannelMap;
   GpuChannelMap gpu_channels_;
   scoped_refptr<gfx::GLShareGroup> share_group_;
   scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
   GpuMemoryManager gpu_memory_manager_;
   GpuWatchdog* watchdog_;
   scoped_refptr<SyncPointManager> sync_point_manager_;
   scoped_ptr<gpu::gles2::ProgramCache> program_cache_;
   scoped_refptr<gfx::GLSurface> default_offscreen_surface_;
+  ImageOperationQueue image_operations_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelManager);
 };
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_