gpu: Add support for GLX_EXT_texture_from_pixmap extension.

content/browser/gpu/gpu_process_host.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_BROWSER_GPU_GPU_PROCESS_HOST_H_
 #define CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_
 
 #include <map>
 #include <queue>
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/linked_ptr.h"
 #include "base/process.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/time.h"
 #include "content/common/content_export.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
 #include "content/public/browser/browser_child_process_host_delegate.h"
 #include "content/public/common/gpu_info.h"
 #include "ipc/ipc_sender.h"
 #include "ui/gfx/native_widget_types.h"
+#include "ui/gfx/size.h"
 
 class GpuMainThread;
 struct GPUCreateCommandBufferConfig;
 struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params;
 struct GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params;
 struct GpuHostMsg_AcceleratedSurfaceRelease_Params;
 
 class BrowserChildProcessHostImpl;
 
 namespace IPC {
 struct ChannelHandle;
 }
 
 class GpuProcessHost : public content::BrowserChildProcessHostDelegate,
                        public IPC::Sender,
                        public base::NonThreadSafe {
  public:
   enum GpuProcessKind {
     GPU_PROCESS_KIND_UNSANDBOXED,
     GPU_PROCESS_KIND_SANDBOXED,
     GPU_PROCESS_KIND_COUNT
   };
 
   typedef base::Callback<void(const IPC::ChannelHandle&,
                               const content::GPUInfo&)>
       EstablishChannelCallback;
 
   typedef base::Callback<void(int32)> CreateCommandBufferCallback;
 
+  typedef base::Callback<void(const gfx::Size)> CreateImageCallback;
+
   static bool gpu_enabled() { return gpu_enabled_; }
 
   // Creates a new GpuProcessHost or gets an existing one, resulting in the
   // launching of a GPU process if required.  Returns null on failure. It
   // is not safe to store the pointer once control has returned to the message
   // loop as it can be destroyed. Instead store the associated GPU host ID.
   // This could return NULL if GPU access is not allowed (blacklisted).
   static GpuProcessHost* Get(GpuProcessKind kind,
                              content::CauseForGpuLaunch cause);
 
@@ skipping 21 matching lines @@
 
   // Tells the GPU process to create a new command buffer that draws into the
   // given surface.
   void CreateViewCommandBuffer(
       const gfx::GLSurfaceHandle& compositing_surface,
       int surface_id,
       int client_id,
       const GPUCreateCommandBufferConfig& init_params,
       const CreateCommandBufferCallback& callback);
 
+  // Tells the GPU process to create a new image using the given window.
+  void CreateImage(
+      gfx::PluginWindowHandle window,
+      int client_id,
+      int image_id,
+      const CreateImageCallback& callback);
+
+    // Tells the GPU process to delete image.
+  void DeleteImage(int client_id, int image_id, int sync_point);
+
   // Whether this GPU process is set up to use software rendering.
   bool software_rendering();
 
   // What kind of GPU process, e.g. sandboxed or unsandboxed.
   GpuProcessKind kind();
 
   void ForceShutdown();
 
  private:
   static bool HostIsValid(GpuProcessHost* host);
@@ skipping 10 matching lines @@
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
   virtual void OnProcessLaunched() OVERRIDE;
   virtual void OnProcessCrashed(int exit_code) OVERRIDE;
 
   // Message handlers.
   void OnInitialized(bool result);
   void OnChannelEstablished(const IPC::ChannelHandle& channel_handle);
   void OnCommandBufferCreated(const int32 route_id);
   void OnDestroyCommandBuffer(int32 surface_id);
+  void OnImageCreated(const gfx::Size size);
 
 #if defined(OS_MACOSX)
   void OnAcceleratedSurfaceBuffersSwapped(
       const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params);
 #endif
   // Note: Different implementations depending on USE_AURA.
 #if defined(OS_WIN)
   void OnAcceleratedSurfaceBuffersSwapped(
       const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params);
   void OnAcceleratedSurfacePostSubBuffer(
       const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params);
   void OnAcceleratedSurfaceSuspend(int32 surface_id);
   void OnAcceleratedSurfaceRelease(
     const GpuHostMsg_AcceleratedSurfaceRelease_Params& params);
 #endif
 
   bool LaunchGpuProcess(const std::string& channel_id);
 
   void SendOutstandingReplies();
   void EstablishChannelError(
       const EstablishChannelCallback& callback,
       const IPC::ChannelHandle& channel_handle,
       base::ProcessHandle client_process_for_gpu,
       const content::GPUInfo& gpu_info);
   void CreateCommandBufferError(const CreateCommandBufferCallback& callback,
                                 int32 route_id);
+  void CreateImageError(const CreateImageCallback& callback,
+                        const gfx::Size size);
 
   // The serial number of the GpuProcessHost / GpuProcessHostUIShim pair.
   int host_id_;
 
   // These are the channel requests that we have already sent to
   // the GPU process, but haven't heard back about yet.
   std::queue<EstablishChannelCallback> channel_requests_;
 
   // The pending create command buffer requests we need to reply to.
   std::queue<CreateCommandBufferCallback> create_command_buffer_requests_;
 
+  // The pending create image requests we need to reply to.
+  std::queue<CreateImageCallback> create_image_requests_;
+
 #if defined(TOOLKIT_GTK)
   // Encapsulates surfaces that we lock when creating view command buffers.
   // We release this lock once the command buffer (or associated GPU process)
   // is destroyed. This prevents the browser from destroying the surface
   // while the GPU process is drawing to it.
 
   // Multimap is used to simulate reference counting, see comment in
   // GpuProcessHostUIShim::CreateViewCommandBuffer.
   class SurfaceRef;
   typedef std::multimap<int, linked_ptr<SurfaceRef> > SurfaceRefMap;
@@ skipping 27 matching lines @@
   static bool gpu_enabled_;
 
   static bool hardware_gpu_enabled_;
 
   scoped_ptr<BrowserChildProcessHostImpl> process_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuProcessHost);
 };
 
 #endif  // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_