Add gfx::SurfaceFactoryWebview

gpu/command_buffer/service/in_process_command_buffer.h

 // Copyright 2013 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 GPU_COMMAND_BUFFER_SERVICE_IN_PROCESS_COMMAND_BUFFER_H_
 #define GPU_COMMAND_BUFFER_SERVICE_IN_PROCESS_COMMAND_BUFFER_H_
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/synchronization/waitable_event.h"
 #include "gpu/command_buffer/common/command_buffer.h"
 #include "gpu/gpu_export.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 #include "ui/gfx/native_widget_types.h"
+#include "ui/gl/gl_surface.h"
 #include "ui/gl/gpu_preference.h"
 
+namespace base {
+class SequenceChecker;
+}
+
 namespace gfx {
 class GLContext;
 class GLImage;
 class GLSurface;
 class Size;
 }
 
 namespace gpu {
 
 namespace gles2 {
@@ skipping 18 matching lines @@
   // The callback will be called from different client threads. After the
   // callback is issued, the client is expected to eventually call
   // ProcessGpuWorkOnCurrentThread(). The latter cannot be called from different
   // threads.
   // The callback needs to be set before any context is created.
   static void SetScheduleCallback(const base::Closure& callback);
   static void ProcessGpuWorkOnCurrentThread();
 
   static void EnableVirtualizedContext();
 
-  bool Initialize(bool is_offscreen,
+  // If |surface| is not NULL, use it directly; in this case, the command
+  // buffer gpu thread must be the same as the client thread. Otherwise create
+  // a new GLSurface.
+  bool Initialize(scoped_refptr<gfx::GLSurface> surface,
+                  bool is_offscreen,
                   bool share_resources,
                   gfx::AcceleratedWidget window,
                   const gfx::Size& size,
                   const char* allowed_extensions,
                   const std::vector<int32>& attribs,
                   gfx::GpuPreference gpu_preference,
                   const base::Closure& context_lost_callback,
                   unsigned int share_group_id);
   void Destroy();
   void SignalSyncPoint(unsigned sync_point,
@@ skipping 40 matching lines @@
   void FlushOnGpuThread(int32 put_offset);
   void CreateImageOnGpuThread(gfx::GpuMemoryBufferHandle buffer,
                               gfx::Size size,
                               unsigned int image_id);
   void RemoveImageOnGpuThread(unsigned int image_id);
   bool MakeCurrent();
   bool IsContextLost();
   base::Closure WrapCallback(const base::Closure& callback);
   State GetStateFast();
   void QueueTask(const base::Closure& task) { queue_->QueueTask(task); }
+  void CheckSequencedThread();
 
   // Callbacks:
   void OnContextLost();
   void OnResizeView(gfx::Size size, float scale_factor);
   bool GetBufferChanged(int32 transfer_buffer_id);
   void PumpCommands();
 
   // Members accessed on the gpu thread (possibly with the exception of
   // creation):
   bool context_lost_;
@@ skipping 11 matching lines @@
   int32 last_put_offset_;
 
   // Accessed on both threads:
   scoped_ptr<CommandBuffer> command_buffer_;
   base::Lock command_buffer_lock_;
   base::WaitableEvent flush_event_;
   scoped_ptr<SchedulerClient> queue_;
   State state_after_last_flush_;
   base::Lock state_after_last_flush_lock_;
 
+  // Only used with explicit scheduling and the gpu thread is the same as
+  // the client thread.
+  scoped_ptr<base::SequenceChecker> sequence_checker_;
+
   DISALLOW_COPY_AND_ASSIGN(InProcessCommandBuffer);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_IN_PROCESS_COMMAND_BUFFER_H_