gpu: Add CHROMIUM_image support to in-process command buffer.

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 <map>
 #include <vector>
 
+#include "base/atomic_sequence_num.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/synchronization/waitable_event.h"
 #include "gpu/command_buffer/client/gpu_control.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;
@@ skipping 13 matching lines @@
 
 namespace gpu {
 
 namespace gles2 {
 class GLES2Decoder;
 class MailboxManager;
 class ShaderTranslatorCache;
 }
 
 class CommandBufferServiceBase;
+class GpuMemoryBufferManager;
 class GpuScheduler;
+class ImageFactory;
 class TransferBufferManagerInterface;
 
 // This class provides a thread-safe interface to the global GPU service (for
 // example GPU thread) when being run in single process mode.
 // However, the behavior for accessing one context (i.e. one instance of this
 // class) from different client threads is undefined.
 class GPU_EXPORT InProcessCommandBuffer : public CommandBuffer,
                                           public GpuControl {
  public:
   class Service;
   explicit InProcessCommandBuffer(const scoped_refptr<Service>& service);
   virtual ~InProcessCommandBuffer();
 
   // 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,
                   gfx::AcceleratedWidget window,
                   const gfx::Size& size,
                   const std::vector<int32>& attribs,
                   gfx::GpuPreference gpu_preference,
                   const base::Closure& context_lost_callback,
-                  InProcessCommandBuffer* share_group);
+                  InProcessCommandBuffer* share_group,
+                  GpuMemoryBufferManager* gpu_memory_buffer_manager,
+                  ImageFactory* image_factory);
   void Destroy();
 
   // CommandBuffer implementation:
   virtual bool Initialize() override;
   virtual State GetLastState() override;
   virtual int32 GetLastToken() override;
   virtual void Flush(int32 put_offset) override;
   virtual void WaitForTokenInRange(int32 start, int32 end) override;
   virtual void WaitForGetOffsetInRange(int32 start, int32 end) override;
   virtual void SetGetBuffer(int32 shm_id) override;
@@ skipping 55 matching lines @@
 
  private:
   struct InitializeOnGpuThreadParams {
     bool is_offscreen;
     gfx::AcceleratedWidget window;
     const gfx::Size& size;
     const std::vector<int32>& attribs;
     gfx::GpuPreference gpu_preference;
     gpu::Capabilities* capabilities;  // Ouptut.
     InProcessCommandBuffer* context_group;
+    ImageFactory* image_factory;
 
     InitializeOnGpuThreadParams(bool is_offscreen,
                                 gfx::AcceleratedWidget window,
                                 const gfx::Size& size,
                                 const std::vector<int32>& attribs,
                                 gfx::GpuPreference gpu_preference,
                                 gpu::Capabilities* capabilities,
-                                InProcessCommandBuffer* share_group)
+                                InProcessCommandBuffer* share_group,
+                                ImageFactory* image_factory)
         : is_offscreen(is_offscreen),
           window(window),
           size(size),
           attribs(attribs),
           gpu_preference(gpu_preference),
           capabilities(capabilities),
-          context_group(share_group) {}
+          context_group(share_group),
+          image_factory(image_factory) {}
   };
 
   bool InitializeOnGpuThread(const InitializeOnGpuThreadParams& params);
   bool DestroyOnGpuThread();
   void FlushOnGpuThread(int32 put_offset);
   void ScheduleIdleWorkOnGpuThread();
   uint32 CreateStreamTextureOnGpuThread(uint32 client_texture_id);
   bool MakeCurrent();
   base::Closure WrapCallback(const base::Closure& callback);
   State GetStateFast();
   void QueueTask(const base::Closure& task) { service_->ScheduleTask(task); }
   void CheckSequencedThread();
   void RetireSyncPointOnGpuThread(uint32 sync_point);
   void SignalSyncPointOnGpuThread(uint32 sync_point,
                                   const base::Closure& callback);
   void SignalQueryOnGpuThread(unsigned query_id, const base::Closure& callback);
   void DestroyTransferBufferOnGpuThread(int32 id);
+  void CreateImageOnGpuThread(int32 id,
+                              const gfx::GpuMemoryBufferHandle& handle,
+                              const gfx::Size& size,
+                              gfx::GpuMemoryBuffer::Format format,
+                              uint32 internalformat);
+  void DestroyImageOnGpuThread(int32 id);
 
   // Callbacks:
   void OnContextLost();
   void OnResizeView(gfx::Size size, float scale_factor);
   bool GetBufferChanged(int32 transfer_buffer_id);
   void PumpCommands();
   void PerformIdleWork();
 
   static scoped_refptr<Service> GetDefaultService();
 
   // Members accessed on the gpu thread (possibly with the exception of
   // creation):
   bool context_lost_;
   scoped_ptr<TransferBufferManagerInterface> transfer_buffer_manager_;
   scoped_ptr<GpuScheduler> gpu_scheduler_;
   scoped_ptr<gles2::GLES2Decoder> decoder_;
   scoped_refptr<gfx::GLContext> context_;
   scoped_refptr<gfx::GLSurface> surface_;
   base::Closure context_lost_callback_;
   bool idle_work_pending_;  // Used to throttle PerformIdleWork.
+  ImageFactory* image_factory_;
 
   // Members accessed on the client thread:
   State last_state_;
   int32 last_put_offset_;
   gpu::Capabilities capabilities_;
+  GpuMemoryBufferManager* gpu_memory_buffer_manager_;
+  base::AtomicSequenceNumber next_image_id_;
 
   // Accessed on both threads:
   scoped_ptr<CommandBufferServiceBase> command_buffer_;
   base::Lock command_buffer_lock_;
   base::WaitableEvent flush_event_;
   scoped_refptr<Service> service_;
   State state_after_last_flush_;
   base::Lock state_after_last_flush_lock_;
   scoped_refptr<gfx::GLShareGroup> gl_share_group_;
 
 #if defined(OS_ANDROID)
   scoped_ptr<StreamTextureManagerInProcess> stream_texture_manager_;
 #endif
 
   // Only used with explicit scheduling and the gpu thread is the same as
   // the client thread.
   scoped_ptr<base::SequenceChecker> sequence_checker_;
 
   base::WeakPtr<InProcessCommandBuffer> gpu_thread_weak_ptr_;
   base::WeakPtrFactory<InProcessCommandBuffer> gpu_thread_weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InProcessCommandBuffer);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_IN_PROCESS_COMMAND_BUFFER_H_