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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_RENDERER_PEPPER_PPB_GRAPHICS_3D_IMPL_H_
      6 #define CONTENT_RENDERER_PEPPER_PPB_GRAPHICS_3D_IMPL_H_
      7 
      8 #include "base/memory/weak_ptr.h"
      9 #include "ppapi/shared_impl/ppb_graphics_3d_shared.h"
     10 #include "ppapi/shared_impl/resource.h"
     11 
     12 namespace content {
     13 class PlatformContext3D;
     14 
     15 class PPB_Graphics3D_Impl : public ppapi::PPB_Graphics3D_Shared {
     16  public:
     17   static PP_Resource Create(PP_Instance instance,
     18                             PP_Resource share_context,
     19                             const int32_t* attrib_list);
     20   static PP_Resource CreateRaw(PP_Instance instance,
     21                                PP_Resource share_context,
     22                                const int32_t* attrib_list);
     23 
     24   // PPB_Graphics3D_API trusted implementation.
     25   virtual PP_Bool SetGetBuffer(int32_t transfer_buffer_id) OVERRIDE;
     26   virtual gpu::CommandBuffer::State GetState() OVERRIDE;
     27   virtual int32_t CreateTransferBuffer(uint32_t size) OVERRIDE;
     28   virtual PP_Bool DestroyTransferBuffer(int32_t id) OVERRIDE;
     29   virtual PP_Bool GetTransferBuffer(int32_t id,
     30                                     int* shm_handle,
     31                                     uint32_t* shm_size) OVERRIDE;
     32   virtual PP_Bool Flush(int32_t put_offset) OVERRIDE;
     33   virtual gpu::CommandBuffer::State FlushSync(int32_t put_offset) OVERRIDE;
     34   virtual gpu::CommandBuffer::State FlushSyncFast(
     35       int32_t put_offset,
     36       int32_t last_known_get) OVERRIDE;
     37   virtual uint32_t InsertSyncPoint() OVERRIDE;
     38 
     39   // Binds/unbinds the graphics of this context with the associated instance.
     40   // Returns true if binding/unbinding is successful.
     41   bool BindToInstance(bool bind);
     42 
     43   // Returns true if the backing texture is always opaque.
     44   bool IsOpaque();
     45 
     46   // Notifications about the view's progress painting.  See PluginInstance.
     47   // These messages are used to send Flush callbacks to the plugin.
     48   void ViewWillInitiatePaint();
     49   void ViewInitiatedPaint();
     50   void ViewFlushedPaint();
     51 
     52   PlatformContext3D* platform_context() { return platform_context_.get(); }
     53 
     54  protected:
     55   virtual ~PPB_Graphics3D_Impl();
     56   // ppapi::PPB_Graphics3D_Shared overrides.
     57   virtual gpu::CommandBuffer* GetCommandBuffer() OVERRIDE;
     58   virtual int32 DoSwapBuffers() OVERRIDE;
     59 
     60  private:
     61   explicit PPB_Graphics3D_Impl(PP_Instance instance);
     62 
     63   static PP_Bool IsGpuBlacklisted();
     64 
     65   bool Init(PPB_Graphics3D_API* share_context,
     66             const int32_t* attrib_list);
     67   bool InitRaw(PPB_Graphics3D_API* share_context,
     68                const int32_t* attrib_list);
     69 
     70   // Notifications received from the GPU process.
     71   void OnSwapBuffers();
     72   void OnContextLost();
     73   void OnConsoleMessage(const std::string& msg, int id);
     74   // Notifications sent to plugin.
     75   void SendContextLost();
     76 
     77   // True if context is bound to instance.
     78   bool bound_to_instance_;
     79   // True when waiting for compositor to commit our backing texture.
     80   bool commit_pending_;
     81   // The 3D Context. Responsible for providing the command buffer.
     82   scoped_ptr<PlatformContext3D> platform_context_;
     83   base::WeakPtrFactory<PPB_Graphics3D_Impl> weak_ptr_factory_;
     84 
     85   DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Impl);
     86 };
     87 
     88 }  // namespace content
     89 
     90 #endif  // CONTENT_RENDERER_PEPPER_PPB_GRAPHICS_3D_IMPL_H_
     91