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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 "gpu/command_buffer/common/mailbox.h"
     10 #include "ppapi/shared_impl/ppb_graphics_3d_shared.h"
     11 #include "ppapi/shared_impl/resource.h"
     12 
     13 namespace content {
     14 class CommandBufferProxyImpl;
     15 class GpuChannelHost;
     16 
     17 class PPB_Graphics3D_Impl : public ppapi::PPB_Graphics3D_Shared {
     18  public:
     19   static PP_Resource Create(PP_Instance instance,
     20                             PP_Resource share_context,
     21                             const int32_t* attrib_list);
     22   static PP_Resource CreateRaw(PP_Instance instance,
     23                                PP_Resource share_context,
     24                                const int32_t* attrib_list);
     25 
     26   // PPB_Graphics3D_API trusted implementation.
     27   virtual PP_Bool SetGetBuffer(int32_t transfer_buffer_id) OVERRIDE;
     28   virtual scoped_refptr<gpu::Buffer> CreateTransferBuffer(uint32_t size,
     29                                                           int32* id) OVERRIDE;
     30   virtual PP_Bool DestroyTransferBuffer(int32_t id) OVERRIDE;
     31   virtual PP_Bool Flush(int32_t put_offset) OVERRIDE;
     32   virtual gpu::CommandBuffer::State WaitForTokenInRange(int32_t start,
     33                                                         int32_t end) OVERRIDE;
     34   virtual gpu::CommandBuffer::State WaitForGetOffsetInRange(int32_t start,
     35                                                             int32_t end)
     36       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 ViewInitiatedPaint();
     49   void ViewFlushedPaint();
     50 
     51   void GetBackingMailbox(gpu::Mailbox* mailbox, uint32* sync_point) {
     52     *mailbox = mailbox_;
     53     *sync_point = sync_point_;
     54   }
     55 
     56   int GetCommandBufferRouteId();
     57 
     58   GpuChannelHost* channel() { return channel_; }
     59 
     60  protected:
     61   virtual ~PPB_Graphics3D_Impl();
     62   // ppapi::PPB_Graphics3D_Shared overrides.
     63   virtual gpu::CommandBuffer* GetCommandBuffer() OVERRIDE;
     64   virtual gpu::GpuControl* GetGpuControl() OVERRIDE;
     65   virtual int32 DoSwapBuffers() OVERRIDE;
     66 
     67  private:
     68   explicit PPB_Graphics3D_Impl(PP_Instance instance);
     69 
     70   bool Init(PPB_Graphics3D_API* share_context, const int32_t* attrib_list);
     71   bool InitRaw(PPB_Graphics3D_API* share_context, const int32_t* attrib_list);
     72 
     73   // Notifications received from the GPU process.
     74   void OnSwapBuffers();
     75   void OnContextLost();
     76   void OnConsoleMessage(const std::string& msg, int id);
     77   // Notifications sent to plugin.
     78   void SendContextLost();
     79 
     80   // True if context is bound to instance.
     81   bool bound_to_instance_;
     82   // True when waiting for compositor to commit our backing texture.
     83   bool commit_pending_;
     84 
     85   gpu::Mailbox mailbox_;
     86   uint32 sync_point_;
     87   bool has_alpha_;
     88   scoped_refptr<GpuChannelHost> channel_;
     89   CommandBufferProxyImpl* command_buffer_;
     90 
     91   base::WeakPtrFactory<PPB_Graphics3D_Impl> weak_ptr_factory_;
     92 
     93   DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Impl);
     94 };
     95 
     96 }  // namespace content
     97 
     98 #endif  // CONTENT_RENDERER_PEPPER_PPB_GRAPHICS_3D_IMPL_H_
     99