content/renderer/pepper/ppb_graphics_3d_impl.h

   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   virtual uint32_t InsertFutureSyncPoint() OVERRIDE;
  39   virtual void RetireSyncPoint(uint32_t) OVERRIDE;
  40
  41   // Binds/unbinds the graphics of this context with the associated instance.
  42   // Returns true if binding/unbinding is successful.
  43   bool BindToInstance(bool bind);
  44
  45   // Returns true if the backing texture is always opaque.
  46   bool IsOpaque();
  47
  48   // Notifications about the view's progress painting.  See PluginInstance.
  49   // These messages are used to send Flush callbacks to the plugin.
  50   void ViewInitiatedPaint();
  51   void ViewFlushedPaint();
  52
  53   void GetBackingMailbox(gpu::Mailbox* mailbox, uint32* sync_point) {
  54     *mailbox = mailbox_;
  55     *sync_point = sync_point_;
  56   }
  57
  58   int GetCommandBufferRouteId();
  59
  60   GpuChannelHost* channel() { return channel_.get(); }
  61
  62  protected:
  63   virtual ~PPB_Graphics3D_Impl();
  64   // ppapi::PPB_Graphics3D_Shared overrides.
  65   virtual gpu::CommandBuffer* GetCommandBuffer() OVERRIDE;
  66   virtual gpu::GpuControl* GetGpuControl() OVERRIDE;
  67   virtual int32 DoSwapBuffers() OVERRIDE;
  68
  69  private:
  70   explicit PPB_Graphics3D_Impl(PP_Instance instance);
  71
  72   bool Init(PPB_Graphics3D_API* share_context, const int32_t* attrib_list);
  73   bool InitRaw(PPB_Graphics3D_API* share_context, const int32_t* attrib_list);
  74
  75   // Notifications received from the GPU process.
  76   void OnSwapBuffers();
  77   void OnContextLost();
  78   void OnConsoleMessage(const std::string& msg, int id);
  79   // Notifications sent to plugin.
  80   void SendContextLost();
  81
  82   // True if context is bound to instance.
  83   bool bound_to_instance_;
  84   // True when waiting for compositor to commit our backing texture.
  85   bool commit_pending_;
  86
  87   gpu::Mailbox mailbox_;
  88   uint32 sync_point_;
  89   bool has_alpha_;
  90   scoped_refptr<GpuChannelHost> channel_;
  91   CommandBufferProxyImpl* command_buffer_;
  92
  93   base::WeakPtrFactory<PPB_Graphics3D_Impl> weak_ptr_factory_;
  94
  95   DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Impl);
  96 };
  97
  98 }  // namespace content
  99
 100 #endif  // CONTENT_RENDERER_PEPPER_PPB_GRAPHICS_3D_IMPL_H_