webkit/plugins/ppapi/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 WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_3D_IMPL_H_
   6 #define WEBKIT_PLUGINS_PPAPI_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 #include "webkit/plugins/ppapi/plugin_delegate.h"
  12
  13 namespace webkit {
  14 namespace ppapi {
  15
  16 class PPB_Graphics3D_Impl : public ::ppapi::PPB_Graphics3D_Shared {
  17  public:
  18   virtual ~PPB_Graphics3D_Impl();
  19
  20   static PP_Resource Create(PP_Instance instance,
  21                             PP_Resource share_context,
  22                             const int32_t* attrib_list);
  23   static PP_Resource CreateRaw(PP_Instance instance,
  24                                PP_Resource share_context,
  25                                const int32_t* attrib_list);
  26
  27   // PPB_Graphics3D_API trusted implementation.
  28   virtual PP_Bool InitCommandBuffer() OVERRIDE;
  29   virtual PP_Bool SetGetBuffer(int32_t transfer_buffer_id) OVERRIDE;
  30   virtual PP_Graphics3DTrustedState GetState() OVERRIDE;
  31   virtual int32_t CreateTransferBuffer(uint32_t size) OVERRIDE;
  32   virtual PP_Bool DestroyTransferBuffer(int32_t id) OVERRIDE;
  33   virtual PP_Bool GetTransferBuffer(int32_t id,
  34                                     int* shm_handle,
  35                                     uint32_t* shm_size) OVERRIDE;
  36   virtual PP_Bool Flush(int32_t put_offset) OVERRIDE;
  37   virtual PP_Graphics3DTrustedState FlushSync(int32_t put_offset) OVERRIDE;
  38   virtual PP_Graphics3DTrustedState FlushSyncFast(
  39       int32_t put_offset,
  40       int32_t last_known_get) OVERRIDE;
  41   virtual uint32_t InsertSyncPoint() OVERRIDE;
  42
  43   // Binds/unbinds the graphics of this context with the associated instance.
  44   // Returns true if binding/unbinding is successful.
  45   bool BindToInstance(bool bind);
  46
  47   // Returns the id of texture that can be used by the compositor.
  48   unsigned int GetBackingTextureId();
  49
  50   // Returns true if the backing texture is always opaque.
  51   bool IsOpaque();
  52
  53   // Notifications about the view's progress painting.  See PluginInstance.
  54   // These messages are used to send Flush callbacks to the plugin.
  55   void ViewWillInitiatePaint();
  56   void ViewInitiatedPaint();
  57   void ViewFlushedPaint();
  58
  59   PluginDelegate::PlatformContext3D* platform_context() {
  60     return platform_context_.get();
  61   }
  62
  63  protected:
  64   // ppapi::PPB_Graphics3D_Shared overrides.
  65   virtual gpu::CommandBuffer* GetCommandBuffer() OVERRIDE;
  66   virtual int32 DoSwapBuffers() OVERRIDE;
  67
  68  private:
  69   explicit PPB_Graphics3D_Impl(PP_Instance instance);
  70
  71   static PP_Bool IsGpuBlacklisted();
  72
  73   bool Init(PPB_Graphics3D_API* share_context,
  74             const int32_t* attrib_list);
  75   bool InitRaw(PPB_Graphics3D_API* share_context,
  76                const int32_t* attrib_list);
  77
  78   // Notifications received from the GPU process.
  79   void OnSwapBuffers();
  80   void OnContextLost();
  81   void OnConsoleMessage(const std::string& msg, int id);
  82   // Notifications sent to plugin.
  83   void SendContextLost();
  84
  85   // True if context is bound to instance.
  86   bool bound_to_instance_;
  87   // True when waiting for compositor to commit our backing texture.
  88   bool commit_pending_;
  89   // PluginDelegate's 3D Context. Responsible for providing the command buffer.
  90   scoped_ptr<PluginDelegate::PlatformContext3D> platform_context_;
  91   base::WeakPtrFactory<PPB_Graphics3D_Impl> weak_ptr_factory_;
  92
  93   DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Impl);
  94 };
  95
  96 }  // namespace ppapi
  97 }  // namespace webkit
  98
  99 #endif  // WEBKIT_PLUGINS_PPAPI_PPB_GRAPHICS_3D_IMPL_H_