src/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 "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 ViewInitiatedPaint();
  49   void ViewFlushedPaint();
  50
  51   PlatformContext3D* platform_context() { return platform_context_.get(); }
  52
  53  protected:
  54   virtual ~PPB_Graphics3D_Impl();
  55   // ppapi::PPB_Graphics3D_Shared overrides.
  56   virtual gpu::CommandBuffer* GetCommandBuffer() OVERRIDE;
  57   virtual gpu::GpuControl* GetGpuControl() 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_