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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 PPAPI_SHARED_IMPL_GRAPHICS_3D_IMPL_H_
      6 #define PPAPI_SHARED_IMPL_GRAPHICS_3D_IMPL_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/memory/scoped_ptr.h"
     10 #include "ppapi/c/pp_completion_callback.h"
     11 #include "ppapi/shared_impl/ppapi_shared_export.h"
     12 #include "ppapi/shared_impl/resource.h"
     13 #include "ppapi/shared_impl/tracked_callback.h"
     14 #include "ppapi/thunk/ppb_graphics_3d_api.h"
     15 
     16 namespace gpu {
     17 class CommandBuffer;
     18 class GpuControl;
     19 class TransferBuffer;
     20 namespace gles2 {
     21 class GLES2CmdHelper;
     22 class GLES2Implementation;
     23 }  // namespace gles2
     24 }  // namespace gpu.
     25 
     26 namespace ppapi {
     27 
     28 class PPAPI_SHARED_EXPORT PPB_Graphics3D_Shared
     29     : public Resource,
     30       public thunk::PPB_Graphics3D_API {
     31  public:
     32   // Resource overrides.
     33   virtual thunk::PPB_Graphics3D_API* AsPPB_Graphics3D_API() OVERRIDE;
     34 
     35   // PPB_Graphics3D_API implementation.
     36   virtual int32_t GetAttribs(int32_t attrib_list[]) OVERRIDE;
     37   virtual int32_t SetAttribs(const int32_t attrib_list[]) OVERRIDE;
     38   virtual int32_t GetError() OVERRIDE;
     39   virtual int32_t ResizeBuffers(int32_t width, int32_t height) OVERRIDE;
     40   virtual int32_t SwapBuffers(scoped_refptr<TrackedCallback> callback) OVERRIDE;
     41   virtual int32_t GetAttribMaxValue(int32_t attribute, int32_t* value) OVERRIDE;
     42 
     43   virtual void* MapTexSubImage2DCHROMIUM(GLenum target,
     44                                          GLint level,
     45                                          GLint xoffset,
     46                                          GLint yoffset,
     47                                          GLsizei width,
     48                                          GLsizei height,
     49                                          GLenum format,
     50                                          GLenum type,
     51                                          GLenum access) OVERRIDE;
     52   virtual void UnmapTexSubImage2DCHROMIUM(const void* mem) OVERRIDE;
     53 
     54   gpu::gles2::GLES2Implementation* gles2_impl() { return gles2_impl_.get(); }
     55 
     56   // Sends swap-buffers notification to the plugin.
     57   void SwapBuffersACK(int32_t pp_error);
     58 
     59  protected:
     60   PPB_Graphics3D_Shared(PP_Instance instance);
     61   PPB_Graphics3D_Shared(const HostResource& host_resource);
     62   virtual ~PPB_Graphics3D_Shared();
     63 
     64   virtual gpu::CommandBuffer* GetCommandBuffer() = 0;
     65   virtual gpu::GpuControl* GetGpuControl() = 0;
     66   virtual int32 DoSwapBuffers() = 0;
     67 
     68   bool HasPendingSwap() const;
     69   bool CreateGLES2Impl(int32 command_buffer_size,
     70                        int32 transfer_buffer_size,
     71                        gpu::gles2::GLES2Implementation* share_gles2);
     72   void DestroyGLES2Impl();
     73 
     74  private:
     75   scoped_ptr<gpu::gles2::GLES2CmdHelper> gles2_helper_;
     76   scoped_ptr<gpu::TransferBuffer> transfer_buffer_;
     77   scoped_ptr<gpu::gles2::GLES2Implementation> gles2_impl_;
     78 
     79   // Callback that needs to be executed when swap-buffers is completed.
     80   scoped_refptr<TrackedCallback> swap_callback_;
     81 
     82   DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Shared);
     83 };
     84 
     85 }  // namespace ppapi
     86 
     87 #endif  // PPAPI_SHARED_IMPL_GRAPHICS_3D_IMPL_H_
     88