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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 
gles2_impl()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