| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef PPAPI_SHARED_IMPL_GRAPHICS_3D_IMPL_H_ |
| #define PPAPI_SHARED_IMPL_GRAPHICS_3D_IMPL_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "ppapi/c/pp_completion_callback.h" |
| #include "ppapi/shared_impl/ppapi_shared_export.h" |
| #include "ppapi/shared_impl/resource.h" |
| #include "ppapi/shared_impl/tracked_callback.h" |
| #include "ppapi/thunk/ppb_graphics_3d_api.h" |
| |
| namespace gpu { |
| class CommandBuffer; |
| class TransferBuffer; |
| namespace gles2 { |
| class GLES2CmdHelper; |
| class GLES2Implementation; |
| } // namespace gles2 |
| } // namespace gpu. |
| |
| namespace ppapi { |
| |
| class PPAPI_SHARED_EXPORT PPB_Graphics3D_Shared |
| : public Resource, |
| public thunk::PPB_Graphics3D_API { |
| public: |
| // Resource overrides. |
| virtual thunk::PPB_Graphics3D_API* AsPPB_Graphics3D_API() OVERRIDE; |
| |
| // PPB_Graphics3D_API implementation. |
| virtual int32_t GetAttribs(int32_t attrib_list[]) OVERRIDE; |
| virtual int32_t SetAttribs(const int32_t attrib_list[]) OVERRIDE; |
| virtual int32_t GetError() OVERRIDE; |
| virtual int32_t ResizeBuffers(int32_t width, int32_t height) OVERRIDE; |
| virtual int32_t SwapBuffers(scoped_refptr<TrackedCallback> callback) OVERRIDE; |
| virtual int32_t GetAttribMaxValue(int32_t attribute, int32_t* value) OVERRIDE; |
| |
| virtual void* MapTexSubImage2DCHROMIUM(GLenum target, |
| GLint level, |
| GLint xoffset, |
| GLint yoffset, |
| GLsizei width, |
| GLsizei height, |
| GLenum format, |
| GLenum type, |
| GLenum access) OVERRIDE; |
| virtual void UnmapTexSubImage2DCHROMIUM(const void* mem) OVERRIDE; |
| |
| gpu::gles2::GLES2Implementation* gles2_impl() { |
| return gles2_impl_.get(); |
| } |
| |
| // Sends swap-buffers notification to the plugin. |
| void SwapBuffersACK(int32_t pp_error); |
| |
| protected: |
| // ScopedNoLocking makes sure we don't try to lock again when we already have |
| // the proxy lock. This is used when we need to use the CommandBuffer |
| // (possibly via gles2_impl) but we already have the proxy lock. The |
| // CommandBuffer in the plugin side of the proxy will otherwise try to acquire |
| // the ProxyLock, causing a crash because we already own the lock. (Locks in |
| // Chromium are never recursive). |
| class ScopedNoLocking { |
| public: |
| explicit ScopedNoLocking(PPB_Graphics3D_Shared* graphics3d_shared) |
| : graphics3d_shared_(graphics3d_shared) { |
| graphics3d_shared_->PushAlreadyLocked(); |
| } |
| ~ScopedNoLocking() { |
| graphics3d_shared_->PopAlreadyLocked(); |
| } |
| private: |
| PPB_Graphics3D_Shared* graphics3d_shared_; // Weak |
| |
| DISALLOW_COPY_AND_ASSIGN(ScopedNoLocking); |
| }; |
| |
| |
| PPB_Graphics3D_Shared(PP_Instance instance); |
| PPB_Graphics3D_Shared(const HostResource& host_resource); |
| virtual ~PPB_Graphics3D_Shared(); |
| |
| virtual gpu::CommandBuffer* GetCommandBuffer() = 0; |
| virtual int32 DoSwapBuffers() = 0; |
| |
| bool HasPendingSwap() const; |
| bool CreateGLES2Impl(int32 command_buffer_size, |
| int32 transfer_buffer_size, |
| gpu::gles2::GLES2Implementation* share_gles2); |
| void DestroyGLES2Impl(); |
| |
| private: |
| // On the plugin side, we need to know that we already have the lock, so that |
| // we don't try to acquire it again. The default implementation does nothing; |
| // the Plugin side of the proxy must implement these. |
| friend class ScopedNoLocking; |
| virtual void PushAlreadyLocked(); |
| virtual void PopAlreadyLocked(); |
| |
| // The VideoDecoder needs to be able to call Graphics3D Flush() after taking |
| // the proxy lock. Hence it needs access to ScopedNoLocking. |
| friend class PPB_VideoDecoder_Shared; |
| |
| scoped_ptr<gpu::gles2::GLES2CmdHelper> gles2_helper_; |
| scoped_ptr<gpu::TransferBuffer> transfer_buffer_; |
| scoped_ptr<gpu::gles2::GLES2Implementation> gles2_impl_; |
| |
| // Callback that needs to be executed when swap-buffers is completed. |
| scoped_refptr<TrackedCallback> swap_callback_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PPB_Graphics3D_Shared); |
| }; |
| |
| } // namespace ppapi |
| |
| #endif // PPAPI_SHARED_IMPL_GRAPHICS_3D_IMPL_H_ |
| |