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      1 // Copyright (c) 2013 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 GPU_STREAM_TEXTURE_MANAGER_IN_PROCESS_ANDROID_H_
      6 #define GPU_STREAM_TEXTURE_MANAGER_IN_PROCESS_ANDROID_H_
      7 
      8 #include <map>
      9 
     10 #include "base/memory/linked_ptr.h"
     11 #include "base/memory/ref_counted.h"
     12 #include "base/synchronization/lock.h"
     13 #include "gpu/command_buffer/service/stream_texture.h"
     14 #include "gpu/command_buffer/service/stream_texture_manager.h"
     15 
     16 namespace gfx {
     17 class Size;
     18 class SurfaceTextureBridge;
     19 }
     20 
     21 namespace gpu {
     22 
     23 class StreamTextureManagerInProcess
     24     : public gpu::StreamTextureManager,
     25       public base::RefCountedThreadSafe<StreamTextureManagerInProcess> {
     26  public:
     27   StreamTextureManagerInProcess();
     28   virtual ~StreamTextureManagerInProcess();
     29 
     30   // implement gpu::StreamTextureManager:
     31   virtual uint32 CreateStreamTexture(uint32 service_id,
     32                                      uint32 client_id) OVERRIDE;
     33   virtual void DestroyStreamTexture(uint32 service_id) OVERRIDE;
     34   virtual gpu::StreamTexture* LookupStreamTexture(uint32 service_id) OVERRIDE;
     35 
     36   scoped_refptr<gfx::SurfaceTextureBridge> GetSurfaceTexture(uint32 stream_id);
     37 
     38  private:
     39   class StreamTextureImpl : public gpu::StreamTexture {
     40    public:
     41     StreamTextureImpl(uint32 service_id, uint32 stream_id);
     42     virtual ~StreamTextureImpl();
     43 
     44     // implement gpu::StreamTexture
     45     virtual void Update() OVERRIDE;
     46     virtual gfx::Size GetSize() OVERRIDE;
     47 
     48     void SetSize(gfx::Size size);
     49 
     50     scoped_refptr<gfx::SurfaceTextureBridge> GetSurfaceTexture();
     51     uint32 stream_id() { return stream_id_; }
     52 
     53    private:
     54     scoped_refptr<gfx::SurfaceTextureBridge> surface_texture_bridge_;
     55     uint32 stream_id_;
     56     gfx::Size size_;
     57 
     58     DISALLOW_COPY_AND_ASSIGN(StreamTextureImpl);
     59   };
     60 
     61   typedef std::map<uint32, linked_ptr<StreamTextureImpl> > TextureMap;
     62   TextureMap textures_;
     63 
     64   uint32 next_id_;
     65 
     66   base::Lock map_lock_;
     67 
     68   DISALLOW_COPY_AND_ASSIGN(StreamTextureManagerInProcess);
     69 };
     70 
     71 }  // gpu
     72 
     73 #endif  // GPU_STREAM_TEXTURE_MANAGER_IN_PROCESS_ANDROID_H_
     74