gpu: introduce glSetStreamTextureSizeCHROMIUM(GLuint texture, GLint stream_id, GLsizei width, GLsiz…

gpu/command_buffer/service/stream_texture_manager_in_process_android.h

 // Copyright 2013 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 GPU_STREAM_TEXTURE_MANAGER_IN_PROCESS_ANDROID_H_
 #define GPU_STREAM_TEXTURE_MANAGER_IN_PROCESS_ANDROID_H_
 
 #include <map>
 
+#include "base/atomic_sequence_num.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/non_thread_safe.h"
 
 namespace gfx {
 class SurfaceTexture;
 }
 
 namespace gpu {
 
 namespace gles2 {
 class TextureManager;
 }
 
 class StreamTextureManagerInProcess : public base::NonThreadSafe {
  public:
   StreamTextureManagerInProcess();
   ~StreamTextureManagerInProcess();
 
-  uint32 CreateStreamTexture(uint32 client_texture_id,
-                             gles2::TextureManager* texture_manager);
+  int32 CreateStreamTexture(uint32 client_texture_id,
+                            gles2::TextureManager* texture_manager);
+  void SetStreamTextureSize(uint32 client_texture_id,
+                            int32 stream_id,
+                            size_t width,
+                            size_t height,
+                            gles2::TextureManager* texture_manager);
 
   // This method can be called from any thread.
-  scoped_refptr<gfx::SurfaceTexture> GetSurfaceTexture(uint32 stream_id);
+  scoped_refptr<gfx::SurfaceTexture> GetSurfaceTexture(int32 stream_id);
 
  private:
-  void OnReleaseStreamTexture(uint32 stream_id);
+  void OnReleaseStreamTexture(int32 stream_id);
 
-  typedef std::map<uint32, scoped_refptr<gfx::SurfaceTexture> > TextureMap;
-  TextureMap textures_;
+  class GLImage;
+  typedef std::map<int32, GLImage*> ImageMap;
+  ImageMap images_;
   base::Lock map_lock_;
-  uint32 next_id_;
+  base::AtomicSequenceNumber next_id_;
 
   base::WeakPtrFactory<StreamTextureManagerInProcess> weak_factory_;
   DISALLOW_COPY_AND_ASSIGN(StreamTextureManagerInProcess);
 };
 
 }  // gpu
 
 #endif  // GPU_STREAM_TEXTURE_MANAGER_IN_PROCESS_ANDROID_H_