Support stream textures with the synchronous compositor

gpu/command_buffer/service/stream_texture_manager_in_process_android.h

+// Copyright (c) 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/memory/linked_ptr.h"
+#include "base/memory/ref_counted.h"
+#include "base/synchronization/lock.h"
+#include "gpu/command_buffer/service/stream_texture.h"
+#include "gpu/command_buffer/service/stream_texture_manager.h"
+
+namespace gfx {
+class Size;
+class SurfaceTextureBridge;
+}
+
+namespace gpu {
+
+class StreamTextureManagerInProcess
+    : public gpu::StreamTextureManager,
+      public base::RefCountedThreadSafe<StreamTextureManagerInProcess> {
+ public:
+  StreamTextureManagerInProcess();
+
+  // implement gpu::StreamTextureManager:
+  virtual uint32 CreateStreamTexture(uint32 service_id,
+                                     uint32 client_id) OVERRIDE;
+  virtual void DestroyStreamTexture(uint32 service_id) OVERRIDE;
+  virtual gpu::StreamTexture* LookupStreamTexture(uint32 service_id) OVERRIDE;
+
+  scoped_refptr<gfx::SurfaceTextureBridge> GetSurfaceTexture(uint32 stream_id);
+
+ private:
+  class StreamTextureImpl : public gpu::StreamTexture {
+   public:
+    StreamTextureImpl(uint32 service_id, uint32 stream_id);
+    virtual ~StreamTextureImpl();
+
+    // implement gpu::StreamTexture
+    virtual void Update() OVERRIDE;
+    virtual gfx::Size GetSize() OVERRIDE;
+
+    void SetSize(gfx::Size size);
+
+    scoped_refptr<gfx::SurfaceTextureBridge> GetSurfaceTexture();
+    uint32 stream_id() { return stream_id_; }
+
+   private:
+    scoped_refptr<gfx::SurfaceTextureBridge> surface_texture_bridge_;
+    uint32 stream_id_;
+    gfx::Size size_;
+
+    DISALLOW_COPY_AND_ASSIGN(StreamTextureImpl);
+  };
+
+  friend class base::RefCountedThreadSafe<StreamTextureManagerInProcess>;
+  virtual ~StreamTextureManagerInProcess();
+
+  typedef std::map<uint32, linked_ptr<StreamTextureImpl> > TextureMap;
+  TextureMap textures_;
+
+  uint32 next_id_;
+
+  base::Lock map_lock_;
+
+  DISALLOW_COPY_AND_ASSIGN(StreamTextureManagerInProcess);
+};
+
+}  // gpu
+
+#endif  // GPU_STREAM_TEXTURE_MANAGER_IN_PROCESS_ANDROID_H_