Implement TextureImageTransportSurface using texture mailbox

content/browser/renderer_host/render_widget_host_view_android.h

 // 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 CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 
+#include <map>
+
 #include "base/compiler_specific.h"
 #include "base/i18n/rtl.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process.h"
 #include "content/browser/renderer_host/ime_adapter_android.h"
 #include "content/browser/renderer_host/render_widget_host_view_base.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebExternalTextureLayer.h"
 #include "ui/gfx/size.h"
 
@@ skipping 68 matching lines @@
       const gfx::Rect& end_rect,
       WebKit::WebTextDirection end_direction) OVERRIDE;
   virtual void OnAcceleratedCompositingStateChange() OVERRIDE;
   virtual void AcceleratedSurfaceBuffersSwapped(
       const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params,
       int gpu_host_id) OVERRIDE;
   virtual void AcceleratedSurfacePostSubBuffer(
       const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params,
       int gpu_host_id) OVERRIDE;
   virtual void AcceleratedSurfaceSuspend() OVERRIDE;
+  virtual void AcceleratedSurfaceNew(int32 width_in_pixel,
+                                     int32 height_in_pixel,
+                                     uint64 surface_id,
+                                     const std::string& mailbox_name) OVERRIDE;
+  virtual void AcceleratedSurfaceRelease(uint64 surface_id) OVERRIDE;
   virtual bool HasAcceleratedSurface(const gfx::Size& desired_size) OVERRIDE;
   virtual void SetBackground(const SkBitmap& background) OVERRIDE;
   virtual void CopyFromCompositingSurface(
       const gfx::Rect& src_subrect,
       const gfx::Size& dst_size,
       const base::Callback<void(bool)>& callback,
       skia::PlatformBitmap* output) OVERRIDE;
   virtual BackingStore* AllocBackingStore(const gfx::Size& size) OVERRIDE;
   virtual gfx::GLSurfaceHandle GetCompositingSurface() OVERRIDE;
   virtual void GetScreenInfo(WebKit::WebScreenInfo* results) OVERRIDE;
@@ skipping 49 matching lines @@
   // Body background color of the underlying document.
   SkColor cached_background_color_;
 
   // The texture layer for this view when using browser-side compositing.
   scoped_ptr<WebKit::WebExternalTextureLayer> texture_layer_;
 
   // The handle for the transport surface (between renderer and browser-side
   // compositor) for this view.
   gfx::GLSurfaceHandle shared_surface_;
 
+  struct TextureInfo {
+    TextureInfo()
+        : id(0) {}
+
+    uint32 id;
+    scoped_array<signed char> mailbox_name;
+  };
+  typedef std::map<uint64, TextureInfo*> TextureMap;
+  // Maps a texture image transport buffer identifier to a texture that
+  // we created to host it.
+  TextureMap id_to_texture_map_;
+
+  // The identifier of the previously received frame
+  uint64 current_buffer_id_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_