Add RGB565 Texture readback support in gl_helper

content/browser/android/content_view_core_impl.h

 // Copyright 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_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 #define CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_
 
 #include <vector>
 
 #include "base/android/jni_android.h"
@@ skipping 289 matching lines @@
   gfx::Size GetPhysicalBackingSize() const;
   gfx::Size GetViewportSizeDip() const;
   gfx::Size GetViewportSizeOffsetDip() const;
   float GetOverdrawBottomHeightDip() const;
 
   void AttachLayer(scoped_refptr<cc::Layer> layer);
   void RemoveLayer(scoped_refptr<cc::Layer> layer);
   void AddBeginFrameSubscriber();
   void RemoveBeginFrameSubscriber();
   void SetNeedsAnimate();
+  void PopulateBitmapAsync(gfx::Rect src_subrect,
+                           gfx::Size dst_size,
+                           bool readback_config_rgb565);
+  bool IsReadBackConfig565();
 
  private:
   class ContentViewUserData;
 
   friend class ContentViewUserData;
   virtual ~ContentViewCoreImpl();
 
   // NotificationObserver implementation.
   virtual void Observe(int type,
                        const NotificationSource& source,
@@ skipping 55 matching lines @@
 
   // The owning window that has a hold of main application activity.
   ui::WindowAndroid* window_android_;
 
   // The cache of device's current orientation set from Java side, this value
   // will be sent to Renderer once it is ready.
   int device_orientation_;
 
   bool geolocation_needs_pause_;
 
+  bool bitmap_config_is_565_;
+
   DISALLOW_COPY_AND_ASSIGN(ContentViewCoreImpl);
 };
 
 bool RegisterContentViewCore(JNIEnv* env);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ANDROID_CONTENT_VIEW_CORE_IMPL_H_