Global GPU memory manager for android webview

android_webview/browser/shared_renderer_state.h

 // Copyright 2014 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 ANDROID_WEBVIEW_BROWSER_SHARED_RENDERER_STATE_H_
 #define ANDROID_WEBVIEW_BROWSER_SHARED_RENDERER_STATE_H_
 
 #include "base/message_loop/message_loop_proxy.h"
 #include "content/public/browser/android/synchronous_compositor.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/vector2d.h"
 
 namespace android_webview {
 
 class BrowserViewRendererClient;
-

[boliu, 2014/04/28 22:22:15]

spurious remove

[hush (inactive), 2014/04/30 20:50:17]

Done.

 // Set by BrowserViewRenderer and read by HardwareRenderer.
 struct DrawGLInput {
   unsigned int frame_id;
   gfx::Rect global_visible_rect;
   gfx::Vector2d scroll_offset;
   int width;
   int height;
 
   DrawGLInput();
 };
@@ skipping 17 matching lines @@
                       BrowserViewRendererClient* client);
   ~SharedRendererState();
 
   void ClientRequestDrawGL();
 
   // This function should only be called on UI thread.
   void SetCompositorOnUiThread(content::SynchronousCompositor* compositor);
 
   // This function can be called on both UI and RT thread.
   content::SynchronousCompositor* GetCompositor();
+
+  void SetMemoryPolicy(const content::SynchronousCompositorMemoryPolicy policy);
+  content::SynchronousCompositorMemoryPolicy GetMemoryPolicy() const;
+
   void SetDrawGLInput(const DrawGLInput& input);
   DrawGLInput GetDrawGLInput() const;
 
  private:
   void ClientRequestDrawGLOnUIThread();
 
   scoped_refptr<base::MessageLoopProxy> ui_loop_;
   // TODO(boliu): Remove |client_on_ui_| from shared state.
   BrowserViewRendererClient* client_on_ui_;
   base::WeakPtrFactory<SharedRendererState> weak_factory_on_ui_thread_;
   base::WeakPtr<SharedRendererState> ui_thread_weak_ptr_;
 
   // Accessed by both UI and RT thread.
   content::SynchronousCompositor* compositor_;
+  content::SynchronousCompositorMemoryPolicy memory_policy_;
   DrawGLInput draw_gl_input_;
 };
 
 }  // namespace android_webview
 
 #endif  // ANDROID_WEBVIEW_BROWSER_SHARED_RENDERER_STATE_H_