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// Copyright (c) 2010 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 CHROME_BROWSER_RENDERER_HOST_GPU_VIEW_HOST_H_
#define CHROME_BROWSER_RENDERER_HOST_GPU_VIEW_HOST_H_
#pragma once
#include "base/basictypes.h"
#include "chrome/common/gpu_native_window_handle.h"
class BackingStore;
class GpuProcessHostUIShim;
class RenderWidgetHost;
class VideoLayer;
namespace gfx {
class Size;
}
// A proxy for the GPU process' window for rendering pages.
class GpuViewHost {
public:
GpuViewHost(RenderWidgetHost* widget, GpuNativeWindowHandle parent);
~GpuViewHost();
// Creates a new backing store in the GPU process and returns ownership of
// the new pointer to the caller.
BackingStore* CreateBackingStore(const gfx::Size& size);
// Creates a new video layer in the GPU process and returns ownership of the
// new pointer to the caller.
VideoLayer* CreateVideoLayer(const gfx::Size& size);
// Notification that the RenderWidgetHost has been asked to paint the window.
// Depending on the backing store, the GPU backing store may have to repaint
// at this time. On Linux this is needed because the GPU process paints
// directly into the RWH's X window.
void OnWindowPainted();
private:
RenderWidgetHost* widget_;
GpuProcessHostUIShim* process_shim_;
int32 routing_id_;
DISALLOW_COPY_AND_ASSIGN(GpuViewHost);
};
#endif // CHROME_BROWSER_RENDERER_HOST_GPU_VIEW_HOST_H_
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