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// Copyright (c) 2011 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_ACCELERATED_SURFACE_CONTAINER_TOUCH_H_
#define CHROME_BROWSER_RENDERER_HOST_ACCELERATED_SURFACE_CONTAINER_TOUCH_H_
#pragma once
#include "base/basictypes.h"
#include "ui/gfx/compositor/compositor_gl.h"
#include "ui/gfx/surface/transport_dib.h"
// Helper class for storing image data from the GPU process renderered
// on behalf of the RWHVV. It assumes that GL context that will display
// the image data is current when an instance of this object is created
// or destroyed.
class AcceleratedSurfaceContainerTouch : public ui::TextureGL {
public:
static AcceleratedSurfaceContainerTouch* CreateAcceleratedSurfaceContainer(
const gfx::Size& size);
// TextureGL implementation
virtual void SetCanvas(const SkCanvas& canvas,
const gfx::Point& origin,
const gfx::Size& overall_size) OVERRIDE;
// Initialize the surface container, and returns an ID for it.
// The |surface_id| given to this function may be modified, and the modified
// value should be used to identify the object.
virtual bool Initialize(uint64* surface_id) = 0;
// Some implementations of this class use shared memory, this is the handle
// to the shared buffer, which is part of the surface container.
virtual TransportDIB::Handle Handle() const;
protected:
explicit AcceleratedSurfaceContainerTouch(const gfx::Size& size);
private:
DISALLOW_COPY_AND_ASSIGN(AcceleratedSurfaceContainerTouch);
};
#endif // CHROME_BROWSER_RENDERER_HOST_ACCELERATED_SURFACE_CONTAINER_TOUCH_H_
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