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// 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 UI_GFX_SURFACE_ACCELERATED_SURFACE_WIN_H_
#define UI_GFX_SURFACE_ACCELERATED_SURFACE_WIN_H_
#pragma once
#include "base/callback_forward.h"
#include "base/memory/linked_ptr.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/size.h"
#include "ui/gfx/surface/surface_export.h"
class AcceleratedPresenter;
class SURFACE_EXPORT AcceleratedSurface {
public:
AcceleratedSurface();
~AcceleratedSurface();
// Schedule a frame to be presented. The completion callback will be invoked
// when it is safe to write to the surface on another thread. The lock for
// this surface will be held while the completion callback runs.
void AsyncPresentAndAcknowledge(HWND window,
const gfx::Size& size,
int64 surface_id,
const base::Closure& completion_task);
// Synchronously present a frame with no acknowledgement.
bool Present(HWND window);
// Temporarily release resources until a new surface is asynchronously
// presented. Present will not be able to represent the last surface after
// calling this and will return false.
void Suspend();
private:
linked_ptr<AcceleratedPresenter> presenter_;
DISALLOW_COPY_AND_ASSIGN(AcceleratedSurface);
};
#endif // UI_GFX_SURFACE_ACCELERATED_SURFACE_WIN_H_
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