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// Copyright 2013 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 CC_RESOURCES_SYNC_POINT_HELPER_H_
#define CC_RESOURCES_SYNC_POINT_HELPER_H_
#include "base/callback.h"
#include "cc/base/cc_export.h"
namespace WebKit { class WebGraphicsContext3D; }
namespace cc {
class CC_EXPORT SyncPointHelper {
public:
// Requests a callback to |closure| when the |sync_point| is reached by the
// |context3d|.
//
// If the |context3d| is destroyed or lost before the callback fires, then
// AbortBecauseDidLoseOrDestroyContext() must be called to clean up the
// callback's resources.
static void SignalSyncPoint(WebKit::WebGraphicsContext3D* context3d,
unsigned sync_point,
const base::Closure& closure);
// Requests a callback to |closure| when the results for |query| is available.
//
// If the |context3d| is destroyed or lost before the callback fires, then
// AbortBecauseDidLoseOrDestroyContext() must be called to clean up the
// callback's resources.
static void SignalQuery(WebKit::WebGraphicsContext3D* context3d,
unsigned int query,
const base::Closure& closure);
private:
SyncPointHelper();
DISALLOW_COPY_AND_ASSIGN(SyncPointHelper);
};
} // namespace cc
#endif // CC_RESOURCES_SYNC_POINT_HELPER_H_
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