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// 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 CC_OUTPUT_OVERLAY_CANDIDATE_VALIDATOR_H_
#define CC_OUTPUT_OVERLAY_CANDIDATE_VALIDATOR_H_
#include <vector>
#include "base/basictypes.h"
#include "cc/base/cc_export.h"
#include "cc/output/overlay_candidate.h"
#include "cc/resources/resource_format.h"
#include "ui/gfx/geometry/rect.h"
namespace cc {
// This class that can be used to answer questions about possible overlay
// configurations for a particular output device.
class CC_EXPORT OverlayCandidateValidator {
public:
// A list of possible overlay candidates is presented to this function.
// The expected result is that those candidates that can be in a separate
// plane are marked with |overlay_handled| set to true, otherwise they are
// to be traditionally composited.
virtual void CheckOverlaySupport(OverlayCandidateList* surfaces) = 0;
virtual ~OverlayCandidateValidator() {}
};
} // namespace cc
#endif // CC_OUTPUT_OVERLAY_CANDIDATE_VALIDATOR_H_
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