chromium/cc/trees/damage_tracker.h

// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CC_TREES_DAMAGE_TRACKER_H_
#define CC_TREES_DAMAGE_TRACKER_H_

#include <algorithm>
#include <memory>
#include <utility>
#include <vector>

#include "base/memory/raw_ptr.h"
#include "cc/cc_export.h"
#include "cc/layers/layer_collections.h"
#include "cc/layers/view_transition_content_layer_impl.h"
#include "cc/paint/element_id.h"
#include "cc/trees/damage_reason.h"
#include "ui/gfx/geometry/rect.h"

namespace gfx {
class Rect;
}

namespace cc {

class FilterOperations;
class LayerImpl;
class LayerTreeImpl;
class RenderSurfaceImpl;

// Computes the region where pixels have actually changed on a
// RenderSurfaceImpl. This region is used to scissor what is actually drawn to
// the screen to save GPU computation and bandwidth.
class CC_EXPORT DamageTracker { … };

}  // namespace cc

#endif  // CC_TREES_DAMAGE_TRACKER_H_