chromium/cc/tiles/checker_image_tracker.h

// Copyright 2017 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_TILES_CHECKER_IMAGE_TRACKER_H_
#define CC_TILES_CHECKER_IMAGE_TRACKER_H_

#include <memory>
#include <optional>
#include <unordered_map>
#include <vector>

#include "base/containers/contains.h"
#include "base/memory/raw_ptr.h"
#include "cc/cc_export.h"
#include "cc/paint/image_id.h"
#include "cc/tiles/image_controller.h"
#include "third_party/skia/include/core/SkImage.h"

namespace cc {

class CC_EXPORT CheckerImageTrackerClient { … };

// CheckerImageTracker is used to track the set of images in a frame which are
// decoded asynchronously, using the ImageDecodeService, from the rasterization
// of tiles which depend on them. Once decoded, these images are stored for
// invalidation on the next sync tree. TakeImagesToInvalidateOnSyncTree will
// return this set and maintain a copy to keeps these images locked until the
// sync tree is activated.
// Note: It is illegal to call TakeImagesToInvalidateOnSyncTree for the next
// sync tree until the previous tree is activated.
class CC_EXPORT CheckerImageTracker { … };

}  // namespace cc

#endif  // CC_TILES_CHECKER_IMAGE_TRACKER_H_