chromium/third_party/blink/renderer/platform/graphics/compositing/chunk_to_layer_mapper.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_COMPOSITING_CHUNK_TO_LAYER_MAPPER_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_COMPOSITING_CHUNK_TO_LAYER_MAPPER_H_

#include "third_party/blink/renderer/platform/graphics/paint/display_item_client.h"
#include "third_party/blink/renderer/platform/graphics/paint/float_clip_rect.h"
#include "third_party/blink/renderer/platform/graphics/paint/geometry_mapper.h"
#include "third_party/blink/renderer/platform/graphics/paint/property_tree_state.h"

namespace blink {

struct PaintChunk;

// Maps geometry from PaintChunks to the containing composited layer.
// It provides higher performance than GeometryMapper by reusing computed
// transforms and clips for unchanged states within or across paint chunks.
class PLATFORM_EXPORT ChunkToLayerMapper { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_COMPOSITING_CHUNK_TO_LAYER_MAPPER_H_