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/*
* Copyright (C) 2022 Sony Interactive Entertainment Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if USE(GRAPHICS_LAYER_WC)
#include <WebCore/IntRect.h>
#include <WebCore/TextureMapperSparseBackingStore.h>
#include <wtf/TZoneMalloc.h>
namespace WebKit {
class WCTileGrid {
public:
using TileIndex = WebCore::TextureMapperSparseBackingStore::TileIndex;
class Tile {
WTF_MAKE_TZONE_ALLOCATED(WCTileGrid);
WTF_MAKE_NONCOPYABLE(Tile);
public:
Tile(WebCore::IntRect);
bool willRemove() const { return m_willRemove; }
void setWillRemove(bool v) { m_willRemove = v; }
void addDirtyRect(const WebCore::IntRect&);
void clearDirtyRect();
bool hasDirtyRect() const;
WebCore::IntRect& dirtyRect() { return m_dirtyRect; }
private:
bool m_willRemove { false };
WebCore::IntRect m_tileRect;
WebCore::IntRect m_dirtyRect;
};
void setSize(const WebCore::IntSize&);
void addDirtyRect(const WebCore::IntRect&);
void clearDirtyRects();
bool setCoverageRect(const WebCore::IntRect&);
auto& tiles() { return m_tiles; }
WebCore::IntSize tilePixelSize() const;
private:
bool ensureTile(TileIndex);
WebCore::IntRect tileRectFromPixelRect(const WebCore::IntRect&);
WebCore::IntSize tileSizeFromPixelSize(const WebCore::IntSize&);
WebCore::IntSize m_size;
HashMap<TileIndex, std::unique_ptr<Tile>> m_tiles;
};
} // namespace WebKit
#endif // USE(GRAPHICS_LAYER_WC)
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