1/*
2 Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License as published by the Free Software Foundation; either
7 version 2 of the License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public License
15 along with this library; see the file COPYING.LIB. If not, write to
16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 Boston, MA 02110-1301, USA.
18 */
19
20#pragma once
21
22#include "TextureMapperPlatformLayer.h"
23#include <wtf/RefPtr.h>
24
25namespace WebCore {
26
27class FloatRect;
28class TextureMapper;
29
30class TextureMapperBackingStore : public TextureMapperPlatformLayer {
31public:
32 virtual ~TextureMapperBackingStore() = default;
33
34 void paintToTextureMapper(TextureMapper&, const FloatRect&, const TransformationMatrix&, float) override = 0;
35 virtual void drawRepaintCounter(TextureMapper&, int, const Color&, const FloatRect&, const TransformationMatrix&) { }
36
37protected:
38 WEBCORE_EXPORT static unsigned calculateExposedTileEdges(const FloatRect& totalRect, const FloatRect& tileRect);
39};
40
41} // namespace WebCore
42