1/*
2 * Copyright (C) 2016 Igalia S.L.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include <wtf/Noncopyable.h>
29
30typedef struct _cairo cairo_t;
31
32namespace WebCore {
33class IntRect;
34}
35
36namespace WebKit {
37
38class LayerTreeContext;
39class WebPageProxy;
40
41class AcceleratedBackingStore {
42 WTF_MAKE_NONCOPYABLE(AcceleratedBackingStore); WTF_MAKE_FAST_ALLOCATED;
43public:
44 static std::unique_ptr<AcceleratedBackingStore> create(WebPageProxy&);
45 virtual ~AcceleratedBackingStore() = default;
46
47 virtual void update(const LayerTreeContext&) { }
48 virtual bool paint(cairo_t*, const WebCore::IntRect&) = 0;
49 virtual bool makeContextCurrent() { return false; }
50 virtual int renderHostFileDescriptor() { return -1; }
51
52protected:
53 AcceleratedBackingStore(WebPageProxy&);
54
55 WebPageProxy& m_webPage;
56};
57
58} // namespace WebKit
59