1/*
2 * Copyright (C) 2018 Metrological Group B.V.
3 * Copyright (C) 2018 Igalia S.L.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following
13 * disclaimer in the documentation and/or other materials provided
14 * with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#pragma once
30
31#if USE(TEXTURE_MAPPER)
32
33#include "NicosiaPlatformLayer.h"
34#include <wtf/Lock.h>
35#include <wtf/Ref.h>
36
37namespace WebCore {
38class TextureMapperPlatformLayerProxy;
39}
40
41namespace Nicosia {
42
43class ContentLayerTextureMapperImpl final : public ContentLayer::Impl {
44public:
45 class Client {
46 public:
47 virtual ~Client();
48 virtual void swapBuffersIfNeeded() = 0;
49 };
50
51 static Factory createFactory(Client&);
52
53 explicit ContentLayerTextureMapperImpl(Client&);
54 virtual ~ContentLayerTextureMapperImpl();
55 bool isTextureMapperImpl() const override { return true; }
56
57 void invalidateClient();
58
59 bool flushUpdate();
60
61 WebCore::TextureMapperPlatformLayerProxy& proxy() const { return m_proxy; }
62 void swapBuffersIfNeeded();
63
64private:
65 Ref<WebCore::TextureMapperPlatformLayerProxy> m_proxy;
66 struct {
67 Lock lock;
68 Client* client { nullptr };
69 bool pendingUpdate { true }; // Starts off with a pending update.
70 } m_client;
71};
72
73} // namespace Nicosia
74
75SPECIALIZE_TYPE_TRAITS_NICOSIA_CONTENTLAYER_IMPL(ContentLayerTextureMapperImpl, isTextureMapperImpl());
76
77#endif // USE(TEXTURE_MAPPER)
78