1 /****************************************************************************
2 Copyright © 2020 Roman Gilg <subdiff@gmail.com>
3 
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) version 3, or any
8 later version accepted by the membership of KDE e.V. (or its
9 successor approved by the membership of KDE e.V.), which shall
10 act as a proxy defined in Section 6 of version 3 of the license.
11 
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 Lesser General Public License for more details.
16 
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library.  If not, see <http://www.gnu.org/licenses/>.
19 ****************************************************************************/
20 #pragma once
21 
22 #include <QObject>
23 
24 #include <Wrapland/Server/wraplandserver_export.h>
25 
26 #include <ctime>
27 #include <memory>
28 
29 namespace Wrapland::Server
30 {
31 class Client;
32 class Display;
33 class Output;
34 class Surface;
35 
36 class WRAPLANDSERVER_EXPORT PresentationManager : public QObject
37 {
38     Q_OBJECT
39 public:
40     ~PresentationManager() override;
41 
42     clockid_t clockId() const;
43     void setClockId(clockid_t clockId);
44 
45 private:
46     friend class Display;
47     explicit PresentationManager(Display* display, QObject* parent = nullptr);
48 
49     class Private;
50     std::unique_ptr<Private> d_ptr;
51 };
52 
53 class WRAPLANDSERVER_EXPORT PresentationFeedback : public QObject
54 {
55     Q_OBJECT
56 public:
57     enum class Kind {
58         Vsync = 1 << 0,
59         HwClock = 1 << 1,
60         HwCompletion = 1 << 2,
61         ZeroCopy = 1 << 3,
62     };
63     Q_DECLARE_FLAGS(Kinds, Kind)
64 
65     ~PresentationFeedback() override;
66 
67     void sync(Output* output);
68     void presented(uint32_t tvSecHi,
69                    uint32_t tvSecLo,
70                    uint32_t tvNsec,
71                    uint32_t refresh,
72                    uint32_t seqHi,
73                    uint32_t seqLo,
74                    Kinds kinds);
75     void discarded();
76 
77 Q_SIGNALS:
78     void resourceDestroyed();
79 
80 private:
81     friend class PresentationManager;
82     explicit PresentationFeedback(Wrapland::Server::Client* client, uint32_t version, uint32_t id);
83 
84     class Private;
85     Private* d_ptr;
86 };
87 
88 }
89 
90 Q_DECLARE_METATYPE(Wrapland::Server::PresentationFeedback*)
91 Q_DECLARE_OPERATORS_FOR_FLAGS(Wrapland::Server::PresentationFeedback::Kinds)
92