Mir
atomic_frame.h
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1 /*
2  * Copyright © 2016 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify it
5  * under the terms of the GNU Lesser General Public License version 3,
6  * as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU Lesser General Public License for more details.
12  *
13  * You should have received a copy of the GNU Lesser General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Daniel van Vugt <daniel.van.vugt@canonical.com>
17  */
18 
19 #ifndef MIR_GRAPHICS_ATOMIC_FRAME_H_
20 #define MIR_GRAPHICS_ATOMIC_FRAME_H_
21 
22 #include "mir/graphics/frame.h"
23 #include <mutex>
24 
25 namespace mir { namespace graphics {
26 
28 {
29 public:
30  Frame load() const;
31  // Preferably use this and provide all fields from the driver:
32  void store(Frame const&);
33  // Or if your driver is limited these will suffice:
34  void increment_now();
36 private:
37  mutable std::mutex mutex;
38  Frame frame;
39 };
40 
41 }} // namespace mir::graphics
42 
43 #endif // MIR_GRAPHICS_ATOMIC_FRAME_H_
Definition: as_render_target.h:27
void store(Frame const &)
void increment_with_timestamp(Frame::Timestamp t)
Frame is a unique identifier for a frame displayed on an output.
Definition: frame.h:37
Definition: atomic_frame.h:27
Definition: posix_timestamp.h:38

Copyright © 2012-2016 Canonical Ltd.
Generated on Mon Jun 5 11:07:25 UTC 2017