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null_display.h
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1 /*
2  * Copyright © 2013 Canonical Ltd.
3  *
4  * This program is free software: you can redistribute it and/or modify it
5  * under the terms of the GNU 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 General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  * Authored by: Alexandros Frantzis <alexandros.frantzis@canonical.com>
17  */
18 
19 #ifndef MIR_TEST_DOUBLES_NULL_DISPLAY_H_
20 #define MIR_TEST_DOUBLES_NULL_DISPLAY_H_
21 
22 #include "mir/graphics/display.h"
23 #include "null_gl_context.h"
25 #include <thread>
26 
27 namespace mir
28 {
29 namespace test
30 {
31 namespace doubles
32 {
33 
35 {
36  public:
37  void for_each_display_buffer(std::function<void(graphics::DisplayBuffer&)> const&)
38  {
39  /* yield() is needed to ensure reasonable runtime under valgrind for some tests */
40  std::this_thread::yield();
41  }
42  std::shared_ptr<graphics::DisplayConfiguration> configuration()
43  {
44  return std::make_shared<NullDisplayConfiguration>();
45  }
50  {
51  }
54  graphics::DisplayResumeHandler const&) override
55  {
56  }
57  void pause() {}
58  void resume() {}
59  std::weak_ptr<graphics::Cursor> the_cursor() { return {}; }
60  std::unique_ptr<graphics::GLContext> create_gl_context()
61  {
62  return std::unique_ptr<NullGLContext>{new NullGLContext()};
63  }
64 };
65 
66 }
67 }
68 }
69 
70 #endif /* MIR_TEST_DOUBLES_NULL_DISPLAY_H_ */

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