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occlusion.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: Daniel van Vugt <daniel.van.vugt@canonical.com>
17  */
18 
19 #ifndef MIR_COMPOSITOR_OCCLUSION_H_
20 #define MIR_COMPOSITOR_OCCLUSION_H_
21 
22 #include "mir/compositor/scene.h"
23 #include <vector>
24 #include <set>
25 
26 namespace mir
27 {
28 namespace compositor
29 {
30 class CompositingCriteria;
31 
33 {
34 public:
36  bool operator()(const CompositingCriteria &criteria) override;
37 
38 private:
39  const geometry::Rectangle &area;
40 
41  typedef std::vector<geometry::Rectangle> RectangleList;
42  RectangleList coverage;
43 };
44 
46 {
47 public:
48  void operator()(const CompositingCriteria &,
49  surfaces::BufferStream &stream) override;
50 
51  bool occluded(const CompositingCriteria &criteria) const;
52 
53 private:
54  typedef std::set<const CompositingCriteria*> RenderableSet;
55  RenderableSet hidden;
56 };
57 
58 } // namespace compositor
59 } // namespace mir
60 
61 #endif // MIR_COMPOSITOR_OCCLUSION_H_

Copyright © 2012,2013 Canonical Ltd.
Generated on Wed Oct 30 18:52:19 UTC 2013