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drm_mode_resources.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_GRAPHICS_GBM_DRM_MODE_RESOURCES_H_
20 #define MIR_GRAPHICS_GBM_DRM_MODE_RESOURCES_H_
21 
22 #include <xf86drm.h>
23 #include <xf86drmMode.h>
24 
25 #include <memory>
26 #include <functional>
27 
28 namespace mir
29 {
30 namespace graphics
31 {
32 namespace gbm
33 {
34 
35 typedef std::unique_ptr<drmModeCrtc,std::function<void(drmModeCrtc*)>> DRMModeCrtcUPtr;
36 typedef std::unique_ptr<drmModeEncoder,std::function<void(drmModeEncoder*)>> DRMModeEncoderUPtr;
37 typedef std::unique_ptr<drmModeConnector,std::function<void(drmModeConnector*)>> DRMModeConnectorUPtr;
38 typedef std::unique_ptr<drmModeRes,std::function<void(drmModeRes*)>> DRMModeResUPtr;
39 
41 {
42 public:
43  explicit DRMModeResources(int drm_fd);
44 
45  void for_each_connector(std::function<void(DRMModeConnectorUPtr)> const& f) const;
46  void for_each_encoder(std::function<void(DRMModeEncoderUPtr)> const& f) const;
47  void for_each_crtc(std::function<void(DRMModeCrtcUPtr)> const& f) const;
48 
49  size_t num_connectors();
50  size_t num_encoders();
51  size_t num_crtcs();
52 
53  DRMModeConnectorUPtr connector(uint32_t id) const;
54  DRMModeEncoderUPtr encoder(uint32_t id) const;
55  DRMModeCrtcUPtr crtc(uint32_t id) const;
56 
57 private:
58  int const drm_fd;
59  DRMModeResUPtr const resources;
60 };
61 
62 }
63 }
64 }
65 
66 #endif /* MIR_GRAPHICS_GBM_DRM_MODE_RESOURCES_H_ */

Copyright © 2012,2013 Canonical Ltd.
Generated on Tue Oct 15 00:23:28 UTC 2013