drm/
resources.rs

1// Copyright 2016 The libdrm-rs project developers
2//
3// Permission is hereby granted, free of charge, to any person obtaining a copy of this software
4// and associated documentation files (the "Software"), to deal in the Software without
5// restriction, including without limitation the rights to use, copy, modify, merge, publish,
6// distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
7// Software is furnished to do so, subject to the following conditions:
8//
9// The above copyright notice and this permission notice shall be included in all copies or
10// substantial portions of the Software.
11//
12// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
13// BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
14// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
15// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
17
18use ffi;
19use encoder;
20use connector;
21use crtc;
22
23/// Resources structure.
24/// Can be obtained by call to `drm_mode::get_mode_resources`
25pub struct Resources {
26    resources: ffi::xf86drm_mode::drmModeResPtr,
27}
28
29/// General methods
30impl Resources {
31    /// `Resources` constructor.
32    /// Does not check if passed arguments are valid.
33    pub fn new(resources: ffi::xf86drm_mode::drmModeResPtr) -> Self {
34        Resources { resources: resources }
35    }
36}
37
38/// Getters for original members
39impl Resources {
40    /// Returns count of frame buffers.
41    #[inline]
42    pub fn get_count_fbs(&self) -> i32 {
43        unsafe { (*self.resources).count_fbs }
44    }
45
46    /// Returns count of CRTCs
47    #[inline]
48    pub fn get_count_crtcs(&self) -> i32 {
49        unsafe { (*self.resources).count_crtcs }
50    }
51
52    /// Return count of connectors.
53    #[inline]
54    pub fn get_count_connectors(&self) -> i32 {
55        unsafe { (*self.resources).count_connectors }
56    }
57
58    /// Return count of encoders.
59    #[inline]
60    pub fn get_count_encoders(&self) -> i32 {
61        unsafe { (*self.resources).count_encoders }
62    }
63
64    /// Return vector of CRTC ids.
65    pub fn get_crtcs(&self) -> Vec<crtc::CrtcId> {
66        let count = self.get_count_crtcs();
67        let mut vec = Vec::with_capacity(count as usize);
68        for pos in 0..count as isize {
69            vec.push(unsafe { *(*self.resources).crtcs.offset(pos) });
70        }
71        vec
72    }
73
74    /// Return vector of encoder ids.
75    pub fn get_encoders(&self) -> Vec<encoder::EncoderId> {
76        let count = self.get_count_encoders();
77        let mut vec = Vec::with_capacity(count as usize);
78        for pos in 0..count as isize {
79            vec.push(unsafe { *(*self.resources).encoders.offset(pos) });
80        }
81        vec
82    }
83
84    /// Return vector of connector ids.
85    pub fn get_connectors(&self) -> Vec<connector::ConnectorId> {
86        let count = self.get_count_connectors();
87        let mut vec = Vec::with_capacity(count as usize);
88        for pos in 0..count as isize {
89            vec.push(unsafe { *(*self.resources).connectors.offset(pos) });
90        }
91        vec
92    }
93}
94
95impl Drop for Resources {
96    fn drop(&mut self) {
97        unsafe { ffi::xf86drm_mode::drmModeFreeResources(self.resources) };
98    }
99}
drm/resources.rs

drm/
resources.rs
