libdrm_amdgpu_sys/drm_mode/
crtc.rs

1use crate::{bindings, drmModeObjectProperties, LibDrm};
2use bindings::drmModeCrtcPtr;
3pub use bindings::drmModeCrtc;
4
5#[allow(dead_code)]
6#[derive(Clone)]
7struct WrapperDrmModeCrtcPtr {
8    pub(crate) ptr: drmModeCrtcPtr,
9    pub(crate) lib: LibDrm,
10}
11
12impl LibDrm {
13    pub fn get_drm_mode_crtc(&self, fd: i32, crtc_id: u32) -> Option<drmModeCrtc> {
14        #[cfg(feature = "link_drm")]
15        let func = bindings::drmModeGetCrtc;
16        #[cfg(feature = "dynamic_loading")]
17        let func = self.libdrm.drmModeGetCrtc;
18
19        let ptr = unsafe { func(fd, crtc_id) };
20
21        if ptr.is_null() { return None; }
22
23        let wrapper = WrapperDrmModeCrtcPtr { ptr, lib: self.clone() };
24
25        Some(unsafe { wrapper.ptr.read() })
26    }
27
28    pub fn get_drm_mode_crtc_props(
29        &self,
30        fd: i32,
31        crtc_id: u32,
32    ) -> Option<drmModeObjectProperties> {
33        self.get_drm_mode_object_properties(
34            fd,
35            crtc_id,
36            bindings::DRM_MODE_OBJECT_CRTC,
37        )
38    }
39}
40
41impl drmModeCrtc {
42    #[cfg(feature = "link_drm")]
43    pub fn get(fd: i32, crtc_id: u32) -> Option<Self> {
44        let ptr = unsafe { bindings::drmModeGetCrtc(fd, crtc_id) };
45
46        if ptr.is_null() { return None; }
47
48        let wrapper = WrapperDrmModeCrtcPtr { ptr, lib: LibDrm::new().unwrap() };
49
50        Some(unsafe { wrapper.ptr.read() })
51    }
52
53    #[cfg(feature = "link_drm")]
54    pub fn get_crtc_props(&self, fd: i32) -> Option<drmModeObjectProperties> {
55        drmModeObjectProperties::get(
56            fd,
57            self.crtc_id,
58            bindings::DRM_MODE_OBJECT_CRTC,
59        )
60    }
61
62    pub fn mode_valid(&self) -> bool {
63        self.mode_valid == 1
64    }
65}
66
67impl Drop for WrapperDrmModeCrtcPtr {
68    fn drop(&mut self) {
69        #[cfg(feature = "link_drm")]
70        let func = bindings::drmModeFreeCrtc;
71        #[cfg(feature = "dynamic_loading")]
72        let func = self.lib.libdrm.drmModeFreeCrtc;
73
74	    unsafe { func(self.ptr); }
75    }
76}
libdrm_amdgpu_sys/drm_mode/crtc.rs

libdrm_amdgpu_sys/drm_mode/
crtc.rs
