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gbm: handle render nodes that cannot allocate buffers

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This commit is contained in:
Julian Orth 2026-03-14 14:04:58 +01:00
parent 31f865441b
commit 8ff205a266
2 changed files with 33 additions and 15 deletions
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16
src/video/drm.rs
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@ -168,11 +168,13 @@ fn reopen(fd: c::c_int, need_primary: bool) -> Result<Rc<OwnedFd>, DrmError> {
return Ok(Rc::new(fd));
}
let path = 'path: {
if get_node_type_from_fd(fd).map_err(DrmError::GetDeviceType)? == NodeType::Render {
break 'path uapi::format_ustr!("/proc/self/fd/{}", fd);
}
if !need_primary && let Ok(path) = render_node_name(fd) {
break 'path path;
if !need_primary {
if get_node_type_from_fd(fd).map_err(DrmError::GetDeviceType)? == NodeType::Render {
break 'path uapi::format_ustr!("/proc/self/fd/{}", fd);
}
if let Ok(path) = render_node_name(fd) {
break 'path path;
}
}
device_node_name(fd)?
};
@ -212,6 +214,10 @@ impl Drm {
self.fd.raw()
}
pub fn dup_primary(&self) -> Result<Self, DrmError> {
Self::reopen(self.fd.raw(), true)
}
pub fn dup_render(&self) -> Result<Self, DrmError> {
Self::reopen(self.fd.raw(), false)
}