backend/x11: always open render node

If we get an authenticated primary node from the X11 server, don't use
it because we can't authenticate our Wayland clients with it. Instead,
open a render node.

Closes: https://github.com/swaywm/wlroots/issues/2576
This commit is contained in:
Simon Ser 2020-12-30 10:19:50 +01:00
parent 4b03bdc3ab
commit 1491ec42da
1 changed files with 18 additions and 0 deletions

View File

@ -7,6 +7,7 @@
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <xf86drm.h>
#include <wlr/config.h>
@ -268,6 +269,23 @@ static int query_dri3_drm_fd(struct wlr_x11_backend *x11) {
return -1;
}
if (drmGetNodeTypeFromFd(drm_fd) != DRM_NODE_RENDER) {
char *render_name = drmGetRenderDeviceNameFromFd(drm_fd);
if (render_name == NULL) {
close(drm_fd);
return -1;
}
close(drm_fd);
drm_fd = open(render_name, O_RDWR | O_CLOEXEC);
if (drm_fd < 0) {
free(render_name);
return -1;
}
free(render_name);
}
return drm_fd;
}