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output: introduce wlr_output_set_name

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wlroots picks names for all outputs, but it might be desirable for
compositor to override it.

For instance, Sway will use a headless output as a fallback in
case no outputs are connected. Sway wants to clearly label the
fallback output as such and label "real" headless outputs starting
from HEADLESS-1.
This commit is contained in:
Simon Ser 2021-12-09 15:43:19 +01:00
parent 1fbd13ec79
commit 36a2b19485
6 changed files with 33 additions and 9 deletions
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3
backend/drm/drm.c
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@ -1299,8 +1299,7 @@ void scan_drm_connectors(struct wlr_drm_backend *drm,
wlr_output_init(&wlr_conn->output, &drm->backend, &output_impl,
drm->display);
memcpy(wlr_conn->output.name, wlr_conn->name,
sizeof(wlr_conn->output.name));
wlr_output_set_name(&wlr_conn->output, wlr_conn->name);
wlr_conn->output.phys_width = drm_conn->mmWidth;
wlr_conn->output.phys_height = drm_conn->mmHeight;