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render/allocator: fallback to renderer DRM FD in autocreate

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If the backend doesn't have a DRM FD, fallback to the renderer's.
This accomodates for the situation where the headless backend hasn't
picked a DRM FD in particular, but the renderer has picked one.
This commit is contained in:
Simon Ser 2021-11-24 10:33:13 +01:00 committed by Simon Zeni
parent bf57825560
commit e4f748c6e9
1 changed files with 3 additions and 0 deletions
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render/allocator/allocator.c
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@ -139,6 +139,9 @@ struct wlr_allocator *wlr_allocator_autocreate(struct wlr_backend *backend,
struct wlr_renderer *renderer) {
// Note, drm_fd may be negative if unavailable
int drm_fd = wlr_backend_get_drm_fd(backend);
if (drm_fd < 0) {
drm_fd = wlr_renderer_get_drm_fd(renderer);
}
return allocator_autocreate_with_drm_fd(backend, renderer, drm_fd);
}