backend/drm: export pending FB in export_dmabuf, if any
This allows callers to grab the current frame right after committing it,
without having to incur a full vblank worth of latency.
@@ -639,13 +639,15 @@ static bool drm_connector_export_dmabuf(struct wlr_output *output,
return false;
}
- struct wlr_drm_plane *plane = crtc->primary;
-
- if (plane->current_fb.type == WLR_DRM_FB_TYPE_NONE) {
+ struct wlr_drm_fb *fb = &crtc->primary->queued_fb;
+ if (fb->type == WLR_DRM_FB_TYPE_NONE) {
+ fb = &crtc->primary->current_fb;
+ }
+ if (fb->type == WLR_DRM_FB_TYPE_NONE) {
return false;
}
- return export_drm_bo(plane->current_fb.bo, attribs);
+ return export_drm_bo(fb->bo, attribs);
}
struct wlr_drm_fb *plane_get_next_fb(struct wlr_drm_plane *plane) {
