backend/drm: reject DMA-BUFs with flags
We cannot scan-out DMA-BUFs with any flag right now.
@@ -383,6 +383,12 @@ static struct wlr_drm_fb *drm_fb_create(struct wlr_drm_backend *drm,
goto error_get_dmabuf;
}
+ if (attribs.flags != 0) {
+ wlr_log(WLR_DEBUG, "Buffer with DMA-BUF flags 0x%"PRIX32" cannot be "
+ "scanned out", attribs.flags);
+ goto error_get_dmabuf;
+ }
+
if (formats && !wlr_drm_format_set_has(formats, attribs.format,
attribs.modifier)) {
// The format isn't supported by the plane. Try stripping the alpha
