+static int64_t
+gbm_dri_bo_get_offset(struct gbm_bo *_bo, int plane)
+{
+ struct gbm_dri_device *dri = gbm_dri_device(_bo->gbm);
+ struct gbm_dri_bo *bo = gbm_dri_bo(_bo);
+ int offset = 0;
+
+ if (!dri->image || dri->image->base.version < 13 || !dri->image->fromPlanar) {
+ errno = ENOSYS;
+ return -1;
+ }
+
+ if (plane >= get_number_planes(dri, bo->image)) {
+ errno = EINVAL;
+ return -2;
+ }
+
+ /* Dumb images have no offset */
+ if (bo->image == NULL) {
+ assert(plane == 0);
+ return 0;
+ }
+
+ __DRIimage *image = dri->image->fromPlanar(bo->image, plane, NULL);
+ if (image) {
+ dri->image->queryImage(image, __DRI_IMAGE_ATTRIB_OFFSET, &offset);
+ dri->image->destroyImage(image);
+ } else {
+ dri->image->queryImage(bo->image, __DRI_IMAGE_ATTRIB_OFFSET, &offset);
+ }
+
+ return (uint32_t)offset;
+}
+