si_get_draw_start_count(sctx, info, &start, &count);
start_offset = start * ib.index_size;
- u_upload_alloc(sctx->b.uploader, start_offset, count * 2,
+ u_upload_alloc(sctx->b.uploader, start_offset, count * 2, 256,
&out_offset, &out_buffer, &ptr);
if (!out_buffer) {
pipe_resource_reference(&ib.buffer, NULL);