* get the minimum and maximum of their index buffer so we know what range
* to upload.
*/
- if (!vbo_all_varyings_in_vbos(arrays) && !index_bounds_valid) {
+ if (!index_bounds_valid &&
+ (ctx->RenderMode != GL_RENDER || !vbo_all_varyings_in_vbos(arrays))) {
perf_debug("Scanning index buffer to compute index buffer bounds. "
"Use glDrawRangeElements() to avoid this.\n");
vbo_get_minmax_indices(ctx, prims, ib, &min_index, &max_index, nr_prims);