Otherwise, if we had a set of prims passed in with a num_instances varying between them, we wouldn't upload enough (or too much!) from user vertex arrays. --- src/mesa/drivers/dri/i965/brw_draw.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_draw.c b/src/mesa/drivers/dri/i965/brw_draw.c index 1cfba29..22d18f9 100644 --- a/src/mesa/drivers/dri/i965/brw_draw.c +++ b/src/mesa/drivers/dri/i965/brw_draw.c @@ -474,7 +474,10 @@ static bool brw_try_draw_prims( struct gl_context *ctx, intel_batchbuffer_require_space(intel, estimated_max_prim_size, false); intel_batchbuffer_save_state(intel); - brw->num_instances = prim->num_instances; + if (brw->num_instances != prim->num_instances) { + brw->num_instances = prim->num_instances; + brw->state.dirty.brw |= BRW_NEW_VERTICES; + } if (intel->gen < 6) brw_set_prim(brw, &prim[i]); else -- 1.7.10.4 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev