st/mesa: notify u_vbuf/driver that draw index bounds are unknown for indirect

Reviewed-by: Eric Anholt <eric@anholt.net>

diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index dee69783adae945044ac736dd48e56baf49c9952..eb52d9505b68fc58910478608f0256151cc11a8c 100644 (file)
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -261,6 +261,7 @@ st_indirect_draw_vbo(struct gl_context *ctx,
    memset(&indirect, 0, sizeof(indirect));
    util_draw_init_info(&info);
    info.start = 0; /* index offset / index size */
+   info.max_index = ~0u; /* so that u_vbuf can tell that it's unknown */
 
    if (ib) {
       struct gl_buffer_object *bufobj = ib->obj;