translate: disable clamping of instanced array indexes

This fixes piglit's draw-instanced-divisor test for softpipe on both
the generic and SSE paths.  This is temporary until we have the
correct per-array max_index information.

1 files changed, 6 insertions, 3 deletions

diff --git a/src/gallium/auxiliary/translate/translate_generic.c b/src/gallium/auxiliary/translate/translate_generic.c
index ad809db720d..e4e1c868333 100644
--- a/src/gallium/auxiliary/translate/translate_generic.c
+++ b/src/gallium/auxiliary/translate/translate_generic.c
@@ -381,14 +381,17 @@ static ALWAYS_INLINE void PIPE_CDECL generic_run_one( struct translate_generic *
 
          if (tg->attrib[attr].instance_divisor) {
             index = instance_id / tg->attrib[attr].instance_divisor;
+            /* XXX we need to clamp the index here too, but to a
+             * per-array max value, not the draw->pt.max_index value
+             * that's being given to us via translate->set_buffer().
+             */
          }
          else {
             index = elt;
+            /* clamp to avoid going out of bounds */
+            index = MIN2(index, tg->attrib[attr].max_index);
          }
 
-         /* clamp to void going out of bounds */
-         index = MIN2(index, tg->attrib[attr].max_index);
-
          src = tg->attrib[attr].input_ptr +
                tg->attrib[attr].input_stride * index;