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-rw-r--r--src/gallium/auxiliary/draw/draw_vertex_cache.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vertex_cache.c b/src/gallium/auxiliary/draw/draw_vertex_cache.c
index 53f8bbec44..161b247d4e 100644
--- a/src/gallium/auxiliary/draw/draw_vertex_cache.c
+++ b/src/gallium/auxiliary/draw/draw_vertex_cache.c
@@ -41,7 +41,11 @@ void draw_vertex_cache_invalidate( struct draw_context *draw )
assert(draw->vs.queue_nr == 0);
assert(draw->vcache.referenced == 0);
-// memset(draw->vcache.idx, ~0, sizeof(draw->vcache.idx));
+ /* There's an error somewhere in the vcache code that requires this
+ * memset. The bug is exposed in q3demo demo001, but probably
+ * elsewhere as well. Will track it down later.
+ */
+ memset(draw->vcache.idx, ~0, sizeof(draw->vcache.idx));
}