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-rw-r--r--src/gallium/auxiliary/util/u_vbuf_mgr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/util/u_vbuf_mgr.c b/src/gallium/auxiliary/util/u_vbuf_mgr.c
index b2eaff851ac..dea2928f950 100644
--- a/src/gallium/auxiliary/util/u_vbuf_mgr.c
+++ b/src/gallium/auxiliary/util/u_vbuf_mgr.c
@@ -499,7 +499,7 @@ void u_vbuf_mgr_set_vertex_buffers(struct u_vbuf_mgr *mgrb,
/* Update the maximum index. */
mgr->b.max_index =
MIN2(mgr->b.max_index,
- (vb->buffer->width0 - vb->buffer_offset) / vb->stride);
+ (vb->buffer->width0 - vb->buffer_offset) / vb->stride - 1);
}
for (; i < mgr->b.nr_real_vertex_buffers; i++) {