From de14fdd63f26a2e6fc55fad92c08966f269601a6 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Wed, 5 Nov 2008 14:05:42 -0700
Subject: gallium: added check for degenerate drawing calls

---
 src/mesa/state_tracker/st_draw.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src')

diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index ed3ae3e91a..7cf06da43c 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -584,6 +584,9 @@ st_draw_vbo(GLcontext *ctx,
    pipe->set_vertex_buffers(pipe, num_vbuffers, vbuffer);
    pipe->set_vertex_elements(pipe, num_velements, velements);
 
+   if (num_vbuffers == 0 || num_velements == 0)
+      return;
+
    /* do actual drawing */
    if (ib) {
       /* indexed primitive */
-- 
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