From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Wed, 5 Nov 2008 21:05:42 +0000 (-0700)
Subject: gallium: added check for degenerate drawing calls
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=de14fdd63f26a2e6fc55fad92c08966f269601a6;p=mesa.git

gallium: added check for degenerate drawing calls
---

diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index ed3ae3e91a2..7cf06da43cc 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 */