vbo: fix divide by zero exception

Fixes bug 23489.
2009-08-24 12:43:57 -06:00
parent 0a24e50111
commit 93aa0fd81c
1 changed files with 1 additions and 1 deletions
--- a/src/mesa/vbo/vbo_exec_draw.c
+++ b/src/mesa/vbo/vbo_exec_draw.c
@@ -398,7 +398,7 @@ vbo_exec_vtx_flush( struct vbo_exec_context *exec, GLboolean unmap )
      vbo_exec_vtx_unmap( exec );
   }

-   if (unmap) 
+   if (unmap || exec->vtx.vertex_size == 0)
      exec->vtx.max_vert = 0;
   else
      exec->vtx.max_vert = ((VBO_VERT_BUFFER_SIZE - exec->vtx.buffer_used) /