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authorBrian Paul <brian.paul@tungstengraphics.com>2001-05-10 17:55:54 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2001-05-10 17:55:54 +0000
commita5cc6155d425b1a94e576e0c87140557051b7505 (patch)
tree80b5f6832fc2d6501a447d4c1c16007e620d0604 /src/mesa/swrast
parentdbed2027444338dc09fc102d6f4bd5c707c238d7 (diff)
added check for zero-length spans, avoids potential problems later
Diffstat (limited to 'src/mesa/swrast')
-rw-r--r--src/mesa/swrast/s_aatritemp.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/mesa/swrast/s_aatritemp.h b/src/mesa/swrast/s_aatritemp.h
index 4b92165097..df68093292 100644
--- a/src/mesa/swrast/s_aatritemp.h
+++ b/src/mesa/swrast/s_aatritemp.h
@@ -1,4 +1,4 @@
-/* $Id: s_aatritemp.h,v 1.11 2001/05/07 16:01:59 brianp Exp $ */
+/* $Id: s_aatritemp.h,v 1.12 2001/05/10 17:55:54 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -322,6 +322,9 @@
}
n = (GLuint) ix - (GLuint) startX;
+ if (n == 0)
+ continue;
+
#ifdef DO_MULTITEX
# ifdef DO_SPEC
_mesa_write_multitexture_span(ctx, n, startX, iy, z, fog,
@@ -440,6 +443,9 @@
}
n = (GLuint) startX - (GLuint) ix;
+ if (n == 0)
+ continue;
+
left = ix + 1;
#ifdef DO_MULTITEX
{