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redo previous change in a more defensive way

This commit is contained in:
Brian Paul 2001-05-10 18:01:19 +00:00
parent a5cc6155d4
commit 1a3e034b12
1 changed files with 7 additions and 5 deletions
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12
src/mesa/swrast/s_aatritemp.h
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@ -1,4 +1,4 @@
/* $Id: s_aatritemp.h,v 1.12 2001/05/10 17:55:54 brianp Exp $ */
/* $Id: s_aatritemp.h,v 1.13 2001/05/10 18:01:19 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -321,10 +321,11 @@
coverage = compute_coveragef(pMin, pMid, pMax, ix, iy);
}
n = (GLuint) ix - (GLuint) startX;
if (n == 0)
if (ix <= startX)
continue;
n = (GLuint) ix - (GLuint) startX;
#ifdef DO_MULTITEX
# ifdef DO_SPEC
_mesa_write_multitexture_span(ctx, n, startX, iy, z, fog,
@ -442,10 +443,11 @@
coverage = compute_coveragef(pMin, pMax, pMid, ix, iy);
}
n = (GLuint) startX - (GLuint) ix;
if (n == 0)
if (startX <= ix)
continue;
n = (GLuint) startX - (GLuint) ix;
left = ix + 1;
#ifdef DO_MULTITEX
{