diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2000-10-27 18:38:35 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2000-10-27 18:38:35 +0000 |
| commit | 1c4b3f4dfbd71dfd0d414ecad1499bf44d31a919 (patch) | |
| tree | b26f689dda16085c7329b2111fd49072ae111f24 /src/mesa/main/fog.c | |
| parent | 7dd57a48e1cd637c8f04178a867ad642d2447f54 (diff) | |
restored test for __alpha in _mesa_win_fog_coords_from_z()
Diffstat (limited to 'src/mesa/main/fog.c')
| -rw-r--r-- | src/mesa/main/fog.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/mesa/main/fog.c b/src/mesa/main/fog.c index 0a6d565ac3..8c473b3fc7 100644 --- a/src/mesa/main/fog.c +++ b/src/mesa/main/fog.c @@ -1,8 +1,8 @@ -/* $Id: fog.c,v 1.21 2000/10/27 16:44:40 keithw Exp $ */ +/* $Id: fog.c,v 1.22 2000/10/27 18:38:35 brianp Exp $ */ /* * Mesa 3-D graphics library - * Version: 3.3 + * Version: 3.5 * * Copyright (C) 1999-2000 Brian Paul All Rights Reserved. * @@ -353,7 +353,8 @@ _mesa_win_fog_coords_from_z( const GLcontext *ctx, GLfloat ndcz = ((GLfloat) z[i] - tz) * szInv; GLfloat eyez = d / (c+ndcz); GLfloat tmp = negDensitySquared * eyez * eyez; -#ifdef __alpha__ +#if defined(__alpha__) || defined(__alpha) + /* XXX this underflow check may be needed for other systems */ if (tmp < FLT_MIN_10_EXP) tmp = FLT_MIN_10_EXP; #endif |