diff options
| author | Brian Paul <brian.paul@tungstengraphics.com> | 2001-02-27 21:58:59 +0000 |
|---|---|---|
| committer | Brian Paul <brian.paul@tungstengraphics.com> | 2001-02-27 21:58:59 +0000 |
| commit | 2eb801cda2f463513d25629928921072cd62931a (patch) | |
| tree | a4f912e05063762c40c8a80fc57678fa909ff8e4 /src/mesa/tnl | |
| parent | 8753b1c397d8f5778fa527bf4f6bb6b0cb435874 (diff) | |
added fog coord clamping
Diffstat (limited to 'src/mesa/tnl')
| -rw-r--r-- | src/mesa/tnl/t_vb_fog.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/mesa/tnl/t_vb_fog.c b/src/mesa/tnl/t_vb_fog.c index e7f740dfa3..e6d0234d5f 100644 --- a/src/mesa/tnl/t_vb_fog.c +++ b/src/mesa/tnl/t_vb_fog.c @@ -1,4 +1,4 @@ -/* $Id: t_vb_fog.c,v 1.3 2001/02/06 04:06:36 keithw Exp $ */ +/* $Id: t_vb_fog.c,v 1.4 2001/02/27 21:58:59 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -104,8 +104,10 @@ static void make_win_fog_coords( GLcontext *ctx, GLvector1f *out, d = 1.0F; else d = 1.0F / (ctx->Fog.End - ctx->Fog.Start); - for ( i = 0 ; i < n ; i++, STRIDE_F(v, stride)) - data[i] = (end - ABSF(*v)) * d; + for ( i = 0 ; i < n ; i++, STRIDE_F(v, stride)) { + GLfloat f = (end - ABSF(*v)) * d; + data[i] = CLAMP(f, 0.0F, 1.0F); + } break; case GL_EXP: d = ctx->Fog.Density; |