diff options
Diffstat (limited to 'src/mesa/main/light.c')
| -rw-r--r-- | src/mesa/main/light.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c index 83a3095726e..1eed79bc2a7 100644 --- a/src/mesa/main/light.c +++ b/src/mesa/main/light.c @@ -1,4 +1,4 @@ -/* $Id: light.c,v 1.32 2001/01/02 22:02:51 brianp Exp $ */ +/* $Id: light.c,v 1.33 2001/01/04 16:22:18 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -1072,7 +1072,10 @@ static void validate_shine_table( GLcontext *ctx, GLuint i, GLfloat shininess ) } else { for (i = 1 ; i < SHINE_TABLE_SIZE ; i++) { - GLdouble t = pow(i / (GLfloat)(SHINE_TABLE_SIZE-1), shininess); + GLdouble t, x = i / (GLfloat) (SHINE_TABLE_SIZE - 1); + if (x < 0.005) /* underflow check */ + x = 0.005; + t = pow(x, shininess); if (t > 1e-20) m[i] = t; else |