diff options
| -rw-r--r-- | progs/demos/shadowtex.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/progs/demos/shadowtex.c b/progs/demos/shadowtex.c index a68ad77a1f..88949b764d 100644 --- a/progs/demos/shadowtex.c +++ b/progs/demos/shadowtex.c @@ -1,4 +1,4 @@ -/* $Id: shadowtex.c,v 1.1 2001/02/20 16:43:50 brianp Exp $ */ +/* $Id: shadowtex.c,v 1.2 2001/02/20 17:06:35 brianp Exp $ */ /* * Shadow demo using the GL_SGIX_depth_texture, GL_SGIX_shadow and @@ -347,12 +347,15 @@ Init(void) glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP); +#ifdef GL_SGIX_shadow glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_SGIX, GL_TRUE); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_OPERATOR_SGIX, GL_TEXTURE_LEQUAL_R_SGIX); - +#endif +#ifdef GL_SGIX_shadow_ambient if (glutExtensionSupported("GL_SGIX_shadow_ambient")) glTexParameterf(GL_TEXTURE_2D, GL_SHADOW_AMBIENT_SGIX, 0.3); +#endif glEnable(GL_DEPTH_TEST); glEnable(GL_LIGHTING); |