115     xvol->tex->col = tex->col;  in newextvol()
128     color col;  in ExtVoxelColor()  local
137         col.g = 0.0;  in ExtVoxelColor()
140         col.g = (scalar - 0.5) * 2.0;  in ExtVoxelColor()
143     col.r = scalar;  in ExtVoxelColor()
144     col.b = 1.0 - (scalar / 2.0);  in ExtVoxelColor()
146     return col;  in ExtVoxelColor()
150     color col, col2;  in ext_volume_texture()  local
164     col.r = 0.0;  in ext_volume_texture()
165     col.g = 0.0;  in ext_volume_texture()
166     col.b = 0.0;  in ext_volume_texture()
176             return col;  in ext_volume_texture()
192         return col;  in ext_volume_texture()
194         return col;  in ext_volume_texture()
198             return col;  in ext_volume_texture()
214         return col;  in ext_volume_texture()
216         return col;  in ext_volume_texture()
220             return col;  in ext_volume_texture()
236         return col;  in ext_volume_texture()
238         return col;  in ext_volume_texture()
269             col.r += transval * col2.r * xvol->ambient;  in ext_volume_texture()
270             col.g += transval * col2.g * xvol->ambient;  in ext_volume_texture()
271             col.b += transval * col2.b * xvol->ambient;  in ext_volume_texture()
306                             diffint.r += inten * li->tex->col.r;  in ext_volume_texture()
307                             diffint.g += inten * li->tex->col.g;  in ext_volume_texture()
308                             diffint.b += inten * li->tex->col.b;  in ext_volume_texture()
311                     col.r += col2.r * diffint.r * xvol->diffuse;  in ext_volume_texture()
312                     col.g += col2.g * diffint.g * xvol->diffuse;  in ext_volume_texture()
313                     col.b += col2.b * diffint.b * xvol->diffuse;  in ext_volume_texture()
328         col.r += transcol.r; /* add the transmitted ray  */  in ext_volume_texture()
329         col.g += transcol.g; /* to the diffuse and       */  in ext_volume_texture()
330         col.b += transcol.b; /* transmission total..     */  in ext_volume_texture()
333     return col;  in ext_volume_texture()