use GL_CLAMP_TO_EDGE

progs/demos/cubemap.c

@@ -1,4 +1,4 @@
-/* $Id: cubemap.c,v 1.1 2000/05/30 01:18:29 brianp Exp $ */
+/* $Id: cubemap.c,v 1.2 2000/06/13 18:45:54 brianp Exp $ */
 
 /*
  * GL_ARB_texture_cube_map demo
@@ -203,12 +203,15 @@ static void init( void )
                    GL_RGB, GL_UNSIGNED_BYTE, image);
    }
 
-   /*
-   glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
-   glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
-   */
+#if 1
    glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
    glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+#else
+   glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+#endif
+   glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+   glTexParameteri(GL_TEXTURE_CUBE_MAP_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
 
    glEnable(GL_TEXTURE_CUBE_MAP_ARB);