+ mmod_loc = sprog->get_uniform_location("mmod");
+
+ /* skybox, irradiance map uniforms */
+
+ stex_loc = sprog->get_uniform_location("stex");
+ dstex_loc = sprog->get_uniform_location("dstex");
+
+ if(stex_loc != -1)
+ sprog->set_uniformi(stex_loc, 0);
+
+ if(dstex_loc != -1)
+ sprog->set_uniformi(dstex_loc, 1);