1.1 --- a/src/vr.c	Mon Jan 12 08:59:32 2015 +0200
     1.2 +++ b/src/vr.c	Wed Jan 14 08:03:27 2015 +0200
     1.3 @@ -33,7 +33,7 @@
     1.4  int vr_init(void)
     1.5  {
     1.6  	int i, nmodules;
     1.7 -	char *vrmod_env;
     1.8 +	char *env;
     1.9  
    1.10  	/* create the default options database */
    1.11  	if(!defopt && (defopt = create_options())) {
    1.12 @@ -42,7 +42,12 @@
    1.13  		set_option_float(defopt, VR_IPD, DEF_IPD);
    1.14  		set_option_vec3f(defopt, VR_LEYE_OFFSET, -DEF_IPD * 0.5f, 0.0f, 0.0f);
    1.15  		set_option_vec3f(defopt, VR_REYE_OFFSET, DEF_IPD * 0.5f, 0.0f, 0.0f);
    1.16 -		set_option_int(defopt, VR_NULL_STEREO, 0);
    1.17 +
    1.18 +		if((env = getenv("VR_NULL_STEREO")) && atoi(env)) {
    1.19 +			set_option_int(defopt, VR_NULL_STEREO, 1);
    1.20 +		} else {
    1.21 +			set_option_int(defopt, VR_NULL_STEREO, 0);
    1.22 +		}
    1.23  	}
    1.24  
    1.25  	if(vrm) {
    1.26 @@ -64,8 +69,8 @@
    1.27  		return -1;
    1.28  	}
    1.29  
    1.30 -	if((vrmod_env = getenv("VR_MODULE"))) {
    1.31 -		vr_use_module_named(vrmod_env);
    1.32 +	if((env = getenv("VR_MODULE"))) {
    1.33 +		vr_use_module_named(env);
    1.34  	} else {
    1.35  		vr_use_module(0);
    1.36  	}