k3d/share/shaders/k3d_softboxes.sl:270:    uniform float envTexStr	= 1;
k3d/share/shaders/k3d_softboxes.sl:424:		if (envTexStr != 1) {
k3d/share/shaders/k3d_softboxes.sl:425:		    Cl = (Cl*envTexStr)+(1-envTexStr);
