k3d/share/shaders/k3d_texblender.sl:133:		float Rblur=0.1,RFblur=0.1;
k3d/share/shaders/k3d_texblender.sl:199:		if(Rblur==0) raysamples=1;
k3d/share/shaders/k3d_texblender.sl:200:		env=myEnvironment(P,normalize(reflect(V,Nf)),1,Rblur,ENVPARAMS);
