constant_template_lrp = mako.template.Template("""\
case ${op.get_enum_name()}: {
assert(op[0]->type->base_type == GLSL_TYPE_FLOAT ||
constant_template_lrp = mako.template.Template("""\
case ${op.get_enum_name()}: {
assert(op[0]->type->base_type == GLSL_TYPE_FLOAT ||