protected void generateUniforms(StringBuilder source, List<ShaderNodeVariable> uniforms) {
        source.append("\n");
        for (ShaderNodeVariable var : uniforms) {
            declareVariable(source, var, false, "uniform");
        }
    }
declare a list of uniforms

@param source the source to append to
@param uniforms the list of uniforms
jme3-core/src/main/java/com/jme3/shader/Glsl100ShaderGenerator.java