reateProgram(gl, getShaderSource('vs'), getShaderSource('fs-uint'));
        var mvpUintLocation = gl.getUniformLocation(programUint, 'MVP');
        var diffuseUintLocation = gl.getUniformLocation(programUint, 'diffuse');

        var programNormalized = createProgram(gl, getShaderSource('vs'), getShaderSource('fs-normalized'));
        var mvpNormalizedLocation = gl.getUniformLocation(programNormalized, 'MVP');
        var diffuseNormalizedLocation = gl.getUniformLocation(programNormalized, 'diffuse');

 