/*
Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
*/


void main()
{
    vec4 v1 = vec4(5,6,7,8);
    vec4 v2 = vec4(9,10, 11, 12);
    vec3 v3 = (v1 * v2).ywx;
    float f = (v2 * v1).z;
    vec3 v4 = normalize((v1.ywx * v3).xyz).xyz;
    gl_Position = vec4(v4, f);
}