/* 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. */ #ifdef GL_ES precision mediump float; #endif varying vec4 color; void main (void) { vec3 c = floor(1.5 * color.rgb); // 1/3 true, 2/3 false vec3 result = vec3(notEqual(bvec3(c), bvec3(true))); gl_FragColor = vec4(result, 1.0); }