/* 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 #ifdef GL_FRAGMENT_PRECISION_HIGH precision highp float; #else precision mediump float; #endif #endif varying vec4 color; void main (void) { vec2 c = floor(1.5 * color.rg); // 1/3 true, 2/3 false vec2 result = vec2(notEqual(bvec2(c), bvec2(true))); gl_FragColor = vec4(result, 0.0, 1.0); }