/* 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) { vec2 c = floor(10.0 * color.rg - 4.5); // round to the nearest integer vec2 result = vec2(notEqual(ivec2(c), ivec2(0))); gl_FragColor = vec4(result, 0.0, 1.0); }