/* 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) { const vec3 min_c = vec3(0.25, 0.25, 0.25); const vec3 max_c = vec3(0.75, 0.75, 0.75); vec3 c = color.rgb; gl_FragColor = vec4(clamp(c, min_c, max_c), 1.0); }