/* 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) { // This test verifies that gl_MaxVertexTextureImageUnits is set and that its // value is greater than or equal to the minimum value. if(gl_MaxVertexTextureImageUnits >= 0) gl_FragColor = vec4(1.0); else gl_FragColor = vec4(0.0, 0.0, 0.0, 1.0); }