/* 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. */ attribute vec4 gtf_Color; attribute vec4 gtf_Vertex; uniform mat4 gtf_ModelViewProjectionMatrix; varying vec4 color; void main (void) { vec3 c = (gtf_Color.rgb * 99.0) + 1.0; color = vec4(inversesqrt(c), 1.0); gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex; }