#version 320 es | |
// Copyright 2013 The Flutter Authors. All rights reserved. | |
// Use of this source code is governed by a BSD-style license that can be | |
// found in the LICENSE file. | |
precision highp float; | |
layout(location = 0) out vec4 fragColor; | |
layout(location = 0) uniform float a; | |
void main() { | |
fragColor = vec4( | |
0.0, | |
// 2.0^0.0 = 1.0 | |
exp2(a - 1.0), | |
0.0, | |
// 2.0^3.0 - 7.0 = 8.0 - 7.0 = 1.0 | |
exp2(a * 3.0) - 7.0 | |
); | |
} | |