#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; | |
// 0.0 is returned if x (second param) < edge (first param), and 1.0 is returned | |
// otherwise. | |
void main() { | |
fragColor = vec4(0.0, step(0.5, a), 0.0, 1.0); | |
} |