| #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; | |
| // clamp(x, a, b) is equivalent to min(max(x, a), b) | |
| void main() { | |
| fragColor = vec4( | |
| 0.0, | |
| clamp(10.0, 0.0, a), | |
| 0.0, | |
| clamp(-1.0, a, 10.0) | |
| ); | |
| } | |