blob: 234b80aa4fc35ea9673727ab60dc36523d76b3b7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
/*
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;
float ceil_ref(float x)
{
if(x != floor(x)) x = floor(x) + 1.0;
return x;
}
void main (void)
{
float c = 10.0 * 2.0 * (color.r - 0.5);
gl_FragColor = vec4((ceil_ref(c) + 10.0) / 20.0, 0.0, 0.0, 1.0);
}
|