blob: c8a8fcd85982e1b5132a8bd6129cf162c703c486 (
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
25
26
27
|
/*
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;
vec3 ceil_ref(vec3 x)
{
if(x[0] != floor(x[0])) x[0] = floor(x[0]) + 1.0;
if(x[1] != floor(x[1])) x[1] = floor(x[1]) + 1.0;
if(x[2] != floor(x[2])) x[2] = floor(x[2]) + 1.0;
return x;
}
void main (void)
{
vec3 c = 10.0 * 2.0 * (gtf_Color.rgb - 0.5);
color = vec4((ceil_ref(c) + 10.0) / 20.0, 1.0);
gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex;
}
|
