blob: f2b3ba0b3ee83a9efdef5f1d4133d6dd47a00151 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
/*
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_Vertex;
attribute vec4 gtf_Color;
uniform mat4 gtf_ModelViewProjectionMatrix;
varying vec4 color;
void main (void)
{
vec2 c = 2.0 * (gtf_Color.rg - 0.5);
if((c[0] < 0.0)) c[0] *= -1.0;
if((c[1] < 0.0)) c[1] *= -1.0;
color = vec4(c, 0.0, 1.0);
gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex;
}
|