blob: 71ceb3697079f22f2d484c06de333882951f945d (
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
28
29
30
|
/*
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;
uniform mat4 gtf_ModelViewProjectionMatrix;
varying vec4 color;
void main (void)
{
mat2 m = mat2(0.5);
vec4 black = vec4(0.0, 0.0, 0.0, 1.0);
vec4 result = vec4(1.0, 1.0, 1.0, 1.0);
if((m[0][0] != 0.5))
result = black;
if((m[0][1] != 0.0))
result = black;
if((m[1][0] != 0.0))
result = black;
if((m[1][1] != 0.5))
result = black;
color = result;
gl_Position = gtf_ModelViewProjectionMatrix * gtf_Vertex;
}
|