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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
// [config]
// expect_result: pass
// glsl_version: 1.10
//
// [end config]
/*
* GStreamer
* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/* This shader appeared under #ifdef OPENGL_ES2, but looked interesting enough
* to include in piglit anyway.
*/
attribute vec4 a_position;
attribute vec2 a_texCoord;
uniform mat4 u_matrix;
uniform float xrot_degree, yrot_degree, zrot_degree;
varying vec2 v_texCoord;
void main()
{
float PI = 3.14159265;
float xrot = xrot_degree*2.0*PI/360.0;
float yrot = yrot_degree*2.0*PI/360.0;
float zrot = zrot_degree*2.0*PI/360.0;
mat4 matX = mat4 (
1.0, 0.0, 0.0, 0.0,
0.0, cos(xrot), sin(xrot), 0.0,
0.0, -sin(xrot), cos(xrot), 0.0,
0.0, 0.0, 0.0, 1.0 );
mat4 matY = mat4 (
cos(yrot), 0.0, -sin(yrot), 0.0,
0.0, 1.0, 0.0, 0.0,
sin(yrot), 0.0, cos(yrot), 0.0,
0.0, 0.0, 0.0, 1.0 );
mat4 matZ = mat4 (
cos(zrot), sin(zrot), 0.0, 0.0,
-sin(zrot), cos(zrot), 0.0, 0.0,
0.0, 0.0, 1.0, 0.0,
0.0, 0.0, 0.0, 1.0 );
gl_Position = u_matrix * matZ * matY * matX * a_position;
v_texCoord = a_texCoord;
}
|
