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
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/*
* Copyright (c) VMware, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef PIGLIT_MATRIX_H
#define PIGLIT_MATRIX_H
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
void
piglit_identity_matrix(float mat[16]);
void
piglit_scale_matrix(float mat[16], float sx, float sy, float sz);
void
piglit_translation_matrix(float mat[16], float tx, float ty, float tz);
void
piglit_rotation_matrix(float mat[16], float angle, float x, float y, float z);
void
piglit_ortho_matrix(float mat[16],
float left, float right,
float bottom, float top,
float nearval, float farval);
void
piglit_frustum_matrix(float mat[16],
float left, float right,
float bottom, float top,
float nearval, float farval);
void
piglit_matrix_mul_matrix(float product[16],
const float a[16], const float b[16]);
void
piglit_matrix_mul_vector(float out[4],
const float mat[16],
const float in[4]);
void
piglit_ndc_to_window(float win[3],
const float ndc[4],
int vp_left, int vp_bottom, int vp_width, int vp_height);
bool
piglit_project_to_window(float win[3],
const float obj[4],
const float modelview[16],
const float projection[16],
int vp_left, int vp_bottom,
int vp_width, int vp_height);
void
piglit_print_matrix(const float mat[16]);
#ifdef __cplusplus
} /* end extern "C" */
#endif
#endif /* PIGLIT_MATRIX_H */
|