1 /*
2 * (C) Copyright IBM Corporation 2004
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 #include <GL/gl.h>
26 #include "indirect.h"
27
28 static void
TransposeMatrixf(const GLfloat s[16],GLfloat d[16])29 TransposeMatrixf(const GLfloat s[16], GLfloat d[16])
30 {
31 int i, j;
32 for (i = 0; i < 4; i++) {
33 for (j = 0; j < 4; j++) {
34 d[i * 4 + j] = s[j * 4 + i];
35 }
36 }
37 }
38
39 static void
TransposeMatrixd(const GLdouble s[16],GLdouble d[16])40 TransposeMatrixd(const GLdouble s[16], GLdouble d[16])
41 {
42 int i, j;
43 for (i = 0; i < 4; i++) {
44 for (j = 0; j < 4; j++) {
45 d[i * 4 + j] = s[j * 4 + i];
46 }
47 }
48 }
49
50
51 void
__indirect_glLoadTransposeMatrixd(const GLdouble * m)52 __indirect_glLoadTransposeMatrixd(const GLdouble * m)
53 {
54 GLdouble mt[16];
55
56 TransposeMatrixd(m, mt);
57 __indirect_glLoadMatrixd(mt);
58 }
59
60 void
__indirect_glLoadTransposeMatrixf(const GLfloat * m)61 __indirect_glLoadTransposeMatrixf(const GLfloat * m)
62 {
63 GLfloat mt[16];
64
65 TransposeMatrixf(m, mt);
66 __indirect_glLoadMatrixf(mt);
67 }
68
69 void
__indirect_glMultTransposeMatrixd(const GLdouble * m)70 __indirect_glMultTransposeMatrixd(const GLdouble * m)
71 {
72 GLdouble mt[16];
73
74 TransposeMatrixd(m, mt);
75 __indirect_glMultMatrixd(mt);
76 }
77
78 void
__indirect_glMultTransposeMatrixf(const GLfloat * m)79 __indirect_glMultTransposeMatrixf(const GLfloat * m)
80 {
81 GLfloat mt[16];
82
83 TransposeMatrixf(m, mt);
84 __indirect_glMultMatrixf(mt);
85 }
86