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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