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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
  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
  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
  52. __indirect_glLoadTransposeMatrixd(const GLdouble * m)
  53. {
  54.    GLdouble mt[16];
  55.  
  56.    TransposeMatrixd(m, mt);
  57.    __indirect_glLoadMatrixd(mt);
  58. }
  59.  
  60. void
  61. __indirect_glLoadTransposeMatrixf(const GLfloat * m)
  62. {
  63.    GLfloat mt[16];
  64.  
  65.    TransposeMatrixf(m, mt);
  66.    __indirect_glLoadMatrixf(mt);
  67. }
  68.  
  69. void
  70. __indirect_glMultTransposeMatrixd(const GLdouble * m)
  71. {
  72.    GLdouble mt[16];
  73.  
  74.    TransposeMatrixd(m, mt);
  75.    __indirect_glMultMatrixd(mt);
  76. }
  77.  
  78. void
  79. __indirect_glMultTransposeMatrixf(const GLfloat * m)
  80. {
  81.    GLfloat mt[16];
  82.  
  83.    TransposeMatrixf(m, mt);
  84.    __indirect_glMultMatrixf(mt);
  85. }
  86.