diff options
Diffstat (limited to 'src/glx/indirect_transpose_matrix.c')
-rw-r--r-- | src/glx/indirect_transpose_matrix.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/glx/indirect_transpose_matrix.c b/src/glx/indirect_transpose_matrix.c new file mode 100644 index 00000000000..618db9f5d4f --- /dev/null +++ b/src/glx/indirect_transpose_matrix.c @@ -0,0 +1,85 @@ +/* + * (C) Copyright IBM Corporation 2004 + * All Rights Reserved. + * + * 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS AND/OR THEIR SUPPLIERS 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. + */ + +#include <GL/gl.h> +#include "indirect.h" + +static void +TransposeMatrixf(const GLfloat s[16], GLfloat d[16]) +{ + int i, j; + for (i = 0; i < 4; i++) { + for (j = 0; j < 4; j++) { + d[i * 4 + j] = s[j * 4 + i]; + } + } +} + +static void +TransposeMatrixd(const GLdouble s[16], GLdouble d[16]) +{ + int i, j; + for (i = 0; i < 4; i++) { + for (j = 0; j < 4; j++) { + d[i * 4 + j] = s[j * 4 + i]; + } + } +} + + +void +__indirect_glLoadTransposeMatrixdARB(const GLdouble * m) +{ + GLdouble mt[16]; + + TransposeMatrixd(m, mt); + __indirect_glLoadMatrixd(mt); +} + +void +__indirect_glLoadTransposeMatrixfARB(const GLfloat * m) +{ + GLfloat mt[16]; + + TransposeMatrixf(m, mt); + __indirect_glLoadMatrixf(mt); +} + +void +__indirect_glMultTransposeMatrixdARB(const GLdouble * m) +{ + GLdouble mt[16]; + + TransposeMatrixd(m, mt); + __indirect_glMultMatrixd(mt); +} + +void +__indirect_glMultTransposeMatrixfARB(const GLfloat * m) +{ + GLfloat mt[16]; + + TransposeMatrixf(m, mt); + __indirect_glMultMatrixf(mt); +} |