home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
SGI Developer Toolbox 6.1
/
SGI Developer Toolbox 6.1 - Disc 1.iso
/
toolbox
/
src
/
exampleCode
/
opengl
/
extensions
/
samples
/
util.h
< prev
next >
Wrap
C/C++ Source or Header
|
1996-11-11
|
2KB
|
42 lines
/*
* Copyright (c) 1994 Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee,
* provided that (i) the above copyright notices and this permission
* notice appear in all copies of the software and related documentation,
* and (ii) the name of Silicon Graphics may not be used in any
* advertising or publicity relating to the software without the specific,
* prior written permission of Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR ANY SPECIAL,
* INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY
* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
* OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
/*
* Miscellaneous stuff exported by util.c
*/
extern void norm(float v[3]);
extern float dot(float a[3], float b[3]);
extern void cross(float v1[3], float v2[3], float result[3]);
extern float length(float v[3]);
extern float x_axis[];
extern float y_axis[];
extern float z_axis[];
extern float nx_axis[];
extern float ny_axis[];
extern float nz_axis[];
/*
* Returns whether the named extension is supported by the renderer.
*/
extern GLboolean getExtension(char *name);