84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
/* ----------------------------------------------------------------------------
|
|
Copyright (c) 2001-2002, Lev Povalahev
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without modification,
|
|
are permitted provided that the following conditions are met:
|
|
|
|
* Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright notice,
|
|
this list of conditions and the following disclaimer in the documentation
|
|
and/or other materials provided with the distribution.
|
|
* The name of the author may be used to endorse or promote products
|
|
derived from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
|
|
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
|
|
OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
|
THE POSSIBILITY OF SUCH DAMAGE.
|
|
------------------------------------------------------------------------------*/
|
|
/*
|
|
Lev Povalahev
|
|
|
|
levp@gmx.net
|
|
|
|
http://www.uni-karlsruhe.de/~uli2/
|
|
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "extgl.h"
|
|
#include "common_tools.h"
|
|
|
|
void extgl_InitializeClass(JNIEnv *env, jclass clazz, int num_functions, JavaMethodAndExtFunction *functions) {
|
|
ext_InitializeClass(env, clazz, &extgl_GetProcAddress, num_functions, functions);
|
|
}
|
|
|
|
bool extgl_InitializeFunctions(int num_functions, ExtFunction *functions) {
|
|
return ext_InitializeFunctions(&extgl_GetProcAddress, num_functions, functions);
|
|
}
|
|
|
|
bool extgl_QueryExtension(const GLubyte*extensions, const char *name)
|
|
{
|
|
const GLubyte *start;
|
|
GLubyte *where, *terminator;
|
|
|
|
if (extensions == NULL) {
|
|
printfDebug("NULL extension string\n");
|
|
return false;
|
|
}
|
|
|
|
/* Extension names should not have spaces. */
|
|
where = (GLubyte *) strchr(name, ' ');
|
|
if (where || *name == '\0')
|
|
return false;
|
|
|
|
/* It takes a bit of care to be fool-proof about parsing the
|
|
OpenGL extensions string. Don't be fooled by sub-strings,
|
|
etc. */
|
|
start = extensions;
|
|
for (;;)
|
|
{
|
|
where = (GLubyte *) strstr((const char *) start, name);
|
|
if (!where)
|
|
break;
|
|
terminator = where + strlen(name);
|
|
if (where == start || *(where - 1) == ' ')
|
|
if (*terminator == ' ' || *terminator == '\0') {
|
|
return true;
|
|
}
|
|
start = terminator;
|
|
}
|
|
return false;
|
|
|
|
}
|
|
|