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/*
OSMesa LDG linker, misc functions
Copyright (C) 2004 Patrice Mandin
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*--- Includes ---*/
#include <stdlib.h>
#include <string.h>
#include <mint/osbind.h>
#include <GL/gl.h>
#include "lib-osmesa.h"
#include "lib-oldmesa.h"
#include "nfosmesa_nfapi.h"
/*--- Defines ---*/
/*--- Variables ---*/
static GLubyte *gl_strings[5]={NULL,NULL,NULL,NULL,""};
/*--- Functions ---*/
const GLubyte* glGetString( GLenum name )
{
int i, len;
switch(name) {
case GL_VERSION:
i=0;
break;
case GL_RENDERER:
i=1;
break;
case GL_VENDOR:
i=2;
break;
case GL_EXTENSIONS:
i=3;
break;
default:
i=4;
break;
}
if (i!=4) {
if (gl_strings[i]==NULL) {
unsigned long params[3];
params[0] = (unsigned long) cur_context;
params[1] = (unsigned long) name;
len=(int)(*HostCall_p)(NFOSMESA_LENGLGETSTRING,0,params);
gl_strings[i]=(GLubyte *)Atari_MxAlloc(len+1);
if (gl_strings[i]) {
params[0] = (unsigned long) cur_context;
params[1] = (unsigned long) name;
params[2] = (unsigned long) gl_strings[i];
(*HostCall_p)(NFOSMESA_PUTGLGETSTRING,0,params);
} else {
return gl_strings[4];
}
}
}
return gl_strings[i];
}
void freeglGetString(void)
{
int i;
for (i=0;i<4;i++) {
if (gl_strings[i]) {
Mfree(gl_strings[i]);
gl_strings[i]=NULL;
}
}
}
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