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id.c
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id.c
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/*
* GLOMP - transparent multipipe OpenGL
* Copyright (C) 2007 the GLOMP team (see AUTHORS)
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include "id.h"
#include "types.h"
static int* id_table=NULL;
static id_table_size=1;
static id_type* id_server_table=NULL;
static id_server_table_size=1;
// adds an id to the table
void id_add(int value,int translated_value)
{
id_table_size++;
id_table=(int*)realloc(id_table,id_table_size*sizeof(int));
if (value!=id_table_size-1)
printf("oops non-ordered additions (%d,%d)\n",value,id_table_size-1);
id_table[id_table_size-1]=translated_value;
}
// translates an id
int id_translate(int value)
{
if ((id_table==NULL)||(value>=id_table_size))
{
// oops we didn't find the id in the table
// that probably means the application doesn't use glGen*
// in which case we don't need to handle the ids anyway
return value;
}
return id_table[value];
}
// generates an id for the server
int id_server_generate(id_type type)
{
id_server_table_size++;
id_server_table=(id_type*)realloc(id_server_table,id_server_table_size*sizeof(id_type));
id_server_table[id_server_table_size-1]=type;
printf("id:generated %d\n",id_server_table_size-1);
return id_server_table_size-1; //la aussi !!
}
GLboolean id_server_test_type(GLuint id,id_type type)
{
// out of bounds means no such object
if (id>=id_server_table_size)
return GL_FALSE;
// otherwise it has to match what we recorded in the table
return (id_server_table[id]==type);
}