/* 
 * Copyright (c) 2002-2008 LWJGL Project
 * 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.
 *
 * * Neither the name of 'LWJGL' nor the names of 
 *   its contributors 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.
 */

#include <jni.h>
#include "common_tools.h"
#include "org_lwjgl_opengl_GLContext.h"
#include "extgl.h"

JNIEXPORT jlong JNICALL Java_org_lwjgl_opengl_GLContext_getFunctionAddress(JNIEnv *env, jclass clazz, jstring function_name) {
	jlong address_jlong;
	char *function_name_pointer = GetStringNativeChars(env, function_name);
	void *address = extgl_GetProcAddress(function_name_pointer);
	free(function_name_pointer);
	address_jlong = (jlong)(intptr_t)address;
	return address_jlong;
}

JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GLContext_nLoadOpenGLLibrary(JNIEnv * env, jclass clazz) {
	extgl_Open(env);
}

JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GLContext_nUnloadOpenGLLibrary(JNIEnv * env, jclass clazz) {
	extgl_Close();
}

JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GLContext_resetNativeStubs(JNIEnv *env, jclass clazz, jclass gl_class) {
	(*env)->UnregisterNatives(env, gl_class);
}