lwjgl/src/native/linux/opengles/extgl_glx.c

68 lines
2.3 KiB
C

/*
* Copyright (c) 2002-2011 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 <stdio.h>
#include <string.h>
#include <dlfcn.h>
#include "extgl.h"
static void * lib_gl_handle = NULL;
bool extgl_Open(JNIEnv *env) {
if ( lib_gl_handle != NULL )
return true;
lib_gl_handle = dlopen("libGLESv2.so", RTLD_LAZY | RTLD_GLOBAL);
if (lib_gl_handle == NULL) {
throwFormattedException(env, "Error loading libGLESv2.so: %s", dlerror());
return false;
}
return true;
}
void extgl_Close(void) {
dlclose(lib_gl_handle);
lib_gl_handle = NULL;
}
void *extgl_GetProcAddress(const char *name) {
void *t = eglGetProcAddress(name);
if ( t == NULL ) {
t = dlsym(lib_gl_handle, name);
}
//if ( t != NULL )
//printfDebug("Located symbol %s\n", name);
return t;
}