public static final GL2 getCurrentGL2() throws GLException {
GLContext curContext = GLContext.getCurrent();
if (curContext == null) {
throw new GLException("No OpenGL context current on this thread");
}
return curContext.getGL().getGL2();
}
private static final GLUgl2ProcAddressTable getGLUProcAddressTable() {
if (gluProcAddressTable == null) {
GLContext curContext = GLContext.getCurrent();
if (curContext == null) {
throw new GLException("No OpenGL context current on this thread");
}
GLDynamicLookupHelper glLookupHelper =
((GLContextImpl) curContext).getGLDynamicLookupHelper();
glLookupHelper.loadGLULibrary();
GLUgl2ProcAddressTable tmp = new GLUgl2ProcAddressTable(new GLProcAddressResolver());
tmp.reset(glLookupHelper);
gluProcAddressTable = tmp;
}
return gluProcAddressTable;
}