176     overlay::Writeback *wb = overlay::Writeback::getInstance();  in prepare()  local
180         if(!wb->setSecure(isSecureBuffer(hnd))) {  in prepare()
186     if(!wb->configureDpyInfo(hnd->width, hnd->height)) {  in prepare()
194     int format = ovutils::getHALFormat(wb->getOutputFormat());  in prepare()
204     if(!wb->configureMemory((uint32_t)size)) {  in prepare()
228     int wbFd = wb->getFbFd();  in prepare()
260     overlay::Writeback *wb = overlay::Writeback::getInstance();  in draw()  local
261     if(!wb->writeSync()) {  in draw()
269     overlay::Writeback *wb = overlay::Writeback::getInstance();  in getDstFd()  local
270     return wb->getDstFd();  in getDstFd()
274     overlay::Writeback *wb = overlay::Writeback::getInstance();  in getDstOffset()  local
275     return wb->getOffset();  in getDstOffset()