SDL_MUSTLOCK     633 src/video/SDL_cursor.c   if ( SDL_MUSTLOCK(screen) ) {
SDL_MUSTLOCK     642 src/video/SDL_cursor.c   if ( SDL_MUSTLOCK(screen) ) {
SDL_MUSTLOCK     707 src/video/SDL_cursor.c   if ( SDL_MUSTLOCK(screen) ) {
SDL_MUSTLOCK     716 src/video/SDL_cursor.c   if ( SDL_MUSTLOCK(screen) ) {
SDL_MUSTLOCK    1261 src/video/SDL_yuv_sw.c   if ( SDL_MUSTLOCK(display) ) {
SDL_MUSTLOCK    1284 src/video/SDL_yuv_sw.c   if ( SDL_MUSTLOCK(display) ) {
SDL_MUSTLOCK     163 src/video/wincommon/SDL_syswm.c  if ( SDL_MUSTLOCK(icon_256) || (icon_256->pitch != icon_pitch) ) {