GLUT_TABLETMOTION_CALLBACK 1227 php_opengl/glut/php_glut.c call_user_callback(call_backs,GLUT_TABLETMOTION_CALLBACK,2,params); GLUT_TABLETMOTION_CALLBACK 1236 php_opengl/glut/php_glut.c HASH_CALLBACK(callback, 1, GLUT_TABLETMOTION_CALLBACK);