看起来如果我拖动调整大小足够快，窗口本身是通过子类化qwindow并在其上创建openGLcontext创建的代码:#include#include#include#include#includeclassOpenGLWindow:publicQWindow,protectedQOpenGLFunctions_3_3_Core{public:explicitOpenGLWindow();~OpenGLWindow();virtualvoidrender();boolisWindowInitialized;voidexposeEvent(QExposeEvent*event);boole