老OpenGL程序如何更新到新OpenGL(版本3.1及以上的Core Profile)OpenGL: Transition to Core Profile Introduction
IntroductionSignificantgroupsofOpenGLfeaturesweremarkedasdeprecatedwhenthe3.2specwaspublishedinDecember2009,resultingintwodifferentOpenGLprofiles:TheCoreProfile,whichcontainsonlynon-deprecatedfeatures