OpenGL中是否存在属性的glLoadIdentity
glLoadIdentity可以方便的回到原始矩阵。 OpenGL 的属性是否存在类似的东西，例如与 glPushAttrib(GL_ALL_ATTRIB_BITS) 和 glPopAttrib 系列一起使用的 loadIdentityAttribs(GL_ALL_ATTRIB_BITS) ？
glLoadIdentity is convenient to come back to the original matrix. Does something similar exist for the attributes of OpenGL, like loadIdentityAttribs(GL_ALL_ATTRIB_BITS) which would go with the family of glPushAttrib(GL_ALL_ATTRIB_BITS) and glPopAttrib?
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并非如此 - 最接近的等效方法是立即推送默认状态，确保该默认状态在堆栈上可用。在这种情况下，您随时可以恢复到默认设置。诚然，默认值位于堆栈底部，但它确实在那里。
这些属性确实有记录的默认值，但确实没有一种方便的方法来表示“每个人都重置为开始。”
我的建议是选择您真正关心的应用程序属性，并编写将这些属性设置回默认值的方法。
Not really - the closest equivalent is to immediately push the default state, making sure that that default is available on the stack. In that case, you can always pop back to the default. Admittedly, the default is then at the bottom of the stack but it is there.
The attributes do have documented defaults but there really isn't a convenient way to say "everybody reset to start."
My suggestion is to select the attributes that you really care about for your application and to write the method that sets those back to your defaults.