Problem of GLsizei and GLint

[lanlangui]

Hey everyone!
Does who know the difference between the GLsizei and GLint
They are all defined int

[thokra]

The difference is one of semantics. If you pay close attention to where some of the typenames are used you'll notice.

glViewport is a good example where the first two parameters refer to a position, thus declared GLint, the last two refer to the extents of the viewport, thus declared GLsizei.

[lanlangui]

I see.Thx!