Texture Coordinates Generation

OpenGL
1

Hi all,
I’m trying to understand how OpenGL ES works and I’d like to know which is the method to calculate texture coordinates.

I explain better; using

glHint (PERSPECTIVE_CORRECTION_HINT,val)

I can set the quality of a texture rendering.
The question is: what kind of function is calculated for every parameters (FASTEST, NICEST,ecc) i pass?

Thank you for help
Walter

2

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