Re: Number of mipmaps in a mipmap texture?

[James W. W. <os...@jw...>]

On Dec 18, 2004, at 12:41 AM, Jose' Cruanyes wrote:

> but why we have to go down to a 1*1 texture?

That's what OpenGL does. For instance, in the description of 
gluBuild2DMipmaps, the reference manual says "For example, if width is 
64 and height is 16, the following mipmaps are built: 64x16, 32x8, 8x2, 
4x1, 2x1, and 1x1".  This suggests that the formula is even further off 
than I thought,  It should use the maximum, not the minimum, of the 
width and the height.
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