Yeah I thought it was less that 1.5. e.g.
1st mip map = 25%
2nd mip map = 25% of 25%, so 6.25%
3rd mip map = 25% of 25% of 25%, so 1.56%
and so on.
Add them and you'll get 33% ish extra.
So 1.33 is maybe a more accurate figure?
Interesting that filtering doesn't use more RAM.
1st mip map = 25%
2nd mip map = 25% of 25%, so 6.25%
3rd mip map = 25% of 25% of 25%, so 1.56%
and so on.
Add them and you'll get 33% ish extra.
So 1.33 is maybe a more accurate figure?
Interesting that filtering doesn't use more RAM.