Comment 36 for bug 1173787

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In , Micael Dias (kam1kaz3) wrote :

More food for thought:

Using an fbo which is bigger than 1x1 is a waste of space since we only want to know Z values. Using a 32x32 fbo with some custom shaders we could handle 32*32 entries and so on.

With some more shader magic maybe we could have the left half of the fbo for minZ values and the other half for maxZ values?

Am I dreaming or is this doable?