input transformations

Keith Packard keithp at
Wed Feb 7 00:01:07 PST 2007

On Wed, 2007-02-07 at 00:25 -0500, David Reveman wrote:

> It's just pairs of triangles, one triangle in parent space paired with a
> triangle in child space. Basic uv-mapping is used to transform a
> coordinate from parent -> child or child -> parent.

How are you doing picking? Using the original stacking order? Or is
there a tag on each triangle in the mapping which indicates whether that
space is mapped to visible window pixels?

keith.packard at
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