maxmah/Equalizer — comment on commit 1d1568609c7bac8875ad76c7827b0179bfb7bd15
File: examples/configs/4-window.all.eqc line 925
By maxmah:

Coloring of the background in eVolve requires that eVolve understands in its channel tasks whether current operation is done on the final destination channel or not. If I understand correctly there is no simple way in the frameStart to understand whether the channel will be drawn partially and read back later on (and therefore composited as DB slice) or not, which is in turn necessary for understanding whether to color background or not. Right now frame clear with [0 1] range is interpreted as if this frame will be used for 2D sort-first rendering, which is not the case in this config.

Since we do this clear mostly for demonstration purposes (remove afterimage of previous compound and residuals of load-balancing), I would think it is ok to give this kind of a range. Otherwise more clever (yet simple) mechanism in EQ is required in order to understand what will happen next to current frame in the frameStart (i.e. are we dealing with DB-compositing later on or not).