liq| er| blurcamera|: use liquidGlobals.deformationBlur and $cameraShape.motionBlur
liq| rm| blurcamera|: (done)
liq| er| blurcamera|: update test case
liq| er| blurcamera|: list visible cameras only, and update test case
liq|: padding
liq| er|: +ei_area_sample(), ei_adaptive()