/usr/share/aqsis/shaders/surface/constant.slx is in aqsis 1.8.2-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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AQSIS_V 2
segment Data
USES 393219
segment Init
segment Code
pushv Os
pop Oi
pushv Cs
pushv Os
mulcc
pop Ci
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