I can enable the color filter, toggle screen filtering with super-d, and then switch filters with ctrl-super-s, but only builtin filters work.
I tried adding these filters (fragment shaders)
- https://www.geeks3d.com/20091009/shader-library-night-vision-post-processing-filter-glsl/
- https://github.com/twostraws/ShaderKit
Compiz doesn't complain when I select the .fsh file, or when switching to that filter. It just doesn't apply the expected filters.
Are the files I'm using possibly incompatible with Compiz? Does compiz support all GLSL, or just certain features?
I've got compiz version 0.9.14.0 with Ubuntu 19.04 running unity desktop.
I'm basically trying to get a redshift effect at the touch of a key.
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