/usr/lib/pd/extra/extendedview/ev-glsl/ is in pd-extendedview 0.5~repack-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/pd/extra/extendedview/ev-glsl/README.txt
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl-help.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_buf-help.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_buf.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_buf2-help.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_buf2.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_buf2_dsp.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_buf_dsp.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_buf_gui.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_dsp.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_gui.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_mix2-help.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_mix2.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_mix2_dsp.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_mix3-help.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_mix3.pd
/usr/lib/pd/extra/extendedview/ev-glsl/ev_glsl_mix3_dsp.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/README.txt
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/contrast.ctl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/contrast.frag
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/contrast.gui.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/contrast.reg.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/contrast.vert
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/desaturation.ctl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/desaturation.frag
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/desaturation.reg.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/desaturation.vert
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gain.ctl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gain.frag
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gain.reg.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gain.vert
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gain_hsl.ctl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gain_hsl.frag
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gain_hsl.reg.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gain_hsl.vert
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gamma.ctl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gamma.frag
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gamma.reg.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gamma.vert
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gaussian_blur.2-pass.reg.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gaussian_blur.h.ctl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gaussian_blur.h.frag
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gaussian_blur.h.reg.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gaussian_blur.h.vert
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gaussian_blur.v.ctl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gaussian_blur.v.frag
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gaussian_blur.v.reg.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/gaussian_blur.v.vert
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/invert.ctl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/invert.frag
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/invert.gui.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/invert.reg.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/invert.vert
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/levels.ctl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/levels.frag
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/levels.reg.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/levels.vert
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/mix2.ctl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/mix2.frag
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/mix2.vert
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/mix3.ctl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/mix3.frag
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/mix3.vert
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/name.ctl.pd
/usr/lib/pd/extra/extendedview/ev-glsl/glsl/v001/