45 lines
794 B
Bash
45 lines
794 B
Bash
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#!/usr/bin/sh
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lockfile=/home/nilix/.colormode
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if [ ! -e ${lockfile} ]; then
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echo "fullcolor" > ${lockfile}
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fi
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if [ "$1" = "toggle" ]; then
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colormode=$(cat ${lockfile})
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case ${colormode} in
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"fullcolor")
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echo "greyscale" > ${lockfile}
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;;
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"greyscale")
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echo "fullcolor" > ${lockfile}
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;;
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esac
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fi
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apply_compositor() {
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kill $(pgrep picom)
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colormode=$(cat ${lockfile})
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case ${colormode} in
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"fullcolor")
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picom &
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;;
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"greyscale")
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picom --legacy-backends --backend glx --glx-fshader-win "
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uniform sampler2D tex;
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void main() {
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vec4 c = texture2D(tex, gl_TexCoord[0].xy);
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float y = dot(c.rgb, vec3(0.299, 0.587, 0.114));
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gl_FragColor = vec4(y, y, y, c.a);
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}" &
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;;
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esac
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}
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apply_compositor
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