Shortcuts you invent, rules you write, gestures you own - all still just data

Claude-Session: https://claude.ai/code/session_01Ms2FbjQy31TVf3CEvQhGM8

config/dot/hypr/shaders/grayscale.frag

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+// Grayscale.
+//
+// Panama's accessibility color filters. Selected by the `colorFilter`
+// preference; hypr/looks.lua maps the enum to this path at config time and
+// services/SystemSettings.qml does the same live.
+//
+// Hyprland runs one fragment shader over the finished frame, so this covers
+// every window, the shell, video and the cursor alike.
+//
+// Rec. 709 luminance weights -- the same ones an SVG <feColorMatrix
+// type="saturate" values="0"> uses. A flat average would make reds and blues
+// far too bright and greens far too dark, because the eye does not weigh the
+// channels equally.
+
+#version 300 es
+
+precision mediump float;
+in vec2 v_texcoord;
+layout(location = 0) out vec4 fragColor;
+uniform sampler2D tex;
+
+void main() {
+    vec4 pixColor = texture(tex, v_texcoord);
+
+    float luminance = dot(pixColor.rgb, vec3(0.2126, 0.7152, 0.0722));
+
+    fragColor = vec4(vec3(luminance), pixColor.a);
+}