BREAKING-CHANGE: changed nixpkgs to stable 24.11 + structure change + fmt

home-manager/dwm/black_to_transparent.frag

@@ -0,0 +1,22 @@
+#version 330
+in vec2 texcoord;
+uniform float opacity;
+uniform bool invert_color;
+uniform sampler2D tex;
+
+vec4 window_shader() {
+	vec4 c = texelFetch(tex, ivec2(texcoord), 0);
+	{
+		// Change vec4(1.0, 1.0, 1.0, 1.0) to your desired color
+		vec4 vdiff = abs(vec4(0.0, 0.0, 0.0, 1.0) - c);
+		float diff = max(max(max(vdiff.r, vdiff.g), vdiff.b), vdiff.a);
+		// Change 0.8 to your desired opacity
+		if (diff < 0.001)
+			c *= 0;
+	}
+	if (invert_color)
+		c = vec4(vec3(c.a, c.a, c.a) - vec3(c), c.a);
+	c *= opacity;
+	// vec4 default_post_processing(vec4 c);
+	return c;
+}