1 files changed, 18 insertions, 0 deletions
diff --git a/raveos-theme/gnome/theme-data/extensions/installed/blur-my-shell@aunetx/effects/rgb_to_hsl.glsl b/raveos-theme/gnome/theme-data/extensions/installed/blur-my-shell@aunetx/effects/rgb_to_hsl.glsl
new file mode 100644
index 0000000..b7a35ac
--- /dev/null
+++ b/raveos-theme/gnome/theme-data/extensions/installed/blur-my-shell@aunetx/effects/rgb_to_hsl.glsl
@@ -0,0 +1,18 @@
+uniform sampler2D tex;
+
+vec3 rgb_to_hsl(vec3 c) {
+    vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
+    vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
+    vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));
+
+    float d = q.x - min(q.w, q.y);
+    float e = 1.0e-10;
+    return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
+}
+
+void main(void) {
+    vec2 uv = cogl_tex_coord_in[0].xy;
+    vec4 rgba = texture2D(tex, uv);
+    vec4 hsla = vec4(rgb_to_hsl(rgba.xyz), rgba.w);
+    cogl_color_out = hsla;
+}
+\ No newline at end of file