1 files changed, 52 insertions, 0 deletions
diff --git a/raveos-gnome-theme/theme-data/extensions/installed/blur-my-shell@aunetx/effects/monte_carlo_blur.glsl b/raveos-gnome-theme/theme-data/extensions/installed/blur-my-shell@aunetx/effects/monte_carlo_blur.glsl
new file mode 100644
index 0000000..27b3806
--- /dev/null
+++ b/raveos-gnome-theme/theme-data/extensions/installed/blur-my-shell@aunetx/effects/monte_carlo_blur.glsl
@@ -0,0 +1,52 @@
+uniform sampler2D tex;
+uniform float radius;
+uniform int iterations;
+uniform float brightness;
+uniform float width;
+uniform float height;
+uniform bool use_base_pixel;
+uniform bool prefer_closer_pixels;
+
+float srand(vec2 a) {
+    return sin(dot(a, vec2(1233.224, 1743.335)));
+}
+
+float rand(inout float r) {
+    r = fract(3712.65 * r + 0.61432);
+    return (r - 0.5) * 2.0;
+}
+
+void main() {
+    vec2 uv = cogl_tex_coord0_in.st;
+    vec2 p = 16 * radius / vec2(width, height);
+    float r = srand(uv);
+
+    vec2 rv;
+    vec2 dir;
+    vec2 new_uv;
+    int strength;
+
+    int count = 0;
+    vec4 c = vec4(0.);
+
+    for (int i = 0; i < iterations; i++) {
+        rv.x = rand(r);
+        rv.y = rand(r) * 3.141592;
+        dir = vec2(cos(rv.y), sin(rv.y));
+        new_uv = uv + rv.x * dir * p;
+        if (new_uv.x > 2. / width && new_uv.y > 2. / height && new_uv.x < 1. - 3. / width && new_uv.y < 1. - 3. / height) {
+            strength = prefer_closer_pixels ? (iterations - i)^2 : 1;
+            c += strength * texture2D(tex, new_uv);
+            count += strength;
+        }
+    }
+
+    if (count == 0 || use_base_pixel) {
+        strength = prefer_closer_pixels ? (iterations + 1)^2 : 1;
+        c += strength * texture2D(tex, uv);
+        count += strength;
+    }
+
+    c.xyz *= brightness;
+    cogl_color_out = c / count;
+}
+\ No newline at end of file