diff --git a/leenkx/Shaders/std/tonemap.glsl b/leenkx/Shaders/std/tonemap.glsl
index 2d87c87..6258047 100644
--- a/leenkx/Shaders/std/tonemap.glsl
+++ b/leenkx/Shaders/std/tonemap.glsl
@@ -89,3 +89,52 @@ vec3 tonemapAgXFull(vec3 x) {
     x = clamp(x, 0.0, 1.0);
     return pow(x, vec3(1.0/2.2)); 
 }
+
+
+// Interleaved Gradient Noise (Pseudo-random, AKA Blue Noise style)
+// Based on http://momentsingraphics.de/BlueNoise.html
+float ditherBlueNoiseStyle(vec2 p) {
+    return fract(sin(dot(p.xy, vec2(12.9898, 78.233))) * 43758.5453123);
+}
+
+// White Noise Dithering
+float ditherWhiteNoise(vec2 p) {
+    return fract(sin(dot(p, vec2(12.9898, 4.1414))) * 43758.5453);
+}
+
+// Ordered Dithering (4x4 Bayer Matrix)
+float ditherOrderedBayer4x4(ivec2 p) {
+    const float bayer[16] = float[16](
+         0.0,  8.0,  2.0, 10.0,
+        12.0,  4.0, 14.0,  6.0,
+         3.0, 11.0,  1.0,  9.0,
+        15.0,  7.0, 13.0,  5.0
+    );
+    int index = (p.x % 4) * 4 + (p.y % 4);
+    return bayer[index] / 16.0;
+}
+
+// Ordered Dithering (8x8 Bayer Matrix)
+float ditherOrderedBayer8x8(ivec2 p) {
+    const float bayer8x8[64] = float[64](
+         0.0, 32.0,  8.0, 40.0,  2.0, 34.0, 10.0, 42.0,
+        48.0, 16.0, 56.0, 24.0, 50.0, 18.0, 58.0, 26.0,
+        12.0, 44.0,  4.0, 36.0, 14.0, 46.0,  6.0, 38.0,
+        60.0, 28.0, 52.0, 20.0, 62.0, 30.0, 54.0, 22.0,
+         3.0, 35.0, 11.0, 43.0,  1.0, 33.0,  9.0, 41.0,
+        51.0, 19.0, 59.0, 27.0, 49.0, 17.0, 57.0, 25.0,
+        15.0, 47.0,  7.0, 39.0, 13.0, 45.0,  5.0, 37.0,
+        63.0, 31.0, 55.0, 23.0, 61.0, 29.0, 53.0, 21.0
+    );
+    int index = (p.x % 8) * 8 + (p.y % 8);
+    return bayer8x8[index] / 64.0;
+}
+
+
+//vec3 applyDither(vec3 color, vec2 screenCoord) {
+//    float quantizationLevels = 255.0;
+//    float noise = randomDither(screenCoord);
+//    float noiseOffset = (noise - 0.5) / quantizationLevels;
+//    vec3 ditheredColor = color + noiseOffset;
+//    return clamp(ditheredColor, 0.0, 1.0);
+//}