From 7e218040231be30c95575d6ded6ae0080342c563 Mon Sep 17 00:00:00 2001
From: Uranite <62639703+Uranite@users.noreply.github.com>
Date: Sat, 6 Apr 2024 20:33:10 +0700
Subject: [PATCH 1/2] Update SSimDownscaler.glsl

---
 shaders/SSimDownscaler.glsl | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/shaders/SSimDownscaler.glsl b/shaders/SSimDownscaler.glsl
index f518476..e2ec778 100644
--- a/shaders/SSimDownscaler.glsl
+++ b/shaders/SSimDownscaler.glsl
@@ -1,5 +1,3 @@
-// SSimDownscaler by Shiandow
-//
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
 // License as published by the Free Software Foundation; either
@@ -14,8 +12,8 @@
 // License along with this library.
 
 //!HOOK POSTKERNEL
-//!BIND HOOKED
 //!BIND PREKERNEL
+//!BIND HOOKED
 //!SAVE L2
 //!WIDTH NATIVE_CROPPED.w
 //!WHEN NATIVE_CROPPED.h POSTKERNEL.h >
@@ -45,7 +43,8 @@ vec4 hook() {
         float rel = (pos[axis] - base[axis])*POSTKERNEL_size[axis];
         float w = Kernel(rel);
 
-        avg += w * pow(textureLod(PREKERNEL_raw, pos, 0.0) * PREKERNEL_mul, vec4(2.0));
+        vec4 tex = textureLod(PREKERNEL_raw, pos, 0.0) * PREKERNEL_mul;
+        avg += w * tex * tex;
         W += w;
     }
     avg /= W;
@@ -54,8 +53,8 @@ vec4 hook() {
 }
 
 //!HOOK POSTKERNEL
-//!BIND HOOKED
 //!BIND L2
+//!BIND HOOKED
 //!SAVE L2
 //!WHEN NATIVE_CROPPED.w POSTKERNEL.w >
 //!COMPONENTS 3
@@ -98,7 +97,9 @@ vec4 hook() {
 //!COMPONENTS 4
 //!DESC SSimDownscaler mean & R
 
-#define sigma_nsq   49. / (255.*255.)
+#define oversharp   0.0
+
+#define sigma_nsq   10. / (255.*255.)
 #define locality    2.0
 
 #define offset      vec2(0,0)
@@ -148,9 +149,9 @@ vec4 hook() {
     }
     avg /= W;
 
-    float Sl = Luma(max(avg[1] - avg[0] * avg[0], 0.)) + sigma_nsq;
-    float Sh = Luma(max(avg[2] - avg[0] * avg[0], 0.)) + sigma_nsq;
-    return vec4(avg[0], sqrt(Sh / Sl));
+    float Sl = Luma(max(avg[1] - avg[0] * avg[0], 0.));
+    float Sh = Luma(max(avg[2] - avg[0] * avg[0], 0.));
+    return vec4(avg[0], mix(sqrt((Sh + sigma_nsq) / (Sl + sigma_nsq)) * (1. + oversharp), clamp(Sh / Sl, 0., 1.), int(Sl > Sh)));
 }
 
 //!HOOK POSTKERNEL

From 6c1bc6fc5039329e5189c7569b4f7c547178ce06 Mon Sep 17 00:00:00 2001
From: Uranite <62639703+Uranite@users.noreply.github.com>
Date: Sat, 6 Apr 2024 21:24:58 +0700
Subject: [PATCH 2/2] Fix typo

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 1d11a5b..817037d 100644
--- a/README.md
+++ b/README.md
@@ -84,7 +84,7 @@ Scripts used:
 
 * [playlistmanager.lua](https://github.com/noelsimbolon/mpv-config/blob/linux/scripts/playlistmanager.lua) —
   [source](https://github.com/jonniek/mpv-playlistmanager)\
-  Allows you to see and interact with your paylist in an intuitive way.
+  Allows you to see and interact with your playlist in an intuitive way.
 
 * [seek-to.lua](https://github.com/noelsimbolon/mpv-config/blob/linux/scripts/seek-to.lua) —
   [source](https://github.com/dexeonify/mpv-config/blob/main/scripts/seek-to.lua)\