From 65a89c93d09efb68ed50c2770c99fe14c56b6409 Mon Sep 17 00:00:00 2001
From: Nerboruto <nerboruto@msn.com>
Date: Wed, 23 Dec 2020 16:56:42 +0100
Subject: [PATCH] little fix + update to vertical pass (#163)

* anamorphic shader

* Create anamorphic.slang

* Update anamorphic.slang

* better botton resize

* Update anamorphic.slang

* little fix + logic change of vertical second pass
---
 anamorphic/shaders/anamorphic.slang | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/anamorphic/shaders/anamorphic.slang b/anamorphic/shaders/anamorphic.slang
index aea4bb77..9f5ca72e 100644
--- a/anamorphic/shaders/anamorphic.slang
+++ b/anamorphic/shaders/anamorphic.slang
@@ -35,12 +35,12 @@ layout(push_constant) uniform Push
 	float vab;
 } params;
 
-#pragma parameter exc "orizontal correction hack (games where players stay at center)" 0.0 -10.0 10.0 0.5
+#pragma parameter exc "orizontal correction hack (games where players stay at center)" 0.0 -10.0 10.0 0.25
 #pragma parameter exp "border hack (hack for 2d games extra correction prepass)" 1.0 0.0 1.0 1.0
-#pragma parameter vuc "vertical Upper resize hack (most important first pass)" 0.0 0.0 10.0 0.5
-#pragma parameter vab "vertical alf resize hack (second pass 90-85 optimal)" 1.0 0.5 1.0 0.05
-#pragma parameter upc "Upper  vertical Crop" 0.0 -0.5 10.0 0.5
-#pragma parameter btc "Bottom vertical Crop" 0.0 -0.5 10.0 0.5
+#pragma parameter vuc "vertical Upper resize hack (most important first pass)" 0.0 0.0 10.0 0.25
+#pragma parameter vab "vertical Bottom resize hack (90-85 second pass)" 1.0 0.5 1.0 0.01
+#pragma parameter upc "Upper  vertical Crop" 0.0 0.0 10.0 0.25
+#pragma parameter btc "Bottom vertical Crop" 0.0 0.0 10.0 0.25
 
 layout(std140, set = 0, binding = 0) uniform UBO
 {
@@ -87,11 +87,11 @@ float AnamorphYU(float CoordY)
 	if (ryu > 0.0) return 1.0;
 	return (1.0-fyu)/(1.0-fyu*ryu);
 }
-//alf vertical
+//Bottom vertical
 float AnamorphAB(float CoordY)
 {
 	if (params.vab == 1.0) return 1.0;
-	float rab = length(CoordY);
+	float rab = CoordY;
 	float fab = radians(6);
 	if (rab < params.vab) return 1.0;
 	return (1.0-fab)/((1.0-(1.0-params.vab)*0.1)-fab*rab);
@@ -100,9 +100,9 @@ float AnamorphAB(float CoordY)
 float AnamorphB(float CoordB)
 {
 	float rb = length(CoordB);
-	float fb = -radians(45);
+	float fb = -radians(15);
 	if (rb < 0.99) return 1.0;
-	return (1.0-fb)/(1.0078125-fb*rb);
+	return (1.0-fb)/(1.0060-fb*rb);
 }
 
 void main()
@@ -119,7 +119,7 @@ void main()
 	RCoord.y *= AnamorphYU(RCoord.y);
 	RCoord.y *= AnamorphAB(RCoord.y);
 	RCoord = RCoord * 0.5 + 0.5;
-	RCoord.y = (RCoord.y+(params.upc+params.vuc)*0.01)/(1.0+(params.upc+params.btc+params.vuc)*0.01);
+	RCoord.y = (RCoord.y+(params.upc+(params.vuc*0.95))*0.01)/(1.0+(params.upc+params.btc+(params.vuc*0.95))*0.01);
 	vec3 res = texture(Source, RCoord).rgb;
     FragColor = vec4(res,0.0);
-}
+}
\ No newline at end of file