From 85ffa02601dad5bddaf0d14a4b42ba7641f7f0e1 Mon Sep 17 00:00:00 2001
From: getdls <25286924+getdls@users.noreply.github.com>
Date: Sat, 18 Jan 2020 19:21:46 +0100
Subject: [PATCH] [TP] Bicubic crashes on Vulcan - Removed

---
 .../TwilightPrincessHD_Bicubic/output.glsl    | 98 -------------------
 .../TwilightPrincessHD_Bicubic/rules.txt      | 39 --------
 2 files changed, 137 deletions(-)
 delete mode 100644 Enhancements/TwilightPrincessHD_Bicubic/output.glsl
 delete mode 100644 Enhancements/TwilightPrincessHD_Bicubic/rules.txt

diff --git a/Enhancements/TwilightPrincessHD_Bicubic/output.glsl b/Enhancements/TwilightPrincessHD_Bicubic/output.glsl
deleted file mode 100644
index 9b876c44..00000000
--- a/Enhancements/TwilightPrincessHD_Bicubic/output.glsl
+++ /dev/null
@@ -1,98 +0,0 @@
-// https://github.com/obsproject/obs-studio/blob/master/libobs/data/bicubic_scale.effect // added customizable polynomials back
-
-#version 420
-
-in vec2 passUV;
-layout(binding=0) uniform sampler2D textureSrc;
-// uniform vec2 textureSrcResolution;
-layout(location = 0) out vec4 colorOut0;
-
-float weight(float x)
-{
-	float ax = abs(x);
-
-	const float B = $b;
-	const float C = $c;
-
-	if (ax < 2.0) {
-		float x_squared = x * x;
-		if (ax < 1.0) {
-			return (x_squared *
-			((12.0 - 9.0 * B - 6.0 * C) * ax +
-				(-18.0 + 12.0 * B + 6.0 * C)) +
-				(6.0 - 2.0 * B))
-			/ 6.0;
-		}
-
-		return (x_squared *
-			((-B - 6.0 * C) * ax + (6.0 * B + 30.0 * C)) +
-				(-12.0 * B - 48.0 * C) * ax +
-				(8.0 * B + 24.0 * C))
-			/ 6.0;
-	}
-
-	return 0.0;
-}
-
-vec4 weight4(float x)
-{
-	return vec4(
-		weight(x - 2.0),
-		weight(x - 1.0),
-		weight(x),
-		weight(x + 1.0));
-}
-
-vec4 DrawBicubic(vec2 f_in)
-{
-	vec2 textureSrcResolution = vec2( textureSize(textureSrc,0) );
-	vec2 stepxy = 1.0/textureSrcResolution;
-	vec2 pos = f_in.st + stepxy * 0.5;
-	vec2 f = fract(pos * textureSrcResolution);
-
-	vec4 rowtaps = weight4(1.0 - f.x);
-	vec4 coltaps = weight4(1.0 - f.y);
-
-	vec2 uv0 = (-1.5 - f) * stepxy + pos;
-	vec2 uv1 = uv0 + stepxy;
-	vec2 uv2 = uv1 + stepxy;
-	vec2 uv3 = uv2 + stepxy;
-
-	float u_weight_sum = rowtaps.y + rowtaps.z;
-	float u_middle_offset = rowtaps.z * stepxy.x / u_weight_sum;
-	float u_middle = uv1.x + u_middle_offset;
-
-	float v_weight_sum = coltaps.y + coltaps.z;
-	float v_middle_offset = coltaps.z * stepxy.y / v_weight_sum;
-	float v_middle = uv1.y + v_middle_offset;
-
-	// wrap doesn't apply to texelFetch
-	// clamp
-//	ivec2 coord_top_left = ivec2(max(uv0 * textureSrcResolution, 0.5));
-//	ivec2 coord_bottom_right = ivec2(min(uv3 * textureSrcResolution, textureSrcResolution - 0.5));
-	// mirror
-	ivec2 coord_top_left = ivec2(abs(uv0 * textureSrcResolution));
-	ivec2 coord_bottom_right = ivec2(textureSrcResolution - abs(uv3 * textureSrcResolution - textureSrcResolution));
-
-	vec4 top = texelFetch(textureSrc, ivec2(coord_top_left), 0) * rowtaps.x;
-	top += texture(textureSrc, vec2(u_middle, uv0.y)) * u_weight_sum;
-	top += texelFetch(textureSrc, ivec2(coord_bottom_right.x, coord_top_left.y), 0) * rowtaps.w;
-	vec4 total = top * coltaps.x;
-
-	vec4 middle = texture(textureSrc, vec2(uv0.x, v_middle)) * rowtaps.x;
-	middle += texture(textureSrc, vec2(u_middle, v_middle)) * u_weight_sum;
-	middle += texture(textureSrc, vec2(uv3.x, v_middle)) * rowtaps.w;
-	total += middle * v_weight_sum;
-
-	vec4 bottom = texelFetch(textureSrc, ivec2(coord_top_left.x, coord_bottom_right.y), 0) * rowtaps.x;
-	bottom += texture(textureSrc, vec2(u_middle, uv3.y)) * u_weight_sum;
-	bottom += texelFetch(textureSrc, ivec2(coord_bottom_right), 0) * rowtaps.w;
-	total += bottom * coltaps.w;
-
-	return total;
-}
-
-void main()
-{
-	colorOut0 = vec4(DrawBicubic(passUV).rgb,1.0);
-}
diff --git a/Enhancements/TwilightPrincessHD_Bicubic/rules.txt b/Enhancements/TwilightPrincessHD_Bicubic/rules.txt
deleted file mode 100644
index e072a5f9..00000000
--- a/Enhancements/TwilightPrincessHD_Bicubic/rules.txt
+++ /dev/null
@@ -1,39 +0,0 @@
-[Definition]
-name = Optimized Bicubic spline resampler
-titleIds = 000500001019C800,000500001019E600,000500001019E500
-path = "The Legend of Zelda: Twilight Princess HD/Enhancements/Bicubic Sharpen Filters"
-description = The b and c can adjust the properties of the cubic; sometimes referred to as "blurring" and "ringing" respectively. Made by NAVras and getdls.
-version = 3
-
-[OutputShader]
-upscaleMagFilter = Linear
-downscaleMagFilter = Linear
-
-[Preset]
-name = Catmull-Rom
-$b = 0.0
-$c = 0.5
-
-[Preset]
-name = Mitchell-Netravali
-$b = 1/3
-$c = 1/3
-
-[Preset]
-name = B-spline
-$b = 1.0
-$c = 0.0
-
-[Preset]
-name = Photoshop
-$b = 0.0
-$c = 0.75
-
-[Preset]
-name = Oversharp, w ringing artifact
-$b = 0.1
-$c = 0.9
-
-# Generally b,c >= 0. the shader can't produce negative weight at 0-1 because of bilinear optimization
-# But some combinations of negative b,c might have non-negative weight
-# Optionally [b + 2c = 1] for numerically accurate filter