Add shaders

2026-05-19 15:33:18 +02:00
parent 593c2e75b2
commit cd9df45d08
1358 changed files with 2429155 additions and 0 deletions
@@ -0,0 +1,150 @@
+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+
+Shader "Hidden/NFAA" {
+Properties {
+	_MainTex ("Base (RGB)", 2D) = "white" {}
+	_BlurTex ("Base (RGB)", 2D) = "white" {}
+
+}
+
+CGINCLUDE
+
+#include "UnityCG.cginc"
+
+uniform sampler2D _MainTex;
+uniform float4 _MainTex_TexelSize;
+uniform float _OffsetScale;
+uniform float _BlurRadius;
+
+struct v2f {
+	float4 pos : SV_POSITION;
+	float2 uv[8] : TEXCOORD0;
+};
+
+	v2f vert( appdata_img v )
+	{
+		v2f o;
+		o.pos = UnityObjectToClipPos (v.vertex);
+		
+		float2 uv = v.texcoord.xy;
+				
+		float2 up = float2(0.0, _MainTex_TexelSize.y) * _OffsetScale;
+		float2 right = float2(_MainTex_TexelSize.x, 0.0) * _OffsetScale;	
+			
+		o.uv[0].xy = uv + up;
+		o.uv[1].xy = uv - up;
+		o.uv[2].xy = uv + right;
+		o.uv[3].xy = uv - right;
+		o.uv[4].xy = uv - right + up;
+		o.uv[5].xy = uv - right -up;
+		o.uv[6].xy = uv + right + up;
+		o.uv[7].xy = uv + right -up;
+		
+		return o;
+	}
+
+	half4 frag (v2f i) : SV_Target
+	{	
+		// get luminance values
+		//  maybe: experiment with different luminance calculations
+		float topL = Luminance( tex2D(_MainTex, i.uv[0]).rgb );
+		float bottomL = Luminance( tex2D(_MainTex, i.uv[1]).rgb );
+		float rightL = Luminance( tex2D(_MainTex, i.uv[2]).rgb );
+		float leftL = Luminance( tex2D(_MainTex, i.uv[3]).rgb );
+		float leftTopL = Luminance( tex2D(_MainTex, i.uv[4]).rgb );
+		float leftBottomL = Luminance( tex2D(_MainTex, i.uv[5]).rgb );
+		float rightBottomL = Luminance( tex2D(_MainTex, i.uv[6]).rgb );
+		float rightTopL = Luminance( tex2D(_MainTex, i.uv[7]).rgb );
+		
+		// 2 triangle subtractions
+		float sum0 = dot(float3(1,1,1), float3(rightTopL,bottomL,leftTopL));
+		float sum1 = dot(float3(1,1,1), float3(leftBottomL,topL,rightBottomL));
+		float sum2 = dot(float3(1,1,1), float3(leftTopL,rightL,leftBottomL));
+		float sum3 = dot(float3(1,1,1), float3(rightBottomL,leftL,rightTopL));
+
+		// figure out "normal"
+		float2 blurDir = half2((sum0-sum1), (sum3-sum2));
+		blurDir *= _MainTex_TexelSize.xy * _BlurRadius;
+
+		// reconstruct normal uv
+		float2 uv_ = (i.uv[0] + i.uv[1]) * 0.5;
+		 
+		float4 returnColor = tex2D(_MainTex, uv_);
+		returnColor += tex2D(_MainTex, uv_+ blurDir.xy);
+		returnColor += tex2D(_MainTex, uv_ - blurDir.xy);
+		returnColor += tex2D(_MainTex, uv_ + float2(blurDir.x, -blurDir.y));
+		returnColor += tex2D(_MainTex, uv_ - float2(blurDir.x, -blurDir.y));
+
+		return returnColor * 0.2;
+	}
+	
+	half4 fragDebug (v2f i) : SV_Target
+	{	
+		// get luminance values
+		//  maybe: experiment with different luminance calculations
+		float topL = Luminance( tex2D(_MainTex, i.uv[0]).rgb );
+		float bottomL = Luminance( tex2D(_MainTex, i.uv[1]).rgb );
+		float rightL = Luminance( tex2D(_MainTex, i.uv[2]).rgb );
+		float leftL = Luminance( tex2D(_MainTex, i.uv[3]).rgb );
+		float leftTopL = Luminance( tex2D(_MainTex, i.uv[4]).rgb );
+		float leftBottomL = Luminance( tex2D(_MainTex, i.uv[5]).rgb );
+		float rightBottomL = Luminance( tex2D(_MainTex, i.uv[6]).rgb );
+		float rightTopL = Luminance( tex2D(_MainTex, i.uv[7]).rgb );
+		
+		// 2 triangle subtractions
+		float sum0 = dot(float3(1,1,1), float3(rightTopL,bottomL,leftTopL));
+		float sum1 = dot(float3(1,1,1), float3(leftBottomL,topL,rightBottomL));
+		float sum2 = dot(float3(1,1,1), float3(leftTopL,rightL,leftBottomL));
+		float sum3 = dot(float3(1,1,1), float3(rightBottomL,leftL,rightTopL));
+
+		// figure out "normal"
+		float2 blurDir = half2((sum0-sum1), (sum3-sum2));
+		blurDir *= _MainTex_TexelSize.xy * _BlurRadius;
+
+		// reconstruct normal uv
+		float2 uv_ = (i.uv[0] + i.uv[1]) * 0.5;
+		 
+		float4 returnColor = tex2D(_MainTex, uv_);
+		returnColor += tex2D(_MainTex, uv_+ blurDir.xy);
+		returnColor += tex2D(_MainTex, uv_ - blurDir.xy);
+		returnColor += tex2D(_MainTex, uv_ + float2(blurDir.x, -blurDir.y));
+		returnColor += tex2D(_MainTex, uv_ - float2(blurDir.x, -blurDir.y));
+
+		blurDir = half2((sum0-sum1), (sum3-sum2)) * _BlurRadius;
+		return half4(normalize( half3(blurDir,1) * 0.5 + 0.5), 1);
+		return returnColor * 0.2;
+	}	
+	
+ENDCG
+
+SubShader {
+	Pass {
+		ZTest Always Cull Off ZWrite Off
+	
+		CGPROGRAM
+	
+		#pragma vertex vert
+		#pragma fragment frag
+		#pragma target 3.0
+		#pragma exclude_renderers d3d11_9x
+		
+		ENDCG
+	}
+	Pass {
+		ZTest Always Cull Off ZWrite Off
+	
+		CGPROGRAM
+	
+		#pragma vertex vert
+		#pragma fragment fragDebug
+		#pragma target 3.0
+		#pragma exclude_renderers d3d11_9x
+		
+		ENDCG
+	}
+}
+
+Fallback off
+
+}