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Assets/Outline/Runtime/Shaders/Checker.png.meta

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Assets/Outline/Runtime/Shaders/Main.shader

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+Shader "Hidden/OutlineFx/Main"
+{
+    SubShader
+    {
+		Pass	// 0
+        {
+            name "Transparent"
+		        
+		    Cull Off
+		    ZWrite Off
+		    ZTest LEqual
+        	Blend SrcAlpha OneMinusSrcAlpha
+        	
+            HLSLPROGRAM
+            
+            #include "Utils.hlsl"
+            
+            #pragma vertex vert_mesh
+            #pragma fragment frag
+            
+            sampler2D _MainTex;
+			float4    _Color;
+            float     _Alpha;
+            
+            // =======================================================================
+            float4 frag(fragIn i) : SV_Target
+            {
+            	if (tex2D(_MainTex, i.uv).a < _Alpha)
+            		discard;
+            	
+            	return _Color;
+            }
+            ENDHLSL
+        }
+    	
+        Pass	// 1
+        {
+            name "Outline"
+        	
+		    Cull Off
+		    ZWrite Off
+		    ZTest Off
+        	Blend SrcAlpha OneMinusSrcAlpha
+        	
+            HLSLPROGRAM
+            #include "Utils.hlsl"
+            
+            #pragma vertex vert_screen
+            #pragma fragment frag
+            
+            #pragma multi_compile_local BOX CROSS
+            #pragma multi_compile_local SOFT HARD
+            #pragma multi_compile_local _ ALPHA_MASK
+            
+			#define	BLUR_LENGTH 9
+			#define	BLUR_LENGTH_HALF ((BLUR_LENGTH - 1) / 2)
+			static const float	k_BlurWeights[BLUR_LENGTH] =
+			{
+				0.046995 * 2,
+				0.064759 * 2,
+				0.120985 * 2,
+				0.176033 * 2,
+				0.199471 * 2,
+				0.176033 * 2,
+				0.120985 * 2,
+				0.064759 * 2,
+				0.046995 * 2,
+			};
+
+            sampler2D _MainTex;
+            sampler2D _AlphaTex;
+			float4    _AlphaTO;
+			float2    _Step;
+			float     _Solid;
+
+            // =======================================================================
+            float4 _sample_soft(float2 uv, in const float2 step)
+            {
+				float4 result = 0;
+				uv -= BLUR_LENGTH_HALF * step;
+            	
+            	[unroll]
+				for (int n = 0; n < BLUR_LENGTH; n ++)
+				{
+					result += tex2D(_MainTex, uv) * k_BlurWeights[n];
+					uv += step;
+				}
+            	
+            	return result;
+            }
+            
+            float4 _sample_hard(float2 uv, in const float2 step)
+            {
+				float4 result = 0;
+            	
+				uv -= BLUR_LENGTH_HALF * step;
+            	
+            	[unroll]
+				for (int n = 0; n < BLUR_LENGTH; n ++)
+				{
+					float4 sample = tex2D(_MainTex, uv);
+					result = max(sample, result);
+					uv += step;
+				}
+            	
+            	return result;
+            }
+            
+            float4 _sample(const float2 uv, in const float2 step)
+            {
+#ifdef SOFT
+            	return _sample_soft(uv, step);
+#endif
+#ifdef HARD
+            	return _sample_hard(uv, step);
+#endif
+            }
+            
+            float4 frag(fragIn i) : SV_Target
+            {
+            	float4 color = tex2D(_MainTex, i.uv);
+            	if (color.a > .0)
+            	{
+#ifdef ALPHA_MASK
+            		return float4(color.xyz, color.a * _Solid * tex2D(_AlphaTex, mad(i.uv, _AlphaTO.xy, _AlphaTO.zw)).a);
+#endif
+            		return float4(color.xyz, color.a * _Solid);
+            	}
+            	
+				float4 result = 0;
+
+#ifdef BOX
+				const float2 stepX = float2(_Step.x, 0);
+				const float2 stepY = float2(0, _Step.y);
+				float2 uv = i.uv - BLUR_LENGTH_HALF * stepX;
+            	
+            	[unroll]
+				for (int n = 0; n < BLUR_LENGTH; n ++)
+				{
+#ifdef SOFT
+					result += _sample(uv, stepY) * k_BlurWeights[n];
+#endif
+#ifdef HARD
+					result = max(result, _sample(uv, stepY));
+#endif
+					
+					uv += stepX;
+				}
+#endif            	
+#ifdef CROSS
+				result = (_sample(i.uv, _Step) + _sample(i.uv, float2(_Step.x, -_Step.y))) * .5f;
+#endif
+            	
+            	return result;
+            }
+            ENDHLSL
+        }
+    	
+    	Pass	// 2
+        {
+            name "Overlay"
+        	
+		    Cull Off
+		    ZWrite Off
+		    ZTest Off
+        	Blend SrcAlpha OneMinusSrcAlpha
+        	
+            HLSLPROGRAM
+            #include "Utils.hlsl"
+            
+            #pragma vertex vert_screen
+            #pragma fragment frag
+            
+            sampler2D _MainTex;
+
+            // =======================================================================
+            float4 frag(fragIn i) : SV_Target
+            {
+            	return tex2D(_MainTex, i.uv);
+            }
+            ENDHLSL
+        }
+    }
+}

Assets/Outline/Runtime/Shaders/Main.shader.meta

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+  productId: 290431
+  packageName: Outline 2D/3D
+  packageVersion: 1.0
+  assetPath: Assets/Outline/Runtime/Shaders/Main.shader
+  uploadId: 678360

Assets/Outline/Runtime/Shaders/Utils.hlsl

@@ -0,0 +1,41 @@
+#ifndef OUTLINE_UTILS_INCLUDED
+#define OUTLINE_UTILS_INCLUDED
+
+#include "UnityCG.cginc"
+
+struct vertIn
+{
+    float4 vertex : POSITION;
+    float2 uv : TEXCOORD0;
+};
+
+struct fragIn
+{
+    float4 vertex : SV_POSITION;
+    float2 uv : TEXCOORD0;
+};
+
+fragIn vert_mesh(vertIn v)
+{
+    fragIn o;
+    o.vertex = UnityObjectToClipPos(v.vertex);
+    o.uv = v.uv;
+
+    return o;
+}
+
+fragIn vert_screen(vertIn v)
+{
+    fragIn o;
+    o.vertex = v.vertex;
+    o.uv = v.uv;
+
+    return o;
+}
+
+float random(in const float2 uv)
+{
+    return frac(sin(dot(uv, float2(12.9898, 78.233))) * 43758.5453123);
+}
+
+#endif

Assets/Outline/Runtime/Shaders/Utils.hlsl.meta

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