mirror of
https://github.com/FriendshipIsEpic/FiE-Game.git
synced 2025-02-21 21:03:10 +01:00
751 lines
21 KiB
Text
751 lines
21 KiB
Text
Shader "Hidden/Ultimate/Sampling"
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{
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Properties
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{
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_MainTex ("Base (RGB)", 2D) = "white" {}
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}
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CGINCLUDE
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#pragma target 3.0
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#include "UnityCG.cginc"
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float4 _OffsetInfos;
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float4 _Tint;
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float _Intensity;
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sampler2D _MainTex;
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sampler2D _AdditiveTexture;
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struct v2f
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{
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half4 pos : SV_POSITION;
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half2 uv : TEXCOORD0;
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};
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struct v2f_opts
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{
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half4 pos : SV_POSITION;
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half2 uv[7] : TEXCOORD0;
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};
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v2f vert( appdata_img v )
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{
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v2f o;
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o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
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o.uv = v.texcoord.xy;
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return o;
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}
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struct v2fLow {
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half4 pos : POSITION;
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half2 uv : TEXCOORD0;
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half4 uv01 : TEXCOORD1;
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half4 uv23 : TEXCOORD2;
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half4 uv45 : TEXCOORD3;
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half4 uv67 : TEXCOORD4;
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half4 uv89 : TEXCOORD5;
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};
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v2fLow vertLow( appdata_img v )
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{
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v2fLow o;
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o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
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o.uv = v.texcoord.xy;
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o.uv01 = v.texcoord.xyxy + _OffsetInfos.xyxy * half4(1,1, -1,-1);
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o.uv23 = v.texcoord.xyxy + _OffsetInfos.xyxy * half4(1,1, -1,-1) * 2;
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o.uv45 = v.texcoord.xyxy + _OffsetInfos.xyxy * half4(1,1, -1,-1) * 3;
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o.uv67 = v.texcoord.xyxy + _OffsetInfos.xyxy * half4(1,1, -1,-1) * 4;
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o.uv89 = v.texcoord.xyxy + _OffsetInfos.xyxy * half4(1,1, -1,-1) * 5;
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return o;
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}
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inline float ComputeLuma( float3 c )
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{
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return dot( c, fixed3(0.299, 0.587, 0.114) );
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}
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float Gaussian(float Scale, int iSamplePoint)
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{
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float sigma = (Scale-1.0)/5;
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float g = 1.0f / sqrt(2.0f * 3.14159 * sigma * sigma);
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return (g * exp(-(iSamplePoint * iSamplePoint) / (2 * sigma * sigma)));
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}
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float4 Upsample(half2 uv)
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{
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half4 f0 = tex2D (_AdditiveTexture, uv + half2(_OffsetInfos.z,_OffsetInfos.w));
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half4 f1 = tex2D (_AdditiveTexture, uv + half2(-_OffsetInfos.z,_OffsetInfos.w));
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half4 f2 = tex2D (_AdditiveTexture, uv + half2(-_OffsetInfos.z,-_OffsetInfos.w));
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half4 f3 = tex2D (_AdditiveTexture, uv + half2(_OffsetInfos.z,-_OffsetInfos.w));
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return (f0+f1+f2+f3)*0.25;
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}
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half4 fragGaussBlurVeryHigh (v2f i) : SV_Target
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{
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half4 color = half4 (0,0,0,0);
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float Scale = 31;
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float2 gUV = i.uv;
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float Offset = 0;
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color += 0.1480461 * tex2D (_MainTex, gUV);
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color += 0.1451146 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 1);
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color += 0.1451146 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 1);
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color += 0.1366637 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 2);
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color += 0.1366637 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 2);
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color += 0.1236585 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 3);
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color += 0.1236585 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 3);
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color += 0.1075035 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 4);
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color += 0.1075035 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 4);
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color += 0.08979447 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 5);
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color += 0.08979447 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 5);
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color += 0.07206175 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 6);
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color += 0.07206175 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 6);
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color += 0.05556333 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 7);
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color += 0.05556333 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 7);
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color += 0.04116233 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 8);
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color += 0.04116233 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 8);
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color += 0.02929812 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 9);
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color += 0.02929812 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 9);
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color += 0.02003586 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 10);
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color += 0.02003586 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 10);
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color += 0.01316449 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 11);
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color += 0.01316449 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 11);
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color += 0.008310529 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 12);
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color += 0.008310529 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 12);
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color += 0.005040591 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 13);
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color += 0.005040591 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 13);
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color += 0.002937396 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 14);
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color += 0.002937396 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 14);
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color += 0.001644643 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 15);
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color += 0.001644643 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 15);
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color.a = 1.0;
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return color * _Tint * _Intensity + Upsample(i.uv);
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}
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half4 fragGaussBlurHigher (v2f i) : SV_Target
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{
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half4 color = half4 (0,0,0,0);
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float Scale = 31;
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float2 gUV = i.uv;
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float Offset = 0;
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color += 0.1562562 * tex2D (_MainTex, gUV);
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color += 0.1527989 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 1);
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color += 0.1527989 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 1);
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color += 0.1428793 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 2);
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color += 0.1428793 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 2);
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color += 0.1277568 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 3);
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color += 0.1277568 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 3);
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color += 0.1092358 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 4);
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color += 0.1092358 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 4);
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color += 0.08931243 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 5);
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color += 0.08931243 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 5);
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color += 0.06982721 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 6);
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color += 0.06982721 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 6);
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color += 0.05220396 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 7);
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color += 0.05220396 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 7);
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color += 0.03732055 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 8);
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color += 0.03732055 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 8);
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color += 0.02551284 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 9);
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color += 0.02551284 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 9);
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color += 0.01667767 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 10);
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color += 0.01667767 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 10);
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color += 0.01042505 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 11);
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color += 0.01042505 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 11);
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color += 0.006231415 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 12);
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color += 0.006231415 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 12);
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color += 0.003561732 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 13);
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color += 0.003561732 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 13);
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color.a = 1.0;
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return color * _Tint * _Intensity + Upsample(i.uv);
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}
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half4 fragGaussBlurHigh (v2f i) : SV_Target
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{
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half4 color = half4 (0,0,0,0);
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float Scale = 31;
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float2 gUV = i.uv;
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float Offset = 0;
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color += 0.1820341 * tex2D (_MainTex, gUV);
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color += 0.1764335 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 1);
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color += 0.1764335 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 1);
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color += 0.1606445 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 2);
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color += 0.1606445 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 2);
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color += 0.1374065 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 3);
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color += 0.1374065 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 3);
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color += 0.1104092 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 4);
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color += 0.1104092 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 4);
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color += 0.08334126 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 5);
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color += 0.08334126 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 5);
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color += 0.05909781 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 6);
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color += 0.05909781 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 6);
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color += 0.03936763 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 7);
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color += 0.03936763 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 7);
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color += 0.02463563 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 8);
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color += 0.02463563 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 8);
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color += 0.01448254 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 9);
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color += 0.01448254 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 9);
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color += 0.007998019 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 10);
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color += 0.007998019 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 10);
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color += 0.004149318 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 11);
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color += 0.004149318 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 11);
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color.a = 1.0;
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return color * _Tint * _Intensity + Upsample(i.uv);
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}
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half4 fragGaussBlurMedium (v2f i) : SV_Target
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{
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half4 color = half4 (0,0,0,0);
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float Scale = 17;
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float2 gUV = i.uv;
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float Offset = 0;
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color += 0.2605744 * tex2D (_MainTex, gUV);
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color += 0.242882 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 1);
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color += 0.242882 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 1);
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color += 0.1966919 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 2);
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color += 0.1966919 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 2);
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color += 0.13839 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 3);
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color += 0.13839 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 3);
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color += 0.08459612 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 4);
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color += 0.08459612 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 4);
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color += 0.04492867 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 5);
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color += 0.04492867 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 5);
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color += 0.02073118 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 6);
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color += 0.02073118 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 6);
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color += 0.008310967 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 7);
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color += 0.008310967 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 7);
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color += 0.002894721 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 8);
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color += 0.002894721 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 8);
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return color * _Tint * _Intensity + Upsample(i.uv);
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}
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half4 fragGaussBlurLow (v2f i) : SV_Target
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{
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half4 color = half4 (0,0,0,0);
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float Scale = 17;
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float2 gUV = i.uv;
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float Offset = 0;
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color += 0.3098615 * tex2D (_MainTex, gUV);
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color += 0.2789662 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 1);
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color += 0.2789662 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 1);
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color += 0.2035652 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 2);
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color += 0.2035652 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 2);
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color += 0.1203992 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 3);
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color += 0.1203992 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 3);
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color += 0.05771804 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 4);
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color += 0.05771804 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 4);
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color += 0.02242682 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 5);
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color += 0.02242682 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 5);
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color += 0.00706304 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 6);
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color += 0.00706304 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 6);
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return color * _Tint * _Intensity + Upsample(i.uv);
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}
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half4 fragGaussBlurVeryLow (v2fLow i) : SV_Target
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{
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half4 color = half4 (0,0,0,0);
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float2 gUV = i.uv;
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float Offset = 0;
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color += 0.4310208 * tex2D (_MainTex, i.uv);
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color += 0.3403002 * tex2D (_MainTex, i.uv01.xy);
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color += 0.3403002 * tex2D (_MainTex, i.uv01.zw);
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color += 0.1674766 * tex2D (_MainTex, i.uv23.xy);
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color += 0.1674766 * tex2D (_MainTex, i.uv23.zw);
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color += 0.05137766 * tex2D (_MainTex, i.uv45.xy);
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color += 0.05137766 * tex2D (_MainTex, i.uv45.zw);
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color += 0.009824769 * tex2D (_MainTex, i.uv67.xy);
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color += 0.009824769 * tex2D (_MainTex, i.uv67.zw);
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return color * _Tint * _Intensity + Upsample(i.uv);
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}
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ENDCG
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SubShader
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{
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Pass // #0 Simple Downscaling
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{
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ZTest Always Cull Off ZWrite Off
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Fog { Mode off }
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CGPROGRAM
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#pragma vertex vert_img
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#pragma fragment frag
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#pragma fragmentoption ARB_precision_hint_fastest
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#include "UnityCG.cginc"
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fixed4 frag(v2f i):COLOR
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{
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float2 UV[4];
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UV[0] = i.uv + float2(-1.0 * _OffsetInfos.x, -1.0 * _OffsetInfos.y);
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UV[1] = i.uv + float2( 1.0 * _OffsetInfos.x, -1.0 * _OffsetInfos.y);
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UV[2] = i.uv + float2(-1.0 * _OffsetInfos.x, 1.0 * _OffsetInfos.y);
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UV[3] = i.uv + float2( 1.0 * _OffsetInfos.x, 1.0 * _OffsetInfos.y);
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fixed4 Sample[4];
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for(int j = 0; j < 4; ++j)
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{
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Sample[j] = tex2D(_MainTex, UV[j]);
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}
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return (Sample[0] + Sample[1] + Sample[2] + Sample[3]) * 1.0/4;
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}
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ENDCG
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}
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Pass // #1 Complex Downscaling
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{
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ZTest Always Cull Off ZWrite Off
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Fog { Mode off }
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CGPROGRAM
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#pragma vertex vert_img
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#pragma fragment frag
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#pragma fragmentoption ARB_precision_hint_fastest
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#include "UnityCG.cginc"
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fixed4 frag(v2f i):COLOR
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{
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float2 UV[9];
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UV[0] = i.uv;
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UV[1] = i.uv + float2( -2.0 * _OffsetInfos.x, -2.0 * _OffsetInfos.y);
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UV[2] = i.uv + float2( 0.0 * _OffsetInfos.x, -2.0 * _OffsetInfos.y);
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UV[3] = i.uv + float2( 2.0 * _OffsetInfos.x, -2.0 * _OffsetInfos.y);
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UV[4] = i.uv + float2( -2.0 * _OffsetInfos.x, 2.0 * _OffsetInfos.y);
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UV[5] = i.uv + float2( 0.0 * _OffsetInfos.x, 2.0 * _OffsetInfos.y);
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UV[6] = i.uv + float2( 2.0 * _OffsetInfos.x, 2.0 * _OffsetInfos.y);
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UV[7] = i.uv + float2( -2.0 * _OffsetInfos.x, 0.0 * _OffsetInfos.y);
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UV[8] = i.uv + float2( 2.0 * _OffsetInfos.x, 0.0 * _OffsetInfos.y);
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fixed4 Sample[9];
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for(int j = 0; j < 9; ++j)
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{
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Sample[j] = tex2D(_MainTex, UV[j]);
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}
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half4 sum = half4(0,0,0,0);
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for(int j = 0; j < 9; ++j)
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{
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sum += Sample[j];
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}
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return sum* 1.0/9;
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}
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ENDCG
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}
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Pass // #2 Gaussian Sampling Very High
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{
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CGPROGRAM
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#pragma fragmentoption ARB_precision_hint_fastest
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#pragma exclude_renderers flash
|
|
#pragma vertex vert_img
|
|
#pragma fragment fragGaussBlurVeryHigh
|
|
|
|
ENDCG
|
|
}
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|
|
|
Pass // #3 Gaussian Sampling Medium
|
|
{
|
|
CGPROGRAM
|
|
|
|
#pragma fragmentoption ARB_precision_hint_fastest
|
|
#pragma exclude_renderers flash
|
|
#pragma vertex vert_img
|
|
#pragma fragment fragGaussBlurMedium
|
|
|
|
ENDCG
|
|
}
|
|
|
|
Pass // #4 Gaussian Sampling Very Low
|
|
{
|
|
CGPROGRAM
|
|
|
|
#pragma fragmentoption ARB_precision_hint_fastest
|
|
#pragma exclude_renderers flash
|
|
#pragma vertex vertLow
|
|
#pragma fragment fragGaussBlurVeryLow
|
|
|
|
ENDCG
|
|
}
|
|
|
|
|
|
Pass // #5 Filmic curve sampling
|
|
{
|
|
ZTest Always Cull Off ZWrite Off
|
|
Fog { Mode off }
|
|
|
|
CGPROGRAM
|
|
|
|
#pragma vertex vert_img
|
|
#pragma fragment frag
|
|
#pragma fragmentoption ARB_precision_hint_fastest
|
|
#include "UnityCG.cginc"
|
|
|
|
// Curve mapping
|
|
half4 _Toe;
|
|
half4 _Shoulder;
|
|
half _K;
|
|
half _Crossover;
|
|
half _MaxValue;
|
|
half _CurveExposure;
|
|
float Map(half x)
|
|
{
|
|
float4 data;
|
|
float endAdd;
|
|
|
|
if (x > _Crossover)
|
|
{
|
|
data = _Shoulder;
|
|
endAdd = _K;
|
|
}
|
|
else
|
|
{
|
|
data = _Toe;
|
|
endAdd = 0;
|
|
}
|
|
|
|
|
|
float2 numDenum = data.xy * x + data.zw;
|
|
return numDenum.x / numDenum.y + endAdd;
|
|
}
|
|
|
|
|
|
fixed4 frag(v2f i):COLOR
|
|
{
|
|
float2 UV[4];
|
|
|
|
UV[0] = i.uv + float2(-1.0 * _OffsetInfos.x, -1.0 * _OffsetInfos.y);
|
|
UV[1] = i.uv + float2( 1.0 * _OffsetInfos.x, -1.0 * _OffsetInfos.y);
|
|
UV[2] = i.uv + float2(-1.0 * _OffsetInfos.x, 1.0 * _OffsetInfos.y);
|
|
UV[3] = i.uv + float2( 1.0 * _OffsetInfos.x, 1.0 * _OffsetInfos.y);
|
|
|
|
fixed4 Sample[4];
|
|
|
|
for(int j = 0; j < 4; ++j)
|
|
{
|
|
Sample[j] = tex2D(_MainTex, UV[j]);
|
|
}
|
|
|
|
half4 color = (Sample[0] + Sample[1] + Sample[2] + Sample[3]) * 1.0/4;
|
|
|
|
half intensity = ComputeLuma(color);
|
|
|
|
|
|
|
|
half bloomIntensity = intensity/max(1.0+intensity*_CurveExposure,0.01);
|
|
|
|
bloomIntensity = Map(bloomIntensity) * _MaxValue;
|
|
|
|
return clamp(color * bloomIntensity/intensity,0,65000);
|
|
}
|
|
|
|
ENDCG
|
|
}
|
|
|
|
Pass // #6 Low Gaussian Filmic Curve
|
|
{
|
|
ZTest Always Cull Off ZWrite Off
|
|
Fog { Mode off }
|
|
|
|
CGPROGRAM
|
|
|
|
#pragma vertex vert_img
|
|
#pragma fragment frag
|
|
#pragma fragmentoption ARB_precision_hint_fastest
|
|
#include "UnityCG.cginc"
|
|
|
|
// Curve mapping
|
|
half4 _Toe;
|
|
half4 _Shoulder;
|
|
half _K;
|
|
half _Crossover;
|
|
float Map(half x)
|
|
{
|
|
float4 data;
|
|
float endAdd;
|
|
|
|
if (x > _Crossover)
|
|
{
|
|
data = _Shoulder;
|
|
endAdd = _K;
|
|
}
|
|
else
|
|
{
|
|
data = _Toe;
|
|
endAdd = 0;
|
|
}
|
|
|
|
|
|
float2 numDenum = data.xy * x + data.zw;
|
|
return numDenum.x / numDenum.y + endAdd;
|
|
}
|
|
|
|
fixed4 frag(v2f i):COLOR
|
|
{
|
|
half4 color = half4 (0,0,0,0);
|
|
|
|
float Scale = 9;
|
|
|
|
float2 gUV = i.uv;
|
|
float Offset = 0;
|
|
|
|
color += 0.4005 * tex2D (_MainTex, gUV);
|
|
color += 0.3294 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 1.0);
|
|
color += 0.3294 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 1.0);
|
|
color += 0.1833 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 2.0);
|
|
color += 0.1833 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 2.0);
|
|
color += 0.0691 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 3.0);
|
|
color += 0.0691 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 3.0);
|
|
color += 0.0175 * tex2D (_MainTex, gUV + _OffsetInfos.xy * 4.0);
|
|
color += 0.0175 * tex2D (_MainTex, gUV - _OffsetInfos.xy * 4.0);
|
|
|
|
|
|
|
|
|
|
half intensity = dot(color, half3(0.3,0.3,0.3));
|
|
half bloomIntensity = Map(intensity);
|
|
|
|
return color * bloomIntensity/intensity;
|
|
}
|
|
|
|
ENDCG
|
|
}
|
|
|
|
Pass // #7 Simple Blur
|
|
{
|
|
ZTest Always Cull Off ZWrite Off
|
|
Fog { Mode off }
|
|
|
|
CGPROGRAM
|
|
|
|
#pragma vertex vert_img
|
|
#pragma fragment frag
|
|
#pragma fragmentoption ARB_precision_hint_fastest
|
|
#include "UnityCG.cginc"
|
|
|
|
|
|
fixed4 frag(v2f i):COLOR
|
|
{
|
|
|
|
|
|
float2 UV[3];
|
|
|
|
UV[0] = i.uv;
|
|
UV[1] = i.uv + 1.5*_OffsetInfos;
|
|
UV[2] = i.uv - 1.5*_OffsetInfos;
|
|
//UV[2] = i.uv + 2*_OffsetInfos;
|
|
//UV[3] = i.uv - 2*_OffsetInfos;
|
|
|
|
|
|
fixed4 Sample[3];
|
|
|
|
for(int j = 0; j < 3; ++j)
|
|
{
|
|
Sample[j] = tex2D(_MainTex, UV[j]);
|
|
}
|
|
|
|
return (Sample[0] + Sample[1] + Sample[2]) * 1.0/3;
|
|
}
|
|
|
|
ENDCG
|
|
}
|
|
|
|
Pass // #8 Gaussian Sampling Small
|
|
{
|
|
CGPROGRAM
|
|
|
|
#pragma fragmentoption ARB_precision_hint_fastest
|
|
#pragma exclude_renderers flash
|
|
#pragma vertex vert_img
|
|
#pragma fragment fragGaussBlurLow
|
|
|
|
ENDCG
|
|
}
|
|
|
|
Pass // #9 Gaussian Sampling High
|
|
{
|
|
CGPROGRAM
|
|
|
|
#pragma fragmentoption ARB_precision_hint_fastest
|
|
#pragma exclude_renderers flash
|
|
#pragma vertex vert_img
|
|
#pragma fragment fragGaussBlurHigh
|
|
|
|
ENDCG
|
|
}
|
|
|
|
Pass // #10 Gaussian Sampling Higher
|
|
{
|
|
CGPROGRAM
|
|
|
|
#pragma fragmentoption ARB_precision_hint_fastest
|
|
#pragma exclude_renderers flash
|
|
#pragma vertex vert_img
|
|
#pragma fragment fragGaussBlurHigher
|
|
|
|
ENDCG
|
|
}
|
|
|
|
Pass // #11 Temporal Stable Downsampling
|
|
{
|
|
ZTest Always Cull Off ZWrite Off
|
|
Fog { Mode off }
|
|
|
|
CGPROGRAM
|
|
|
|
#pragma vertex vert_img
|
|
#pragma fragment frag
|
|
#pragma fragmentoption ARB_precision_hint_fastest
|
|
#include "UnityCG.cginc"
|
|
float2 _MainTex_TexelSize;
|
|
|
|
fixed4 frag(v2f i):COLOR
|
|
{
|
|
float4 offsets = _MainTex_TexelSize.xyxy * float4(-1.0, -1.0, +1.0, +1.0);
|
|
half3 c0 = tex2D(_MainTex, i.uv + offsets.xy);
|
|
half3 c1 = tex2D(_MainTex, i.uv + offsets.zy);
|
|
half3 c2 = tex2D(_MainTex, i.uv + offsets.xw);
|
|
half3 c3 = tex2D(_MainTex, i.uv + offsets.zw);
|
|
half w0 = 1.0 / (ComputeLuma(c0) + 1.0);
|
|
half w1 = 1.0 / (ComputeLuma(c1) + 1.0);
|
|
half w2 = 1.0 / (ComputeLuma(c2) + 1.0);
|
|
half w3 = 1.0 / (ComputeLuma(c3) + 1.0);
|
|
half div = 1.0 / max(w0 + w1 + w2 + w3, 0.01);
|
|
float3 color = (c0 * w0 + c1 * w1 + c2 * w2 + c3 * w3) * div;
|
|
|
|
return float4(clamp(color,0,65000), 1);
|
|
|
|
//half intensity = dot(color, half3(0.3,0.3,0.3));
|
|
|
|
//half bloomIntensity = intensity/max(1.0+intensity*_CurveExposure,0.01);
|
|
|
|
//return float4(clamp(color * bloomIntensity/intensity,0,65000), 1);
|
|
}
|
|
|
|
ENDCG
|
|
}
|
|
|
|
|
|
Pass // #12 Temporal Stable Downsampling with filmic curve
|
|
{
|
|
ZTest Always Cull Off ZWrite Off
|
|
Fog { Mode off }
|
|
|
|
CGPROGRAM
|
|
|
|
#pragma vertex vert_img
|
|
#pragma fragment frag
|
|
#pragma fragmentoption ARB_precision_hint_fastest
|
|
#include "UnityCG.cginc"
|
|
float2 _MainTex_TexelSize;
|
|
|
|
// Curve mapping
|
|
half4 _Toe;
|
|
half4 _Shoulder;
|
|
half _K;
|
|
half _Crossover;
|
|
half _MaxValue;
|
|
half _CurveExposure;
|
|
float Map(half x)
|
|
{
|
|
float4 data;
|
|
float endAdd;
|
|
|
|
if (x > _Crossover)
|
|
{
|
|
data = _Shoulder;
|
|
endAdd = _K;
|
|
}
|
|
else
|
|
{
|
|
data = _Toe;
|
|
endAdd = 0;
|
|
}
|
|
|
|
|
|
float2 numDenum = data.xy * x + data.zw;
|
|
return numDenum.x / numDenum.y + endAdd;
|
|
}
|
|
|
|
fixed4 frag(v2f i):COLOR
|
|
{
|
|
float4 offsets = _MainTex_TexelSize.xyxy * float4(-1.0, -1.0, +1.0, +1.0);
|
|
half3 c0 = tex2D(_MainTex, i.uv + offsets.xy);
|
|
half3 c1 = tex2D(_MainTex, i.uv + offsets.zy);
|
|
half3 c2 = tex2D(_MainTex, i.uv + offsets.xw);
|
|
half3 c3 = tex2D(_MainTex, i.uv + offsets.zw);
|
|
half w0 = 1.0 / (ComputeLuma(c0) + 1.0);
|
|
half w1 = 1.0 / (ComputeLuma(c1) + 1.0);
|
|
half w2 = 1.0 / (ComputeLuma(c2) + 1.0);
|
|
half w3 = 1.0 / (ComputeLuma(c3) + 1.0);
|
|
half div = 1.0 / max(w0 + w1 + w2 + w3, 0.01);
|
|
float3 color = (c0 * w0 + c1 * w1 + c2 * w2 + c3 * w3) * div;
|
|
|
|
half intensity = ComputeLuma(color);
|
|
|
|
half bloomIntensity = intensity/max(1.0+intensity*_CurveExposure,0.01);
|
|
bloomIntensity = Map(bloomIntensity) * _MaxValue;
|
|
|
|
return float4(clamp(color * bloomIntensity/intensity,0,65000), 1);
|
|
}
|
|
|
|
ENDCG
|
|
}
|
|
|
|
}
|
|
|
|
FallBack off
|
|
}
|