t1 / TFDContents / Assets / Resources / BlurShader4.shader @ 9
이력 | 보기 | 이력해설 | 다운로드 (4.91 KB)
| 1 | 3 | KTH | // Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)' |
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| 2 | |||
| 3 | |||
| 4 | Shader "Custom/BlurShader4" {
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| 5 | Properties {
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| 6 | _MainTex ("Base (RGB)", 2D) = "white" {}
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| 7 | } |
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| 8 | |||
| 9 | CGINCLUDE |
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| 10 | |||
| 11 | #include "UnityCG.cginc" |
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| 12 | |||
| 13 | sampler2D _MainTex; |
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| 14 | |||
| 15 | uniform half4 _MainTex_TexelSize; |
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| 16 | uniform half4 _Parameter; |
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| 17 | |||
| 18 | struct v2f_tap |
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| 19 | {
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| 20 | float4 pos : SV_POSITION; |
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| 21 | half2 uv20 : TEXCOORD0; |
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| 22 | half2 uv21 : TEXCOORD1; |
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| 23 | half2 uv22 : TEXCOORD2; |
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| 24 | half2 uv23 : TEXCOORD3; |
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| 25 | }; |
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| 26 | |||
| 27 | v2f_tap vert4Tap ( appdata_img v ) |
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| 28 | {
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| 29 | v2f_tap o; |
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| 30 | |||
| 31 | o.pos = UnityObjectToClipPos (v.vertex); |
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| 32 | o.uv20 = v.texcoord + _MainTex_TexelSize.xy; |
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| 33 | o.uv21 = v.texcoord + _MainTex_TexelSize.xy * half2(-0.5h,-0.5h); |
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| 34 | o.uv22 = v.texcoord + _MainTex_TexelSize.xy * half2(0.5h,-0.5h); |
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| 35 | o.uv23 = v.texcoord + _MainTex_TexelSize.xy * half2(-0.5h,0.5h); |
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| 36 | |||
| 37 | return o; |
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| 38 | } |
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| 39 | |||
| 40 | fixed4 fragDownsample ( v2f_tap i ) : SV_Target |
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| 41 | {
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| 42 | fixed4 color = tex2D (_MainTex, i.uv20); |
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| 43 | color += tex2D (_MainTex, i.uv21); |
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| 44 | color += tex2D (_MainTex, i.uv22); |
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| 45 | color += tex2D (_MainTex, i.uv23); |
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| 46 | return color / 4; |
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| 47 | } |
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| 48 | |||
| 49 | // weight curves |
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| 50 | |||
| 51 | static const half curve[7] = { 0.0205, 0.0855, 0.232, 0.324, 0.232, 0.0855, 0.0205 }; // gauss'ish blur weights
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| 52 | |||
| 53 | static const half4 curve4[7] = { half4(0.0205,0.0205,0.0205,0), half4(0.0855,0.0855,0.0855,0), half4(0.232,0.232,0.232,0),
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| 54 | half4(0.324,0.324,0.324,1), half4(0.232,0.232,0.232,0), half4(0.0855,0.0855,0.0855,0), half4(0.0205,0.0205,0.0205,0) }; |
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| 55 | |||
| 56 | struct v2f_withBlurCoords8 |
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| 57 | {
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| 58 | float4 pos : SV_POSITION; |
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| 59 | half4 uv : TEXCOORD0; |
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| 60 | half2 offs : TEXCOORD1; |
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| 61 | }; |
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| 62 | |||
| 63 | struct v2f_withBlurCoordsSGX |
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| 64 | {
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| 65 | float4 pos : SV_POSITION; |
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| 66 | half2 uv : TEXCOORD0; |
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| 67 | half4 offs[3] : TEXCOORD1; |
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| 68 | }; |
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| 69 | |||
| 70 | v2f_withBlurCoords8 vertBlurHorizontal (appdata_img v) |
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| 71 | {
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| 72 | v2f_withBlurCoords8 o; |
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| 73 | o.pos = UnityObjectToClipPos (v.vertex); |
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| 74 | |||
| 75 | o.uv = half4(v.texcoord.xy,1,1); |
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| 76 | o.offs = _MainTex_TexelSize.xy * half2(1.0, 0.0) * _Parameter.x; |
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| 77 | |||
| 78 | return o; |
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| 79 | } |
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| 80 | |||
| 81 | v2f_withBlurCoords8 vertBlurVertical (appdata_img v) |
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| 82 | {
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| 83 | v2f_withBlurCoords8 o; |
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| 84 | o.pos = UnityObjectToClipPos (v.vertex); |
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| 85 | |||
| 86 | o.uv = half4(v.texcoord.xy,1,1); |
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| 87 | o.offs = _MainTex_TexelSize.xy * half2(0.0, 1.0) * _Parameter.x; |
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| 88 | |||
| 89 | return o; |
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| 90 | } |
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| 91 | |||
| 92 | half4 fragBlur8 ( v2f_withBlurCoords8 i ) : SV_Target |
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| 93 | {
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| 94 | half2 uv = i.uv.xy; |
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| 95 | half2 netFilterWidth = i.offs; |
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| 96 | half2 coords = uv - netFilterWidth * 3.0; |
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| 97 | |||
| 98 | half4 color = 0; |
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| 99 | for( int l = 0; l < 7; l++ ) |
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| 100 | {
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| 101 | half4 tap = tex2D(_MainTex, coords); |
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| 102 | color += tap * curve4[l]; |
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| 103 | coords += netFilterWidth; |
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| 104 | } |
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| 105 | return color; |
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| 106 | } |
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| 107 | |||
| 108 | |||
| 109 | v2f_withBlurCoordsSGX vertBlurHorizontalSGX (appdata_img v) |
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| 110 | {
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| 111 | v2f_withBlurCoordsSGX o; |
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| 112 | o.pos = UnityObjectToClipPos (v.vertex); |
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| 113 | |||
| 114 | o.uv = v.texcoord.xy; |
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| 115 | half2 netFilterWidth = _MainTex_TexelSize.xy * half2(1.0, 0.0) * _Parameter.x; |
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| 116 | half4 coords = -netFilterWidth.xyxy * 3.0; |
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| 117 | |||
| 118 | o.offs[0] = v.texcoord.xyxy + coords * half4(1.0h,1.0h,-1.0h,-1.0h); |
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| 119 | coords += netFilterWidth.xyxy; |
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| 120 | o.offs[1] = v.texcoord.xyxy + coords * half4(1.0h,1.0h,-1.0h,-1.0h); |
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| 121 | coords += netFilterWidth.xyxy; |
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| 122 | o.offs[2] = v.texcoord.xyxy + coords * half4(1.0h,1.0h,-1.0h,-1.0h); |
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| 123 | |||
| 124 | return o; |
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| 125 | } |
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| 126 | |||
| 127 | v2f_withBlurCoordsSGX vertBlurVerticalSGX (appdata_img v) |
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| 128 | {
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| 129 | v2f_withBlurCoordsSGX o; |
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| 130 | o.pos = UnityObjectToClipPos (v.vertex); |
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| 131 | |||
| 132 | o.uv = half4(v.texcoord.xy,1,1); |
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| 133 | half2 netFilterWidth = _MainTex_TexelSize.xy * half2(0.0, 1.0) * _Parameter.x; |
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| 134 | half4 coords = -netFilterWidth.xyxy * 3.0; |
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| 135 | |||
| 136 | o.offs[0] = v.texcoord.xyxy + coords * half4(1.0h,1.0h,-1.0h,-1.0h); |
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| 137 | coords += netFilterWidth.xyxy; |
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| 138 | o.offs[1] = v.texcoord.xyxy + coords * half4(1.0h,1.0h,-1.0h,-1.0h); |
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| 139 | coords += netFilterWidth.xyxy; |
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| 140 | o.offs[2] = v.texcoord.xyxy + coords * half4(1.0h,1.0h,-1.0h,-1.0h); |
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| 141 | |||
| 142 | return o; |
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| 143 | } |
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| 144 | |||
| 145 | half4 fragBlurSGX ( v2f_withBlurCoordsSGX i ) : SV_Target |
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| 146 | {
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| 147 | half2 uv = i.uv.xy; |
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| 148 | |||
| 149 | half4 color = tex2D(_MainTex, i.uv) * curve4[3]; |
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| 150 | |||
| 151 | for( int l = 0; l < 3; l++ ) |
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| 152 | {
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| 153 | half4 tapA = tex2D(_MainTex, i.offs[l].xy); |
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| 154 | half4 tapB = tex2D(_MainTex, i.offs[l].zw); |
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| 155 | color += (tapA + tapB) * curve4[l]; |
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| 156 | } |
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| 157 | |||
| 158 | return color; |
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| 159 | |||
| 160 | } |
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| 161 | |||
| 162 | ENDCG |
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| 163 | |||
| 164 | SubShader {
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| 165 | ZTest Off Cull Off ZWrite Off Blend Off |
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| 166 | |||
| 167 | // 0 |
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| 168 | Pass {
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| 169 | |||
| 170 | CGPROGRAM |
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| 171 | |||
| 172 | #pragma vertex vert4Tap |
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| 173 | #pragma fragment fragDownsample |
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| 174 | |||
| 175 | ENDCG |
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| 176 | |||
| 177 | } |
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| 178 | |||
| 179 | // 1 |
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| 180 | Pass {
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| 181 | ZTest Always |
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| 182 | Cull Off |
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| 183 | |||
| 184 | CGPROGRAM |
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| 185 | |||
| 186 | #pragma vertex vertBlurVertical |
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| 187 | #pragma fragment fragBlur8 |
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| 188 | |||
| 189 | ENDCG |
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| 190 | } |
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| 191 | |||
| 192 | // 2 |
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| 193 | Pass {
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| 194 | ZTest Always |
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| 195 | Cull Off |
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| 196 | |||
| 197 | CGPROGRAM |
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| 198 | |||
| 199 | #pragma vertex vertBlurHorizontal |
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| 200 | #pragma fragment fragBlur8 |
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| 201 | |||
| 202 | ENDCG |
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| 203 | } |
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| 204 | |||
| 205 | // alternate blur |
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| 206 | // 3 |
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| 207 | Pass {
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| 208 | ZTest Always |
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| 209 | Cull Off |
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| 210 | |||
| 211 | CGPROGRAM |
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| 212 | |||
| 213 | #pragma vertex vertBlurVerticalSGX |
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| 214 | #pragma fragment fragBlurSGX |
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| 215 | |||
| 216 | ENDCG |
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| 217 | } |
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| 218 | |||
| 219 | // 4 |
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| 220 | Pass {
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| 221 | ZTest Always |
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| 222 | Cull Off |
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| 223 | |||
| 224 | CGPROGRAM |
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| 225 | |||
| 226 | #pragma vertex vertBlurHorizontalSGX |
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| 227 | #pragma fragment fragBlurSGX |
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| 228 | |||
| 229 | ENDCG |
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| 230 | } |
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| 231 | } |
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| 232 | |||
| 233 | FallBack Off |
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| 234 | } |