78 lines
2.2 KiB
Plaintext
78 lines
2.2 KiB
Plaintext
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// 摄像机深度模糊
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Shader "Zhanyou/Mobile/CameraDepthBlur"
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{
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Properties {
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[NoScaleOffset]_MainTex ("Texture", 2D) = "white" {}
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_Offsets("Offset", Vector) = (0.1,0.1,0,0)
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}
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SubShader {
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Tags {
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"IgnoreProjector"="True"
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"Queue"="Overlay"
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// 防止Shader Replace渲染这个东西
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"RenderType"="NoReplace"
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}
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Pass {
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Lighting Off
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ZWrite Off
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityCG.cginc"
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uniform sampler2D _MainTex;
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uniform sampler2D _CameraDepthTexture;
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uniform float4 _Offsets;
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struct appdata
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{
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float4 vertex : POSITION;
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float2 texcoord : TEXCOORD0;
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};
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struct v2f
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{
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float2 uv : TEXCOORD0;
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float4 vertex : SV_POSITION;
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};
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half4 blur(sampler2D mainTex, float2 uv, float blurFactor)
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{
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float4 uv01 = uv.xyxy + blurFactor * _Offsets.xyxy * half4(1,1, -1,-1);
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float4 uv23 = uv.xyxy + blurFactor * _Offsets.xyxy * half4(1,1, -1,-1) * 2.0;
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float4 uv45 = uv.xyxy + blurFactor * _Offsets.xyxy * half4(1,1, -1,-1) * 3.0;
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float4 uv67 = uv.xyxy + blurFactor * _Offsets.xyxy * half4(1,1, -1,-1) * 4.0;
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half4 color = half4(0, 0, 0, 0);
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color += 0.225 * tex2D (mainTex, uv);
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color += 0.150 * tex2D (mainTex, uv01.xy);
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color += 0.150 * tex2D (mainTex, uv01.zw);
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color += 0.110 * tex2D (mainTex, uv23.xy);
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color += 0.110 * tex2D (mainTex, uv23.zw);
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color += 0.075 * tex2D (mainTex, uv45.xy);
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color += 0.075 * tex2D (mainTex, uv45.zw);
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color += 0.0525 * tex2D (mainTex, uv67.xy);
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color += 0.0525 * tex2D (mainTex, uv67.zw);
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return color;
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}
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v2f vert (appdata v)
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{
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v2f o;
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o.vertex = UnityObjectToClipPos(v.vertex);
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o.uv = v.texcoord;
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return o;
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}
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fixed4 frag (v2f i) : SV_Target
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{
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//return tex2D(_MainTex, i.uv);
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float depth = UNITY_SAMPLE_DEPTH(tex2D(_CameraDepthTexture, i.uv));
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depth = Linear01Depth(depth);
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depth = clamp((depth - _Offsets.z) / (1 - _Offsets.z) * _Offsets.w, 0, 1);
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return blur(_MainTex, i.uv, depth);
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}
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ENDCG
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}
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}
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}
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