// Upgrade NOTE: replaced '_Projector' with 'unity_Projector'
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// Upgrade NOTE: replaced '_ProjectorClip' with 'unity_ProjectorClip'
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// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
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Shader "DynamicShadowProjector/Projector/Mipmapped Shadow" {
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Properties {
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_ShadowTex ("Cookie", 2D) = "gray" {}
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_ClipScale ("Near Clip Sharpness", Float) = 100
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_Alpha ("Shadow Darkness", Range (0, 1)) = 1.0
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_Ambient ("Ambient", Range (0, 1)) = 0.3
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_DSPMipLevel ("Max Mip Level", float) = 4.0
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_Offset ("Offset", Range (-1, -10)) = -1.0
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}
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Subshader {
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Tags {"Queue"="Transparent-1"}
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Pass {
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Name "PASS"
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ZWrite Off
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ColorMask RGB
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Blend DstColor Zero
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Offset -1, [_Offset]
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CGPROGRAM
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#pragma vertex DSPProjectorVertMipmap
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#pragma fragment DSPProjectorFragMipmap
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#pragma multi_compile_fog
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#pragma target 3.0
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#include "UnityCG.cginc"
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#include "DSPProjector.cginc"
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uniform half _DSPMipLevel;
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DSP_V2F_PROJECTOR DSPProjectorVertMipmap(float4 vertex : POSITION, float3 normal : NORMAL)
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{
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DSP_V2F_PROJECTOR o;
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o.pos = UnityObjectToClipPos (vertex);
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o.uvShadow = mul (unity_Projector, vertex);
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float z = mul(unity_ProjectorClip, vertex).x;
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o.uvShadow.z = _DSPMipLevel * z;
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o.alpha.x = _ClipScale * z;
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o.alpha.y = DSPCalculateDiffuseShadowAlpha(vertex, normal);
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UNITY_TRANSFER_FOG(o, o.pos);
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return o;
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}
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fixed4 DSPGetMipmappedShadowTex(DSP_V2F_PROJECTOR i)
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{
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float3 uv;
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uv.xy = saturate(i.uvShadow.xy/i.uvShadow.w);
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uv.z = i.uvShadow.z;
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return tex2Dlod(_ShadowTex, uv.xyzz);
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}
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fixed4 DSPProjectorFragMipmap(DSP_V2F_PROJECTOR i) : SV_Target
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{
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fixed4 shadow = DSPGetMipmappedShadowTex(i);
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return DSPCalculateFinalShadowColor(shadow, i);
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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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