#ifndef SPRITE_SHADOWS_INCLUDED
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#define SPRITE_SHADOWS_INCLUDED
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#include "UnityCG.cginc"
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////////////////////////////////////////
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// Vertex structs
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//
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struct vertexInput
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{
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float4 vertex : POSITION;
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float4 texcoord : TEXCOORD0;
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};
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struct vertexOutput
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{
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V2F_SHADOW_CASTER;
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float4 texcoord : TEXCOORD1;
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};
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////////////////////////////////////////
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// Vertex program
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//
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uniform sampler2D _MainTex;
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uniform fixed4 _MainTex_ST;
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vertexOutput vert(vertexInput v)
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{
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vertexOutput o;
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TRANSFER_SHADOW_CASTER(o)
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o.texcoord = float4(TRANSFORM_TEX(v.texcoord, _MainTex), 0, 0);
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return o;
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}
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////////////////////////////////////////
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// Fragment program
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//
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uniform fixed _ShadowAlphaCutoff;
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fixed4 frag(vertexOutput IN) : COLOR
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{
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fixed4 texureColor = tex2D(_MainTex, IN.texcoord.xy);
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clip(texureColor.a - _ShadowAlphaCutoff);
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SHADOW_CASTER_FRAGMENT(IN)
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}
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#endif // SPRITE_SHADOWS_INCLUDED
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