#line 1 "complex-collectshadows-in.txt" 

struct v2f {
	float4 pos : POSITION;
	float2 uv : TEXCOORD0;
	float3 ray : TEXCOORD1;
};

sampler2D _CameraDepthTexture;
float4 unity_LightmapFade;

float4x4 _View2Shadow;
float4x4 _View2Shadow1;
float4x4 _View2Shadow2;
float4x4 _View2Shadow3;
float4 _LightSplitsNear;
float4 _LightSplitsFar;
float4 _LightShadowData;
sampler2D _ShadowMapTexture;

uniform float4 _ZBufferParams;

inline float Linear01Depth( float z )
{
	return 1.0 / (_ZBufferParams.x * z + _ZBufferParams.y);
}

inline float2 EncodeFloatRG( float v )
{
	float2 kEncodeMul = float2(1.0, 255.0);
	float kEncodeBit = 1.0/255.0;
	float2 enc = kEncodeMul * v;
	enc = frac (enc);
	enc.x -= enc.y * kEncodeBit;
	return enc;
}

inline half unitySampleShadow (float4 eyePos)
{
	float3 sc0 = mul (_View2Shadow, eyePos).xyz;
	float3 sc1 = mul (_View2Shadow1, eyePos).xyz;
	float3 sc2 = mul (_View2Shadow2, eyePos).xyz;
	float3 sc3 = mul (_View2Shadow3, eyePos).xyz;
	
	float z = eyePos.z;
	
	float4 near = float4( z >= _LightSplitsNear );
	float4 far = float4( z < _LightSplitsFar );
	float4 weights = near * far;
	float4 coord = float4(sc0 * weights[0] + sc1 * weights[1] + sc2 * weights[2] + sc3 * weights[3], 1);
	half shadow = tex2D (_ShadowMapTexture, coord.xy).r < coord.z ? _LightShadowData.r : 1.0;
	return shadow;
}

half4 main (v2f i) : COLOR
{
	float depth = tex2D (_CameraDepthTexture, i.uv).r;
	depth = Linear01Depth (depth);
	float4 vpos = float4(i.ray * depth,1);
	half shadow = unitySampleShadow (vpos);
	float4 res;
	res.x = shadow;
	res.y = 1.0;
	res.zw = EncodeFloatRG (1 - depth);
	return res;	
}