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#ifndef COMMON_SHADOW_CASTER_PASS_URP_INCLUDED
#define COMMON_SHADOW_CASTER_PASS_URP_INCLUDED
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Shadows.hlsl"
float3 _LightDirection;
struct AttributesSpine
{
float4 positionOS : POSITION;
float3 normalOS : NORMAL;
float4 vertexColor : COLOR;
float2 texcoord : TEXCOORD0;
UNITY_VERTEX_INPUT_INSTANCE_ID
};
struct VaryingsSpine
{
float4 positionCS : SV_POSITION;
float4 texcoordAndAlpha: TEXCOORD0;
};
float4 GetShadowPositionHClip(AttributesSpine input)
{
float3 positionWS = TransformObjectToWorld(input.positionOS.xyz);
float3 normalWS = TransformObjectToWorldNormal(input.normalOS);
float4 positionCS = TransformWorldToHClip(ApplyShadowBias(positionWS, normalWS, _LightDirection));
#if UNITY_REVERSED_Z
positionCS.z = min(positionCS.z, positionCS.w * UNITY_NEAR_CLIP_VALUE);
#else
positionCS.z = max(positionCS.z, positionCS.w * UNITY_NEAR_CLIP_VALUE);
#endif
return positionCS;
}
#endif