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| Shader "HHF/Tutorial/Shadow"
{
SubShader
{
Tags { "RenderType"="Opaque" "RenderPipeline" = "UniversalPipeline"}
pass
{
HLSLPROGRAM
#pragma prefer_hlslcc gles
#pragma exclude_renderers d3d11_9x
#pragma vertex vert
#pragma fragment frag
#pragma multi_compile _ _MAIN_LIGHT_SHADOWS
#pragma multi_compile _ _SHADOWS_SOFT
#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Color.hlsl"
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
#include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
struct appdata
{
float4 vertex:POSITION;
half3 normal:NORMAL;
};
struct v2f
{
float4 positionCS:SV_POSITION;
float4 positionWS:TEXCOORD0;
#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR)
float4 shadowCoord : TEXCOORD1;
#endif
};
v2f vert(appdata v)
{
v2f o = (v2f)0;
o.positionWS = mul(unity_ObjectToWorld, v.vertex);
o.positionCS = mul(UNITY_MATRIX_VP, o.positionWS);
#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR)
VertexPositionInputs vertexInput = GetVertexPositionInputs(v.vertex.xyz);
o.shadowCoord = GetShadowCoord(vertexInput);
#endif
return o;
}
half4 frag(v2f i):SV_TARGET
{
half4 c = 0;
InputData inputData;
inputData.positionWS = i.positionWS.xyz;
#if defined(REQUIRES_VERTEX_SHADOW_COORD_INTERPOLATOR)
inputData.shadowCoord = i.shadowCoord;
#elif defined(MAIN_LIGHT_CALCULATE_SHADOWS)
inputData.shadowCoord = TransformWorldToShadowCoord(inputData.positionWS);
#else
inputData.shadowCoord = float4(0, 0, 0, 0);
#endif
Light mainLight = GetMainLight(inputData.shadowCoord);
half3 attenuatedLightColor = mainLight.color * (mainLight.distanceAttenuation * mainLight.shadowAttenuation);
c.rgb += attenuatedLightColor;
return c;
}
ENDHLSL
}
Pass
{
Name "ShadowCaster"
Tags{"LightMode" = "ShadowCaster"}
ZWrite On
ZTest LEqual
ColorMask 0
Cull[_Cull]
HLSLPROGRAM
#pragma exclude_renderers gles gles3 glcore
#pragma target 4.5
#pragma shader_feature_local_fragment _ALPHATEST_ON
#pragma shader_feature_local_fragment _GLOSSINESS_FROM_BASE_ALPHA
#pragma multi_compile_instancing
#pragma multi_compile _ DOTS_INSTANCING_ON
#pragma vertex ShadowPassVertex
#pragma fragment ShadowPassFragment
#include "Packages/com.unity.render-pipelines.universal/Shaders/SimpleLitInput.hlsl"
#include "Packages/com.unity.render-pipelines.universal/Shaders/ShadowCasterPass.hlsl"
ENDHLSL
}
}
SubShader
{
Tags { "RenderType"="Opaque" "LightMode"="ForwardBase" }
pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#pragma multi_compile_fwdbase
#include "UnityCG.cginc"
#include "Lighting.cginc"
#include "AutoLight.cginc"
struct appdata
{
float4 vertex:POSITION;
half3 normal:NORMAL;
};
struct v2f
{
float4 pos:SV_POSITION;
float4 worldPos:TEXCOORD0;
float3 normalWS : TEXCOORD1;
UNITY_SHADOW_COORDS(3)
};
v2f vert(appdata v)
{
v2f o = (v2f)0;
o.worldPos = mul(unity_ObjectToWorld, v.vertex);
o.pos = mul(UNITY_MATRIX_VP, o.worldPos);
TRANSFER_SHADOW(o)
return o;
}
fixed4 frag(v2f i):SV_TARGET
{
fixed4 c = 0;
UNITY_LIGHT_ATTENUATION(atten, i, i.worldPos)
c += atten;
return c;
}
ENDCG
}
pass
{
Tags {"LightMode" = "ShadowCaster"}
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#pragma multi_compile_shadowcaster
#include "UnityCG.cginc"
struct appdata
{
float4 vertex:POSITION;
half3 normal:NORMAL;
};
struct v2f
{
V2F_SHADOW_CASTER;
};
v2f vert(appdata v)
{
v2f o = (v2f)0;
TRANSFER_SHADOW_CASTER_NORMALOFFSET(o)
return o;
}
fixed4 frag(v2f i):SV_TARGET
{
SHADOW_CASTER_FRAGMENT(i)
}
ENDCG
}
}
}
|
