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27 lines
1018 B
HLSL
27 lines
1018 B
HLSL
#ifndef MAIN_LIGHT_INCLUDED
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#define MAIN_LIGHT_INCLUDED
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void MainLight_float(float3 WorldPosition, out float3 Direction, out float3 Color, out float ShadowAttenuation)
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{
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#if defined(SHADERGRAPH_PREVIEW)
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Direction = float3(0.5,0.5,0);
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Color = 1;
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ShadowAttenuation = 1;
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#else
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float4 shadowCoord = TransformWorldToShadowCoord(WorldPosition);
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Light mainLight = GetMainLight(shadowCoord);
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Direction = mainLight.direction;
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Color = mainLight.color;
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#if !defined(_MAIN_LIGHT_SHADOWS) || defined(_RECIEVE_SHADOWS_OFF)
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ShadowAttenuation = 1.0h;
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#else
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ShadowSamplingData shadowSamplingData = GetMainLightShadowSamplingData();
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float shadowStrength = GetMainLightShadowStrength();
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ShadowAttentuation = SampleShadowmap(shadowCoord, TEXTURE2D_ARGS(_MainLightShadowmapTexture,
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sampler_MainLightShadowmapTexture), shadowSamplingData, shadowStrength, false);
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#endif
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#endif
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}
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#endif |