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27 lines
1018 B
HLSL

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