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Unity Shadergraph custom function node for main light data
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#ifndef MAINLIGHT_INCLUDED | |
#define MAINLIGHT_INCLUDED | |
void GetMainLightData_float(out half3 direction, out half3 color, out half distanceAttenuation, out half shadowAttenuation) | |
{ | |
#ifdef SHADERGRAPH_PREVIEW | |
// In Shader Graph Preview we will assume a default light direction and white color | |
direction = half3(-0.3, -0.8, 0.6); | |
color = half3(1, 1, 1); | |
distanceAttenuation = 1.0; | |
shadowAttenuation = 1.0; | |
#else | |
// Universal Render Pipeline | |
#if defined(UNIVERSAL_LIGHTING_INCLUDED) | |
// GetMainLight defined in Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl | |
Light mainLight = GetMainLight(); | |
direction = -mainLight.direction; | |
color = mainLight.color; | |
distanceAttenuation = mainLight.distanceAttenuation; | |
shadowAttenuation = mainLight.shadowAttenuation; | |
#elif defined(HD_LIGHTING_INCLUDED) | |
// ToDo: make it work for HDRP (check define above) | |
// Packages/com.unity.render-pipelines.high-definition/Runtime/Lighting/LightDefinition.cs.hlsl | |
// if (_DirectionalLightCount > 0) | |
// { | |
// DirectionalLightData light = _DirectionalLightDatas[0]; | |
// lightDir = -light.forward.xyz; | |
// color = light.color; | |
// ...... | |
#endif | |
#endif | |
} | |
#endif |
Hi, I'm getting this error. Do you have any idea why?
Shader error in 'hidden/preview/MainLightNodeCustomFunction_034dc8d0349e4af2abb4da742cca9b07': undeclared identifier 'MainLightNode_float' at line 155 (on d3d11)
Hi, I'm getting this error. Do you have any idea why?
Shader error in 'hidden/preview/MainLightNodeCustomFunction_034dc8d0349e4af2abb4da742cca9b07': undeclared identifier 'MainLightNode_float' at line 155 (on d3d11)
Be sure you set custom function node right.
_half
postfix is important and it should match Precision
in custom function node settings.
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Is there any way to get the main light intensity also?