// Do not edit.
import { ShaderStore } from "../../Engines/shaderStore.js";
const name = "pbrDirectLightingSetupFunctions";
const shader = `struct preLightingInfo
{vec3 lightOffset;float lightDistanceSquared;float lightDistance;float attenuation;vec3 L;vec3 H;float NdotV;float NdotLUnclamped;float NdotL;float VdotH;float roughness;
#ifdef IRIDESCENCE
float iridescenceIntensity;
#endif
};preLightingInfo computePointAndSpotPreLightingInfo(vec4 lightData,vec3 V,vec3 N) {preLightingInfo result;result.lightOffset=lightData.xyz-vPositionW;result.lightDistanceSquared=dot(result.lightOffset,result.lightOffset);result.lightDistance=sqrt(result.lightDistanceSquared);result.L=normalize(result.lightOffset);result.H=normalize(V+result.L);result.VdotH=saturate(dot(V,result.H));result.NdotLUnclamped=dot(N,result.L);result.NdotL=saturateEps(result.NdotLUnclamped);return result;}
preLightingInfo computeDirectionalPreLightingInfo(vec4 lightData,vec3 V,vec3 N) {preLightingInfo result;result.lightDistance=length(-lightData.xyz);result.L=normalize(-lightData.xyz);result.H=normalize(V+result.L);result.VdotH=saturate(dot(V,result.H));result.NdotLUnclamped=dot(N,result.L);result.NdotL=saturateEps(result.NdotLUnclamped);return result;}
preLightingInfo computeHemisphericPreLightingInfo(vec4 lightData,vec3 V,vec3 N) {preLightingInfo result;result.NdotL=dot(N,lightData.xyz)*0.5+0.5;result.NdotL=saturateEps(result.NdotL);result.NdotLUnclamped=result.NdotL;
#ifdef SPECULARTERM
result.L=normalize(lightData.xyz);result.H=normalize(V+result.L);result.VdotH=saturate(dot(V,result.H));
#endif
return result;}`;
// Sideeffect
ShaderStore.IncludesShadersStore[name] = shader;
/** @internal */
export const pbrDirectLightingSetupFunctions = { name, shader };
//# sourceMappingURL=pbrDirectLightingSetupFunctions.js.map