//  Generated on <$_SCRIBE_DATE$>////  Created by Sam Gateau on 7/5/16.//  Copyright 2016 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// <@include ShadingModel.slh@> <@func declareLightingPoint(supportScattering)@> void evalLightingPoint(out vec3 diffuse, out vec3 specular, Light light,    vec4 fragLightDirLen, SurfaceData surface,    float metallic, vec3 fresnel, vec3 albedo, float shadow<@if supportScattering@>    , float scattering, vec4 midNormalCurvature, vec4 lowNormalCurvature<@endif@>    ) {        // Allright we re valid in the volume    float fragLightDistance = fragLightDirLen.w;    vec3 fragLightDir = fragLightDirLen.xyz;     updateSurfaceDataWithLight(surface, fragLightDir);     // Eval attenuation    float radialAttenuation = lightIrradiance_evalLightAttenuation(light.irradiance, fragLightDistance);    vec3 lightEnergy = radialAttenuation * shadow * getLightIrradiance(light);     // Eval shading    evalFragShading(diffuse, specular, metallic, fresnel, surface, albedo<@if supportScattering@>    ,scattering, midNormalCurvature, lowNormalCurvature<@endif@>    );     lightEnergy *= isPointEnabled();    diffuse *= lightEnergy * isDiffuseEnabled();    specular *= lightEnergy * isSpecularEnabled();     if (isShowLightContour() > 0.0) {        // Show edges        float edge = abs(2.0 * ((lightVolume_getRadius(light.volume) - fragLightDistance) / (0.1)) - 1.0);        float edgeCoord = exp2(-8.0 * edge * edge);        diffuse = mix(diffuse, vec3(edgeCoord * edgeCoord * getLightColor(light)), float(edge < 1.0));    }} <@endfunc@>  <@func declareDrawPointOutline()@> bool evalLightPointEdge(out vec3 color, Light light, vec4 fragLightDirLen, vec3 fragEyeDir) {    // Allright we re valid in the volume    float fragLightDistance = fragLightDirLen.w;    vec3 fragLightDir = fragLightDirLen.xyz;        // Show edges    float edge = abs(2.0 * ((lightVolume_getRadius(light.volume) - fragLightDistance) / (0.1)) - 1.0);    float edgeCoord = exp2(-8.0 * edge * edge);    color = mix(color, vec3(edgeCoord * edgeCoord * getLightColor(light)), float(edge < 1.0));     return (edge < 1.0);} <@endfunc@>