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SL-18340: Fix PBR alpha materials treating spotlight as point light

meow-7.2.2
Cosmic Linden 2022-10-11 15:29:08 -07:00
parent 3ac80d7ec2
commit 8a82305068
1 changed files with 6 additions and 1 deletions
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7
indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl
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@ -126,7 +126,12 @@ vec3 calcPointLightOrSpotLight(vec3 diffuseColor, vec3 specularColor,
float dist_atten = calcLegacyDistanceAttenuation(dist, falloff);
vec3 intensity = dist_atten * lightColor * 3.0;
// spotlight coefficient.
float spot = max(dot(-ld, lv), is_pointlight);
// spot*spot => GL_SPOT_EXPONENT=2
float spot_atten = spot*spot;
vec3 intensity = spot_atten * dist_atten * lightColor * 3.0;
color = intensity*pbrPunctual(diffuseColor, specularColor, perceptualRoughness, metallic, n.xyz, v, lv);
}