From 8a82305068f68ae4075be7ff86b5b4af8a71e5c3 Mon Sep 17 00:00:00 2001 From: Cosmic Linden Date: Tue, 11 Oct 2022 15:29:08 -0700 Subject: SL-18340: Fix PBR alpha materials treating spotlight as point light --- indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'indra') diff --git a/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl index 922da0c441..d7da50e25e 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/pbralphaF.glsl @@ -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); } -- cgit v1.2.3