From 7aaac465208c3596903933a1ef200ef0744e4787 Mon Sep 17 00:00:00 2001
From: kanglf20 <kanglf20@mails.tsinghua.edu.cn>
Date: Fri, 17 May 2024 23:24:53 +0800
Subject: [PATCH] Remove two-sidedness in light emission power estimation

---
 src/lights/diffuse.cpp | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/lights/diffuse.cpp b/src/lights/diffuse.cpp
index 05a0fb07..7867f44b 100644
--- a/src/lights/diffuse.cpp
+++ b/src/lights/diffuse.cpp
@@ -117,9 +117,6 @@ class DiffuseLightClosure final : public Light::Closure {
         auto L = light->texture()->evaluate_illuminant_spectrum(it_light, swl(), time()).value *
                  light->node<DiffuseLight>()->scale();
         auto luminance = pipeline.spectrum()->cie_y(swl(), L);
-        $if(light->node<DiffuseLight>()->two_sided()) {
-            luminance *= 2.f;
-        };
         return luminance;
     }