From bd95f088ce66c90f03325696e921644296d8f900 Mon Sep 17 00:00:00 2001
From: GuoLei1990 <gl3336563@163.com>
Date: Thu, 26 Aug 2021 17:53:06 +0800
Subject: [PATCH] fix: revert PHYSICALLY_CORRECT_LIGHTS

---
 packages/core/src/shaderlib/pbr/ibl_diffuse_frag.glsl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/core/src/shaderlib/pbr/ibl_diffuse_frag.glsl b/packages/core/src/shaderlib/pbr/ibl_diffuse_frag.glsl
index 00fc46f0b4..4d98c2bc5d 100644
--- a/packages/core/src/shaderlib/pbr/ibl_diffuse_frag.glsl
+++ b/packages/core/src/shaderlib/pbr/ibl_diffuse_frag.glsl
@@ -4,6 +4,10 @@
    vec3 irradiance = u_envMapLight.diffuse * u_envMapLight.diffuseIntensity;
 #endif
 
+#ifndef PHYSICALLY_CORRECT_LIGHTS
+   irradiance *= PI;
+#endif
+
 RE_IndirectDiffuse_Physical( irradiance, geometry, material, reflectedLight );