From 673455c3d930f86c515f1fc9874b8149a3226b08 Mon Sep 17 00:00:00 2001
From: zhuxudong <callzhuxudong@163.com>
Date: Tue, 5 Jul 2022 12:14:38 +0800
Subject: [PATCH] fix: TextureCube is left-hand,so x need inverse

---
 packages/core/src/shaderlib/pbr/ibl_frag_define.glsl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/core/src/shaderlib/pbr/ibl_frag_define.glsl b/packages/core/src/shaderlib/pbr/ibl_frag_define.glsl
index 9f46499bee..786293b776 100644
--- a/packages/core/src/shaderlib/pbr/ibl_frag_define.glsl
+++ b/packages/core/src/shaderlib/pbr/ibl_frag_define.glsl
@@ -2,6 +2,7 @@
 
 // sh need be pre-scaled in CPU.
 vec3 getLightProbeIrradiance(vec3 sh[9], vec3 normal){
+      normal.x = -normal.x;
       vec3 result = sh[0] +
 
             sh[1] * (normal.y) +