From 2b498fa51962ba85e88d2fed79ead6090b698ece Mon Sep 17 00:00:00 2001
From: teachmain <teachmain@outlook.com>
Date: Fri, 19 Apr 2024 18:59:11 +0800
Subject: [PATCH] fix inner reflection

---
 zenovis/xinxinoptix/DeflMatShader.cu | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zenovis/xinxinoptix/DeflMatShader.cu b/zenovis/xinxinoptix/DeflMatShader.cu
index 0e3ae2dc6f..f022a5864f 100644
--- a/zenovis/xinxinoptix/DeflMatShader.cu
+++ b/zenovis/xinxinoptix/DeflMatShader.cu
@@ -1006,7 +1006,7 @@ extern "C" __global__ void __closesthit__radiance()
 
     prd->direction = normalize(wi);
 
-    prd->origin = dot(prd->direction, prd->geometryNormal) < 0? backPos : frontPos;
+    prd->origin = dot(prd->direction, prd->geometryNormal) < 0.0f ? backPos : frontPos;
 
     if (prd->medium != DisneyBSDF::vacuum) {
         prd->_mask_ = (uint8_t)(EverythingMask ^ VolumeMatMask);