From 958bc9a94ddfda0a24e1adbc3e2b554e6b1d137a Mon Sep 17 00:00:00 2001
From: Alan Tse <alandtse@gmail.com>
Date: Mon, 7 Oct 2024 22:37:09 -0700
Subject: [PATCH] fix(VR): fix VR desync

closes #601
---
 package/Shaders/Lighting.hlsl | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/package/Shaders/Lighting.hlsl b/package/Shaders/Lighting.hlsl
index 76a8efa24..164eba180 100644
--- a/package/Shaders/Lighting.hlsl
+++ b/package/Shaders/Lighting.hlsl
@@ -2132,7 +2132,13 @@ PS_OUTPUT main(PS_INPUT input, bool frontFace
 
 		float shadowComponent = 1.0;
 		if ((PixelShaderDescriptor & _DefShadow) && (light.lightFlags & Llf_ShadowLight)) {
-			shadowComponent = shadowColor[light.shadowLightIndex];
+			shadowComponent = shadowColor[
+#			ifndef VR
+				light.shadowLightIndex
+#			else
+				ShadowLightMaskSelect[light.shadowLightIndex]
+#			endif
+			];
 			lightShadow *= shadowComponent;
 		}