From 936360b33c9051c3bf7762ce2cb100d7176b77b8 Mon Sep 17 00:00:00 2001
From: CS Dev <dev@community-shaders.local>
Date: Sun, 8 Mar 2026 10:30:16 +0800
Subject: [PATCH] fix(VR): exponential height fog stereo UV discrepancies

---
 package/Shaders/ISSAOComposite.hlsl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/package/Shaders/ISSAOComposite.hlsl b/package/Shaders/ISSAOComposite.hlsl
index 478e677b40..32a9eb21aa 100644
--- a/package/Shaders/ISSAOComposite.hlsl
+++ b/package/Shaders/ISSAOComposite.hlsl
@@ -187,7 +187,8 @@ PS_OUTPUT main(PS_INPUT input)
 #		endif
 #		if defined(EXP_HEIGHT_FOG)
 	uint eyeIndex = Stereo::GetEyeIndexFromTexCoord(input.TexCoord.xy);
-	float4 positionWS = float4(2 * float2(input.TexCoord.x, -input.TexCoord.y + 1) - 1, depth, 1);
+	float2 monoUV = Stereo::ConvertFromStereoUV(input.TexCoord.xy, eyeIndex);
+	float4 positionWS = float4(2 * float2(monoUV.x, -monoUV.y + 1) - 1, depth, 1);
 	positionWS = mul(FrameBuffer::CameraViewProjInverse[eyeIndex], positionWS);
 	positionWS.xyz = positionWS.xyz / positionWS.w;
 	if (SharedData::exponentialHeightFogSettings.enabled) {