From 1271a337c5b9d8f15787409bfde7c38c61c429f6 Mon Sep 17 00:00:00 2001
From: Wojciech Figat <wojtek@figat.pl>
Date: Fri, 25 Mar 2022 11:42:39 +0100
Subject: [PATCH] Fix sampling Global SDF if unsupported (return large
 distance)

---
 Source/Shaders/GlobalSignDistanceField.hlsl | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Source/Shaders/GlobalSignDistanceField.hlsl b/Source/Shaders/GlobalSignDistanceField.hlsl
index 2e3f5ddd0..5bd516f92 100644
--- a/Source/Shaders/GlobalSignDistanceField.hlsl
+++ b/Source/Shaders/GlobalSignDistanceField.hlsl
@@ -57,6 +57,8 @@ struct GlobalSDFHit
 float SampleGlobalSDF(const GlobalSDFData data, Texture3D<float> tex[4], float3 worldPosition, uint minCascade = 0)
 {
 	float distance = data.CascadePosDistance[3].w * 2.0f;
+	if (distance <= 0.0f)
+		return 60000;
 	UNROLL
 	for (uint cascade = minCascade; cascade < 4; cascade++)
 	{