Fix sampling Global SDF if unsupported (return large distance)

2022-03-25 11:42:39 +01:00
parent a5af0a1c81
commit 1271a337c5
1 changed files with 2 additions and 0 deletions
--- 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++)
 	{