From 30f598604767602e3afce56b947e99dba2b51211 Mon Sep 17 00:00:00 2001
From: Skyth <19259897+blueskythlikesclouds@users.noreply.github.com>
Date: Mon, 11 Nov 2024 19:56:55 +0300
Subject: [PATCH] Check for NaN values in 2D weight function.

---
 ShaderRecomp/shader_common.hlsli | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ShaderRecomp/shader_common.hlsli b/ShaderRecomp/shader_common.hlsli
index 4210d6d..af37837 100644
--- a/ShaderRecomp/shader_common.hlsli
+++ b/ShaderRecomp/shader_common.hlsli
@@ -54,7 +54,7 @@ float4 tfetch2D(uint resourceDescriptorIndex, uint samplerDescriptorIndex, float
 float2 getWeights2D(uint resourceDescriptorIndex, uint samplerDescriptorIndex, float2 texCoord, float2 offset)
 {
     Texture2D<float4> texture = g_Texture2DDescriptorHeap[resourceDescriptorIndex];
-    return frac(texCoord * getTexture2DDimensions(texture) + offset - 0.5);
+    return select(isnan(texCoord), 0.0, frac(texCoord * getTexture2DDimensions(texture) + offset - 0.5));
 }
 
 float w0(float a)