From aec07847303921f369ac087558ad24c336db64d0 Mon Sep 17 00:00:00 2001
From: Chuck Walbourn <walbourn@users.noreply.github.com>
Date: Mon, 16 Dec 2024 10:53:49 -0800
Subject: [PATCH] --ignore-mips does not apply to array textures (#567)

---
 DirectXTex/DirectXTexDDS.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/DirectXTex/DirectXTexDDS.cpp b/DirectXTex/DirectXTexDDS.cpp
index e2f99269..39b3f212 100644
--- a/DirectXTex/DirectXTexDDS.cpp
+++ b/DirectXTex/DirectXTexDDS.cpp
@@ -378,7 +378,7 @@ namespace
         }
 
         metadata.mipLevels = pHeader->mipMapCount;
-        if ((metadata.mipLevels == 0) || (flags & DDS_FLAGS_IGNORE_MIPS))
+        if (metadata.mipLevels == 0)
         {
             metadata.mipLevels = 1;
         }
@@ -650,6 +650,12 @@ namespace
             }
         }
 
+        // Special-handling flag for ignoring mipchains on simple DDS files
+        if ((flags & DDS_FLAGS_IGNORE_MIPS) && (metadata.arraySize == 1))
+        {
+            metadata.mipLevels = 1;
+        }
+
         // Handle DDS-specific metadata
         if (ddPixelFormat)
         {