From 8c453f168396e5baae6df2aee522ac802068f783 Mon Sep 17 00:00:00 2001
From: Jan <jan@laupetin.net>
Date: Wed, 15 Jan 2025 19:18:04 +0000
Subject: [PATCH] fix: support dds files that lie about their mipmaps

---
 src/ObjImage/Image/DdsLoader.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/ObjImage/Image/DdsLoader.cpp b/src/ObjImage/Image/DdsLoader.cpp
index bc9e0c99..f61a439b 100644
--- a/src/ObjImage/Image/DdsLoader.cpp
+++ b/src/ObjImage/Image/DdsLoader.cpp
@@ -184,7 +184,11 @@ namespace dds
             m_width = header.dwWidth;
             m_height = header.dwHeight;
             m_depth = header.dwDepth;
-            m_has_mip_maps = (header.dwCaps & DDSCAPS_MIPMAP) != 0 || header.dwMipMapCount > 1;
+
+            // Best thing to do here would be to check (header.dwCaps & DDSCAPS_MIPMAP) != 0 but some tools just create bad files
+            // I encountered both files that have the flag without them actually having mipmaps (mipMapCount == 1)
+            // and also files that have mipMapCount > 1 but not the flag
+            m_has_mip_maps = header.dwMipMapCount > 1;
 
             if (header.dwCaps2 & DDSCAPS2_CUBEMAP)
                 m_texture_type = TextureType::T_CUBE;