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fix: support dds files that lie about their mipmaps

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Jan 2025-01-15 19:18:04 +00:00
parent aa73dca59d
commit 8c453f1683
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1 changed files with 5 additions and 1 deletions
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6
src/ObjImage/Image/DdsLoader.cpp
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@ -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;