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Low quality DXT compression #463
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I agree with you, "NVIDIA Texture Tools Exporter 2024.1.0" gives much better quality than "texconv.exe" when converting from BC7 to DXT5 (BC3_UNORM_SRGB) using same settings. |
@suphamster Why would you convert from a higher quality compression to a lower-quality compression and expect good quality? |
Garage_cmp.zip |
I'm using DirectXTex to save DDS textures. I noticed that DirectXTex, compared to other tools, when saving textures in the compressed DXT format, loses detail, especially during smooth transitions. For example, on the very old X-Ray SDK (S.T.A.L.K.E.R.), the quality of texture compression is much better (in the X-Ray SDK, for some reason, the dither flag does not affect the compression quality, textures without and with dither are binary identical).
Comparison
Test textures: Textures.zip
How to achieve high quality DXT compression using DirectXTex?
Sorry for my English (I write through a translator).
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