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Add BC6 support to nvtt lib and utils.

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- Use 3x3 eigensolver for initial fit in ZOH.  Slightly better perf and RMSE than power method.
- Remove use of double precision in ZOH - speeds up by 12%.
- Fixed RGBM encoding that was broken for HDR images.
- Use gamma-2.0 space for RGBM for HDR images (improves precision in darks).
- Use UNORM instead of TYPELESS formats when saving a DX10 .dds file.  The TYPELESS formats break most viewers.
- Cleaned up warnings in ZOH code.
- Command-line utils will warn if you give them an unrecognized parameter.
- Added VS2010 profiling results.
This commit is contained in:
nathaniel.reed@gmail.com
2013-10-25 17:30:55 +00:00
parent 77188a42ac
commit 474239c784
43 changed files with 1610 additions and 1161 deletions
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128
project/vc9/nvtt/nvtt.vcproj
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@ -916,138 +916,10 @@
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