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.

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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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