Commit Graph

11 Commits

Author SHA1 Message Date
Ignacio
9489aed825 Merge changes from The Witness. 2018-02-05 18:55:07 -08:00
Ignacio
a083337473 Merge changes from The Witness. 2015-03-24 12:14:49 -07:00
castano
d019cd7080 Merge changes from the witness. 2014-11-04 17:49:29 +00:00
nathaniel.reed@gmail.com
ab316deeaa Add BC7 support. It's incredibly slow - ~60 seconds to compress a 512x512 image, on a Core i7 - but it works.
- Added AVPCL compressor to projects and got it building with VC9 and VC10.
- Removed unused command line interface & file read/write code from AVPCL.
- Convert AVPCL to use NV vector math lib, asserts, etc.
- Convert AVPCL to use double instead of float.
- Added 4x4 symmetric eigensolver, for AVPCL; it's based on the existing 3x3 one, but I had to rewrite the Householder reduction stage.  As with ZOH, using the eigensolver (instead of SVD) gives a ~25% speedup without significantly affecting RMSE.
- Encapsulate ZOH and AVPCL stuff into their own namespaces to keep everything separate.
- Added some missing vector operators to the nvmath lib.
2013-12-07 02:17:08 +00:00
nathaniel.reed@gmail.com
474239c784 Add BC6 support to nvtt lib and utils.
- 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.
2013-10-25 17:30:55 +00:00
castano
3c0ab2d3f3 Merge changes from the witness. 2011-09-27 17:48:46 +00:00
castano
23b140416a Work in progress. Experiment with lightmap compression. 2010-11-12 03:32:46 +00:00
castano
5f845513ee Fix msvc warnings and errors.
Test TexImage stuff more througly.
Test YCoCg and RGBM.
2010-11-06 02:34:34 +00:00
castano
1e0dea0738 Fix build. Minor cleanups. 2010-06-24 07:45:39 +00:00
castano
5c60989043 BC6/7 progress. Work in progress. 2010-06-21 22:23:28 +00:00
castano
4b08c20b0e More cleanup. 2010-05-31 08:13:23 +00:00