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123 commits

Author SHA1 Message Date
Pavel Krajcevski 20c504056f - Add flag to specify whether or not we'd like to collect stats 
- Fix amount of interpolation points to use during shape estimation
 2012-10-31 17:48:53 -04:00
Pavel Krajcevski 1bd1a79065 Add specific function to collect stats for BPTC so that we have one that preserves accurate running time measurements. 2012-10-31 17:48:53 -04:00
Pavel Krajcevski 4c359f42a7 - Added a parameter to the PCA computation that returns the first and second 
eigenvalues of the covariance matrix associated with the cluster.

- Compared results of testing the ratio of eigenvalues as a measurement of
  'linearity' for the different shapes, and output statistics.

- Added a #define that controls whether or not we do shape estimation using
  quantized AABB error or eigenvalue ratios. The former seems to be better.
 2012-10-31 17:48:53 -04:00
Pavel Krajcevski 71fbbca1ee Fix a few issues and make sure that when we write out to a file, only the intended values are reported. We still have to fix the accumulated stat reporting and make it thread-safe. 2012-10-31 17:48:53 -04:00
Pavel Krajcevski fdcd7c2edc Fix crash because I forgot to add stat names 2012-10-31 17:48:53 -04:00
Pavel Krajcevski 93a3b3b92c Add some more stats to BC7 compressor. NOT THREAD SAFE 2012-10-31 17:48:53 -04:00
Pavel Krajcevski 99534bc5d0 Add stats function to serial encoder. Otherwise, continue to use non-stats function in threaded mode. 2012-10-31 17:48:52 -04:00
Pavel Krajcevski 1e6a2d4c7b Add new compression function that collects preliminary stats. 2012-10-31 17:48:52 -04:00
Pavel Krajcevski 2fa4da80ed Fix some inconsistencies with different versions of libpng. 2012-10-31 17:46:12 -04:00
Pavel Krajcevski 78da9499ec Add output for error metric 2012-09-18 19:00:20 -04:00
Pavel Krajcevski 341842d725 Make sure to not even compile the definition for the SIMD function. 2012-09-13 17:43:58 -04:00
Pavel Krajcevski ef2a370fc6 Move error metric to regular BC7Compressor so that we can use it even if we can't use SIMD. 2012-09-13 16:57:36 -04:00
Pavel Krajcevski acd20ea8ac Add flag for when we don't have SSE 2012-09-13 16:56:18 -04:00
Pavel Krajcevski 31f6233da2 Add minor performance enhancements 2012-09-13 16:31:48 -04:00
Pavel Krajcevski 2ad2e94584 Move type defines into core library... all modules should have a standard set of types. 2012-08-30 13:28:28 -04:00
Pavel Krajcevski 8f748ce070 Fix uint to be uint8 since otherwise it's undefined on a lot of platforms. 2012-08-29 11:55:01 -04:00
Pavel Krajcevski b9350e3876 Fix asm 2012-08-28 19:41:36 -04:00
Pavel Krajcevski 87375f4c14 Change signed to unsigned in order to match the function pointer typedef prototype. 
Changed the function prototype to match that of the typedef in the rest of the library, and fixed a bug where we would iterate too far with the initial buffer.
 2012-08-28 19:40:00 -04:00
Pavel Krajcevski cff862344f Add compiler specific syntax for inline assembly. 2012-08-28 15:36:26 -04:00
Pavel Krajcevski 38e26850fe Make sure that cmake test properly checks return value of popcnt to test availability. 2012-08-28 11:43:15 -04:00
Pavel Krajcevski db6e76f1b3 Change the encoders to assume block stream order 2012-08-27 18:42:09 -04:00
Pavel Krajcevski d68a119bc9 Fix SIMD recognition at least with GCC targets. Still need to test with MSVC 2012-08-25 13:03:20 -04:00
Pavel Krajcevski efdca4b5bb Initial commit with a few modifications 2012-08-24 15:56:45 -04:00