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109 commits

Author SHA1 Message Date
Pavel Krajcevski
160fbb5e39 Add method for downscaling by averaging nearby pixel values. 2013-10-03 14:12:41 -04:00
Pavel Krajcevski
8e555b8424 Add hessian eigenvalue computation for an image. 2013-10-02 11:20:11 -04:00
Pavel Krajcevski
623f792904 Refactor 2013-10-02 11:19:36 -04:00
Pavel Krajcevski
0112f2cca7 Move the intensity calculation to the Pixel class... 2013-10-01 18:03:59 -04:00
Pavel Krajcevski
03f693f104 Add a hook into the PVRTexLib compressor if it's been found via cmake. 2013-09-30 12:38:09 -04:00
Pavel Krajcevski
a31de8f797 Wrong indices for modulation values 2013-09-30 11:20:08 -04:00
Pavel Krajcevski
dbc7798655 Add modulation image debug output. 2013-09-30 11:08:51 -04:00
Pavel Krajcevski
baab69dc99 Fix some MSVC compiler snafus 2013-09-28 22:21:31 -04:00
Pavel Krajcevski
157295efa3 Squelch some compiler warnings. 2013-09-27 17:38:36 -04:00
Pavel Krajcevski
dcf389d346 Merge PVRTC compressor into split library. 2013-09-27 17:30:16 -04:00
Pavel Krajcevski
8ea39890ac Update compressor to do a simple bounding box algorithm... results are still bad but better than what we've been getting. 2013-09-26 20:19:19 -04:00
Pavel Krajcevski
264e447e80 Deal with this bug once and for all. If we have an image in block stream order, then explicitly reorder it before doing any work. Then keep it that way. I probably could have fixed this in the amount of time I've wasted on it. -____- 2013-09-26 20:17:07 -04:00
Pavel Krajcevski
4de5f90edf Some small bug fixes to our still awful compressor. 2013-09-25 20:10:18 -04:00
Pavel Krajcevski
a57c40005c Small bug: don't allocate more memory than we have to. 2013-09-25 20:07:44 -04:00
Pavel Krajcevski
2c8254d6c3 Small optimization: reserve vector data before we populate blocks vector. 2013-09-25 16:38:10 -04:00
Pavel Krajcevski
33a1dab0a9 The modulation value is the index. 2013-09-25 16:37:34 -04:00
Pavel Krajcevski
088481afe4 Meant resize instead of reserve. 2013-09-25 16:37:17 -04:00
Pavel Krajcevski
a587899048 Fix some compiler errors with MSVC (and honestly, other compilers should catch them, too.) 2013-09-25 15:06:45 -04:00
Pavel Krajcevski
ed12d53cd4 Merge in a few changes from master 2013-09-25 15:05:56 -04:00
Pavel Krajcevski
f19b324d28 Make sure to use the proper directory when running RUN_TESTS from MSVC. Note, this doesn't work in Release. 2013-09-25 14:42:35 -04:00
Pavel Krajcevski
79d2ad79ac Fix some snafus on windows 2013-09-25 14:30:48 -04:00
Pavel Krajcevski
c6d7bdc670 Very preliminary compressor 2013-09-24 20:35:36 -04:00
Pavel Krajcevski
8f4dcca4d7 Add some utility functions for manipulating the block data, including packing colors back into the 64-bit word. 2013-09-24 20:33:48 -04:00
Pavel Krajcevski
3de9abc908 Make PVRTC block size a constant accessible from the global header 2013-09-24 19:30:31 -04:00
Pavel Krajcevski
340f4f3141 Add pixel packing routines 2013-09-24 19:29:03 -04:00
Pavel Krajcevski
75e570ed16 Fix some compiler snafus 2013-09-24 17:46:09 -04:00
Pavel Krajcevski
1636232717 Make sure that when changing from higher to lower bit depth (i.e. perform a division) that we round to the nearest value 2013-09-24 17:45:19 -04:00
Pavel Krajcevski
ea68f3a138 PVRTC image quality of life improvements. 2013-09-24 14:00:14 -04:00
Pavel Krajcevski
e9a9988a56 Fix small bug in downsampling that causes artifacts 2013-09-20 12:48:56 -04:00
Pavel Krajcevski
1093447055 Plug in the infrastructure to start passing images to be compressed. 2013-09-20 12:43:59 -04:00
Pavel Krajcevski
995c237e5e Add downscale test and fix a few bugs and formatting. 2013-09-19 17:47:36 -04:00
Pavel Krajcevski
1d58ea2385 Add RGBA pixel constructor 2013-09-19 15:11:27 -04:00
Pavel Krajcevski
9f4fa671d9 Add a first pass at content aware downscaling. 2013-09-18 18:03:44 -04:00
Pavel Krajcevski
e609075d04 Split apart the index calculation and pixel lookup functions 2013-09-18 18:03:08 -04:00
Pavel Krajcevski
16cc7f4a93 Use GetHeight/GetWidth() where appropriate instead of m_Width/m_Height 2013-09-18 18:02:35 -04:00
Pavel Krajcevski
4135e38f22 Set the default wrap behavior to wrap for image upscale, too 2013-09-18 18:00:59 -04:00
Pavel Krajcevski
d4ca50f8ed Fix the directories in the PVRTC compressor 2013-09-17 18:35:56 -04:00
Pavel Krajcevski
29bd1368e6 Fix a few compiler warnings and add the BPTCEncoder license. 2013-09-15 14:56:09 -04:00
Pavel Krajcevski
28cf254fe5 Initial decoupling of base library from core library. Includes a few formatting changes as well. 2013-09-13 19:36:37 -04:00
Pavel Krajcevski
093576c9e7 Add initial code for our compressor. 2013-09-13 13:10:22 -04:00
Pavel Krajcevski
0afa1281a8 Change default wrap mode to wrap 2013-09-13 13:10:07 -04:00
Pavel Krajcevski
571bf1ebd0 Remove dead code 2013-09-12 15:01:30 -04:00
Pavel Krajcevski
f7404c44b9 Refactor debug output for modulation info. 2013-09-12 15:01:19 -04:00
Pavel Krajcevski
1b073eb4b7 Add 2BPP decompression 2013-09-12 14:45:56 -04:00
Pavel Krajcevski
b3de3f2c01 If our compile flag is set to output debug images with tests, then actually do it. 2013-09-12 14:45:42 -04:00
Pavel Krajcevski
b3f8fcd454 Decouple upscale directions so that we can non-uniformly scale images. 2013-09-12 14:44:54 -04:00
Pavel Krajcevski
7184d49ccd Add unpack RGBA for our pixels 2013-09-12 14:41:00 -04:00
Pavel Krajcevski
9f6e6e7233 Fix bug with debug images 2013-09-12 14:32:33 -04:00
Pavel Krajcevski
1115c2f9e4 Add 2BPP helper functions for our blocks. 
Namely, there are two things that we need to do:
1. Figure out the sub-mode based on the mode bit and the structure of the modulation data. The comments in Block.h describe how we do this.
2. For a given texel index, return 2BPP texel modulation bits.
 2013-09-12 14:30:08 -04:00
Pavel Krajcevski
08cad3ba86 Add 2BPP tests 2013-09-12 14:04:20 -04:00