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Author SHA1 Message Date
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
ba36ca34fd Make sure to set the block stream order flag for sane debugging. This bug really needs to get fixed. 2013-09-25 20:07:10 -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
986616daf6 Touch up windows command line tool to support PVRTC compression 2013-09-25 16:36:34 -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
0cfca89da2 Add default for PVRTexLib on linux 2013-09-24 17:44:11 -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
9acd9db7b3 Merge branch 'master' into CompressPVRTC 2013-09-18 17:55:32 -04:00
Pavel Krajcevski
e0ec005ac8 Fix link problems 2013-09-18 14:00:53 -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
Pavel Krajcevski
0172df4e60 Add final opaque to transparent gradient test. 2013-09-10 13:34:13 -04:00
Pavel Krajcevski
dd625fca71 When going from 344(3/4) pixels to 4555, the alpha channel only has a zero appended to it. Hence we must clear that bit for each pixel that was transparent during decoding. 2013-09-10 13:22:53 -04:00
Pavel Krajcevski
f5e0aa4f9f Make sure to clear the MSBs of channels that have zero depth that get converted to higher depth values 2013-09-10 13:21:48 -04:00
Pavel Krajcevski
77bb7488cc Fix typo 2013-09-10 11:58:53 -04:00
Pavel Krajcevski
eb312ccb0a Small refactor 2013-09-09 14:16:45 -04:00
Pavel Krajcevski
5020f81f00 Add a transparent pvr image test 2013-09-09 10:33:04 -05:00
Pavel Krajcevski
6c8eea5520 Add superfluous code from when I was trying to match the decoder to PVR library. 2013-09-09 10:31:53 -05:00
Pavel Krajcevski
09b5680245 Some small code style fixes 2013-09-06 13:37:50 -04:00
Pavel Krajcevski
5ac6872dc7 Add a test to make sure that after a bilerp the pixels that should remain unaffected do in fact remain unaffected. 2013-09-06 02:02:34 -04:00
Pavel Krajcevski
3806efe6fc Add some more hacky includes to be able to output debug images from our tests. 2013-09-06 02:02:02 -04:00