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1.08
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Author SHA1 Message Date
richgel999
ab722fa2e1 - Adding support for skip blocks, i-frames and p-frames to the backend and transcoder, for texture video use. 
- For PVRTC1, we now memset() any extra blocks after the blocks we know will be transcoded into. This is done because in GL there is padding that occurs on textures smaller than 8x8.
- Removing all OpenMP usage and replacing it with a basis C++11 job system.
- Fixing TSVQ class so it can split very long "thin" clusters that before weren't being split. This improves endpoint quantization on videos and complex 2D textures.
- More frontend perf. optimizations.

Tested on OSX, Linux with gcc/clang, and Win using MSVC 2019.
1.08 v1.08 		2019-06-07 20:35:38 -07:00
Rich Geldreich
06019e73ad Updating examples 2019-06-01 15:24:47 -07:00
Rich Geldreich
bc5864c17d Updating forward compat section 2019-06-01 15:23:30 -07:00
Rich Geldreich
78f1aa3c22 Updating -level section 2019-06-01 15:21:07 -07:00
Rich Geldreich
cffae80451 Updating -level section 2019-06-01 15:19:51 -07:00
Rich Geldreich
72f1cfe514 Updating -level section 2019-06-01 15:18:16 -07:00
Rich Geldreich
1ea4a92893 Fixing graph's axis label 2019-05-31 15:49:07 -07:00
Rich Geldreich
13197a1c30 Update README.md 2019-05-31 15:47:55 -07:00
Rich Geldreich
ad308cc26c Adding encoder level vs. perf/quality graph. 2019-05-31 15:42:12 -07:00
Rich Geldreich
f631b29a7e Frontend optimizations: Adding multiple compression levels to the encoder's frontend. Level 2 and 4 are equivalent to the initial release (default or -slower). Level 1 is now the new default, and is on average 21% faster than level 2. (Or more, up to 2-2.5x, on large images.) The help text documents what encoder features are used in each level. Level 0 is fine for most images, but is weak on artificial images and really large complex images. -slower now sets level 2 (not 4). 
Adding -only_etc1 command line option, because sometimes during unpack you only want the ETC1 images.

Total timing and avg. Y PSNR across 59 test images, quality 128:

L Time PSNR
0 121.4	35.45
1 172.4	36.87
2 216.0	37.13
3 511.4	37.15
4 665.9	37.41
5 1483.4	37.43

Initial release:
L Time PSNR
0 216.77	37.13
1 701.84	37.41
 2019-05-31 15:14:58 -07:00
Rich Geldreich
00b5c254ab Encoder frontend fix: Setting unquantized ETC1S selectors (that got stomped in the previous optimization). 2019-05-29 16:57:59 -07:00
Rich Geldreich
a2144d7ff4 Update README.md 2019-05-29 12:48:42 -07:00
Rich Geldreich
3050ca4a70 Optimizing basisu_frontend::init_endpoint_training_vectors() so it doesn't go recompute the ETC1S block basecolor/inten tables again. We already do this in basisu_frontend::init_etc1_images(). This change should not change the output files in any way. 2019-05-29 12:11:48 -07:00
Rich Geldreich
21ab9bebb5 Update README.md 2019-05-28 18:07:29 -07:00
Rich Geldreich
fbeb5d014c Update README.md 2019-05-28 17:18:22 -07:00
Rich Geldreich
0c2d072a29 Update README.md 
Updating -mip_srgb options
 2019-05-28 17:16:38 -07:00
Rich Geldreich
d284b08a21 Update README.md 2019-05-28 17:14:47 -07:00
Rich Geldreich
dd29d75471 Default mipmap filtering now follows the -linear option. Also updating tool help text, and bumping the version. 2019-05-28 17:11:38 -07:00
Rich Geldreich
c180a087b9 Minor transcoder update: Adding support for arbitrary output texture row pitches, for usage with the Vulkan rendering API. 2019-05-28 15:41:16 -07:00
Rich Geldreich
5a3da3eb3a Merge pull request #17 from nigeltao/master 
Fix README.md markdown syntax typo
 2019-05-28 14:48:29 -07:00
Nigel Tao
0215d797ae Fix README.md markdown syntax typo 2019-05-26 15:02:00 +10:00
richgel999
92bc0de0ea Fixing demo falling back to 565 problem on Firefox (and possibly Edge). v1.00 2019-05-23 19:47:44 -07:00
Rich Geldreich
3bfe6d59c1 Merge pull request #9 from 1ace/patch-1 
cmake: add installation target
 2019-05-23 12:25:04 -07:00
Rich Geldreich
e00e6c1cb7 Merge pull request #10 from waracci/bg-fix-typo-readme 
bg(fix-typo): fix a single typo on the readme file
 2019-05-23 12:24:17 -07:00
Rich Geldreich
f32dc7b3f5 Update README.md 
Adding -mip_srgb command line to example usages, so mipmap use gamma correct filtering. I will be changing the command line tool so this is automatically done unless -linear is specified. For now it must be manually specified.
 2019-05-23 12:23:50 -07:00
Rich Geldreich
ab30538b29 Merge pull request #12 from kenrussell/add-examples-to-readme 
Add more compilation and usage instructions.
 2019-05-23 12:21:05 -07:00
Kenneth Russell
a3e3cdc770 Add more compilation and usage instructions. 
Incorporate suggestions from @hackerb9 and @aferriss.

Fixes #6.
 2019-05-23 10:03:52 -07:00
warachi
87486df333 bg(fix-typo): fix a single typo on the readme file 
- fix the typo 'familar' on the readme to 'familiar'

[Fix]
 2019-05-23 17:37:46 +03:00
Eric Engestrom
00f7b5b445 cmake: add installation target 
This allows to run `$BUILDTOOL install` to install `basisu` on your system, where `$BUILDTOOL` might be `ninja` or `make` for instance
 2019-05-23 15:22:05 +01:00
Rich Geldreich
0319b500f6 Merge pull request #7 from zeux/wasmopt 
Make basis_transcoder.{js,wasm} substantially smaller
 2019-05-22 23:27:43 -07:00
Arseny Kapoulkine
c2430c3792 Use emmalloc instead of dlmalloc to save a bit more space 
basis_transcoder.js 58707
basis_transcoder.wasm 217809
 2019-05-22 21:14:05 -07:00
Arseny Kapoulkine
f5d502912d Make codec options externally configurable and remove BC7 support 
This change makes it possible to exclude formats using compile time
options. BC7 is *never* exposed on the web and it has an absolutely huge
coding table which means we're just wasting space.

basis_transcoder.js 58707
basis_transcoder.wasm 224404
 2019-05-22 20:57:17 -07:00
Arseny Kapoulkine
6fa7476bf9 Remove std::iostream from the transcoders 
The impact on the file size is enormous, and it's used to output one
line into console which isn't exposed through the API anyhow.

basis_transcoder.js 58707
basis_transcoder.wasm 705079
 2019-05-22 20:53:10 -07:00
Arseny Kapoulkine
af8f9f8bc4 Remove assert(x) hack in favor of NDEBUG 
basis_transcoder.js 140999
basis_transcoder.wasm 832985
 2019-05-22 20:51:29 -07:00
Arseny Kapoulkine
a52a31e5b0 Rebuild basis_transcoder with new Emscripten (emsdk 1.38.31) 
basis_transcoder.js 141235
basis_transcoder.wasm 833219
 2019-05-22 20:48:42 -07:00
Rich Geldreich
5f5c57986f Update README.md 2019-05-22 15:33:40 -07:00
Rich Geldreich
b5d11d58c8 Update README.md 2019-05-22 14:14:54 -07:00
Rich Geldreich
24cb2d80e0 Update README.md 2019-05-22 14:00:31 -07:00
Rich Geldreich
8b7bd4daa0 Merge pull request #3 from seeekr/patch-1 
fix typos in README.md
 2019-05-22 13:52:32 -07:00
Denis Andrejew
84573a0f61 fix typos in README.md 2019-05-22 22:23:34 +02:00
Don McCurdy
d2ba604b06 Add link to glTF extension (in progress) 2019-05-22 08:51:14 -07:00
Rich Geldreich
044f12d0a0 Update README.md 2019-05-22 00:17:14 -07:00
Rich Geldreich
b9bc7d30da Update README.md 2019-05-21 20:48:07 -07:00
Rich Geldreich
ba1fa5513f Update README.md 2019-05-20 12:57:32 -07:00
Rich Geldreich
a2532b18ad Update README.md 2019-05-20 11:46:16 -07:00
Rich Geldreich
0007fb0dd8 Update README.md 2019-05-20 11:01:12 -07:00
Rich Geldreich
de4f1664d5 Update README.md 2019-05-19 01:53:58 -07:00
Rich Geldreich
9d135d2984 Update README.md 2019-05-18 18:14:12 -07:00
richgel999
51fb74364f Fixing/updating basisu tool help text. 2019-05-18 17:32:23 -07:00
Don McCurdy
b115f4be1a Add links to WebGL demos. 2019-05-18 17:15:37 -07:00