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335 Commits

Author SHA1 Message Date
Fabian Giesen 07268cbf36 stb_image: New Paeth filter 
This formulation is equivalent to the original (reference)
implementation but runs _significantly_ faster - this speeds up
the filtering portion of a Paeth-heavy 8192x8192 16-bit/channel
image by a factor of more than 2 on a Zen2 CPU.

I'm investigating doing a more thorough restructuring of this pass,
but this seems like a good first step.
 2023-12-14 03:13:59 -08:00
Fabian Giesen ed64333410 tests: test_png_regress 
I want to make some changes to the PNG loader, this is to get some
test coverage at least to make it easier not to break anything.

The two ref_results files that are "corrupt" files that stb_image
nevertheless loads without error are checksum failures; this is
by design, since stb_image does not verify checksums.
 2023-12-14 03:13:59 -08:00
Sean Barrett c4bbb6e75f stb_image_resize2.h 2.00 2023-10-09 17:23:04 -07:00
Sean Barrett 6199bf7713 update stb_image to 2.28 2023-01-29 06:24:13 -08:00
Sean Barrett 7de8f7999b Merge branch 'master' into dev 2021-07-12 23:47:13 -07:00
Sean Barrett 3a1174060a opengl stb_truetype demo app 2021-07-12 21:27:12 -07:00
Sean Barrett 4adb57af42 clean up project file 2021-07-12 15:58:08 -07:00
Sean Barrett 1ee679ca2e update version numbers 2021-07-11 17:07:54 -07:00
Sean Barrett fd7807e92d stb_c_lexer: allow including stb_c_lexer.h without defining overrides (all tokens are always defined; token values have changed) 2021-07-11 16:37:34 -07:00
Sean Barrett 0be82e4814 stb_truetype: fix incorrect antialiasing computation in v2 rasterizer, and handle certain cases where math blew up 2021-07-11 16:26:02 -07:00
Sean Barrett e05ecc05ee Fix compiling-as-C-pre-C99 issues 2021-07-11 15:26:16 -07:00
Randy af4c673174 change directory for seed corpus downloads 2021-07-10 15:51:11 +02:00
Randy a0a8653a7d attempt to fix issue with CIFuzz 2021-07-10 15:29:39 +02:00
Sean Barrett 4bb337ddf0 test including stb_c_lexer header independnet of implementation 2021-07-09 05:36:53 -07:00
Sean Barrett fc5b791228 stb_truetype: fix SDF handling of multiple move_to commands in a row 2021-07-07 01:21:37 -07:00
Sean Barrett 84e7a4ae24 stb_c_lexer: fix NUL eof test so it compiles 2021-07-07 00:43:40 -07:00
Randy dcb1116f13 ossfuzz: improve code coverage 
fix .gif pattern matching
add netpbm test images derived from the public domain pngsuite
added more image types (downloaded in Dockerfile)
 2021-07-06 21:50:18 -07:00
Sean Barrett 781609b7e9 stb_ds: fix arrisn, shgetp_null 2021-06-04 11:02:23 -07:00
Sean Barrett 559d759c2c stb_hexwave added, stretchy_buffer.h deprecated 2021-04-01 01:53:09 -07:00
Sean Barrett 3152efaa97 Merge branch 'fuzzer_updates' of https://github.com/randy408/stb into working 2020-07-13 04:08:36 -07:00
Randy 3b14b5afa6
Update Makefile 2020-06-01 06:22:44 +02:00
Randy c8303509fa make fuzz target compilable as c++ code 2020-06-01 06:18:13 +02:00
Randy 9cd6cdc0e5 add ossfuzz build script 2020-06-01 06:09:16 +02:00
Randy a6b384358f Merge branch 'fuzzer_updates' of https://github.com/randy408/stb into fuzzer_updates 2020-06-01 06:03:50 +02:00
Randy a7fed59fe4 add fuzz target to Makefile 2020-06-01 06:01:40 +02:00
Randy d1d0e9fdb0 add fuzz target to Makefile 2020-05-11 08:59:07 +02:00
Randy 5a7af50fa5 remove stb_png_read_fuzzer.options 2020-05-11 08:47:45 +02:00
Randy 88062723ff rename fuzz target 2020-05-11 08:18:56 +02:00
Randy b75413f8a4 do not define STBI_ONLY_PNG in fuzz target 2020-05-11 08:18:15 +02:00
Randy 4bafa56899 rename fuzz target, add entry point 2020-05-11 05:48:25 +02:00
Adam Korczynski fdec118312 Added fuzzer for stb_c_lexer 2020-04-09 16:21:56 +01:00
Sean Barrett 828e6cfdf7 update test 2020-02-05 04:31:55 -08:00
Sean Barrett 2805fe39ab Merge branch 'fix_ub_shift' of https://github.com/wojdyr/stb into working 2020-02-05 03:15:56 -08:00
Sean Barrett f06f586d18 sprintf warnings 2020-02-05 03:10:07 -08:00
Marcin Wojdyr 3366d1e797 stb_sprintf: avoid left shift of negative value 
fix undefined behaviour reported by UBSan:
  runtime error: left shift of negative value -9223372036854775808
and add a test case.

fixes #800
 2020-02-03 20:17:03 +01:00
Sean Barrett 50dc48013b test stb_include.h 2020-02-02 11:12:27 -08:00
Sean Barrett c046a25fd7 Merge branch 'fuzz' of https://github.com/randy408/stb into work2 2020-02-02 08:00:39 -08:00
Sean Barrett 81b4fd7342 test_sprintf: clean up for MSVC6 & integration to codebase 2020-02-02 07:37:20 -08:00
Sean Barrett 3223673e86 Merge branch 'test_sprintf' of https://github.com/wojdyr/stb into work2 2020-02-02 07:21:45 -08:00
Sean Barrett 57de42c23f disable broken tilemap editor build 2020-02-02 07:06:27 -08:00
Sean Barrett 4a7a434c2d various tests and infrastructure fixes 2020-02-01 04:21:41 -08:00
Sean Barrett c7343d4263 more Travis fixing 2019-08-11 16:45:14 -07:00
Sean Barrett 897c33133f more travis testing 2019-08-11 16:42:27 -07:00
Sean Barrett 5037e236ed try to work around Travis old GCC errors 2019-08-11 15:55:39 -07:00
Sean Barrett 787f1d646a Update version numbers 2019-08-11 05:38:37 -07:00
Sean Barrett b26a31072d test.sbm: tweak tests so all pass 2019-08-11 05:17:42 -07:00
Sean Barrett 846d15c102 image_test: tweak testing to open image in more modes 2019-08-11 04:58:48 -07:00
Sean Barrett bd8d9a88bc test.sbm: add clang compilation 2019-08-11 04:57:39 -07:00
Randy 0637408284 fuzz: fix error handling 2019-03-12 00:59:20 +01:00
Randy af516b99ff fuzz: remove some chunk identifiers from stb_png.dict 
these chunks are not parsed
 2019-03-12 00:14:16 +01:00