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42bb08b10b
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62 Commits

Author SHA1 Message Date
Fabian Giesen
42bb08b10b stb_image: Add SSE2 h2v2 resampling kernel. 2014-12-18 08:11:05 -08:00
Fabian Giesen
c625d24197 stb_image: First-pass stbi__sse2_available for GCC 2014-12-18 07:52:44 -08:00
Fabian Giesen
aabf2c5c49 stb_image: SSE2 YCbCr->RGB kernel 2014-12-18 07:41:41 -08:00
Fabian Giesen
d95f7acb32 stb_image: Remove old installable IDCT path. 2014-12-18 07:25:41 -08:00
Fabian Giesen
e5db25f637 stb_image: Add SSE2 IDCT for JPEG decoder. 
Also add SSE2 detection for MSVC++. Detection on GCC will follow
later.
 2014-12-18 07:22:42 -08:00
Fabian Giesen
fb2c841bb8 stb_image: Add more of the SSE2 skeleton. 2014-12-18 07:03:21 -08:00
Fabian Giesen
c6a3235995 stb_image: IDCT kernel func ptr in stbi__jpeg 
I want to support SSE2 kernels that auto-detect. If implemented
using globals, this would trigger thread race checkers if stb_image
was used in multiple threads. Just make the kernels be explicitly
per-stbi__jpeg to avoid this.

(This commit is the first step in replacing existing STBI_SIMD
functionality.)
 2014-12-18 06:49:41 -08:00
Fabian Giesen
518306517c stb_image: JPEG dequant in decode_block not IDCT. 
Inside decode_block, we're still sparse, and we can use that
sparsity pattern without doing extra work to discover it.
 2014-12-18 06:31:53 -08:00
Fabian Giesen
1d5652044d stb_image: JPEG fast_ac table - decode entire AC at once. 2014-12-18 06:30:42 -08:00
Fabian Giesen
a1bd1f7f1f stb_image: Faster stbi__extend_receive. 2014-12-18 06:25:42 -08:00
Sean Barrett
f547761c15 Fix assert() that should be STBI_ASSERT() 2014-12-14 18:14:14 -08:00
Sean Barrett
91255cb1cd update stb_image version & changelog 2014-12-14 02:06:33 -08:00
Sean Barrett
f9e593c25c Merge branch 'optimize' of https://github.com/rygorous/stb into working 
Conflicts:
	stb_image.h

Also disable VC6 automatic precompiled headers which were enabled in some projects.
 2014-12-14 01:57:22 -08:00
Sean Barrett
8ac015c03f fix 1/2/4-bit png to filter bytes before decoding to pixels; 
rename pngsuite/part1 to pngsuite/primary;
check in pngsuite
 2014-12-14 01:43:23 -08:00
Sean Barrett
8679ce08b7 fix incorrect img_n variable for interlaced files, caused files to be totally incorrect if forcing channel count 2014-12-13 23:35:55 -08:00
Fabian Giesen
1996a019ac stb_image: Guess decoded image size before zlib decode to avoid unnecessary reallocs. 2014-12-13 19:15:38 -08:00
Fabian Giesen
3d6dccf0c4 stb_image: Make 'fast' table contain code size and value directly. 2014-12-13 18:48:37 -08:00
Fabian Giesen
007de5eb6e stb_image: Extract zhuffman_decode slow path into own function. 2014-12-13 18:18:36 -08:00
Fabian Giesen
cdc230598e stb_image: Fast path for matches with dist=1 (runs) in stbi__parse_huffman_block. 2014-12-13 18:07:00 -08:00
Fabian Giesen
92b9e262b7 stb_image: Keep zout in a local var during stbi__parse_huffman_block. 2014-12-13 17:58:36 -08:00
Fabian Giesen
8188e842e2 stb_image: Add 'static' for some internal funcs, STBIDEF for external ones. 2014-12-13 17:31:51 -08:00
Fabian Giesen
61428d4526 stb_image: Trivial optimizations for filter path when img_n==out_n. 2014-12-13 17:22:57 -08:00
ocornut
1be86b37d6 Documentation 2014-09-26 00:06:30 +01:00
ocornut
50d9752612 Removing tabs and using 3-spaces indents to match local coding style 2014-09-26 00:01:45 +01:00
ocornut
09a1ab87a0 Fix for interlaced and small images + cleanup 2014-09-25 23:52:24 +01:00
ocornut
3b3e2996e7 Unpack 1/2/4 bpp into 8 bpp scanline buffer + support grayscale 1/2/4 bpp 2014-09-25 21:59:50 +01:00
ocornut
f2b3ebd470 Support for 1/2/4-bit palettized PNG 2014-09-25 19:30:47 +01:00
Tero Hänninen
a5f1cb5657 Fix comments 2014-09-05 18:38:39 +03:00
Sean Barrett
a14339a019 fix handling of tRNS chunk in PNG (used wrong variable for output channels) 2014-08-26 13:39:53 -07:00
Sean Barrett
b36f9908ce Merge branch 'master' of https://github.com/thedmd/stb into working 
Conflicts:
	stb_image.h
 2014-08-16 13:45:32 -07:00
Michał Cichoń
10def9b150 fix MSVC-ARM internal compiler error by wrapping malloc 
For some reason Microsoft CL compiler for ARM is unable to compile malloc when parameter is an expression. malloc(x * y) will cause internal compiler error, malloc(x) is however fine.
 2014-08-08 00:46:45 +02:00
Sean Barrett
29f59c0460 update version number 2014-08-07 04:44:17 -07:00
Ronny Chevalier
b8b6e7c31a stb_image: fix unused parameter 2014-08-07 03:26:20 -07:00
Ronny Chevalier
893ef013b2 stb_image: fix undefined preprocessor definition 2014-08-07 03:26:08 -07:00
Sean Barrett
bcefca10f7 fix bad fix in previous fix 2014-07-15 22:26:01 -07:00
Sean Barrett
75b9e9cc1b update stb_image version number 2014-07-09 23:45:58 -07:00
Sean Barrett
e0d86b0f5c STBI_ASSERT 2014-07-09 23:35:25 -07:00
Sean Barrett
3bf91543f4 revert img_n=0 initialization to original location 2014-07-09 23:26:03 -07:00
Sean Barrett
a2b9aa8d06 modifiy jpeg img_n fix 
switch from fopen to fopen_s on later MSVCs
 2014-07-09 23:23:48 -07:00
Sean Barrett
70de0adb28 Merge branch 'master' of https://github.com/LysanderGG/stb into working 2014-07-09 23:03:32 -07:00
Sean Barrett
932d485146 fix warnings in certain console compilers 2014-07-09 23:01:29 -07:00
Lysander
efd6b2698f Fix crash when trying to load progressive jpeg due to uninitialized s->img_n 
Proper pointer check before deleting
 2014-07-09 22:41:22 +09:00
Sean Barrett
df29024046 fix old stb_image.h search&replace that screwed up comments 2014-06-25 15:29:29 -07:00
Sean Barrett
b000f920ac update stb_image version number 2014-06-22 11:21:11 -07:00
johan
52f1a7614d remove gcc4.9.0 / c++11 warnings 
corrected annoying warnings about 'missing initializer'. The memset
version is not better, but gcc like it more.
 2014-06-22 19:47:17 +02:00
Sean Barrett
23a775cc13 update release notes at end of file 2014-06-15 13:11:10 -07:00
Sean Barrett
5753c13f25 Merge branch 'load-bmp-v5-header' of https://github.com/saitoha/stb into working 
Update version number
 2014-06-15 13:08:12 -07:00
Sean Barrett
fa30cdba89 Merge branch 'rewind-after-bmp-testing' of https://github.com/saitoha/stb into working 2014-06-15 13:01:11 -07:00
Sean Barrett
d0c33a77f9 TGA loader fix to new optimized path by Jerry Jansson 2014-06-15 13:00:00 -07:00
Sean Barrett
2fb6df190b fix accidental stb__skip renames in comments 2014-06-15 12:49:32 -07:00