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112 Commits (457679209b7dc2214637ddbb7b893039bc4a3398)

Author SHA1 Message Date
Sean Barrett 66a75195dc rename STBI_X86_TARGET to STBI__X86_TARGET 2015-04-12 09:36:01 -07:00
Sean Barrett c83abb051a Merge branch 'mingwfix' of https://github.com/rygorous/stb into work2 
Conflicts:
	stb_image.h
 2015-04-12 09:33:26 -07:00
Sean Barrett e5fde30800 merge two x86/x64 tests into one; update credits 2015-04-12 09:30:05 -07:00
Sean Barrett c8852111cc Merge branch 'master' of https://github.com/pmj/stb into work2 2015-04-12 09:26:25 -07:00
Sean Barrett f22efc6151 update credits/docs 2015-04-12 09:26:16 -07:00
Sean Barrett 9d7499bca6 Merge branch 'master' of https://github.com/hpesoj/stb into work2 2015-04-12 09:23:07 -07:00
Sean Barrett 040df963c8 modifications to vertical flip API: 
more consistent name,
 refactor stbi_load_main to preserve old code,
 support float HDR path,
 minor bugfix
 2015-04-12 09:20:31 -07:00
Sean Barrett e3214d7ff7 Merge branch 'master' of https://github.com/nguillemot/stb into work2 2015-04-12 09:07:32 -07:00
Sean Barrett 24e50cbd5d remove asserts that are now run-time checks; 
bump version and update credits;
minor whitespace changes;
 2015-04-12 09:04:43 -07:00
Martins Mozeiko b2d440cfb5 Fixing various crashes when loading jpg, png and tga images. 2015-04-11 15:51:20 -07:00
Nicolas Guillemot c500a90375 added stbi_vertically_flip_on_load 2015-03-29 03:03:09 -07:00
Sean Barrett 0b05bde303 quick fixes w/o version updates 2015-02-22 14:26:21 -08:00
Joseph Thomson a60912f145 Avoid GCC sign-compare warning. 
GCC 4.7 gave the warning "signed and unsigned type in conditional
expression" because the ternary operator mixes signed and unsigned
integers. Fixed by casting to unsigned inside the "if" branch instead
of casting the result of the entire conditional.
 2015-02-20 10:15:08 +00:00
Fabian Giesen 4b0c6f6634 stb_image: NEON and SSE2 SIMD detection fixes. 
This fixes two things. First, the logic to disable SSE2 on
GCC unless "-msse2" was not specific enough, and ended up
disabling SIMD support on NEON targets entirely. Shuffle
the detection logic around to make that bit x86-specific.

Second, 32-bit MinGW assumes 16-byte aligned stacks, but this is
not in the Windows ABI and hence DLLs and callbacks don't
necessarily provide it. This caused a crash.

This can be fixed by providing the right command-line option,
which we have no control over. As a compromise, disable the SSE2
path on MinGW unless a specific #define explained in the comments
is set. That way, we default to safe (never-crashing) behavior
unless the user explicitly signals they know what they're doing.
 2015-02-17 01:21:40 -08:00
Laura Dennis-Jordan abe81006db Fixed bug where NEON code was #ifdef’d out on GCC/clang even where explicitly requested. 2015-02-05 20:49:04 +01:00
Sean Barrett 5bad081711 fix incorrectly-named assert, attempt to fix (char) cast warning (tricky since char's signedness is unknown) 2015-01-19 05:18:37 -08:00
Sean Barrett 5c121a9921 don't use SIMD on gcc if it's going to fail anyway 2015-01-17 08:32:57 -08:00
Sean Barrett 6f3bda396d credits, version number 2015-01-17 08:25:08 -08:00
Sean Barrett 68c8e4851a Merge branch 'master' of https://github.com/enginmanap/stb 2015-01-17 08:22:28 -08:00
Sean Barrett d673e85e94 update credits 2015-01-17 08:22:19 -08:00
engin manap 50c5c8e8ca remove unused variable "ha" 
this variable was causing a warning while compiling with gcc.
 2015-01-12 11:41:00 +02:00
engin manap 1a9be15c1e Fix dangling else warnings 2015-01-12 11:34:48 +02:00
Sergio Gonzalez a2df517a1a Fix for warning 4244. Cast to short 2014-12-29 18:43:57 -06:00
Sean Barrett a7c8694d69 fix missing STBI_MALLOC 2014-12-25 11:11:59 -08:00
Sean Barrett 6e0ae49f87 update version number, minor docs 2014-12-25 01:40:04 -08:00
Fabian Giesen febbc34a16 stb_image: Rename SSE2/NEON IDCTs to idct_simd. 2014-12-24 10:53:31 +01:00
Fabian Giesen d92ab86c65 stb_image: Fix PNG initial size guess for 1/2/4 bpc. 2014-12-24 10:15:28 +01:00
Fabian Giesen fb109abeaf stb_image: Update comments. 2014-12-24 10:07:52 +01:00
Sean Barrett 7f94e7e591 add #defines to allow disabling decoders for unwanted formats 2014-12-23 21:36:20 -08:00
Sean Barrett 53ca163e85 cleanup merge of ARM NEON support 
tweak docs
 2014-12-23 20:58:22 -08:00
Sean Barrett de385bb6bb Merge branch 'fastjpeg' into working 2014-12-23 20:24:46 -08:00
Fabian Giesen fd987527f1 stb_image: NEON YCbCr->RGB kernel. 
Also ran a bunch of test cases to make sure the IDCT and H2V2
resamplers were correct.
 2014-12-24 01:38:59 +01:00
Fabian Giesen 7d32f74d8a Merge branch 'fastjpeg' of https://github.com/nothings/stb into fastjpeg 
Conflicts:
	stb_image.h
 2014-12-23 23:52:12 +01:00
Sean Barrett 5b53d20c68 Put progressive JPEG AC decode logic back the way I wrote it originally (I changed it to match jpgd when I was trying to figure out why it didn't work); 
add STBI__ prefixes to internal SCAN_ enum;
strip unused function arguments for progressive funcs;
tweak release notes;
forget to git commit frequently so these would all be in their own commits;
 2014-12-23 05:11:36 -08:00
Sean Barrett 6403f319f7 tweak documentation 
stbi__ prefix on two functions that were missing it
 2014-12-21 08:30:27 -08:00
Sean Barrett e4fb737f66 Merge branch 'ppm' into working 
Conflicts:
	stb_image.h
 2014-12-21 08:23:34 -08:00
Sean Barrett 49d4d3193f fix non-progressive jpegs (had commented out a line accidentally); 
fix long-standing bug where gifs were just broken AFAICT
 2014-12-21 08:21:17 -08:00
Sean Barrett 33e24eafa0 in progress progressive stuff 2014-12-21 07:53:05 -08:00
Fabian Giesen a32d73dc3b stb_image: NEON integer IDCT (not yet tested!) 2014-12-21 12:55:50 +01:00
Fabian Giesen 0f3bf1564b stb_image: JPEG resampler func for NEON 2014-12-21 12:46:57 +01:00
Sean Barrett 9ad85cc8d2 tweak release docs 
tweak credits
tweak revision history
remove trailing whitespace
 2014-12-20 06:22:17 -08:00
Sean Barrett b4e526d7cf PNM cleanup 
fix a few old error messages
 2014-12-20 06:09:23 -08:00
Sean Barrett 97949493fb Merge branch 'master' of https://github.com/kennethdmiller3/stb into ppm 2014-12-20 05:49:19 -08:00
Sean Barrett ba5e333faf STBI_MALLOC etc. 
some documentation cleanup
 2014-12-20 05:46:13 -08:00
Sean Barrett bd6b78f268 finalize scalar YCbCr conversion back-ported from SSE version; 
add missing STBIDEFs to a few functions;
update documentation with full 1.49 info even though most isn't implemented yet
 2014-12-20 05:13:25 -08:00
Sean Barrett f259bf27e9 VC6: 
support using inline asm for cpuid

YCbCr:
  switch SSE code to constants that match old C;
  create C version that is same as SSE;
  tiny optimization(?) of SSE
 2014-12-19 04:39:04 -08:00
Fabian Giesen b082091bcb stb_image: GCC fix for new SIMD stuff. 2014-12-18 08:31:03 -08:00
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