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231 Commits

Author SHA1 Message Date
Sean Barrett 0f8e471f7b various voxel/caveview improvements 2015-03-28 17:36:09 -07:00
Sean Barrett 0669a6659a fixes for premultiplied alpha 2015-03-17 02:21:17 -07:00
Sean Barrett ba49d37e6a premultiplied alpha support 2015-03-17 02:10:58 -07:00
Sean Barrett f49c90c03d beginnings of mode support; 
reconstruct full table of bit allocations per mode
 2015-03-15 11:17:14 -07:00
Sean Barrett c588d29e95 switch shader variation from runtime-with-tags to dynamic with #ifdefs; 
support making all definitions static so you can have multiple copies of file (with different #ifdefs);
move all tables to end of file (this will have to be undone later because IIRC it's not compatible with C++ or with some compilers or something, but it'll make my life easier in the interim);
 2015-03-15 10:18:13 -07:00
Sean Barrett 00810b7d11 correct normals for vheight floors 2015-03-14 15:02:51 -07:00
Sean Barrett c10b3fefae correct normals for upwards slope (and dummy lighting to test it) 2015-03-13 19:00:34 -07:00
Sean Barrett 177498673e update readme with wood type status 2015-03-13 12:39:30 -07:00
Sean Barrett 6509e1d1e7 minecraft wood types (only for solid blocks) 2015-03-13 12:45:49 -07:00
Sean Barrett f02b0d700f if vertex buffer is full, mesh builder stops gracefully and remembers where to continue 2015-03-13 12:00:00 -07:00
Sean Barrett efcd76c9ab support texture rotation; better interaction of mouse centering & VC6 debugger; fix in-place conversion when mca blocks are written in different order 2015-03-12 19:03:49 -07:00
Sean Barrett 3d4f545fd7 remove unused gl_fragColor support 2015-03-12 11:38:10 -07:00
Sean Barrett 673cbb1ee4 remove unused code from cave_main 2015-03-12 00:07:50 -07:00
Sean Barrett 0cd5465f52 re-add README.md that was in a different branch 2015-03-12 00:00:10 -07:00
Sean Barrett c27a6c6c36 restore old q&a 2015-03-11 23:54:45 -07:00
Sean Barrett 14b203571a forgot to check in .dsp file after the renames 2015-02-22 18:27:17 -08:00
Sean Barrett f9c24c20fc various cleanup; vheight works (only one path tested) 2015-02-22 17:42:46 -08:00
Sean Barrett 1d18b23ea1 replace main.c & game.c with cave_main.c 2015-02-22 15:52:03 -08:00
Sean Barrett 7add4d09b9 delete game.h 2015-02-22 15:42:24 -08:00
Sean Barrett 0e2583041d minor cleanup 2015-02-22 15:25:54 -08:00
Sean Barrett 5a0dcc90d6 initialize cache mutexes in right file 2015-02-22 15:09:22 -08:00
Sean Barrett cd17050ca4 split render.c into cave_mesher.c and cave_render.c 2015-02-22 15:03:04 -08:00
Sean Barrett 2770c92148 initial stb_voxel_render version with working minecraft viewer 2015-02-22 14:34:05 -08:00
Sean Barrett 0d840ab330 quick & dirty leak checker 2015-01-21 07:46:54 -08:00
Sean Barrett 22fa9a467a rewrite HDR rle logic 2015-01-18 10:43:42 -08:00
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 16d9ed7211 return truetype test code to old path 2014-12-21 08:32:09 -08:00
Sean Barrett 53008c0922 default tests 2014-12-21 08:25:13 -08:00
Sean Barrett 33e24eafa0 in progress progressive stuff 2014-12-21 07:53:05 -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
Sean Barrett f547761c15 Fix assert() that should be STBI_ASSERT() 2014-12-14 18:14:14 -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 01d2c9d957 test program now verifies pngsuite tests against refererence versions 2014-12-14 00:01:50 -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
Sean Barrett 26439254e8 fix use of stbrp_coord if no stb_rect_pack; 
fix a few assert()s that weren't STBTT_asserts();
fix missing cast for C++
fix typo in C++ test compilation that prevented it from trying to compile stb_truetype
 2014-12-10 00:27:11 -08:00
nothings 8ac41a413d fix typo 2014-12-08 11:42:47 -08:00
nothings 3a5caacaae Update README.md 2014-12-06 23:50:34 -08:00
nothings 49d5456de9 Update README.md 2014-12-06 23:49:29 -08:00
nothings 916800aae5 Update README.md 2014-12-06 23:48:10 -08:00
nothings cd5b5a5684 Update README.md 2014-12-06 23:46:40 -08:00
nothings b62bc08c34 Update README.md 2014-12-06 23:31:12 -08:00
nothings ae5bc8dfe9 Update README.md 2014-12-06 23:30:46 -08:00
nothings 9b1e1c50c0 Update README.md 2014-12-06 23:28:28 -08:00
nothings 7d0cec62c8 Update README.md 2014-12-06 23:28:04 -08:00
nothings 4b87ba76fe Update README.md 2014-12-06 23:22:14 -08:00
nothings 539dc3996b Update README.md 2014-12-06 23:21:11 -08:00
nothings 19b24bba1a Update README.md 2014-12-06 23:19:25 -08:00
nothings c6e1ec0cec Create README.md 2014-12-06 23:17:44 -08:00
Sean Barrett 22dbcffef7 stbtt_Pack* documentation 
oversample test tweaks
 2014-12-06 23:00:59 -08:00
Sean Barrett f03e352093 stb_rect_pack: fix LARGE_RECT bug 
stb_truetype: oversampling, including oversampling demo app
 2014-12-06 12:28:46 -08:00
Sean Barrett b6f8358f47 various fixes for compilation test 2014-12-02 03:00:08 -08:00
Sean Barrett d97c160e4a tilemap editor 0.30 2014-10-19 21:18:07 -07:00
Sean Barrett 17647014b3 fix c++ compilation 2014-09-23 17:56:03 -07:00
Sean Barrett 17e82a4080 Merge branch 'master' into working 2014-09-18 07:10:18 -07:00
Sean Barrett 37faf29f69 Merge branch 'resample' 2014-09-17 07:10:40 -07:00
Sean Barrett 0fc13e997b optimization attempts, no meaningful changes 2014-09-17 06:24:40 -07:00
Jorge Rodriguez cbf5ebbd35 Install ryg's float -> uint8 sRGB conversion code, which is much faster. 2014-09-16 10:36:19 -07:00
Jorge Rodriguez 600d80387e Make a guess at the value before doing the binary search, cuts the number of conditionals by half. Not as much gain as I hoped but something. 2014-09-15 14:01:11 -07:00
Sean Barrett dd28033b34 don't encode alpha channel twice when alpha is different colorspace from other channels 2014-09-15 07:23:22 -07:00
Sean Barrett 9f66b441bd new quickstart docs; 
reformat docs;
new simple uint32 test
 2014-09-14 14:55:23 -07:00
Jorge Rodriguez f0ba7f5f7e Get rid of old perf tests. 2014-09-13 13:42:50 -07:00
Sean Barrett 385d7a417c delete some unused functions; 
get rid of stbir__inline for some functions that don't need it
 2014-09-13 08:50:10 -07:00
Sean Barrett f711fdcb0f disable performance test in test code, back to regression test path 2014-09-13 08:22:15 -07:00
Sean Barrett 9a6af9a8d3 replace int(floor()) with int(), since that produces same results for non-negative values and is much faster on 32-bit x86 2014-09-13 08:12:37 -07:00
Sean Barrett 1dcca19ae0 because of we divide by /255 not /256, we lose numerical precision, so can't guarantee that box filter results round to same results as naive 2014-09-13 08:06:39 -07:00
Sean Barrett 972456cb63 explicit performance tests variants 2014-09-13 06:53:53 -07:00
Sean Barrett c9600c012f unroll channel loops in downsampler 2014-09-13 06:23:07 -07:00
Sean Barrett 0fa5b5c66f rename cubic to cubicbspline; 
tweak filter type documentation
 2014-09-13 05:52:19 -07:00
Sean Barrett 29b36b3dea rename filters, document them 2014-09-12 05:28:24 -07:00
Sean Barrett da2aa8f6b7 checkboard test to verify srgb 2014-09-12 05:04:38 -07:00
Sean Barrett a9778b8dbd tweak docs; fix compile error in UNUSED_PARAM stuff 2014-09-12 04:46:41 -07:00
Sean Barrett 7a4f1f4665 update with new tests for srgb conversion 2014-09-11 02:10:37 -07:00
Sean Barrett 16d68d14f8 fix stbir__linear_to_srgb_uchar: 
1. table stored threshhold of transition from i to i+1, but wants to be i-1 to i
    2. table was computed by dividing uchar by 256.0 instead of 255.0, causing it to be 100% wrong
 2014-09-11 02:05:53 -07:00
Sean Barrett 30c7a981ec compile as C; 
fix some unsigned/signed comparisons;
avoid round() since it's not in pre-C99 C;
remove MAX_CHANNELS since I never ended up needing it;
rename STBIR_EPSILON to STBIR_ALPHA_EPSILON;
don't use STBIR_ALPHA_EPSILON on float input (can't remove it properly due to numeric precision, and they can do it themselves);
optimize subtraction of STBIR_ALPHA_EPSILON;
sorry i forgot to commit these separately!;
 2014-09-11 01:47:50 -07:00
Sean Barrett 1208730e1e Merge branch 'resample' of http://github.com/bsvino/stb into resample 2014-09-11 01:15:09 -07:00
Jorge Rodriguez 953a637841 Use a carefully shaped trapezoid instead of a box filter to avoid jumps between pixel values. 2014-09-10 19:08:11 -07:00
Sean Barrett 671f04bd7e debugging truetype crash 2014-09-10 15:35:06 -07:00
Sean Barrett 4e580cf9ed fix compile 2014-09-10 15:11:35 -07:00
Jorge Rodriguez c9d67446d2 Reverse allocation routines parameter order so that the context is at the back. 2014-09-09 22:57:15 -07:00
Jorge Rodriguez 41e6aad693 Avoid repeated adds and ensure correct round-trip result. 2014-09-09 21:57:46 -07:00
Jorge Rodriguez 969ff7c850 Make sure calculate_memory matches with the allocations. Fix some errant asserts. 2014-09-09 20:51:29 -07:00
Jorge Rodriguez 4b69c0637e If alpha is zero then sneakily replace it with a very small nonzero so that the color data is preserved. 
Pre-process n1 so that we don't have to do it later on. Can't do n0 since it's used to find the coefficient index.
 2014-09-09 18:38:05 -07:00
Jorge Rodriguez 084baed15c Replace premul test with better premul test that doesn't require visual inspection. 2014-09-09 16:30:06 -07:00
Jorge Rodriguez 497eab8339 Normalize downsample coefficients. 2014-09-09 15:22:29 -07:00
Jorge Rodriguez 43fbc1d5e3 Rearrange the algebra on two of the filters to avoid repeating decimals which cause precision loss. Use int32 to test filters because it's more accurate. 2014-09-09 14:10:14 -07:00
Jorge Rodriguez ca241daefa Use rounding to try to preserve the original value. Fix test case. 2014-09-09 12:16:23 -07:00
Jorge Rodriguez 118f28557e Tests to ensure images of a solid color stay the same solid color after resampling. 2014-09-07 16:47:02 -07:00
Jorge Rodriguez e6c47ec657 Fix kernel lookup for downsampling. 2014-09-07 12:57:53 -07:00
Jorge Rodriguez 8cc6a3abfc If there's no context we're using the simple API functions - fall back to malloc and free. 2014-09-07 10:02:51 -07:00
Sean Barrett 36db03f390 tighten bounds on filter normalization test 2014-09-07 05:31:40 -07:00
Sean Barrett 7f8ac35e42 check whether filter kernels are normalized 2014-09-07 05:29:43 -07:00
Sean Barrett 7da729bfce restore correct definition of box 2014-09-07 04:07:07 -07:00
Sean Barrett 08ca345839 Merge branch 'resample2' into resample 2014-09-07 03:36:16 -07:00
Sean Barrett cd1fbacbb6 rename NEAREST to BOX 
write test for BOX
 2014-09-07 03:19:18 -07:00
Jorge Rodriguez 586e84087c Correctly specify alpha channels. 2014-09-06 21:50:28 -07:00
Jorge Rodriguez 38ce5494bc Clarify some comments. Make stbir__resize_arbitrary an internal function. Update test cases to use actual API functions. 2014-09-06 20:17:19 -07:00
Sean Barrett 41555b5d53 update test cases to work on things other than barbara.png 2014-09-06 14:58:32 -07:00