kc3-lang/harfbuzz/src/hb-ot-var-common.hh

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src/hb-ot-var-common.hh

Branch - branch -main

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Log

Author	Commit	Date	CI	Message
	e1fd2bee	2025-09-18T11:18:09		[alloc-pool] Reduce memory usage by reclaiming some discards
	23024337	2025-09-17T15:32:46		[instancer/iup] Reduce mallocs again Perhaps shrink() shouldn't default to realloc. Working on it.
	2be836c1	2025-09-17T00:31:50		Revert "[instancer] Preallocate coordinate maps from alloc pool as well" This reverts commit 3f71afe7605cdc7260990f8925e6ed49521fe728. Slowed things down.
	3f71afe7	2025-09-17T00:22:39		[instancer] Preallocate coordinate maps from alloc pool as well
	d4cc4823	2025-09-16T17:00:38		[instancer/tuplevar] Tune allocation size
	5b04b40d	2025-09-16T16:52:53		[instancer/tuplevars] Allocate compiled_deltas from alloc pool
	ea9b7de4	2025-09-16T16:45:02		[instancer/tuplevars] Allocate compiled_tuple_headers from alloc pool
	fb0ef230	2025-09-16T11:16:30		Revert "[tuplevars] Allocate from pool" This reverts commit 94d78de954ab22f3717cc399920670f877616567. Slowed things down.
	94d78de9	2025-09-16T11:13:19		[tuplevars] Allocate from pool
	f5fdf426	2025-09-16T02:28:29		[tuplevar] Use pool for duplicating
	f9cd59ae	2025-09-16T01:45:36		[tuplevar] More use of pool
	12ce710f	2025-09-16T01:44:47		[tuplevar] Use alloc-pool instead of custom pool
	43e017f8	2025-09-16T01:31:21		[tupledelta] Micro optimize
	ebdeb2e3	2025-09-16T01:09:46		[tuplevalues] Speed up encoding
	755ed109	2025-09-16T00:40:28		Add hb-alloc-pool and use in gvar instancer
	82370913	2025-09-15T20:16:52		[vector] Simplify resize()
	c56ef9ed	2025-09-15T20:10:54		[instancer] Reuse more allocations These allocs are scratched. Don't free them, so we reuse.
	8e3e8c66	2025-09-15T19:49:11		[iup] Reuse more allocations
	5e816ef7	2025-09-15T18:43:22		[iup] Reuse vectors
	db86e546	2025-09-15T16:41:31		[instancer/gvar] Combine peak_coords mallocs into one chunk
	4d590199	2025-09-14T18:04:51		[instancer/tuplevar] Allocate intermediates array on demand
	35212ba3	2025-09-14T17:46:13		[gvar] Change a storage type No functional change.
	323901f8	2025-09-14T13:47:32		[instancer/tuplevars] Reduce work by combining two loops
	eb6de664	2025-09-14T13:13:22		[instancer/tuplevars] Reduce work
	1f936e23	2025-09-13T16:58:45		[instancer] Try to move instead of copy some tuples
	f2c4ab45	2025-09-13T16:14:55		[instancer/varstore] Micro-optimize
	cf6c9d8a	2025-09-13T13:49:56		[instancer/varstore] Put back sort again In testing with GoogleSansFlex, this produces slightly smaller result.
	a4a50892	2025-09-12T23:41:40		[instancer/varstore] Speed up encoding merging Don't recalculate chars from all row data.
	a878dca0	2025-09-12T19:19:07		[instancer/varstore] Remove sorting from the optimizer Just work with incoming order.
	e16be515	2025-09-12T17:42:57		[instancer/varstore] Only optimize instanced varstore incrementally See comments. This basically wipes of the varstore optimization costs out of the profiles, which saves eg. 25% total time in GoogleSansFlex instantiation, with practically no file size downside.
	a4087e7f	2025-09-12T15:48:26		[instancer/varlib] Minor non-functional change
	3965e9a6	2025-09-12T13:12:05		[instancer/varstore] Change sort key (#5540) See https://github.com/harfbuzz/harfbuzz/pull/5540
	c9480db9	2025-09-12T12:22:17		[instancer/varstore] Add a heuristic to speed up optimization
	e4957b0c	2025-09-12T10:57:49		[varLib/instancer] Simplify gain encoding
	20d7ef5f	2025-09-12T10:45:08		[instancer/varstore] Change gain encoding gain can be high in theory.
	f12be45c	2025-09-12T03:42:49		[instancer/varstore] Optimize gain comparisons
	92ec75f8	2025-09-12T03:13:25		[instancer/varstore] Micro-optimize
	14e7d5b2	2025-09-12T03:04:59		[instancer/varstore] Speed up gain_from_merging 10% speedup instancing GoogleSansFlex.
	aba798dd	2025-09-12T00:52:40		[instancer/varstore] Use heapify() instead of inserts()
	3dc5e3d6	2025-09-11T23:27:51		[instancer/varstore] Consolidate chars_t logic
	fe6c9a0f	2025-09-11T23:23:41		[instancer/varstore] Fix a logic bug combined_chars was moved already. Also, see comment.
	9d971169	2025-09-11T23:10:50		[instancer/varstore] Add a chars_t type
	1a6c6d78	2025-09-11T21:59:41		[instancer] Micro-optimize a couple of hot comparisons
	c938e8ce	2025-09-11T21:57:14		[instancer] Micro-optimize by using bit-set directly
	a34f8b31	2025-09-11T19:10:05		[instancer] Use bitset instead of vector for VarStore optimizer columns ~30% faster on GoogleSansFlex.
	2e86070e	2025-09-11T18:15:19		[instancer] Don't clear a couple of resize allocations Not needed.
	01fd17d6	2025-09-11T17:05:03		[instancer] Reduce mallocs in create_from_tuple_var_data
	23e40cd7	2025-09-11T16:53:44		[instancer] Reduce mallocs in gain_from_merging
	3df6e510	2025-09-11T16:33:10		[instancer] Reduce mallocs in merge_tuple_variations
	6d82b40a	2025-09-11T16:09:13		[instancer] Remove unnecessary vector fini
	87c36992	2025-09-11T15:42:59		[instancer] Reduce mallocs in calc_inferred_deltas
	67bddf15	2025-09-11T15:16:30		[instancer] Reduce mallocs in change_tuple_var_axis_limit
	17aa37ab	2025-09-11T15:13:51		[instancer] Reduce mallocs in rebase-tent
	0ce2b74f	2025-07-19T20:45:50		[gvar] Don't store deltas not needed For phantoms-only case. 30% speedup on v-advances func's slowest codepath (using phantom-points).
	7165f117	2025-05-20T17:09:58		[var] Micro-optimize
	19fd08f0	2025-05-18T11:31:41		[TupleVariation] Inline the hot methods
	8ef23c48	2025-05-17T11:13:36		[TupleVariation] Micro-optimize more
	c35b6eb4	2025-05-17T11:07:04		[TupleVariation] Micro-optimize non-common paths too
	35db5c09	2025-05-17T10:55:29		[TupleVariation] Micro-optimize more
	1e0b04bd	2025-05-17T10:46:46		[TupleVariation] Micro-optimize gvar-cache
	d47daacb	2025-05-16T01:16:12		[gvar] Remove shared_tuple_active_idx cache Reduces malloc overhead and doesn't slow things down much now that we have a shared_tuple scalar_cache.
	c6097698	2025-05-16T01:10:43		[ot-font/draw] Use a gvar shared-tuple scalar cache for calculate_scalar Massive saving on massively variable fonts. Over 30% on a tested font.
	49b1a4c0	2025-05-15T16:54:00		[TupleVariation] Reduce iteration overhead
	7fcf7b3c	2025-05-15T16:45:30		[TupleVariation] Reduce iteration overhead The check was actually wrong. And we check that upon access separately.
	756980ce	2025-05-15T15:50:01		[TupleVariations] Cache all active indices in shared tuples
	ffe955b9	2025-02-26T13:40:18		[GVAR] Change offsetToData size to 24bit As per https://github.com/harfbuzz/boring-expansion-spec/issues/162
	b12612f5	2025-02-25T13:47:06		Fix compiler warnings
	aaecaa4c	2025-02-24T22:03:00		[vector] Disallow accidental creation of transient vectors Fix sites that were doing this under our feet. This lowers precision of some instancing operations from double to float, which modifies a few results by rounding error. TODO: Update tests.
	622e9c33	2024-11-06T10:59:17		[instancer] fix for incorrect offset calculation when we have gvar padding
	2ba0b9ee	2024-08-29T11:41:28		Turn some byte data into unsigned char, from char Fixes https://github.com/harfbuzz/harfbuzz/issues/4844
	72502ef0	2024-08-12T14:08:06		[instancer] dont return false when variation data is empty after partial instancing
	0037ee28	2024-05-24T08:10:15		Merge pull request #4578 from harfbuzz/varc-table `VARC` table
	fecc5789	2024-05-23T16:23:21		[var] Minor, make a function a template
	3f38ffd6	2024-05-13T18:50:43		[subset] Fix remaining double conversion warnings.
	b74a7ecc	2024-05-07T19:53:01		Fix IUP differences accoss platforms. - Slightly increase the tolerance to account for differences in floating point math across platforms. - The specific issue is a fused multiply add (d = d1 + (x - x1) * scale; in hb-subset-instancer-iup.cc) - Also fix more implicit double conversion warnings.
	ca642570	2024-05-07T10:19:30		Rename result_t to rebase_tent_result_t
	e81c8c13	2024-05-03T18:06:14		Change tolerance from float to double.
	66cd7c04	2024-04-23T13:09:22		[Condition] Shuffle code around
	a94a5c63	2024-04-16T17:10:43		[varc] Add get_point_at to glyf/CFF2
	763f8390	2024-03-15T11:45:39		[TupleValues] Move compile/decompile here
	b24511d2	2024-03-15T11:00:31		[TupleVariations] Rename encode/unpack to compile/decompile
	8ccebae1	2024-03-15T10:53:25		[TupleVariations] Simplify encode API
	3d0c03ae	2024-03-15T10:48:18		[TupleVariations] Take array instead of vector in encode
	0dcdbb4f	2024-02-06T16:23:48		[VARC] Add consume_all to unpack_deltas() Untested.
	bd795373	2024-02-06T14:38:21		[TupleValues] Encode 32bit values https://github.com/harfbuzz/boring-expansion-spec/blob/main/VARC.md#tuplevalues
	0c605453	2024-02-06T14:29:50		[TupleValues] Decode 32bit values https://github.com/harfbuzz/boring-expansion-spec/blob/main/VARC.md#tuplevalues
	e1d0ee3b	2024-04-16T17:10:05		[var] Mark a few methods as static
	a69a6cb0	2024-04-16T17:08:06		Avoid a copy
	2cfa5505	2024-03-27T23:21:57		[instancer] Switch to doubles for delta calculations. FontTools uses double's internally so match FontTool's precision so we get the same results more often for floating point calculations.
	3cfdbd67	2024-02-16T23:41:55		Use `noexcept` on swap, move constructors, etc.
	031fdb1c	2024-02-06T14:51:41		Rename VarStoreInstancer to ItemVarStoreInstancer
	1cb47eff	2024-02-06T14:49:31		Rename VariationStore to ItemVariationStore
	f072de93	2024-01-30T10:31:14		[instancer] move iup code to a seprate file
	4d5fb233	2024-01-26T16:00:58		fix build
	0cbc8123	2024-01-26T11:26:10		[instancer] add iup_optimize() call into instantiation
	a3e3473c	2024-01-26T10:34:58		[instancer] when iup delta opt is enabled, add default deltas to coords
	f1cdcc70	2024-01-26T10:12:38		[instancer] add iup delta optimization functions tuple_delta_t ported from fonttools
	8ad540bb	2024-01-26T09:58:48		[instancer] move compile_point_set to be a member of tuple_delta_t Also change hb_bytes_t to vector for memory safety
	7ee7e2e3	2023-11-04T15:02:28		[sanitize] Add remaining hb_barrier() annotations I'm sure I've forgot some. But this is a good start.
	b5329459	2023-11-01T16:53:26		[tuple_delta_t] Micro-optimize encoding vector access