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102 Commits

Author SHA1 Message Date
Thomas Harte 35545451fe Apply applicable deferred actions before lookahead. 2024-02-16 08:56:01 -05:00
Thomas Harte a3d37640aa Switch include guards to `#pragma once`. 2024-01-16 23:34:46 -05:00
Thomas Harte 8efb6a9226 Simplify 'get_next_sequence_point' -> 'next_sequence_point'. 2023-09-10 18:00:49 -04:00
Thomas Harte 28c79b2885 Eliminate redundant [space][tab] pairs. 2023-05-12 14:14:45 -04:00
Thomas Harte f38cf91ea7 Add attempt to detect improper usage. 2023-02-14 20:13:16 -05:00
Thomas Harte 8f2e94a1d8 Switch name back to emphasise _async_. 2022-07-16 14:41:04 -04:00
Thomas Harte bf03bda314 Generalise AsyncTaskQueue, DeferringAsyncTaskQueue and AsyncUpdater into a single template. 2022-07-14 16:39:26 -04:00
Thomas Harte 3e2a6ef3f4 Hacks up an [unsafe] return to something best-effort-updater-esque. 
For profiling, mainly.
 2022-07-07 16:35:45 -04:00
Thomas Harte c750bdafd5 Switch to a saturating conversion. 2021-11-18 18:01:30 -05:00
Thomas Harte 0f6934a131 This uses Cycles and HalfCycles, so should include ClockReceiver. 2021-11-11 09:24:32 -05:00
Thomas Harte 6a15bb15ca Adds a simpler way of deferring single values. 2021-08-07 17:29:21 -04:00
Thomas Harte 6216d53b1a Adds a faster flushing HalfCycles -> Cycles conversion. 2021-07-23 20:07:57 -04:00
Thomas Harte 5729e6e13a Corrects potential JustInTimeActor overflow. 2021-06-27 21:36:41 -04:00
Thomas Harte b698056f78 Correct divisor. 2021-06-27 17:39:13 -04:00
Thomas Harte 95c906f03d Takes a serious shot at `back_map`. 2021-06-27 17:36:25 -04:00
Thomas Harte be19fa9dde This mapping needs to know where it will occur. 2021-06-27 17:30:09 -04:00
Thomas Harte 81e9ba5608 This is correct from the Enterprise's side of things, I think. 
I just need to complete the missing part of JustInTimeActor. After I do some empirical testing of this.
 2021-06-27 17:24:21 -04:00
Thomas Harte d1b89392a2 Improve exposiiton. 2021-06-24 22:18:31 -04:00
Thomas Harte 266310d9c2 Fixes automatic flushing for non-1/1-clocked actors. 2021-06-18 18:43:08 -04:00
Thomas Harte 1266bbb224 Makes the TMS a sequence-point-generating JustInTimeActor. 2021-04-05 21:02:37 -04:00
Thomas Harte 837b9499d5 Translates Oric video and Disk II into JustInTimeActors. 2021-04-04 20:43:16 -04:00
Thomas Harte d77ddaf4fa Switches the Electron to JustInTimeActor video. 
Also reorders template parameters; I think that specifying a different time base is likely to be more common than using a divider.
 2021-04-04 17:33:49 -04:00
Thomas Harte 448d9dc3e1 Correct article. 2021-04-04 16:14:47 -04:00
Thomas Harte 158122fbf4 Determine `TargetTimeScale` automatically. 2021-04-04 15:37:07 -04:00
Thomas Harte 417ece2386 Adds a couple of TODOs and some further documentation. 2021-04-04 00:25:22 -04:00
Thomas Harte 77b241af4f Eliminates unused RealTimeActor, provides more feedback from +=, gets specific as to `nodiscard`s. 2021-04-03 21:26:43 -04:00
Thomas Harte 7937cc2d0f Imputes `ClockingHint::Observer` logic into JustInTimeActor. 2021-03-26 23:44:15 -04:00
Thomas Harte 3162873a9c Improves the meaning and result of time_since_flush(). 2020-12-01 18:35:07 -05:00
Thomas Harte 8093f67173 Ensures video interrupts can't be missed by a suitably-timed access. 2020-11-26 16:11:03 -05:00
Thomas Harte bb80e53021 Reduces frequency of video flushes. 2020-11-16 21:55:41 -05:00
Thomas Harte 9a55eb56ea Attempts to provide saner sequence point behaviour. 2020-11-16 19:00:11 -05:00
Thomas Harte 9206ab5dc3 Adds notes to self; implements get_next_sequence_point for video, allowing per-line interrupts. 2020-11-16 14:42:50 -05:00
Thomas Harte 7e39550fc0 Attempts to make JustInTimeActor sequence-point aware. 
With the objective of chopping out a lot of future boilerplate.
 2020-11-15 21:58:18 -05:00
Thomas Harte 287bfeb924 Hacks in 40-column text. 
Hot gossip: my IIgs is reporting a system error. A clue!
 2020-11-08 17:01:23 -05:00
Thomas Harte 699fb0aa4b Switches to just-in-time video, for easy access to a clock divider. 2020-11-07 19:40:26 -05:00
Thomas Harte 3db4a8c312 Attempts to improve vsync deadline estimation. 
Also increases probability of bad estimation being discarded.
 2020-07-27 21:08:00 -04:00
Thomas Harte a096a09c72 Trusts Qt to supply a refresh rate, and handles retina <-> non-retina window transitions. 2020-06-30 23:03:39 -04:00
Thomas Harte 3ddc1a1722 Eliminates hard-coded concept of timer jitter. 2020-06-25 23:59:44 -04:00
Thomas Harte 9d4b49bbb5 Attempts to be more rigorous in vsync prediction. 2020-06-23 22:59:12 -04:00
Thomas Harte b96f7711e3 Corrects attempt at back-to-UI final window SDI behaviour. 
Maybe it'll turn out to be not what I want, but at least now it works.
 2020-06-22 22:36:36 -04:00
Thomas Harte 240d3c482b Removes redundant constructors. 2020-06-19 23:26:22 -04:00
Thomas Harte 79833deeaf With some attempt at vsync prediction, seeks to smooth audio/video output. 
There's plenty more work to do here, but hopefully it takes the issue immediately off the table.
 2020-06-14 19:26:56 -04:00
Thomas Harte 512a52e88d Increases const correctness, marks some additional constructors as constexpr, switches std::atomic construction style. 2020-05-20 23:34:26 -04:00
Thomas Harte 31c6faf3c8 Adds a bunch of `const`s. 2020-05-09 21:23:52 -04:00
Thomas Harte 886d923e30 Attempts to permit fixed speed multiplication. 2020-02-10 23:30:32 -05:00
Thomas Harte 0b0a7e241b Factors out the stuff of time warping. 2020-02-09 22:11:06 -05:00
Thomas Harte 705d14259c Experimentally switches to a 'high-resolution' clock for SDL. 2020-02-09 21:44:55 -05:00
Thomas Harte ee16095863 Withdraws `advance_to_next`; once it has to cope with simultaneous events it stops being faster than `advance`. 
I could possibly try to deal with those at insertion time, but it'd get messy.
 2020-01-29 22:45:10 -05:00
Thomas Harte f0a6e0f3d5 Splits out the queue management stuff from queue+action. 
Temporarily breaks ST video in the endeavour.
 2020-01-29 22:18:41 -05:00
Thomas Harte 8c4fb0f688 Extends the DeferredQueue to allow out-of-order enqueing. 2020-01-29 21:49:52 -05:00