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2023-07-08modules/rkt: pile of __WIN32__ concessionsVito Caputo
This seems to make things work well enough for mingw+wine Will probably revisit in the future. Adding an ewouldblock helper rather than duplicating the ifdeffery seems likely Let's just leave it like this for now and find out if a real windows test succeeds
2023-07-08modules/rkt: switch to inet_addr()Vito Caputo
This is available in win32, unlike inet_aton()
2023-07-08til: add timersub macro for __WIN32__Vito Caputo
just quick and nasty hacking to make win32 build again
2023-07-08til: measure til_module_render() durationsVito Caputo
This stows the duration (in ticks (which are ms for now)) of a given module context's most recent, as well as tracking the max, in til_module_context_t. For now it's also added to --print-module-contexts output, but this is still rather primitive and nearly inscrutible in practice... that output is a flickery and unsorted mess during playback. But this is just a start. Ticks may need to move up to microseconds if it'll also be the units for measuring timings. Right now things are slow enough that the low-hanging fruit stand out as multiple if not dozens of milliseconds so it's still useful for now.
2023-07-08modules/checkers: stop setting til_frame_plan_t.cpu_affinityVito Caputo
In the early days of checkers when I introduced fill_module= with the per-cpu contexts to still allow threaded rendering, the whole seed passing to contexts thing wasn't as well sorted out. This meant the contexts often produced vastly different outputs despite being the same module, same seed, and same settings. The consequence of that was that w/fill_module checkers would produce crazy randomized output when you expected the same output in the filled cells. But by using .cpu_affinity (which I had to implement just for this use case actually) at least the different outputs would become stable. It was a band-aid over a different problem that still needed sorting out. Nowadays, it seems like this is improved enough at least for alphazed to look correct without the affinity hack, so I'm removing it because it really kills checkers threaded performance. Whatever modules remain uncooperative WRT seed reproducibility, they'll just need to be fixed up.
2023-07-08modules/shapes: use new approximate atan2 functionVito Caputo
While here also did more minor optimizations moving things out of the inner loops that were only there out of laziness...
2023-07-08modules/shapes: introduce an approximate atan2f()Vito Caputo
Taken from this excellent post: https://mazzo.li/posts/vectorized-atan2.html While I haven't gone full vectorized, just getting rid of the regular atan2f() call will be a big improvement. This just adds the functionality, nothing is calling it yet.
2023-07-07til: introduce til_ticks_now()Vito Caputo
Thin wrapper around gettimeofday(), prolly change the main ticks stuff over to this too.
2023-07-07modules/shapes: make threadedVito Caputo
This is just a first stab at threading shapes... whenever shapes finds itself in a scene it easily becomes a significant bottleneck, threading is a trivial path to improving that somewhat. While at it I also got rid of the need for _checked() variants which also helps a bit. But nothing here is proper optimization of the routines.. there's too much math happening per pixel in a naive fashion.
2023-07-07modules/rkt: cleanup some stale commentsVito Caputo
2023-07-06modules/rkt: omit unnecessary return variableVito Caputo
trivial simplification
2023-07-06modules/rkt: fix scener send error handlingVito Caputo
Silly typo, one of those fun C instances where it's surprising how silently mostly-working such a blatant mistake can be. For posterity: The way this was even observed as having an affect is while verifying graceful handling of connections broken while in the listen backlog. With an active scener session idle at the prompt, start another telnet, connecting without receiving any banner (queued via backlog), ^]cl that backlogged telnet. Then start another telnet in the same way. Now go to the idle scener session and quit. The latest telnet would just sit there, seemingly blocked behind the broken-while-backlogged connection. But what was really happening was the banner send got the error on the broken connection after accepting, as you'd expect. This bug in the errno tests prevented detecting the genuine error though, leaving the broken session connected indefinitely. Fun!
2023-07-05modules/rkt: fix recv loop to continue on non-NLVito Caputo
After putting the recv() in a for(;;) to not have to render a frame per byte received, I completely dropped the ball on moving the return and adding the continue to actually finish the change. This makes creating new scenes via pasting long settings strings far less laggy. A future improvement would be to not recv() a byte at a time, but this really isn't a perf-sensitive thing.
2023-07-05modules/rkt: basic support for Rocket reconnectsVito Caputo
This changes things so rkt won't exit with an error @ startup if RocketEditor isn't already listening. It also tolerates RocketEditor going away, and will show a "OFFLINE" overlay status text should that happen w/connect=on. Some status text has also been added to the "EXIT SCENE" 99999 scene for both the RocketEditor connection and the scener enabled/disabled status. No indicator yet for if scener has a connection though, only if it's listening or not via listen=on.
2023-07-05modules/rkt: trivial editscene message formatting fixupVito Caputo
Remove spurious space
2023-07-05modules/rkt: drop unused output variableVito Caputo
2023-07-05modules/rkt: rkt_scener_send_message() in another spotVito Caputo
Trivial related indentation adjustment too
2023-07-05modules/rkt: introduce a rudimentary scenes editorVito Caputo
This adds a BBS-style interface for creating new scenes in a live rkt session. It listens on tcp port 54321 on localhost by default, just use telnet to connect, the rest is fairly self-explanatory. This is still early days, but it's a whole lot more than nothing.
2023-07-05setup: return failed desc _path_ from setup_interactively()Vito Caputo
Returning the failed desc was just a lazy half-assed thing that was sort of the best option in the simpler, pre-paths world. But now that everything has paths thanks to recursive settings, let's just return the path to the failed setting's desc. This conveniently gets rid of a UAF bug when setup returned the setting->desc as the failed desc, and main would print the desc *after* freeing all the settings in its final moments. But the best part is now more of the errors parsing settings should be accompanied by an illuminatingly relevant setting path. Previously you'd at best get a bare key from the desc, but often no failed desc was returned at all and you saw no guidance at all. But with the recent improvements to the setup error handling I think those cases should be few if not entirely eliminated.
2023-07-05git: add build to .gitignoreVito Caputo
tired of this polluting `git status`
2023-07-05til: more strictly filter til_module_setup()Vito Caputo
It was too coarse a condition filtering the list on !name. This change actually looks up non-NULL names to verify it's a resolvable module name before producing the unfiltered list. Mostly just to prevent fat-fingered manual module inputs from resulting in unexpectedly larger and potentially dangerous module lists in interactive "invalid input" retries. Observed in the WIP rkt_scener stuff...
2023-07-05til: describe module name in til_module_setup_randomize()Vito Caputo
It just happened to be tolerable that the first setting in these randomized settings instances wasn't ever getting described... due to the ad-hoc nature of how rtv used them. But in preparation for rkt_scener which will have "randomize scene" functionality, as well as interactive (re)configuring of the scenes, these settings instances need to be more correct to not break things. It seems awkward to be duplicating this "Renderer module" desc here however. But I just want to make progress on the scene editor for rkt, I suspect this will be revisited in the future. On a high-level it feels like til_module_setup() should be the thing producing that desc, and the randomizer just picking the random settings through that setup func.
2023-07-05modules/rkt: resolve module_name->til_module_t in setupVito Caputo
With the "ref" builtin module established and seeming to work well enough, it looks unlikely we'll need access to unresolvable module names in the contexts. The thinking originally was that these names might have special syntax making them more generic. E.g something like "@/module/rkt/scenes/[1]/drizzle" for a module_name would have been supported, which would get resolved either at context create or even later (as in the ref builtin) at render time. But the ref builtin is using a path setting, so module names just stay module names. Maybe in the future a special syntax will be added for brevity reasons, but it does make the code more complicated vs. module names just being names and resolving them entirely at setup time. Anyhow, this commit does away with the module_name in the context's scenes. You can still access it via til_module_context_t.module.name anyways... it's basically just a resolution-of-name-to-context time constraint that's being codified now.
2023-07-05setup: separate res_setup setup_func callVito Caputo
This is just temporary until all the setup_funcs always return a res_setting on -EINVAL. Currently they only cover this requirement when res_setup is NULL...
2023-07-04til_settings: free descs in til_settings_reset_descs()Vito Caputo
fix desc leak
2023-07-04modules/*: return invalid setting on -EINVAL in setupVito Caputo
In the interests of improving error handling of interactive setups, return the setting that was invalid when setup returns -EINVAL. For now this is only supported for non-finalized/non-baking setup calls, i.e. (!res_setup). In the future I want this also supported for finalizing when res_setup is set. A lot of the -EINVAL returns are actually during that stage (or need to be added) due to that being when the more sensitive parsing occurs going from strings to native numeric types and such. The main reason it's not already being done in this commit is it'll churn quite a bit to get there, since the setup funcs don't generally have the setting pointers onhand at that phase. It'll require changing the string-value-centric local variables to instead all be the til_setting_t* holding those values. And if setup funcs aren't going to be so value-centric, the settings API will likely change to not even return the values directly anymore and only return the full-blown til_settings_t as the main return pointer, perhaps rid of their res_setting use even. Anyway, while here I did some random little cleanups too.
2023-07-04til_settings: add til_setting_desc_strprint_path() variantVito Caputo
There was only til_setting_desc_fprint_path() (for setup_interactively()), but for rkt_scener this stuff has to go out the socket and the queueing mechanism is built around til_str_t so let's get a til_str_t-centric variant in there.
2023-07-04til_module_context: untap early in module_context_free()Vito Caputo
This was a UAF bug when the context being freed contained a driving tap... just careless placement of the untap call. It needs to occur before destroying the context, because module contexts are often used to store the til_tap_t instances.
2023-07-04til: make til_modlue_setup() nested usage awareVito Caputo
When setting up a nested module, the HERMETIC modules shouldn't be considered as eligible nor should one be the preffered option (rtv). This uses the presence of a parent on the settings as a heuristic for if it's a nested scenario (no parent == root). When nested the default changes to "compose" from "rtv", and HERMETIC modules are omitted from the listed values.
2023-07-04til: optionally finalize in til_module_setup()Vito Caputo
This was assuming non-NULL res_setup which would assert in til_module_setup_finalize() which doesn't expect a NULL res_setup since that's its entire purpose. It's not a bug that was actually triggered by any callers (yet)
2023-07-04til_stream: add missing include stdio for FILE*Vito Caputo
trivial change
2023-07-04til_str: mechanical rename s/seed/string/Vito Caputo
I get why I called this seed at the time as it was the starting string of a potentially larger buildup... but it's just ambiguous naming with the other more descriptive uses of seed in the tree, and isn't even really appropriate.
2023-07-04til_settings: add way to change the settings labelVito Caputo
In rkt_scener it's desirable to fully construct a new settings instance *before* wiring it into the parent rkt/scenes settings. But the way these positional settings labels get constructed depends on the parent's settings entries. So it becomes a chicken-egg problem to require the proper label @ creation before its containing setting is even added in the parent's entries. With this change a temporary WIP label can be used while constructing the settings instance, then amend it once we know the settings instance is complete and ready to join the party.
2023-07-04til_settings: add ability to get at settings parentVito Caputo
Introduce til_settings_get_parent(), impetus being so til_module_setup() can infer if it's hermetic-appropriate or not.
2023-07-04til_str: exclude \0 from res_len for til_str_buf()/til_str_to_buf()Vito Caputo
It's more ergonomic more often to behave consistently with strlen() here, plus it's just the established mental model. While here I made til_settings_path_as_buf() private as nothing external uses it, it's essentially just a logically distinct private helper function from the public wrappers around it. Dragged into this changeset due to clarifying some naming/semantics as it's one of the few til_str_to_buf() callers. But nobody was actually passing a non-NULL res_bufsz/res_len to it anyways, as its use is minimal.
2023-07-04til_str: introduce til_str_chomp()Vito Caputo
Helper for trimming off a trailing CRNL or NL if present Clearly I once knew perl if this is the name that came to mind
2023-07-04til_str: fix va_start/va_end usage in til_str_newf()Vito Caputo
You can't just reuse the ap in multiple calls to vsnprintf without restarting... fixed in the obvious way
2023-07-04modules/rkt: discretize rkt_context_t.scenes[]Vito Caputo
Make this a distinct heap allocation so it can be enlarged when editing the scenes... (preparatory commit for scenes editing)
2023-06-24modules/rkt: move rkt types to a headerVito Caputo
Preparatory commit for adding an interactive scene editing server of sorts. It'll go in a separate listing, but needs these types as it'll operate on rkt_context_t->scenes[].
2023-06-24til_fb: trivial struct indentation fixupVito Caputo
I think this got messed up in the shift to libtil
2023-06-24sdl_fb: keep spare pages on free listVito Caputo
See previous commits re: drm_fb/mem_fb
2023-06-23sdl_fb: quit on ESC keypressVito Caputo
Let's some a more user-friendly ways of exiting...
2023-06-23til_fb: prevent 0-height slicesVito Caputo
til_fb_fragment_slice_single() and indirectly til_fragmenter_slice_per_cpu() could get into infinite loops when slicing small fragments into many slices. This became more likely with commit a2f7397 which increased per_cpu slice counts by 16X, which is how I tripped over it running rtv. A checkers,size=8,fill_module=moire sent things spinning... This commit prevents it in the obvious manner.
2023-06-19drm_fb: keep spare pages on a free listVito Caputo
See previous commit re: mem_fb
2023-06-19mem_fb: keep spare pages on a free listVito Caputo
Snapshotting made page alloc/free more frequent, and modules/mixer really hammers on snapshots in fade mode... drizzle as well, but mixer snapshots both module outputs per frame. So by keeping these around the reclaimed page snapshots can be held onto at within the fb as spares for quicker allocation. In practice it should just hit a high water mark of a working set for spare pages, once in a steady state, assuming snapshots aren't leaking. Future commits will replicate this change in {drm,sdl}_fb
2023-06-19til: use 16 * n_cpus in til_fragmenter_slice_per_cpu()Vito Caputo
Slight improvement of CPU utilization for fragmenters using this strategy... I noticed tile64 would give better FPS in some scenarios where it seemed obvious slice_per_cpu() was the appropriate option. And that turned out to just be by virtue of being able to give idle threads something to do while busy ones finished what was on their plate. So just make the slices a bit more granular than n_cpus... this may have to be revisited in the future to find the sweet spot, and may need to be more sophisticated than just multiplying by a constant factor.
2023-06-16modules/moire: lose unnecessary branch in inner loopVito Caputo
I had benchmarked this change and it showed no difference at all on my 2c/4c i7 X230. But having just tried it on an RPi4B where it moved the test case from 54FPS to 60FPS, a +10% improvement, it's worth the readability loss. It's interesting how Intel's cleverness discourages optimizing in ways that benefit probably *all* the competition... even when the optimization is such a minor change in terms of effort.
2023-06-16modules/moire: some simple optimizationsVito Caputo
Major gain comes from eliminating the cosf() from the inner loop... There's still a bunch left on the table for moire but even just these changes turn 19FPS into 81FPS over here for: '--module=compose,layers=moire\\\,centers\\\=2\,moire\\\,centers\\\=2\,moire\\\,centers\\\=2\,moire\\\,centers\\\=2,texture=none' '--video=mem,size=1366x768'
2023-06-15modules/rkt: drop vestigial TODO comment about handlesVito Caputo
This was written when module names were going to have an @/path/to/context "handle" syntax. But instead I went the "ref" builtin module route, with path=/path/to/context as a setting. While it's more verbose in the settings, it "just works" everywhere that can take a module+settings because the ref builtin is just another module like any other. So this TODO is referring to something that won't happen in a "ref" builtin world.
2023-06-15modules/rkt: end the stream on scene 99999Vito Caputo
This conditionally will end the stream on scene 99999 if connect=off (playback mode) When connect=on it'll just make it show an "EXIT SCENE" diagnostic instead of the "NO SCENE" message. Now you just stick 99999 in the rkt:scene track to end the show. It's assumed 99999 scenes will never be needed...
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