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2023-11-21modules/mixer: introduce style=interlaceVito Caputo
Another mixing variant. Similar cost to style=blend in that it must render both [ab]_module every frame, but doesn't have the overhead of interpolating the pixels. As-implemented this always interlaces by horizontal line granularity. It'd be nice to be able to vary that with a runtime setting to make it potentially chunkier.
2023-11-21modules/mixer: some random small cleanupsVito Caputo
No functional change except technically the ticks to rads modulo
2023-11-21til_fb: fixup clipping of til_fb_fragment_copy()Vito Caputo
Apparently no existing were really taking advantage of this ability. The x,y,w,h parameters are also supposed to impart clip bounds, should they be smaller than the union of the src and dest fragments.
2023-11-21til_util: fix til_get_ncpus() windows buildsVito Caputo
Prior to eb13ccdb (use sysconf on *nix) this #ifdef bug went unnoticed because the non-MACH code still compiled successfully on windows, just never got executed because the windows block returns. But after eb13ccdb the sysconf stuff needs defines not present for windows and things won't build, uncovering this silliness. Now only build the windows code on windows, and the non-win code everywhere else... with MACH being a special case of the everywhere else default.
2023-11-21modules/playit: tomix must be signed to handle negativesVito Caputo
This can potentially be negative depending on what n_queued returns, and the early-exit comparison considered that by using <= 0 but size_t is unsigned, so it just wraps around then segfaults in the Very Large Copy attempt. Trivial fix, interestingly discovered during windows testing where the SDL driver was readily causing this to go negative - it never happend in linux testing.
2023-11-21modules/rkt: send \r\n instead of \n from scenerVito Caputo
The nature of scener is to also be used from windows clients like windows telnet, but just sending \n to that results in stair-stepping.
2023-11-21modules/{compose,mixer}: more TIL_MODULE_AUDIO_ONLY exceptsVito Caputo
These were missed by 6c657a9
2023-11-19modules/spiro: add some taps for controlling l/k/roundsVito Caputo
This is a bare minimum binding of some critical knobs so rkt can influence spiro
2023-11-18*: apply TIL_MODULE_AUDIO_ONLY where appropriateVito Caputo
This changes modules/playit from experimental to "audio only". Several other modules now incorporate the new flag into their excludes to prevent inclusion where inappropriate.
2023-11-18til: add TIL_MODULE_AUDIO_ONLY flagVito Caputo
For modules like modules/playit, it's desirable to easily keep them out of randomizers picking visual modules to use and the like. Until now that's been achieved via its experimental flag, but that should go away.
2023-11-18modules/flow: silences warnings about implicit castVito Caputo
clang gets upset about this, so make it explicit.
2023-11-18modules/asc: fix asc_setup_t.halign type mismatchVito Caputo
This was surprisingly not angering gcc but throws a warning under clang, it's a real mistake.
2023-11-18libs/playit: bump submodule for prerendered leak fixVito Caputo
When seekable libplayit was leaking the prerendered buf. It's generally harmless since this tends to only occur once per invocation and process exit cleans up anyways. But it's nice to keep ASAN/leak reports free of noise.
2023-11-18til_builtins/pre: introduce "pre" pre-render hook moduleVito Caputo
This adds a new "meta" module which registers itself as a pre-render context on the stream, to render whatever module is specified as the "module=" setting. The impetus for this is background music in rkt creations, so one can avoid enduring the rigamarole of plugging something like a "playit" instance into every scene. With this "pre" builtin one can just use something like "pre,module=playit,itfile=music.it" as a scene, and that will get the playit module playing music.it hooked into the stream, without the need to always have it present in every scene's settings. There's a TODO item noting the need for taps to control the active/inactive state of the pre instance this adds. For now, once you have a "pre", whatever module it contains will be rendered before the main stream context set w/til_stream_set_module_context() gets rendered. That's fine for now, but there will need to be more control especially as more complex productions happen involving multiple songs.
2023-11-18til_builtins/ref: s/render_fragment/render_proxy/Vito Caputo
Since ref can be used to reference any module type by path, including ones that don't touch the fragment, it's inappropriate to integrate via render_fragment() since that will cause an implicit clear of the fragment. This is exactly the type of scenario render_proxy was added for, so use it here.
2023-11-18til: introduce til_module_t.render_proxy() methodVito Caputo
Like til_module_t.render_audio(), this hooks into the render path without triggering the implicit fragment clearing of the usual render_fragment/prepare_frame/finish_frame methods. But unlike render_audio(), it receives the full suite of parameters including the fragment pointer. The impetus for this is implementing builtins that serve as a sort of pass-thru or proxy to another module, like the "ref" builtin (which should probably change to use this instead of its current render_fragment() hook). Because sometimes the proxied module isn't something drawing to the fragment, so the implicit fragment clearing shouldn't occur. But if the proxied module /does/ touch the fragment by implementing one of those methods, then the proxy module's use of til_module_render() would still trigger the implicit clear when appropriate.
2023-11-18til_stream: introduce "pre" module contexts on streamVito Caputo
This adds an api for maintaining a list of pre-render module contexts on-stream which will be rendered via til_stream_render() before rendering hte main module context on the stream that's been set via til_stream_set_module_context(). til_stream_add_pre_module_context() til_stream_del_pre_module_context() are the new functions, no references are taken for now (but comments note the possibility of adding that) This is just a preparatory commit, no real functional difference.
2023-11-18til_stream: drop til_stream_start_frame()Vito Caputo
til_stream_render() bumps the frame counter, so there's no more need for a discrete frame start mechanism.
2023-11-18main: use new til_stream_render() apiVito Caputo
Instead of just calling til_module_render() with the top-level module context, use the newly added til_stream_render() and til_stream_set_module_context() to achieve the same thing. This is a preparatory commit for handling pre/post-render module contexts automagically in til_stream_render(). e.g. stuff like background music would be hooked into the stream as a pre-render context.
2023-11-18til_stream: add til_stream_render()Vito Caputo
This introduces a concept of a stream's module context, which is used to render the stream via til_stream_render(). The context is set using til_stream_set_module_context(), but at this time no reference is taken - it just puts the context into the stream for use by the render calls. The caller is responsible for ensuring it persist as long as the stream uses it. This is a preparatory commit for implementing pre/post render module contexts that get hooked into a stream. The impetus for this is supporting background music via modules like playit, without requiring stuff like rkt scenes to always include the bgm context in the scene's module context heirarchy. Nothing is functionally different here, the commit only adds the new interfaces for setting the context and rendering via stream instead of til_module_render() of the context you'd now set on the stream.
2023-11-18drm_fb: use shadow buffers when device prefers itVito Caputo
I noticed the sdl_fb backend seemed to often have significantly better FPS in fullscreen use vs. drm_fb fullscreen. Looking at the libdrm api I saw this PREFER_SHADOW capability and noticed my laptop's gpu driver sets it... With this change, despite the additional memcpy(), the drm fullscreen FPS seems significantly better. A subsequent commit will make this an overridable runtime setting
2023-11-17modules/rkt: pause audio too on no scene/end pauseVito Caputo
There's already a pause triggered here, but the audio wasn't getting paused as well.
2023-11-14modules/compose: trivial cleanupsVito Caputo
Replace vestigial casted setup dereferences with already present local typed setup variable.
2023-11-14til_stream,rkt,main: add stream audio controlVito Caputo
Until now everything interested in audio just used a plain getter on the stream to get at the context. But with how things work currently, audio is always left in a paused state until explicitly unpaused. This works fine with modules/rkt, which manages pause/unpause explicitly. When there's nothing like modules/rkt in charge though, the audio just sits stuck paused. Meaning if you do some simple thing like --module=playit, it won't ever get unpaused. With this commit, something like modules/rkt takes control of the stream's audio context, in a way that prevents anything else from taking control of the same context on the same stream. That enables having main try take control of the audio context after creating the module contexts, then in the rendering thread ensure the audio is unpaused if main is in control of the audio context and something's queueing audio frames. For now there's no mechanism for releasing control of the audio context. It doesn't seem appropriate to make this more elaborate than necessary. There's basically just two use cases WRT audio: 1. Something like rkt, which takes control once for the process and stays in control until process exit. 2. Something far simpler where nothing's taking control like rkt, and main just needs to get things unpaused when needed because something's generating audio frames.
2023-11-14modules/rkt: begin til_audio integrationsVito Caputo
- til_audio_seek() when Rocket sets the row - til_audio_{pause,unpause}() when Rocket (un)pauses This is of limited use as-is, rkt probably needs a sister concept of scenes for songs, which similarly to scenes would be selected by index in a discrete Rocket track. As-is to make music work one must always incorporate something like a modules/playit context into the current scene so it always gets rendered alongside the visuals. That's quite cumbersome and annoying. Another possibility would be introducing something like a "register" built-in that, like "ref", takes a context path, and maybe something like a pre/post setting. That would put it in the rendering path of the stream before or after any explicit renders... Then all one would need is to register a modules/playit context with the song of interest to have it play, and create that as any other rkt "scene", and reference its context from "register" which could bind a tap for controlling the registered/unregistered state. It needs more fleshing out, but what's here seems worth merging as-is for now.
2023-11-14modules/playit: add an .IT file music player moduleVito Caputo
Rudimentary .IT file music playback via libplayit. When seekable=on, the file is 100% pre-rendered at context create, then simply copied into the audio queue @ render_audio. When seekable=off, the file is mixed incrementally per-frame @ render_audio in max of bufsize=N_frames increments. The bufsize here basically just determines the maximum time spent rendering audio in a single go, and how much tolerance of frame delays due to slow rendering there will be before dropouts occur.
2023-11-14build: build and link libplayitVito Caputo
More preparatory work for adding an .IT file playback module
2023-11-14libs/playit: add libplayit submoduleVito Caputo
Preparatory commit for implementing an .IT file playback module
2023-11-14til: introduce til_module_t.render_audio entrypointVito Caputo
Simple audio rendering modules need a way to render their audio without affecting the fragment's state. By providing a til_module_t.render_audio() a module indicates it's only an audio renderer, and its render won't trigger an implicit clear of the frame's fragment. There might be a new flag added to indicate when modules are audio modules, but this is good enough for now.
2023-11-14til_stream: add til_audio_context_t to til_stream_tVito Caputo
Preliminary means of making the audio context available to modules.
2023-11-14til: add preliminary audio backendVito Caputo
This is an early implementation of something resembling an audio backend for rototiller/libtil. The assumption for now is that everything will use signed 16-bit native-endian stereo output @ 44.1khz.
2023-11-10build: restore -Werror to CFLAGSVito Caputo
f89689b unintentionally removed this for some reason. Just noticed a build with warnings wasn't failing...
2023-11-09sdl_fb: introduce vsync={on,off} settingVito Caputo
Defaults to on, controls inclusion of SDL_RENDERER_PRESENTVSYNC in the flags passed to SDL_CreateRenderer(). Useful for obesrving how high FPS can be with the overhead of the GPU upload, unlike --video=mem which tells you how fast FPS can be entirely headless.
2023-11-09sdl_fb: s/fullscreen_values/bool_values/Vito Caputo
Preparatory commit for a vsync setting sharing these values.
2023-11-09sdl_fb: s/flags/window_flags/Vito Caputo
Preparatory commit for introducing c->renderer_flags to allow vsync configure at runtime.
2023-11-06doc: mention YouTube development playlistVito Caputo
HACKING.txt should point readers interested in such things to the video tutorials now that there's enough content in that playlist to start being potentially useful:
2023-11-06modules/compose: handle layers/texture create failuresVito Caputo
Some trivial error handling improvements for compose... til_module_t.create_context() should really return -errno instead, since some modules try do stuff like opening files or network connections @ create_context().
2023-11-03modules/*: drop til_setup_t.free_func() NULL setup checksVito Caputo
Trivial cleanup. These are unnecessary nowadays since til_setup_free() won't invoke the free_func() on a NULL setup, and everything uses til_setup_free() to free a til_setup_t.
2023-11-02til,checkers: move checkers_rgb_to_uint32() to libtilVito Caputo
Becomes til_rgb_to_uint32(). Nothing functionally changed, just making this generally available for anything wanting to parse an rgb hex string into a uint32 packed pixel in a setup_func.
2023-10-31libs/rocket: bump submodule for new sockio supportVito Caputo
Preparatory commit for implementing nonblocking connects in modules/rkt, shouldn't change anything by itself.
2023-10-23build: tidy up some Makefile.am filesVito Caputo
Been ignoring this mess for too long, just whitespace changes - nothing functionally different. This makes diffs far easier to read when libs or modules get added/removed etc. Some of the other Makefile.am files could use similar tidying, but these are the most commonly messed with in the course of rototiller development.
2023-10-19modules/stub: add a stub sample moduleVito Caputo
Intended as a bootstrap for new module creation, particularly aimed at new contributors. No module context, fragmenting, taps, or settings are implemented, to keep things as simple as possible.
2023-10-16doc: add YouTube playlist URL to READMEVito Caputo
The playlist isn't comprehensive yet, but it's better than nothing for folks that just want to see something before spending time on figuring out how to clone, build, execute, etc.
2023-10-16modules/pixbounce: use float for multiplierVito Caputo
The lack of support for fractional multipliers prevents pixbounce from drawing anything in small frame scenarios, like as a checkers fill_module. You can easily reproduce this by doing: --module=pixbounce,pixmap_size=0.8,pixmap=err --video=sdl,size=64x64 --defaults --go Which after this commit works... While here I did a minor optimization removing some divides, and fixed up the assumption that fragment->{width,height} == fragment->frame_{width,height} in pixbounce_prepare_frame(). It should have been using .frame_{width,height}.
2023-10-11doc: minor HACKING.txt fixupVito Caputo
2023-10-11modules/compose: don't use *res_setting for textureVito Caputo
This is vestigial from pre-everything's-til_setting_t days, where the local setting values were just the bare char* value, requiring getting at the related til_setting_t via *res_setting. Now that's unnecessary since the local texture variable is now a til_setting_t*, so clean this bit up.
2023-10-11modules/blinds: uninline the per-blind functionsVito Caputo
In the pre-threaded blinds days these were tiny functions, not anymore. Plus it's not like there's very many blinds ever anyways so the number of calls isn't huge, making the syntactic sugar aspect of "inline suggests hot" a bit misleading here.
2023-10-11modules/checkers: staticify checkers_fragment_tile_single()Vito Caputo
Minor oversight when this was written, this fragmenter is private to checkers.
2023-10-04modules/asc: turn into a "built-in" moduleVito Caputo
This deviates from the established pattern of all built-in modules being in til_builtins.c, but that's ok. The main impetus for this is to just get asc out of rotation for randomized compose layers, since it's so uninteresting. But it's also valid as a built-in since it's primarily for diagnostic purposes anyways.
2023-10-03modules/asc: add justify= and [hv]offset= settingsVito Caputo
justify= now supports "aligned" and "offsetted", justify=aligned being the existing behavior where you would specify halign={left,right,center} and valign={top,bottom,center}. When justify=offsetted is specified however, {valign=,halign=} are unused and instead {hoffset=,voffset=} are expected, as either hoffset=auto/voffset=auto for automagic offsetting according to the x/y coords, or explicit offsetting using -1..+1 normalized fractional values serving as coordinates within the rendered text's rectangle where to anchor the x/y coordinate. By using halign=auto,valign=auto one can carelessly vary the x/y coordinates using the taps (i.e. via rkt) without having to deal with justification concerns (modulo large texts that can't possibly fit), as the offsets will automatically adapt according to the coordinates.
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