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2019-12-18modules/rtv: remove stale random settings commentVito Caputo
Since 7a77cc1a landed this is no longer true, the .random member will be used to support randomizing non multiple-choice settings.
2019-11-23rototiller: pass num_cpus to .create_context()Vito Caputo
Back in the day, there was no {create,destroy}_context(), so passing num_cpus to just prepare_frame made sense. Modules then would implicitly initialize themselves on the first prepare_frame() call using a static initialized variable. Since then things have been decomposed a bit for more sophisticated (and cleaner) modules. It can be necessary to allocate per-cpu data structures and the natural place to do that is @ create_context(). So this commit wires that up. A later commit will probably have to plumb a "current cpu" identifier into the render_fragment() function. Because a per-cpu data structure isn't particularly useful if you can't easily address it from within your execution context.
2019-11-20settings: add setting_desc_t.random() methodVito Caputo
To facilitate random setting of these flexible string-oriented settings, support a random helper supplied with the description. This helper would return a valid random string to be used with the respective setting being described. Immediate use case is the rtv module, which also gets fixed up to use it in this commit.
2019-11-19rtv: randomize module settingsVito Caputo
This is just a quick stab at randomizing settings, only multiple choice setings are randomized currently. For modules with settings, a new Settings: field is added to the caption showing the settings as the arguments one would pass to rototiller's module argument.
2019-11-16modules/rtv: conslidate time() callsVito Caputo
Consolidate the time() calls in setup_next_module() by using a now variable.
2019-11-16modules/rtv: fix repeat preventionVito Caputo
This broke when snow was added.
2019-11-16modules/rtv: add captionsVito Caputo
The idea is to have captions similar to how MTV did back in the 80s. It'd be nice to make the text resolution independent, but this is a good first stab for an afternoon of tooling around.
2019-11-14rtv: add some snow between module switchesVito Caputo
This uses the newly added snow module as a transition between modules
2019-11-14rtv: implement "Rototiller TV" rendererVito Caputo
This is sort of a meta renderer, as it simply renders other modules in its prepare_frame() stage. They're still threaded as the newly public rototiller_module_render() utilizes the threading machinery, it just needs to be called from the serial phase @ prepare_frame(). I'm pretty sure this module will leak memory every time it changes modules, since the existing cleanup paths for the modules hasn't needed to be thorough in the least. So that's something to fix in a later commit, go through all the modules and make sure their destroy_context() entrypoints actually cleans everything up. See the source for some rtv-specific TODOs.
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