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Add a way to run functions on host main thread

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From the plugin side.
This commit is contained in:
Robbert van der Helm
2022-09-11 17:47:20 +02:00
parent f460971165
commit f3d5dd78c4
2 changed files with 60 additions and 3 deletions
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src/plugin/bridges/clap-impls/plugin-proxy.cpp
+11 -3
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@@ -39,7 +39,10 @@ clap_plugin_proxy::clap_plugin_proxy(ClapPluginBridge& bridge,
.get_extension = plugin_get_extension,
.on_main_thread = plugin_on_main_thread,
}),
host_(host) {}
host_(host),
// These function objects are relatively large, and we probably won't be
// getting that many of them
pending_callbacks_(128) {}
bool CLAP_ABI clap_plugin_proxy::plugin_init(const struct clap_plugin* plugin) {
assert(plugin && plugin->plugin_data);
@@ -153,7 +156,12 @@ clap_plugin_proxy::plugin_get_extension(const struct clap_plugin* plugin,
void CLAP_ABI
clap_plugin_proxy::plugin_on_main_thread(const struct clap_plugin* plugin) {
assert(plugin && plugin->plugin_data);
auto self = static_cast<const clap_plugin_proxy*>(plugin->plugin_data);
auto self = static_cast<clap_plugin_proxy*>(plugin->plugin_data);
// TODO: Use this for spooling main thread callbacks
// Functions are pushed to this queue so they can be run on the host's main
// thread
HostCallback callback;
while (self->pending_callbacks_.try_pop(callback)) {
callback();
}
}