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animation is frozen
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store elements in octrees as raw pointers. Use for faster allocation in LLVolumeFace::createOctree.
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No performance difference measured
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A classic LLEventAPI subclass calls LLEventDispatcher::add() methods in its
own constructor. At that point, addMethod() can reliably dynamic_cast its
'this' pointer to the new subclass.
But because of the way LazyEventAPI queues up add() calls, they're invoked in
the (new) LLEventAPI constructor itself. The subclass constructor body hasn't
even started running, and LLEventDispatcher::addMethod()'s dynamic_cast to the
LLEventAPI subclass returns nullptr. addMethod() claims the new subclass isn't
derived from LLEventDispatcher, which is confusing since it is.
It works to change addMethod()'s dynamic_cast to static_cast.
Flesh out lazyeventapi_test.cpp. post() maps with "op" keys to actually try to
engage the registered operation. Give the operation an observable side effect;
use ensure_mumble() to verify. Also verify that LazyEventAPI has captured the
subject LLEventAPI's metadata in a way we can retrieve.
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deleting a classified
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LazyEventAPI is a registrar that implicitly instantiates some particular
LLEventAPI subclass on demand: that is, when LLEventPumps::obtain() tries to
find an LLEventPump by the registered name.
This leverages the new LLEventPumps::registerPumpFactory() machinery. Fix
registerPumpFactory() to adapt the passed PumpFactory to accept TypeFactory
parameters (two of which it ignores). Supplement it with
unregisterPumpFactory() to support LazyEventAPI instances with lifespans
shorter than the process -- which may be mostly test programs, but still a
hole worth closing. Similarly, add unregisterTypeFactory().
A LazyEventAPI subclass takes over responsibility for specifying the
LLEventAPI's name, desc, field, plus whatever add() calls will be needed to
register the LLEventAPI's operations. This is so we can (later) enhance
LLLeapListener to consult LazyEventAPI instances for not-yet-instantiated
LLEventAPI metadata, as well as enumerating existing LLEventAPI instances.
The trickiest part of this is capturing calls to the various
LLEventDispatcher::add() overloads in such a way that, when the LLEventAPI
subclass is eventually instantiated, we can replay them in the new instance.
LLEventAPI acquires a new protected constructor specifically for use by a
subclass registered by a companion LazyEventAPI. It accepts a const reference
to LazyEventAPIParams, intended to be opaque to the LLEventAPI subclass; the
subclass must declare a constructor that accepts and forwards the parameter
block to the new LLEventAPI constructor. The implementation delegates to the
existing LLEventAPI constructor, plus it runs deferred add() calls.
LLDispatchListener now derives from LLEventStream instead of containing it as
a data member. The reason is that if LLEventPumps::obtain() implicitly
instantiates it, LLEventPumps's destructor will try to destroy it by deleting
the LLEventPump*. If the LLEventPump returned by the factory function is a
data member of an outer class, that won't work so well. But if
LLDispatchListener (and by implication, LLEventAPI and any subclass) is
derived from LLEventPump, then the virtual destructor will Do The Right Thing.
Change LLDispatchListener to *not* allow tweaking the LLEventPump name. Since
the overwhelming use case for LLDispatchListener is LLEventAPI, accepting but
silently renaming an LLEventAPI subclass would ensure nobody could reach it.
Change LLEventDispatcher's use of std::enable_if to control the set of add()
overloads available for the intended use cases. Apparently this formulation is
just as functional at the method declaration point, while avoiding the need to
restate the whole enable_if expression at the method definition point.
Add lazyeventapi_test.cpp to exercise.
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This anticipates C++17's std::apply(), and in fact once we detect C++17, we'll
just use that. But in C++14 we must still provide our own implementation.
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Likely a corrupted install, warn user to reinstall viewer
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to pick up generalized LLEventAPI add() methods and softer error handling.
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Instead of checking whether an add() parameter is exactly LLSD or LLSDMap,
check whether it's convertible to LLSD -- which handles those cases and more.
(cherry picked from commit fa168c11f64771dadc5df86d14ca2f07eba3b8ba)
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Previously, LLEventAPI intentionally hid all but one of the many add()
overloads supported by its LLEventDispatcher base class. The reason was that
certain of the add() methods take an optional fourth parameter that's an
LLSD::Map describing the expected parameter structure, while others take a
fourth templated parameter that's an instance getter callable. This led to
ambiguity, especially when passed an LLSDMap instance that's convertible to
LLSD but isn't literally LLSD. At the time, it was simpler to constrain the
add() methods inherited from LLEventDispatcher.
But by adding new std::enable_if constraints to certain LLEventDispatcher
add() methods, we've resolved the ambiguities, so LLEventAPI subclasses can
now use any add() overload (as claimed on the relevant Confluence page).
LLEventDispatcher comments have always loftily claimed that an instance getter
callable may return either a pointer or a reference, doesn't matter. But it
does when trying to pass the getter's result to boost::fusion::push_back(): a
reference must be wrapped with std::ref() while a pointer cannot be.
std::ref(pointer) produces errors. Introduce LLEventDispatcher::invoker::
bindable() overloads to Do The Right Thing whether passed a pointer or a
reference.
(cherry picked from commit 743f487c2e123171c9fc6d5b84d768f1d856d569)
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Originally the LLEventAPI mechanism was primarily used for VITA testing. In
that case it was okay for the viewer to crash with LL_ERRS if the test script
passed a bad request.
With puppetry, hopefully new LEAP scripts will be written to engage
LLEventAPIs in all sorts of interesting ways. Change error handling from
LL_ERRS to LL_WARNS. Furthermore, if the incoming request contains a "reply"
key, send back an error response to the requester.
Update lleventdispatcher_test.cpp accordingly.
(cherry picked from commit de0539fcbe815ceec2041ecc9981e3adf59f2806)
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and registerTypeFactory().
Untested.
This will support registering just-in-time LLEventAPI instances, instantiated
on demand.
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ThreadPool
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The work queue callback binds "this". This is deemed safe due to current dependencies, but see the associated comment in the return callback. There was some trial and error to get a this-binded lambda to compile.
Due to LLVorbisDecodeState writing to disk off-thread, limit audio decodes proportional to general worker thread count. Guess the thread count for now.
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(cherry picked from commit 41d6a0e222241606c317281e2f0b211e16813dd5)
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into DRTVWR-543-maint_cmake
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Plus some focus and interactibility fixes
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At the moment without cursor handling
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fixed 'remove_proto' being active even if there is no photo.
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