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This changeset makes it possible to build the Second Life viewer using
Python 3. It is designed to be used with an equivalent Autobuild branch
so that a developer can compile without needing Python 2 on their
machine.
Breaking change: Python 2 support ending
Rather than supporting two versions of Python, including one that was
discontinued at the beginning of the year, this branch focuses on
pouring future effort into Python 3 only. As a result, scripts do not
need to be backwards compatible. This means that build environments,
be they on personal computers and on build agents, need to have a
compatible interpreter.
Notes
- SLVersionChecker will still use Python 2 on macOS
- Fixed the message template url used by template_verifier.py
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(decruftify settings, compatibility pass).
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Introduce LLAppViewer::onCleanup(), a method that accepts a nullary callable
to execute once viewer shutdown begins. Fire the collected callables in
LLAppViewer::cleanup().
In llstartup.cpp, instead of declaring a static unique_ptr and relying on
static object destruction to clean up the "General" ThreadPool, bind the
pointer to the new ThreadPool into an onCleanup() lambda that will delete it
when called. ~ThreadPool() takes care of orderly shutdown.
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Use hard tabs because most of the existing function uses those.
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Reverting a merge is sticky: it tells git you never want to see that branch
again. Merging the DRTVWR-546 branch, which contained the revert, into the
glthread branch undid much of the development work on that branch. To restore
it we must revert the revert.
This reverts commit 029b41c0419e975bbb28454538b46dc69ce5d2ba.
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even if idle() exits early.
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# Conflicts:
# indra/newview/llfloatereditextdaycycle.cpp
# indra/newview/llviewerinput.cpp
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# Conflicts:
# indra/newview/llagentwearables.cpp
# indra/newview/llvoicevivox.cpp
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# Conflicts:
# indra/newview/llvoicevivox.cpp
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Additional logging
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# Conflicts:
# indra/newview/app_settings/settings.xml
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# Conflicts:
# indra/newview/VIEWER_VERSION.txt
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# Conflicts:
# README.md
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# Conflicts:
# doc/contributions.txt
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# Conflicts:
# autobuild.xml
# indra/newview/installers/windows/lang_pl.nsi
# indra/newview/llfloaterpreference.cpp
# indra/newview/llinventorymodel.cpp
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This reverts commit 5188a26a8521251dda07ac0140bb129f28417e49, reversing
changes made to 819088563e13f1d75e048311fbaf0df4a79b7e19.
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Give ThreadPool and WorkQueue the ability to override default
ThreadSafeSchedule capacity.
Instantiate "mainloop" WorkQueue and "General" ThreadPool with very large
capacity because we never want to have to block trying to push to either.
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Use the new WorkQueue::postIfOpen() method in LLImageGLThread::post(). That
makes the LLImageGLThread method a trivial wrapper, which can accept templated
work items and pass them through to the WorkQueue method, eliminating double
indirection due to multiple layers of std::function.
Eliminate LLImageGLThread's WorkQueue intended for work on the main queue.
Since the main loop already has a WorkQueue of its own, post work directly to
that WorkQueue instead of using a separate WorkQueue misleadingly embedded in
LLImageGLThread.
Instead of looking up the main thread's WorkQueue every time, capture a
pointer in LLImageGL's constructor.
We no longer need a fallback queue for when the main thread's WorkQueue is
full. We no longer need the main loop to poll LLImageGL to service the local
main-thread-targeted WorkQueue, or to copy work from the fallback queue to the
main queue. That eliminates LLImageGLThread::postCallback(), mCallbackQueue,
mPendingCallbackQ, executeCallbacks() -- and even LLImageGL::updateClass() and
LLAppViewer's call to it.
Change LLViewerFetchedTexture::scheduleCreateTexture() to post work to the
main thread's WorkQueue instead of calling LLImageGLThread::postCallback().
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This reverts commit 0a745b47880fb16b1db8cd3327377a383dbfe6a8.
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# Conflicts:
# autobuild.xml
# indra/newview/CMakeLists.txt
# indra/newview/installers/darwin/apple-notarize.sh
# indra/newview/llappviewermacosx.cpp
# indra/newview/llappviewerwin32.h
# indra/newview/viewer_manifest.py
# indra/win_crash_logger/llcrashloggerwindows.cpp
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Additional logging
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LLMemTracked, introduce alignas, hook most/all reamining allocs, disable synchronous occlusion, and convert frequently accessed LLSingletons to LLSimpleton
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ThreadPool bundles a WorkQueue with the specified number of worker threads to
service it. Each ThreadPool has a name that can be used to locate its
WorkQueue.
Each worker thread calls WorkQueue::runUntilClose().
ThreadPool listens on the "LLApp" LLEventPump for shutdown notification. On
receiving that, it closes its WorkQueue and then join()s each of its worker
threads for orderly shutdown.
Add a settings.xml entry "ThreadPoolSizes", the first LLSD-valued settings
entry to expect a map: pool name->size. The expectation is that usually code
instantiating a particular ThreadPool will have a default size in mind, but it
should check "ThreadPoolSizes" for a user override.
Make idle_startup()'s STATE_SEED_CAP_GRANTED state instantiate a "General"
ThreadPool. This is function-static for lazy initialization.
Eliminate LLMainLoopRepeater, which is completely unreferenced. Any potential
future use cases are better addressed by posting to the main loop's WorkQueue.
Eliminate llappviewer.cpp's private LLDeferredTaskList class, which
implemented LLAppViewer::addOnIdleCallback(). Make addOnIdleCallback() post
work to the main loop's WorkQueue instead.
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# Conflicts:
# autobuild.xml
# indra/CMakeLists.txt
# indra/llcommon/CMakeLists.txt
# indra/newview/CMakeLists.txt
# indra/newview/llappviewerwin32.h
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# Conflicts:
# autobuild.xml
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# Conflicts:
# autobuild.xml
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Make LLAppViewer::idle() call LL::WorkQueue::runFor() to dequeue and run some
or all of the pending responses from worker threads.
Add a MainWorkTime setting to specify the time slice the main loop may devote
each frame to servicing such responses.
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VAOs by default.
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It feels wrong to return a dumb LLInstanceTracker subclass* from getInstance()
when we use std::shared_ptr and std::weak_ptr internally. But tweak consumers
to use 'auto' or LLInstanceTracker::ptr_t in case we later revisit this
decision.
We did add a couple get() calls where it's important to obtain a dumb pointer.
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