Upgrade to Qt6 by ksuprynowicz · Pull Request #1848 · overte-org/overte

ksuprynowicz · 2025-10-12T16:56:12Z

No description provided.

ada-tv · 2025-10-18T19:17:33Z

Interesting warnings

[10/19 05:14:51] [DEBUG] [default] OffscreenQmlSurface::onFocusObjectChanged object is not QQuickItem

[10/19 05:14:48] [DEBUG] [hifi.entities] bad avatarEntityData json "71626a..." (elided, very long blob of hex digits)

ada-tv · 2025-10-18T19:37:02Z

Random crash related to entity fading with a very long backtrace:

Thread 73 "RenderThread" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fff397fa6c0 (LWP 152514)]
0x0000555555882984 in std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_get_use_count (this=0x100000001)
    at /usr/include/c++/15.2.1/bits/shared_ptr_base.h:229
229	        return __atomic_load_n(&_M_use_count, __ATOMIC_RELAXED);
(gdb) bt
#0  0x0000555555882984 in std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_get_use_count (this=0x100000001)
    at /usr/include/c++/15.2.1/bits/shared_ptr_base.h:229
#1  std::_Sp_counted_base<(__gnu_cxx::_Lock_policy)2>::_M_add_ref_lock_nothrow
    (this=0x100000001) at /usr/include/c++/15.2.1/bits/shared_ptr_base.h:271
#2  0x000055555588b414 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count (this=0x7fff397f6518, __r=<optimized out>)
    at /usr/include/c++/15.2.1/bits/shared_ptr_base.h:1256
#3  0x00007fffeae3827a in std::__shared_ptr<ZoneEntityItem, (__gnu_cxx::_Lock_policy)2>::__shared_ptr (this=this@entry=0x7fff397f6510, __r=...)
    at /usr/include/c++/15.2.1/bits/shared_ptr_base.h:1739
#4  0x00007fffeae254a1 in std::shared_ptr<ZoneEntityItem>::shared_ptr
    (this=0x7fff397f6510, __r=<error reading variable: Cannot access memory at address 0x100000009>) at /usr/include/c++/15.2.1/bits/shared_ptr.h:535
#5  std::weak_ptr<ZoneEntityItem>::lock (this=0x55557e60c4a8)
    at /usr/include/c++/15.2.1/bits/shared_ptr.h:874
#6  EntityTreeRenderer::LayeredZones::hasFade
    (this=0x55556c6349f0, type=type@entry=TransitionType::ELEMENT_ENTER_DOMAIN)
    at /home/ada/src/overte-qt6/libraries/entities-renderer/src/EntityTreeRenderer.cpp:1532
#7  0x00007fffeae8d0ba in EntityTreeRenderer::layeredZonesHaveFade
    (this=<optimized out>, type=TransitionType::ELEMENT_ENTER_DOMAIN)
    at /home/ada/src/overte-qt6/libraries/entities-renderer/src/EntityTreeRenderer.h:150
#8  render::entities::ModelEntityRenderer::doRenderUpdateAsynchronousTyped
    (this=0x55557c45e170, entity=warning: RTTI symbol not found for class 'std::_Sp_counted_deleter<RenderableModelEntityItem*, RenderableModelEntityItem::factory(EntityItemID const&, EntityItemProperties const&)::{lambda(RenderableModelEntityItem*)#1}, std::allocator<void>, (__gnu_cxx::_Lock_policy)2>'
warning: RTTI symbol not found for class 'std::_Sp_counted_deleter<RenderableModelEntityItem*, RenderableModelEntityItem::factory(EntityItemID const&, EntityItemProperties const&)::{lambda(RenderableModelEntityItem*)#1}, std::allocator<void>, (__gnu_cxx::_Lock_policy)2>'
std::shared_ptr<RenderableModelEntityItem> (use count 20, weak count 2) = {...})
    at /home/ada/src/overte-qt6/libraries/entities-renderer/src/RenderableModelEntityItem.cpp:1414
#9  0x00007fffeae1255c in render::entities::TypedEntityRenderer<RenderableModelEntityItem>::doRenderUpdateAsynchronous
    (this=0x55557c45e170, entity=<optimized out>)
    at /home/ada/src/overte-qt6/build/libraries/entities-renderer/entities-renderer_autogen/UVLADIE3JM/../../../../../libraries/entities-renderer/src/RenderableEntityItem.h:234
#10 0x00007fffeae551c5 in operator()
    (__closure=<optimized out>, self=<optimized out>)
    at /home/ada/src/overte-qt6/libraries/entities-renderer/src/RenderableEntityItem.cpp:547
#11 0x00007fffeae55229 in std::__invoke_impl<void, render::entities::EntityRenderer::updateInScene(const render::ScenePointer&, render::Transaction&)::<lambda(render::PayloadProxyInterface&)>&, render::PayloadProxyInterface&>
    (__f=<optimized out>) at /usr/include/c++/15.2.1/bits/invoke.h:62
#12 std::__invoke_r<void, render::entities::EntityRenderer::updateInScene(const render::ScenePointer&, render::Transaction&)::<lambda(render::PayloadProxyInterface&)>&, render::PayloadProxyInterface&> (__fn=<optimized out>)
    at /usr/include/c++/15.2.1/bits/invoke.h:113
#13 std::_Function_handler<void(render::PayloadProxyInterface&), render::entities::EntityRenderer::updateInScene(const render::ScenePointer&, render::Transaction&)::<lambda(render::PayloadProxyInterface&)> >::_M_invoke(const std::_Any_data &, render::PayloadProxyInterface &)
    (__functor=<optimized out>, __args#0=<optimized out>)
    at /usr/include/c++/15.2.1/bits/std_function.h:292
#14 0x00007fffeae6664e in std::function<void(render::PayloadProxyInterface&)>::operator() (this=this@entry=0x555581aa7908, __args#0=<optimized out>)
    at /usr/include/c++/15.2.1/bits/std_function.h:593
#15 0x00007fffeae66696 in render::Payload<render::PayloadProxyInterface>::update (this=0x55557c45e820, functor=<optimized out>)
    at /home/ada/src/overte-qt6/libraries/render/src/render/Item.h:648
#16 0x00007fffe72e4333 in render::Item::update
    (this=this@entry=0x7fff344f02a0, updateFunctor=std::shared_ptr<render::Item::UpdateFunctorInterface> (use count 2, weak count 0) = {...})
    at /home/ada/src/overte-qt6/libraries/render/src/render/Item.cpp:78
#17 0x00007fffe72f68cb in render::Scene::updateItems
    (this=this@entry=0x5555565f7b50, transactions=std::vector of length 136, capacity 136 = {...}) at /usr/include/c++/15.2.1/tuple:249
#18 0x00007fffe72f7a06 in render::Scene::processTransactionFrame
    (this=this@entry=0x5555565f7b50, transaction=...)
    at /home/ada/src/overte-qt6/libraries/render/src/render/Scene.cpp:272
#19 0x00007fffe72f7c9d in render::Scene::processTransactionQueue
    (this=0x5555565f7b50)
    at /home/ada/src/overte-qt6/libraries/render/src/render/Scene.cpp:246
#20 0x00007fffe73059f0 in render::PerformSceneTransaction::run
    (this=this@entry=0x55556ec63648, renderContext=std::shared_ptr<render::RenderContext> (use count 1, weak count 0) = {...})
    at /home/ada/src/overte-qt6/libraries/render/src/render/SceneTask.cpp:20
#21 0x00007fffe97480e9 in task::jobRun<render::PerformSceneTransaction, std::shared_ptr<render::RenderContext> >
    (data=..., jobContext=std::shared_ptr<render::RenderContext> (use count 1, weak count 0) = {...}, input=<optimized out>, output=...)
    at /home/ada/src/overte-qt6/libraries/task/src/task/Task.h:101
#22 0x00007fffe9748373 in task::Job<render::RenderContext, render::RenderTimeProfiler>::Model<render::PerformSceneTransaction, render::PerformSceneTransactionConfig, task::JobNoIO, task::JobNoIO>::run
    (this=0x55556ec63610, jobContext=std::shared_ptr<render::RenderContext> (use count 1, weak count 0) = {...})
    at /home/ada/src/overte-qt6/libraries/task/src/task/Task.h:180
#23 0x000055555593f586 in task::Job<render::RenderContext, render::RenderTimeProfiler>::run
    (this=0x55556eaca1b0, jobContext=std::shared_ptr<render::RenderContext> (use count 1, weak count 0) = {...})
    at /home/ada/src/overte-qt6/libraries/task/src/task/Task.h:218
#24 0x00005555559f55a6 in task::Task<render::RenderContext, render::RenderTimeProfiler>::TaskModel<UpdateSceneTask, task::JobConfig, task::JobNoIO, task::JobNoIO>::run
    (this=<optimized out>, jobContext=std::shared_ptr<render::RenderContext> (use count 1, weak count 0) = {...})
    at /home/ada/src/overte-qt6/libraries/task/src/task/Task.h:336
#25 0x000055555593f586 in task::Job<render::RenderContext, render::RenderTimeProfiler>::run
    (this=0x555574851768, jobContext=std::shared_ptr<render::RenderContext> (use count 1, weak count 0) = {...})
    at /home/ada/src/overte-qt6/libraries/task/src/task/Task.h:218
#26 0x00007fffe72dcfc6 in task::Task<render::RenderContext, render::RenderTimeProfiler>::TaskModel<EngineTask, task::JobConfig, task::JobNoIO, task::JobNoIO>::run
    (this=<optimized out>, jobContext=std::shared_ptr<render::RenderContext> (use count 1, weak count 0) = {...})
    at /home/ada/src/overte-qt6/libraries/task/src/task/Task.h:336
#27 0x000055555593f586 in task::Job<render::RenderContext, render::RenderTimeProfiler>::run
    (this=0x55556c701cd0, jobContext=std::shared_ptr<render::RenderContext> (use count 1, weak count 0) = {...})
    at /home/ada/src/overte-qt6/libraries/task/src/task/Task.h:218
#28 0x00007fffe72df98d in task::Engine<render::RenderContext, render::RenderTimeProfiler>::run (this=<optimized out>, jobContext=<optimized out>)
    at /home/ada/src/overte-qt6/libraries/task/src/task/Task.h:525
#29 0x00005555559f5475 in task::Engine<render::RenderContext, render::RenderTimeProfiler>::run (this=<optimized out>)
    at /home/ada/src/overte-qt6/libraries/task/src/task/Task.h:519
#30 0x00005555559f31e8 in GraphicsEngine::render_runRenderFrame
    (this=this@entry=0x55556c71fcb0, renderArgs=renderArgs@entry=0x7fff397f8130) at /home/ada/src/overte-qt6/interface/src/graphics/GraphicsEngine.cpp:130
#31 0x00005555559f4257 in GraphicsEngine::render_performFrame
    (this=0x55556c71fcb0)
    at /home/ada/src/overte-qt6/interface/src/graphics/GraphicsEngine.cpp:293
#32 0x00005555559f484c in operator() (__closure=<optimized out>)
    at /home/ada/src/overte-qt6/interface/src/graphics/GraphicsEngine.cpp:52
#33 std::__invoke_impl<void, GraphicsEngine::initializeGPU(GLWidget*)::<lambda()>&> (__f=<optimized out>) at /usr/include/c++/15.2.1/bits/invoke.h:63
#34 std::__invoke_r<void, GraphicsEngine::initializeGPU(GLWidget*)::<lambda()>&> (__fn=<optimized out>) at /usr/include/c++/15.2.1/bits/invoke.h:113
#35 std::_Function_handler<void(), GraphicsEngine::initializeGPU(GLWidget*)::<lambda()> >::_M_invoke(const std::_Any_data &) (__functor=<optimized out>)
    at /usr/include/c++/15.2.1/bits/std_function.h:292
#36 0x00005555557facee in std::function<void()>::operator()
    (this=this@entry=0x55556d2bfe20)
    at /usr/include/c++/15.2.1/bits/std_function.h:593
#37 0x0000555555a00325 in RenderEventHandler::render
    (this=this@entry=0x55556d2bfdf0)
    at /home/ada/src/overte-qt6/interface/src/graphics/RenderEventHandler.cpp:43
#38 0x0000555555a03198 in RenderEventHandler::event
    (this=0x55556d2bfdf0, event=<optimized out>)
    at /home/ada/src/overte-qt6/interface/src/graphics/RenderEventHandler.cpp:50
#39 0x00007fffdab020a0 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
    () at /usr/lib/libQt6Widgets.so.6
#40 0x0000555555845623 in Application::notify
    (this=0x7fffffffc130, object=0x55556d2bfdf0, event=0x7fff344cc4b0)
    at /home/ada/src/overte-qt6/interface/src/Application_Events.cpp:64
#41 0x00007fffe9d6a6c8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
    () at /usr/lib/libQt6Core.so.6
#42 0x00007fffe9d6aab2 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt6Core.so.6
#43 0x00007fffea04db18 in ??? () at /usr/lib/libQt6Core.so.6
#44 0x00007fffda906f4d in ??? () at /usr/lib/libglib-2.0.so.0
#45 0x00007fffda908617 in ??? () at /usr/lib/libglib-2.0.so.0
#46 0x00007fffda908825 in g_main_context_iteration ()
    at /usr/lib/libglib-2.0.so.0
#47 0x00007fffea04a9d2 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt6Core.so.6
#48 0x00007fffe9d75a86 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt6Core.so.6
#49 0x00007fffe9e8af7e in QThread::exec() () at /usr/lib/libQt6Core.so.6
#50 0x00007fffe9f30ca9 in ??? () at /usr/lib/libQt6Core.so.6
#51 0x00007fffda2969cb in ??? () at /usr/lib/libc.so.6
#52 0x00007fffda31aa0c in ??? () at /usr/lib/libc.so.6

…rs broken

…ce favorite button

…licked

…ound

…tion

* Placeholder icon instead of "no icon" text * Shows currently equipped avatar * Editor for scale and avatar entity addition/deletion

… to exist

Why are there three different formats that are all different to how entities are stored in serverless JSONs???

RTUnreal · 2026-07-18T17:27:24Z

superseeded by #2371

ksuprynowicz added help wanted Extra attention is needed work in progress Do not merge yet labels Oct 12, 2025

ksuprynowicz force-pushed the qt6-upgrade-rebase-1 branch 2 times, most recently from 82cf870 to b381dcd Compare October 12, 2025 18:05

RTUnreal mentioned this pull request Oct 23, 2025

Draft: Nixos support #1782

Merged

5 tasks

ksuprynowicz requested a review from JulianGro as a code owner October 27, 2025 21:37

ksuprynowicz added the NLnet label Oct 31, 2025

ksuprynowicz force-pushed the qt6-upgrade-rebase-1 branch from a4832d1 to cc7f1db Compare January 5, 2026 22:44

ksuprynowicz force-pushed the qt6-upgrade-rebase-1 branch from 82e3f05 to 1a20d5f Compare February 20, 2026 22:58

ksuprynowicz and others added 19 commits March 1, 2026 15:00

Initial upgrade to Qt6

82a7b16

Initial work on upgrading QML to Qt6

db618a5

Get Qt6 compiling and running, get QML starting

1cf1db5

Comment out enough QML to get the desktop starting, though framebuffe…

45aecaf

…rs broken

VrMenu fixes for Qt6, part 1

602b9fd

VRMenu fixes for Qt6

3306d6a

QQuickWebEngineView fixes for Qt6

6bb1bb8

Fix QML OpenGL contexts

b6b953f

Fix a handful of Qt6 crashes, flow now works properly

4832a18

Metaobject-related fixes

98d83d8

Add a check for catching MOC-related invoke bug

3d08b43

Remove glm::quat from scripting API

43c04ff

Remove glm::vec3 from scripting API

6cba217

Smaller script API types fixes for Qt6

fc0eb44

Work around QVariant copy bug

3a36b23

More workarounds for MOC typedef bug

ccb5433

Fixed memory safety issue in ScriptObjectV8Proxy

afc3750

Re-enable QML rendering

9bf393a

Qt6: QML render target now set up properly, QML web entities rendering

e70c8da

ksuprynowicz and others added 27 commits March 1, 2026 15:00

Qt6 input events debugging and fixes

ff57914

Fix MOC issue with pointer scripting on Qt6

a5f5a3f

Fix web entity inputs

ca2ae02

Post-rebase fixes

b7ad1e3

Fixes for existing overhauled QML

1b21148

First pass of More app and Places app

34ef632

Sort by ID instead of alphabetically, quicker 'has users' button, pla…

b1cbb95

…ce favorite button

More app retries, mistake fixups

36a9848

Use periodic shuffling in Places app, prefer places with thumbnails

a50767a

Add nametag visibility to settings

b2d16e4

Show domain in user count, place portals

54b0d00

Fix avatar app edit having empty fields if the "add new" button was c…

56baa11

…licked

Widen portal text entity, update todo list

b0cef7b

Restore HTML places app and shelve the QML one for later

c0d682b

External app list support in More app

f8a2918

More settings

290fa60

Remove YouTube forced 30 FPS on Web entities, WidgetZoo scroll backgr…

69c043b

…ound

Image embeds in chat app

b986f6b

Fix CBOR crashes

69c0562

Fix prefetchAndMoveToThread post-rebase

6893fa5

Update settings

52acb67

fix qt6 chat

0be63f0

editable settings spinboxes, local lights setting

dfc2e90

Kinda-working real settings for color scheme/high contrast/reduced mo…

771d6e4

…tion

Avatar app changes

b32b9d7

* Placeholder icon instead of "no icon" text * Shows currently equipped avatar * Editor for scale and avatar entity addition/deletion

Save chat history in chat.js instead of QML, stop forcing chat window…

3c28ed9

… to exist

Fix avatar entity data parsing in avatar app

0bf906a

Why are there three different formats that are all different to how entities are stored in serverless JSONs???

ksuprynowicz force-pushed the qt6-upgrade-rebase-1 branch from b828525 to 0bf906a Compare March 1, 2026 14:02

RTUnreal closed this Jul 18, 2026

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Upgrade to Qt6 - #1848

Upgrade to Qt6#1848
ksuprynowicz wants to merge 118 commits into
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qt6-upgrade-rebase-1

ksuprynowicz commented Oct 12, 2025

Uh oh!

ada-tv commented Oct 18, 2025

Uh oh!

ada-tv commented Oct 18, 2025

Uh oh!

RTUnreal commented Jul 18, 2026

Uh oh!

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ksuprynowicz commented Oct 12, 2025

Uh oh!

ada-tv commented Oct 18, 2025

Uh oh!

ada-tv commented Oct 18, 2025

Uh oh!

RTUnreal commented Jul 18, 2026

Uh oh!

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