Details
-
Bug
-
Resolution: Done
-
P1: Critical
-
5.9.4, 5.10.1, 5.12
-
Windows 10, msvc 2015
-
8cab87677a7ad61b63f778e945404c0bbe13e8c7 (qt/qtdeclarative/5.12)
Description
To reproduce, run the attached example:
import QtQuick 2.9 import QtQuick.Controls 2.2 ApplicationWindow { visible: true width: 640 height: 480 Component { id: cmp ComboBox { model: 1 delegate: ShaderEffect{} } } Component.onCompleted: Qt.callLater(function(){ cmp.createObject(contentItem) }) }
It throws out:
ASSERT: "engine" in file c:\users\qt\work\qt\qtdeclarative\src\qml\qml\qqmldata_p.h, line 274
1 qt_message_fatal qlogging.cpp 1872 0x7fff626db55b 2 QMessageLogger::fatal qlogging.cpp 887 0x7fff626d9d32 3 qt_assert qglobal.cpp 3201 0x7fff626caa4b 4 QQmlData::ensurePropertyCache qqmldata_p.h 280 0x7fff642cff92 5 QQuickOpenGLShaderEffectCommon::connectPropertySignals qquickopenglshadereffect.cpp 248 0x7fff61ae9c7a 6 QQuickOpenGLShaderEffectCommon::updateShader qquickopenglshadereffect.cpp 440 0x7fff61aeb338 7 QQuickOpenGLShaderEffect::maybeUpdateShaders qquickopenglshadereffect.cpp 970 0x7fff61aedf8d 8 QQuickShaderEffectPrivate::updatePolish qquickshadereffect.cpp 870 0x7fff61addf74 9 QQuickWindowPrivate::polishItems qquickwindow.cpp 310 0x7fff618ca982 10 QSGWindowsRenderLoop::renderWindow qsgwindowsrenderloop.cpp 468 0x7fff6181986c 11 QSGWindowsRenderLoop::render qsgwindowsrenderloop.cpp 391 0x7fff618192aa 12 QSGWindowsRenderLoop::exposureChanged qsgwindowsrenderloop.cpp 300 0x7fff61818c53 13 QQuickWindow::exposeEvent qquickwindow.cpp 230 0x7fff618bd7df 14 QWindow::event qwindow.cpp 2310 0x7fff6352fe2b 15 QQuickWindow::event qquickwindow.cpp 1674 0x7fff618bddc0 16 QCoreApplicationPrivate::notify_helper qcoreapplication.cpp 1220 0x7fff62ac486e 17 doNotify qcoreapplication.cpp 1150 0x7fff62ac60d8 18 QCoreApplication::notify qcoreapplication.cpp 1137 0x7fff62ac1e41 19 QGuiApplication::notify qguiapplication.cpp 1792 0x7fff6350e0b4 20 QCoreApplication::notifyInternal2 qcoreapplication.cpp 1060 0x7fff62ac38b6 21 QCoreApplication::sendSpontaneousEvent qcoreapplication.cpp 1463 0x7fff62ac375b 22 QGuiApplicationPrivate::processExposeEvent qguiapplication.cpp 3067 0x7fff63514592 23 QGuiApplicationPrivate::processWindowSystemEvent qguiapplication.cpp 1903 0x7fff63513bbc 24 QWindowSystemInterface::sendWindowSystemEvents qwindowsysteminterface.cpp 1077 0x7fff634e1f95 25 QWindowSystemInterface::flushWindowSystemEvents qwindowsysteminterface.cpp 1037 0x7fff634e21c2 26 QWindowsWindow::handleWmPaint qwindowswindow.cpp 1902 0x7fff621faf2c 27 QWindowsContext::windowsProc qwindowscontext.cpp 1219 0x7fff6221f087 28 qWindowsWndProc qwindowscontext.cpp 1567 0x7fff622158d5 29 CallWindowProcW USER32 0x7fffb4d5b85d 30 CallWindowProcW USER32 0x7fffb4d5b40b 31 rx::SurfaceWindowProc SurfaceD3D.cpp 280 0x7fff603bf2f0 32 CallWindowProcW USER32 0x7fffb4d5b85d 33 CallWindowProcW USER32 0x7fffb4d5b54c 34 GetTopWindow USER32 0x7fffb4d719c3 35 KiUserCallbackDispatcher ntdll 0x7fffb6e33d44 36 NtUserDispatchMessage win32u 0x7fffb3491744 37 DispatchMessageW USER32 0x7fffb4d5b272 38 QEventDispatcherWin32::processEvents qeventdispatcher_win.cpp 640 0x7fff62b84f68 39 QWindowsGuiEventDispatcher::processEvents qwindowsguieventdispatcher.cpp 74 0x7fff622d3004 40 QEventLoop::processEvents qeventloop.cpp 139 0x7fff62abdae3 41 QEventLoop::exec qeventloop.cpp 225 0x7fff62abdd1e 42 QCoreApplication::exec qcoreapplication.cpp 1363 0x7fff62ac13af 43 QGuiApplication::exec qguiapplication.cpp 1780 0x7fff6350e048 44 main main.cpp 13 0x7ff71b3c29ad 45 WinMain qtmain_win.cpp 97 0x7ff71b3c60c5 46 invoke_main exe_common.inl 107 0x7ff71b3c48cd 47 __scrt_common_main_seh exe_common.inl 283 0x7ff71b3c47c7 48 __scrt_common_main exe_common.inl 326 0x7ff71b3c468e 49 WinMainCRTStartup exe_winmain.cpp 17 0x7ff71b3c4959 50 BaseThreadInitThunk KERNEL32 0x7fffb4801fe4 51 RtlUserThreadStart ntdll 0x7fffb6dfcb31