Qt 5.15.8 (x86_64-little_endian-lp64 shared (dynamic) release build; by GCC 5.3.1 20160406 (Red Hat 5.3.1-6)) on "xcb" 
OS: CentOS Linux 7 (Core) [linux version 3.10.0-1160.53.1.el7.x86_64]

Architecture: x86_64; features: SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX

Environment:
  QTDIR="/usr/lib64/qt-3.3"
  QTINC="/usr/lib64/qt-3.3/include"
  QTLIB="/usr/lib64/qt-3.3/lib"
  QT_GRAPHICSSYSTEM_CHECKED="1"
  QT_PLUGIN_PATH="/usr/lib64/kde4/plugins:/usr/lib/kde4/plugins:/home/schwarz/.kde/lib64/kde4/plugins/:/usr/lib64/kde4/plugins/"

Features: QT_NO_EXCEPTIONS

Library info:
  PrefixPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64
  DocumentationPath: /home/schwarz/Qt5.15.8/Docs/Qt-5.15.8
  HeadersPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64/include
  LibrariesPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64/lib
  LibraryExecutablesPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64/libexec
  BinariesPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64/bin
  PluginsPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64/plugins
  ImportsPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64/imports
  Qml2ImportsPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64/qml
  ArchDataPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64
  DataPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64
  TranslationsPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64/translations
  ExamplesPath: /home/schwarz/Qt5.15.8/Examples/Qt-5.15.8
  TestsPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64/tests
  SettingsPath: /home/schwarz/Qt5.15.8/5.15.8/gcc_64

Standard paths [*...* denote writable entry]:
  DesktopLocation: "Desktop" */home/schwarz/Desktop*
  DocumentsLocation: "Documents" */home/schwarz/Documents*
  FontsLocation: "Fonts" */home/schwarz/.local/share/fonts* /home/schwarz/.fonts /home/schwarz/.local/share/flatpak/exports/share/fonts /var/lib/flatpak/exports/share/fonts /usr/local/share/fonts /usr/share/fonts
  ApplicationsLocation: "Applications" */home/schwarz/.local/share/applications* /home/schwarz/.local/share/flatpak/exports/share/applications /var/lib/flatpak/exports/share/applications /usr/local/share/applications /usr/share/applications
  MusicLocation: "Music" */home/schwarz/Music*
  MoviesLocation: "Movies" */home/schwarz/Videos*
  PicturesLocation: "Pictures" */home/schwarz/Pictures*
  TempLocation: "Temporary Directory" */tmp*
  HomeLocation: "Home" */home/schwarz*
  AppLocalDataLocation: "Application Data" */home/schwarz/.local/share/QtProject/qtdiag* /home/schwarz/.local/share/flatpak/exports/share/QtProject/qtdiag /var/lib/flatpak/exports/share/QtProject/qtdiag /usr/local/share/QtProject/qtdiag /usr/share/QtProject/qtdiag
  CacheLocation: "Cache" */home/schwarz/.cache/QtProject/qtdiag*
  GenericDataLocation: "Shared Data" */home/schwarz/.local/share* /home/schwarz/.local/share/flatpak/exports/share /var/lib/flatpak/exports/share /usr/local/share /usr/share
  RuntimeLocation: "Runtime" */run/user/1540801141*
  ConfigLocation: "Configuration" */home/schwarz/.config* /etc/xdg
  DownloadLocation: "Download" */home/schwarz/Downloads*
  GenericCacheLocation: "Shared Cache" */home/schwarz/.cache*
  GenericConfigLocation: "Shared Configuration" */home/schwarz/.config* /etc/xdg
  AppDataLocation: "Application Data" */home/schwarz/.local/share/QtProject/qtdiag* /home/schwarz/.local/share/flatpak/exports/share/QtProject/qtdiag /var/lib/flatpak/exports/share/QtProject/qtdiag /usr/local/share/QtProject/qtdiag /usr/share/QtProject/qtdiag
  AppConfigLocation: "Application Configuration" */home/schwarz/.config/QtProject/qtdiag* /etc/xdg/QtProject/qtdiag

File selectors (increasing order of precedence):
  en_US unix linux centos

Network:
  Using "OpenSSL 1.1.1k  FIPS 25 Mar 2021", version: 0x101010bf

Platform capabilities: ThreadedPixmaps OpenGL ThreadedOpenGL WindowMasks MultipleWindows ForeignWindows NonFullScreenWindows NativeWidgets WindowManagement SyncState RasterGLSurface SwitchableWidgetComposition

Style hints:
  mouseDoubleClickInterval: 400
  mousePressAndHoldInterval: 800
  startDragDistance: 10
  startDragTime: 500
  startDragVelocity: 0
  keyboardInputInterval: 400
  keyboardAutoRepeatRate: 30
  cursorFlashTime: 1000
  showIsFullScreen: 0
  showIsMaximized: 0
  passwordMaskDelay: 0
  passwordMaskCharacter: U+25CF
  fontSmoothingGamma: 1.7
  useRtlExtensions: 0
  setFocusOnTouchRelease: 0
  tabFocusBehavior: Qt::TabFocusAllControls 
  singleClickActivation: 1

Additional style hints (QPlatformIntegration):
  ReplayMousePressOutsidePopup: 0

Theme:
  Platforms requested : kde,generic
            available : gtk3,snap,flatpak,xdgdesktopportal
  Styles requested    : oxygen,Oxygen,fusion,windows
         available    : Windows,Fusion
  Icon theme          : oxygen, oxygen from /home/schwarz/.icons,/home/schwarz/.local/share/icons,/home/schwarz/.local/share/flatpak/exports/share/icons,/usr/share/icons,/usr/share/icons
  System font         : "Sans Serif" 10

Fonts:
  General font : "Sans Serif" 10
  Fixed font   : "Monospace" 10
  Title font   : "DejaVu Sans" 12
  Smallest font: "DejaVu Sans" 12

Palette:
  QPalette::WindowText: #ff221f1e
  QPalette::Button: #ffdfdcd9
  QPalette::Light: #ffffffff
  QPalette::Midlight: #ffffffff
  QPalette::Dark: #ff6f6e6c
  QPalette::Mid: #ff959391
  QPalette::Text: #ff1f1c1b
  QPalette::BrightText: #ffffffff
  QPalette::ButtonText: #ff221f1e
  QPalette::Base: #ffffffff
  QPalette::Window: #ffd6d2d0
  QPalette::Shadow: #ff000000
  QPalette::Highlight: #ff43ace8
  QPalette::HighlightedText: #ffffffff
  QPalette::Link: #ff0057ae
  QPalette::LinkVisited: #ff644a9b
  QPalette::AlternateBase: #fff8f7f6
  QPalette::NoRole: #ff000000
  QPalette::ToolTipBase: #ff181513
  QPalette::ToolTipText: #ffe7fdff
  QPalette::PlaceholderText: #801f1c1b

Screens: 1, High DPI scaling: inactive
# 0 "DP-5" Depth: 24 Primary: yes
  Manufacturer: Iiyama North America
  Model: PL4071UH-
  Serial number: 16843009
  Geometry: 3840x2160+0+0 Available: 3840x2100+0+0
  Physical size: 878x485 mm  Refresh: 59.9966 Hz Power state: 0
  Physical DPI: 111.089,113.122 Logical DPI: 96,96 Subpixel_None
  DevicePixelRatio: 1 Pixel density: 1
  Primary orientation: 2 Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0

LibGL Vendor: NVIDIA Corporation
Renderer: NVS 510/PCIe/SSE2
Version: 4.6.0 NVIDIA 470.63.01
Shading language: 4.60 NVIDIA
Format: Version: 4.6 Profile: 2 Swap behavior: 0 Buffer size (RGB): 8,8,8 Depth buffer: 24
Profile: None (QOpenGLFunctions_4_6)

Unable to create a Vulkan instance, error code is0


Qt Rendering Hardware Interface supported backends:
OpenGL (with default QSurfaceFormat):
  Min Texture Size: 1
  Max Texture Size: 16384
  Max Color Attachments: 8
  Frames in Flight: 1
  Uniform Buffer Alignment: 1
  Supported MSAA sample counts: 1,2,4,8,16,32
  Features:
    - MultisampleTexture
    v MultisampleRenderBuffer
    - DebugMarkers
    - Timestamps
    v Instancing
    - CustomInstanceStepRate
    v PrimitiveRestart
    v NonDynamicUniformBuffers
    v NonFourAlignedEffectiveIndexBufferOffset
    v NPOTTextureRepeat
    - RedOrAlpha8IsRed
    v ElementIndexUint
    v Compute
    v WideLines
    v VertexShaderPointSize
    v BaseVertex
    - BaseInstance
    v TriangleFanTopology
    v ReadBackNonUniformBuffer
    v ReadBackNonBaseMipLevel
  Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC2 BC3 ETC2_RGB8 ETC2_RGB8A1 ETC2_RGBA8 ASTC_4x4 ASTC_5x4 ASTC_5x5 ASTC_6x5 ASTC_6x6 ASTC_8x5 ASTC_8x6 ASTC_8x8 ASTC_10x5 ASTC_10x6 ASTC_10x8 ASTC_10x10 ASTC_12x10 ASTC_12x12