Qt 5.15.1 (x86_64-little_endian-llp64 shared (dynamic) release build; by MSVC 2019) on "windows" 
OS: Windows 7 Version 6.1 (Build 7601: SP 1) [winnt version 6.1.7601]

Architecture: x86_64; features: SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 RTM HLE

Environment:

Features: QT_NO_EXCEPTIONS

Library info:
  PrefixPath: C:\Qt\5.15.1\msvc2019_64
  DocumentationPath: C:\Qt\Docs\Qt-5.15.1
  HeadersPath: C:\Qt\5.15.1\msvc2019_64\include
  LibrariesPath: C:\Qt\5.15.1\msvc2019_64\lib
  LibraryExecutablesPath: C:\Qt\5.15.1\msvc2019_64\bin
  BinariesPath: C:\Qt\5.15.1\msvc2019_64\bin
  PluginsPath: C:\Qt\5.15.1\msvc2019_64\plugins
  ImportsPath: C:\Qt\5.15.1\msvc2019_64\imports
  Qml2ImportsPath: C:\Qt\5.15.1\msvc2019_64\qml
  ArchDataPath: C:\Qt\5.15.1\msvc2019_64
  DataPath: C:\Qt\5.15.1\msvc2019_64
  TranslationsPath: C:\Qt\5.15.1\msvc2019_64\translations
  ExamplesPath: C:\Qt\Examples\Qt-5.15.1
  TestsPath: C:\Qt\5.15.1\msvc2019_64\tests
  SettingsPath: 

Standard paths [*...* denote writable entry]:
  DesktopLocation: "Desktop" *C:\Users\szx\Desktop*
  DocumentsLocation: "Documents" *C:\Users\szx\Documents*
  FontsLocation: "Fonts" *C:\Windows\Fonts*
  ApplicationsLocation: "Applications" *C:\Users\szx\AppData\Roaming\Microsoft\Windows\Start Menu\Programs*
  MusicLocation: "Music" *C:\Users\szx\Music*
  MoviesLocation: "Movies" *C:\Users\szx\Videos*
  PicturesLocation: "Pictures" *C:\Users\szx\Pictures*
  TempLocation: "Temporary Directory" *C:\Users\szx\AppData\Local\Temp*
  HomeLocation: "Home" *C:\Users\szx*
  AppLocalDataLocation: "Application Data" *C:\Users\szx\AppData\Local\QtProject\qtdiag* C:\ProgramData\QtProject\qtdiag C:\Qt\5.15.1\msvc2019_64\bin C:\Qt\5.15.1\msvc2019_64\bin\data C:\Qt\5.15.1\msvc2019_64\bin\data\QtProject\qtdiag
  CacheLocation: "Cache" *C:\Users\szx\AppData\Local\QtProject\qtdiag\cache*
  GenericDataLocation: "Shared Data" *C:\Users\szx\AppData\Local* C:\ProgramData C:\Qt\5.15.1\msvc2019_64\bin C:\Qt\5.15.1\msvc2019_64\bin\data
  RuntimeLocation: "Runtime" *C:\Users\szx*
  ConfigLocation: "Configuration" *C:\Users\szx\AppData\Local\QtProject\qtdiag* C:\ProgramData\QtProject\qtdiag C:\Qt\5.15.1\msvc2019_64\bin C:\Qt\5.15.1\msvc2019_64\bin\data C:\Qt\5.15.1\msvc2019_64\bin\data\QtProject\qtdiag
  DownloadLocation: "Download" *G:\Downloads*
  GenericCacheLocation: "Shared Cache" *C:\Users\szx\AppData\Local\cache*
  GenericConfigLocation: "Shared Configuration" *C:\Users\szx\AppData\Local* C:\ProgramData C:\Qt\5.15.1\msvc2019_64\bin C:\Qt\5.15.1\msvc2019_64\bin\data
  AppDataLocation: "Application Data" *C:\Users\szx\AppData\Roaming\QtProject\qtdiag* C:\ProgramData\QtProject\qtdiag C:\Qt\5.15.1\msvc2019_64\bin C:\Qt\5.15.1\msvc2019_64\bin\data C:\Qt\5.15.1\msvc2019_64\bin\data\QtProject\qtdiag
  AppConfigLocation: "Application Configuration" *C:\Users\szx\AppData\Local\QtProject\qtdiag* C:\ProgramData\QtProject\qtdiag C:\Qt\5.15.1\msvc2019_64\bin C:\Qt\5.15.1\msvc2019_64\bin\data C:\Qt\5.15.1\msvc2019_64\bin\data\QtProject\qtdiag

File selectors (increasing order of precedence):
  en_US windows winnt

Network:
  Using "OpenSSL 1.1.1g  21 Apr 2020", version: 0x1010107f

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

Style hints:
  mouseDoubleClickInterval: 500
  mousePressAndHoldInterval: 800
  startDragDistance: 10
  startDragTime: 500
  startDragVelocity: 0
  keyboardInputInterval: 400
  keyboardAutoRepeatRate: 32
  cursorFlashTime: 1060
  showIsFullScreen: 0
  showIsMaximized: 0
  passwordMaskDelay: 0
  passwordMaskCharacter: U+25CF
  fontSmoothingGamma: 1.2
  useRtlExtensions: 0
  setFocusOnTouchRelease: 0
  tabFocusBehavior: Qt::TabFocusAllControls 
  singleClickActivation: 0

Additional style hints (QPlatformIntegration):
  ReplayMousePressOutsidePopup: 1

Theme:
  Platforms requested : windows
            available : snap,flatpak,xdgdesktopportal
  Styles requested    : WindowsVista,Windows
         available    : windowsvista,Windows,Fusion
  System font         : "MS Shell Dlg 2" 8
  Native file dialog

Fonts:
  General font : "MS Shell Dlg 2" 8
  Fixed font   : "Courier New" 9
  Title font   : "MS Shell Dlg 2" 8
  Smallest font: "MS Shell Dlg 2" 8

Palette:
  QPalette::WindowText: #ff000000
  QPalette::Button: #fff0f0f0
  QPalette::Light: #ffffffff
  QPalette::Midlight: #ffe3e3e3
  QPalette::Dark: #ffa0a0a0
  QPalette::Mid: #ffa0a0a0
  QPalette::Text: #ff000000
  QPalette::BrightText: #ffffffff
  QPalette::ButtonText: #ff000000
  QPalette::Base: #ffffffff
  QPalette::Window: #fff0f0f0
  QPalette::Shadow: #ff696969
  QPalette::Highlight: #ff3399ff
  QPalette::HighlightedText: #ffffffff
  QPalette::Link: #ff0000ff
  QPalette::LinkVisited: #ffff00ff
  QPalette::AlternateBase: #ffe9e7e3
  QPalette::NoRole: #ff000000
  QPalette::ToolTipBase: #ffffffdc
  QPalette::ToolTipText: #ff000000
  QPalette::PlaceholderText: #80000000

Screens: 1, High DPI scaling: inactive
# 0 "\\.\DISPLAY1" Depth: 32 Primary: yes
  Manufacturer: 
  Model: 
  Serial number: 
  Geometry: 1920x1080+0+0 Available: 1920x1040+0+0
  Physical size: 677x381 mm  Refresh: 75 Hz Power state: 0
  Physical DPI: 72.0355,72 Logical DPI: 96,96 Subpixel_BGR
  DevicePixelRatio: 1 Pixel density: 1
  Primary orientation: 2 Orientation: 2 Native orientation: 0 OrientationUpdateMask: 0

Dynamic GL LibGL Vendor: ATI Technologies Inc.
Renderer: Radeon RX 580 Series
Version: 4.6.14736 Compatibility Profile Context 20.9.1 27.20.12029.1000
Shading language: 4.60
Format: Version: 4.6 Profile: 2 Swap behavior: 2 Buffer size (RGBA): 8,8,8,8 Stencil buffer: 8
Profile: None (QOpenGLFunctions_4_6)

Vulkan instance available
Supported instance extensions:
  VK_KHR_device_group_creation, version 1
  VK_KHR_external_fence_capabilities, version 1
  VK_KHR_external_memory_capabilities, version 1
  VK_KHR_external_semaphore_capabilities, version 1
  VK_KHR_get_physical_device_properties2, version 2
  VK_KHR_get_surface_capabilities2, version 1
  VK_KHR_surface, version 25
  VK_KHR_win32_surface, version 6
  VK_EXT_debug_report, version 9
  VK_EXT_debug_utils, version 2
  VK_EXT_swapchain_colorspace, version 4
Supported layers:
  VK_LAYER_VALVE_steam_overlay, version 1, spec version 1.2.136, Steam Overlay Layer
  VK_LAYER_VALVE_steam_fossilize, version 1, spec version 1.2.136, Steam Pipeline Caching Layer
Available physical devices:
  API version 1.2.149, vendor 0x1002, device 0x67DF, Radeon RX 580 Series, type 2, driver version 2.0.154


GPU #1:
         Card name         : Radeon RX 580 Series
       Driver Name         : aticfx64.dll
    Driver Version         : 27.20.12029.1000
         Vendor ID         : 0x1002
         Device ID         : 0x67DF
         SubSys ID         : 0xE3531DA2
       Revision ID         : 0x00E7

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
  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
Vulkan:
  Min Texture Size: 1
  Max Texture Size: 16384
  Max Color Attachments: 8
  Frames in Flight: 2
  Uniform Buffer Alignment: 16
  Supported MSAA sample counts: 1,2,4,8
  Features:
    v MultisampleTexture
    v MultisampleRenderBuffer
    - DebugMarkers
    v Timestamps
    v Instancing
    - CustomInstanceStepRate
    v PrimitiveRestart
    v NonDynamicUniformBuffers
    v NonFourAlignedEffectiveIndexBufferOffset
    v NPOTTextureRepeat
    v RedOrAlpha8IsRed
    v ElementIndexUint
    v Compute
    v WideLines
    v VertexShaderPointSize
    v BaseVertex
    v 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 BC4 BC5 BC6H BC7
Direct3D 11:
  Min Texture Size: 1
  Max Texture Size: 16384
  Max Color Attachments: 8
  Frames in Flight: 1
  Uniform Buffer Alignment: 256
  Supported MSAA sample counts: 1,2,4,8
  Features:
    v MultisampleTexture
    v MultisampleRenderBuffer
    v DebugMarkers
    v Timestamps
    v Instancing
    v CustomInstanceStepRate
    v PrimitiveRestart
    - NonDynamicUniformBuffers
    v NonFourAlignedEffectiveIndexBufferOffset
    v NPOTTextureRepeat
    v RedOrAlpha8IsRed
    v ElementIndexUint
    v Compute
    - WideLines
    - VertexShaderPointSize
    v BaseVertex
    v BaseInstance
    - TriangleFanTopology
    v ReadBackNonUniformBuffer
    v ReadBackNonBaseMipLevel
  Texture formats: RGBA8 BGRA8 R8 R16 RED_OR_ALPHA8 RGBA16F RGBA32F R16F R32F D16 D32F BC1 BC2 BC3 BC4 BC5 BC6H BC7