Skip to content
  • Categories
  • Recent
  • Tags
  • Popular
  • Users
  • Groups
  • Search
  • Get Qt Extensions
  • Unsolved
Collapse
Brand Logo
  1. Home
  2. Qt Development
  3. QtWebEngine
  4. pyqt5 QWebEngineView turns black screen after long time running?
Forum Updated to NodeBB v4.3 + New Features

pyqt5 QWebEngineView turns black screen after long time running?

Scheduled Pinned Locked Moved Unsolved QtWebEngine
2 Posts 1 Posters 465 Views
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • A Offline
    A Offline
    ArthurPYQT
    wrote on last edited by
    #1

    To test the stability of my program, I open the program for a night. I opened the desktop to find QWebengineView area turns black. How come?

    A 1 Reply Last reply
    0
    • A ArthurPYQT

      To test the stability of my program, I open the program for a night. I opened the desktop to find QWebengineView area turns black. How come?

      A Offline
      A Offline
      ArthurPYQT
      wrote on last edited by
      #2

      @ArthurPYQT

          QGuiApplication.setAttribute(Qt.ApplicationAttribute.AA_UseSoftwareOpenGL)
          QCoreApplication.setAttribute(Qt.ApplicationAttribute.AA_UseSoftwareOpenGL)
          QApplication.setAttribute(Qt.ApplicationAttribute.AA_UseSoftwareOpenGL)
      

      after set these attributes above, everytime I start the program, the cmd
      line reads:

      ARB::createContext: wglCreateContextAttribsARB() failed (GL error code: 0x0) for format: QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize -1, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize -1, samples -1, swapBehavior QSurfaceFormat::DefaultSwapBehavior, swapInterval 1, colorSpace QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::NoProfile), shared context: 0x2 (operation done.)
      GDI::createContext: wglCreateContext failed. (operation done.)
      Unable to create a GL Context.
      qt.qpa.backingstore: composeAndFlush: QOpenGLContext creation failed
      qt.qpa.backingstore: composeAndFlush: makeCurrent() failed
      
      1 Reply Last reply
      0

      • Login

      • Login or register to search.
      • First post
        Last post
      0
      • Categories
      • Recent
      • Tags
      • Popular
      • Users
      • Groups
      • Search
      • Get Qt Extensions
      • Unsolved