qt.webenginecontext: 

Chromium GL Backend: desktop
Surface Type: OpenGL
Surface Profile: NoProfile
Surface Version: 3.0
QSG RHI Backend: OpenGL
Using Supported QSG Backend: yes
Using Software Dynamic GL: yes
Using Shared GL: yes
Using Multithreaded OpenGL: no

Init Parameters:
  *  application-name simplebrowser 
  *  browser-subprocess-path C:\Qt\TQtC\6.2.12\msvc2019_64\bin\QtWebEngineProcess.exe 
  *  disable-blink-features EyeDropperAPI 
  *  disable-es3-gl-context  
  *  disable-features ConsolidatedMovementXY,InstalledApp,EyeDropper,BackgroundFetch,WebOTP,WebPayments,WebUSB,PictureInPicture 
  *  disable-gpu-rasterization  
  *  disable-speech-api  
  *  enable-features NetworkServiceInProcess2,TracingServiceInProcess 
  *  enable-threaded-compositing  
  *  ignore-gpu-blocklist  
  *  in-process-gpu  
  *  use-gl desktop 

QWindowsGLContext::makeCurrent: wglMakeCurrent() failed (The pixel format is invalid.)
qt.qpa.backingstore: composeAndFlush: makeCurrent() failed
[32344:32224:0509/152402.010:ERROR:shared_context_state.cc(362)] OOP raster support disabled: GrContext creation failed.
[32344:32224:0509/152402.010:ERROR:gpu_channel_manager.cc(961)] ContextResult::kFatalFailure: Failed to InitializeGrContext for SharedContextState
[32344:32224:0509/152402.010:ERROR:shared_image_stub.cc(451)] SharedImageStub: unable to create context
[32344:32224:0509/152402.010:ERROR:gpu_channel.cc(601)] GpuChannel: Failed to create SharedImageStub
[32344:32224:0509/152402.016:ERROR:shared_context_state.cc(362)] OOP raster support disabled: GrContext creation failed.
[32344:32224:0509/152402.016:ERROR:gpu_channel_manager.cc(961)] ContextResult::kFatalFailure: Failed to InitializeGrContext for SharedContextState
[32344:32224:0509/152402.016:ERROR:shared_image_stub.cc(451)] SharedImageStub: unable to create context
[32344:32224:0509/152402.016:ERROR:gpu_channel.cc(601)] GpuChannel: Failed to create SharedImageStub