QOpenGLStaticContext::QOpenGLStaticContext this= 0x4fb482a0a0 ThreadId= 4828 wglCreateContextAttribsARB= 0x76f69860 
Calling wglCreateContextAttribsARB() for  QSurfaceFormat(version 2.0, options QFlags() , depthBufferSize  24 , redBufferSize  -1 , greenBufferSize  -1 , blueBufferSize  -1 , alphaBufferSize  -1 , stencilBufferSize  8 , samples  -1 , swapBehavior  2 , profile   0 )   hdc 0xffffffffc5010f7b  shared= 0x0 
wglCreateContextAttribsARB() succeeded  
RenderThread::RenderThread RenderThread(0x4fb49bdf00) 
QOpenGLStaticContext::QOpenGLStaticContext this= 0x4fb482b9f0 ThreadId= 4976 wglCreateContextAttribsARB= 0x76f69860 
Calling wglCreateContextAttribsARB() for  QSurfaceFormat(version 2.1, options QFlags(0x4) , depthBufferSize  24 , redBufferSize  8 , greenBufferSize  8 , blueBufferSize  8 , alphaBufferSize  8 , stencilBufferSize  8 , samples  0 , swapBehavior  2 , profile   0 )   hdc 0xffffffffa9011004  shared= 0x20000 
ARB::createContext: wglCreateContextAttribsARB() failed 0502. ()
GDI::createContext: wglShareLists() failed. (The requested resource is in use.)