Re: SSAA and FXAA

Ah I figured out why MSAA didn't work for me. I needed to call
SetGlobalMaximumNumberOfMultiSamples before setting the QSurfaceFormat since
QVTKOpenGLWidget::defaultFormat() is dependent on that global max multiple
sample value.


//-----------------------------------------------------------------------------
QSurfaceFormat QVTKOpenGLWidget::defaultFormat()
{
  QSurfaceFormat fmt;
  fmt.setRenderableType(QSurfaceFormat::OpenGL);
  fmt.setVersion(3, 2);
  fmt.setProfile(QSurfaceFormat::CoreProfile);
  fmt.setSwapBehavior(QSurfaceFormat::DoubleBuffer);
  fmt.setRedBufferSize(1);
  fmt.setGreenBufferSize(1);
  fmt.setBlueBufferSize(1);
  fmt.setDepthBufferSize(1);
  fmt.setStencilBufferSize(0);
  fmt.setAlphaBufferSize(1);
  fmt.setStereo(false);
* 
fmt.setSamples(vtkOpenGLRenderWindow::GetGlobalMaximumNumberOfMultiSamples());*
#ifdef DEBUG_QVTKOPENGL_WIDGET
  fmt.setOption(QSurfaceFormat::DebugContext);
#endif
  return fmt;
}




// MSAA is fixed by adding these two lines before creating any
QVTKOpenGLWidget
vtkOpenGLRenderWindow::SetGlobalMaximumNumberOfMultiSamples ( 8 );
QSurfaceFormat::setDefaultFormat ( QVTKOpenGLWidget::defaultFormat() );

Thanks Allie,
Chuan



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