Method SetContext

Rendering/OpenGL2/vtkTextureObject.cxx:242–271

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//------------------------------------------------------------------------------
void vtkTextureObject::SetContext(vtkOpenGLRenderWindow* renWin)
{
  this->ResourceCallback->RegisterGraphicsResources(renWin);

  // avoid pointless reassignment
  if (this->Context == renWin)
  {
    return;
  }

  this->ResetFormatAndType();

  this->Context = nullptr;
  this->Modified();
  // all done if assigned null
  if (!renWin)
  {
    return;
  }

  if (!this->LoadRequiredExtensions(renWin))
  {
    vtkErrorMacro("Required OpenGL extensions not supported by the context.");
    return;
  }

  // initialize
  this->Context = renWin;
  this->Context->MakeCurrent();
}

//------------------------------------------------------------------------------
vtkOpenGLRenderWindow* vtkTextureObject::GetContext()