Method GetTextureUnit

Rendering/OpenGL2/vtkOpenGLTexture.cxx:88–95

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
int vtkOpenGLTexture::GetTextureUnit()
{
  if (this->TextureObject)
  {
    return this->TextureObject->GetTextureUnit();
  }
  return -1;
}

//------------------------------------------------------------------------------
void vtkOpenGLTexture::CopyTexImage(int x, int y, int width, int height)