Method DisplayDrawBuffers

Rendering/OpenGL2/vtkOpenGLFramebufferObject.cxx:1087–1119

------------------------------------------------------------------------------ Description: Display the draw buffers.

// Description:
// Display the draw buffers.
void vtkOpenGLFramebufferObject::DisplayDrawBuffers()
{
  GLint ivalue = 1;
  glGetIntegerv(GL_MAX_DRAW_BUFFERS, &ivalue);

  std::cout << "there ";
  if (ivalue == 1)
  {
    std::cout << "is ";
  }
  else
  {
    std::cout << "are ";
  }
  std::cout << ivalue << " draw buffer";
  if (ivalue != 1)
  {
    std::cout << "s";
  }
  std::cout << ". " << endl;

  GLint i = 0;
  int c = ivalue;
  while (i < c)
  {
    glGetIntegerv(GL_DRAW_BUFFER0 + i, &ivalue);

    std::cout << "draw buffer[" << i << "]=";
    this->DisplayBuffer(ivalue);
    std::cout << endl;
    ++i;
  }
}

//------------------------------------------------------------------------------
// Description: