Method vtkglColorMask

Rendering/OpenGL2/vtkOpenGLState.cxx:418–435

}

void vtkOpenGLState::vtkglColorMask(GLboolean r, GLboolean g, GLboolean b, GLboolean a)
{
  vtkOpenGLCheckStateMacro();
  auto& cs = this->Stack.top();

#ifndef NO_CACHE
  if (cs.ColorMask[0] != r || cs.ColorMask[1] != g || cs.ColorMask[2] != b || cs.ColorMask[3] != a)
#endif
  {
    cs.ColorMask[0] = r;
    cs.ColorMask[1] = g;
    cs.ColorMask[2] = b;
    cs.ColorMask[3] = a;
    ::glColorMask(r, g, b, a);
  }

  vtkCheckOpenGLErrorsWithStack("glColorMask");
}

void vtkOpenGLState::ClearColor(std::array<GLclampf, 4> val)
{