Method enable

Engine/source/postFx/postEffect.cpp:1571–1597

}

void PostEffect::enable()
{
   // Don't add TexGen PostEffects to the PostEffectManager!
   if ( mRenderTime == PFXTexGenOnDemand )
      return;

   // Ignore it if its already enabled.
   if ( mEnabled )
      return;

   mEnabled = true;

   // We cannot really enable the effect 
   // until its been registed.
   if ( !isProperlyAdded() )
      return;

   // If the enable callback returns 'false' then 
   // leave the effect disabled.
   if ( !onEnabled_callback() )   
   {
      mEnabled = false;
      return;
   }

   PFXMGR->_addEffect( this );
}

void PostEffect::disable()
{