void LLPostProcess::apply(unsigned int width, unsigned int height)
{
	if (!initialized || width != screenW || height != screenH){
		initialize(width, height);
	}
	if (shadersEnabled()){
		doEffects();
	}
}
void LLPostProcess::apply(unsigned int width, unsigned int height)
{
	if(shadersEnabled())
	{
		if (mVBO.isNull() || width != mScreenWidth || height != mScreenHeight)
		{
			initialize(width, height);
		}
		doEffects();
	}
}