bool PixelVisibility_IsAvailable()
{
	bool fastqueries = HasFastQueries();
	return r_dopixelvisibility.GetBool() && fastqueries && g_PixelVisibilitySystem.SupportsOcclusion();
}
bool PixelVisibility_IsAvailable()
{
	return r_dopixelvisibility.GetBool() && g_PixelVisibilitySystem.SupportsOcclusion();
}