Path: utzoo!utgpu!jarvis.csri.toronto.edu!utcsri!me!radio!cks
From: cks@radio.toronto.edu (Chris Siebenmann)
Newsgroups: comp.sys.amiga
Subject: Re: Clipping
Message-ID: <1027@radio.toronto.edu>
Date: 24 Feb 88 07:02:34 GMT
Article-I.D.: radio.1027
Posted: Wed Feb 24 02:02:34 1988
References: <658@sandino.quintus.UUCP> <386@imagine.PAWL.RPI.EDU>
Reply-To: cks@radio.UUCP (Chris Siebenmann)
Organization: Newsaholics Anonymous/Gold Disk Inc
Lines: 15
Keywords: windows clipping rastport
Summary: what does InstallClipRegion() do internally?

In article <386@imagine.PAWL.RPI.EDU> beowulf!lunge!jesup@steinmetz.UUCP writes:
>	Ah!  One of the lesser-known new functions in 1.2 Intuition is the
>call InstallClipRegion().

 InstallClipRegion() is great, and very useful. Unfortunately, it
seems to have a fair amount of overhead; we got significant speedups
in the refresh code of an application by getting rid of redundant
InstallClipRegion()s. Does anyone know what it does internally that
makes it slow?

-- 
	"I shall clasp my hands together and bow to the corners of the world."
			Number Ten Ox, "Bridge of Birds"
Chris Siebenmann		{allegra,mnetor,decvax,pyramid}!utgpu!radio!cks
cks@radio.toronto.edu	     or	...!utgpu!{chp!hak!ziebmef,ontmoh}!cks