[AD] [WIN] (little) windowed driver bug

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To: "Allegro conductors" <conductors@xxxxxxxxxx>
Subject: [AD] [WIN] (little) windowed driver bug
From: "Eric Botcazou" <ebotcazou@xxxxxxxxxx>
Date: Fri, 19 Jan 2001 17:36:04 +0100

When you draw onto a sub-bitmap of the screen bitmap, the screen may not be
updated because the dirty lines mechanism doesn't take the y offset of the
sub-bitmap into account.
The fix is attached.

--
Eric Botcazou (ebotcazou@xxxxxxxxxx)
Web Site: http://www.multimania.com/ebotcazou

Attachment: asmlock.zip
Description: Zip compressed data

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