I'm sorry to send this message ones more. I still have no any answer.
Additional info. I use Matrox G100  with 4meg memory

May be is a good idea to add an accelerator functions trigger in GGI
interface to give possibility to switch off some accelerator function in
case of bad hardware.
Best regards. Dmitry

-----Original Message-----
From: Dmitry Semenov [mailto:[EMAIL PROTECTED]]
Sent: Friday, October 29, 1999 4:17 PM
To: [EMAIL PROTECTED]
Subject: problems over matrox fb


Hi
I'm sorry if this is well known problem

I use LibGGI 2.0beta2
I've just tested some ggi drawing function over matrox fb.
I tested 1024x768 F2 with full screen clipping and also partly screen
clipping(something like 10, 0, 1024, 768).
I've found that DrawLine and DrawBox(at least) function have problems when
first (at least) coordinate X is negative.
Sample:
ggiDrawLine(-10, 20, 90, 120);
ggiDrawBox(-10, 20, 100, 100);

line left top end is pointed somewhere else -10, 20
Box disappeared from the screen

I have no problem with X target. I never tested vesafb.


Best regards, Dmitry

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