F9 Slow To Redraw on old machine

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F9 Slow To Redraw on old machine

Postby therube » Wed Aug 07, 2019 4:11 pm

F9 Slow To Redraw on old machine

No big deal & just to note, but it is.
Hit F9 & take out your eraser & watch as boxes 13 & 14 are erased from the screen.

BRU 3.1
XP e4300, 2 GB RAM, NVIDIA GeForce4 MX 440 graphics (zoom, zoom ;-))
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Re: F9 Slow To Redraw on old machine

Postby Admin » Thu Aug 08, 2019 12:19 am

Thanks, strange.... what is the Windows version on the PC?
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Re: F9 Slow To Redraw on old machine

Postby therube » Thu Aug 08, 2019 1:59 am

XP, SP3 (with SSE2 support).

Actually a fine running ("business") machine - within limits (so no, I'm not playing videos...).
I'll just chalk it up to old (ancient) hardware that just isn't jiving with the particular code that repaints the screen as 13: & 14: are removed.
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Re: F9 Slow To Redraw on old machine

Postby Admin » Thu Aug 08, 2019 3:10 am

We have used some new Windows API functions to improve GUI painting in BRU in this latest release, this should improve flickering and smoothness of the redraw.
But I think on XP these new functions are not available and maybe that is what you are seeing...
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