[ scummvm-Patches-1536248 ] AdvMame4x and Normal4x

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Patches item #1536248, was opened at 2006-08-07 12:24
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: MikeB (mbandsmer)
Assigned to: Nobody/Anonymous (nobody)
Summary: AdvMame4x and Normal4x

Initial Comment:
This fixes the pre-existing scale4x code and enables it
for the SDL backend.  Also provided is a trivial
Normal4x scaler for comparison.

I also added the #define MAX_SCALER_REACH to make it
clearer where in the code extra borders are required
because of scalers which access surrounding pixels. 
(Before, an implied constant of 1 was used in several
places.)


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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=418822&aid=1536248&group_id=37116