Ok, I overestimated the size of the lookup texture. I've now implemented the hq2x algorithm and it runs at a pretty favourable frame rate.
Are the developers interested in merging this? If so, which version of xmame would you like me to diff against?
Cool, amazing how fast you've done this. I think that Lawrence will be very interested in this. I've just committed my promised effect rewrite to (MESS) CVS, I would prefer a patch against CVS, then I or Christopher Stone can merge it if Lawrence gives the greenlight, or Lawrence can merge it himself.
Me effect rewrite shouldn't hinder you except that: -scanlines effect now have both a horizontal and a vertical version -hq2x currently is not available in software, and as such can no longer be selected with -effect, this is easy to fix though, just add it back to src/unix/sysdep/sysdep_display.h and adjust the EFFECT_SCAN_V, SCAN_H and LAST defines
Is this for nvidea cards only or should this also work on ATI cards?
About the effects in opengl mode, could you make it work like the Xv driver? (-video-mode 1) This one uses for example scale2x or scale3x todo the "basic" scaling and then letts the hardware do any further nescesarry stretching for fullscreen / arbitrary window resizing.
Regards,
Hans
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