SynthMaker

Color matrix question

Archive · 2009 7 old posts

From the original SynthMaker forum (2004–2014), with its members’ names and dates.

Nu Audio Science ·

Does it use a lot of CPU ? I seem to be getting CPU spikes, Only small but enough to be worrying and some redraw issues Just wondering if there is anything specific i have to look into to work with the color matrix stuff

Cheers

NAS

oddson ·

I've never actually used it within a project but I can't see why it would be CPU intensive as it's just altering the colour table used for bitmap display. I would think the redraw afterwards would be the larger issue.

aliasant ·

Nu Audio Science wrote: Does it use a lot of CPU ? I seem to be getting CPU spikes, Only small but enough to be worrying and some redraw issues Just wondering if there is anything specific i have to look into to work with the color matrix stuff

Cheers

NAS

It is very CPU intense.

I have been talking to Malc about this. There are also bugs in the Matrix prim. I only wanted to use Alpha on my Bitmaps so that I could mix between 2 bitmaps and it was way cpu intense so I gave it up. I suggested that maybe the Bitmaps needs an Alpha input instead. You guys keep buggin him about it. He might move it up his 2 mile long shitlist.

Nu Audio Science ·

Nah im gonna diss em i think I used em on an animated bmpdraw and damn if it doesnt grind SM to a halt Shame really cause it works really well Im just gonna do my dial in layers and the parts i want dynamically covered i will do with vectors in sm

NAS

MyCo ·

aliasant wrote: I suggested that maybe the Bitmaps needs an Alpha input instead.

This already exists. Search for "bmpdr", there you've got 2 primitives, one with the color matrix and another one with only an alpha input.

aliasant ·

MyCo wrote: aliasant wrote: I suggested that maybe the Bitmaps needs an Alpha input instead.

This already exists. Search for "bmpdr", there you've got 2 primitives, one with the color matrix and another one with only an alpha input.

No. That one doesnt work. I need it to have Source and Destination Area inputs like the one with the Matrix input has.

Acrobat ·

mmh, sorry, never got it to work, or find any "usefulness"... 🙁

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