[PD] low color.depth in gemwin

Daniel Heckenberg daniel at bogusfront.org
Sun Jul 14 02:50:57 CEST 2002

Hi jakob,

GEM will use a 24 bit buffer for its OpenGL output regardless of the current
windows display depth.  If the display colour depth is lower than this, then
dithering will occur (down to 16 or 8 bit or ...) before it appears on your

So, ensure your windows display depth is set to a reasonable value (prob 16,
24 or 32 bit).

The OpenGL rendering occurring on any particular machine will be either an
accelerated driver associated with your video card, or the microsoft
software renderer.  The appearance and performance of the various renderers
can vary considerably.


> -----Original Message-----
> From: jakob poc [mailto:handlewithcare at angelfire.com]
> Sent: Sunday, 14 July 2002 7:38 AM
> To: pd
> Subject: [PD] low color.depth in gemwin
>  hi this is jakob with a question
> i just installed pd+gem on my machine
> (pd 0.78 / win 2000 )
> so far everything was fine
> but when i play a movi (avi)on the gemwin
> it looks kind of strange-
> the colordepth seams to be to low-
> something like 256 colores
> i saw the samme material on a nother machine of a friend (pd) but
> there it was running quite well
> what could be the reason for that effekt
> maybe sombody has solution for that problem
> thanks very much jakob
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