[Kst] What do view objects really need?

Theodore Kisner kisner at physics.ucsb.edu
Tue Jul 20 05:34:40 CEST 2004

Are you talking about just the 2D view?  I could imagine needing more colors 
for pixel maps and other 3D representations...


On Monday 19 July 2004 22:50, George Staikos wrote:
> As far as the pixmap goes, what do view objects really need?  I just
> committed a change that makes them 16bpp, and I was even considering going
> as low as 8bpp.  Does this make sense?  Are we even making use of this much
> colour space in each individual view object?  I think we can survive with
> 8bpp in most cases, especially once labels are turned into proper view
> objects.  Then I would consider making the depth of the buffer a parameter
> to the backbuffer class (labels will want something more than 8bpp to have
> cleaner antialiasing I think).
> Also, Barth, does the MemoryOptim make a difference for you on the machine
> that experiences pixmap pressure?  Trying to reduce the pixmaps was the
> best that Jim Gettys could come up with when we talked about it for a few
> minutes. He doesn't think hoping for client side rendering to help is very
> realistic (or ideal).  If MemoryOptim doesn't help, I'd like to convert it
> to something more buffered.

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