Adam Jackson wrote, On 03/27/2008 02:33 PM:
On Thu, 2008-03-27 at 13:58 -0400, Alan Cox wrote:
On Thu, Mar 27, 2008 at 01:43:49PM -0400, Adam Jackson wrote:
Unfortunately we pick depth before resolution, so it's a bit difficult
to look ahead and know "oh, we've been asked for 800x600, we should
downgrade to 16bpp". I can probably hack something up for the chips
driver, but it really is a per-driver thing.
Seems strange it is so. At the point we pick depth we can aspire to 800x600
unless already asked otherwise surely ?
I suppose I'm only saying what the driver _does_, not what it could do.
The problem is your config file looks like:
Section "Screen"
# stuff
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "800x600"
EndSubsection
EndSection
So how do you interpret that? You've asked for 800x600x24. Should we
fail to launch, or give you something other than you asked for? Both
options kinda suck. If you don't specify a default depth, you get
something driver-specific, but if you do so, there's no place to get the
Modes list from, so there's no way to ask for 800x600.
I suppose for sufficiently gimpy chips we could just write out
DefaultDepth 16 instead. Or I could just add Modes as a keyword to the
Screen section and fix up pyxf86config/rhpxl/s-c-d to write that out
instead, and then let the driver make a best effort to match the mode at
whatever depth it can.
- ajax
I know I am about stick my foot where it will get loped off, but :)
why not have (in the install config)
Section "Screen"
# stuff
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "800x600"
EndSubsection
SubSection "Display"
Depth 16
Modes "800x600"
EndSubsection
SubSection "Display"
Depth 15
Modes "800x600"
EndSubsection
SubSection "Display"
Depth 8
Modes "800x600"
EndSubsection
EndSection
IIRC (very possibly wrong) If X can't provide "800x600" in 24 it falls back to
each of the others until it works. right???
I mean for installs it is NOT important that the fedora/RH logo to have just
THAT smooth gradient of color change, it IS however VERY important that the
user can see and press all the buttons if you are in graphical mode.
The only trouble I see with that idea... some applications don't code for the
alternative of not having "TrueColor" (or was it "PseudoColor" or
"DirectColor")... anyway if you were expecting to use one of those and only
had the other, the app I was dealing with would fall apart (back in the RH6
days) when you wanted to muck about with the colormap.
--
Todd Denniston
Crane Division, Naval Surface Warfare Center (NSWC Crane)
Harnessing the Power of Technology for the Warfighter
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