[syslinux] best resolution detection

[Shuduo Sang]

On Thu, Apr 18, 2013 at 11:15 PM, H. Peter Anvin <hpa at zytor.com> wrote:
> On 04/16/2013 11:45 PM, Shuduo Sang wrote:
>>>
>>> It is a bit hard, because even if the relevant BIOS calls are
>>> implemented, most video BIOSes have a fixed list of largely archaic
>>> resolutions.
>>
>> grub2 can use VESA BIOS extensions to get supported resolution list.
>> Although there be possible mistake BIOS grub meet and make grub fallback.
>> If syslinux has this feature we may reduce resolution switching and reduce
>> screen flash or visual artifacts at last.
>>
>
> I don't think you understood what I am saying.
>
> On a typical laptop, this is what VESA BIOS will tell you:
>
> "Welcome to VESA BIOS.  The native resolution is 1600x900.  Would you
> like to set your screen resolution to 640x480, 800x600, 1024x768, or
> 1280x1024?"
>
> To be fair, there are some which are much better than that, but they are
> the exception, not the rule.
>
>         -hpa
>
>

Sorry if I misunderstand your point. Back to my question, is it
possible to have a feature
like grub's GRUB_GFXMODE=auto? Then we can use one universal USB disk
on different
system with different best resolution. And we also need to support
background stretch/zoom
etc like Gene mentioned.

Thanks,
Shuduo


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