problems running OpenGL code

[Polytropon]

On Sat, 12 Dec 2015 12:54:59 -0500, Michael Powell wrote:
> William A. Mahaffey III wrote:
> 
> [snip]
> >> What I don't have any clue is the exact support for the specific chip you
> >> are trying to use; it may not exist yet or may be a WIP. Maybe there is
> >> some bleeding edge patch or code around somewhere you can try if nothing
> >> currently in Release is working.
> >>
> >> -Mike
> > 
> > I just looked at both links & the 2nd one appears to say my video is not
> > supported. It didn't mention my exact hardware, but said:
> > 
> > 
> > AMD
> > 
> > Radeon HD 8000
> > 
> > Sea Islands
> > 
> > Not supported
> > 
> > My xorg.conf shows:
> > 
> > 
> > Section "Device"
> >          ### Available Driver options are:-
> >          ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
> >          ### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
> >          ### [arg]: arg optional
> >          #Option     "ShadowFB"                  # [<bool>]
> >          #Option     "DefaultRefresh"            # [<bool>]
> >          #Option     "ModeSetClearScreen"        # [<bool>]
> >          Identifier  "Card0"
> >          Driver      "vesa"
> >          VendorName  "Advanced Micro Devices, Inc. [AMD/ATI]"
> >          BoardName   "Kabini [Radeon HD 8280 / R3 Series]"
> >          BusID       "PCI:0:1:0"
> > EndSection
> > 
> > 
> > So I guess I am hosed. However .... I thought the VESA driver would at
> > least provide basic (albeit brutally slow/choppy/etc) functionality,
> > wrong there as well ? Thanks & TIA & have a good one :-).
> > 
> 
> VESA should show you a screen, which should be perhaps useable for text-mode 
> CLI and maybe some basic graphics (slow, very slow, as in repaint entire 
> screen line by line for any update). I have an old laptop with an ancient 
> radeon chip which is so old support has actually been removed so that VESA 
> is the only way I can use it. It does work with GUI desktops, just slowly.
> 
> VESA mode(s) will never give you any support for GL and there won't be any 
> way (to my limited knowledge) to run code that depends on GL libraries.

How about software OpenGL rendering? If I remember correctly,
Mesa is the name of the tool. With software rendering enabled,
it will be slow, but possible. Test tools like "glxgears" will
show terrible frame rates, but display will be possible...




-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...