On 27/10/12 02:49, jean wrote:
Le 27/10/2012 03:13, Curtis Olson a écrit :
This might be the point where it's worth compiling a few other opengl programs or demos and seeing if they can run -- you might discover a wider scale setup problem on your system (or not, but it might not hurt to step back and just do a quick system sanity check to make sure your chasing the right problem.)

Curt.


On Fri, Oct 26, 2012 at 8:08 PM, Donn Washburn <n5...@comcast.net <mailto:n5...@comcast.net>> wrote:

    It compiled correctly with CmakeCache.txt  but it still has the
    same error

    :~> fgfs
    Error: In Texture::Extensions::setupGLExtensions(..) OpenGL
    version test
    failed, requires valid graphics context.
    Scaling image '/usr/lib/FlightGear/Aircraft/c172p/splash.png' from
    (512,512) to (0,0)
    Segmentation fault

    Is the 512,512 the size of the screen and I guess the splash.jpg
    is the
    first image C-172
    Is this Video Chipset or SuSE libGL.  I now have about every MESApart
    available and a new plib--


Curtis Olson:

as an amd/ati user, i got those messages when i mess my card driver and linux (debian SID here) start with the basic driver for the card.

I can't tell if it happens with the "radeon" driver or an other, but in this case "glxinfo" give very short information, telling me that i don't have 3D accel IIRC .

depending your graphic card, you can try the fglrx closed source driver, or fglrx-legacy (for card before hd5XXX, the support for hd4XXX and below dropped in the fglrx driver some months ago).

my 2 cents,

jano



I have no trouble with NVidia cards.

The support for AMD/ATI cards has been a bit murky as AMD drops support for certain older cards. My 4 year old laptop which has a radeon card used to fail starting X about 2 years ago and I had to build the radeonhd driver.
After some months the driver in openSUSE started working again.

I have never tried fgfs on a box with the radeon chip so I don't know if it works.
Regards
Sid.

--
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Senior Staff Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks

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