Re: Building Alternate Mesa

Running ldd provided:

libGL.so.1 => /opt/mesa/lib/libGL.so.1 (0x00007fde3d918000)

It appears the libGL I compiled is being used.

With LIBGL_DEBUG=verbose:

name of display: :0
libGL: OpenDriver: trying /opt/mesa/lib/dri/r600_dri.so
libGL: Can't open configuration file /home/dan/.drirc: No such file or 
directory.
libGL: Can't open configuration file /home/dan/.drirc: No such file or 
directory.
libGL: Using DRI2 for screen 0

It also appears the driver I have compiled is being used.

I wondered about the configuration files but this also occurs when I run 
glxinfo using the main system driver so I don't think it's related.


On 24/02/17 19:55, Brian Paul wrote:
> Running 'ldd glxinfo' will confirm if the right libGL.so is being chosen.
>
> Then setting LIBGL_DEBUG=verbose will tell you which driver .so is 
> being loaded.
>
> -Brian
>
>
>
> On 02/24/2017 09:18 AM, Dan Allen wrote:
>> Hi,
>>
>> I had set these variables when the result was as originally described.
>>
>> For information, I used --prefix=/opt/mesa during configure and then
>> sudo make install after compilation. I then used export
>> LIBGL_DRIVERS_PATH=/opt/mesa/lib/dri and export
>> LD_LIBRARY_PATH=/opt/mesa/lib.
>>
>>
>> On 24/02/17 14:29, Brian Paul wrote:
>>> On 02/22/2017 12:48 PM, Dan Allen wrote:
>>>> Hi,
>>>>
>>>> I would like to build/install a different version of Mesa on my system
>>>> to trial it (i.e. without completely installing it in place of the
>>>> currently installed version).  Is this possible?
>>>>
>>>> I am currently running Ubuntu 16.10 x64.
>>>>
>>>> I found this information
>>>> https://urldefense.proofpoint.com/v2/url?u=https-3A__pkg-2Dxorg.alioth.debian.org_howto_build-2Dmesa.html&d=DwIGaQ&c=uilaK90D4TOVoH58JNXRgQ&r=Ie7_encNUsqxbSRbqbNgofw0ITcfE8JKfaUjIQhncGA&m=XR89-1h11mUG_eYyOU_v3dMRxW93u1tW5gWhztCSUGc&s=bAU-invF1ZYoUFlr0UwlXeif3Cwj38EH0zNA9Qm8r9g&e= 
>>>>
>>>>
>>>> and followed most of it (I downloaded the version I wanted (12.0.6)
>>>> rather than git clone).  It compiled fine etc.  However, when I 
>>>> execute
>>>> glxinfo in terminal, the output is not as expected.  For example, the
>>>> max core profile version is stated as "0.0" and the OpenGL version
>>>> string is "2.1 Mesa 12.0.6".  For my hardware, I would expect this 
>>>> to be
>>>> "3.3" and "3.0 Mesa 12.0.6" respectively.
>>>>
>>>> Could anyone point me in the right direction to get this working?
>>>
>>> You probably just need to set LD_LIBRARY_PATH and LIBGL_DRIVERS_PATH
>>> to point to the newly compiled libs.
>>>
>>> -Brian
>>>
>>>
>>
>


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