[Mesa-dev] [PATCH 1/3] vl/dri3: use external texture as back buffers

Leo Liu leo.liu at amd.com
Tue Oct 25 19:23:40 UTC 2016



On 10/25/2016 02:42 PM, Andy Furniss wrote:
> Christian K├Ânig wrote:
>> Nice work, have you been able to fix all the issues you mentioned on
>> your last mail?
>>
>> Additional to that make sure that this set also keeps DRI2 working, in
>> patch #2 it looks like you call the new function without checking if
>> it's available or not.
>>
>> Keep in mind that we possible compile both DRI2 and DRI3 into the
>> driver, but it can happen that we fallback to DRI2 on runtime.
>
> Patch 2 for me is corrupted fullscreen.
>
> Seems I have a mix of DRI2 and 3 according to below anyway.
>
> Am I supposed to be compiling xserver, amdgpu (ddx) or mesa in some
> way that avoids this?
>
> grep DRI /var/log/Xorg.0.log
> [ 35587.890] (II) glamor: EGL version 1.4 (DRI2):
> [ 35588.093] (II) AMDGPU(0): [DRI2] Setup complete
> [ 35588.093] (II) AMDGPU(0): [DRI2]   DRI driver: radeonsi
> [ 35588.093] (II) AMDGPU(0): [DRI2]   VDPAU driver: radeonsi
> [ 35588.093] (==) AMDGPU(0): DRI3 enabled
> [ 35588.246] (II) GLX: Initialized DRI2 GL provider for screen 0

That's nothing wrong. X set up services for both DRI2 and DRI3, so you 
have seen messages for both.

You need check your client side if DRI3 is enabled.
For mesa, run `LIBGL_DEBUG=verbose glxinfo > /dev/null', then should see 
something like "using DRI3 for screen..."
If no, then rebuild mesa

Regards,
Leo


>
>
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