What is support status of PowerVR GPUs in Fedora? (Intel D2500 and gma500_gfx)

Rob Clark robdclark at gmail.com
Mon Nov 18 21:53:40 UTC 2013

On Mon, Nov 18, 2013 at 4:46 PM, drago01 <drago01 at gmail.com> wrote:
> On Mon, Nov 18, 2013 at 10:11 PM, Rob Clark <robdclark at gmail.com> wrote:
>> On Fri, Nov 15, 2013 at 8:18 AM, Peter Robinson <pbrobinson at gmail.com> wrote:
>>> On Fri, Nov 15, 2013 at 10:04 AM, Richard W.M. Jones <rjones at redhat.com> wrote:
>>>> On Fri, Nov 15, 2013 at 09:26:36AM +0100, valent.turkovic at gmail.com wrote:
>>>>> So I have three options to suggest to my friend:
>>>>> - Latest Fedora or Mint but with Vesa driver only, and maybe can't
>>>>> even get full resolution then
>>>>> - Old Ubuntu (but still supported) + prorietary drivers
>>>>> - full blown priprietary - Windows 7 + Intel/PowerVR driver
>>>> There also exist USB-based GPUs, ie. external GPUs that plug into
>>>> laptops (or any machine) using USB.
>>>> Although I don't think it's worth rescuing this "cheap 13" laptop" by
>>>> spending yet more money on hardware which might have its own driver
>>>> issues.
>>>> Probably best to get rid of it on eBay and buy a decent laptop.  The
>>>> ARM-based Samsung Chromebook is very cheap and runs Fedora.
>>> The ARM laptop will have the same or worse issues in terms of GPU as
>>> the x86 one.
>> re: anything with powervr (arm or intel), sadly the best answer is run
>> away as fast as possible
>> re: arm chromebooks, well, there is some hope of eventually getting an
>> open source driver, but it will be a long process.  Currently
>> gnome-shell and related components in fedora need desktop opengl so
>> blob driver doesn't help much.
> Well in theory gnome-shell should work fine on GLES ... how does it fail?
> (It is untested but it does not have any direct GL code, it uses cogl
> which has an GLES2 backend).

yeah, I think all we need to do is actually build the gles2 backend.
But it has been a while since I checked (and not really a cogl expert,
and all that).  I just remember that for freedreno I had to use GL and
implement some emulation for GL primitives that the hw does not
support directly, particularly quads needed to be emultated as tri's +
index buffer.


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