[Mesa-dev] Dri api

[Russell Shaw]

On 11/11/10 01:36, Jerome Glisse wrote:
> On Wed, Nov 10, 2010 at 2:36 AM, Russell Shaw<rjshaw at netspace.net.au>  wrote:
>> Hi,
>> I compiled mesa from sources.
>>
>> In mesa/src/driclient/src/XF86dri.c, if i use the
>> api to make a drawable, how can i find the buffer
>> pixel format?
>
> See my other reply on the wayland mailing list but i think you are
> trying to achieve somethings that we could not recommand. As i already
> said dri is intented to be an api btw 2 part of the same driver, at no
> time it was designed to allocate buffer for general use and there is
> no way to allocate buffer in hw independant maner.
>
> If you really would like to be able to do direct pixel banging on
> buffer that can the be use by the GPU (i guess use case here is for
> wayland) i think you would need to build a library that can provide an
> API and have backend for each GPU we care about (amd,intel,nvidia).
> Such library could be an add on to the drm one and likely leave in the
> same repository.

Hi,
I can do all the openVG/GL stuff without a gpu. Because there
is an ever increasing number of embedded micros with GPUs, there
is less need to emulate a GPU-less system. Therefore, i'll increase
my minimum requirements.