Hi Nayan,

About the Prime, I think you have to do is to separate decoder render buffer and presentation back buffer, and copy back and forth between them for presentation and update. You might refer to similar implement
in glx and egl from loader_dri3_helper.c by grep "is_different_gpu"


Regards,
Leo


On 09/01/2016 05:18 AM, Nayan Deshmukh wrote:
Thanks, Michel you saved a lot of my time.

Christian, I will get in touch with Leo and get started on this task.

Regards,
Nayan.

On Thu, Sep 1, 2016 at 2:08 PM, Christian König <christian.koe...@amd.com <mailto:christian.koe...@amd.com>> wrote:

    Am 01.09.2016 um 05:28 schrieb Michel Dänzer:

        On 31/08/16 06:53 PM, Nayan Deshmukh wrote:

            Hi Christian,

            You missed a few things in the merge. I will send in the
            updated patch.

            I looked at the code in vl_winsys.c and vl_winsys3.c and also
            at the code in presentation.c where delayed rendering is
            used. I was trying
            to compile using vl_dri3_screen_create() but its giving me
            some error. I
            will look into the error tonight. My hardware has PRIME
            configuration. So
            is my hardware suitable for it?

        The code in vl_winsys_dri3.c doesn't support PRIME yet. Might
        not be too
        hard to add though. Grep for "is_different_gpu". Leo might
        have done
        some work on this, so coordinate with him before spending too much
        effort on this.

    Thanks for the note, I assumed Leo already implemented that, but
    wasn't 100% sure.

    Nayan since you are one of the few contributors with a prime
    configuration I think it would make sense for you to hack on this
    first.

    Would also help getting you into the code and a bit more into the
    stack in general.

    Regards,
    Christian.




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