DRM support in Android

[vijay kumar]

Thank u all for ur response.Please clarify whether android graphics stack
and android-x86 graphics stack is same or not.I did n't find information
about android-x86 graphics stack.Please provide some help.

Thanks and Regards,
Vijay Kumar Prathipati.

On Fri, Jan 15, 2016 at 3:54 PM, Daniel Vetter <daniel at ffwll.ch> wrote:

> On Fri, Jan 15, 2016 at 09:35:27AM +0800, Chih-Wei Huang wrote:
> > 2016-01-09 16:37 GMT+08:00 vijay kumar <vijaycn042 at gmail.com>:
> > > Thanks Greg .You Helped me a lot.
> > >
> > > On Thu, Jan 7, 2016 at 10:52 PM, Greg Hackmann <ghackmann at google.com>
> wrote:
> > >>
> > >> On Tue, Jan 5, 2016 at 12:06 AM, vijay kumar <vijaycn042 at gmail.com>
> wrote:
> > >>>
> > >>> Hii all,
> > >>>               I want to know some information regarding DRI and DRM
> > >>> support in android.Does Android uses DRI drivers in MESA for Direct
> > >>> rendering.
> > >>
> > >> The vendor needs to supply an EGL implementation at a well-known path
> > >> (
> https://android.googlesource.com/platform/frameworks/native/+/android-6.0.1_r5/opengl/libs/EGL/Loader.cpp#41
> ).
> > >> This can be Mesa or a proprietary library.
> >
> > Android-x86 is the first open source project
> > that brought Mesa/DRM to the Android platform.
> > Refer to:
> >
> > http://sourceforge.net/p/android-x86/external_libdrm/
> > http://sourceforge.net/p/android-x86/external_mesa/
> > http://sourceforge.net/p/android-x86/external_drm_gralloc/ (Drm based
> > gralloc HAL)
> >
> > It's glad to see drm_gralloc is now a part of
> > AOSP marshmallow release.
> > Google Pixel C is probably the first (and only?) one
> > android product that uses it.
> >
> > We have a devel group working on that.
> > If you are interesting, I can invite you to join.
>
> Fyi Google just opened up their drm_hwcomposer implementation. Open as in
> actually open for patches!
>
> https://dev.chromium.org/android/contributing-to-drm_hwcomposer
>
> Cheers, Daniel
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch
>
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