[Mesa-dev] Getting Hw Acceleration without X-Window

[Clurado cl]

On Thu, Nov 4, 2010 at 11:24 AM, Chia-I Wu <olvaffe at gmail.com> wrote:

> On Thu, Nov 4, 2010 at 3:53 AM, Clurado cl <clurado1980 at gmail.com> wrote:
> > Can wayland be ported for use of gles1 ?! i saw compositor-drm.c , but
> for
> > me , its a little hard to know whats kristian does  . it does compositing
> > and idont need that. can u explain more !?
> It does not composite.  You can try to look for, say,
>
>  - which function creates an OpenGL ES context?

 - which function creates two EGLImages for each output as back
>    buffer and front buffer?

 - which function performs buffer swapping?
>

create_output_for_connector


>
> The rest of it is for kernel modesetting and input handling.
> > it uses dri2 , but from here : http://www.mesa3d.org/egl.html . DRI2
> have x
> > surface unlinke dri1 it doesnt have framebuffer surface .
> >
> > so how it used in wayland ?!
> The doc is outdated.  I will update it.
> > On Wed, Nov 3, 2010 at 11:07 PM, Chia-I Wu <olvaffe at gmail.com> wrote:
> >>
> >> On Thu, Nov 4, 2010 at 1:53 AM, Clurado cl <clurado1980 at gmail.com>
> wrote:
> >> >
> >> > Hi all , its interesting topic ,
> >> >
> >> > Q: simply i want to know is there any way to get Hw Accl 3d with DRI
> and
> >> > draw it on the screen without x ( also glx ) ?!
> >> >
> >> > my first approach is wayland but my device doesnt support pixel and
> >> > vector
> >> > shaders , so i cant use gles2 ( wayland requires )
> >> >
> >> > second is egl/dri ( one ) but this egl driver was deprecated from mesa
> .
> >> >
> >> > third is miniglx , its dead ( is it functional ?! )
> >> >
> >> > there are some other approches but non of them can power the intel
> >> > hardwares
> >> > .
> >> >
> >> > so i want to disscuss with u about the topic .
> >> >
> >> > Q: can we use egl and egl_dri2 ?!
> >> Yes.  Take a look at compositor-drm.c in Wayland.
> >>
> >> Basically, you need to use EGL_MESA_drm_image to create two EGLImages.
> >> At any given time, one of them attached to an FBO for (GLES1)
> >> rendering and the other is used by the hardware for scanning out.
> >> >
> >> > _______________________________________________
> >> > mesa-dev mailing list
> >> > mesa-dev at lists.freedesktop.org
> >> > http://lists.freedesktop.org/mailman/listinfo/mesa-dev
> >> >
> >> >
> >>
> >>
> >>
> >> --
> >> olv at LunarG.com
> >
> >
> > _______________________________________________
> > mesa-dev mailing list
> > mesa-dev at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/mesa-dev
> >
> >
>
>
>
> --
> olv at LunarG.com
>
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