Reg: AIGLX architecture & it's difference from DRI
airlied at gmail.com
Mon Sep 1 01:26:15 PDT 2008
On Mon, Sep 1, 2008 at 6:08 PM, Mustafizur Rahaman
<mustaf.here at gmail.com> wrote:
> Can any one please tell me whether there is any document available which
> explains me the AIGLX architecture briefly.What i am looking is if some one
> provides me only a OpenGL driver whether it is easier to build AIGLX on top
> of it or making DRI/DRM kind of framework is easier, provided that i have a
> X window system running below.
> I am also looking for the difference between the DRI & AIGLX
> architecture.E.g, i know that the xserver loads the <hw>_dri.so when AIGLX
> is enabled and the client app links to the <hw>_dri.so, when DRI is
> enabled.Is there other differences as well?
No really, AIGLX is part of the DRI architecture.
You have direct rendering and indirect rendering, in the direct
rendering case libGL calls directly into
GL _dri.so driver, which then calls into the kernel, in the indirect
rendering case libGL calls get send to GLX in the X server,
which sends them to the _dri.so driver which then calls into kernel.
You can't really write an _dri.so that only works in AIGLX or DRI,
well you could but it would be pointless.
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