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List:       kde-devel
Subject:    Re: plans for a free, OpenGL-based equivalent to Direct2D ?
From:       Clemens Eisserer <linuxhippy () gmail ! com>
Date:       2011-01-03 20:43:01
Message-ID: AANLkTi=zhv1EkHEkeBWEFs-4D=4g5GakzWk5TpKcvk5u () mail ! gmail ! com
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Hi Benoit,

> Let's review the possibilities we currently have for
> hardware-accelerated 2D rendering:
> * XRender/OpenGL back-ends to QPainter/Cairo.
>   -> problem: the Cairo API is in our experience inherently unsuitable
> for hardware acceleration and my impression is that the same applies
> to QPainter. The result is disappointing acceleration factors. (Stop
> me if I'm wrong).

I understand your requirements, but doesn't what you propose equal
cairo with the OpenGL backend?

As far as I see Cairo on top of OpenGL wouldn't be a huge problem, its
simply the current opengl-backend is in a somewhat broken state.
(Doesn't mozilla use Cairo on top of Direct2D too?)

- Clemens
 
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