[uae] Re: Next patches for E-UAE
- From: Jochen Becher <jochen_becher@xxxxxx>
- To: uae@xxxxxxxxxxxxx
- Date: Wed, 23 Aug 2006 23:14:29 +0200
Am Mittwoch, den 23.08.2006, 16:57 -0400 schrieb Richard Drummond:
> Hi Axel
>
> On Wednesday 23 August 2006 16:28, Axel DÃrfler wrote:
> > What's wrong with platform depending GUIs (when they are available)?
> > I wouldn't mind to have something like ScummVM, but why should it be
> > based on OpenGL? That just raises the limit for other ports (like some
> > Palm-sized devices), but it doesn't really give you anything.
>
> Agreed.
>
> The GUI should be rendered to an off-screen pixmap which can then be blended
> with the display in whatever way the graphics driver sees fit. With GL the
> GUI's pixmap can be rendered as an alpha-blended texture, but other
> implementations are possible. For example, a simple graphics driver, where
> alpha-blending would be too costly, can put the GUI on screen with a plain
> blit.
Of course it is not a big task to have the GUI independent from OpenGL.
I only mentioned OpenGL because with OpenGL some nice graphics effects
are possible and I would like to use those (not just a hidden display
blitted to screen but animated 3D effects). But of course a new GUI
concept could be separated into a graphics driver independent part and a
graphics driver dependent part which allows everything from simple
blitting to complex 3D graphics effects.
For PDAs I believe it is much better to have a OS and hardware dependent
GUI. I plan to update my Zaurus 5500G to a new VGA PDAs (Zaurus 3200)
soon and I will develop a Opie GUI later (and a partly AMD JIT). But a
PDA with its limited screen size, its different look&feel and different
input methods always needs a GUI that is completely different from usual
desktop GUIs.
>
> Cheers,
> Rich
>
>
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