Re: [hatari-devel] ST/STE High Resolution Scaling

[Thomas Huth <th.huth@xxxxxx>]

Am Fri, 13 Sep 2013 20:35:52 +0200
schrieb Nicolas Pomarède <npomarede@xxxxxxxxxxxx>:

> On 13/09/2013 20:13, Randy Hunsaker wrote:
> > Thanks for the quick reply, Nicolas.  I'll take a look at the
> > source code and see what can be done.  If I feel adventurous, I'll
> > take a stab at doing this for all resolutions with hardware scaling.
> >
> > -Randy
> 
> You can add specific code for monochrome x2, but in the end I think
> it would be better to have an optional SDL 2nd pass to take the
> current SDL bitmap and apply some zooming effects (such as the ones
> used in several emulators to do x2 or x4 with some filters (bilinear
> and so on))
> 
> By working on SDL bitmap, you only have to write a function to
> transform a w1Xh1 image to another w2Xh2 image, without having to
> deal with the ST's planar conversion. So the zooming function can
> apply to any ST video mode.
> 
> By doing so, the text used in Hatari (F12 menu and other) would of 
> course be zoomed and maybe it could be better to zoom only the ST
> part of the bitmap, not the UI part added by Hatari, but that's could
> be fine tuned after.

I haven't had a really close look at SDL2.0 yet, but what I've read so
far sounds like we would getting the scaling for free if we switch to
SDL2.0. So maybe we should include SDL2.0 support instead?

 Thomas