wow... Looks like I need to dig in more to study more stuff :(
Is it possible to reduce code size to about 400~700KB after all this?
On Wed, May 1, 2013 at 5:56 PM, Carsten Haitzler <ras...@rasterman.com>wrote:
> On Tue, 30 Apr 2013 09:31:43 -0300 Gustavo Sverzut Barbieri
> <barbi...@profusion.mobi> said:
>
> > Hi,
> >
> >
> > On Tue, Apr 30, 2013 at 8:57 AM, Carsten Haitzler <ras...@rasterman.com
> >wrote:
> >
> > > On Tue, 30 Apr 2013 18:03:21 +0800 hYde <hyde....@gmail.com> said:
> > >
> > > > Since my BIOS has only about 8MB of space, I take Evas + Edje.
> > >
> > > you'll need ecore, eet and eina too then. (well some of ecore).
> >
> >
> > that's why I explicitly removed Edje. Edje pulls too much, and will not
> > aggregate that much value for the BIOS case (show menu and similar). Of
> > course it would be nice to have a complete environment with Elementary
> and
> > all, but I don't think it's doable without LOTS of effort, so stick with
> > Evas first -- particularly pre-Eina Evas.
>
> well you still need eina anyway. so edje adds eet and ecore (ecore,
> ecore-imf,
> ecore-file, ecore-evas, ecore-input, ecore-evas). these ecores are fairly
> small, and ecore-evas pulls in ecore-con and ecore-ipc.
>
> there likely will be the need for ecore anyway for a mainloop etc. so i'd
> guess
> it doesnt end up too bad, and relying on eet as a way of nicely
> encapsulating
> data into a single file will be helpful. lossy compression for images with
> alpha (that jeg doesnt do and png doesnt do) will save you space too if
> you use
> such image data much. so in the end i am not sure it will be too bad.
> elementary thought makes things a whole new level.
>
> > > > May I ask what is pre-merge?
> > >
> > > efl 1.7.x ... from efl 1.8 we have a single build tree and we have
> upped
> > > our
> > > dependencies. 1.8 is not out yet.. but release is scheduled for end of
> may.
> >
> >
> > Yes, but I'd strongly encourage to find out the Evas version before Eina
> > was introduced. Then you don't need Eina, just Evas types that were built
> > in (saves a lib to care and some Kb in the final image).
> >
> > With Evas all you need is to create an engine similar to "FB", give Evas
> > the framebuffer (pixels) to paint and that's it. If you can configure
> your
> > FB, then it should be pretty simple to get it running. You can copy
> > Expedite's model, that is basically a loop:
> > while (1) {
> > event = get_event();
> > if (event) process_event(event);
> > evas_render_updates(evas);
> > }
> >
> > from process_event() you can arrange your objects as you wish (create,
> > move, resize...), evas_render_updates() will take care to draw them to
> > output. Eventually you'd have to ask the FB to update itself, depends on
> > your setup.
> >
> > If you need to strip the libraries, I'd recommend to remove the following
> > chunks from Evas:
> > - Gradients: it was removed in current Evas, but the pre-Eina still
> > contained it with lots of useless code;
> > - Textblock: if you don't need text markup or multi-line text, you can
> > remove this and lots of code.
> >
> > And of course choose the minimum set of engines and options, I'm not sure
> > the bootloader can use MMX/SSE, then you can compile out those with
> > ./configure flags.
> >
> >
> > NOTE: which hardware are you using this? It seems like a nice hobby
> project
> > I'd help on weekends, but I'd need to have a way to test :-)
> >
> >
> > --
> > Gustavo Sverzut Barbieri
> > http://profusion.mobi embedded systems
> > --------------------------------------
> > MSN: barbi...@gmail.com
> > Skype: gsbarbieri
> > Mobile: +55 (19) 9225-2202
> >
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>
> --
> ------------- Codito, ergo sum - "I code, therefore I am" --------------
> The Rasterman (Carsten Haitzler) ras...@rasterman.com
>
>
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