Hi jeff you should give a try so that you can push esteban in his fight for a free host and strong SDL2.0
Stef On Mon, Sep 25, 2017 at 7:51 AM, Clément Bera <bera.clem...@gmail.com> wrote: > > > On Mon, Sep 25, 2017 at 2:33 AM, J.F. Rick <s...@je77.com> wrote: >> >> Hi Clement and and Stef, >> >> thanks for sharing. The video looks cool and it seems like a >> high-performance approach. Unfortunately, it doesn't seem to be working in >> Linux. I'm attaching the Pharo debug file, but it seems like the Handler >> being OSNullWindowHandle indicates a problem. I'm also not sure that this >> approach would allow me to do fullscreen apps. I noticed that your video >> shows a title bar in MacOS. >> > > I've never made the demo work on linux, I am not surprised it doesn't work. > This demo is based on the Pharo 4 OSWindow version, and more recent versions > are working fine on linux. > > About fullscreen as I said in the previous mail it is possible to enable it, > I tried it worked, but I did not do it as I don't think it make sense with > this game. > > I will consider in the future making it work on the latest Pharo version on > multiple OS if it makes sense to show people how to do it. I'm busy with > other concerns right now. > > Anyway, it's just one approach, you can use another one. > >> >> Cheers, >> >> Jeff >> >> >> >> >> >> On Sun, Sep 24, 2017 at 7:53 AM Clément Bera <bera.clem...@gmail.com> >> wrote: >>> >>> Hi, >>> >>> I describe in the next paragraphs what I do to build application with >>> Pharo at 50 fps. Now I am using a SDL2 window with OSWindow and not the >>> default Pharo window for rendering. There is a fullscreen option with >>> OSWindow, I don't use it but I've just tried it works fine. >>> >>> To use Athens/Cairo I start the VM headless and I open from the code a >>> window using the SDL2 binding (OSWindow), then I extract the window surface >>> as a cairo surface to draw on it using Athens and I use SDL2 to manage >>> events (mouse, keyboard). That way I don't even start morphic/WorldMorph >>> which wastes cpu ressources. >>> >>> I built this video game that way: >>> >>> https://clementbera.wordpress.com/2016/08/29/sdl2-cairo-headless-for-realtime-native-applications/ >>> https://www.youtube.com/watch?v=srPdFgbyS6s >>> >>> The game is running in Pharo 4 (pre-Spur). I configured it to run at 50 >>> fps but from time to time some frames are dropped for performance so I would >>> say it is running at around 48-49 fps in practice. I think it should work on >>> the latest Pharo but you need to ask on pharo-dev how to use OSWindow. Some >>> APIs have changed since Pharo 4. Since the latest Pharo version is now using >>> Spur I expect the performance to be way better and I think 50 fps is >>> definitely manageable on a laptop. >>> >>> Note that this is still Pharo so if you want something which looks >>> real-time you need to be careful about you object allocation rate in-between >>> frame rendering. >>> >>> I hope this can help. >>> >>> Regards >>> >>> >>> >>> On Sun, Sep 24, 2017 at 9:43 AM, Stephane Ducasse >>> <stepharo.s...@gmail.com> wrote: >>>> >>>> Hi jeff >>>> >>>> let us know if this is working. the start.sh script is not working on >>>> my machine. but clement made it worked on his machine and he should >>>> publish a zip. >>>> >>>> Stef >>>> >>>> >>>> >>>> On Sun, Sep 24, 2017 at 9:39 AM, Stephane Ducasse >>>> <stepharo.s...@gmail.com> wrote: >>>> > Yes I will share a dropbox with you for now. >>>> > >>>> > On Sat, Sep 23, 2017 at 9:44 PM, J.F. Rick <s...@je77.com> wrote: >>>> >> Hi Stef, >>>> >> >>>> >> since I'm only doing Athens rendering, it might be possible to do a >>>> >> native >>>> >> window implementation. That said, I don't know how to get started >>>> >> with that. >>>> >> Documentation seems to be hard to find. The last time I saw any work >>>> >> on that >>>> >> it was too early to be usable. I'm also not sure if it solves my "it >>>> >> needs >>>> >> to run in fullscreen at full speed" problem. If someone like Clement >>>> >> could >>>> >> get me started, that would be awesome. >>>> >> >>>> >> Cheers, >>>> >> >>>> >> Jeff >>>> >> >>>> >> On Fri, Sep 22, 2017 at 12:27 PM Stephane Ducasse >>>> >> <stepharo.s...@gmail.com> >>>> >> wrote: >>>> >>> >>>> >>> Hi Jeff >>>> >>> >>>> >>> Nice to see you. I do not know anybody running on X11. Esteban is >>>> >>> working on better SDL20 integration. >>>> >>> Did you try having a native window? I asked clement if he could >>>> >>> release the Wizard Battle Arena because it was a game he did in a >>>> >>> couple of days (yes he is good this guy) and that use cairo athens >>>> >>> based for drawing on native window. >>>> >>> >>>> >>> stef >>>> >>> >>>> >>> On Fri, Sep 22, 2017 at 3:11 PM, J.F. Rick <s...@je77.com> wrote: >>>> >>> > I'm running a fullscreen Pharo application on Ubuntu and I've >>>> >>> > noticed >>>> >>> > that >>>> >>> > Athens rendering gets way worse (maybe 10 updates per second) when >>>> >>> > I >>>> >>> > switch >>>> >>> > to fullscreen mode from inside Pharo. Ideally, I'd love for that >>>> >>> > to be >>>> >>> > fixed. >>>> >>> > >>>> >>> > In lieu of that, it would be cool if I could just maximize Pharo >>>> >>> > to the >>>> >>> > size >>>> >>> > of the screen to achieve good performance. Two things stop that: >>>> >>> > the >>>> >>> > Unity >>>> >>> > application bar and the title-bar. For the former, I can configure >>>> >>> > Unity >>>> >>> > to >>>> >>> > hide it. I noticed a '-notitle' X11 option when I execute pharo >>>> >>> > -help. >>>> >>> > I've >>>> >>> > tried using these X11 options and neither -notitle or -fullscreen >>>> >>> > seem >>>> >>> > to >>>> >>> > have any effect. Here's the command I run: >>>> >>> > >>>> >>> > ./bin/pharo --encoding utf8 -vm-display-X11 -fullscreen >>>> >>> > PATH_TO_IMAGE & >>>> >>> > >>>> >>> > Pharo starts fine but neither option seems to have any effect. >>>> >>> > I've also >>>> >>> > tried this in GNOME, thinking that Unity was the problem. Again, >>>> >>> > no >>>> >>> > effect. >>>> >>> > >>>> >>> > Any suggestions? >>>> >>> > >>>> >>> > Jeff >>>> >>> > >>>> >>> > >>>> >>> >>>> >> >>>> >>> >
