OpenGL of jqt has some problems on low end Intel video chip, hopefully this can be improved in the next jqt release. On Mar 27, 2015 3:02 AM, "'Pascal Jasmin' via Programming" < [email protected]> wrote:
> Some of the information below is innacurate. I just got a dual boot intel > z3735F tablet (a bit over $100 US mail order) > > The graphics capabilities in (32 bit v8.1) windows is only opengl 4.0. > Shader demo does not work (draws initial missized screen but does not > rotate or respond to keys). It does have gl ES 3.0 in android, but the > shader demo doesn't work there either. > > A previous forum issue of the install not copying the system folder on > android also occurred to me. jqt on android does work after copying the > system folder from desktop J. > > > The windows experience on the tablet is excellent. I highly recommend > synergy as a way to share keyboard and mouse on multiple devices (doesn't > control android). Monect is a good android app to provide full > keyboard/mouse remote control of your pc. Even without synergy , there is > a somewhat hidden option to provide a full virtual keyboard (ctrl and > function keys), and so can do anything on the desktop. > > The J performance on windows seems to be about 2/3rd that of my 2 year old > amd a8 apu desktop... (integer/recursion tests) and has no issues with > video. Overall, I'd say a windows tablet is more useful than just an extra > screen (or even an old laptop) considering the independent processing power > and memory, and low power consumption, and ease of placing them on stands > in front of other monitors. > > > > > ----- Original Message ----- > From: Pascal Jasmin <[email protected]> > To: "[email protected]" <[email protected]> > Cc: > Sent: Friday, March 20, 2015 11:40 AM > Subject: Re: [Jprogramming] Labs was Re: Plotting a 3D Ellipse > > An overview of opengl versions as I understand them: > > gl ES 3.0 gl4.3 is a pretty safe target. flagship level 2013 android > devices supported and android 4.3. Any current 4.4 $100 tablet would > likely support. Older desktops/laptops. > > gl ES 3.1 gl 4.5 is the version that adds compute shaders officially, > though it was actually added in gl 4.3. Nvidia has gl 4.5 drivers, ATI/AMD > is unclear, though some 7000 series cards (APUs are 7000 series) support > the 4.3 extention. Android 5.0 and a higher end graphics chip (though low > end intel atoms work, though those devices don't have 5.0 yet) is needed. > Last year's high end, and current midrange android 5.0 mobile devices > should support it (when they get 5.0 apk). > > > > ----- Original Message ----- > From: Raul Miller <[email protected]> > To: Programming forum <[email protected]> > Cc: > Sent: Friday, March 20, 2015 9:28 AM > Subject: Re: [Jprogramming] Labs was Re: Plotting a 3D Ellipse > > Commonly used? That will depend on context. > > Compute Shaders could be useful for someone attempting to implement J > primitives (perhaps with reduced functionality or constrained domain > but increased performance) within OpenGL. > > Tessellation Control (roughly equivalent to a scan on an array of up > to 120 vertices) and Tesselation Evaluation (roughly equivalent to > whatever on the result of the TC shader) shaders let you present > imagery which does not precisely fit the "polygonal" model of the > opengl data structures. (Smooth surfaces and hair-like structures are > two examples.) > > How much work is it to add support for a shader type? > > ... > > As for the incompatibility issues - that's going to take some work. We > will have to iterate on the effort here, with some things failing for > some people until we polish things up. > > Anyways, all of this will take some time. But I think it will be fun. > Or maybe useful. > > Thanks, > > -- > Raul > > On Fri, Mar 20, 2015 at 2:06 AM, bill lam <[email protected]> wrote: > > Current opengl addon only supports vertex, fragment and geometry shaders, > > please let us know what other shaders are commonly used and should be > > included. > > > > Also note that different versions of GLSL are incompatible. Your lab may > > need to detect and run different versions depending on the target > computer. > > On Mar 20, 2015 1:23 PM, "Raul Miller" <[email protected]> wrote: > > > >> It looks like the J6 documentation on lab file format: > >> http://www.jsoftware.com/docs/help602/user/labs.htm has also been > >> dropped from J803 > >> > >> So, ok, I at least have a starting point. I imagine I'll trip a few > >> more times when testing out whatever parts of opengl2/webgl J > >> implementations currently support. I'll check back in here after I > >> have (a) made some progress, and (b) feel like I need some more > >> orientation. > >> > >> Thanks, > >> > >> -- > >> Raul > >> > >> On Fri, Mar 20, 2015 at 12:12 AM, robert therriault > >> <[email protected]> wrote: > >> > Raul, > >> > > >> > Labs can be created just using a text editor, but if you really want > to > >> use Author, I have created labs in 602 with Author and just moved the > lab > >> file created over to the lab folder in j802. > >> > > >> > Cheers, bob > >> > > >> > On Mar 19, 2015, at 9:09 PM, Brian Schott <[email protected]> > >> wrote: > >> > > >> >> It looks like the Author system has been omitted in j8 because of the > >> >> following statement. > >> >> > >> >> ── (9 of 9) Lab Author ────────────────────────────────────── > >> >> The Lab Author system available from menu Studio|Author... > >> >> allows you to build or edit labs. > >> >> > >> >> To experiment, select Studio|Author... and open up the lab > >> >> system/author.ijt. > >> >> ) > >> >> > >> >> > >> >> > >> >> -- > >> >> (B=) > >> >> > ---------------------------------------------------------------------- > >> >> For information about J forums see > http://www.jsoftware.com/forums.htm > > >> > > >> > ---------------------------------------------------------------------- > >> > For information about J forums see > http://www.jsoftware.com/forums.htm > >> ---------------------------------------------------------------------- > >> For information about J forums see http://www.jsoftware.com/forums.htm > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
