I now realize you were speaking of api/gles I had been playing with webgl and was wondering what you needed to change.
I've a fair bit of studying ahead of me. Thanks, -- Raul On Sat, Mar 21, 2015 at 1:10 PM, bill lam <[email protected]> wrote: > I updated opengl addon to opengl 4.5 and opengles 3.1. > All 6 shaders should now be supported. Interestingly > opengles 3 supports compute shader but not tessellation > or geometry. > > Untested because my of hardware limitation. > > Пт, 20 мар 2015, jprogramming написал(а): >> 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 > > -- > regards, > ==================================================== > GPG key 1024D/4434BAB3 2008-08-24 > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > gpg --keyserver subkeys.pgp.net --armor --export 4434BAB3 > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
