what is your JVERSION? There was a bug in j.dll that call by function address will sometimes fails under win64. You can type glCreateProgram_jgles_ to see the function address.
this bug should had been fixed in j803 jdll. On Jun 28, 2015 7:01 AM, "Raul Miller" <[email protected]> wrote: > The machine which was getting the error uses a GeForce GTX 680M, and > it's running under Windows 7. > > I understand that Intel has much better documentation on their chips > than Nvidia (and so, presumably, higher quality drivers), but > unfortunately that's not what I have here. > > As it is currently not failing, I can't say much more than that. > > Thanks, > > -- > Raul > > > On Sat, Jun 27, 2015 at 6:42 PM, bill lam <[email protected]> wrote: > > so what is your video card and platform? Is it a intel video chip > running > > on window? Can you duplicate the error in another environment? > > > > if there is a domain error in a cd , then cder'' will give the reason for > > failure. > > On Jun 28, 2015 4:00 AM, "Raul Miller" <[email protected]> wrote: > > > >> Well, it depends what version of opengl I tell the code to run as. > >> > >> When all is running well, I get a red window with a small (40x40) cyan > >> square in the middle. > >> > >> When I drop below version 330 for the fragment shader, that cyan > >> square becomes white. > >> > >> (I was able to get it working again by running some other programs > >> that use graphics. Apparently the opengl implementation I am using > >> allows some state changes to persist across runs of the code, or > >> something...) > >> > >> Thanks, > >> > >> -- > >> Raul > >> > >> On Sat, Jun 27, 2015 at 3:16 PM, Brian Schott <[email protected]> > >> wrote: > >> > Raul, > >> > > >> > I entered Bill's code and the result is a blank, light gray window > >> > entitled, > >> > "OpenGL SuperBible - Single Point". When I close jqt and relaunch it I > >> get > >> > the same result, again. > >> > > >> > So, could you also tell me what you see in the resulting graphic > window? > >> > > >> > I have made no adjustments to Bill's code. > >> > > >> > ''conew'singlepoint' > >> > ┌─┐ > >> > │0│ > >> > └─┘ > >> > JVERSION > >> > Engine: j803/2014-10-19-11:11:11 > >> > Library: 8.03.13 > >> > Qt IDE: 1.3.1/5.3.2 > >> > Platform: Darwin 64 > >> > Installer: J803 install > >> > InstallPath: /users/brian/j64-803 > >> > > >> > > >> > On Sat, Jun 27, 2015 at 3:04 PM, Raul Miller <[email protected]> > >> wrote: > >> > > >> >> Oddly, that no longer works. > >> >> > >> >> > >> > -- > >> > (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
