Bug report: OGL2 shaders + liquid = messed up text

[Clueless Newbie]

If I play a level that has liquidand the OGL 2 shaders are on, the text will drift around, making them unreadable. This screen is taken from the top of Oil Rig:

http://www.notam02.no/~clund/nexuiz/OGL2bug.jpg

I'm still playing 2.2.1 since the "Black menu screen" bug is still present in 2.2.2 and 2.2.3, so maybe this OGL2 bug has alrady been fixed?

[divVerent]

Yes, a known bug in the OS X ATI driver. And one of the reasons why OpenGL 2.0 shaders are disabled by default on OS X.

Let's wait until Apple FINALLY fixes that, and the other OS X GLSL bugs (namely, jagged realtime shadows, bloom at wrong position).

The problem is, it isn't our bug - all we can do is work around it, and in this case, we disable OpenGL 2.0 shaders. The menu bug will also be just fixed by a workaround in 2.3 - we'll disable the texture non-power-of-two extension for OS X because OS X drivers report it as supported but then draw nothing.

All you can do is complain to Apple so they get their drivers fixed.

[torus]

Same problem I had. Look here. Seems that the answer is simply not to play with OGL2.

http://alientrap.org/forum/viewtopic.php?t=1489&highlight=opengl

[esteel]

But i do not understand why you still have that black menu in 2.2.3.. the startup file for mac should disable the texture non-power-of-two extension which is causing this black menu. Sounds more like you did something wrong with updating..

[Clueless Newbie]

Yes, a known bug in the OS X ATI driver. And one of the reasons why OpenGL 2.0 shaders are disabled by default on OS X.

Let's wait until Apple FINALLY fixes that, and the other OS X GLSL bugs (namely, jagged realtime shadows, bloom at wrong position).

Ah, ok. I wondered about that bloom thing too, but I generally play with it off anyway. I do that with OGL 2 on levels with liquids as well.

And I'm relieved to hear you'll find a workaround for menu thing in the next update of Nexuiz. B)

[Clueless Newbie]

But i do not understand why you still have that black menu in 2.2.3.. the startup file for mac should disable the texture non-power-of-two extension which is causing this black menu. Sounds more like you did something wrong with updating..

What I did was download the full version of N2.2.3, tossed the .nexuiz folder in the trash, and played from the N2.3.3 folder. I assumed that would mean all the 2.2.1 stuff would be ignored by 2.2.3...

[esteel]

Yes that should work fine.. can you please try the following:
Start Nexuiz, open the console with shift-escape, enter condump bla.txt and then find the file ~/.nexuiz/data/bla.txt and search for power in it?
You should find it two times.. the first in a LONG line starting with

Code: Select all

7GL_EXTENSIONS:

and the second time in this line:

Code: Select all

^7checking for GL_ARB_texture_non_power_of_two...  disabled by commandline

That second line is the important one as it confirms this extension IS disabled.. But on the other hand you can try the 2.3 test release we did in the forum. And we want to do a FINAL one later today.

[Clueless Newbie]

Yes that should work fine.. can you please try the following:
Start Nexuiz, open the console with shift-escape, enter condump bla.txt and then find the file ~/.nexuiz/data/bla.txt and search for power in it?
You should find it two times.. the first in a LONG line starting with

Code: Select all

7GL_EXTENSIONS:

and the second time in this line:

Code: Select all

^7checking for GL_ARB_texture_non_power_of_two...  disabled by commandline

That second line is the important one as it confirms this extension IS disabled..

power only appears once in bla.txt; in this line:

Code: Select all

GL_ARB_occlusion_query GL_ARB_point_sprite GL_ARB_texture_non_power_of_two

I'm using 2.2.1, though.

But on the other hand you can try the 2.3 test release we did in the forum. And we want to do a FINAL one later today.

I don't really have time to do that, I'm afraid (depending on how late "later" is, of course).

[esteel]

power only appears once in bla.txt; in this line:

I'm using 2.2.1, though.

I don't really have time to do that, I'm afraid (depending on how late "later" is, of course).

in 2.2.1 thats to be expected as it did not USE that extension.. that line is just a list of all the extension your graphic card and drivers reported.. So its no wonder its working.
The great question is: in 2.2.3 we normally USE that extension. On mac we disable this use as it leads to problems like you reported. Thats why i want to find out if that extension is REALLY disabled for you or not! IF is IS disabled we have a new bug.. And if its NOT disabled we have to find out why so..

And sorry i was unclear.. we want to do a final test release today.. But feel free to use one of the other three test released we did so far.. Look in the developer subforum..

[Clueless Newbie]

power only appears once in bla.txt; in this line:
I'm using 2.2.1, though.
I don't really have time to do that, I'm afraid (depending on how late "later" is, of course).

in 2.2.1 thats to be expected as it did not USE that extension.. that line is just a list of all the extension your graphic card and drivers reported.. So its no wonder its working.
The great question is: in 2.2.3 we normally USE that extension. On mac we disable this use as it leads to problems like you reported. Thats why i want to find out if that extension is REALLY disabled for you or not! IF is IS disabled we have a new bug.. And if its NOT disabled we have to find out why so..

I found the time to test 2.3.3 after all (or whatever version of Nex that comes with data20070519d.pk3). And once again, I got the black screen. I entered the console - I think, but I was still looking at a black screen so I couldn't do anything useful there. B(

But there is one oddity I keep noticing each time I try these builds: Instead of deleting the .nexuiz/ folder, I either rename it or move it to the trash. Then when I'm done with the testing, I take the .nexuiz/ folder out of the trash or rename it .nexuiz/. The configs always change when I do this, and this time I even found a folder in .nexuiz/data/ that had a backup of the old .nexuiz folder, but with the temprorary name I gave it.

What's going on here? Does Nexuiz hide a copy of the configs somewhere on the HD or does a new install start by ferreting out an old config file on the HD? Or are older data(number).pk3s interfering somehow?

Are you sure Nexuiz only stores it's files in .nexuiz and whatever folder the game is in? There is no backup stashed away somewhere? I find this behaviour odd, to say the least. I'm beginning to wonder whether I'll have to not only trash but also delete all Nexuiz files and only then try the latest build.