Teeworlds - general

is the opengl 3.3 thing still experimental? (edited)

I don't thing there is an opengl 3 renderer in vanilla at all

08:36

on the ddnet client it is pretty stable but we don't enable it by default because some people have issues with it

anybody down for some instagib dm or even flagball?

@Lockers you could @.here in https://discord.gg/BWBE6c for flagball

1

While the opengl 3.3 renderer is stable for me, it's slower than the old one in some cases. It's faster at rendering maps but the menus (especially the serverbrowser) are slower in 3.3

Some games let you choose

It basically emulates legacy opengl, since teeworlds relies on direct mode rendering. Actually modern drivers are better at doing this

The 3d texture hack vanilla does is pretty

But you cannot use mipmaps with it. This would require 2d texture arrays (opengl 3)

What kind of toaster still doesn't support gl3?

Hardly anything, yeah. But that does not mean that the drivers perform well =\

10:51

However other vendors have shitty drivers for legacy opengl but better ones for the modern stuff

it's six of one half a dozen of the other

But still... Opengl 3+ requires you to store your data on the gpu. Teeworlds regenerates all vertex data each frame, so you have to stream everything =\

fixes a bug in a non hacky way, gets us way better performance rendering the actual tiles which is on the screen most of the time

11:01

but alas, the legacy ffp will stay with teeworlds until the day it dies, our ramblings are insignificant

11:03

Teeworlds never had much of a performance concern at all, why else would everything be stored in the naivest data structures ever manipulated by the naivest algorithms possible except for the very low level engine stuff that has to pick up the slack for the rest of the code

Actually speeding up the tile rendering should be doable with opengl 2.1. The streaming method used by ddnet is slower than opengl client arrays (at least for some drivers... Tested it on Intel and Nvidia gpus). For example the server browser has way higher fps with legacy opengl for me. But in general I agree that relying on OpenGL 1.1 isn't a good idea...

Eh the compatibility profile isn't likely to go anywhere and I guess with newer gpus even if the driver support for it starts to suffer from bitrot it'd still perform decent just because the gpus are getting better

True, but using texture arrays, VBOs or some other "modern" features might still be useful

One can hope

11:18

I should finish up that editor new map thing

@Dune what about requiring opengl 2.1 instead of 1.1 for tw. It's possible to write 2.1 code that is mostly compatible with 3.3 (except for VAOs and direct mode rendering). This would allow to add some 3.3 stuff without having two completely separate backends.

I dont know much about opengl

I know a little

how do I find out what my graphics card/driver supports?

I play openspades

11:24

And

On Linux glxinfo should do

11:26

Probably OpenGL 4+ anyway :D

3.0 for my old netbook, 4.6 for the other computer

11:27

glxinfo -B

Hmm okay

but it's very old I gues

I have a opengl 1.2 gfx card somewhere in my cabinet

Wow

glxinfo -B | grep "OpenGL version"

GeForce 256 gang

https://en.wikipedia.org/wiki/GeForce_256

GeForce 256

The GeForce 256 is the original release in Nvidia's "GeForce" product-line. Announced on August 31, 1999 and released on October 11, 1999, the GeForce 256 improves on its predecessor (RIVA TNT2) by increasing the number of fixed pixel pipelines, offloading host geometry calcu...

Salvaged from a very old desktop that mostly worked, I wonder if the card still works

GeForce 256 was marketed as "the world's first 'GPU', or Graphics Processing Unit", a term Nvidia defined at the time as "a single-chip processor with integrated transform, lighting, triangle setup/clipping, and rendering engines that is capable of processing a minimum of 10 million polygons per second."[7]

It says opengl 1.2... I think 3d textures in 0.7 already require 1.3

I don't expect it to run teeworlds to begin with

True ^^

the thing is atleast 20 years old

mine is the onboard graphics card of intel celeron 1007u btw

Did you know that a macbook pro from 2017 struggles with tw?

11:36

could fry an egg on the keyboard if you wanted

did apple get rid of opengl already?

no it's still there

But they don't care too much about the driver performance I guess...

it's deprecated so probably yeah

Metal backend!

something else also seems broken

dbg_graphs 0

Let's rewrite teeworlds with vulkan