I just tried QuakeSpasm on my bro's cheap notebook (dual-core Celeron with Intel HD Graphics), and there's a good framerate drop whenever dynamic lights are displayed. Strangely, it doesn't happen in generic GLQuake, everything runs fluidly there. Any suggestions, modifying certain cvars perhaps? 

Do you mean the problem where in widescreen video modes, weapons are too positioned too low (you can only see the tip of the double-barrel shotgun above the HUD)?

This was a problem in most engines for a long time, but the QS devs put in a fix somewhat recently; it's fixed in 0.85.9 at least. Maybe you just need to update? 

MH's dynamic light speed up would solve that.

I patched up some version of Quakespasm 0.85.x with the speed up and sent it to one of the Quakespasm devs (szo?).

One of the devs said they didn't notice a speed difference. I explained it doesn't affect all hardware.

If the hardware in question runs Windows, you can load up FitzQuake Mark V and you'll see the frame rate doesn't drop in dynamic light situations that you experience in Quakespasm.

[@ericw ... doesn't have anything to do with widescreen -- some video cards/drivers don't multithread so if an engine is both rendering some and then uploads textures and renders more --- slows it down to a crawl --- or so I understand from Spike's wisdom explaining the situation. Either way, MH's solution neutralizes the issue.] 

Yes, Fitz MkV solved the dynamic lights lag. However, there are thin (1-2 pixels wide) gray borders along the right and bottom edge of the screen in Fitz MkV, at any resolution. Any way to remove them? Graphics are Intel HD Graphics 2000. Also, is it normal that dynamic lights break through walls? 

Also, is it normal that dynamic lights break through walls?

Yes, shadows from dynamic lights didn't exist at the time Quake was made. If you want to fix that, you'd need to use an engine that supports real time lights like Darkplaces. 

Try using nomtex 

Is it possible to change the heapsize in Quakespasm?
I want to run the In The Shadows mod with it but it always crashes after a while. 

As with all engines, you can use the -heapsize command line argument to increase it. For example: quakespasm.exe -heapsize 128000 (by default, QS allocates 64MB). 

Oh, okay. There is nothing about this in the documentation about this. (Or I'm pretty much blind...) So I wasn't sure if this works.
Thanks. :) 

Another Question:

The Readme says, Quakespasm supports recording demos after launching a server. How does that work?
I want to record a demo inside the new Nyarlathotep map.
When I try "record demo demoname" (after starting the map) the game gives me some "Couldn't spawn server" message.

Something else: Is it possible to play a recorded demo and fly around in it while watching like with noclip? 

>Something else: Is it possible to play a recorded demo and fly around
>in it while watching like with noclip?

That would be awesome. 

Probably you'll just type "record ny_demo" while playing, and it'll start recording your demo. At least that's how it works in other engines. 

Yeah, this worked. Thanks. :) 

Something else: Is it possible to play a recorded demo and fly around in it while watching like with noclip?

The demo files only contain position information for the entities that the engine thinks the player can seem so this doesn't really work as well as you would like. Which is a shame. 

Is there another way to record footage (mostly singleplayer) from different perspective, or even better with moving cameras?

And a little side-question:
Could the same thing be possible in Quake 4?
This would be awesome too... 

in the quakeworld community, mvd demos allow free-floating cameras, or freely switching perspective mid-demo.
It requires server support. 

Did something like this, adding a second client that followed the player around, recording from different positions (chase cam and fixed).

This was supported in AguirRe's engines, but also needed qc. 

I ported Spike's BSP2 patch for Fitzquake mark V to quakespasm. Tronyn's nyar2 and wicked seem to work. Only played a few minutes though.

It's on the patch tracker here:
http://sourceforge.net/p/quakespasm/patches/11/ 

Now that's an advent calendar entry. 

I'll let oz know, hopefully he's fine with integrating this into the mainline. 

That is awesome news! :D 

I can execute that! 

Having bsp2 support in QuakeSpasm (and in official top-of-tree Fitzquake MV for that matter) would be a true Christmas Miracle. 

diff points out difference in the written code.
New vs old version. By now, you have to compile it for yourself:(
Binaries anyone? 

awesome! sound resampling upgrade patch next please ;)