Swap buffers

One room in my map seems to have very high swap buffer levels:



I've read various posts, including the the below, which describe what these actually are:
http://www.chatbear.com/board.plm?a=viewthread&t=797,1101160794,24591&id=731928&b=4989&v=flatold

However, I don't see why I'm getting them so bad in this part of my map- in particular, they seem to climb and climb as I get closer to the displacement surfaces!- though they are high in various other parts. They also completely disappear when you turn on mat_wireframe, but as I said they are at their highest when looking at nothing but a wall. I have tried various things, including removing lighting and the displacement surfaces but neither seems to fix; in fact, it seems as if this is actually being caused by the game rendering everything else in the level but lumping it into this category!

If anyone knows what's going on or how to fix this, please let me know :smile:

I read somewhere that large water areas could also cause this
SwapBuffers problem. This leads me to believe that it has
something to do with cubemaps and/or reflective surfaces (like the
combine metal textures you have). I did a search and pulled
this up:

http://www.chatbear.com/board.plm?a=viewthread&b=4989&t=214,1104535139,19559&s=0&id=766164#1

[size=13]In my map when I turn on +showbudget, it
sometimes shows my swap buffers really high...sometimes even as far as
the graph line can go. Is this normal? I notice it goes really high
when I put my face up to the citadel metal textures especially.

So it's possible that it's the metal textures that are causing the
problem, either by themseleves or by trying to reflect a complicated
displacement surface. Maybe you could try either texturing them
with the cheap version of the texture or replacing it with something
else. The second option probably isn't good in the long run, but
would probably be the quickest way of figuring out if the combine
textures are the problem.

[/size]

Yes, like I said in my edit they sometimes climb when you get close to the rocks. You might be right about the env_cubemaps, as this is a large room and perhaps the reflections are thus quite complicated to do :/

There's a mention of swap buffers in water section of
this
page. Might help some.

Ah, thanks for that (useful info at the bottom about fill-rate issues) :smile:

May I ask what console command displays that graph?

+showbudget