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One Way To Improve FPS In FSX (Read 9792 times)

Oct 7^th, 2006 at 10:32am

Katahu Offline
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This is just one way to improve the frame rates of FSX. If it doesn't work for you, then I'm pretty sure there is another way.

Click here for the tutorial

The tutorial was made by a friend in the FS2004.com forums who was also the one who did the experiment on converting the DDS textures back and forth to improve FPS. It seems to work wonders for most people. I haven't tried it yet because I don't have the beta and I'm NOT one of the lucky few who have the final version.

I hope the mods make this topic into a sticky so that others can see this. This guy has devoted so much of his time and effort into putting together this tutorial and sharing it with us all.

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Reply #1 - Oct 8^th, 2006 at 11:03am

TacitBlue Offline
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Thanks for the info Kat. Has anyone tried this? I was going to wait and see what others had to say about this before doing it, but no one is responding, so I'll try it myself. I'll keep you posted. Wink

Wink

A&P Mechanic, Rankin Aircraft 78Y

Aircraft are naturally beautiful because form follows function. -TB

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Reply #2 - Oct 8^th, 2006 at 11:41am

wji Offline
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I haven't tried it but DID convert a .dds file to various DXT formats -- none of which showed up in the FSX Preview Window

PhotoShop 7 user

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Reply #3 - Oct 8^th, 2006 at 2:48pm

KDSM Offline
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I tried it. It did improve FPS slightly but all the autogen trees were upside down after conversion soooooooo I went back when someone figures out how to keep the trees rightside up I will try again till then I guess I have to live with single digit FPS

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Reply #4 - Oct 8^th, 2006 at 4:12pm

TacitBlue Offline
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It worked for me. I didn't notice any upside-down trees though. I have no idea what would cause that. My FPS improved a little, enough to be worth it.

This is exciting, my first tweek in the new sim! Grin

Grin

A&P Mechanic, Rankin Aircraft 78Y

Aircraft are naturally beautiful because form follows function. -TB

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Reply #5 - Oct 9^th, 2006 at 12:35am

Super_Game Offline
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Yep, the autogen trees went upside down for me too and then I switched the files back to .dds. Very odd... ???

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Reply #6 - Oct 9^th, 2006 at 9:30am

Fr. Bill Offline
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Quote:

I tried it. It did improve FPS slightly but all the autogen trees were upside down after conversion soooooooo I went back when someone figures out how to keep the trees rightside up I will try again till then I guess I have to live with single digit FPS

That's because you only did half of the task. You are supposed to take the DXT1 textures and convert them back to .dds before using.

.dds textures are 'flipped' upside down, since that's the way they are sent to the video card (bottom-to-top scanning).

However, there's a much easier 'fix' for the autogen posted at http://avsim.com or http://flightsim.com that simply reduces the variety of trees used, and the variety of roofs used in any one scene.

Using these three replacement files has boosted my fps by more than 50% with autogen set to "NORMAL..." From a solid 20fps to a healthy 30+fps in congested areas such as Chicago, New York, etc.

Bill
Gauge Programming - 3d Modeling Eaglesoft Development Group Intel Core 2 Quad Q6600-4GB DDR2 Crucial PC6400-800 GB SATA-ATI Radeon HD2400 Pro 256MB DX10 NOTE: Unless explicitly stated in the post, everything written by my hand is MY opinion. I do NOT speak for any company, real or imagined...

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Reply #7 - Oct 9^th, 2006 at 12:49pm

TacitBlue Offline
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I don't know how I missed it, but my trees are indeed upside down. Roll Eyes

Roll Eyes

Thanks for the new tip n4gix.

A&P Mechanic, Rankin Aircraft 78Y

Aircraft are naturally beautiful because form follows function. -TB

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Reply #8 - Oct 9^th, 2006 at 1:26pm

Scudrunners Offline
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Not sure I want this if I have to have a PHD in programming to get it running on my computer. I would think that as much money as microsoft makes, it should be the one to get it right before releasing it.

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Reply #9 - Oct 9^th, 2006 at 1:32pm

Katahu Offline
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Not sure I want this if I have to have a PHD in programming to get it running on my computer. I would think that as much money as microsoft makes, it should be the one to get it right before releasing it.

I don't think Microsoft intended it as a mistake. If you notice closely in the tutorial, it's basically telling to reduce a DDS file from DXT5 to DXT1. As a result, the autogen textures will become less detailed and will render less features like the building reflections.

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Reply #10 - Oct 9^th, 2006 at 1:54pm

TacitBlue Offline
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n4gix, could you maybe give a file name or direct link? I can't seem to find anything like that on either of those sites.

A&P Mechanic, Rankin Aircraft 78Y

Aircraft are naturally beautiful because form follows function. -TB

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Reply #11 - Oct 9^th, 2006 at 3:15pm

Gypsy_Baron Offline
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Daly City, California

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Quote:

-SNIP-
Using these three replacement files has boosted my fps by more than 50% with autogen set to "NORMAL..." From a solid 20fps to a healthy 30+fps in congested areas such as Chicago, New York, etc.

Fr. Bill...just curious as to your system specs.

Paul

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Reply #12 - Oct 9^th, 2006 at 6:46pm

Felix/FFDS Offline
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Fr. Bill...just curious as to your system specs.

Paul

I think his is made from some dinky outfit called "Cray" ...

Felix/FFDS

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Reply #13 - Oct 9^th, 2006 at 8:55pm

Katahu Offline
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I can understand my laptop with P4 2.8GHZ, 512MB Ram, ATI Radeon 9700 64MB is only enough to get the sim running, but to actually enjoy it is a different matter.

*Katahu looks at his dwindling bank account*

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Reply #14 - Oct 9^th, 2006 at 9:04pm

JBaymore Offline
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Quote:

I think his is made from some dinky outfit called "Cray" ...

Hum....Cray. Must be a minor producer....... haven't seen their stuff at Circuit City or CompUSA. Are they sorta' like Dell? Grin

Grin

best,

...john

Intel i7 960 quad 3.2G LGA 1366, Asus P6X58D Premium, 750W Corsair, 6 gig 1600 DDR3, Spinpoint 1TB 7200 HD, Caviar 500G 7200 HD, GTX275 1280M, Logitec Z640, Win7 Pro 64b, CH Products yoke, pedals + throttle quad, simpit

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