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Multiple surfaces low performance?


nick.ace
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So, I was trying to find out why my game's framerate wasn't the best, and I came across an unexpected discovery. When I have 6 separate car models in game, the framerate plummets. However, if I use the same car model, the framerate is more reasonable.

 

Anyway, I was just wondering, is this supposed to happen? I mean I only have 6 AI cars currently, but the performance seems a bit low. The FPS drops about 75% (like from 40 fps to 10 fps or something like that) once all 6 models are added.

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Yeah, so each model is between 5k to 10k, and they only have one texture each, no bones, and the textures are 2k. Each material has three maps attached (a cubemap, a specular mask, and a diffuse). They also have wheels, but the wheel meshes are all the same, regardless of the body model, so that shouldn't do anything wrong. I can post a short video later to show the dip. It seems odd because I wouldn't expect that type of performance decrease.

 

I should also note that I am using a custom shader, but that shader is also used for the test with the 6 uniform cars.

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That graphics card is described as " ultra powerfull" in review I just read.

Yeah, but that's in relation to the price and energy efficiency that it has. I've been pleased with the performance of the card considering that it has a ridiculously low power consumption rate. My processor to be honest is probably more of a bottleneck.

 

I guess related to this:

How many vehicles can be supported by Leadwerks? Was the vehicle class designed for dozens of vehicles or just a few?

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