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FPS loss after enabling MAV image on DDI


Padonis
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I can confirm this somewhat, but don't you think an FPS impact is to be expected?

 

Running your track in the latest stable, my FPS decreased from 60 to 50. Running the same track in the latest OpenBeta, my FPS decreased from 50 to 40. So my FPS loss is not quite as substantial as in your recording, but it is of course noticable.

 

On the other hand, isn't it obvious that rendering an entirely different image of the world will have a noticeable impact on FPS? The Mav has a different view point than the player, and various filters and effects need to be applied on top of the rendering.

 

However, when I took control from your track, it seems that the largest FPS drop occurs with the camera pointing toward the horizon. As you slew the camera further down to the ground (as would be the most typical use case in pretty much any mission I can think of), the decrease in FPS was a lot lower. Which probably makes sense too, seeing as a view toward the horizon needs to take into account all the objects within visible range, which will be a lot more than with a focused view down to the ground below the aircraft.

 

Oddly enough, using the TGP, my FPS loss was a lot less than with the Mav screen. I can only speculate that the TGP filters require less computing power.

 

In any case, you're right that this is an issue, but you also need to understand that rendering an additional image inevitably requires a lot more computing power, which necessarily comes at the cost of less FPS.

 

Oh, and the A-10 doesn't have DDIs. :smartass:

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This is normal. Either TGP or MAV will cause a performance drop, and having both displaying video at the same time does it even more. It depends on how much is going on (ground object-wise) outside near your jet, and how much is going on in the FOV of your MAV or TGP. If you decrease your cockpit displays resolution to 256, that helps quite a bit, but doesn't solve it completely if you're in an area with lots of buildings and other ground objects.

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Of course, I expect the loss of frames per second, but the number of frames as when enabling TGP. Recently it was in the F-18, on the banal SA image, the "flare" status bars caused a loss of 50% FPS. Similarly here, both images are FLIR, but MAV kills fps many times more than TGP. 1-2 actualizations before, there were no such problems. Setting the quality of the screens in the cockpit, I have always set the maximum value.


Edited by padonis
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