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Some vulkan testing on my OnePlus 6
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Some vulkan testing on my OnePlus 6
07-30-2018, 03:44 AM (This post was last modified: 07-30-2018, 03:46 AM by alecTwhite.)
#1
alecTwhite Offline
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I spent a couple hours testing out vulkan on the latest nightly. First off I was surprised it worked at all since on an older version it would just crash dolphin. I don't know if this was fixed by a pr or a driver update since OnePlus had a couple of updates since last I tried. Anyways vulkan works now but in most games alot of the graphics are only partially emulated. For example in Tales of Symphonia all the 2d elements on the menu and field are missing but it looks and runs perfect in a battle. Other games like soul Calibur 2 have 90% missing graphics but you can still hear the audio going. keep in mind I already deleted the old shaders and toggled about every option to see if there was a fix.

Now if you turn on Synchronous (Ubershaders) the graphics are perfect in pretty much every game I tried but the performance tanks to about 5-10fps in most games, sometimes 15-20. Again no option toggling would fix this.

So at first I thought it was a driver issue that was causing the missing graphics but after toggling Synchronous (Ubershaders) I think it might be something dolphin is doing. Any insight into what's going on and is this the case for anyone else? Thank you for your time, and I look forward to testing later versions!
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07-31-2018, 01:50 AM
#2
DJBarry004 Offline
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Synchronous Ubershaders are pretty much demanding for any (desktop/laptop) GPU available (thus the huge loss in performance), let alone smartphones´ GPUs.

I wonder if the Android version has the same "Compile Shaders Before Booting" option like in the PC counterpart. If it does, could you try that?
Rig 1: Windows 10 Home | AMD A6-1450 @ 600/1000/1400 MHz | AMD Radeon HD Graphics 8250 | 4GB RAM | HP Pavilion TouchSmart 11.

Rig 2: Windows 10 Pro | Intel Core i7-2640M @ 780/2800/3500 MHz | Intel HD 3000 Mobile | 8GB RAM | Dell Latitude 6320.
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07-31-2018, 02:13 AM
#3
alecTwhite Offline
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It does let you compile shaders before booting but it doesn't have an effect on performance for Synchronous (Ubershaders) and the other options still have the missing graphics issues.
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07-31-2018, 02:21 AM
#4
DJBarry004 Offline
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I´d say it´s actually a driver problem rather than Dolphin´s then. (I´m just guessing though, I´m no dev).
Rig 1: Windows 10 Home | AMD A6-1450 @ 600/1000/1400 MHz | AMD Radeon HD Graphics 8250 | 4GB RAM | HP Pavilion TouchSmart 11.

Rig 2: Windows 10 Pro | Intel Core i7-2640M @ 780/2800/3500 MHz | Intel HD 3000 Mobile | 8GB RAM | Dell Latitude 6320.
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07-31-2018, 03:31 AM
#5
JonnyH Offline
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I don't think I have found a driver that successfully compiles all the ubershaders on adreno. As far as I could see, the input shader code is correct according to the GLES spec though.

So I believe it's a driver bug, not a dolphin issue as such.
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