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Vulkan & AMD
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Vulkan & AMD
01-17-2019, 05:18 PM
#1
zasww
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Hello,
I have a laptop with Amd 8670m as discrete GPU and in it does support vulkan but the problem is that dolphin seem to use the iGpu(intel 4400hd) when i choose vulkan api and says "failed to create Vulkan instance"
SO is there any way to jump above this issue ?
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01-17-2019, 05:42 PM
#2
Helios Offline
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on Intel/Nvidia combos nvidia control panel has a way to force programs to run on a specific GPU.

I don't know if AMD has that, but thats what you want to look for.
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01-17-2019, 10:54 PM
#3
zasww
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(01-17-2019, 05:42 PM)Helios Wrote: on Intel/Nvidia combos nvidia control panel has a way to force programs to run on a specific GPU.

I don't know if AMD has that, but thats what you want to look for.

there is no way but to choose High performance which i did, and i know dolphin detect the discrete when i run a game using open gl it shows that the gpu is amd...etc ... and sadly there is no way to disable the igpu since dell lock its bios real hard ...that's why i am asking for a workaround
does this mean that any emu or game will uses the api of the igpu and the core and memory of the amd gpu?
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01-19-2019, 07:53 AM
#4
KHg8m3r Offline
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No, it's actually running on the AMD GPU. The Intel GPU is still in the background, but it's not being used for Dolphin at that time. Once you're in High Performance mode, go ahead and start a game with the Vulkan backend, you should just be good to go
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01-19-2019, 05:50 PM
#5
zasww
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(01-19-2019, 07:53 AM)KHg8m3r Wrote: No, it's actually running on the AMD GPU. The Intel GPU is still in the background, but it's not being used for Dolphin at that time. Once you're in High Performance mode, go ahead and start a game with the Vulkan backend, you should just be good to go

No, kind sir.
While it uses the opengl of the amd gpu.. It seems unable to use vulkan api.. Is it because the igpu is the only one connected to the screen while the dgpu is switchable? Or is there a way to force using vulkan of the 8670m.. This enduro stuff is quite bad i gotta say.
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01-19-2019, 10:24 PM
#6
DJBarry004 Offline
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I did a bit of research and it seems it only supports D3D11 and GL... nothing about Vulkan.
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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01-20-2019, 12:46 AM
#7
zasww
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(01-19-2019, 10:24 PM)DJBarry004 Wrote: I did a bit of research and it seems it only supports D3D11 and GL... nothing about Vulkan.

https://www.techpowerup.com/gpu-specs/radeon-hd-8670m.c2391

https://vulkan.gpuinfo.org

As well as my adrenaline centre shows vulkan api ver. 1.1

Does vulkan need windows 10???
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01-20-2019, 03:57 AM
#8
mbc07 Offline
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Windows 10 has an option to choose the desired graphics card without needing to go into NVIDIA Control Panel or AMD Settings, that would probably do the trick. However, I'm pretty sure you can specify which GPU to use on specific programs in AMD's Control Panel on previous Windows versions.

And about the integrated GPU, it's always used on hybrid graphics laptops (regardless of being AMD or NVIDIA). The discrete GPU will render the frames and then copy them to the iGPU frame buffer so it can be displayed on the screen. Some high-end gaming laptops also has the HDMI/DisplayPort outputs wired directly to the discrete GPU, allowing you to completely bypass the iGPU, but that setup is increasingly becoming uncommon nowadays...

TL;DR you need to figure out how to "force" your discrete GPU for Dolphin on its GPU drivers settings, if you still can't run Vulkan after sorting that out, your GPU doesn't support it...
Avell A70 MOB: Core i7-11800H, GeForce RTX 3060, 16 GB DDR4-3200, Windows 11 (Insider Preview)
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01-20-2019, 11:51 PM (This post was last modified: 01-20-2019, 11:51 PM by mstreurman.)
#9
mstreurman Offline
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(01-20-2019, 12:46 AM)zasww Wrote: https://www.techpowerup.com/gpu-specs/radeon-hd-8670m.c2391

https://vulkan.gpuinfo.org

As well as my adrenaline centre shows vulkan api ver. 1.1

Does vulkan need windows 10???

https://en.wikipedia.org/wiki/Radeon_HD_8000_Series

Quote:[color=#000000]Vulkan (API)[color=#54595d][[/color][color=#0645ad]edit[/color][color=#54595d]][/color][/color]

[color=#222222]API Vulkan 1.0 is supported for all with GCN Architecture. Vulkan 1.1 (GCN 2nd Gen. or 1.2 and higher) will be supported with actual drivers in 2018 (only HD 8770).[url=https://en.wikipedia.org/wiki/Radeon_HD_8000_Series#cite_note-16][/url][/color]

I don't know what version Vulkan is used in Dolphin, but the GCN1.0 (which your Mars XT architecture is) only supports up to Vulkan 1.0, thus if any feature of 1.1+ is used you can forever forget to run Vulkan on this machine. Keep in mind that the centre shows you what version is INSTALLED, not what is SUPPORTED by your GPU. (my old radeon 7500 in my old laptop from 2005 shows Vulkan: 1.1 as well Smile )
Check my profile for up to date specs.
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