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Old 21 February 2021, 20:37   #521
Rotareneg
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Single non-gsync monitor here, no integrated graphics (desktop PC with antique i7-860 CPU.) In case it's something specific to the GPU BIOS, my card is an Asus Dual GTX 1660 Super Evo OC, DUAL-GTX1660S-O6G-EVO.

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Old 21 February 2021, 21:03   #522
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Quote:
Originally Posted by Toni Wilen View Post
Confusing results. Do you also have G-Sync enabled and/or supported monitor? Just wondering if G-Sync disables it.
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Originally Posted by mcbpete View Post
MultiPlane Overlays supported

Specs:
Card - NVIDIA GeForce RTX 2080 Super
Driver version - v.461.40
OS - Windows 10 v20H2 (Build 19042.804)
Currently have G-Sync off - It seemed to keep randomly breaking hardware optimised video streaming (e.g. Youtube & Netflix) - there would be audio but just a black screen, and I didn't see the benefits of it anyway so have it disabled until further notice ....
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Old 23 February 2021, 22:39   #523
bernd roesch
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Quote:
Originally Posted by Toni Wilen View Post
If you use Direct3D11 mode and Windows is 8.1/10: check if winuaelog.txt has log line "MultiPlane Overlays supported". If it has, report your display card and driver version, thanks.

NVidia supposedly supports MPO since 461.09 but IDXGIOutput2->SupportsOverlays() return FALSE here (Windows 10 19042, RTX3090, 461.40). MPO reduces latency in windowed mode by allowing front buffer rendering. (Note that only if application supports it, WinUAE won't until driver reports it being supported)

I have gforce 1030 and not this line in log. so seem only cards above 10xx series have this feature. I have too 461.40 driver
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Old Yesterday, 18:44   #524
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GTX 1060 with 461.51 driver on Windows 10 Build 19042 - no trace of 'MultiPlane Overlays supported' entry in winuaelog. Enabling/disabling G-sync makes no difference.
Looks like nvidia made it exclusive to RTX series.
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Old Yesterday, 20:37   #525
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On the Quadro driver release notes it says:

Quote:
Added new display features:
Multiplane Overlay--allows for the GPU hardware to composite the final image planes instead of the operating system's Desktop Windows Manager to reduce system latency. (Requires NVIDIA Quadro RTX and later GPUs; SDR currently supported, HDR support to follow)
So probably a Turing and up feature only, meaning RTX 20xx and GTX 16xx cards.
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Old Yesterday, 22:05   #526
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On a related note: Chrome uses MPO, so on my system I can force vsync off in Chrome via the nvidia control panel and get tearing even in a window on tests like this one: https://www.testufo.com/photo#photo=...&stuttersize=0
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