[Phoronix] RADV Re-Enables NGG Geometry Shader Support - Overclock.net - An Overclocking Community
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[Phoronix] RADV Re-Enables NGG Geometry Shader Support

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post #1 of 13 (permalink) Old 01-30-2020, 01:38 PM - Thread Starter
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[Phoronix] RADV Re-Enables NGG Geometry Shader Support

Source: https://www.phoronix.com/scan.php?pa...sa-20.0-NGG-GS

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On top of the last minute Radeon Vulkan "RADV" improvements landing on Wednesday for Mesa 20.0, another big ticket item landed... Well, re-enabled.

Back in July shortly after the Radeon RX 5700 series unveil, RADV added NGG geometry shader support for Navi/GFX10. NGG is the Next-Gen Geometry engines found with Navi but as shown by the RADV driver work and RadeonSI OpenGL driver changes, it can be difficult/buggy to target.
Cracks me up to see AMD brag about their primitive shaders with the release of Vega to dropping implicit support and never releasing an API due to being broken in hardware. While nVidia releases their Turing Mesh shader with a working demo along with documentation.

At least we have third party support to actually deliver.

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Last edited by WannaBeOCer; 01-30-2020 at 07:24 PM.
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post #2 of 13 (permalink) Old 01-30-2020, 02:27 PM
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These drivers arent maintained by AMD, and this feature was included in Navi while they disabled it on Vega, AMD isnt any better than Nvidia(the regard of cripplig an architecture way or other) I wouldnt be surprised if they disabled it because it wouldnt make Navi 10 any special[exclusive hence making it a selling point for those who know] (architecture wise these 2 feature would work on vega)

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post #3 of 13 (permalink) Old 01-30-2020, 03:48 PM
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The best thing AMD ever did was open source their drivers on Linux. If they hadn't, their GPU's wouldn't be good for anything other than a doorstop.

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post #4 of 13 (permalink) Old 01-30-2020, 04:06 PM - Thread Starter
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Quote: Originally Posted by Diffident View Post
The best thing AMD ever did was open source their drivers on Linux. If they hadn't, their GPU's wouldn't be good for anything other than a doorstop.
Without AMD proprietary drivers OpenCL support on Linux would be horrible.

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post #5 of 13 (permalink) Old 01-30-2020, 06:14 PM
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Quote: Originally Posted by WannaBeOCer View Post
Without AMD proprietary drivers OpenCL support on Linux would be horrible.
I came to this thread to read about drivers and ended up looking up your RAM.

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Haha, Liranan, you creep.

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post #6 of 13 (permalink) Old 01-30-2020, 07:25 PM - Thread Starter
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Quote: Originally Posted by Liranan View Post
I came to this thread to read about drivers and ended up looking up your RAM.
They're pretty sweet modules, was sick of getting ripped off by G.Skill and Corsair so I picked up B-Die memory from TeamGroup.

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post #7 of 13 (permalink) Old 01-31-2020, 12:15 AM
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Quote: Originally Posted by WannaBeOCer View Post
Without AMD proprietary drivers OpenCL support on Linux would be horrible.

OpenCL is still a trainwreck.

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post #9 of 13 (permalink) Old 01-31-2020, 04:00 PM - Thread Starter
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Quote: Originally Posted by Diffident View Post
OpenCL is still a trainwreck.
Works fine using amdgpu-pro, ROCm was working fine until ROCm 3.0 was released.

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post #10 of 13 (permalink) Old 01-31-2020, 04:16 PM
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Quote: Originally Posted by WannaBeOCer View Post
Works fine using amdgpu-pro, ROCm was working fine until ROCm 3.0 was released.

I know it works... well I was using Rocm...but OpenCL is still a trainwreck. Rocm doesn't work with all cards, not sure if OpenCL has been fixed on Navi cards, and opencl needs to be extracted from the pro drivers to work with the open source drivers. Rocm and the pro drivers are still only packaged for installation on a limited amount of distros since AMD still can't figure out how to make a universal installer like Nvidia's been doing for almost 20 years.

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