Friday, August 28th 2020

Microsoft Rolls Out DirectX 12 Feature-level 12_2: Turing and RDNA2 Support it

Microsoft on Thursday rolled out the DirectX 12 feature-level 12_2 specification. This adds a set of new API-level features to DirectX 12 feature-level 12_1. It's important to understand that 12_2 is not DirectX 12 Ultimate, even though Microsoft explains in its developer blog that the four key features that make up DirectX 12 Ultimate logo requirements were important enough to be bundled into a new feature-level. At the same time, Ultimate isn't feature-level 12_1, either. The DirectX 12 Ultimate logo requirement consists of DirectX Raytracing, Mesh Shaders, Sampler Feedback, and Variable Rate Shading. These four, combined with an assortment of new features make up feature-level 12_2.

Among the updates introduced with feature-level 12_2 are DXR 1.1, Shader Model 6.5, Variable Rate Shading tier-2, Resource Binding tier-3, Tiled Resources tier-3, Conservative Rasterization tier-3, Root Signature tier-1.1, WriteBufferImmediateSupportFlags, GPU Virtual Address Bits resource expansion, among several other Direct3D raster rendering features. Feature-level 12_2 requires a WDDM 2.0 driver, and a compatible GPU. Currently, NVIDIA's "Turing" based GeForce RTX 20-series are the only GPUs capable of feature-level 12_2. Microsoft announced that AMD's upcoming RDNA2 architecture supports 12_2, too. NVIDIA's upcoming "Ampere" (RTX 20-series successors) may support it, too.
Source: Microsoft DirectX Blog
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27 Comments on Microsoft Rolls Out DirectX 12 Feature-level 12_2: Turing and RDNA2 Support it

#26
R82
rvalenciaNAVI 10 processes GCN instructions in 8 clock cycles and RDNA instructions in 7 clock cycles.
Vega 64/VII processes GCN instructions in 12 clock cycles.

At the same FLOPS, NAVI 10 has about 30% to 40% completion time advantage when compared to Vega.


devblogs.microsoft.com/directx/new-in-directx-feature-level-12_2/

Q: Which hardware platforms will support feature level 12_2?
A: We’re absolutely pleased to inform that:
  • Feature level 12_2 is supported on NVIDIA GeForce RTX and NVIDIA Quadro RTX GPUs.
  • AMD’s upcoming RDNA 2 architecture based GPUs will include full feature level 12_2 support.
  • Intel’s roadmap includes discrete GPUs that will empower developers to take full advantage of Feature Level 12_2.
  • Microsoft is collaborating with Qualcomm to bring the benefits of DirectX feature level 12_2 to Snapdragon platforms.
Where Turing GTX's Feature level 12_2 level support?

I Hope this will answer your question...here is the source:www.anandtech.com/show/15880/nvidia-posts-first-directx-12-ultimate-driver-set-enables-gpu-hardware-scheduling
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#27
ValenOne
R82I Hope this will answer your question...here is the source:www.anandtech.com/show/15880/nvidia-posts-first-directx-12-ultimate-driver-set-enables-gpu-hardware-scheduling
That's obsolete information. Feature Level 12_2 goes beyond DirectX12 Ultimate
Your article is dated June 24, 2020

From devblogs.microsoft.com/directx/new-in-directx-feature-level-12_2/

Date: August 27th, 2020

Q: Which hardware platforms will support feature level 12_2?
A: We’re absolutely pleased to inform that:
  • Feature level 12_2 is supported on NVIDIA GeForce RTX and NVIDIA Quadro RTX GPUs.
  • AMD’s upcoming RDNA 2 architecture based GPUs will include full feature level 12_2 support.
  • Intel’s roadmap includes discrete GPUs that will empower developers to take full advantage of Feature Level 12_2.
If a device is feature level 12_2, it has:






Feature12_2 minimumPublic spec
Required driver modelWDDM 2.0
Shader Model6.5Link
Raytracing tierTier 1.1Link
Variable shading rateTier 2Link
Mesh shader tierTier 1Link
Sampler feedbackTier 0.9Link
Resource Binding TierTier 3Link
Tiled ResourcesTier 3
Conservative RasterizationTier 3Link
Root Signature Tier1.1Link
DepthBoundsTestSupportedTRUELink
WriteBufferImmediateSupportFlagsDirect, Compute, Bundle
MaxGPUVirtualAddressBitsPerResource40
MaxGPUVirtualAddressBitsPerProcess40
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