// d3d12umddi.h

typedef enum D3D12DDI_RAYTRACING_TIER {
  D3D12DDI_RAYTRACING_TIER_NOT_SUPPORTED = 0,
  D3D12DDI_RAYTRACING_TIER_1_0 = 10,
  D3D12DDI_RAYTRACING_TIER_1_1 = 11
} ;
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Windows Driver Kit DDI reference (ne-d3d12umddi-d3d12ddi_raytracing_tier)

D3D12DDI_RAYTRACING_TIER enumeration

Description

A D3D12DDI_RAYTRACING_TIER value specifies the level of raytracing support provided by the graphics hardware.

Constants

`D3D12DDI_RAYTRACING_TIER_NOT_SUPPORTED:0`

There is no support for raytracing on the device.

`D3D12DDI_RAYTRACING_TIER_1_0:10`

The device supports tier 1 raytracing.

`D3D12DDI_RAYTRACING_TIER_1_1:11`

The device supports tier 1.1 raytracing. Available starting with Windows 10, version 2004.

Remarks

See D3D12_RAYTRACING_TIER for a detailed description for each tier level.

See the DirectX Raytracing (DXR) functional specification for more information.

D3D12DDI_RAYTRACING_TIER - NtDoc