// d3dkmthk.h

typedef enum _D3DKMT_CROSSADAPTERRESOURCE_SUPPORT_TIER {
  D3DKMT_CROSSADAPTERRESOURCE_SUPPORT_TIER_NONE,
  D3DKMT_CROSSADAPTERRESOURCE_SUPPORT_TIER_COPY,
  D3DKMT_CROSSADAPTERRESOURCE_SUPPORT_TIER_TEXTURE,
  D3DKMT_CROSSADAPTERRESOURCE_SUPPORT_TIER_SCANOUT
} D3DKMT_CROSSADAPTERRESOURCE_SUPPORT_TIER;
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Windows Driver Kit DDI reference (ne-d3dkmthk-d3dkmt_crossadapterresource_support_tier)

Description

Currently reserved for system use. D3DKMT_CROSSADAPTERRESOURCE_SUPPORT_TIER enumerates the tier(s) of support provided by the driver for cross-adapter resources.

Constants

`D3DKMT_CROSSADAPTERRESOURCE_SUPPORT_TIER_NONE`

The driver does not provide cross-adapter resource support.

`D3DKMT_CROSSADAPTERRESOURCE_SUPPORT_TIER_COPY`

The driver supports copying to and from cross-adapter shared resources.

`D3DKMT_CROSSADAPTERRESOURCE_SUPPORT_TIER_TEXTURE`

The driver supports shader resource views, unordered access views, and render target views of cross-adapter row-major textures.

`D3DKMT_CROSSADAPTERRESOURCE_SUPPORT_TIER_SCANOUT`

The driver supports scan-out of cross-adapter resources.

D3DKMT_CROSSADAPTERRESOURCE_SUPPORT_TIER - NtDoc