// d3dkmdt.h

typedef enum _D3DKMDT_STANDARDALLOCATION_TYPE {
  D3DKMDT_STANDARDALLOCATION_SHAREDPRIMARYSURFACE = 1,
  D3DKMDT_STANDARDALLOCATION_SHADOWSURFACE = 2,
  D3DKMDT_STANDARDALLOCATION_STAGINGSURFACE = 3,
  D3DKMDT_STANDARDALLOCATION_GDISURFACE = 4,
  D3DKMDT_STANDARDALLOCATION_VGPU = 5,
  D3DKMDT_STANDARDALLOCATION_FENCESTORAGE = 6
} D3DKMDT_STANDARDALLOCATION_TYPE;
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Windows Driver Kit DDI reference (ne-d3dkmdt-_d3dkmdt_standardallocation_type)

D3DKMDT_STANDARDALLOCATION_TYPE enumeration

Description

The D3DKMDT_STANDARDALLOCATION_TYPE enumeration contains values that identify particular types of surfaces.

Constants

`D3DKMDT_STANDARDALLOCATION_SHAREDPRIMARYSURFACE:1`

Indicates that the surface is a shared primary surface, which is opened by multiple applications that all require direct central processing unit (CPU) access to it.

`D3DKMDT_STANDARDALLOCATION_SHADOWSURFACE:2`

Indicates that the surface is a shadow surface.

`D3DKMDT_STANDARDALLOCATION_STAGINGSURFACE:3`

Indicates that the surface is a staging surface.

`D3DKMDT_STANDARDALLOCATION_GDISURFACE:4`

Indicates that the surface is used for GDI hardware acceleration and Desktop Windows Manager (DWM) redirection.

This constant value is available beginning with Windows 7.

`D3DKMDT_STANDARDALLOCATION_VGPU:5`

Indicates that the surface is an allocation for a virtual graphics processing unit (GPU). Available starting in WDDM 2.1.

`D3DKMDT_STANDARDALLOCATION_FENCESTORAGE:6`

Indicates that the surface is an allocation for a fence.

D3DKMDT_STANDARDALLOCATION_TYPE - NtDoc