D3DUnmapEsramMemory

Unmaps ESRAM memory from virtual addresses.

Important This API will fail if called on Xbox One X hardware.

Syntax

HRESULT D3DUnmapEsramMemory(
         UINT Flags,
         VOID *pVirtualAddress,
         UINT NumPages
)

Parameters

Flags
Type: UINT

Flags to control mapping ESRAM memory. One of the D3D11_MAP_ESRAM_FLAG enumeration constants.

pVirtualAddress
Type: VOID *

The virtual address that ESRAM is mapped to. The virtual address must be aligned to the requested page size (either 64KB or 4MB).

NumPages
Type: UINT

The number of ESRAM pages to unmap during this operation. Up to 512 pages can be mapped with 64KB pages, and up to 8 pages can be mapped with 4MB pages. The size of the mapping is NumPages multiplied by the page size specified by Flags.

Return value

Type: HRESULT

Value	Description
S_OK	Memory was successfully unmapped.
E_INVALIDARG	One or more arguments were invalid.

Requirements

Header: Declared in d3d11_x.h (d3d11_1.h on other Windows platforms).

Library: Use d3d11_x.lib (d3d11.lib on other Windows platforms).