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VMEMHEAP structure

The VMEMHEAP structure contains information about the heap.

Syntax


typedef struct _VMEMHEAP {
  DWORD         dwFlags;
  DWORD         stride;
  LPVOID        freeList;
  LPVOID        allocList;
  DWORD         dwTotalSize;
  FLATPTR       fpGARTLin;
  FLATPTR       fpGARTDev;
  DWORD         dwCommitedSize;
  DWORD         dwCoalesceCount;
  HEAPALIGNMENT Alignment;
  DDSCAPSEX     ddsCapsEx;
  DDSCAPSEX     ddsCapsExAlt;
  LARGE_INTEGER liPhysAGPBase;
  HANDLE        hdevAGP;
  LPVOID        pvPhysRsrv;
#if (NTDDI_VERSION >= NTDDI_WINXP)
  BYTE          *pAgpCommitMask;
  DWORD         dwAgpCommitMaskSize;
#endif 
} VMEMHEAP, FAR *LPVMEMHEAP;

Members

dwFlags

Reserved for system use and should be ignored by the driver.

stride

Reserved for system use and should be ignored by the driver.

freeList

Reserved for system use and should be ignored by the driver.

allocList

Reserved for system use and should be ignored by the driver.

dwTotalSize

Reserved for system use and should be ignored by the driver.

fpGARTLin

Points to the linear graphic address remapping table (GART) address of the start of the heap for nonlocal display memory.

fpGARTDev

Points to the physical GART address of the start of the heap for nonlocal display memory.

dwCommitedSize

Reserved for system use and should be ignored by the driver.

dwCoalesceCount

Reserved for system use and should be ignored by the driver.

Alignment

Reserved for system use and should be ignored by the driver.

ddsCapsEx

Reserved for system use and should be ignored by the driver.

ddsCapsExAlt

Reserved for system use and should be ignored by the driver.

liPhysAGPBase

Reserved for system use and should be ignored by the driver.

hdevAGP

Reserved for system use and should be ignored by the driver.

pvPhysRsrv

Reserved for system use and should be ignored by the driver.

pAgpCommitMask

Reserved for system use and should be ignored by the driver.

dwAgpCommitMaskSize

Reserved for system use and should be ignored by the driver.

Requirements

Header

Dmemmgr.h (include Dmemmgr.h)

 

 

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