dmemmgr.h header

This header is used by Display Devices Reference. For more information, see:

• Display Devices Reference

dmemmgr.h contains the following programming interfaces:

Functions

HeapVidMemAllocAligned The HeapVidMemAllocAligned function allocates off_screen_memory for a display driver by using the DirectDraw video memory heap manager.
VidMemFree The VidMemFree function frees off-screen memory allocated for a display driver by HeapVidMemAllocAligned.

Structures

DD_GETHEAPALIGNMENTDATA The DD_GETHEAPALIGNMENTDATA structure contains data on required alignments from a particular heap.
HEAPALIGNMENT The HEAPALIGNMENT structure contains data specifying the alignment requirements for a given display memory heap.
SURFACEALIGNMENT The SURFACEALIGNMENT structure is used by a display driver to describe the alignment restrictions for a surface being allocated by HeapVidMemAllocAligned.
VMEMHEAP The VMEMHEAP structure contains information about the heap.