videoagp.h header

This header is used by display. For more information, see:

videoagp.h contains the following programming interfaces:

Functions

 
VideoPortGetAgpServices

The VideoPortGetAgpServices function is obsolete and is supported only for backward compatibility with existing drivers.

Callback functions

 
PAGP_COMMIT_PHYSICAL

The AgpCommitPhysical function maps system (physical) memory to the specified range of AGP-decodable physical addresses.
PAGP_COMMIT_VIRTUAL

The AgpCommitVirtual function maps reserved virtual memory to an associated range of AGP-decodable physical addresses.
PAGP_FREE_PHYSICAL

The AgpFreePhysical function frees system memory that was committed by a previous call to AgpCommitPhysical.
PAGP_FREE_VIRTUAL

The AgpFreeVirtual function frees virtual memory committed by a previous call to AgpCommitVirtual.
PAGP_RELEASE_PHYSICAL

The AgpReleasePhysical function frees a physical address range reserved by a previous call to AgpReservePhysical.
PAGP_RELEASE_VIRTUAL

The AgpReleaseVirtual function frees system memory reserved by a previous call to AgpReserveVirtual.
PAGP_RESERVE_PHYSICAL

Learn more about the PAGP_RESERVE_PHYSICAL callback function.
PAGP_RESERVE_VIRTUAL

The AgpReserveVirtual function reserves a range of virtual addresses for AGP.
PAGP_SET_RATE

The AgpSetRate function reprograms the data transfer rate of the AGP chipset.

Structures

 
VIDEO_PORT_AGP_SERVICES

The VIDEO_PORT_AGP_SERVICES structure is obsolete and is supported only for backward compatibility with existing drivers. In its place, driver writers should use VIDEO_PORT_AGP_INTERFACE.

Enumerations

 
VIDEO_PORT_CACHE_TYPE

Learn more about VIDEO_PORT_CACHE_TYPE enumeration.