videoagp.h header

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

  • Display videoagp.h contains the following programming interfaces:

Functions

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VideoPortGetAgpServices The VideoPortGetAgpServices function is obsolete and is supported only for backward compatibility with existing drivers.

Callback functions

Title Description
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 The AgpReservePhysical function reserves a range of physical addresses on the system bus to which the AGP controller can respond.
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

Title Description
VIDEO_PORT_AGP_SERVICES The VIDEO_PORT_AGP_SERVICES structure is obsolete and is supported only for backward compatibility with existing drivers.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.