hi_mpi_rgn_update_canvas

Product	Supported
Atlas A3 training products / Atlas A3 inference products	x
Atlas A2 training products / Atlas A2 inference products	x
Atlas 200I/500 A2 inference products	√
Atlas inference products	x
Atlas training products	x

Updates the canvas of a region.

The Ascend EP form of Atlas 200I/500 A2 inference products does not support this API.

hi_s32 hi_mpi_rgn_update_canvas(hi_rgn_handle handle)

Parameter	Input/Output	Description
handle	Input	Region handle ID. Value range: [0, 1024)

Parameter

Input/Output

Description

handle

Input

Region handle ID.

Value range: [0, 1024)

The regions must be created before you call this API.
This API works with hi_mpi_rgn_get_canvas_info. It is used to switch the canvas display after the canvas memory data is updated.
Obtain canvas information each time before calling this API.
This API supports only OVERLAYEX regions.