Documentation

hi_mpi_rgn_update_canvas

The Atlas 200/300/500 Inference Product does not support this API.

The Atlas Training Series Product does not support this API.

Description

Updates the canvas of a region.

Restrictions

  • 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 MPI.
  • This API supports only OVERLAYEX regions.

Prototype

hi_s32 hi_mpi_rgn_update_canvas(hi_rgn_handle handle)

Parameters

Parameter

Input/Output

Description

handle

Input

Region handle ID.

Value range: [0, 1024)

Returns

Parent topic: Region Management