Contents

getConnectionCount

Reports the number of display connections the device supports, driven from one framebuffer.

Declaration

virtual IOItemCount getConnectionCount(
 void );

Return Value

A count of the number of display connections reported by the framebuffer. Current versions of macOS only support one connection completely.

Overview

IOFramebuffer subclasses may implement functionality where a single framebuffer drives multiple displays. This is not recommended or fully supported and instead multihead cards should implement multiple instances of IOFramebuffer objects to provide full functionality.

See Also

Miscellaneous