Module wp_presentation_feedback

presentation time feedback event

A presentation_feedback object returns an indication that a wl_surface content update has become visible to the user. One object corresponds to one content update submission (wl_surface.commit). There are two possible outcomes: the content update is presented to the user, and a presentation timestamp delivered; or, the user did not see the content update because it was superseded or its surface destroyed, and the content update is discarded.

Once a presentation_feedback object has delivered a ‘presented’ or ‘discarded’ event it is automatically destroyed.

Structs

• Kind
  bitmask of flags in presented event
• WpPresentationFeedback
  presentation time feedback event

Enums

• Event
• Request

Constants

• EVT_DISCARDED_OPCODE
  The wire opcode for this event
• EVT_DISCARDED_SINCE
  The minimal object version supporting this event
• EVT_PRESENTED_OPCODE
  The wire opcode for this event
• EVT_PRESENTED_SINCE
  The minimal object version supporting this event
• EVT_SYNC_OUTPUT_OPCODE
  The wire opcode for this event
• EVT_SYNC_OUTPUT_SINCE
  The minimal object version supporting this event