func (app) EndPaint(e paint.Event) {
// gl.Flush is a lightweight (on modern GL drivers) blocking call
// that ensures all GL functions pending in the gl package have
// been passed onto the GL driver before the app package attempts
// to swap the screen buffer.
//
// This enforces that the final receive (for this paint cycle) on
// gl.WorkAvailable happens before the send on endPaint.
gl.Flush()
endPaint <- e
}
func (app) Publish() PublishResult {
// gl.Flush is a lightweight (on modern GL drivers) blocking call
// that ensures all GL functions pending in the gl package have
// been passed onto the GL driver before the app package attempts
// to swap the screen buffer.
//
// This enforces that the final receive (for this paint cycle) on
// gl.WorkAvailable happens before the send on endPaint.
gl.Flush()
publish <- struct{}{}
return <-publishResult
}
func (app) EndDraw() {
// gl.Flush is a lightweight (on modern GL drivers) blocking call
// that ensures all GL functions pending in the gl package have
// been passed onto the GL driver before the app package attempts
// to swap the screen buffer.
//
// This enforces that the final receive (for this draw cycle) on
// gl.WorkAvailable happens before the send on endDraw.
gl.Flush()
select {
case endDraw <- struct{}{}:
default:
}
}