IOSurfaceGetSeed(_:)

Declaration

func IOSurfaceGetSeed(_ buffer: IOSurfaceRef) -> UInt32

Discussion

This will return the current seed value of the buffer and is a cheap call to make to see if the contents of the buffer have changed since the last lock/unlock.

See Also

Functions

• IOSurfaceAlignProperty(_:_:)
• IOSurfaceAllowsPixelSizeCasting(_:)
• IOSurfaceCopyAllValues(_:)
• IOSurfaceCopyValue(_:_:)
• IOSurfaceCreate(_:)
• IOSurfaceCreateMachPort(_:)
• IOSurfaceCreateXPCObject(_:)
• IOSurfaceDecrementUseCount(_:)
• IOSurfaceGetAllocSize(_:)
• IOSurfaceGetBaseAddress(_:)
• IOSurfaceGetBaseAddressOfPlane(_:_:)
• IOSurfaceGetBitDepthOfComponentOfPlane(_:_:_:)
• IOSurfaceGetBitOffsetOfComponentOfPlane(_:_:_:)
• IOSurfaceGetBytesPerElement(_:)
• IOSurfaceGetBytesPerElementOfPlane(_:_:)