heapAccelerationStructureSizeAndAlign(size:)
Returns the size and alignment, in bytes, of an acceleration structure if you create it from a heap.
Declaration
func heapAccelerationStructureSizeAndAlign(size: Int) -> MTLSizeAndAlignParameters
- size:
The size of an acceleration structure, in bytes.
Return Value
An MTLSizeAndAlign instance
Discussion
Use this method to help estimate an appropriate size for a new heap before you create it.