MTLAccelerationStructureSizes The expected sizes for a ray-tracing acceleration structure. Declarationstruct MTLAccelerationStructureSizes TopicsRetrieving the sizesaccelerationStructureSizebuildScratchBufferSizerefitScratchBufferSizeCreating an acceleration size structureinit()init(accelerationStructureSize:buildScratchBufferSize:refitScratchBufferSize:) RelationshipsConforms ToBitwiseCopyableSendable See AlsoCreating acceleration structures for ray tracingmakeAccelerationStructure(descriptor:)makeAccelerationStructure(size:)accelerationStructureSizes(descriptor:)