Allocate memory with typed array
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function TypedArrayToHeap(arr) { | |
const { name, BYTES_PER_ELEMENT } = arr.constructor; | |
const prefix = name.charAt(0).replace(/I|B/, ''); | |
const heap = Module[`HEAP${prefix}${BYTES_PER_ELEMENT << 3}`]; | |
if (!heap) { | |
throw new Error(`Unknow typed array ${heap}`); | |
} | |
const ptr = Module._malloc(arr.length * BYTES_PER_ELEMENT); | |
heap.set(arr, ptr / BYTES_PER_ELEMENT); | |
return ptr; | |
} |
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