fix(segmentation): do not use SAB if not specified (#3705)

README.md

@@ -17,6 +17,10 @@ provided by the <a href="https://ohif.org/">Open Health Imaging Foundation (OHIF
 <div align="center">
   📰 <a href="https://ohif.org/news/"><strong>Join OHIF Newsletter</strong></a> 📰
 </div>
+<div align="center">
+  📰 <a href="https://ohif.org/news/"><strong>Join OHIF Newsletter</strong></a> 📰
+</div>
+
 
 
 <hr />

extensions/cornerstone/src/services/SegmentationService/SegmentationService.ts

@@ -7,7 +7,6 @@ import {
   geometryLoader,
   eventTarget,
   getEnabledElementByIds,
-  metaData,
   utilities as csUtils,
   volumeLoader,
 } from '@cornerstonejs/core';
@@ -543,7 +542,7 @@ class SegmentationService extends PubSubService {
       volumeId: segmentationId,
       targetBuffer: {
         type: 'Uint8Array',
-        sharedArrayBuffer: true,
+        sharedArrayBuffer: window.SharedArrayBuffer,
       },
     });
     const derivedVolumeScalarData = derivedVolume.getScalarData();
@@ -964,7 +963,7 @@ class SegmentationService extends PubSubService {
       volumeId: segmentationId,
       targetBuffer: {
         type: 'Uint8Array',
-        sharedArrayBuffer: true,
+        sharedArrayBuffer: window.SharedArrayBuffer,
       },
     });