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Addons - Compute Prefix Sum #32231

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3e38cf5
init branch
cmhhelgeson Sep 30, 2025
277001d
sketch out solve
cmhhelgeson Oct 1, 2025
e16c478
prefix_sum
cmhhelgeson Nov 9, 2025
ad81371
fix nodeBuilder rebase error
cmhhelgeson Nov 9, 2025
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6 changes: 3 additions & 3 deletions examples/jsm/gpgpu/BitonicSort.js
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Original file line number Diff line number Diff line change
Expand Up @@ -79,9 +79,9 @@ export class BitonicSort {
/**
* Constructs a new light probe helper.
*
* @param {Renderer} renderer - The current scene's renderer.
* @param {Renderer} renderer - A renderer with the ability to execute compute operations.
* @param {StorageBufferNode} dataBuffer - The data buffer to sort.
* @param {Object} [options={}] - Options that modify the bitonic sort.
* @param {Object} [options={}] - Options that modify the behavior of the bitonic sort.
*/
constructor( renderer, dataBuffer, options = {} ) {

Expand Down Expand Up @@ -119,7 +119,7 @@ export class BitonicSort {
*
* @type {StorageBufferNode}
*/
this.workgroupSize = options.workgroupSize ? Math.min( this.dispatchSize, options.workgroupSize ) : Math.min( this.dispatchSize, 64 );
this.workgroupSize = options.workgroupSize ? Math.min( this.dispatchSize, options.workgroupSize ) : Math.min( this.dispatchSize, this.renderer.backend.device.limits.maxComputeWorkgroupSizeX );

/**
* A node representing a workgroup scoped buffer that holds locally sorted elements.
Expand Down
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