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WebGPU: Allow to pass to a compute shader the gpu buffer used in a bundle to render instances #13881

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merged 1 commit into from May 19, 2023
Merged

WebGPU: Allow to pass to a compute shader the gpu buffer used in a bundle to render instances #13881

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5 changes: 4 additions & 1 deletion packages/dev/core/src/Engines/WebGPU/webgpuDrawContext.ts
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Expand Up @@ -49,7 +49,10 @@ export class WebGPUDrawContext implements IDrawContext {
this.indirectDrawBuffer = undefined;
this._indirectDrawData = undefined;
} else {
this.indirectDrawBuffer = this._bufferManager.createRawBuffer(40, WebGPUConstants.BufferUsage.CopyDst | WebGPUConstants.BufferUsage.Indirect);
this.indirectDrawBuffer = this._bufferManager.createRawBuffer(
20,
WebGPUConstants.BufferUsage.CopyDst | WebGPUConstants.BufferUsage.Indirect | WebGPUConstants.BufferUsage.Storage
);
this._indirectDrawData = new Uint32Array(5);
this._indirectDrawData[3] = 0;
this._indirectDrawData[4] = 0;
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3 changes: 2 additions & 1 deletion packages/dev/core/src/Meshes/WebGPU/webgpuDataBuffer.ts
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Expand Up @@ -5,8 +5,9 @@ import type { Nullable } from "../../types";
export class WebGPUDataBuffer extends DataBuffer {
private _buffer: Nullable<GPUBuffer>;

public constructor(resource: GPUBuffer) {
public constructor(resource: GPUBuffer, capacity = 0) {
super();
this.capacity = capacity;
this._buffer = resource;
}

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