Michael Mainguy
0bb27691fe
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Create a parallel WebGPU XR path that uses XRGPUBinding and XRProjectionLayer instead of the WebGL-only XRWebGLLayer, while preserving the existing WebGL XR path as the default fallback. New files in src/core/xr-webgpu/: - xrGpuTypes.ts: TypeScript declarations for XRGPUBinding spec types - xrGpuSessionSetup.ts: GPUDevice access and session init helpers - xrGpuTextureProvider.ts: Per-frame GPUTexture swap via hwTex.set() - xrGpuLayerWrapper.ts: WebXRLayerWrapper subclass for projection layers - xrGpuRenderTarget.ts: WebXRRenderTarget using XRGPUBinding - xrGpuEntryPoint.ts: Public API for availability check and creation Modified xrEntryHandler.ts to conditionally route through WebGPU or WebGL XR entry based on XRGPUBinding availability. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
33 lines
1.1 KiB
TypeScript
33 lines
1.1 KiB
TypeScript
/**
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* WebXRLayerWrapper subclass for XRProjectionLayer created via XRGPUBinding.
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*/
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import { WebGPUEngine } from "@babylonjs/core";
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import { WebXRLayerWrapper } from "@babylonjs/core/XR/webXRLayerWrapper";
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import type { Scene } from "@babylonjs/core";
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import { XRGPUTextureProvider } from "./xrGpuTextureProvider";
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import type { XRGPUBinding } from "./xrGpuTypes";
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export class XRGPUProjectionLayerWrapper extends WebXRLayerWrapper {
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constructor(
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public override readonly layer: XRProjectionLayer,
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private readonly _gpuBinding: XRGPUBinding,
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private readonly _gpuEngine: WebGPUEngine,
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private readonly _scene: Scene
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) {
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super(
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() => layer.textureWidth,
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() => layer.textureHeight,
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layer,
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"XRProjectionLayer",
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(sessionManager) =>
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new XRGPUTextureProvider(
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sessionManager.scene,
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this,
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_gpuBinding,
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layer,
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_gpuEngine
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)
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);
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}
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}
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