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>
29 lines
949 B
TypeScript
29 lines
949 B
TypeScript
/**
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* Public API for WebGPU XR support.
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* Consumed by xrEntryHandler.ts to conditionally use the WebGPU XR path.
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*/
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import { WebGPUEngine } from "@babylonjs/core";
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import type { AbstractEngine, Scene, WebXRSessionManager } from "@babylonjs/core";
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import { XRGPURenderTarget } from "./xrGpuRenderTarget";
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import { buildWebGPUSessionInit } from "./xrGpuSessionSetup";
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import "./xrGpuTypes"; // ensure global XRGPUBinding augmentation is loaded
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export function isWebGPUXRAvailable(engine: AbstractEngine): boolean {
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return (
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engine instanceof WebGPUEngine &&
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typeof globalThis.XRGPUBinding !== 'undefined'
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);
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}
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export function createWebGPURenderTarget(
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sessionManager: WebXRSessionManager,
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engine: WebGPUEngine,
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scene: Scene
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): XRGPURenderTarget {
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return new XRGPURenderTarget(sessionManager, engine, scene);
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}
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export function getWebGPUSessionInit(): XRSessionInit {
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return buildWebGPUSessionInit();
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}
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