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Holoplay WebXR FBO repro
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" /> | |
| <style> | |
| body { | |
| margin: 0; | |
| } | |
| canvas { | |
| display: block; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script type="module"> | |
| import * as THREE from 'three' | |
| import { VRButton } from 'three/examples/jsm/webxr/VRButton.js' | |
| import { LookingGlassWebXRPolyfill, LookingGlassConfig } from '@lookingglass/webxr' | |
| const renderer = new THREE.WebGLRenderer({ antialias: true, powerPreference: 'high-performance' }) | |
| renderer.xr.enabled = true | |
| renderer.setSize(window.innerWidth, window.innerHeight) | |
| document.body.appendChild(renderer.domElement) | |
| const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight) | |
| camera.position.set(0, 1.3, 3) | |
| const config = LookingGlassConfig | |
| config.tileHeight = 512 | |
| config.numViews = 45 | |
| config.targetY = 0 | |
| config.targetZ = 0 | |
| config.targetDiam = 3 | |
| config.fovy = camera.fov * (Math.PI / 180) | |
| config.inlineView = 2 | |
| new LookingGlassWebXRPolyfill() | |
| document.body.appendChild(VRButton.createButton(renderer)) | |
| const scene = new THREE.Scene() | |
| scene.add(new THREE.GridHelper()) | |
| scene.add(new THREE.Mesh(new THREE.BoxGeometry(), new THREE.MeshNormalMaterial())) | |
| renderer.setAnimationLoop(() => { | |
| // Uncomment this line to reproduce | |
| renderer.setRenderTarget(null) | |
| // User-land fix (must be before render) | |
| const gl = renderer.getContext() | |
| const session = renderer.xr.getSession() | |
| gl.bindFramebuffer(gl.FRAMEBUFFER, session?.renderState?.baseLayer?.framebuffer ?? null) | |
| renderer.render(scene, camera) | |
| }) | |
| </script> | |
| </body> | |
| </html> |
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| { | |
| "dependencies": { | |
| "@lookingglass/webxr": "^0.2.1", | |
| "three": "^0.145.0", | |
| "vite": "^3.1.8" | |
| }, | |
| "scripts": { | |
| "dev": "vite" | |
| } | |
| } |
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