安全上下文
此特征只可用于 安全上下文 (HTTPS),在某些或所有 支持浏览器 .

只读 XRWebGLLayer property framebufferHeight indicates the height of the framebuffer, in pixels.

You can get the width of the framebuffer using the framebufferWidth 特性。

句法

let bufferHeight = xrWebGLLayer.framebufferHeight;
					

The height in pixels of the XR device's framebuffer. Each of the framebuffer's attachments (pixel, depth, color, and/or stencil buffers, for example) are all this many pixels tall.

范例

This snippet simply fetches the framebuffer's width and height for later use.

let glLayer = xrSession.renderState.baseLayer;
gl.bindFramebuffer(gl.FRAMEBUFFER, glLayer.framebuffer);
frameWidth = glLayer.framebufferHeight;
frameHeight = glLayer.framebufferHeight;
					

规范

规范 状态 注释
WebXR 设备 API
The definition of 'XRWebGLLayer.framebufferHeight' in that specification.
工作草案 初始定义。

浏览器兼容性

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据
桌面 移动
Chrome Edge Firefox Internet Explorer Opera Safari Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
framebufferHeight Chrome 79 Edge 79 Firefox No IE No Opera No Safari No WebView Android No Chrome Android 79 Firefox Android No Opera Android No Safari iOS No Samsung Internet Android 11.2

图例

完整支持

完整支持

不支持

不支持

另请参阅

元数据

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