WebGLFramebuffer

WebGLFramebuffer 接口时 WebGL API 的一部分,它提供了一个缓冲区的集合,这些缓冲区可以作为一个整体用作渲染操作的目标缓冲区。

摘要

WebGLFramebuffer 对象的内容不能直接访问,因此该对象没有定义任何用于操作其自身内容的方法和属性。需要使用 WebGLFramebuffer 对象时,请使用 WebGLRenderingContext 对象的以下方法:

示例

创建一个帧缓冲

var canvas = document.getElementById('canvas');
var gl = canvas.getContext('webgl');
var buffer = gl.createFramebuffer();

说明

说明 状态 备注
WebGL 1.0
WebGLFramebuffer
Recommendation Initial definition.

浏览器兼容性

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
WebGLFramebufferChrome Full support 9Edge Full support 12Firefox Full support 4IE Full support 11Opera Full support 12Safari Full support 5.1WebView Android Full support YesChrome Android Full support 25Firefox Android Full support YesOpera Android Full support 12Safari iOS Full support 8Samsung Internet Android Full support Yes
Available in workers
Experimental
Chrome No support NoEdge No support NoFirefox Full support 44
Disabled
Full support 44
Disabled
Disabled From version 44: this feature is behind the gfx.offscreencanvas.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoFirefox Android No support NoOpera Android No support NoSafari iOS No support NoSamsung Internet Android No support No

Legend

Full support  
Full support
No support  
No support
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.
User must explicitly enable this feature.
User must explicitly enable this feature.

参见