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The WebGLRenderingContext.isFramebuffer()
method of the WebGL API returns true
if the passed WebGLFramebuffer
is valid and false
otherwise.
Syntax
GLboolean gl.isFramebuffer(framebuffer);
Parameters
- framebuffer
- A
WebGLFramebuffer
to check.
Return value
A GLboolean
indicating whether or not the frame buffer is valid.
Examples
Checking a frame buffer
var canvas = document.getElementById('canvas'); var gl = canvas.getContext('webgl'); var framebuffer = gl.createFramebuffer(); gl.isFramebuffer(framebuffer);
Specifications
Specification | Status | Comment |
---|---|---|
WebGL 1.0 The definition of 'isFramebuffer' in that specification. |
Recommendation | Initial definition. |
OpenGL ES 2.0 The definition of 'glIsFramebuffer' in that specification. |
Standard | Man page of the OpenGL API. |
Browser compatibility
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.
Desktop | Mobile | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic support | Chrome Full support 9 | Edge Full support 12 | Firefox Full support 4 | IE Full support 11 | Opera Full support 12 | Safari Full support 5.1 | WebView Android Full support Yes | Chrome Android Full support 25 | Edge Mobile Full support Yes | Firefox Android Full support Yes | Opera Android Full support 12 | Safari iOS Full support 8.1 | Samsung Internet Android Full support Yes |
Legend
- Full support
- Full support