1258211 - WebGLRenderingContext.checkFramebufferStatus returns 0 instead of INVALID_ENUM when target isn't a frame buffer

Status: RESOLVED FIXED

(Developer Documentation Graveyard :: API: Miscellaneous, defect)

Description

[Craig.Gidney]

User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:44.0) Gecko/20100101 Firefox/44.0
Build ID: 20160210153822

Steps to reproduce:

According to the MDN docs at https://developer.mozilla.org/en-US/docs/Web/API/WebGLRenderingContext/checkFramebufferStatus , WebGLRenderingContext.checkFramebufferStatus is supposed to return INVALID_ENUM if the target argument is not gl.FRAMEBUFFER. Actually it returns 0, so either the docs needs to be updated or firefox is doing the wrong thing.

Run this snippet:

var gl = document.createElement('canvas').getContext('webgl');
var code = gl.checkFramebufferStatus(-1);
console.log({actual_code: code, INVALID_ENUM_CODE: gl.INVALID_ENUM});



Actual results:

Object { actual_code: 0, INVALID_ENUM_CODE: 1280 }


Expected results:

Object { actual_code: 1280 , INVALID_ENUM_CODE: 1280 }

Comment 1

[Kelsey Gilbert [:jgilbert]]

This is a docs issue.

Comment 2

[Florian Scholz (Open Web Docs)]

Thanks, updated!