The disableiOES() method of the OES_draw_buffers_indexed WebGL extension enables blending for a particular draw buffer.
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OES_draw_buffers_indexed: disableiOES() method
Syntax
js
disableiOES(target, index)
Parameters
- 
     target
- 
     Must be gl.BLEND.
- 
     index
- 
     An integer ispecifying the draw buffer associated with the constantgl.DRAW_BUFFERi, see WebGL draw buffer constants.
Return value
None (undefined).
Exceptions
- If targetis notgl.BLEND, agl.INVALID_ENUMerror is thrown.
- If indexis not a valid value, agl.INVALID_VALUEerror is thrown.
Examples
Disabling blending for draw buffers
The following two calls disable blending for the draw buffers gl.DRAW_BUFFER0 and gl.DRAW_BUFFER1.
js
const ext = gl.getExtension("OES_draw_buffers_indexed");
ext.disableiOES(gl.BLEND, 0);
ext.disableiOES(gl.BLEND, 1);
Specifications
| Specification | 
|---|
| WebGL OES_draw_buffers_indexed Extension Specification | 
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
| disableiOES | 100 | 100 | 108 | No | 86 | 16 | 100 | 100 | 108 | 69 | 16 | 19.0 | 
See also
© 2005–2023 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
 https://developer.mozilla.org/en-US/docs/Web/API/OES_draw_buffers_indexed/disableiOES