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WebGL2RenderingContext.getUniformBlockIndex

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The WebGL2RenderingContext.getUniformBlockIndex() method of the WebGL 2 API retrieves the index of a uniform block within a WebGLProgram.

Syntax

GLuint gl.getUniformBlockIndex(program, uniformBlockName);

Parameters

program
A WebGLProgram containing the uniform block.
uniformName
A DOMString specifying the name of the uniform block to whose index to retrieve.

Return value

A GLuint indicating the uniform block index.

Examples

var blockIndex = gl.getUniformBlockIndex(program, 'UBOData');

Specifications

Specification Status Comment
WebGL 2.0
The definition of 'getUniformBlockIndex' in that specification.
Editor's Draft Initial definition for WebGL.
OpenGL ES 3.0
The definition of 'glGetUniformBlockIndex' in that specification.
Standard Man page of the (similar) OpenGL API.

Browser compatibility

Feature Chrome Edge Firefox Internet Explorer Opera Safari
Basic support 56 No 51 No 43 No
Feature Android webview Chrome for Android Edge mobile Firefox for Android IE mobile Opera Android iOS Safari
Basic support 58 58 No 51 No 43 No

See also

© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/WebGL2RenderingContext/getUniformBlockIndex