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WebGL2RenderingContext.getUniformBlockIndex

This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

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 Servo
Basic Support 56 No support 51.0 No support 43 No support No support
Feature Android Chrome for Android Edge Mobile Firefox for Android IE Mobile Opera Mobile Safari Mobile
Basic Support No support No support No support No support No support No support No support

See also

© 2005–2017 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