W3cubDocs

/DOM

WebGLShaderPrecisionFormat.rangeMax

The read-only WebGLShaderPrecisionFormat.rangeMax property returns the base 2 log of the absolute value of the maximum value that can be represented.

Examples

var canvas = document.getElementById('canvas'); 
var gl = canvas.getContext('webgl');

gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.MEDIUM_FLOAT).rangeMax; // 127
gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.LOW_INT).rangeMax; // 24

Specifications

Specification Status Comment
WebGL 1.0
The definition of 'WebGLShaderPrecisionFormat.rangeMax' in that specification.
Recommendation Initial definition.

Browser compatibility

Feature Chrome Edge Firefox Internet Explorer Opera Safari Servo
Basic Support 9 12 11.0 11 12 5.1 No support
Feature Android Chrome for Android Edge Mobile Firefox for Android IE Mobile Opera Mobile Safari Mobile
Basic Support (Yes) 25 No support (Yes) 11 12 8.1

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/WebGLShaderPrecisionFormat/rangeMax