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WebGLShaderPrecisionFormat: rangeMin property

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

Examples

js

const canvas = document.getElementById("canvas");
const gl = canvas.getContext("webgl");

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

Specifications

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
rangeMin 9 12 4 11 12 5.1 4.4 25 4 12 8 1.5

See also

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https://developer.mozilla.org/en-US/docs/Web/API/WebGLShaderPrecisionFormat/rangeMin