WebGLShaderPrecisionFormat: precision property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

Note: This feature is available in Web Workers.

The read-only WebGLShaderPrecisionFormat.precision property returns the number of bits of precision that can be represented.

For integer formats this value is always 0.

Examples

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

gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.MEDIUM_FLOAT).precision; // 23
gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.LOW_INT).precision; // 0

Specifications

Specification
WebGL Specification
# DOM-WebGLShaderPrecisionFormat-precision

Browser compatibility

BCD tables only load in the browser

See also