WebGLShaderPrecisionFormat.precision

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

var canvas = document.getElementById('canvas'); 
var 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 Status Comment
WebGL 1.0
The definition of 'WebGLShaderPrecisionFormat.precision' in that specification.
Recommendation Initial definition.

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support912411125.1
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes25 Yes Yes128.1 Yes

See also

Document Tags and Contributors

 Contributors to this page: fscholz, nmve, teoli
 Last updated by: fscholz,