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.
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.
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
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
precision |
9
|
12
|
4
|
11
|
12
|
5.1
|
≤37
|
25
|
4
|
12
|
8
|
1.5
|
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https://developer.mozilla.org/en-US/docs/Web/API/WebGLShaderPrecisionFormat/precision