Function hasFeatures

docs/app/js/sanddance-app.js:64099–64106

(gl, features)

    return hasFeatures(gl, feature);
}
function hasFeatures(gl, features) {
    features = Array.isArray(features) ? features : [
        features
    ];
    return features.every(function(feature) {
        return isFeatureSupported(gl, feature);
    });
}
function getFeatures(gl) {
    gl.luma = gl.luma || {};
    gl.luma.caps = gl.luma.caps || {};