Function queryFeature

docs/app/js/sanddance-app.js:64120–64150

(gl, cap)

    return gl.luma.caps[cap];
}
function queryFeature(gl, cap) {
    var feature = (0, _webglFeaturesTableDefault.default)[cap];
    (0, _utils.assert)(feature, cap);
    var isSupported;
    var featureDefinition = (0, _gltools.isWebGL2)(gl) ? feature[1] || feature[0] : feature[0];
    if (typeof featureDefinition === "function") isSupported = featureDefinition(gl);
    else if (Array.isArray(featureDefinition)) {
        isSupported = true;
        var _iteratorNormalCompletion = true;
        var _didIteratorError = false;
        var _iteratorError = undefined;
        try {
            for(var _iterator = featureDefinition[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true){
                var extension = _step.value;
                isSupported = isSupported && Boolean(gl.getExtension(extension));
            }
        } catch (err) {
            _didIteratorError = true;
            _iteratorError = err;
        } finally{
            try {
                if (!_iteratorNormalCompletion && _iterator["return"] != null) _iterator["return"]();
            } finally{
                if (_didIteratorError) throw _iteratorError;
            }
        }
    } else if (typeof featureDefinition === "string") isSupported = Boolean(gl.getExtension(featureDefinition));
    else if (typeof featureDefinition === "boolean") isSupported = featureDefinition;
    else (0, _utils.assert)(false);
    return isSupported;
}

},{"./webgl-features-table":"fx1cc","@luma.gl/gltools":"7HW6a","../utils":"eK1k6","@parcel/transformer-js/src/esmodule-helpers.js":"jA2du"}],"bcNND":[function(require,module,exports) {
var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");