101 lines
3.2 KiB
JavaScript
101 lines
3.2 KiB
JavaScript
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define([
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'../Core/Check',
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'../Core/defaultValue',
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'../Core/defined',
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'../Core/defineProperties',
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'../Core/DeveloperError',
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'./TextureMagnificationFilter',
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'./TextureMinificationFilter',
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'./TextureWrap'
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], function(
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Check,
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defaultValue,
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defined,
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defineProperties,
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DeveloperError,
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TextureMagnificationFilter,
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TextureMinificationFilter,
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TextureWrap) {
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'use strict';
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/**
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* @private
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*/
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function Sampler(options) {
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options = defaultValue(options, defaultValue.EMPTY_OBJECT);
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var wrapS = defaultValue(options.wrapS, TextureWrap.CLAMP_TO_EDGE);
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var wrapT = defaultValue(options.wrapT, TextureWrap.CLAMP_TO_EDGE);
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var minificationFilter = defaultValue(options.minificationFilter, TextureMinificationFilter.LINEAR);
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var magnificationFilter = defaultValue(options.magnificationFilter, TextureMagnificationFilter.LINEAR);
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var maximumAnisotropy = (defined(options.maximumAnisotropy)) ? options.maximumAnisotropy : 1.0;
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//>>includeStart('debug', pragmas.debug);
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if (!TextureWrap.validate(wrapS)) {
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throw new DeveloperError('Invalid sampler.wrapS.');
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}
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if (!TextureWrap.validate(wrapT)) {
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throw new DeveloperError('Invalid sampler.wrapT.');
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}
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if (!TextureMinificationFilter.validate(minificationFilter)) {
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throw new DeveloperError('Invalid sampler.minificationFilter.');
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}
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if (!TextureMagnificationFilter.validate(magnificationFilter)) {
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throw new DeveloperError('Invalid sampler.magnificationFilter.');
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}
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Check.typeOf.number.greaterThanOrEquals('maximumAnisotropy', maximumAnisotropy, 1.0);
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//>>includeEnd('debug');
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this._wrapS = wrapS;
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this._wrapT = wrapT;
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this._minificationFilter = minificationFilter;
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this._magnificationFilter = magnificationFilter;
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this._maximumAnisotropy = maximumAnisotropy;
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}
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defineProperties(Sampler.prototype, {
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wrapS : {
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get : function() {
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return this._wrapS;
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}
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},
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wrapT : {
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get : function() {
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return this._wrapT;
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}
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},
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minificationFilter : {
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get : function() {
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return this._minificationFilter;
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}
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},
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magnificationFilter : {
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get : function() {
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return this._magnificationFilter;
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}
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},
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maximumAnisotropy : {
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get : function() {
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return this._maximumAnisotropy;
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}
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}
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});
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Sampler.equals = function(left, right) {
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return (left === right) ||
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((defined(left)) &&
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(defined(right)) &&
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(left._wrapS === right._wrapS) &&
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(left._wrapT === right._wrapT) &&
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(left._minificationFilter === right._minificationFilter) &&
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(left._magnificationFilter === right._magnificationFilter) &&
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(left._maximumAnisotropy === right._maximumAnisotropy));
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};
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return Sampler;
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});
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