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97 lines
2.6 KiB
JavaScript
97 lines
2.6 KiB
JavaScript
import Check from "../Core/Check.js";
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import defaultValue from "../Core/defaultValue.js";
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import defined from "../Core/defined.js";
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import destroyObject from "../Core/destroyObject.js";
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import DeveloperError from "../Core/DeveloperError.js";
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import ContextLimits from "./ContextLimits.js";
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import RenderbufferFormat from "./RenderbufferFormat.js";
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/**
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* @private
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*/
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function Renderbuffer(options) {
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options = defaultValue(options, defaultValue.EMPTY_OBJECT);
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//>>includeStart('debug', pragmas.debug);
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Check.defined("options.context", options.context);
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//>>includeEnd('debug');
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var context = options.context;
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var gl = context._gl;
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var maximumRenderbufferSize = ContextLimits.maximumRenderbufferSize;
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var format = defaultValue(options.format, RenderbufferFormat.RGBA4);
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var width = defined(options.width) ? options.width : gl.drawingBufferWidth;
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var height = defined(options.height)
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? options.height
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: gl.drawingBufferHeight;
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//>>includeStart('debug', pragmas.debug);
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if (!RenderbufferFormat.validate(format)) {
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throw new DeveloperError("Invalid format.");
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}
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Check.typeOf.number.greaterThan("width", width, 0);
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if (width > maximumRenderbufferSize) {
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throw new DeveloperError(
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"Width must be less than or equal to the maximum renderbuffer size (" +
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maximumRenderbufferSize +
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"). Check maximumRenderbufferSize."
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);
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}
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Check.typeOf.number.greaterThan("height", height, 0);
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if (height > maximumRenderbufferSize) {
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throw new DeveloperError(
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"Height must be less than or equal to the maximum renderbuffer size (" +
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maximumRenderbufferSize +
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"). Check maximumRenderbufferSize."
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);
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}
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//>>includeEnd('debug');
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this._gl = gl;
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this._format = format;
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this._width = width;
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this._height = height;
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this._renderbuffer = this._gl.createRenderbuffer();
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gl.bindRenderbuffer(gl.RENDERBUFFER, this._renderbuffer);
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gl.renderbufferStorage(gl.RENDERBUFFER, format, width, height);
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gl.bindRenderbuffer(gl.RENDERBUFFER, null);
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}
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Object.defineProperties(Renderbuffer.prototype, {
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format: {
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get: function () {
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return this._format;
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},
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},
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width: {
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get: function () {
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return this._width;
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},
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},
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height: {
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get: function () {
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return this._height;
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},
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},
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});
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Renderbuffer.prototype._getRenderbuffer = function () {
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return this._renderbuffer;
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};
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Renderbuffer.prototype.isDestroyed = function () {
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return false;
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};
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Renderbuffer.prototype.destroy = function () {
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this._gl.deleteRenderbuffer(this._renderbuffer);
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return destroyObject(this);
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};
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export default Renderbuffer;
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