cesium
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CesiumJS is a JavaScript library for creating 3D globes and 2D maps in a web browser without a plugin.
1,474 lines (1,367 loc) • 117 kB
JavaScript
/**
* Cesium - https://github.com/AnalyticalGraphicsInc/cesium
*
* Copyright 2011-2017 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/AnalyticalGraphicsInc/cesium/blob/master/LICENSE.md for full licensing details.
*/
(function () {
define('Core/defined',[],function() {
'use strict';
/**
* @exports defined
*
* @param {Object} value The object.
* @returns {Boolean} Returns true if the object is defined, returns false otherwise.
*
* @example
* if (Cesium.defined(positions)) {
* doSomething();
* } else {
* doSomethingElse();
* }
*/
function defined(value) {
return value !== undefined && value !== null;
}
return defined;
});
define('Core/freezeObject',[
'./defined'
], function(
defined) {
'use strict';
/**
* Freezes an object, using Object.freeze if available, otherwise returns
* the object unchanged. This function should be used in setup code to prevent
* errors from completely halting JavaScript execution in legacy browsers.
*
* @private
*
* @exports freezeObject
*/
var freezeObject = Object.freeze;
if (!defined(freezeObject)) {
freezeObject = function(o) {
return o;
};
}
return freezeObject;
});
define('Core/defaultValue',[
'./freezeObject'
], function(
freezeObject) {
'use strict';
/**
* Returns the first parameter if not undefined, otherwise the second parameter.
* Useful for setting a default value for a parameter.
*
* @exports defaultValue
*
* @param {*} a
* @param {*} b
* @returns {*} Returns the first parameter if not undefined, otherwise the second parameter.
*
* @example
* param = Cesium.defaultValue(param, 'default');
*/
function defaultValue(a, b) {
if (a !== undefined && a !== null) {
return a;
}
return b;
}
/**
* A frozen empty object that can be used as the default value for options passed as
* an object literal.
*/
defaultValue.EMPTY_OBJECT = freezeObject({});
return defaultValue;
});
define('Core/DeveloperError',[
'./defined'
], function(
defined) {
'use strict';
/**
* Constructs an exception object that is thrown due to a developer error, e.g., invalid argument,
* argument out of range, etc. This exception should only be thrown during development;
* it usually indicates a bug in the calling code. This exception should never be
* caught; instead the calling code should strive not to generate it.
* <br /><br />
* On the other hand, a {@link RuntimeError} indicates an exception that may
* be thrown at runtime, e.g., out of memory, that the calling code should be prepared
* to catch.
*
* @alias DeveloperError
* @constructor
* @extends Error
*
* @param {String} [message] The error message for this exception.
*
* @see RuntimeError
*/
function DeveloperError(message) {
/**
* 'DeveloperError' indicating that this exception was thrown due to a developer error.
* @type {String}
* @readonly
*/
this.name = 'DeveloperError';
/**
* The explanation for why this exception was thrown.
* @type {String}
* @readonly
*/
this.message = message;
//Browsers such as IE don't have a stack property until you actually throw the error.
var stack;
try {
throw new Error();
} catch (e) {
stack = e.stack;
}
/**
* The stack trace of this exception, if available.
* @type {String}
* @readonly
*/
this.stack = stack;
}
if (defined(Object.create)) {
DeveloperError.prototype = Object.create(Error.prototype);
DeveloperError.prototype.constructor = DeveloperError;
}
DeveloperError.prototype.toString = function() {
var str = this.name + ': ' + this.message;
if (defined(this.stack)) {
str += '\n' + this.stack.toString();
}
return str;
};
/**
* @private
*/
DeveloperError.throwInstantiationError = function() {
throw new DeveloperError('This function defines an interface and should not be called directly.');
};
return DeveloperError;
});
define('Core/defineProperties',[
'./defined'
], function(
defined) {
'use strict';
var definePropertyWorks = (function() {
try {
return 'x' in Object.defineProperty({}, 'x', {});
} catch (e) {
return false;
}
})();
/**
* Defines properties on an object, using Object.defineProperties if available,
* otherwise returns the object unchanged. This function should be used in
* setup code to prevent errors from completely halting JavaScript execution
* in legacy browsers.
*
* @private
*
* @exports defineProperties
*/
var defineProperties = Object.defineProperties;
if (!definePropertyWorks || !defined(defineProperties)) {
defineProperties = function(o) {
return o;
};
}
return defineProperties;
});
define('Core/Fullscreen',[
'./defined',
'./defineProperties'
], function(
defined,
defineProperties) {
'use strict';
var _supportsFullscreen;
var _names = {
requestFullscreen : undefined,
exitFullscreen : undefined,
fullscreenEnabled : undefined,
fullscreenElement : undefined,
fullscreenchange : undefined,
fullscreenerror : undefined
};
/**
* Browser-independent functions for working with the standard fullscreen API.
*
* @exports Fullscreen
*
* @see {@link http://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html|W3C Fullscreen Living Specification}
*/
var Fullscreen = {};
defineProperties(Fullscreen, {
/**
* The element that is currently fullscreen, if any. To simply check if the
* browser is in fullscreen mode or not, use {@link Fullscreen#fullscreen}.
* @memberof Fullscreen
* @type {Object}
* @readonly
*/
element : {
get : function() {
if (!Fullscreen.supportsFullscreen()) {
return undefined;
}
return document[_names.fullscreenElement];
}
},
/**
* The name of the event on the document that is fired when fullscreen is
* entered or exited. This event name is intended for use with addEventListener.
* In your event handler, to determine if the browser is in fullscreen mode or not,
* use {@link Fullscreen#fullscreen}.
* @memberof Fullscreen
* @type {String}
* @readonly
*/
changeEventName : {
get : function() {
if (!Fullscreen.supportsFullscreen()) {
return undefined;
}
return _names.fullscreenchange;
}
},
/**
* The name of the event that is fired when a fullscreen error
* occurs. This event name is intended for use with addEventListener.
* @memberof Fullscreen
* @type {String}
* @readonly
*/
errorEventName : {
get : function() {
if (!Fullscreen.supportsFullscreen()) {
return undefined;
}
return _names.fullscreenerror;
}
},
/**
* Determine whether the browser will allow an element to be made fullscreen, or not.
* For example, by default, iframes cannot go fullscreen unless the containing page
* adds an "allowfullscreen" attribute (or prefixed equivalent).
* @memberof Fullscreen
* @type {Boolean}
* @readonly
*/
enabled : {
get : function() {
if (!Fullscreen.supportsFullscreen()) {
return undefined;
}
return document[_names.fullscreenEnabled];
}
},
/**
* Determines if the browser is currently in fullscreen mode.
* @memberof Fullscreen
* @type {Boolean}
* @readonly
*/
fullscreen : {
get : function() {
if (!Fullscreen.supportsFullscreen()) {
return undefined;
}
return Fullscreen.element !== null;
}
}
});
/**
* Detects whether the browser supports the standard fullscreen API.
*
* @returns {Boolean} <code>true</code> if the browser supports the standard fullscreen API,
* <code>false</code> otherwise.
*/
Fullscreen.supportsFullscreen = function() {
if (defined(_supportsFullscreen)) {
return _supportsFullscreen;
}
_supportsFullscreen = false;
var body = document.body;
if (typeof body.requestFullscreen === 'function') {
// go with the unprefixed, standard set of names
_names.requestFullscreen = 'requestFullscreen';
_names.exitFullscreen = 'exitFullscreen';
_names.fullscreenEnabled = 'fullscreenEnabled';
_names.fullscreenElement = 'fullscreenElement';
_names.fullscreenchange = 'fullscreenchange';
_names.fullscreenerror = 'fullscreenerror';
_supportsFullscreen = true;
return _supportsFullscreen;
}
//check for the correct combination of prefix plus the various names that browsers use
var prefixes = ['webkit', 'moz', 'o', 'ms', 'khtml'];
var name;
for (var i = 0, len = prefixes.length; i < len; ++i) {
var prefix = prefixes[i];
// casing of Fullscreen differs across browsers
name = prefix + 'RequestFullscreen';
if (typeof body[name] === 'function') {
_names.requestFullscreen = name;
_supportsFullscreen = true;
} else {
name = prefix + 'RequestFullScreen';
if (typeof body[name] === 'function') {
_names.requestFullscreen = name;
_supportsFullscreen = true;
}
}
// disagreement about whether it's "exit" as per spec, or "cancel"
name = prefix + 'ExitFullscreen';
if (typeof document[name] === 'function') {
_names.exitFullscreen = name;
} else {
name = prefix + 'CancelFullScreen';
if (typeof document[name] === 'function') {
_names.exitFullscreen = name;
}
}
// casing of Fullscreen differs across browsers
name = prefix + 'FullscreenEnabled';
if (document[name] !== undefined) {
_names.fullscreenEnabled = name;
} else {
name = prefix + 'FullScreenEnabled';
if (document[name] !== undefined) {
_names.fullscreenEnabled = name;
}
}
// casing of Fullscreen differs across browsers
name = prefix + 'FullscreenElement';
if (document[name] !== undefined) {
_names.fullscreenElement = name;
} else {
name = prefix + 'FullScreenElement';
if (document[name] !== undefined) {
_names.fullscreenElement = name;
}
}
// thankfully, event names are all lowercase per spec
name = prefix + 'fullscreenchange';
// event names do not have 'on' in the front, but the property on the document does
if (document['on' + name] !== undefined) {
//except on IE
if (prefix === 'ms') {
name = 'MSFullscreenChange';
}
_names.fullscreenchange = name;
}
name = prefix + 'fullscreenerror';
if (document['on' + name] !== undefined) {
//except on IE
if (prefix === 'ms') {
name = 'MSFullscreenError';
}
_names.fullscreenerror = name;
}
}
return _supportsFullscreen;
};
/**
* Asynchronously requests the browser to enter fullscreen mode on the given element.
* If fullscreen mode is not supported by the browser, does nothing.
*
* @param {Object} element The HTML element which will be placed into fullscreen mode.
* @param {HMDVRDevice} [vrDevice] The VR device.
*
* @example
* // Put the entire page into fullscreen.
* Cesium.Fullscreen.requestFullscreen(document.body)
*
* // Place only the Cesium canvas into fullscreen.
* Cesium.Fullscreen.requestFullscreen(scene.canvas)
*/
Fullscreen.requestFullscreen = function(element, vrDevice) {
if (!Fullscreen.supportsFullscreen()) {
return;
}
element[_names.requestFullscreen]({ vrDisplay: vrDevice });
};
/**
* Asynchronously exits fullscreen mode. If the browser is not currently
* in fullscreen, or if fullscreen mode is not supported by the browser, does nothing.
*/
Fullscreen.exitFullscreen = function() {
if (!Fullscreen.supportsFullscreen()) {
return;
}
document[_names.exitFullscreen]();
};
return Fullscreen;
});
define('Core/FeatureDetection',[
'./defaultValue',
'./defined',
'./Fullscreen'
], function(
defaultValue,
defined,
Fullscreen) {
'use strict';
/*global CanvasPixelArray*/
var theNavigator;
if (typeof navigator !== 'undefined') {
theNavigator = navigator;
} else {
theNavigator = {};
}
function extractVersion(versionString) {
var parts = versionString.split('.');
for (var i = 0, len = parts.length; i < len; ++i) {
parts[i] = parseInt(parts[i], 10);
}
return parts;
}
var isChromeResult;
var chromeVersionResult;
function isChrome() {
if (!defined(isChromeResult)) {
isChromeResult = false;
// Edge contains Chrome in the user agent too
if (!isEdge()) {
var fields = (/ Chrome\/([\.0-9]+)/).exec(theNavigator.userAgent);
if (fields !== null) {
isChromeResult = true;
chromeVersionResult = extractVersion(fields[1]);
}
}
}
return isChromeResult;
}
function chromeVersion() {
return isChrome() && chromeVersionResult;
}
var isSafariResult;
var safariVersionResult;
function isSafari() {
if (!defined(isSafariResult)) {
isSafariResult = false;
// Chrome and Edge contain Safari in the user agent too
if (!isChrome() && !isEdge() && (/ Safari\/[\.0-9]+/).test(theNavigator.userAgent)) {
var fields = (/ Version\/([\.0-9]+)/).exec(theNavigator.userAgent);
if (fields !== null) {
isSafariResult = true;
safariVersionResult = extractVersion(fields[1]);
}
}
}
return isSafariResult;
}
function safariVersion() {
return isSafari() && safariVersionResult;
}
var isWebkitResult;
var webkitVersionResult;
function isWebkit() {
if (!defined(isWebkitResult)) {
isWebkitResult = false;
var fields = (/ AppleWebKit\/([\.0-9]+)(\+?)/).exec(theNavigator.userAgent);
if (fields !== null) {
isWebkitResult = true;
webkitVersionResult = extractVersion(fields[1]);
webkitVersionResult.isNightly = !!fields[2];
}
}
return isWebkitResult;
}
function webkitVersion() {
return isWebkit() && webkitVersionResult;
}
var isInternetExplorerResult;
var internetExplorerVersionResult;
function isInternetExplorer() {
if (!defined(isInternetExplorerResult)) {
isInternetExplorerResult = false;
var fields;
if (theNavigator.appName === 'Microsoft Internet Explorer') {
fields = /MSIE ([0-9]{1,}[\.0-9]{0,})/.exec(theNavigator.userAgent);
if (fields !== null) {
isInternetExplorerResult = true;
internetExplorerVersionResult = extractVersion(fields[1]);
}
} else if (theNavigator.appName === 'Netscape') {
fields = /Trident\/.*rv:([0-9]{1,}[\.0-9]{0,})/.exec(theNavigator.userAgent);
if (fields !== null) {
isInternetExplorerResult = true;
internetExplorerVersionResult = extractVersion(fields[1]);
}
}
}
return isInternetExplorerResult;
}
function internetExplorerVersion() {
return isInternetExplorer() && internetExplorerVersionResult;
}
var isEdgeResult;
var edgeVersionResult;
function isEdge() {
if (!defined(isEdgeResult)) {
isEdgeResult = false;
var fields = (/ Edge\/([\.0-9]+)/).exec(theNavigator.userAgent);
if (fields !== null) {
isEdgeResult = true;
edgeVersionResult = extractVersion(fields[1]);
}
}
return isEdgeResult;
}
function edgeVersion() {
return isEdge() && edgeVersionResult;
}
var isFirefoxResult;
var firefoxVersionResult;
function isFirefox() {
if (!defined(isFirefoxResult)) {
isFirefoxResult = false;
var fields = /Firefox\/([\.0-9]+)/.exec(theNavigator.userAgent);
if (fields !== null) {
isFirefoxResult = true;
firefoxVersionResult = extractVersion(fields[1]);
}
}
return isFirefoxResult;
}
var isWindowsResult;
function isWindows() {
if (!defined(isWindowsResult)) {
isWindowsResult = /Windows/i.test(theNavigator.appVersion);
}
return isWindowsResult;
}
function firefoxVersion() {
return isFirefox() && firefoxVersionResult;
}
var isNodeJsResult;
function isNodeJs() {
if (!defined(isNodeJsResult)) {
isNodeJsResult = typeof process === 'object' && Object.prototype.toString.call(process) === '[object process]'; // eslint-disable-line
}
return isNodeJsResult;
}
var hasPointerEvents;
function supportsPointerEvents() {
if (!defined(hasPointerEvents)) {
//While navigator.pointerEnabled is deprecated in the W3C specification
//we still need to use it if it exists in order to support browsers
//that rely on it, such as the Windows WebBrowser control which defines
//PointerEvent but sets navigator.pointerEnabled to false.
hasPointerEvents = typeof PointerEvent !== 'undefined' && (!defined(theNavigator.pointerEnabled) || theNavigator.pointerEnabled);
}
return hasPointerEvents;
}
var imageRenderingValueResult;
var supportsImageRenderingPixelatedResult;
function supportsImageRenderingPixelated() {
if (!defined(supportsImageRenderingPixelatedResult)) {
var canvas = document.createElement('canvas');
canvas.setAttribute('style',
'image-rendering: -moz-crisp-edges;' +
'image-rendering: pixelated;');
//canvas.style.imageRendering will be undefined, null or an empty string on unsupported browsers.
var tmp = canvas.style.imageRendering;
supportsImageRenderingPixelatedResult = defined(tmp) && tmp !== '';
if (supportsImageRenderingPixelatedResult) {
imageRenderingValueResult = tmp;
}
}
return supportsImageRenderingPixelatedResult;
}
function imageRenderingValue() {
return supportsImageRenderingPixelated() ? imageRenderingValueResult : undefined;
}
var typedArrayTypes = [];
if (typeof ArrayBuffer !== 'undefined') {
typedArrayTypes.push(Int8Array, Uint8Array, Int16Array, Uint16Array, Int32Array, Uint32Array, Float32Array, Float64Array);
if (typeof Uint8ClampedArray !== 'undefined') {
typedArrayTypes.push(Uint8ClampedArray);
}
if (typeof CanvasPixelArray !== 'undefined') {
typedArrayTypes.push(CanvasPixelArray);
}
}
/**
* A set of functions to detect whether the current browser supports
* various features.
*
* @exports FeatureDetection
*/
var FeatureDetection = {
isChrome : isChrome,
chromeVersion : chromeVersion,
isSafari : isSafari,
safariVersion : safariVersion,
isWebkit : isWebkit,
webkitVersion : webkitVersion,
isInternetExplorer : isInternetExplorer,
internetExplorerVersion : internetExplorerVersion,
isEdge : isEdge,
edgeVersion : edgeVersion,
isFirefox : isFirefox,
firefoxVersion : firefoxVersion,
isWindows : isWindows,
isNodeJs: isNodeJs,
hardwareConcurrency : defaultValue(theNavigator.hardwareConcurrency, 3),
supportsPointerEvents : supportsPointerEvents,
supportsImageRenderingPixelated: supportsImageRenderingPixelated,
imageRenderingValue: imageRenderingValue,
typedArrayTypes: typedArrayTypes
};
/**
* Detects whether the current browser supports the full screen standard.
*
* @returns {Boolean} true if the browser supports the full screen standard, false if not.
*
* @see Fullscreen
* @see {@link http://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html|W3C Fullscreen Living Specification}
*/
FeatureDetection.supportsFullscreen = function() {
return Fullscreen.supportsFullscreen();
};
/**
* Detects whether the current browser supports typed arrays.
*
* @returns {Boolean} true if the browser supports typed arrays, false if not.
*
* @see {@link http://www.khronos.org/registry/typedarray/specs/latest/|Typed Array Specification}
*/
FeatureDetection.supportsTypedArrays = function() {
return typeof ArrayBuffer !== 'undefined';
};
/**
* Detects whether the current browser supports Web Workers.
*
* @returns {Boolean} true if the browsers supports Web Workers, false if not.
*
* @see {@link http://www.w3.org/TR/workers/}
*/
FeatureDetection.supportsWebWorkers = function() {
return typeof Worker !== 'undefined';
};
/**
* Detects whether the current browser supports Web Assembly.
*
* @returns {Boolean} true if the browsers supports Web Assembly, false if not.
*
* @see {@link https://developer.mozilla.org/en-US/docs/WebAssembly}
*/
FeatureDetection.supportsWebAssembly = function() {
return typeof WebAssembly !== 'undefined' && !FeatureDetection.isEdge();
};
return FeatureDetection;
});
define('Core/WebGLConstants',[
'./freezeObject'
], function(
freezeObject) {
'use strict';
/**
* Enum containing WebGL Constant values by name.
* for use without an active WebGL context, or in cases where certain constants are unavailable using the WebGL context
* (For example, in [Safari 9]{@link https://github.com/AnalyticalGraphicsInc/cesium/issues/2989}).
*
* These match the constants from the [WebGL 1.0]{@link https://www.khronos.org/registry/webgl/specs/latest/1.0/}
* and [WebGL 2.0]{@link https://www.khronos.org/registry/webgl/specs/latest/2.0/}
* specifications.
*
* @exports WebGLConstants
*/
var WebGLConstants = {
DEPTH_BUFFER_BIT : 0x00000100,
STENCIL_BUFFER_BIT : 0x00000400,
COLOR_BUFFER_BIT : 0x00004000,
POINTS : 0x0000,
LINES : 0x0001,
LINE_LOOP : 0x0002,
LINE_STRIP : 0x0003,
TRIANGLES : 0x0004,
TRIANGLE_STRIP : 0x0005,
TRIANGLE_FAN : 0x0006,
ZERO : 0,
ONE : 1,
SRC_COLOR : 0x0300,
ONE_MINUS_SRC_COLOR : 0x0301,
SRC_ALPHA : 0x0302,
ONE_MINUS_SRC_ALPHA : 0x0303,
DST_ALPHA : 0x0304,
ONE_MINUS_DST_ALPHA : 0x0305,
DST_COLOR : 0x0306,
ONE_MINUS_DST_COLOR : 0x0307,
SRC_ALPHA_SATURATE : 0x0308,
FUNC_ADD : 0x8006,
BLEND_EQUATION : 0x8009,
BLEND_EQUATION_RGB : 0x8009, // same as BLEND_EQUATION
BLEND_EQUATION_ALPHA : 0x883D,
FUNC_SUBTRACT : 0x800A,
FUNC_REVERSE_SUBTRACT : 0x800B,
BLEND_DST_RGB : 0x80C8,
BLEND_SRC_RGB : 0x80C9,
BLEND_DST_ALPHA : 0x80CA,
BLEND_SRC_ALPHA : 0x80CB,
CONSTANT_COLOR : 0x8001,
ONE_MINUS_CONSTANT_COLOR : 0x8002,
CONSTANT_ALPHA : 0x8003,
ONE_MINUS_CONSTANT_ALPHA : 0x8004,
BLEND_COLOR : 0x8005,
ARRAY_BUFFER : 0x8892,
ELEMENT_ARRAY_BUFFER : 0x8893,
ARRAY_BUFFER_BINDING : 0x8894,
ELEMENT_ARRAY_BUFFER_BINDING : 0x8895,
STREAM_DRAW : 0x88E0,
STATIC_DRAW : 0x88E4,
DYNAMIC_DRAW : 0x88E8,
BUFFER_SIZE : 0x8764,
BUFFER_USAGE : 0x8765,
CURRENT_VERTEX_ATTRIB : 0x8626,
FRONT : 0x0404,
BACK : 0x0405,
FRONT_AND_BACK : 0x0408,
CULL_FACE : 0x0B44,
BLEND : 0x0BE2,
DITHER : 0x0BD0,
STENCIL_TEST : 0x0B90,
DEPTH_TEST : 0x0B71,
SCISSOR_TEST : 0x0C11,
POLYGON_OFFSET_FILL : 0x8037,
SAMPLE_ALPHA_TO_COVERAGE : 0x809E,
SAMPLE_COVERAGE : 0x80A0,
NO_ERROR : 0,
INVALID_ENUM : 0x0500,
INVALID_VALUE : 0x0501,
INVALID_OPERATION : 0x0502,
OUT_OF_MEMORY : 0x0505,
CW : 0x0900,
CCW : 0x0901,
LINE_WIDTH : 0x0B21,
ALIASED_POINT_SIZE_RANGE : 0x846D,
ALIASED_LINE_WIDTH_RANGE : 0x846E,
CULL_FACE_MODE : 0x0B45,
FRONT_FACE : 0x0B46,
DEPTH_RANGE : 0x0B70,
DEPTH_WRITEMASK : 0x0B72,
DEPTH_CLEAR_VALUE : 0x0B73,
DEPTH_FUNC : 0x0B74,
STENCIL_CLEAR_VALUE : 0x0B91,
STENCIL_FUNC : 0x0B92,
STENCIL_FAIL : 0x0B94,
STENCIL_PASS_DEPTH_FAIL : 0x0B95,
STENCIL_PASS_DEPTH_PASS : 0x0B96,
STENCIL_REF : 0x0B97,
STENCIL_VALUE_MASK : 0x0B93,
STENCIL_WRITEMASK : 0x0B98,
STENCIL_BACK_FUNC : 0x8800,
STENCIL_BACK_FAIL : 0x8801,
STENCIL_BACK_PASS_DEPTH_FAIL : 0x8802,
STENCIL_BACK_PASS_DEPTH_PASS : 0x8803,
STENCIL_BACK_REF : 0x8CA3,
STENCIL_BACK_VALUE_MASK : 0x8CA4,
STENCIL_BACK_WRITEMASK : 0x8CA5,
VIEWPORT : 0x0BA2,
SCISSOR_BOX : 0x0C10,
COLOR_CLEAR_VALUE : 0x0C22,
COLOR_WRITEMASK : 0x0C23,
UNPACK_ALIGNMENT : 0x0CF5,
PACK_ALIGNMENT : 0x0D05,
MAX_TEXTURE_SIZE : 0x0D33,
MAX_VIEWPORT_DIMS : 0x0D3A,
SUBPIXEL_BITS : 0x0D50,
RED_BITS : 0x0D52,
GREEN_BITS : 0x0D53,
BLUE_BITS : 0x0D54,
ALPHA_BITS : 0x0D55,
DEPTH_BITS : 0x0D56,
STENCIL_BITS : 0x0D57,
POLYGON_OFFSET_UNITS : 0x2A00,
POLYGON_OFFSET_FACTOR : 0x8038,
TEXTURE_BINDING_2D : 0x8069,
SAMPLE_BUFFERS : 0x80A8,
SAMPLES : 0x80A9,
SAMPLE_COVERAGE_VALUE : 0x80AA,
SAMPLE_COVERAGE_INVERT : 0x80AB,
COMPRESSED_TEXTURE_FORMATS : 0x86A3,
DONT_CARE : 0x1100,
FASTEST : 0x1101,
NICEST : 0x1102,
GENERATE_MIPMAP_HINT : 0x8192,
BYTE : 0x1400,
UNSIGNED_BYTE : 0x1401,
SHORT : 0x1402,
UNSIGNED_SHORT : 0x1403,
INT : 0x1404,
UNSIGNED_INT : 0x1405,
FLOAT : 0x1406,
DEPTH_COMPONENT : 0x1902,
ALPHA : 0x1906,
RGB : 0x1907,
RGBA : 0x1908,
LUMINANCE : 0x1909,
LUMINANCE_ALPHA : 0x190A,
UNSIGNED_SHORT_4_4_4_4 : 0x8033,
UNSIGNED_SHORT_5_5_5_1 : 0x8034,
UNSIGNED_SHORT_5_6_5 : 0x8363,
FRAGMENT_SHADER : 0x8B30,
VERTEX_SHADER : 0x8B31,
MAX_VERTEX_ATTRIBS : 0x8869,
MAX_VERTEX_UNIFORM_VECTORS : 0x8DFB,
MAX_VARYING_VECTORS : 0x8DFC,
MAX_COMBINED_TEXTURE_IMAGE_UNITS : 0x8B4D,
MAX_VERTEX_TEXTURE_IMAGE_UNITS : 0x8B4C,
MAX_TEXTURE_IMAGE_UNITS : 0x8872,
MAX_FRAGMENT_UNIFORM_VECTORS : 0x8DFD,
SHADER_TYPE : 0x8B4F,
DELETE_STATUS : 0x8B80,
LINK_STATUS : 0x8B82,
VALIDATE_STATUS : 0x8B83,
ATTACHED_SHADERS : 0x8B85,
ACTIVE_UNIFORMS : 0x8B86,
ACTIVE_ATTRIBUTES : 0x8B89,
SHADING_LANGUAGE_VERSION : 0x8B8C,
CURRENT_PROGRAM : 0x8B8D,
NEVER : 0x0200,
LESS : 0x0201,
EQUAL : 0x0202,
LEQUAL : 0x0203,
GREATER : 0x0204,
NOTEQUAL : 0x0205,
GEQUAL : 0x0206,
ALWAYS : 0x0207,
KEEP : 0x1E00,
REPLACE : 0x1E01,
INCR : 0x1E02,
DECR : 0x1E03,
INVERT : 0x150A,
INCR_WRAP : 0x8507,
DECR_WRAP : 0x8508,
VENDOR : 0x1F00,
RENDERER : 0x1F01,
VERSION : 0x1F02,
NEAREST : 0x2600,
LINEAR : 0x2601,
NEAREST_MIPMAP_NEAREST : 0x2700,
LINEAR_MIPMAP_NEAREST : 0x2701,
NEAREST_MIPMAP_LINEAR : 0x2702,
LINEAR_MIPMAP_LINEAR : 0x2703,
TEXTURE_MAG_FILTER : 0x2800,
TEXTURE_MIN_FILTER : 0x2801,
TEXTURE_WRAP_S : 0x2802,
TEXTURE_WRAP_T : 0x2803,
TEXTURE_2D : 0x0DE1,
TEXTURE : 0x1702,
TEXTURE_CUBE_MAP : 0x8513,
TEXTURE_BINDING_CUBE_MAP : 0x8514,
TEXTURE_CUBE_MAP_POSITIVE_X : 0x8515,
TEXTURE_CUBE_MAP_NEGATIVE_X : 0x8516,
TEXTURE_CUBE_MAP_POSITIVE_Y : 0x8517,
TEXTURE_CUBE_MAP_NEGATIVE_Y : 0x8518,
TEXTURE_CUBE_MAP_POSITIVE_Z : 0x8519,
TEXTURE_CUBE_MAP_NEGATIVE_Z : 0x851A,
MAX_CUBE_MAP_TEXTURE_SIZE : 0x851C,
TEXTURE0 : 0x84C0,
TEXTURE1 : 0x84C1,
TEXTURE2 : 0x84C2,
TEXTURE3 : 0x84C3,
TEXTURE4 : 0x84C4,
TEXTURE5 : 0x84C5,
TEXTURE6 : 0x84C6,
TEXTURE7 : 0x84C7,
TEXTURE8 : 0x84C8,
TEXTURE9 : 0x84C9,
TEXTURE10 : 0x84CA,
TEXTURE11 : 0x84CB,
TEXTURE12 : 0x84CC,
TEXTURE13 : 0x84CD,
TEXTURE14 : 0x84CE,
TEXTURE15 : 0x84CF,
TEXTURE16 : 0x84D0,
TEXTURE17 : 0x84D1,
TEXTURE18 : 0x84D2,
TEXTURE19 : 0x84D3,
TEXTURE20 : 0x84D4,
TEXTURE21 : 0x84D5,
TEXTURE22 : 0x84D6,
TEXTURE23 : 0x84D7,
TEXTURE24 : 0x84D8,
TEXTURE25 : 0x84D9,
TEXTURE26 : 0x84DA,
TEXTURE27 : 0x84DB,
TEXTURE28 : 0x84DC,
TEXTURE29 : 0x84DD,
TEXTURE30 : 0x84DE,
TEXTURE31 : 0x84DF,
ACTIVE_TEXTURE : 0x84E0,
REPEAT : 0x2901,
CLAMP_TO_EDGE : 0x812F,
MIRRORED_REPEAT : 0x8370,
FLOAT_VEC2 : 0x8B50,
FLOAT_VEC3 : 0x8B51,
FLOAT_VEC4 : 0x8B52,
INT_VEC2 : 0x8B53,
INT_VEC3 : 0x8B54,
INT_VEC4 : 0x8B55,
BOOL : 0x8B56,
BOOL_VEC2 : 0x8B57,
BOOL_VEC3 : 0x8B58,
BOOL_VEC4 : 0x8B59,
FLOAT_MAT2 : 0x8B5A,
FLOAT_MAT3 : 0x8B5B,
FLOAT_MAT4 : 0x8B5C,
SAMPLER_2D : 0x8B5E,
SAMPLER_CUBE : 0x8B60,
VERTEX_ATTRIB_ARRAY_ENABLED : 0x8622,
VERTEX_ATTRIB_ARRAY_SIZE : 0x8623,
VERTEX_ATTRIB_ARRAY_STRIDE : 0x8624,
VERTEX_ATTRIB_ARRAY_TYPE : 0x8625,
VERTEX_ATTRIB_ARRAY_NORMALIZED : 0x886A,
VERTEX_ATTRIB_ARRAY_POINTER : 0x8645,
VERTEX_ATTRIB_ARRAY_BUFFER_BINDING : 0x889F,
IMPLEMENTATION_COLOR_READ_TYPE : 0x8B9A,
IMPLEMENTATION_COLOR_READ_FORMAT : 0x8B9B,
COMPILE_STATUS : 0x8B81,
LOW_FLOAT : 0x8DF0,
MEDIUM_FLOAT : 0x8DF1,
HIGH_FLOAT : 0x8DF2,
LOW_INT : 0x8DF3,
MEDIUM_INT : 0x8DF4,
HIGH_INT : 0x8DF5,
FRAMEBUFFER : 0x8D40,
RENDERBUFFER : 0x8D41,
RGBA4 : 0x8056,
RGB5_A1 : 0x8057,
RGB565 : 0x8D62,
DEPTH_COMPONENT16 : 0x81A5,
STENCIL_INDEX : 0x1901,
STENCIL_INDEX8 : 0x8D48,
DEPTH_STENCIL : 0x84F9,
RENDERBUFFER_WIDTH : 0x8D42,
RENDERBUFFER_HEIGHT : 0x8D43,
RENDERBUFFER_INTERNAL_FORMAT : 0x8D44,
RENDERBUFFER_RED_SIZE : 0x8D50,
RENDERBUFFER_GREEN_SIZE : 0x8D51,
RENDERBUFFER_BLUE_SIZE : 0x8D52,
RENDERBUFFER_ALPHA_SIZE : 0x8D53,
RENDERBUFFER_DEPTH_SIZE : 0x8D54,
RENDERBUFFER_STENCIL_SIZE : 0x8D55,
FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE : 0x8CD0,
FRAMEBUFFER_ATTACHMENT_OBJECT_NAME : 0x8CD1,
FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL : 0x8CD2,
FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE : 0x8CD3,
COLOR_ATTACHMENT0 : 0x8CE0,
DEPTH_ATTACHMENT : 0x8D00,
STENCIL_ATTACHMENT : 0x8D20,
DEPTH_STENCIL_ATTACHMENT : 0x821A,
NONE : 0,
FRAMEBUFFER_COMPLETE : 0x8CD5,
FRAMEBUFFER_INCOMPLETE_ATTACHMENT : 0x8CD6,
FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT : 0x8CD7,
FRAMEBUFFER_INCOMPLETE_DIMENSIONS : 0x8CD9,
FRAMEBUFFER_UNSUPPORTED : 0x8CDD,
FRAMEBUFFER_BINDING : 0x8CA6,
RENDERBUFFER_BINDING : 0x8CA7,
MAX_RENDERBUFFER_SIZE : 0x84E8,
INVALID_FRAMEBUFFER_OPERATION : 0x0506,
UNPACK_FLIP_Y_WEBGL : 0x9240,
UNPACK_PREMULTIPLY_ALPHA_WEBGL : 0x9241,
CONTEXT_LOST_WEBGL : 0x9242,
UNPACK_COLORSPACE_CONVERSION_WEBGL : 0x9243,
BROWSER_DEFAULT_WEBGL : 0x9244,
// WEBGL_compressed_texture_s3tc
COMPRESSED_RGB_S3TC_DXT1_EXT : 0x83F0,
COMPRESSED_RGBA_S3TC_DXT1_EXT : 0x83F1,
COMPRESSED_RGBA_S3TC_DXT3_EXT : 0x83F2,
COMPRESSED_RGBA_S3TC_DXT5_EXT : 0x83F3,
// WEBGL_compressed_texture_pvrtc
COMPRESSED_RGB_PVRTC_4BPPV1_IMG : 0x8C00,
COMPRESSED_RGB_PVRTC_2BPPV1_IMG : 0x8C01,
COMPRESSED_RGBA_PVRTC_4BPPV1_IMG : 0x8C02,
COMPRESSED_RGBA_PVRTC_2BPPV1_IMG : 0x8C03,
// WEBGL_compressed_texture_etc1
COMPRESSED_RGB_ETC1_WEBGL : 0x8D64,
// Desktop OpenGL
DOUBLE : 0x140A,
// WebGL 2
READ_BUFFER : 0x0C02,
UNPACK_ROW_LENGTH : 0x0CF2,
UNPACK_SKIP_ROWS : 0x0CF3,
UNPACK_SKIP_PIXELS : 0x0CF4,
PACK_ROW_LENGTH : 0x0D02,
PACK_SKIP_ROWS : 0x0D03,
PACK_SKIP_PIXELS : 0x0D04,
COLOR : 0x1800,
DEPTH : 0x1801,
STENCIL : 0x1802,
RED : 0x1903,
RGB8 : 0x8051,
RGBA8 : 0x8058,
RGB10_A2 : 0x8059,
TEXTURE_BINDING_3D : 0x806A,
UNPACK_SKIP_IMAGES : 0x806D,
UNPACK_IMAGE_HEIGHT : 0x806E,
TEXTURE_3D : 0x806F,
TEXTURE_WRAP_R : 0x8072,
MAX_3D_TEXTURE_SIZE : 0x8073,
UNSIGNED_INT_2_10_10_10_REV : 0x8368,
MAX_ELEMENTS_VERTICES : 0x80E8,
MAX_ELEMENTS_INDICES : 0x80E9,
TEXTURE_MIN_LOD : 0x813A,
TEXTURE_MAX_LOD : 0x813B,
TEXTURE_BASE_LEVEL : 0x813C,
TEXTURE_MAX_LEVEL : 0x813D,
MIN : 0x8007,
MAX : 0x8008,
DEPTH_COMPONENT24 : 0x81A6,
MAX_TEXTURE_LOD_BIAS : 0x84FD,
TEXTURE_COMPARE_MODE : 0x884C,
TEXTURE_COMPARE_FUNC : 0x884D,
CURRENT_QUERY : 0x8865,
QUERY_RESULT : 0x8866,
QUERY_RESULT_AVAILABLE : 0x8867,
STREAM_READ : 0x88E1,
STREAM_COPY : 0x88E2,
STATIC_READ : 0x88E5,
STATIC_COPY : 0x88E6,
DYNAMIC_READ : 0x88E9,
DYNAMIC_COPY : 0x88EA,
MAX_DRAW_BUFFERS : 0x8824,
DRAW_BUFFER0 : 0x8825,
DRAW_BUFFER1 : 0x8826,
DRAW_BUFFER2 : 0x8827,
DRAW_BUFFER3 : 0x8828,
DRAW_BUFFER4 : 0x8829,
DRAW_BUFFER5 : 0x882A,
DRAW_BUFFER6 : 0x882B,
DRAW_BUFFER7 : 0x882C,
DRAW_BUFFER8 : 0x882D,
DRAW_BUFFER9 : 0x882E,
DRAW_BUFFER10 : 0x882F,
DRAW_BUFFER11 : 0x8830,
DRAW_BUFFER12 : 0x8831,
DRAW_BUFFER13 : 0x8832,
DRAW_BUFFER14 : 0x8833,
DRAW_BUFFER15 : 0x8834,
MAX_FRAGMENT_UNIFORM_COMPONENTS : 0x8B49,
MAX_VERTEX_UNIFORM_COMPONENTS : 0x8B4A,
SAMPLER_3D : 0x8B5F,
SAMPLER_2D_SHADOW : 0x8B62,
FRAGMENT_SHADER_DERIVATIVE_HINT : 0x8B8B,
PIXEL_PACK_BUFFER : 0x88EB,
PIXEL_UNPACK_BUFFER : 0x88EC,
PIXEL_PACK_BUFFER_BINDING : 0x88ED,
PIXEL_UNPACK_BUFFER_BINDING : 0x88EF,
FLOAT_MAT2x3 : 0x8B65,
FLOAT_MAT2x4 : 0x8B66,
FLOAT_MAT3x2 : 0x8B67,
FLOAT_MAT3x4 : 0x8B68,
FLOAT_MAT4x2 : 0x8B69,
FLOAT_MAT4x3 : 0x8B6A,
SRGB : 0x8C40,
SRGB8 : 0x8C41,
SRGB8_ALPHA8 : 0x8C43,
COMPARE_REF_TO_TEXTURE : 0x884E,
RGBA32F : 0x8814,
RGB32F : 0x8815,
RGBA16F : 0x881A,
RGB16F : 0x881B,
VERTEX_ATTRIB_ARRAY_INTEGER : 0x88FD,
MAX_ARRAY_TEXTURE_LAYERS : 0x88FF,
MIN_PROGRAM_TEXEL_OFFSET : 0x8904,
MAX_PROGRAM_TEXEL_OFFSET : 0x8905,
MAX_VARYING_COMPONENTS : 0x8B4B,
TEXTURE_2D_ARRAY : 0x8C1A,
TEXTURE_BINDING_2D_ARRAY : 0x8C1D,
R11F_G11F_B10F : 0x8C3A,
UNSIGNED_INT_10F_11F_11F_REV : 0x8C3B,
RGB9_E5 : 0x8C3D,
UNSIGNED_INT_5_9_9_9_REV : 0x8C3E,
TRANSFORM_FEEDBACK_BUFFER_MODE : 0x8C7F,
MAX_TRANSFORM_FEEDBACK_SEPARATE_COMPONENTS : 0x8C80,
TRANSFORM_FEEDBACK_VARYINGS : 0x8C83,
TRANSFORM_FEEDBACK_BUFFER_START : 0x8C84,
TRANSFORM_FEEDBACK_BUFFER_SIZE : 0x8C85,
TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN : 0x8C88,
RASTERIZER_DISCARD : 0x8C89,
MAX_TRANSFORM_FEEDBACK_INTERLEAVED_COMPONENTS : 0x8C8A,
MAX_TRANSFORM_FEEDBACK_SEPARATE_ATTRIBS : 0x8C8B,
INTERLEAVED_ATTRIBS : 0x8C8C,
SEPARATE_ATTRIBS : 0x8C8D,
TRANSFORM_FEEDBACK_BUFFER : 0x8C8E,
TRANSFORM_FEEDBACK_BUFFER_BINDING : 0x8C8F,
RGBA32UI : 0x8D70,
RGB32UI : 0x8D71,
RGBA16UI : 0x8D76,
RGB16UI : 0x8D77,
RGBA8UI : 0x8D7C,
RGB8UI : 0x8D7D,
RGBA32I : 0x8D82,
RGB32I : 0x8D83,
RGBA16I : 0x8D88,
RGB16I : 0x8D89,
RGBA8I : 0x8D8E,
RGB8I : 0x8D8F,
RED_INTEGER : 0x8D94,
RGB_INTEGER : 0x8D98,
RGBA_INTEGER : 0x8D99,
SAMPLER_2D_ARRAY : 0x8DC1,
SAMPLER_2D_ARRAY_SHADOW : 0x8DC4,
SAMPLER_CUBE_SHADOW : 0x8DC5,
UNSIGNED_INT_VEC2 : 0x8DC6,
UNSIGNED_INT_VEC3 : 0x8DC7,
UNSIGNED_INT_VEC4 : 0x8DC8,
INT_SAMPLER_2D : 0x8DCA,
INT_SAMPLER_3D : 0x8DCB,
INT_SAMPLER_CUBE : 0x8DCC,
INT_SAMPLER_2D_ARRAY : 0x8DCF,
UNSIGNED_INT_SAMPLER_2D : 0x8DD2,
UNSIGNED_INT_SAMPLER_3D : 0x8DD3,
UNSIGNED_INT_SAMPLER_CUBE : 0x8DD4,
UNSIGNED_INT_SAMPLER_2D_ARRAY : 0x8DD7,
DEPTH_COMPONENT32F : 0x8CAC,
DEPTH32F_STENCIL8 : 0x8CAD,
FLOAT_32_UNSIGNED_INT_24_8_REV : 0x8DAD,
FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING : 0x8210,
FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE : 0x8211,
FRAMEBUFFER_ATTACHMENT_RED_SIZE : 0x8212,
FRAMEBUFFER_ATTACHMENT_GREEN_SIZE : 0x8213,
FRAMEBUFFER_ATTACHMENT_BLUE_SIZE : 0x8214,
FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE : 0x8215,
FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE : 0x8216,
FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE : 0x8217,
FRAMEBUFFER_DEFAULT : 0x8218,
UNSIGNED_INT_24_8 : 0x84FA,
DEPTH24_STENCIL8 : 0x88F0,
UNSIGNED_NORMALIZED : 0x8C17,
DRAW_FRAMEBUFFER_BINDING : 0x8CA6, // Same as FRAMEBUFFER_BINDING
READ_FRAMEBUFFER : 0x8CA8,
DRAW_FRAMEBUFFER : 0x8CA9,
READ_FRAMEBUFFER_BINDING : 0x8CAA,
RENDERBUFFER_SAMPLES : 0x8CAB,
FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER : 0x8CD4,
MAX_COLOR_ATTACHMENTS : 0x8CDF,
COLOR_ATTACHMENT1 : 0x8CE1,
COLOR_ATTACHMENT2 : 0x8CE2,
COLOR_ATTACHMENT3 : 0x8CE3,
COLOR_ATTACHMENT4 : 0x8CE4,
COLOR_ATTACHMENT5 : 0x8CE5,
COLOR_ATTACHMENT6 : 0x8CE6,
COLOR_ATTACHMENT7 : 0x8CE7,
COLOR_ATTACHMENT8 : 0x8CE8,
COLOR_ATTACHMENT9 : 0x8CE9,
COLOR_ATTACHMENT10 : 0x8CEA,
COLOR_ATTACHMENT11 : 0x8CEB,
COLOR_ATTACHMENT12 : 0x8CEC,
COLOR_ATTACHMENT13 : 0x8CED,
COLOR_ATTACHMENT14 : 0x8CEE,
COLOR_ATTACHMENT15 : 0x8CEF,
FRAMEBUFFER_INCOMPLETE_MULTISAMPLE : 0x8D56,
MAX_SAMPLES : 0x8D57,
HALF_FLOAT : 0x140B,
RG : 0x8227,
RG_INTEGER : 0x8228,
R8 : 0x8229,
RG8 : 0x822B,
R16F : 0x822D,
R32F : 0x822E,
RG16F : 0x822F,
RG32F : 0x8230,
R8I : 0x8231,
R8UI : 0x8232,
R16I : 0x8233,
R16UI : 0x8234,
R32I : 0x8235,
R32UI : 0x8236,
RG8I : 0x8237,
RG8UI : 0x8238,
RG16I : 0x8239,
RG16UI : 0x823A,
RG32I : 0x823B,
RG32UI : 0x823C,
VERTEX_ARRAY_BINDING : 0x85B5,
R8_SNORM : 0x8F94,
RG8_SNORM : 0x8F95,
RGB8_SNORM : 0x8F96,
RGBA8_SNORM : 0x8F97,
SIGNED_NORMALIZED : 0x8F9C,
COPY_READ_BUFFER : 0x8F36,
COPY_WRITE_BUFFER : 0x8F37,
COPY_READ_BUFFER_BINDING : 0x8F36, // Same as COPY_READ_BUFFER
COPY_WRITE_BUFFER_BINDING : 0x8F37, // Same as COPY_WRITE_BUFFER
UNIFORM_BUFFER : 0x8A11,
UNIFORM_BUFFER_BINDING : 0x8A28,
UNIFORM_BUFFER_START : 0x8A29,
UNIFORM_BUFFER_SIZE : 0x8A2A,
MAX_VERTEX_UNIFORM_BLOCKS : 0x8A2B,
MAX_FRAGMENT_UNIFORM_BLOCKS : 0x8A2D,
MAX_COMBINED_UNIFORM_BLOCKS : 0x8A2E,
MAX_UNIFORM_BUFFER_BINDINGS : 0x8A2F,
MAX_UNIFORM_BLOCK_SIZE : 0x8A30,
MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS : 0x8A31,
MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS : 0x8A33,
UNIFORM_BUFFER_OFFSET_ALIGNMENT : 0x8A34,
ACTIVE_UNIFORM_BLOCKS : 0x8A36,
UNIFORM_TYPE : 0x8A37,
UNIFORM_SIZE : 0x8A38,
UNIFORM_BLOCK_INDEX : 0x8A3A,
UNIFORM_OFFSET : 0x8A3B,
UNIFORM_ARRAY_STRIDE : 0x8A3C,
UNIFORM_MATRIX_STRIDE : 0x8A3D,
UNIFORM_IS_ROW_MAJOR : 0x8A3E,
UNIFORM_BLOCK_BINDING : 0x8A3F,
UNIFORM_BLOCK_DATA_SIZE : 0x8A40,
UNIFORM_BLOCK_ACTIVE_UNIFORMS : 0x8A42,
UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES : 0x8A43,
UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER : 0x8A44,
UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER : 0x8A46,
INVALID_INDEX : 0xFFFFFFFF,
MAX_VERTEX_OUTPUT_COMPONENTS : 0x9122,
MAX_FRAGMENT_INPUT_COMPONENTS : 0x9125,
MAX_SERVER_WAIT_TIMEOUT : 0x9111,
OBJECT_TYPE : 0x9112,
SYNC_CONDITION : 0x9113,
SYNC_STATUS : 0x9114,
SYNC_FLAGS : 0x9115,
SYNC_FENCE : 0x9116,
SYNC_GPU_COMMANDS_COMPLETE : 0x9117,
UNSIGNALED : 0x9118,
SIGNALED : 0x9119,
ALREADY_SIGNALED : 0x911A,
TIMEOUT_EXPIRED : 0x911B,
CONDITION_SATISFIED : 0x911C,
WAIT_FAILED : 0x911D,
SYNC_FLUSH_COMMANDS_BIT : 0x00000001,
VERTEX_ATTRIB_ARRAY_DIVISOR : 0x88FE,
ANY_SAMPLES_PASSED : 0x8C2F,
ANY_SAMPLES_PASSED_CONSERVATIVE : 0x8D6A,
SAMPLER_BINDING : 0x8919,
RGB10_A2UI : 0x906F,
INT_2_10_10_10_REV : 0x8D9F,
TRANSFORM_FEEDBACK : 0x8E22,
TRANSFORM_FEEDBACK_PAUSED : 0x8E23,
TRANSFORM_FEEDBACK_ACTIVE : 0x8E24,
TRANSFORM_FEEDBACK_BINDING : 0x8E25,
COMPRESSED_R11_EAC : 0x9270,
COMPRESSED_SIGNED_R11_EAC : 0x9271,
COMPRESSED_RG11_EAC : 0x9272,
COMPRESSED_SIGNED_RG11_EAC : 0x9273,
COMPRESSED_RGB8_ETC2 : 0x9274,
COMPRESSED_SRGB8_ETC2 : 0x9275,
COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 : 0x9276,
COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 : 0x9277,
COMPRESSED_RGBA8_ETC2_EAC : 0x9278,
COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : 0x9279,
TEXTURE_IMMUTABLE_FORMAT : 0x912F,
MAX_ELEMENT_INDEX : 0x8D6B,
TEXTURE_IMMUTABLE_LEVELS : 0x82DF,
// Extensions
MAX_TEXTURE_MAX_ANISOTROPY_EXT : 0x84FF
};
return freezeObject(WebGLConstants);
});
define('Core/ComponentDatatype',[
'./defaultValue',
'./defined',
'./DeveloperError',
'./FeatureDetection',
'./freezeObject',
'./WebGLConstants'
], function(
defaultValue,
defined,
DeveloperError,
FeatureDetection,
freezeObject,
WebGLConstants) {
'use strict';
// Bail out if the browser doesn't support typed arrays, to prevent the setup function
// from failing, since we won't be able to create a WebGL context anyway.
if (!FeatureDetection.supportsTypedArrays()) {
return {};
}
/**
* WebGL component datatypes. Components are intrinsics,
* which form attributes, which form vertices.
*
* @exports ComponentDatatype
*/
var ComponentDatatype = {
/**
* 8-bit signed byte corresponding to <code>gl.BYTE</code> and the type
* of an element in <code>Int8Array</code>.
*
* @type {Number}
* @constant
*/
BYTE : WebGLConstants.BYTE,
/**
* 8-bit unsigned byte corresponding to <code>UNSIGNED_BYTE</code> and the type
* of an element in <code>Uint8Array</code>.
*
* @type {Number}
* @constant
*/
UNSIGNED_BYTE : WebGLConstants.UNSIGNED_BYTE,
/**
* 16-bit signed short corresponding to <code>SHORT</code> and the type
* of an element in <code>Int16Array</code>.
*
* @type {Number}
* @constant
*/
SHORT : WebGLConstants.SHORT,
/**
* 16-bit unsigned short corresponding to <code>UNSIGNED_SHORT</code> and the type
* of an element in <code>Uint16Array</code>.
*
* @type {Number}
* @constant
*/
UNSIGNED_SHORT : WebGLConstants.UNSIGNED_SHORT,
/**
* 32-bit signed int corresponding to <code>INT</code> and the type
* of an element in <code>Int32Array</code>.
*
* @memberOf ComponentDatatype
*
* @type {Number}
* @constant
*/
INT : WebGLConstants.INT,
/**
* 32-bit unsigned int corresponding to <code>UNSIGNED_INT</code> and the type
* of an element in <code>Uint32Array</code>.
*
* @memberOf ComponentDatatype
*
* @type {Number}
* @constant
*/
UNSIGNED_INT : WebGLConstants.UNSIGNED_INT,
/**
* 32-bit floating-point corresponding to <code>FLOAT</cod