Current File : /var/www/html/shaban/laviva/wp-content/themes/levelup/assets/vendor/shaderloader.js
/**
* ShaderLoader.js v1.0
* An asynchronous shader loader for WebGL using AJAX with jQuery.
*
* Copyright (c) 2013 - 2014 Andre Cruz / http://andre-cruz.com
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/*
* Dependencies: jQuery
* Documentation: https://github.com/codecruzer/webgl-shader-loader-js
*/
var SHADER_LOADER = SHADER_LOADER || {};
/**
* Loads all shaders from an external file that are included in the
* DOM as script elements. See comments in ShaderLoader.js for documentation.
*
* @param {Function} Callback invoked when all shaders have loaded with signature
* function (data) {}
*/
SHADER_LOADER.load = function (options, onShadersLoaded)
{
/**
* Checks if there are any shaders still pending to load.
* If there are none remaining, then invoke the onShadersLoaded
* callback.
*
*/
var checkForRemaining = function ()
{
if (unloadedRemaining <= 0 &&
onShadersLoaded)
{
onShadersLoaded(loadedShaders);
}
}
/**
* Loads an external shader file asynchronously using AJAX
*
* @param {Object} The shader script tag from the DOM
* @param {String} The type of shader [vertex|fragment]
*/
var loadShaderFile = function (shaderElement, type)
{
/**
* Processes a shader that comes back from
* the AJAX and stores it in the Shaders
* Object for later on
*
* @param {Object} The jQuery XHR object
* @param {String} The response text, e.g. success, error
*/
var onComplete = function onComplete(jqXHR, textStatus)
{
--unloadedRemaining;
if (!loadedShaders[name])
{
loadedShaders[name] = {
vertex: "",
fragment: ""
};
}
loadedShaders[name][type] = jqXHR.responseText;
checkForRemaining();
}
// var element = $(shaderElement);
// var url = element.data("src");
// var name = element.data("name");
var url = shaderElement.src;
var name = shaderElement.name;
$.ajax(
{
url: url,
dataType: "text",
context: {
name: name,
type: type
},
complete: onComplete
}
);
}
/************************
* Load the shaders here *
************************/
var loadedShaders = {};
// Get all of the shaders from the DOM
// var vertexShaders = $('script[type="x-shader/x-vertex"]');
// var fragmentShaders = $('script[type="x-shader/x-fragment"]');
var unloadedRemaining = options.vertexShaders.length + options.fragmentShaders.length;
// Load vertex shaders
var shader;
var i, shaderCount;
for (i = 0, shaderCount = options.vertexShaders.length; i < shaderCount; ++i)
{
shader = options.vertexShaders[i];
loadShaderFile(shader, "vertex");
}
// Load fragment shaders
for (i = 0, shaderCount = options.fragmentShaders.length; i < shaderCount; ++i)
{
shader = options.fragmentShaders[i];
loadShaderFile(shader, "fragment");
}
// Check if we're still waiting for any shaders to load, in case they already
// finished or if there were none.
checkForRemaining();
}
Mini Shell