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Common/webgl-utils.js: Trivial conversion of DOS to Unix line ends.
This was automated with the `dos2unix` tool and while it may look enourmous, it *only* changes the EOL characters. Signed-off-by: Rogério Brito <rbrito@ime.usp.br>
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Rogério Brito
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Jul 18, 2015
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,162 +1,162 @@ | ||
| /* | ||
| * Copyright 2010, Google Inc. | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are | ||
| * met: | ||
| * | ||
| * * Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * * Redistributions in binary form must reproduce the above | ||
| * copyright notice, this list of conditions and the following disclaimer | ||
| * in the documentation and/or other materials provided with the | ||
| * distribution. | ||
| * * Neither the name of Google Inc. nor the names of its | ||
| * contributors may be used to endorse or promote products derived from | ||
| * this software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
||
|
|
||
| /** | ||
| * @fileoverview This file contains functions every webgl program will need | ||
| * a version of one way or another. | ||
| * | ||
| * Instead of setting up a context manually it is recommended to | ||
| * use. This will check for success or failure. On failure it | ||
| * will attempt to present an approriate message to the user. | ||
| * | ||
| * gl = WebGLUtils.setupWebGL(canvas); | ||
| * | ||
| * For animated WebGL apps use of setTimeout or setInterval are | ||
| * discouraged. It is recommended you structure your rendering | ||
| * loop like this. | ||
| * | ||
| * function render() { | ||
| * window.requestAnimFrame(render, canvas); | ||
| * | ||
| * // do rendering | ||
| * ... | ||
| * } | ||
| * render(); | ||
| * | ||
| * This will call your rendering function up to the refresh rate | ||
| * of your display but will stop rendering if your app is not | ||
| * visible. | ||
| */ | ||
|
|
||
| WebGLUtils = function() { | ||
|
|
||
| /** | ||
| * Creates the HTLM for a failure message | ||
| * @param {string} canvasContainerId id of container of th | ||
| * canvas. | ||
| * @return {string} The html. | ||
| */ | ||
| var makeFailHTML = function(msg) { | ||
| return '' + | ||
| '<table style="background-color: #8CE; width: 100%; height: 100%;"><tr>' + | ||
| '<td align="center">' + | ||
| '<div style="display: table-cell; vertical-align: middle;">' + | ||
| '<div style="">' + msg + '</div>' + | ||
| '</div>' + | ||
| '</td></tr></table>'; | ||
| }; | ||
|
|
||
| /** | ||
| * Mesasge for getting a webgl browser | ||
| * @type {string} | ||
| */ | ||
| var GET_A_WEBGL_BROWSER = '' + | ||
| 'This page requires a browser that supports WebGL.<br/>' + | ||
| '<a href="http://get.webgl.org">Click here to upgrade your browser.</a>'; | ||
|
|
||
| /** | ||
| * Mesasge for need better hardware | ||
| * @type {string} | ||
| */ | ||
| var OTHER_PROBLEM = '' + | ||
| "It doesn't appear your computer can support WebGL.<br/>" + | ||
| '<a href="http://get.webgl.org/troubleshooting/">Click here for more information.</a>'; | ||
|
|
||
| /** | ||
| * Creates a webgl context. If creation fails it will | ||
| * change the contents of the container of the <canvas> | ||
| * tag to an error message with the correct links for WebGL. | ||
| * @param {Element} canvas. The canvas element to create a | ||
| * context from. | ||
| * @param {WebGLContextCreationAttirbutes} opt_attribs Any | ||
| * creation attributes you want to pass in. | ||
| * @return {WebGLRenderingContext} The created context. | ||
| */ | ||
| var setupWebGL = function(canvas, opt_attribs) { | ||
| function showLink(str) { | ||
| var container = canvas.parentNode; | ||
| if (container) { | ||
| container.innerHTML = makeFailHTML(str); | ||
| } | ||
| }; | ||
|
|
||
| if (!window.WebGLRenderingContext) { | ||
| showLink(GET_A_WEBGL_BROWSER); | ||
| return null; | ||
| } | ||
|
|
||
| var context = create3DContext(canvas, opt_attribs); | ||
| if (!context) { | ||
| showLink(OTHER_PROBLEM); | ||
| } | ||
| return context; | ||
| }; | ||
|
|
||
| /** | ||
| * Creates a webgl context. | ||
| * @param {!Canvas} canvas The canvas tag to get context | ||
| * from. If one is not passed in one will be created. | ||
| * @return {!WebGLContext} The created context. | ||
| */ | ||
| var create3DContext = function(canvas, opt_attribs) { | ||
| var names = ["webgl", "experimental-webgl", "webkit-3d", "moz-webgl"]; | ||
| var context = null; | ||
| for (var ii = 0; ii < names.length; ++ii) { | ||
| try { | ||
| context = canvas.getContext(names[ii], opt_attribs); | ||
| } catch(e) {} | ||
| if (context) { | ||
| break; | ||
| } | ||
| } | ||
| return context; | ||
| }; | ||
|
|
||
| return { | ||
| create3DContext: create3DContext, | ||
| setupWebGL: setupWebGL | ||
| }; | ||
| }(); | ||
|
|
||
| /** | ||
| * Provides requestAnimationFrame in a cross browser way. | ||
| */ | ||
| window.requestAnimFrame = (function() { | ||
| return window.requestAnimationFrame || | ||
| window.webkitRequestAnimationFrame || | ||
| window.mozRequestAnimationFrame || | ||
| window.oRequestAnimationFrame || | ||
| window.msRequestAnimationFrame || | ||
| function(/* function FrameRequestCallback */ callback, /* DOMElement Element */ element) { | ||
| window.setTimeout(callback, 1000/60); | ||
| }; | ||
| })(); | ||
| /* | ||
| * Copyright 2010, Google Inc. | ||
| * All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are | ||
| * met: | ||
| * | ||
| * * Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * * Redistributions in binary form must reproduce the above | ||
| * copyright notice, this list of conditions and the following disclaimer | ||
| * in the documentation and/or other materials provided with the | ||
| * distribution. | ||
| * * Neither the name of Google Inc. nor the names of its | ||
| * contributors may be used to endorse or promote products derived from | ||
| * this software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
||
|
|
||
| /** | ||
| * @fileoverview This file contains functions every webgl program will need | ||
| * a version of one way or another. | ||
| * | ||
| * Instead of setting up a context manually it is recommended to | ||
| * use. This will check for success or failure. On failure it | ||
| * will attempt to present an approriate message to the user. | ||
| * | ||
| * gl = WebGLUtils.setupWebGL(canvas); | ||
| * | ||
| * For animated WebGL apps use of setTimeout or setInterval are | ||
| * discouraged. It is recommended you structure your rendering | ||
| * loop like this. | ||
| * | ||
| * function render() { | ||
| * window.requestAnimFrame(render, canvas); | ||
| * | ||
| * // do rendering | ||
| * ... | ||
| * } | ||
| * render(); | ||
| * | ||
| * This will call your rendering function up to the refresh rate | ||
| * of your display but will stop rendering if your app is not | ||
| * visible. | ||
| */ | ||
|
|
||
| WebGLUtils = function() { | ||
|
|
||
| /** | ||
| * Creates the HTLM for a failure message | ||
| * @param {string} canvasContainerId id of container of th | ||
| * canvas. | ||
| * @return {string} The html. | ||
| */ | ||
| var makeFailHTML = function(msg) { | ||
| return '' + | ||
| '<table style="background-color: #8CE; width: 100%; height: 100%;"><tr>' + | ||
| '<td align="center">' + | ||
| '<div style="display: table-cell; vertical-align: middle;">' + | ||
| '<div style="">' + msg + '</div>' + | ||
| '</div>' + | ||
| '</td></tr></table>'; | ||
| }; | ||
|
|
||
| /** | ||
| * Mesasge for getting a webgl browser | ||
| * @type {string} | ||
| */ | ||
| var GET_A_WEBGL_BROWSER = '' + | ||
| 'This page requires a browser that supports WebGL.<br/>' + | ||
| '<a href="http://get.webgl.org">Click here to upgrade your browser.</a>'; | ||
|
|
||
| /** | ||
| * Mesasge for need better hardware | ||
| * @type {string} | ||
| */ | ||
| var OTHER_PROBLEM = '' + | ||
| "It doesn't appear your computer can support WebGL.<br/>" + | ||
| '<a href="http://get.webgl.org/troubleshooting/">Click here for more information.</a>'; | ||
|
|
||
| /** | ||
| * Creates a webgl context. If creation fails it will | ||
| * change the contents of the container of the <canvas> | ||
| * tag to an error message with the correct links for WebGL. | ||
| * @param {Element} canvas. The canvas element to create a | ||
| * context from. | ||
| * @param {WebGLContextCreationAttirbutes} opt_attribs Any | ||
| * creation attributes you want to pass in. | ||
| * @return {WebGLRenderingContext} The created context. | ||
| */ | ||
| var setupWebGL = function(canvas, opt_attribs) { | ||
| function showLink(str) { | ||
| var container = canvas.parentNode; | ||
| if (container) { | ||
| container.innerHTML = makeFailHTML(str); | ||
| } | ||
| }; | ||
|
|
||
| if (!window.WebGLRenderingContext) { | ||
| showLink(GET_A_WEBGL_BROWSER); | ||
| return null; | ||
| } | ||
|
|
||
| var context = create3DContext(canvas, opt_attribs); | ||
| if (!context) { | ||
| showLink(OTHER_PROBLEM); | ||
| } | ||
| return context; | ||
| }; | ||
|
|
||
| /** | ||
| * Creates a webgl context. | ||
| * @param {!Canvas} canvas The canvas tag to get context | ||
| * from. If one is not passed in one will be created. | ||
| * @return {!WebGLContext} The created context. | ||
| */ | ||
| var create3DContext = function(canvas, opt_attribs) { | ||
| var names = ["webgl", "experimental-webgl", "webkit-3d", "moz-webgl"]; | ||
| var context = null; | ||
| for (var ii = 0; ii < names.length; ++ii) { | ||
| try { | ||
| context = canvas.getContext(names[ii], opt_attribs); | ||
| } catch(e) {} | ||
| if (context) { | ||
| break; | ||
| } | ||
| } | ||
| return context; | ||
| }; | ||
|
|
||
| return { | ||
| create3DContext: create3DContext, | ||
| setupWebGL: setupWebGL | ||
| }; | ||
| }(); | ||
|
|
||
| /** | ||
| * Provides requestAnimationFrame in a cross browser way. | ||
| */ | ||
| window.requestAnimFrame = (function() { | ||
| return window.requestAnimationFrame || | ||
| window.webkitRequestAnimationFrame || | ||
| window.mozRequestAnimationFrame || | ||
| window.oRequestAnimationFrame || | ||
| window.msRequestAnimationFrame || | ||
| function(/* function FrameRequestCallback */ callback, /* DOMElement Element */ element) { | ||
| window.setTimeout(callback, 1000/60); | ||
| }; | ||
| })(); |