{"id":1987,"date":"2011-10-10T17:14:20","date_gmt":"2011-10-10T09:14:20","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1987"},"modified":"2018-01-02T00:44:34","modified_gmt":"2018-01-01T16:44:34","slug":"html5-canvas-webgl-css-shaders-glsl%e7%9a%84%e6%9a%a7%e6%98%a7%e5%85%b3%e7%b3%bb","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2011\/10\/html5-canvas-webgl-css-shaders-glsl%e7%9a%84%e6%9a%a7%e6%98%a7%e5%85%b3%e7%b3%bb\/","title":{"rendered":"HTML5 Canvas,WebGL,CSS Shaders,GLSL\u7684\u66a7\u6627\u5173\u7cfb"},"content":{"rendered":"

by zhangxinxu<\/a> from http:\/\/www.zhangxinxu.com<\/a>
\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=1987<\/a><\/p>\n

\u4e00\u3001\u524d\u9762\u7684\u6240\u4ee5\u7136<\/h3>\n

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\u4e92\u8054\u7f51\u7684\u53d1\u5c55\u76f8\u5f53\u7684\u795e\u901f\uff0c\u5176\u4ed6\u4e0d\u8bf4\uff0c\u5c31\u524d\u7aef\u6280\u672f\u8fd9\u5757\uff0c\u51fa\u73b0\u7684\u4e9b\u65b0\u540d\u8bcd\u6216\u751f\u540d\u8bcd\u5c31\u8ba9\u4eba\u773c\u82b1\u7f2d\u4e71\uff0c\u5e94\u63a5\u4e0d\u6687\uff0c\u6bd4\u5982\u8bf4\uff1aHTML5 Canvas, WebGL, CSS Shaders, GLSL\u7b49\u3002\u4f60\u662f\u5426\u6709\u8fd9\u6837\u7684\u7591\u95ee\uff1a\u8fd9\u4e9b\u90fd\u662f\u4e9b\u4ec0\u4e48\u73a9\u610f\uff1f\u662f\u559c\u6b22\u6253\u9171\u6cb9\u8fd8\u662f\u5ba2\u4e32CCTV\u7fa4\u4f17\u6f14\u5458\uff1f\u4ed6\u4eec\u4e4b\u95f4\u662f\u5426\u6709\u66a7\u6627\uff0c\u6216\u662f\u8de8\u8f88\u5206\u7684\u6069\u6028\u60c5\u4ec7\uff1f<\/p>\n

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\u4e8c\u3001\u5404\u81ea\u5e90\u5c71\u9762\u76ee<\/h3>\n

HTML5 Canvas<\/strong>
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\u76ee\u524d\u5728web\u5b9e\u9645\u9879\u76ee\u4e2d\u5df2\u6709\u4e0d\u5c11\u5e94\u7528\u3002\u4f8b\u5982\u56fe\u50cf\u7684\u65cb\u8f6c\uff0c\u5706\u89d2\u7684\u751f\u6210\u7b49\u3002\u4f4e\u7248\u672c\u7684IE\u6d4f\u89c8\u5668\u4e0d\u652f\u6301\u8be5\u5143\u7d20\uff0c\u8fd8\u5728\u53ef\u4ee5\u901a\u8fc7\u8c03\u7528\u5982\u4e0bJS\u53ef\u4ee5\u8ba9\u5176\u652f\u6301\u90e8\u5206canvas\u7684\u529f\u80fd\uff1aexcanvas.js<\/a><\/p>\n

OpenGL<\/strong>
\n\u6807\u9898\u4e2d\u5e76\u672a\u51fa\u73b0OpenGL\uff0c\u4e00\u662f\u56e0\u4e3a\u6807\u9898\u5df2\u7ecf\u5f88\u957f\u4e86\uff0c\u800c\u662f\u8fd9\u4e2a\u4e1c\u4e1c\u5e76\u4e0d\u4e13\u5c5e\u4e8eweb\u524d\u7aef\u9886\u57df\u3002
\nOpenGL\uff08\u5168\u5199Open Graphics Library\uff09\u662f\u4e2a\u5b9a\u4e49\u4e86\u4e00\u4e2a\u8de8\u7f16\u7a0b\u8bed\u8a00\u3001\u8de8\u5e73\u53f0\u7684\u7f16\u7a0b\u63a5\u53e3\u7684\u89c4\u683c\uff0c\u5b83\u7528\u4e8e\u4e09\u7ef4\u56fe\u8c61\uff08\u4e8c\u7ef4\u7684\u4ea6\u53ef\uff09\u3002OpenGL\u662f\u4e2a\u4e13\u4e1a\u7684\u56fe\u5f62\u7a0b\u5e8f\u63a5\u53e3\uff0c\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\uff0c\u8c03\u7528\u65b9\u4fbf\u7684\u5e95\u5c42\u56fe\u5f62\u5e93\uff0c\u662f\u884c\u4e1a\u9886\u57df\u4e2d\u6700\u4e3a\u5e7f\u6cdb\u63a5\u7eb3\u7684 2D\/3D \u56fe\u5f62 API\uff0c\u662f\u4e2a\u4e0e\u786c\u4ef6\u65e0\u5173\u7684\u8f6f\u4ef6\u63a5\u53e3\uff0c\u5176\u81ea\u8bde\u751f\u81f3\u4eca\u5df2\u50ac\u751f\u4e86\u5404\u79cd\u8ba1\u7b97\u673a\u5e73\u53f0\u53ca\u8bbe\u5907\u4e0a\u7684\u6570\u5343\u4f18\u79c0\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

OpenGL\u4f7f\u7528\u7b80\u4fbf\uff0c\u6548\u7387\u9ad8\u3002\u5b83\u5177\u6709\u4e03\u5927\u529f\u80fd\uff1a\u5efa\u6a21\u3001\u53d8\u6362\u3001\u989c\u8272\u6a21\u5f0f\u8bbe\u7f6e\u3001\u5149\u7167\u548c\u6750\u8d28\u8bbe\u7f6e\u3001\u7eb9\u7406\u6620\u5c04(Texture Mapping)\u3001\u4f4d\u56fe\u663e\u793a\u548c\u56fe\u8c61\u589e\u5f3a\u56fe\u8c61\u529f\u80fd\u548c\u53cc\u7f13\u5b58\u52a8\u753b(Double Buffering)\u3002<\/p>\n

\u5177\u4f53\u53ef\u53c2\u89c1OpenGL\u767e\u79d1<\/a><\/p>\n

WebGL<\/strong>
\nWebGL\u662f\u4e00\u79cd3D\u7ed8\u56fe\u6807\u51c6\uff0c\u8fd9\u79cd\u7ed8\u56fe\u6280\u672f\u6807\u51c6\u5141\u8bb8\u628aJavaScript\u548cOpenGL ES 2.0\u7ed3\u5408\u5728\u4e00\u8d77\uff0c\u901a\u8fc7\u589e\u52a0OpenGL ES 2.0\u7684\u4e00\u4e2aJavaScript\u7ed1\u5b9a\uff0cWebGL\u53ef\u4ee5\u4e3aHTML5 Canvas\u63d0\u4f9b\u786c\u4ef63D\u52a0\u901f\u6e32\u67d3\uff0c\u8fd9\u6837Web\u5f00\u53d1\u4eba\u5458\u5c31\u53ef\u4ee5\u501f\u52a9\u7cfb\u7edf\u663e\u5361\u6765\u5728\u6d4f\u89c8\u5668\u91cc\u66f4\u6d41\u7545\u5730\u5c55\u793a3D\u573a\u666f\u548c\u6a21\u578b\u4e86\uff0c\u8fd8\u80fd\u521b\u5efa\u590d\u6742\u7684\u5bfc\u822a\u548c\u6570\u636e\u89c6\u89c9\u5316\u3002\u663e\u7136\uff0cWebGL\u6280\u672f\u6807\u51c6\u514d\u53bb\u4e86\u5f00\u53d1\u7f51\u9875\u4e13\u7528\u6e32\u67d3\u63d2\u4ef6\u7684\u9ebb\u70e6\uff0c\u53ef\u88ab\u7528\u4e8e\u521b\u5efa\u5177\u6709\u590d\u67423D\u7ed3\u6784\u7684\u7f51\u7ad9\u9875\u9762\uff0c\u751a\u81f3\u53ef\u4ee5\u7528\u6765\u8bbe\u8ba13D\u7f51\u9875\u6e38\u620f\u7b49\u7b49\u3002
\n\"\"<\/p>\n

\u7531\u4e8ewebgl\u662f\u57fa\u4e8eOpenGL\u548cJavaScript\u6280\u672f\u7ed3\u5408\uff0c\u800cOpenGL\u4e0e\u5fae\u8f6fDirectX\u5b58\u5728\u7740\u7ade\u4e89\u5173\u7cfb\uff0c\u800c\u4e14\u5fae\u8f6f\u81ea\u8eab\u4e5f\u5f00\u53d1\u4e86Silverlight\u63d2\u4ef6\uff0c\u4e0ewebgl\u5176\u5b9e\u662f\u7c7b\u4f3c\u7684\uff0c\u6240\u4ee5\u5fae\u8f6f\u5bf9webgl\u6280\u672f\u5e76\u4e0d\u652f\u6301\u3002\u8fd9\u5f88\u597d\u7406\u89e3\uff0c\u597d\u6bd4\u4e94\u963f\u54e5\u548c\u5c14\u5eb7\u5728\u4e89\u593a\u5fc3\u7231\u7684\u5bb9\u5b37\u5b37\u4e4b\u524d\u662f\u4e0d\u53ef\u80fd\u76f8\u4e92\u62e5\u62b1\u7684\u3002<\/p>\n

\u5fae\u8f6f\u7684\u4e0d\u652f\u6301\u5e76\u4e0d\u5f71\u54cdwebgl\u7684\u53d1\u5c55\uff0c\u968f\u7740firefox\u3001\u8c37\u6b4c\u548c\u82f9\u679c\u7b49\u52a0\u5165\uff0cwebgl\u4e5f\u5f00\u59cb\u51fa\u73b0\u4e86\u5404\u79cd\u5e94\u7528\u3002\u4f8b\u5982\u5c0f\u6709\u540d\u6c14\u7684\u57fa\u4e8ewebgl\u6280\u672f\u7684\u8c37\u6b4c\u4eba\u4f53\u6d4f\u89c8\u5668(Google Body Browser)<\/a>\u5b9e\u9a8c\u9879\u76ee\uff0c\u7528\u6237\u53ef\u4ee5\u67e5\u770b3D\u4eba\u4f53\u7ed3\u6784\uff08\u4e0b\u56fe\u6765\u81eacnbeta\uff09\u3002
\n\"google\u4eba\u4f53\u6d4f\u89c8\u5668\u622a\u56fe \"google\u4eba\u4f53\u6d4f\u89c8\u5668\u622a\u56fe<\/p>\n

GLSL<\/strong>
\nGLSL\u4e3aOpenGL\u7740\u8272\u8bed\u8a00(GLSL\u2015\u2015OpenGL Shading Language)\uff08\u540e\u9762\u7684\u53ef\u4ee5\u4e0d\u7528\u770b\uff0c\u90fd\u662f\u4e13\u4e1a\u672f\u8bed\uff0c\u4e00\u4e2a\u5934\uff0c\u4e24\u4e2a\u5927\uff09\u3002 \u662f\u5f00\u53d1\u4eba\u5458\u7528\u6765\u5728OpenGL\u4e2d\u7740\u8272\u7f16\u7a0b\u7f16\u5199\u7684\u77ed\u5c0f\u7684\u81ea\u5b9a\u4e49\u7a0b\u5e8f\uff0c\u4ed6\u4eec\u662f\u5728\u56fe\u5f62\u5361\u7684GPU \uff08Graphic Processor Unit\u56fe\u5f62\u5904\u7406\u5355\u5143\uff09\u4e0a\u6267\u884c\u7684\uff0c\u4ee3\u66ff\u4e86\u56fa\u5b9a\u7684\u6e32\u67d3\u7ba1\u7ebf\u7684\u4e00\u90e8\u5206\u3002\u6bd4\u5982\uff1a\u89c6\u56fe\u8f6c\u6362\u3001\u6295\u5f71\u8f6c\u6362\u7b49\u3002GLSL\uff08GL Shading Language\uff09\u7684\u7740\u8272\u5668\u4ee3\u7801\u5206\u62102\u4e2a\u90e8\u5206\uff1aVertex Shader\uff08\u9876\u70b9\u7740\u8272\u5668\uff09\u548cFragment\uff08\u7247\u65ad\u7740\u8272\u5668\uff09\uff0c\u6709\u65f6\u8fd8\u4f1a\u6709Geometry Shader\uff08\u51e0\u4f55\u7740\u8272\u5668\uff09\u3002\u8d1f\u8d23\u8fd0\u884c\u9876\u70b9\u7740\u8272\u7684\u662f\u9876\u70b9\u7740\u8272\u5668\u3002\u5b83\u53ef\u4ee5\u5f97\u5230\u5f53\u524dOpenGL \u4e2d\u7684\u72b6\u6001\uff0cGLSL\u5185\u7f6e\u53d8\u91cf\u8fdb\u884c\u4f20\u9012\u3002<\/p>\n

CSS Shaders<\/strong>
\nCSS Shaders<\/a>\u662f\u4e0a\u5468\u4e3e\u884c\u7684Adobe Max\u4e0a\uff0cAdobe\u516c\u53f8\u63a8\u51fa\u7684\u4e00\u4e2a\u5168\u65b0\u7684\u9879\u76ee\u3002
\n\u8fd9\u9879\u7531Adobe\u548cApple\u3001Opera\u5408\u4f5c\u7814\u53d1\u7684\u65b0\u6807\u51c6\u5df2\u7ecf\u63d0\u4ea4\u81f3W3C\uff0c\u5c06\u4e3aCSS\u6280\u672f\u5e26\u67653D\u56fe\u5f62\u7279\u6027\u3002<\/p>\n

Shader\uff08\u7740\u8272\u5668\uff09\u53ef\u4ee5\u7406\u89e3\u4e3a\u662f\u4e00\u79cd\u8fd0\u884c\u4e8e\u663e\u5361\u7aef\u7684\u5c0f\u7a0b\u5e8f\uff0c\u901a\u5e38\u7528\u4e8e\u6e38\u620f\u548c\u5176\u4ed6\u56fe\u5f62\u76f8\u5173\u7684\u5e94\u7528\u3002\u7740\u8272\u5668\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u9876\u70b9\u7740\u8272\u5668\uff0c\u7528\u4e8e\u63a7\u5236\u51e0\u4f55\u4f53\u7684\u9876\u70b9\u4ee5\u7ed8\u5236\u51fa3D\u8868\u9762\u7f51\u683c\uff1b\u53e6\u4e00\u79cd\u662f\u7247\u5143\u7740\u8272\u5668\uff0c\u7528\u4e8e\u63a7\u5236\u50cf\u7d20\u7684\u989c\u8272\u3002CSS Shaders\u6280\u672f\u5c06\u5141\u8bb8\u5f00\u53d1\u8005\u540c\u65f6\u4f7f\u7528\u9876\u70b9\u7740\u8272\u5668\u548c\u7247\u5143\u7740\u8272\u5668\u3002<\/p>\n

\u5728CSS\u4e2d\u4f7f\u7528\u7740\u8272\u5668\u53ef\u4ee5\u5236\u4f5c\u51fa\u5f88\u591a\u5438\u5f15\u773c\u7403\u7684\u52a8\u6001\u6548\u679c\u3002<\/p>\n

Adobe\u5c55\u793a\u4e86\u4e00\u4e9bDemo\u89c6\u9891\uff0c\u5728\u7b2c\u4e00\u4e2a\u89c6\u9891\u4e2dTwitter\u7684\u9875\u9762\u88ab\u6e32\u67d3\u6210\u4e86\u5f2f\u66f2\u7684\u8868\u9762\uff1b\u7b2c\u4e8c\u4e2a\u89c6\u9891\u66f4\u52a0\u6709\u8da3\uff0c\u5c06Google\u5730\u56fe\u548c\u8857\u666f\u6e32\u67d3\u6298\u53e0\u4e86\u8d77\u6765\uff0c\u50cf\u771f\u7684\u7eb8\u8d28\u5730\u56fe\u90a3\u6837\u3002\u56e0\u4e3a\u7740\u8272\u5668\u53ef\u4ee5\u4f5c\u7528\u4e8e\u6240\u6709HTML\u5185\u5bb9\uff0c\u6240\u4ee5CSS Shaders\u6e32\u67d3\u7684\u5143\u7d20\u5305\u62ec\u4e86\u666e\u901a\u7684\u8868\u683c\u3001SVG\u751a\u81f3\u662fHTML5 Video\u7b49\u7b49\u3002<\/p>\n

<\/embed><\/p>\n

<\/embed><\/p>\n

CSS\u76ee\u524d\u5df2\u7ecf\u53ef\u4ee5\u5236\u4f5c\u4e00\u4e9b3D\u52a8\u753b\u6548\u679c\uff0c\u4f46\u662f\u7740\u8272\u5668\u8fd9\u4e2a\u5173\u952e\u89d2\u8272\u7684\u52a0\u5165\uff0c\u5c06\u4f7f\u8fd9\u9879\u6280\u672f\u53d8\u5f97\u66f4\u52a0\u7075\u6d3b\uff0c\u63d0\u9ad8\u4e86\u53ef\u7f16\u7a0b\u6027\u3002CSS Shaders\u53ef\u4ee5\u4e0eAdobe Edge\u914d\u5408\u4f7f\u7528\uff0c\u5236\u4f5c\u51fa\u66f4\u591a\u52a8\u6001\u6548\u679c\u7684\u7f51\u9875\u3002Adobe\u79f0\u672a\u6765Edge\u5c06\u62e5\u6709\u66f4\u5f3a\u7684\u8868\u73b0\u529b\uff0c\u800cCSS Shaders\u6b63\u662f\u4e3a\u4e86\u8fbe\u5230\u8fd9\u4e2a\u76ee\u7684\u800c\u63a8\u51fa\u7684\u3002<\/p>\n

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\u56db\u3001\u6587\u7ae0\u63d0\u53ca&\u53c2\u8003\u9875\u9762<\/h3>\n

\u00b7 HTML 5 Canvas<\/a>
\n\u00b7 HTML5 Canvas Cheat Sheet<\/a>
\n\u00b7 OpenGL\u767e\u79d1<\/a>
\n\u00b7 WebGL\u767e\u79d1<\/a>
\n\u00b7 10\u6b3ewebgl\u5e94\u7528\u6f14\u793a\u7f51\u7ad9<\/a>
\n\u00b7 \u4f7f\u7528GPU\u52a0\u901fCSS\uff1fAdobe\u63a8\u51faCSS Shaders\uff01<\/a>
\n\u00b7 Introducing CSS shaders: Cinematic effects for the web<\/a>
\n\u00b7 GLSL\u767e\u79d1 <\/a> <\/p>\n

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\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=1987<\/a><\/p>\n

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