{"id":224059,"date":"2020-11-24T20:03:32","date_gmt":"2020-11-24T12:03:32","guid":{"rendered":"http:\/\/4563.org\/?p=224059"},"modified":"2020-11-24T20:03:32","modified_gmt":"2020-11-24T12:03:32","slug":"webassembly-%e5%9c%a8-web-%e7%ab%af%e8%a7%86%e9%a2%91%e7%9a%84%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=224059","title":{"rendered":"WebAssembly \u5728 Web \u7aef\u89c6\u9891\u7684\u5e94\u7528"},"content":{"rendered":"
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WebAssembly \u5728 Web \u7aef\u89c6\u9891\u7684\u5e94\u7528 <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : zoule <\/span> <\/i> 8<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

WebAssembly \u4ece\u8bde\u751f\u8d77\uff0c\u8d4b\u4e88\u4e86\u524d\u7aef\u66f4\u5bbd\u9614\u7684\u5e94\u7528\u60f3\u8c61\u3002\u7ed8\u56fe\u89c6\u9891\u6e32\u67d3\uff0c\u526a\u8f91\uff0c\u7f16\u89e3\u7801\uff0c\u6e38\u620f\u90fd\u6709\u53ef\u80fd\u57fa\u4e8e WebAssembly \u5728\u6d4f\u89c8\u5668\u7aef\u63a8\u51fa\u76f8\u5173\u7684\u4ea7\u54c1\u3002<\/p>\n

\u4ec0\u4e48\u662f WebAssembly<\/h3>\n

WebAssembly \uff08 wasm \uff09 \u662f\u4e00\u79cd\u4e8c\u8fdb\u5236\u4ee3\u7801\u683c\u5f0f, \u5177\u6709\u9ad8\u6548\uff0c\u8de8\u5e73\u53f0\u6027\uff0c\u5305\u542b\u8fd9\u79cd\u683c\u5f0f\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u53ef\u4ee5\u88ab\u5404\u4e2a\u5e73\u53f0\u7684\u6d4f\u89c8\u5668\u9ad8\u6548\u7684\u52a0\u8f7d\uff0c\u89e3\u6790\u6267\u884c\u3002<\/p>\n

\u53ea\u8981\u6d4f\u89c8\u5668\u652f\u6301 wasm\uff0c \u7528\u6237\u4fbf\u53ef\u4ee5\u4f7f\u7528 wasm \u6240\u63d0\u4f9b\u7684\u529f\u80fd\uff0c\u4e5f\u5c31\u662f\u8bf4 wasm \u7684\u8de8\u5e73\u53f0\u6027\u5176\u5b9e\u662f\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684\u8de8\u5e73\u53f0\u6027\u3002\u4e0a\u5c42\u7528\u6237\u7f16\u8bd1 wasm \u65f6\uff0c \u4e0d\u9700\u8981\u5173\u6ce8\u5e95\u5c42\u67b6\u6784\u662f\u4ec0\u4e48\uff0c\u53ea\u8981\u7f16\u8bd1\u51fa\u6765\u6b63\u786e\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\uff0c\u5c31\u53ef\u4ee5\u5728\u5404\u4e2a\u652f\u6301\u7684\u6d4f\u89c8\u5668\u8fd0\u884c\u3002<\/p>\n

wasm \u589e\u5f3a\u4e86 js \u7684\u80fd\u529b\uff0cjs \u4e0d\u64c5\u957f\u505a\u7684\u4e8b\u60c5\uff0c\u6bd4\u5982\u7ed8\u56fe\uff0c\u7f16\u7801\uff0c\u89e3\u7801\uff0c\u6570\u5b66\u8ba1\u7b97\u7b49\uff0c\u90fd\u53ef\u4ee5\u5728 wasm \u4e2d\u5b9e\u73b0\uff0c\u7136\u540e js \u5c31\u53ef\u4ee5\u4f7f\u7528 wasm \u6240\u63d0\u4f9b\u7684\u80fd\u529b\u3002<\/p>\n

\u73b0\u9636\u6bb5\u5df2\u7ecf\u6709\u5f88\u591a WebAssembly \u7684\u5e94\u7528\uff0c\u6bd4\u5982 ffmpeg \u7684\u7f16\u89e3\u7801\u5e94\u7528\uff0cunity 3d, unreal engine\uff0cgoogle earth \u7b49\u90fd\u76f8\u7ee7\u652f\u6301\u4e86 wasm \u3002<\/p>\n

\u5982\u4f55\u4f7f\u7528<\/h3>\n

WebAssembly \u73b0\u5728\u652f\u6301\u4ece C\/C++, go, rust \u7f16\u8bd1\u6210 wasm \u6a21\u5757\u3002\u4f7f\u7528 emscripten sdk, \u53ef\u4ee5\u4ece C\/C++ \u6e90\u7801\u76f4\u63a5\u7f16\u8bd1\u6210 wasm \u6587\u4ef6\uff0c\u7136\u540e\u5728\u7f51\u9875\u4e2d \u76f4\u63a5\u52a0\u8f7d\u4f7f\u7528\u3002<\/p>\n

\u53c2\u8003 https:\/\/emscripten.org\/docs\/getting_started\/Tutorial.html \u5165\u95e8\u3002 \u53c2\u8003 https:\/\/emscripten.org\/docs\/compiling\/Building-Projects.html \u7f16\u8bd1\u9879\u76ee\u3002<\/p>\n

\u4f46\u662f\u5982\u4f55\u4ece\u7f51\u9875\u8c03\u7528 wasm \u7684\u65b9\u6cd5\u3002\u4e24\u79cd\u65b9\u6cd5\uff1a<\/p>\n

    \n
  • \u76f4\u63a5\u4f7f\u7528 emscripten \u63d0\u4f9b\u7684\u5e95\u5c42\u51fd\u6570\uff0c\u628a wasm \u7684\u65b9\u6cd5\u5bfc\u51fa\u5230 js \u8fd0\u884c\u73af\u5883\u4e2d\u3002<\/li>\n
  • \u5728\u5e95\u5c42\u4f7f\u7528 embinding \u76f4\u63a5\u5bfc\u51fa c\/c++ \u7684\u51fd\u6570\u548c\u7c7b\uff0c\u7136\u540e\u5728 js \u4e2d\u8c03\u7528\u3002<\/li>\n<\/ul>\n

    \u5982\u679c\u5e94\u7528\u5728\u89c6\u9891\u526a\u8f91\u4e2d<\/h3>\n

    \u57fa\u4e8e wasm \u63d0\u4f9b\u7684\u80fd\u529b\uff0cffmpeg \u89e3\u7801\uff0c \u56fe\u7247\u89e3\u7801\uff0cOpenGL, \u591a\u7ebf\u7a0b\uff0c\u89c6\u9891\u526a\u8f91\u5e94\u7528\u7684\u7ed3\u6784\u56fe\u5982\u4e0b\uff0c \u8be5\u7cfb\u5217\u6587\u7ae0\uff0c\u4f1a\u4e0d\u5b9a\u671f\u66f4\u65b0\uff0c\u4ecb\u7ecd\u57fa\u4e8e\u6b64\u56fe\u7684\u67b6\u6784\u548c\u6280\u672f\u539f\u7406\uff1a<\/p>\n

    \"WebAssembly<\/p>\n

    \u53c2\u8003\u5728\u7ebf\u6f14\u793a demo: http:\/\/cloudedit.atvideo.cc<\/p>\n

    wasm \u7684\u9650\u5236\u548c\u98ce\u9669<\/h3>\n

    wasm \u7684\u9650\u5236\u4e0e\u4e0d\u4fbf<\/p>\n

      \n
    • \u8fd0\u884c\u5728\u4e00\u4e2a\u6c99\u76d2\u4e2d\uff0c\u7f51\u9875\u548c js \u7684\u9650\u5236\uff0cwasm \u540c\u6837\u4f1a\u6709\uff0c\u6bd4\u5982\u8de8\u57df<\/li>\n
    • \u4e0d\u80fd\u76f4\u63a5\u8bfb\u53d6\u7528\u6237\u8ba1\u7b97\u673a\u78c1\u76d8\u4e0a\u7684\u6587\u4ef6<\/li>\n
    • \u80fd\u4f7f\u7528\u7684\u6700\u5927\u5185\u5b58\u6709\u9650\u5236\uff0c\u5404\u4e2a\u6d4f\u89c8\u5668\u7684\u9650\u5236\u90fd\u4e0d\u540c\uff0c\u4e00\u822c\u4e3a 2G<\/li>\n
    • \u73b0\u9636\u6bb5\u5df2\u7ecf\u652f\u6301\u4e86\u591a\u7ebf\u7a0b\uff08\u57fa\u4e8e worker \u548c SharedArrayBuffer), \u5176\u4e2d SharedArrayBuffer \u5728\u6709\u4e9b\u6d4f\u89c8\u5668\u4e0d\u4f1a\u9ed8\u8ba4\u5f00\u542f<\/li>\n
    • wasm \u4e2d\u7533\u8bf7\u7684\u5185\u5b58\u4e5f\u9700\u8981\u624b\u52a8\u91ca\u653e<\/li>\n<\/ul>\n

      \u6280\u672f\u672c\u8eab\u4e0d\u4f1a\u6709\u592a\u591a\u7684\u98ce\u9669\uff0c\u5728\u4e8e\u5982\u4f55\u53bb\u4f7f\u7528\u3002\u5df2\u7ecf\u51fa\u73b0\u8fc7\u57fa\u4e8e wasm \u6280\u672f\u5f00\u53d1\u7684\u6316\u77ff\u7a0b\u5e8f\uff0c\u75c5\u6bd2\u7b49\u3002 \u7531\u4e8e wasm \u662f\u66f4\u4f4e\u7ea7\u7684\u4e8c\u8fdb\u5236\u683c\u5f0f\uff0c\u7f51\u9875\u7aef\u5728\u8fd9\u65b9\u9762\u7684\u5b89\u5168\u68c0\u67e5\u548c\u62e6\u622a\u8fd8\u4e0d\u6210\u719f\u3002\u73b0\u9636\u6bb5\u4f7f\u7528\u4e86 wasm \u6280\u672f\u7684\u7f51\u7ad9\u53ef\u80fd\u4f1a\u6709\u66f4\u5927\u7684\u5b89\u5168\u98ce\u9669\u3002<\/p>\n

      \u968f\u7740\u5404\u5927\u6d4f\u89c8\u5668\u5bf9 wasm \u7684\u5b8c\u5584\uff0cwasm \u80fd\u652f\u6301\u7684\u529f\u80fd\u4f1a\u66f4\u591a\u3002\u6bd4\u5982 gc, \u66f4\u597d\u7684\u5f02\u5e38\u5904\u7406,\u5c4a\u65f6\u80fd\u5b9e\u73b0\u66f4\u9ad8\u6548\u548c\u5168\u9762\u7684\u529f\u80fd\u3002<\/p>\n<\/p><\/div>\n

      \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (1<\/span>) <\/div>\n
      <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
        \n
      • \n
        \n
        \n
        \u8cc7\u6df1\u5927\u4f6c : jingcoco <\/span> <\/div>\n
        <\/i> <\/span> <\/div>\n<\/p><\/div>\n
        \u4e4b\u524d\u542c\u8bf4\u4e00\u4e9b\u76d1\u63a7\u9879\u76ee\u53ea\u80fd\u7528 ie \u5c31\u662f\u56e0\u4e3a\u76d1\u63a7\u6444\u50cf\u5934\u89c6\u9891\u770b\u7684\u95ee\u9898 \uff0c\u4e0d\u77e5\u9053\u8fd9\u4e2a\u53ef\u4e0d\u53ef\u4ee5\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
      • \n","protected":false},"excerpt":{"rendered":"

        WebAssembly \u5728 Web…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/224059"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=224059"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/224059\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=224059"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=224059"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=224059"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}