{"id":34946,"date":"2025-05-01T09:30:44","date_gmt":"2025-05-01T01:30:44","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/34946.html"},"modified":"2025-05-01T09:30:44","modified_gmt":"2025-05-01T01:30:44","slug":"ubuntu-%e6%93%8d%e4%bd%9c%e7%b3%bb%e7%bb%9f%e7%9a%84-wayland-%e6%98%be%e7%a4%ba%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%8e%a2%e7%b4%a2%e4%b8%8e%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/34946.html","title":{"rendered":"Ubuntu \u64cd\u4f5c\u7cfb\u7edf\u7684 Wayland \u663e\u793a\u670d\u52a1\u5668\u63a2\u7d22\u4e0e\u5e94\u7528"},"content":{"rendered":"<h2>Ubuntu \u64cd\u4f5c\u7cfb\u7edf\u7684 Wayland \u663e\u793a\u670d\u52a1\u5668\u63a2\u7d22\u4e0e\u5e94\u7528<\/h2>\n<p>\u5173\u952e\u8bcd&#xff1a;Ubuntu\u3001Wayland\u3001\u663e\u793a\u670d\u52a1\u5668\u3001X Window \u7cfb\u7edf\u3001\u56fe\u5f62\u663e\u793a\u3001Linux \u684c\u9762<\/p>\n<p>\u6458\u8981&#xff1a;\u672c\u6587\u65e8\u5728\u6df1\u5165\u63a2\u7d22 Ubuntu \u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684 Wayland \u663e\u793a\u670d\u52a1\u5668\u3002\u9996\u5148\u4ecb\u7ecd\u4e86 Wayland \u51fa\u73b0\u7684\u80cc\u666f\u548c\u610f\u4e49&#xff0c;\u5bf9\u6bd4\u4e86\u5b83\u4e0e\u4f20\u7edf X Window \u7cfb\u7edf\u7684\u5dee\u5f02\u3002\u63a5\u7740\u8be6\u7ec6\u9610\u8ff0\u4e86 Wayland \u7684\u6838\u5fc3\u6982\u5ff5\u3001\u67b6\u6784\u539f\u7406&#xff0c;\u5e76\u901a\u8fc7 Python \u4ee3\u7801\u793a\u4f8b\u8bf4\u660e\u5176\u76f8\u5173\u64cd\u4f5c\u3002\u540c\u65f6&#xff0c;\u7ed9\u51fa\u4e86\u5176\u80cc\u540e\u7684\u6570\u5b66\u6a21\u578b\u548c\u516c\u5f0f\u4ee5\u5e2e\u52a9\u7406\u89e3\u3002\u5728\u9879\u76ee\u5b9e\u6218\u90e8\u5206&#xff0c;\u63d0\u4f9b\u4e86\u5728 Ubuntu \u4e0a\u4f7f\u7528 Wayland \u7684\u5f00\u53d1\u73af\u5883\u642d\u5efa\u6b65\u9aa4\u3001\u6e90\u4ee3\u7801\u5b9e\u73b0\u53ca\u89e3\u8bfb\u3002\u8fd8\u63a2\u8ba8\u4e86 Wayland \u5728\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u5b9e\u9645\u5e94\u7528&#xff0c;\u63a8\u8350\u4e86\u5b66\u4e60 Wayland \u6240\u9700\u7684\u5de5\u5177\u548c\u8d44\u6e90\u3002\u6700\u540e\u603b\u7ed3\u4e86 Wayland \u7684\u672a\u6765\u53d1\u5c55\u8d8b\u52bf\u4e0e\u6311\u6218&#xff0c;\u5e76\u5bf9\u5e38\u89c1\u95ee\u9898\u8fdb\u884c\u4e86\u89e3\u7b54\u3002<\/p>\n<h3>1. \u80cc\u666f\u4ecb\u7ecd<\/h3>\n<h4>1.1 \u76ee\u7684\u548c\u8303\u56f4<\/h4>\n<p>\u672c\u90e8\u5206\u7684\u76ee\u7684\u662f\u8ba9\u8bfb\u8005\u5168\u9762\u4e86\u89e3 Wayland \u663e\u793a\u670d\u52a1\u5668\u5728 Ubuntu \u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u76f8\u5173\u4fe1\u606f\u3002\u8303\u56f4\u6db5\u76d6 Wayland \u7684\u57fa\u672c\u6982\u5ff5\u3001\u4e0e\u4f20\u7edf\u663e\u793a\u670d\u52a1\u5668\u7684\u5bf9\u6bd4\u3001\u5728 Ubuntu \u4e2d\u7684\u5e94\u7528\u573a\u666f\u3001\u5f00\u53d1\u5b9e\u8df5\u4ee5\u53ca\u672a\u6765\u53d1\u5c55\u8d8b\u52bf\u7b49\u65b9\u9762\u3002\u901a\u8fc7\u672c\u6587&#xff0c;\u8bfb\u8005\u5c06\u80fd\u591f\u638c\u63e1 Wayland \u7684\u6838\u5fc3\u77e5\u8bc6&#xff0c;\u5e76\u5177\u5907\u5728 Ubuntu \u7cfb\u7edf\u4e0a\u4f7f\u7528\u548c\u5f00\u53d1\u4e0e Wayland \u76f8\u5173\u5e94\u7528\u7684\u80fd\u529b\u3002<\/p>\n<h4>1.2 \u9884\u671f\u8bfb\u8005<\/h4>\n<p>\u672c\u6587\u9884\u671f\u8bfb\u8005\u5305\u62ec\u5bf9 Linux \u64cd\u4f5c\u7cfb\u7edf\u6709\u4e00\u5b9a\u4e86\u89e3\u7684\u5f00\u53d1\u8005\u3001\u7cfb\u7edf\u7ba1\u7406\u5458\u4ee5\u53ca\u5bf9\u56fe\u5f62\u663e\u793a\u6280\u672f\u611f\u5174\u8da3\u7684\u6280\u672f\u7231\u597d\u8005\u3002\u65e0\u8bba\u662f\u60f3\u8981\u6df1\u5165\u7814\u7a76 Wayland \u6280\u672f\u539f\u7406&#xff0c;\u8fd8\u662f\u5e0c\u671b\u5728 Ubuntu \u7cfb\u7edf\u4e2d\u5b9e\u9645\u5e94\u7528 Wayland \u8fdb\u884c\u5f00\u53d1\u7684\u4eba\u5458&#xff0c;\u90fd\u80fd\u4ece\u672c\u6587\u4e2d\u83b7\u5f97\u6709\u4ef7\u503c\u7684\u4fe1\u606f\u3002<\/p>\n<h4>1.3 \u6587\u6863\u7ed3\u6784\u6982\u8ff0<\/h4>\n<p>\u672c\u6587\u5c06\u6309\u7167\u4ee5\u4e0b\u7ed3\u6784\u8fdb\u884c\u9610\u8ff0&#xff1a;\u9996\u5148\u4ecb\u7ecd Wayland \u7684\u80cc\u666f\u548c\u76f8\u5173\u6982\u5ff5&#xff0c;\u5bf9\u6bd4\u5b83\u4e0e\u4f20\u7edf X Window \u7cfb\u7edf\u7684\u5dee\u5f02&#xff1b;\u63a5\u7740\u6df1\u5165\u8bb2\u89e3 Wayland \u7684\u6838\u5fc3\u6982\u5ff5\u3001\u67b6\u6784\u539f\u7406\u548c\u7b97\u6cd5\u64cd\u4f5c&#xff1b;\u968f\u540e\u7ed9\u51fa\u5176\u6570\u5b66\u6a21\u578b\u548c\u516c\u5f0f&#xff1b;\u5728\u9879\u76ee\u5b9e\u6218\u90e8\u5206&#xff0c;\u8be6\u7ec6\u4ecb\u7ecd\u5728 Ubuntu \u4e0a\u4f7f\u7528 Wayland \u7684\u5f00\u53d1\u73af\u5883\u642d\u5efa\u3001\u4ee3\u7801\u5b9e\u73b0\u548c\u89e3\u8bfb&#xff1b;\u4e4b\u540e\u63a2\u8ba8 Wayland \u7684\u5b9e\u9645\u5e94\u7528\u573a\u666f&#xff1b;\u63a8\u8350\u5b66\u4e60 Wayland \u6240\u9700\u7684\u5de5\u5177\u548c\u8d44\u6e90&#xff1b;\u6700\u540e\u603b\u7ed3 Wayland \u7684\u672a\u6765\u53d1\u5c55\u8d8b\u52bf\u4e0e\u6311\u6218&#xff0c;\u5e76\u89e3\u7b54\u5e38\u89c1\u95ee\u9898\u3002<\/p>\n<h4>1.4 \u672f\u8bed\u8868<\/h4>\n<h5>1.4.1 \u6838\u5fc3\u672f\u8bed\u5b9a\u4e49<\/h5>\n<ul>\n<li>Wayland&#xff1a;\u4e00\u79cd\u65b0\u4e00\u4ee3\u7684\u663e\u793a\u670d\u52a1\u5668\u534f\u8bae&#xff0c;\u65e8\u5728\u66ff\u4ee3\u4f20\u7edf\u7684 X Window \u7cfb\u7edf&#xff0c;\u63d0\u4f9b\u66f4\u9ad8\u6548\u3001\u5b89\u5168\u548c\u7b80\u5355\u7684\u56fe\u5f62\u663e\u793a\u89e3\u51b3\u65b9\u6848\u3002<\/li>\n<li>\u663e\u793a\u670d\u52a1\u5668&#xff1a;\u8d1f\u8d23\u7ba1\u7406\u8ba1\u7b97\u673a\u5c4f\u5e55\u4e0a\u7684\u56fe\u5f62\u663e\u793a\u3001\u8f93\u5165\u8bbe\u5907&#xff08;\u5982\u9f20\u6807\u3001\u952e\u76d8&#xff09;\u548c\u7a97\u53e3\u7cfb\u7edf\u7684\u8f6f\u4ef6\u7ec4\u4ef6\u3002<\/li>\n<li>X Window \u7cfb\u7edf&#xff1a;\u4e00\u79cd\u5e7f\u6cdb\u4f7f\u7528\u7684\u4f20\u7edf\u663e\u793a\u670d\u52a1\u5668\u534f\u8bae&#xff0c;\u5728 Linux \u548c\u5176\u4ed6 Unix-like \u7cfb\u7edf\u4e2d\u5df2\u7ecf\u5b58\u5728\u591a\u5e74\u3002<\/li>\n<li>\u5ba2\u6237\u7aef&#xff1a;\u5411\u663e\u793a\u670d\u52a1\u5668\u8bf7\u6c42\u56fe\u5f62\u663e\u793a\u548c\u8f93\u5165\u5904\u7406\u670d\u52a1\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n<li>\u5408\u6210\u5668&#xff1a;Wayland \u4e2d\u7684\u6838\u5fc3\u7ec4\u4ef6&#xff0c;\u8d1f\u8d23\u7ba1\u7406\u7a97\u53e3\u7684\u5408\u6210\u3001\u6e32\u67d3\u548c\u8f93\u5165\u4e8b\u4ef6\u7684\u5206\u53d1\u3002<\/li>\n<\/ul>\n<h5>1.4.2 \u76f8\u5173\u6982\u5ff5\u89e3\u91ca<\/h5>\n<ul>\n<li>\u534f\u8bae&#xff1a;\u5ba2\u6237\u7aef\u548c\u663e\u793a\u670d\u52a1\u5668\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u7684\u89c4\u5219\u548c\u6807\u51c6&#xff0c;\u89c4\u5b9a\u4e86\u53cc\u65b9\u5982\u4f55\u4ea4\u6362\u4fe1\u606f\u3002<\/li>\n<li>\u56fe\u5f62\u6e32\u67d3&#xff1a;\u5c06\u56fe\u5f62\u6570\u636e\u8f6c\u6362\u4e3a\u5c4f\u5e55\u4e0a\u53ef\u89c1\u56fe\u50cf\u7684\u8fc7\u7a0b\u3002<\/li>\n<li>\u8f93\u5165\u4e8b\u4ef6&#xff1a;\u5982\u9f20\u6807\u70b9\u51fb\u3001\u952e\u76d8\u6309\u952e\u7b49\u64cd\u4f5c&#xff0c;\u7531\u8f93\u5165\u8bbe\u5907\u4ea7\u751f\u5e76\u4f20\u9012\u7ed9\u663e\u793a\u670d\u52a1\u5668\u8fdb\u884c\u5904\u7406\u3002<\/li>\n<\/ul>\n<h5>1.4.3 \u7f29\u7565\u8bcd\u5217\u8868<\/h5>\n<ul>\n<li>X11&#xff1a;X Window \u7cfb\u7edf\u7684\u7b2c 11 \u4e2a\u7248\u672c&#xff0c;\u901a\u5e38\u7b80\u79f0\u4e3a X\u3002<\/li>\n<li>EGL&#xff1a;\u5d4c\u5165\u5f0f\u7cfb\u7edf\u56fe\u5f62\u5e93&#xff0c;\u7528\u4e8e\u5728\u4e0d\u540c\u56fe\u5f62\u786c\u4ef6\u4e0a\u8fdb\u884c\u56fe\u5f62\u6e32\u67d3\u3002<\/li>\n<li>GLES&#xff1a;\u5d4c\u5165\u5f0f\u7cfb\u7edf OpenGL \u56fe\u5f62\u5e93&#xff0c;\u662f OpenGL \u7684\u7b80\u5316\u7248\u672c&#xff0c;\u9002\u7528\u4e8e\u79fb\u52a8\u8bbe\u5907\u548c\u5d4c\u5165\u5f0f\u7cfb\u7edf\u3002<\/li>\n<\/ul>\n<h3>2. \u6838\u5fc3\u6982\u5ff5\u4e0e\u8054\u7cfb<\/h3>\n<h4>2.1 Wayland \u6838\u5fc3\u6982\u5ff5<\/h4>\n<p>Wayland \u7684\u6838\u5fc3\u601d\u60f3\u662f\u7b80\u5316\u663e\u793a\u670d\u52a1\u5668\u7684\u8bbe\u8ba1&#xff0c;\u51cf\u5c11\u4e0d\u5fc5\u8981\u7684\u590d\u6742\u6027&#xff0c;\u63d0\u9ad8\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002\u4e0e\u4f20\u7edf\u7684 X Window \u7cfb\u7edf\u4e0d\u540c&#xff0c;Wayland \u91c7\u7528\u4e86\u76f4\u63a5\u6e32\u67d3\u7684\u65b9\u5f0f&#xff0c;\u5ba2\u6237\u7aef\u76f4\u63a5\u4e0e\u56fe\u5f62\u786c\u4ef6\u8fdb\u884c\u4ea4\u4e92&#xff0c;\u51cf\u5c11\u4e86\u4e2d\u95f4\u73af\u8282&#xff0c;\u4ece\u800c\u63d0\u9ad8\u4e86\u6e32\u67d3\u6548\u7387\u3002<\/p>\n<p>Wayland \u7531\u5ba2\u6237\u7aef\u3001\u5408\u6210\u5668\u548c\u534f\u8bae\u4e09\u90e8\u5206\u7ec4\u6210\u3002\u5ba2\u6237\u7aef\u662f\u5411\u5408\u6210\u5668\u8bf7\u6c42\u56fe\u5f62\u663e\u793a\u548c\u8f93\u5165\u5904\u7406\u670d\u52a1\u7684\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u5408\u6210\u5668\u8d1f\u8d23\u7ba1\u7406\u7a97\u53e3\u7684\u5408\u6210\u3001\u6e32\u67d3\u548c\u8f93\u5165\u4e8b\u4ef6\u7684\u5206\u53d1&#xff0c;\u534f\u8bae\u5219\u89c4\u5b9a\u4e86\u5ba2\u6237\u7aef\u548c\u5408\u6210\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u89c4\u5219\u3002<\/p>\n<h4>2.2 Wayland \u67b6\u6784\u539f\u7406<\/h4>\n<p>Wayland \u7684\u67b6\u6784\u53ef\u4ee5\u7528\u4ee5\u4e0b\u793a\u610f\u56fe\u8868\u793a&#xff1a;<\/p>\n<p>  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.cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-KlylOk1dy3DTviql .cluster text{fill:#333;}#mermaid-svg-KlylOk1dy3DTviql .cluster span{color:#333;}#mermaid-svg-KlylOk1dy3DTviql div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-KlylOk1dy3DTviql :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;}#mermaid-svg-KlylOk1dy3DTviql .process&gt;*{fill:#E5F6FF!important;stroke:#73A6FF!important;stroke-width:2px!important;}#mermaid-svg-KlylOk1dy3DTviql .process span{fill:#E5F6FF!important;stroke:#73A6FF!important;stroke-width:2px!important;} <\/p>\n<p>         <span id=\"L-L-A-B\" class=\"edgeLabel L-LS-A&#039; L-LE-B\">Wayland \u534f\u8bae<\/span> <\/p>\n<p>         <span id=\"L-L-B-C\" class=\"edgeLabel L-LS-B&#039; L-LE-C\">\u786c\u4ef6\u4ea4\u4e92<\/span> <\/p>\n<p>         <span id=\"L-L-D-B\" class=\"edgeLabel L-LS-D&#039; L-LE-B\">\u8f93\u5165\u4e8b\u4ef6<\/span> <\/p>\n<p>           \u5ba2\u6237\u7aef <\/p>\n<p>           \u5408\u6210\u5668 <\/p>\n<p>           \u56fe\u5f62\u786c\u4ef6 <\/p>\n<p>           \u8f93\u5165\u8bbe\u5907 <\/p>\n<p>\u5ba2\u6237\u7aef\u901a\u8fc7 Wayland \u534f\u8bae\u4e0e\u5408\u6210\u5668\u8fdb\u884c\u901a\u4fe1&#xff0c;\u5411\u5408\u6210\u5668\u53d1\u9001\u7ed8\u56fe\u8bf7\u6c42\u548c\u8f93\u5165\u4e8b\u4ef6\u5904\u7406\u8bf7\u6c42\u3002\u5408\u6210\u5668\u63a5\u6536\u5230\u8bf7\u6c42\u540e&#xff0c;\u8d1f\u8d23\u5c06\u5404\u4e2a\u5ba2\u6237\u7aef\u7684\u56fe\u5f62\u8fdb\u884c\u5408\u6210&#xff0c;\u5e76\u5c06\u7ed3\u679c\u53d1\u9001\u7ed9\u56fe\u5f62\u786c\u4ef6\u8fdb\u884c\u663e\u793a\u3002\u540c\u65f6&#xff0c;\u5408\u6210\u5668\u8fd8\u8d1f\u8d23\u5904\u7406\u8f93\u5165\u8bbe\u5907&#xff08;\u5982\u9f20\u6807\u3001\u952e\u76d8&#xff09;\u4ea7\u751f\u7684\u8f93\u5165\u4e8b\u4ef6&#xff0c;\u5e76\u5c06\u5176\u5206\u53d1\u7ed9\u76f8\u5e94\u7684\u5ba2\u6237\u7aef\u3002<\/p>\n<h4>2.3 Wayland \u4e0e X Window \u7cfb\u7edf\u7684\u5bf9\u6bd4<\/h4>\n<h5>2.3.1 \u6027\u80fd\u65b9\u9762<\/h5>\n<p>X Window \u7cfb\u7edf\u5728\u8bbe\u8ba1\u4e0a\u5b58\u5728\u4e00\u4e9b\u6027\u80fd\u74f6\u9888&#xff0c;\u4f8b\u5982\u9700\u8981\u901a\u8fc7\u7f51\u7edc\u8fdb\u884c\u6570\u636e\u4f20\u8f93&#xff0c;\u5373\u4f7f\u5728\u672c\u5730\u7cfb\u7edf\u4e2d\u4e5f\u4f1a\u5b58\u5728\u4e00\u5b9a\u7684\u5f00\u9500\u3002\u800c Wayland \u91c7\u7528\u4e86\u76f4\u63a5\u6e32\u67d3\u7684\u65b9\u5f0f&#xff0c;\u5ba2\u6237\u7aef\u76f4\u63a5\u4e0e\u56fe\u5f62\u786c\u4ef6\u8fdb\u884c\u4ea4\u4e92&#xff0c;\u51cf\u5c11\u4e86\u4e2d\u95f4\u73af\u8282&#xff0c;\u4ece\u800c\u63d0\u9ad8\u4e86\u6e32\u67d3\u6548\u7387\u3002<\/p>\n<h5>2.3.2 \u5b89\u5168\u6027\u65b9\u9762<\/h5>\n<p>X Window \u7cfb\u7edf\u7684\u8bbe\u8ba1\u76f8\u5bf9\u5f00\u653e&#xff0c;\u5ba2\u6237\u7aef\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5176\u4ed6\u5ba2\u6237\u7aef\u7684\u7a97\u53e3\u548c\u8f93\u5165\u4e8b\u4ef6&#xff0c;\u5b58\u5728\u4e00\u5b9a\u7684\u5b89\u5168\u9690\u60a3\u3002\u800c Wayland \u91c7\u7528\u4e86\u66f4\u4e25\u683c\u7684\u6743\u9650\u7ba1\u7406\u673a\u5236&#xff0c;\u5ba2\u6237\u7aef\u53ea\u80fd\u8bbf\u95ee\u81ea\u5df1\u7684\u7a97\u53e3\u548c\u8f93\u5165\u4e8b\u4ef6&#xff0c;\u63d0\u9ad8\u4e86\u7cfb\u7edf\u7684\u5b89\u5168\u6027\u3002<\/p>\n<h5>2.3.3 \u590d\u6742\u5ea6\u65b9\u9762<\/h5>\n<p>X Window \u7cfb\u7edf\u7684\u534f\u8bae\u548c\u67b6\u6784\u76f8\u5bf9\u590d\u6742&#xff0c;\u5b66\u4e60\u548c\u5f00\u53d1\u6210\u672c\u8f83\u9ad8\u3002\u800c Wayland \u7684\u534f\u8bae\u548c\u67b6\u6784\u76f8\u5bf9\u7b80\u5355&#xff0c;\u6613\u4e8e\u7406\u89e3\u548c\u5f00\u53d1\u3002<\/p>\n<h3>3. \u6838\u5fc3\u7b97\u6cd5\u539f\u7406 &amp; \u5177\u4f53\u64cd\u4f5c\u6b65\u9aa4<\/h3>\n<h4>3.1 Wayland \u6838\u5fc3\u7b97\u6cd5\u539f\u7406<\/h4>\n<p>Wayland \u7684\u6838\u5fc3\u7b97\u6cd5\u4e3b\u8981\u6d89\u53ca\u56fe\u5f62\u5408\u6210\u548c\u8f93\u5165\u4e8b\u4ef6\u5904\u7406\u3002\u5728\u56fe\u5f62\u5408\u6210\u65b9\u9762&#xff0c;\u5408\u6210\u5668\u9700\u8981\u5c06\u5404\u4e2a\u5ba2\u6237\u7aef\u7684\u56fe\u5f62\u8fdb\u884c\u5408\u5e76&#xff0c;\u5e76\u5904\u7406\u7a97\u53e3\u7684\u5c42\u53e0\u548c\u906e\u6321\u5173\u7cfb\u3002\u5728\u8f93\u5165\u4e8b\u4ef6\u5904\u7406\u65b9\u9762&#xff0c;\u5408\u6210\u5668\u9700\u8981\u6839\u636e\u9f20\u6807\u548c\u952e\u76d8\u7684\u4f4d\u7f6e\u548c\u72b6\u6001&#xff0c;\u5c06\u8f93\u5165\u4e8b\u4ef6\u5206\u53d1\u7ed9\u76f8\u5e94\u7684\u5ba2\u6237\u7aef\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684 Python \u4ee3\u7801\u793a\u4f8b&#xff0c;\u6f14\u793a\u4e86\u5982\u4f55\u4f7f\u7528 Wayland \u534f\u8bae\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u7a97\u53e3&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> os<br \/>\n<span class=\"token keyword\">import<\/span> sys<br \/>\n<span class=\"token keyword\">import<\/span> ctypes<\/p>\n<p><span class=\"token comment\"># \u52a0\u8f7d Wayland \u5e93<\/span><br \/>\nlibwayland_client <span class=\"token operator\">&#061;<\/span> ctypes<span class=\"token punctuation\">.<\/span>CDLL<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;libwayland-client.so&#039;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u5b9a\u4e49 Wayland \u76f8\u5173\u7684\u7ed3\u6784\u4f53\u548c\u51fd\u6570<\/span><br \/>\n<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">wl_display<\/span><span class=\"token punctuation\">(<\/span>ctypes<span class=\"token punctuation\">.<\/span>Structure<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">pass<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">wl_registry<\/span><span class=\"token punctuation\">(<\/span>ctypes<span class=\"token punctuation\">.<\/span>Structure<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">pass<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">wl_compositor<\/span><span class=\"token punctuation\">(<\/span>ctypes<span class=\"token punctuation\">.<\/span>Structure<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">pass<\/span><\/p>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">wl_surface<\/span><span class=\"token punctuation\">(<\/span>ctypes<span class=\"token punctuation\">.<\/span>Structure<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">pass<\/span><\/p>\n<p><span class=\"token comment\"># \u5b9a\u4e49 Wayland \u51fd\u6570\u539f\u578b<\/span><br \/>\nlibwayland_client<span class=\"token punctuation\">.<\/span>wl_display_connect<span class=\"token punctuation\">.<\/span>argtypes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>ctypes<span class=\"token punctuation\">.<\/span>c_char_p<span class=\"token punctuation\">]<\/span><br \/>\nlibwayland_client<span class=\"token punctuation\">.<\/span>wl_display_connect<span class=\"token punctuation\">.<\/span>restype <span class=\"token operator\">&#061;<\/span> ctypes<span class=\"token punctuation\">.<\/span>POINTER<span class=\"token punctuation\">(<\/span>wl_display<span class=\"token punctuation\">)<\/span><\/p>\n<p>libwayland_client<span class=\"token punctuation\">.<\/span>wl_display_disconnect<span class=\"token punctuation\">.<\/span>argtypes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>ctypes<span class=\"token punctuation\">.<\/span>POINTER<span class=\"token punctuation\">(<\/span>wl_display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><br \/>\nlibwayland_client<span class=\"token punctuation\">.<\/span>wl_display_disconnect<span class=\"token punctuation\">.<\/span>restype <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">None<\/span><\/p>\n<p>libwayland_client<span class=\"token punctuation\">.<\/span>wl_display_get_registry<span class=\"token punctuation\">.<\/span>argtypes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>ctypes<span class=\"token punctuation\">.<\/span>POINTER<span class=\"token punctuation\">(<\/span>wl_display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><br \/>\nlibwayland_client<span class=\"token punctuation\">.<\/span>wl_display_get_registry<span class=\"token punctuation\">.<\/span>restype <span class=\"token operator\">&#061;<\/span> ctypes<span class=\"token punctuation\">.<\/span>POINTER<span class=\"token punctuation\">(<\/span>wl_registry<span class=\"token punctuation\">)<\/span><\/p>\n<p>libwayland_client<span class=\"token punctuation\">.<\/span>wl_registry_bind<span class=\"token punctuation\">.<\/span>argtypes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>ctypes<span class=\"token punctuation\">.<\/span>POINTER<span class=\"token punctuation\">(<\/span>wl_registry<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> ctypes<span class=\"token punctuation\">.<\/span>c_uint32<span class=\"token punctuation\">,<\/span> ctypes<span class=\"token punctuation\">.<\/span>c_void_p<span class=\"token punctuation\">,<\/span> ctypes<span class=\"token punctuation\">.<\/span>c_uint32<span class=\"token punctuation\">]<\/span><br \/>\nlibwayland_client<span class=\"token punctuation\">.<\/span>wl_registry_bind<span class=\"token punctuation\">.<\/span>restype <span class=\"token operator\">&#061;<\/span> ctypes<span class=\"token punctuation\">.<\/span>c_void_p<\/p>\n<p>libwayland_client<span class=\"token punctuation\">.<\/span>wl_compositor_create_surface<span class=\"token punctuation\">.<\/span>argtypes <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span>ctypes<span class=\"token punctuation\">.<\/span>POINTER<span class=\"token punctuation\">(<\/span>wl_compositor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><br \/>\nlibwayland_client<span class=\"token punctuation\">.<\/span>wl_compositor_create_surface<span class=\"token punctuation\">.<\/span>restype <span class=\"token operator\">&#061;<\/span> ctypes<span class=\"token punctuation\">.<\/span>POINTER<span class=\"token punctuation\">(<\/span>wl_surface<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u8fde\u63a5\u5230 Wayland \u663e\u793a\u670d\u52a1\u5668<\/span><br \/>\ndisplay <span class=\"token operator\">&#061;<\/span> libwayland_client<span class=\"token punctuation\">.<\/span>wl_display_connect<span class=\"token punctuation\">(<\/span><span class=\"token boolean\">None<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">if<\/span> <span class=\"token keyword\">not<\/span> display<span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Failed to connect to Wayland display server&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    sys<span class=\"token punctuation\">.<\/span>exit<span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u83b7\u53d6\u6ce8\u518c\u8868<\/span><br \/>\nregistry <span class=\"token operator\">&#061;<\/span> libwayland_client<span class=\"token punctuation\">.<\/span>wl_display_get_registry<span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u7ed1\u5b9a\u5408\u6210\u5668<\/span><br \/>\ncompositor <span class=\"token operator\">&#061;<\/span> libwayland_client<span class=\"token punctuation\">.<\/span>wl_registry_bind<span class=\"token punctuation\">(<\/span>registry<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> wl_compositor<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u521b\u5efa\u8868\u9762<\/span><br \/>\nsurface <span class=\"token operator\">&#061;<\/span> libwayland_client<span class=\"token punctuation\">.<\/span>wl_compositor_create_surface<span class=\"token punctuation\">(<\/span>compositor<span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u65ad\u5f00\u8fde\u63a5<\/span><br \/>\nlibwayland_client<span class=\"token punctuation\">.<\/span>wl_display_disconnect<span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><\/p>\n<h4>3.2 \u5177\u4f53\u64cd\u4f5c\u6b65\u9aa4<\/h4>\n<h5>3.2.1 \u5b89\u88c5 Wayland \u5f00\u53d1\u5e93<\/h5>\n<p>\u5728 Ubuntu \u7cfb\u7edf\u4e2d&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5 Wayland \u5f00\u53d1\u5e93&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt-get<\/span> <span class=\"token function\">install<\/span> libwayland-dev<\/p>\n<h5>3.2.2 \u7f16\u5199 Wayland \u5e94\u7528\u7a0b\u5e8f<\/h5>\n<p>\u53ef\u4ee5\u4f7f\u7528\u4e0a\u8ff0 Python \u4ee3\u7801\u793a\u4f8b\u4f5c\u4e3a\u57fa\u7840&#xff0c;\u7f16\u5199\u81ea\u5df1\u7684 Wayland \u5e94\u7528\u7a0b\u5e8f\u3002\u5728\u7f16\u5199\u8fc7\u7a0b\u4e2d&#xff0c;\u9700\u8981\u6ce8\u610f Wayland \u534f\u8bae\u7684\u4f7f\u7528\u548c\u5408\u6210\u5668\u7684\u64cd\u4f5c\u3002<\/p>\n<h5>3.2.3 \u7f16\u8bd1\u548c\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f<\/h5>\n<p>\u5982\u679c\u4f7f\u7528 C \u6216 C&#043;&#043; \u7f16\u5199 Wayland \u5e94\u7528\u7a0b\u5e8f&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u7f16\u8bd1&#xff1a;<\/p>\n<p>gcc -o my_wayland_app my_wayland_app.c <span class=\"token variable\"><span class=\"token variable\">&#096;<\/span>pkg-config &#8211;cflags &#8211;libs wayland-client<span class=\"token variable\">&#096;<\/span><\/span><\/p>\n<p>\u7136\u540e\u8fd0\u884c\u7f16\u8bd1\u540e\u7684\u5e94\u7528\u7a0b\u5e8f&#xff1a;<\/p>\n<p>.\/my_wayland_app<\/p>\n<h3>4. \u6570\u5b66\u6a21\u578b\u548c\u516c\u5f0f &amp; \u8be6\u7ec6\u8bb2\u89e3 &amp; \u4e3e\u4f8b\u8bf4\u660e<\/h3>\n<h4>4.1 \u56fe\u5f62\u5408\u6210\u7684\u6570\u5b66\u6a21\u578b<\/h4>\n<p>\u5728\u56fe\u5f62\u5408\u6210\u4e2d&#xff0c;\u5408\u6210\u5668\u9700\u8981\u5c06\u5404\u4e2a\u5ba2\u6237\u7aef\u7684\u56fe\u5f62\u8fdb\u884c\u5408\u5e76&#xff0c;\u5e76\u5904\u7406\u7a97\u53e3\u7684\u5c42\u53e0\u548c\u906e\u6321\u5173\u7cfb\u3002\u53ef\u4ee5\u4f7f\u7528\u4e8c\u7ef4\u5e73\u9762\u4e0a\u7684\u77e9\u5f62\u533a\u57df\u6765\u8868\u793a\u7a97\u53e3\u7684\u4f4d\u7f6e\u548c\u5927\u5c0f&#xff0c;\u901a\u8fc7\u77e9\u5f62\u7684\u4ea4\u96c6\u548c\u5e76\u96c6\u8fd0\u7b97\u6765\u5904\u7406\u7a97\u53e3\u7684\u906e\u6321\u5173\u7cfb\u3002<\/p>\n<p>\u5047\u8bbe\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         A <\/p>\n<p>        A <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span> \u7684\u4f4d\u7f6e\u548c\u5927\u5c0f\u53ef\u4ee5\u7528\u77e9\u5f62 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         ( <\/p>\n<p>          x <\/p>\n<p>          1 <\/p>\n<p>         , <\/p>\n<p>          y <\/p>\n<p>          1 <\/p>\n<p>         , <\/p>\n<p>          w <\/p>\n<p>          1 <\/p>\n<p>         , <\/p>\n<p>          h <\/p>\n<p>          1 <\/p>\n<p>         ) <\/p>\n<p>        (x_1, y_1, w_1, h_1) <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">1<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">1<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0269em\">w<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0269em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">1<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">h<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">1<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> \u8868\u793a&#xff0c;\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         B <\/p>\n<p>        B <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0502em\">B<\/span><\/span><\/span><\/span><\/span> \u7684\u4f4d\u7f6e\u548c\u5927\u5c0f\u53ef\u4ee5\u7528\u77e9\u5f62 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         ( <\/p>\n<p>          x <\/p>\n<p>          2 <\/p>\n<p>         , <\/p>\n<p>          y <\/p>\n<p>          2 <\/p>\n<p>         , <\/p>\n<p>          w <\/p>\n<p>          2 <\/p>\n<p>         , <\/p>\n<p>          h <\/p>\n<p>          2 <\/p>\n<p>         ) <\/p>\n<p>        (x_2, y_2, w_2, h_2) <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0269em\">w<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0269em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">h<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> \u8868\u793a\u3002\u5219\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         A <\/p>\n<p>        A <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span> \u548c\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         B <\/p>\n<p>        B <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0502em\">B<\/span><\/span><\/span><\/span><\/span> \u7684\u4ea4\u96c6\u53ef\u4ee5\u7528\u4ee5\u4e0b\u516c\u5f0f\u8ba1\u7b97&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>           x <\/p>\n<p>            i <\/p>\n<p>            n <\/p>\n<p>            t <\/p>\n<p>            e <\/p>\n<p>            r <\/p>\n<p>            s <\/p>\n<p>            e <\/p>\n<p>            c <\/p>\n<p>            t <\/p>\n<p>          &#061; <\/p>\n<p>          max <\/p>\n<p>          \u2061 <\/p>\n<p>          ( <\/p>\n<p>           x <\/p>\n<p>           1 <\/p>\n<p>          , <\/p>\n<p>           x <\/p>\n<p>           2 <\/p>\n<p>          ) <\/p>\n<p>           y <\/p>\n<p>            i <\/p>\n<p>            n <\/p>\n<p>            t <\/p>\n<p>            e <\/p>\n<p>            r <\/p>\n<p>            s <\/p>\n<p>            e <\/p>\n<p>            c <\/p>\n<p>            t <\/p>\n<p>          &#061; <\/p>\n<p>          max <\/p>\n<p>          \u2061 <\/p>\n<p>          ( <\/p>\n<p>           y <\/p>\n<p>           1 <\/p>\n<p>          , <\/p>\n<p>           y <\/p>\n<p>           2 <\/p>\n<p>          ) <\/p>\n<p>           w <\/p>\n<p>            i <\/p>\n<p>            n <\/p>\n<p>            t <\/p>\n<p>            e <\/p>\n<p>            r <\/p>\n<p>            s <\/p>\n<p>            e <\/p>\n<p>            c <\/p>\n<p>            t <\/p>\n<p>          &#061; <\/p>\n<p>          max <\/p>\n<p>          \u2061 <\/p>\n<p>          ( <\/p>\n<p>          0 <\/p>\n<p>          , <\/p>\n<p>          min <\/p>\n<p>          \u2061 <\/p>\n<p>          ( <\/p>\n<p>           x <\/p>\n<p>           1 <\/p>\n<p>          &#043; <\/p>\n<p>           w <\/p>\n<p>           1 <\/p>\n<p>          , <\/p>\n<p>           x <\/p>\n<p>           2 <\/p>\n<p>          &#043; <\/p>\n<p>           w <\/p>\n<p>           2 <\/p>\n<p>          ) <\/p>\n<p>          \u2212 <\/p>\n<p>           x <\/p>\n<p>            i <\/p>\n<p>            n <\/p>\n<p>            t <\/p>\n<p>            e <\/p>\n<p>            r <\/p>\n<p>            s <\/p>\n<p>            e <\/p>\n<p>            c <\/p>\n<p>            t <\/p>\n<p>          ) <\/p>\n<p>           h <\/p>\n<p>            i <\/p>\n<p>            n <\/p>\n<p>            t <\/p>\n<p>            e <\/p>\n<p>            r <\/p>\n<p>            s <\/p>\n<p>            e <\/p>\n<p>            c <\/p>\n<p>            t <\/p>\n<p>          &#061; <\/p>\n<p>          max <\/p>\n<p>          \u2061 <\/p>\n<p>          ( <\/p>\n<p>          0 <\/p>\n<p>          , <\/p>\n<p>          min <\/p>\n<p>          \u2061 <\/p>\n<p>          ( <\/p>\n<p>           y <\/p>\n<p>           1 <\/p>\n<p>          &#043; <\/p>\n<p>           h <\/p>\n<p>           1 <\/p>\n<p>          , <\/p>\n<p>           y <\/p>\n<p>           2 <\/p>\n<p>          &#043; <\/p>\n<p>           h <\/p>\n<p>           2 <\/p>\n<p>          ) <\/p>\n<p>          \u2212 <\/p>\n<p>           y <\/p>\n<p>            i <\/p>\n<p>            n <\/p>\n<p>            t <\/p>\n<p>            e <\/p>\n<p>            r <\/p>\n<p>            s <\/p>\n<p>            e <\/p>\n<p>            c <\/p>\n<p>            t <\/p>\n<p>          ) <\/p>\n<p>         x_{intersect} &#061; \\\\max(x_1, x_2) \\\\\\\\ y_{intersect} &#061; \\\\max(y_1, y_2) \\\\\\\\ w_{intersect} &#061; \\\\max(0, \\\\min(x_1 &#043; w_1, x_2 &#043; w_2) &#8211; x_{intersect}) \\\\\\\\ h_{intersect} &#061; \\\\max(0, \\\\min(y_1 &#043; h_1, y_2 &#043; h_2) &#8211; y_{intersect}) <\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.5806em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mop\">max<\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">1<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><span class=\"mspace newline\"><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.625em;vertical-align: -0.1944em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mop\">max<\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">1<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><span class=\"mspace newline\"><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.5806em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0269em\">w<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0269em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mop\">max<\/span><span class=\"mopen\">(<\/span><span class=\"mord\">0<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mop\">min<\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">1<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.7778em;vertical-align: -0.1944em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0269em\">w<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0269em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">1<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0269em\">w<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0269em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u2212<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><span class=\"mspace newline\"><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8444em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">h<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mop\">max<\/span><span class=\"mopen\">(<\/span><span class=\"mord\">0<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mop\">min<\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">1<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8889em;vertical-align: -0.1944em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">h<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">1<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">h<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3011em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">2<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u2212<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>\u5982\u679c <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>          w <\/p>\n<p>           i <\/p>\n<p>           n <\/p>\n<p>           t <\/p>\n<p>           e <\/p>\n<p>           r <\/p>\n<p>           s <\/p>\n<p>           e <\/p>\n<p>           c <\/p>\n<p>           t <\/p>\n<p>        w_{intersect} <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.5806em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0269em\">w<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0269em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u548c <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>          h <\/p>\n<p>           i <\/p>\n<p>           n <\/p>\n<p>           t <\/p>\n<p>           e <\/p>\n<p>           r <\/p>\n<p>           s <\/p>\n<p>           e <\/p>\n<p>           c <\/p>\n<p>           t <\/p>\n<p>        h_{intersect} <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8444em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">h<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u90fd\u5927\u4e8e 0&#xff0c;\u5219\u8868\u793a\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         A <\/p>\n<p>        A <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span> \u548c\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         B <\/p>\n<p>        B <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0502em\">B<\/span><\/span><\/span><\/span><\/span> \u6709\u4ea4\u96c6&#xff0c;\u9700\u8981\u8fdb\u884c\u906e\u6321\u5904\u7406\u3002<\/p>\n<h4>4.2 \u8f93\u5165\u4e8b\u4ef6\u5904\u7406\u7684\u6570\u5b66\u6a21\u578b<\/h4>\n<p>\u5728\u8f93\u5165\u4e8b\u4ef6\u5904\u7406\u4e2d&#xff0c;\u5408\u6210\u5668\u9700\u8981\u6839\u636e\u9f20\u6807\u548c\u952e\u76d8\u7684\u4f4d\u7f6e\u548c\u72b6\u6001&#xff0c;\u5c06\u8f93\u5165\u4e8b\u4ef6\u5206\u53d1\u7ed9\u76f8\u5e94\u7684\u5ba2\u6237\u7aef\u3002\u53ef\u4ee5\u4f7f\u7528\u4e8c\u7ef4\u5e73\u9762\u4e0a\u7684\u70b9\u6765\u8868\u793a\u9f20\u6807\u7684\u4f4d\u7f6e&#xff0c;\u901a\u8fc7\u5224\u65ad\u70b9\u662f\u5426\u5728\u7a97\u53e3\u7684\u77e9\u5f62\u533a\u57df\u5185\u6765\u786e\u5b9a\u8f93\u5165\u4e8b\u4ef6\u5e94\u8be5\u5206\u53d1\u7ed9\u54ea\u4e2a\u5ba2\u6237\u7aef\u3002<\/p>\n<p>\u5047\u8bbe\u9f20\u6807\u7684\u4f4d\u7f6e\u4e3a <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         ( <\/p>\n<p>          x <\/p>\n<p>          m <\/p>\n<p>         , <\/p>\n<p>          y <\/p>\n<p>          m <\/p>\n<p>         ) <\/p>\n<p>        (x_m, y_m) <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">m<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">m<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>&#xff0c;\u7a97\u53e3\u7684\u4f4d\u7f6e\u548c\u5927\u5c0f\u53ef\u4ee5\u7528\u77e9\u5f62 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         ( <\/p>\n<p>         x <\/p>\n<p>         , <\/p>\n<p>         y <\/p>\n<p>         , <\/p>\n<p>         w <\/p>\n<p>         , <\/p>\n<p>         h <\/p>\n<p>         ) <\/p>\n<p>        (x, y, w, h) <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord mathnormal\">x<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0269em\">w<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord mathnormal\">h<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span> \u8868\u793a\u3002\u5219\u5224\u65ad\u9f20\u6807\u662f\u5426\u5728\u7a97\u53e3\u5185\u7684\u516c\u5f0f\u4e3a&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>           x <\/p>\n<p>           m <\/p>\n<p>          \u2265 <\/p>\n<p>          x <\/p>\n<p>          \u00a0and\u00a0 <\/p>\n<p>           x <\/p>\n<p>           m <\/p>\n<p>          &lt; <\/p>\n<p>          x <\/p>\n<p>          &#043; <\/p>\n<p>          w <\/p>\n<p>          \u00a0and\u00a0 <\/p>\n<p>           y <\/p>\n<p>           m <\/p>\n<p>          \u2265 <\/p>\n<p>          y <\/p>\n<p>          \u00a0and\u00a0 <\/p>\n<p>           y <\/p>\n<p>           m <\/p>\n<p>          &lt; <\/p>\n<p>          y <\/p>\n<p>          &#043; <\/p>\n<p>          h <\/p>\n<p>         x_m \\\\geq x \\\\text{ and } x_m &lt; x &#043; w \\\\text{ and } y_m \\\\geq y \\\\text{ and } y_m &lt; y &#043; h <\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.786em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">m<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2265<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8444em;vertical-align: -0.15em\"><\/span><span class=\"mord mathnormal\">x<\/span><span class=\"mord text\"><span class=\"mord\">\u00a0and\u00a0<\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">m<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&lt;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6667em;vertical-align: -0.0833em\"><\/span><span class=\"mord mathnormal\">x<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8889em;vertical-align: -0.1944em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0269em\">w<\/span><span class=\"mord text\"><span class=\"mord\">\u00a0and\u00a0<\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">m<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2265<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8889em;vertical-align: -0.1944em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"mord text\"><span class=\"mord\">\u00a0and\u00a0<\/span><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.1514em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mathnormal mtight\">m<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&lt;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.7778em;vertical-align: -0.1944em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6944em\"><\/span><span class=\"mord mathnormal\">h<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>\u5982\u679c\u4e0a\u8ff0\u6761\u4ef6\u6210\u7acb&#xff0c;\u5219\u8868\u793a\u9f20\u6807\u5728\u7a97\u53e3\u5185&#xff0c;\u8f93\u5165\u4e8b\u4ef6\u5e94\u8be5\u5206\u53d1\u7ed9\u8be5\u7a97\u53e3\u5bf9\u5e94\u7684\u5ba2\u6237\u7aef\u3002<\/p>\n<h4>4.3 \u4e3e\u4f8b\u8bf4\u660e<\/h4>\n<p>\u5047\u8bbe\u5b58\u5728\u4e24\u4e2a\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         A <\/p>\n<p>        A <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span> \u548c <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         B <\/p>\n<p>        B <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0502em\">B<\/span><\/span><\/span><\/span><\/span>&#xff0c;\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         A <\/p>\n<p>        A <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span> \u7684\u4f4d\u7f6e\u548c\u5927\u5c0f\u4e3a <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         ( <\/p>\n<p>         100 <\/p>\n<p>         , <\/p>\n<p>         100 <\/p>\n<p>         , <\/p>\n<p>         200 <\/p>\n<p>         , <\/p>\n<p>         200 <\/p>\n<p>         ) <\/p>\n<p>        (100, 100, 200, 200) <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord\">100<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\">100<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\">200<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\">200<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>&#xff0c;\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         B <\/p>\n<p>        B <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0502em\">B<\/span><\/span><\/span><\/span><\/span> \u7684\u4f4d\u7f6e\u548c\u5927\u5c0f\u4e3a <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         ( <\/p>\n<p>         150 <\/p>\n<p>         , <\/p>\n<p>         150 <\/p>\n<p>         , <\/p>\n<p>         200 <\/p>\n<p>         , <\/p>\n<p>         200 <\/p>\n<p>         ) <\/p>\n<p>        (150, 150, 200, 200) <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord\">150<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\">150<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\">200<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\">200<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>\u3002\u9f20\u6807\u7684\u4f4d\u7f6e\u4e3a <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         ( <\/p>\n<p>         180 <\/p>\n<p>         , <\/p>\n<p>         180 <\/p>\n<p>         ) <\/p>\n<p>        (180, 180) <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mopen\">(<\/span><span class=\"mord\">180<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\">180<\/span><span class=\"mclose\">)<\/span><\/span><\/span><\/span><\/span>\u3002<\/p>\n<p>\u9996\u5148\u8ba1\u7b97\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         A <\/p>\n<p>        A <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span> \u548c\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         B <\/p>\n<p>        B <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0502em\">B<\/span><\/span><\/span><\/span><\/span> \u7684\u4ea4\u96c6&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>           x <\/p>\n<p>            i <\/p>\n<p>            n <\/p>\n<p>            t <\/p>\n<p>            e <\/p>\n<p>            r <\/p>\n<p>            s <\/p>\n<p>            e <\/p>\n<p>            c <\/p>\n<p>            t <\/p>\n<p>          &#061; <\/p>\n<p>          max <\/p>\n<p>          \u2061 <\/p>\n<p>          ( <\/p>\n<p>          100 <\/p>\n<p>          , <\/p>\n<p>          150 <\/p>\n<p>          ) <\/p>\n<p>          &#061; <\/p>\n<p>          150 <\/p>\n<p>           y <\/p>\n<p>            i <\/p>\n<p>            n <\/p>\n<p>            t <\/p>\n<p>            e <\/p>\n<p>            r <\/p>\n<p>            s <\/p>\n<p>            e <\/p>\n<p>            c <\/p>\n<p>            t <\/p>\n<p>          &#061; <\/p>\n<p>          max <\/p>\n<p>          \u2061 <\/p>\n<p>          ( <\/p>\n<p>          100 <\/p>\n<p>          , <\/p>\n<p>          150 <\/p>\n<p>          ) <\/p>\n<p>          &#061; <\/p>\n<p>          150 <\/p>\n<p>           w <\/p>\n<p>            i <\/p>\n<p>            n <\/p>\n<p>            t <\/p>\n<p>            e <\/p>\n<p>            r <\/p>\n<p>            s <\/p>\n<p>            e <\/p>\n<p>            c <\/p>\n<p>            t <\/p>\n<p>          &#061; <\/p>\n<p>          max <\/p>\n<p>          \u2061 <\/p>\n<p>          ( <\/p>\n<p>          0 <\/p>\n<p>          , <\/p>\n<p>          min <\/p>\n<p>          \u2061 <\/p>\n<p>          ( <\/p>\n<p>          100 <\/p>\n<p>          &#043; <\/p>\n<p>          200 <\/p>\n<p>          , <\/p>\n<p>          150 <\/p>\n<p>          &#043; <\/p>\n<p>          200 <\/p>\n<p>          ) <\/p>\n<p>          \u2212 <\/p>\n<p>          150 <\/p>\n<p>          ) <\/p>\n<p>          &#061; <\/p>\n<p>          150 <\/p>\n<p>           h <\/p>\n<p>            i <\/p>\n<p>            n <\/p>\n<p>            t <\/p>\n<p>            e <\/p>\n<p>            r <\/p>\n<p>            s <\/p>\n<p>            e <\/p>\n<p>            c <\/p>\n<p>            t <\/p>\n<p>          &#061; <\/p>\n<p>          max <\/p>\n<p>          \u2061 <\/p>\n<p>          ( <\/p>\n<p>          0 <\/p>\n<p>          , <\/p>\n<p>          min <\/p>\n<p>          \u2061 <\/p>\n<p>          ( <\/p>\n<p>          100 <\/p>\n<p>          &#043; <\/p>\n<p>          200 <\/p>\n<p>          , <\/p>\n<p>          150 <\/p>\n<p>          &#043; <\/p>\n<p>          200 <\/p>\n<p>          ) <\/p>\n<p>          \u2212 <\/p>\n<p>          150 <\/p>\n<p>          ) <\/p>\n<p>          &#061; <\/p>\n<p>          150 <\/p>\n<p>         x_{intersect} &#061; \\\\max(100, 150) &#061; 150 \\\\\\\\ y_{intersect} &#061; \\\\max(100, 150) &#061; 150 \\\\\\\\ w_{intersect} &#061; \\\\max(0, \\\\min(100 &#043; 200, 150 &#043; 200) &#8211; 150) &#061; 150 \\\\\\\\ h_{intersect} &#061; \\\\max(0, \\\\min(100 &#043; 200, 150 &#043; 200) &#8211; 150) &#061; 150 <\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.5806em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">x<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mop\">max<\/span><span class=\"mopen\">(<\/span><span class=\"mord\">100<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\">150<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6444em\"><\/span><span class=\"mord\">150<\/span><\/span><span class=\"mspace newline\"><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.625em;vertical-align: -0.1944em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0359em\">y<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0359em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mop\">max<\/span><span class=\"mopen\">(<\/span><span class=\"mord\">100<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\">150<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6444em\"><\/span><span class=\"mord\">150<\/span><\/span><span class=\"mspace newline\"><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.5806em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0269em\">w<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0269em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mop\">max<\/span><span class=\"mopen\">(<\/span><span class=\"mord\">0<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mop\">min<\/span><span class=\"mopen\">(<\/span><span class=\"mord\">100<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8389em;vertical-align: -0.1944em\"><\/span><span class=\"mord\">200<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\">150<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\">200<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u2212<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\">150<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6444em\"><\/span><span class=\"mord\">150<\/span><\/span><span class=\"mspace newline\"><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8444em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">h<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mop\">max<\/span><span class=\"mopen\">(<\/span><span class=\"mord\">0<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mop\">min<\/span><span class=\"mopen\">(<\/span><span class=\"mord\">100<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8389em;vertical-align: -0.1944em\"><\/span><span class=\"mord\">200<\/span><span class=\"mpunct\">,<\/span><span class=\"mspace\" style=\"margin-right: 0.1667em\"><\/span><span class=\"mord\">150<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\">200<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">\u2212<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 1em;vertical-align: -0.25em\"><\/span><span class=\"mord\">150<\/span><span class=\"mclose\">)<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&#061;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6444em\"><\/span><span class=\"mord\">150<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>\u7531\u4e8e <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>          w <\/p>\n<p>           i <\/p>\n<p>           n <\/p>\n<p>           t <\/p>\n<p>           e <\/p>\n<p>           r <\/p>\n<p>           s <\/p>\n<p>           e <\/p>\n<p>           c <\/p>\n<p>           t <\/p>\n<p>        w_{intersect} <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.5806em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\" style=\"margin-right: 0.0269em\">w<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: -0.0269em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u548c <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>          h <\/p>\n<p>           i <\/p>\n<p>           n <\/p>\n<p>           t <\/p>\n<p>           e <\/p>\n<p>           r <\/p>\n<p>           s <\/p>\n<p>           e <\/p>\n<p>           c <\/p>\n<p>           t <\/p>\n<p>        h_{intersect} <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.8444em;vertical-align: -0.15em\"><\/span><span class=\"mord\"><span class=\"mord mathnormal\">h<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.3117em\"><span class=\"\" style=\"top: -2.55em;margin-left: 0em;margin-right: 0.05em\"><span class=\"pstrut\" style=\"height: 2.7em\"><\/span><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\"><span class=\"mord mathnormal mtight\">in<\/span><span class=\"mord mathnormal mtight\">t<\/span><span class=\"mord mathnormal mtight\">ersec<\/span><span class=\"mord mathnormal mtight\">t<\/span><\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><span class=\"vlist-r\"><span class=\"vlist\" style=\"height: 0.15em\"><span class=\"\"><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u90fd\u5927\u4e8e 0&#xff0c;\u8bf4\u660e\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         A <\/p>\n<p>        A <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span> \u548c\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         B <\/p>\n<p>        B <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\" style=\"margin-right: 0.0502em\">B<\/span><\/span><\/span><\/span><\/span> \u6709\u4ea4\u96c6\u3002<\/p>\n<p>\u7136\u540e\u5224\u65ad\u9f20\u6807\u662f\u5426\u5728\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         A <\/p>\n<p>        A <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span> \u5185&#xff1a;<\/p>\n<p><span class=\"katex--display\"><span class=\"katex-display\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>          180 <\/p>\n<p>          \u2265 <\/p>\n<p>          100 <\/p>\n<p>          \u00a0and\u00a0 <\/p>\n<p>          180 <\/p>\n<p>          &lt; <\/p>\n<p>          100 <\/p>\n<p>          &#043; <\/p>\n<p>          200 <\/p>\n<p>          \u00a0and\u00a0 <\/p>\n<p>          180 <\/p>\n<p>          \u2265 <\/p>\n<p>          100 <\/p>\n<p>          \u00a0and\u00a0 <\/p>\n<p>          180 <\/p>\n<p>          &lt; <\/p>\n<p>          100 <\/p>\n<p>          &#043; <\/p>\n<p>          200 <\/p>\n<p>         180 \\\\geq 100 \\\\text{ and } 180 &lt; 100 &#043; 200 \\\\text{ and } 180 \\\\geq 100 \\\\text{ and } 180 &lt; 100 &#043; 200 <\/p>\n<p>     <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.7804em;vertical-align: -0.136em\"><\/span><span class=\"mord\">180<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2265<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.7335em;vertical-align: -0.0391em\"><\/span><span class=\"mord\">100<\/span><span class=\"mord text\"><span class=\"mord\">\u00a0and\u00a0<\/span><\/span><span class=\"mord\">180<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&lt;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.7278em;vertical-align: -0.0833em\"><\/span><span class=\"mord\">100<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.8304em;vertical-align: -0.136em\"><\/span><span class=\"mord\">200<\/span><span class=\"mord text\"><span class=\"mord\">\u00a0and\u00a0<\/span><\/span><span class=\"mord\">180<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">\u2265<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.7335em;vertical-align: -0.0391em\"><\/span><span class=\"mord\">100<\/span><span class=\"mord text\"><span class=\"mord\">\u00a0and\u00a0<\/span><\/span><span class=\"mord\">180<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><span class=\"mrel\">&lt;<\/span><span class=\"mspace\" style=\"margin-right: 0.2778em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.7278em;vertical-align: -0.0833em\"><\/span><span class=\"mord\">100<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><span class=\"mbin\">&#043;<\/span><span class=\"mspace\" style=\"margin-right: 0.2222em\"><\/span><\/span><span class=\"base\"><span class=\"strut\" style=\"height: 0.6444em\"><\/span><span class=\"mord\">200<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>\u6761\u4ef6\u6210\u7acb&#xff0c;\u8bf4\u660e\u9f20\u6807\u5728\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         A <\/p>\n<p>        A <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span> \u5185&#xff0c;\u8f93\u5165\u4e8b\u4ef6\u5e94\u8be5\u5206\u53d1\u7ed9\u7a97\u53e3 <span class=\"katex--inline\"><span class=\"katex\"><span class=\"katex-mathml\"> <\/p>\n<p>         A <\/p>\n<p>        A <\/p>\n<p>    <\/span><span class=\"katex-html\"><span class=\"base\"><span class=\"strut\" style=\"height: 0.6833em\"><\/span><span class=\"mord mathnormal\">A<\/span><\/span><\/span><\/span><\/span> \u5bf9\u5e94\u7684\u5ba2\u6237\u7aef\u3002<\/p>\n<h3>5. \u9879\u76ee\u5b9e\u6218&#xff1a;\u4ee3\u7801\u5b9e\u9645\u6848\u4f8b\u548c\u8be6\u7ec6\u89e3\u91ca\u8bf4\u660e<\/h3>\n<h4>5.1 \u5f00\u53d1\u73af\u5883\u642d\u5efa<\/h4>\n<h5>5.1.1 \u5b89\u88c5 Ubuntu \u64cd\u4f5c\u7cfb\u7edf<\/h5>\n<p>\u9996\u5148&#xff0c;\u9700\u8981\u5728\u8ba1\u7b97\u673a\u4e0a\u5b89\u88c5 Ubuntu \u64cd\u4f5c\u7cfb\u7edf\u3002\u53ef\u4ee5\u4ece Ubuntu \u5b98\u65b9\u7f51\u7ad9\u4e0b\u8f7d\u6700\u65b0\u7684\u5b89\u88c5\u955c\u50cf&#xff0c;\u5e76\u6309\u7167\u5b89\u88c5\u5411\u5bfc\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<h5>5.1.2 \u5b89\u88c5\u5fc5\u8981\u7684\u5f00\u53d1\u5de5\u5177\u548c\u5e93<\/h5>\n<p>\u5b89\u88c5\u5fc5\u8981\u7684\u5f00\u53d1\u5de5\u5177\u548c\u5e93&#xff0c;\u5305\u62ec GCC \u7f16\u8bd1\u5668\u3001Make \u5de5\u5177\u548c Wayland \u5f00\u53d1\u5e93&#xff1a;<\/p>\n<p><span class=\"token function\">sudo<\/span> <span class=\"token function\">apt-get<\/span> <span class=\"token function\">install<\/span> build-essential libwayland-dev<\/p>\n<h4>5.2 \u6e90\u4ee3\u7801\u8be6\u7ec6\u5b9e\u73b0\u548c\u4ee3\u7801\u89e3\u8bfb<\/h4>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684 Wayland \u5e94\u7528\u7a0b\u5e8f\u7684\u6e90\u4ee3\u7801\u793a\u4f8b&#xff0c;\u8be5\u7a0b\u5e8f\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u7a97\u53e3\u5e76\u663e\u793a&#xff1a;<\/p>\n<p><span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;wayland-client.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;wayland-egl.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;EGL\/egl.h&gt;<\/span><\/span><br \/>\n<span class=\"token macro property\"><span class=\"token directive-hash\">#<\/span><span class=\"token directive keyword\">include<\/span> <span class=\"token string\">&lt;GLES2\/gl2.h&gt;<\/span><\/span><\/p>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">wl_display<\/span> <span class=\"token operator\">*<\/span>display <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">wl_registry<\/span> <span class=\"token operator\">*<\/span>registry <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">wl_compositor<\/span> <span class=\"token operator\">*<\/span>compositor <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">wl_surface<\/span> <span class=\"token operator\">*<\/span>surface <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">wl_egl_window<\/span> <span class=\"token operator\">*<\/span>egl_window <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span><br \/>\nEGLDisplay egl_display <span class=\"token operator\">&#061;<\/span> EGL_NO_DISPLAY<span class=\"token punctuation\">;<\/span><br \/>\nEGLConfig egl_config <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">;<\/span><br \/>\nEGLSurface egl_surface <span class=\"token operator\">&#061;<\/span> EGL_NO_SURFACE<span class=\"token punctuation\">;<\/span><br \/>\nEGLContext egl_context <span class=\"token operator\">&#061;<\/span> EGL_NO_CONTEXT<span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">registry_handle_global<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>data<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">wl_registry<\/span> <span class=\"token operator\">*<\/span>registry<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint32_t<\/span> name<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>interface<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint32_t<\/span> version<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">strcmp<\/span><span class=\"token punctuation\">(<\/span>interface<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;wl_compositor&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        compositor <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">wl_registry_bind<\/span><span class=\"token punctuation\">(<\/span>registry<span class=\"token punctuation\">,<\/span> name<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>wl_compositor_interface<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">registry_handle_global_remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">void<\/span> <span class=\"token operator\">*<\/span>data<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">wl_registry<\/span> <span class=\"token operator\">*<\/span>registry<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">uint32_t<\/span> name<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5904\u7406\u5168\u5c40\u5bf9\u8c61\u79fb\u9664\u4e8b\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">static<\/span> <span class=\"token keyword\">const<\/span> <span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">wl_registry_listener<\/span> registry_listener <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    registry_handle_global<span class=\"token punctuation\">,<\/span><br \/>\n    registry_handle_global_remove<br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">int<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> argc<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">char<\/span> <span class=\"token operator\">*<\/span>argv<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fde\u63a5\u5230 Wayland \u663e\u793a\u670d\u52a1\u5668<\/span><br \/>\n    display <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">wl_display_connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>display<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Failed to connect to Wayland display server\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u83b7\u53d6\u6ce8\u518c\u8868<\/span><br \/>\n    registry <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">wl_display_get_registry<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">wl_registry_add_listener<\/span><span class=\"token punctuation\">(<\/span>registry<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>registry_listener<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">wl_display_dispatch<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">wl_display_roundtrip<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>compositor<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Failed to get wl_compositor\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">wl_display_disconnect<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521b\u5efa\u8868\u9762<\/span><br \/>\n    surface <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">wl_compositor_create_surface<\/span><span class=\"token punctuation\">(<\/span>compositor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>surface<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Failed to create wl_surface\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">wl_display_disconnect<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u521d\u59cb\u5316 EGL<\/span><br \/>\n    egl_display <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">eglGetDisplay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>EGLNativeDisplayType<span class=\"token punctuation\">)<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>egl_display <span class=\"token operator\">&#061;&#061;<\/span> EGL_NO_DISPLAY<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Failed to get EGL display\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">wl_display_disconnect<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    EGLint major<span class=\"token punctuation\">,<\/span> minor<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">eglInitialize<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>major<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>minor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Failed to initialize EGL\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">wl_display_disconnect<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    EGLint num_configs<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">const<\/span> EGLint config_attribs<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        EGL_SURFACE_TYPE<span class=\"token punctuation\">,<\/span> EGL_PBUFFER_BIT <span class=\"token operator\">|<\/span> EGL_WINDOW_BIT<span class=\"token punctuation\">,<\/span><br \/>\n        EGL_RED_SIZE<span class=\"token punctuation\">,<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        EGL_GREEN_SIZE<span class=\"token punctuation\">,<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        EGL_BLUE_SIZE<span class=\"token punctuation\">,<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        EGL_ALPHA_SIZE<span class=\"token punctuation\">,<\/span> <span class=\"token number\">8<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        EGL_RENDERABLE_TYPE<span class=\"token punctuation\">,<\/span> EGL_OPENGL_ES2_BIT<span class=\"token punctuation\">,<\/span><br \/>\n        EGL_NONE<br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">eglChooseConfig<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> config_attribs<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>egl_config<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>num_configs<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Failed to choose EGL config\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">eglTerminate<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">wl_display_disconnect<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    egl_context <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">eglCreateContext<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_config<span class=\"token punctuation\">,<\/span> EGL_NO_CONTEXT<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>egl_context <span class=\"token operator\">&#061;&#061;<\/span> EGL_NO_CONTEXT<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Failed to create EGL context\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">eglTerminate<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">wl_display_disconnect<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    egl_window <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">wl_egl_window_create<\/span><span class=\"token punctuation\">(<\/span>surface<span class=\"token punctuation\">,<\/span> <span class=\"token number\">800<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">600<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>egl_window<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Failed to create wl_egl_window\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">eglDestroyContext<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">eglTerminate<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">wl_display_disconnect<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    egl_surface <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">eglCreateWindowSurface<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_config<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>EGLNativeWindowType<span class=\"token punctuation\">)<\/span>egl_window<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>egl_surface <span class=\"token operator\">&#061;&#061;<\/span> EGL_NO_SURFACE<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Failed to create EGL surface\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">wl_egl_window_destroy<\/span><span class=\"token punctuation\">(<\/span>egl_window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">eglDestroyContext<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">eglTerminate<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">wl_display_disconnect<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token function\">eglMakeCurrent<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_surface<span class=\"token punctuation\">,<\/span> egl_surface<span class=\"token punctuation\">,<\/span> egl_context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token function\">fprintf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">stderr<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Failed to make EGL context current\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">eglDestroySurface<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_surface<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">wl_egl_window_destroy<\/span><span class=\"token punctuation\">(<\/span>egl_window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">eglDestroyContext<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">eglTerminate<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token function\">wl_display_disconnect<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6e05\u7a7a\u989c\u8272\u7f13\u51b2\u533a<\/span><br \/>\n    <span class=\"token function\">glClearColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1.0f<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">glClear<\/span><span class=\"token punctuation\">(<\/span>GL_COLOR_BUFFER_BIT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4ea4\u6362\u7f13\u51b2\u533a<\/span><br \/>\n    <span class=\"token function\">eglSwapBuffers<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_surface<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4e3b\u5faa\u73af<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">wl_display_dispatch<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5904\u7406\u4e8b\u4ef6<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6e05\u7406\u8d44\u6e90<\/span><br \/>\n    <span class=\"token function\">eglMakeCurrent<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> EGL_NO_SURFACE<span class=\"token punctuation\">,<\/span> EGL_NO_SURFACE<span class=\"token punctuation\">,<\/span> EGL_NO_CONTEXT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">eglDestroySurface<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_surface<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">wl_egl_window_destroy<\/span><span class=\"token punctuation\">(<\/span>egl_window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">eglDestroyContext<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">eglTerminate<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">wl_surface_destroy<\/span><span class=\"token punctuation\">(<\/span>surface<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">wl_compositor_destroy<\/span><span class=\"token punctuation\">(<\/span>compositor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">wl_registry_destroy<\/span><span class=\"token punctuation\">(<\/span>registry<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token function\">wl_display_disconnect<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">return<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>5.3 \u4ee3\u7801\u89e3\u8bfb\u4e0e\u5206\u6790<\/h4>\n<h5>5.3.1 \u8fde\u63a5\u5230 Wayland \u663e\u793a\u670d\u52a1\u5668<\/h5>\n<p>display <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">wl_display_connect<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8fd9\u884c\u4ee3\u7801\u7528\u4e8e\u8fde\u63a5\u5230 Wayland \u663e\u793a\u670d\u52a1\u5668\u3002\u5982\u679c\u8fde\u63a5\u5931\u8d25&#xff0c;\u7a0b\u5e8f\u5c06\u8f93\u51fa\u9519\u8bef\u4fe1\u606f\u5e76\u9000\u51fa\u3002<\/p>\n<h5>5.3.2 \u83b7\u53d6\u6ce8\u518c\u8868<\/h5>\n<p>registry <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">wl_display_get_registry<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">wl_registry_add_listener<\/span><span class=\"token punctuation\">(<\/span>registry<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>registry_listener<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">wl_display_dispatch<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">wl_display_roundtrip<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u901a\u8fc7 wl_display_get_registry \u51fd\u6570\u83b7\u53d6\u6ce8\u518c\u8868&#xff0c;\u7136\u540e\u6dfb\u52a0\u6ce8\u518c\u8868\u76d1\u542c\u5668&#xff0c;\u5904\u7406\u5168\u5c40\u5bf9\u8c61\u7684\u6dfb\u52a0\u548c\u79fb\u9664\u4e8b\u4ef6\u3002wl_display_dispatch \u548c wl_display_roundtrip \u51fd\u6570\u7528\u4e8e\u5904\u7406\u4e8b\u4ef6\u548c\u540c\u6b65\u6570\u636e\u3002<\/p>\n<h5>5.3.3 \u521b\u5efa\u8868\u9762<\/h5>\n<p>surface <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">wl_compositor_create_surface<\/span><span class=\"token punctuation\">(<\/span>compositor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u4f7f\u7528 wl_compositor_create_surface \u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u8868\u9762&#xff0c;\u7528\u4e8e\u663e\u793a\u56fe\u5f62\u3002<\/p>\n<h5>5.3.4 \u521d\u59cb\u5316 EGL<\/h5>\n<p>egl_display <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">eglGetDisplay<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>EGLNativeDisplayType<span class=\"token punctuation\">)<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">eglInitialize<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>major<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>minor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">eglChooseConfig<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> config_attribs<span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>egl_config<span class=\"token punctuation\">,<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&amp;<\/span>num_configs<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\negl_context <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">eglCreateContext<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_config<span class=\"token punctuation\">,<\/span> EGL_NO_CONTEXT<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u521d\u59cb\u5316 EGL \u663e\u793a\u3001\u4e0a\u4e0b\u6587\u548c\u914d\u7f6e&#xff0c;\u4e3a\u540e\u7eed\u7684\u56fe\u5f62\u6e32\u67d3\u505a\u51c6\u5907\u3002<\/p>\n<h5>5.3.5 \u521b\u5efa EGL \u7a97\u53e3\u548c\u8868\u9762<\/h5>\n<p>egl_window <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">wl_egl_window_create<\/span><span class=\"token punctuation\">(<\/span>surface<span class=\"token punctuation\">,<\/span> <span class=\"token number\">800<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">600<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\negl_surface <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">eglCreateWindowSurface<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_config<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span>EGLNativeWindowType<span class=\"token punctuation\">)<\/span>egl_window<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">NULL<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">eglMakeCurrent<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_surface<span class=\"token punctuation\">,<\/span> egl_surface<span class=\"token punctuation\">,<\/span> egl_context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u521b\u5efa EGL \u7a97\u53e3\u548c\u8868\u9762&#xff0c;\u5e76\u5c06\u5176\u8bbe\u7f6e\u4e3a\u5f53\u524d\u4e0a\u4e0b\u6587&#xff0c;\u4ee5\u4fbf\u8fdb\u884c\u56fe\u5f62\u6e32\u67d3\u3002<\/p>\n<h5>5.3.6 \u56fe\u5f62\u6e32\u67d3<\/h5>\n<p><span class=\"token function\">glClearColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.0f<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1.0f<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">glClear<\/span><span class=\"token punctuation\">(<\/span>GL_COLOR_BUFFER_BIT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">eglSwapBuffers<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_surface<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u6e05\u7a7a\u989c\u8272\u7f13\u51b2\u533a&#xff0c;\u5c06\u80cc\u666f\u989c\u8272\u8bbe\u7f6e\u4e3a\u7ea2\u8272&#xff0c;\u7136\u540e\u4ea4\u6362\u7f13\u51b2\u533a&#xff0c;\u5c06\u6e32\u67d3\u7ed3\u679c\u663e\u793a\u5728\u5c4f\u5e55\u4e0a\u3002<\/p>\n<h5>5.3.7 \u4e3b\u5faa\u73af<\/h5>\n<p><span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">wl_display_dispatch<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">!&#061;<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5904\u7406\u4e8b\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fdb\u5165\u4e3b\u5faa\u73af&#xff0c;\u4e0d\u65ad\u5904\u7406 Wayland \u663e\u793a\u670d\u52a1\u5668\u7684\u4e8b\u4ef6\u3002<\/p>\n<h5>5.3.8 \u6e05\u7406\u8d44\u6e90<\/h5>\n<p><span class=\"token function\">eglMakeCurrent<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> EGL_NO_SURFACE<span class=\"token punctuation\">,<\/span> EGL_NO_SURFACE<span class=\"token punctuation\">,<\/span> EGL_NO_CONTEXT<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">eglDestroySurface<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_surface<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">wl_egl_window_destroy<\/span><span class=\"token punctuation\">(<\/span>egl_window<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">eglDestroyContext<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">,<\/span> egl_context<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">eglTerminate<\/span><span class=\"token punctuation\">(<\/span>egl_display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">wl_surface_destroy<\/span><span class=\"token punctuation\">(<\/span>surface<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">wl_compositor_destroy<\/span><span class=\"token punctuation\">(<\/span>compositor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">wl_registry_destroy<\/span><span class=\"token punctuation\">(<\/span>registry<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token function\">wl_display_disconnect<\/span><span class=\"token punctuation\">(<\/span>display<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5728\u7a0b\u5e8f\u7ed3\u675f\u65f6&#xff0c;\u6e05\u7406\u6240\u6709\u5206\u914d\u7684\u8d44\u6e90&#xff0c;\u65ad\u5f00\u4e0e Wayland \u663e\u793a\u670d\u52a1\u5668\u7684\u8fde\u63a5\u3002<\/p>\n<h3>6. \u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h3>\n<h4>6.1 \u684c\u9762\u73af\u5883<\/h4>\n<p>Wayland \u53ef\u4ee5\u4f5c\u4e3a\u73b0\u4ee3\u684c\u9762\u73af\u5883\u7684\u663e\u793a\u670d\u52a1\u5668&#xff0c;\u63d0\u4f9b\u66f4\u9ad8\u6548\u3001\u5b89\u5168\u548c\u6d41\u7545\u7684\u56fe\u5f62\u663e\u793a\u4f53\u9a8c\u3002\u8bb8\u591a Linux \u53d1\u884c\u7248\u5df2\u7ecf\u5f00\u59cb\u91c7\u7528 Wayland \u4f5c\u4e3a\u9ed8\u8ba4\u7684\u663e\u793a\u670d\u52a1\u5668&#xff0c;\u5982 Ubuntu\u3001Fedora \u7b49\u3002<\/p>\n<h4>6.2 \u5d4c\u5165\u5f0f\u7cfb\u7edf<\/h4>\n<p>\u7531\u4e8e Wayland \u7684\u8bbe\u8ba1\u7b80\u5355\u3001\u6027\u80fd\u9ad8\u6548&#xff0c;\u975e\u5e38\u9002\u5408\u5d4c\u5165\u5f0f\u7cfb\u7edf\u7684\u56fe\u5f62\u663e\u793a\u9700\u6c42\u3002\u5728\u5d4c\u5165\u5f0f\u8bbe\u5907\u4e2d&#xff0c;\u5982\u667a\u80fd\u7535\u89c6\u3001\u5de5\u4e1a\u63a7\u5236\u8bbe\u5907\u7b49&#xff0c;\u53ef\u4ee5\u4f7f\u7528 Wayland \u6765\u5b9e\u73b0\u56fe\u5f62\u754c\u9762\u7684\u663e\u793a\u3002<\/p>\n<h4>6.3 \u6e38\u620f\u5f00\u53d1<\/h4>\n<p>\u5728\u6e38\u620f\u5f00\u53d1\u4e2d&#xff0c;\u56fe\u5f62\u6e32\u67d3\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002Wayland \u7684\u76f4\u63a5\u6e32\u67d3\u65b9\u5f0f\u53ef\u4ee5\u51cf\u5c11\u4e2d\u95f4\u73af\u8282&#xff0c;\u63d0\u9ad8\u56fe\u5f62\u6e32\u67d3\u6548\u7387&#xff0c;\u4ece\u800c\u4e3a\u6e38\u620f\u5f00\u53d1\u8005\u63d0\u4f9b\u66f4\u597d\u7684\u5f00\u53d1\u4f53\u9a8c\u3002<\/p>\n<h4>6.4 \u865a\u62df\u73b0\u5b9e\u548c\u589e\u5f3a\u73b0\u5b9e<\/h4>\n<p>\u865a\u62df\u73b0\u5b9e\u548c\u589e\u5f3a\u73b0\u5b9e\u5e94\u7528\u5bf9\u56fe\u5f62\u663e\u793a\u7684\u5b9e\u65f6\u6027\u548c\u6027\u80fd\u8981\u6c42\u975e\u5e38\u9ad8\u3002Wayland \u7684\u9ad8\u6027\u80fd\u548c\u4f4e\u5ef6\u8fdf\u7279\u6027\u53ef\u4ee5\u6ee1\u8db3\u8fd9\u4e9b\u5e94\u7528\u7684\u9700\u6c42&#xff0c;\u4e3a\u7528\u6237\u63d0\u4f9b\u66f4\u52a0\u903c\u771f\u7684\u865a\u62df\u73b0\u5b9e\u548c\u589e\u5f3a\u73b0\u5b9e\u4f53\u9a8c\u3002<\/p>\n<h3>7. \u5de5\u5177\u548c\u8d44\u6e90\u63a8\u8350<\/h3>\n<h4>7.1 \u5b66\u4e60\u8d44\u6e90\u63a8\u8350<\/h4>\n<h5>7.1.1 \u4e66\u7c4d\u63a8\u8350<\/h5>\n<ul>\n<li>\u300aWayland \u5b9e\u6218\u300b&#xff1a;\u8be6\u7ec6\u4ecb\u7ecd\u4e86 Wayland \u7684\u539f\u7406\u3001\u5f00\u53d1\u548c\u5e94\u7528&#xff0c;\u662f\u5b66\u4e60 Wayland \u7684\u4e00\u672c\u5f88\u597d\u7684\u53c2\u8003\u4e66\u3002<\/li>\n<li>\u300aLinux \u56fe\u5f62\u7f16\u7a0b\u300b&#xff1a;\u6db5\u76d6\u4e86 Linux \u7cfb\u7edf\u4e2d\u56fe\u5f62\u7f16\u7a0b\u7684\u5404\u4e2a\u65b9\u9762&#xff0c;\u5305\u62ec X Window \u7cfb\u7edf\u548c Wayland \u663e\u793a\u670d\u52a1\u5668\u3002<\/li>\n<\/ul>\n<h5>7.1.2 \u5728\u7ebf\u8bfe\u7a0b<\/h5>\n<ul>\n<li>Coursera \u4e0a\u7684\u300aLinux \u56fe\u5f62\u7f16\u7a0b\u57fa\u7840\u300b&#xff1a;\u4ecb\u7ecd\u4e86 Linux \u7cfb\u7edf\u4e2d\u56fe\u5f62\u7f16\u7a0b\u7684\u57fa\u7840\u77e5\u8bc6&#xff0c;\u5305\u62ec Wayland \u7684\u4f7f\u7528\u3002<\/li>\n<li>Udemy \u4e0a\u7684\u300aWayland \u5f00\u53d1\u5b9e\u6218\u300b&#xff1a;\u901a\u8fc7\u5b9e\u9645\u9879\u76ee&#xff0c;\u8bb2\u89e3\u4e86\u5982\u4f55\u4f7f\u7528 Wayland \u8fdb\u884c\u5f00\u53d1\u3002<\/li>\n<\/ul>\n<h5>7.1.3 \u6280\u672f\u535a\u5ba2\u548c\u7f51\u7ad9<\/h5>\n<ul>\n<li>Wayland \u5b98\u65b9\u7f51\u7ad9&#xff1a;\u63d0\u4f9b\u4e86 Wayland \u7684\u6700\u65b0\u4fe1\u606f\u3001\u6587\u6863\u548c\u6e90\u4ee3\u7801\u3002<\/li>\n<li>Linux \u5185\u6838\u90ae\u4ef6\u5217\u8868&#xff1a;\u53ef\u4ee5\u5173\u6ce8 Wayland \u76f8\u5173\u7684\u8ba8\u8bba\u548c\u5f00\u53d1\u8fdb\u5c55\u3002<\/li>\n<\/ul>\n<h4>7.2 \u5f00\u53d1\u5de5\u5177\u6846\u67b6\u63a8\u8350<\/h4>\n<h5>7.2.1 IDE\u548c\u7f16\u8f91\u5668<\/h5>\n<ul>\n<li>Visual Studio Code&#xff1a;\u529f\u80fd\u5f3a\u5927\u7684\u4ee3\u7801\u7f16\u8f91\u5668&#xff0c;\u652f\u6301\u591a\u79cd\u7f16\u7a0b\u8bed\u8a00\u548c\u63d2\u4ef6&#xff0c;\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c Wayland \u5f00\u53d1\u3002<\/li>\n<li>Vim&#xff1a;\u7ecf\u5178\u7684\u6587\u672c\u7f16\u8f91\u5668&#xff0c;\u9002\u5408\u719f\u7ec3\u7684\u5f00\u53d1\u8005\u8fdb\u884c\u4ee3\u7801\u7f16\u8f91\u3002<\/li>\n<\/ul>\n<h5>7.2.2 \u8c03\u8bd5\u548c\u6027\u80fd\u5206\u6790\u5de5\u5177<\/h5>\n<ul>\n<li>GDB&#xff1a;\u901a\u7528\u7684\u8c03\u8bd5\u5668&#xff0c;\u53ef\u4ee5\u7528\u4e8e\u8c03\u8bd5 Wayland \u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n<li>Valgrind&#xff1a;\u5185\u5b58\u8c03\u8bd5\u548c\u6027\u80fd\u5206\u6790\u5de5\u5177&#xff0c;\u53ef\u4ee5\u5e2e\u52a9\u68c0\u6d4b\u5185\u5b58\u6cc4\u6f0f\u548c\u6027\u80fd\u74f6\u9888\u3002<\/li>\n<\/ul>\n<h5>7.2.3 \u76f8\u5173\u6846\u67b6\u548c\u5e93<\/h5>\n<ul>\n<li>Wayland \u5f00\u53d1\u5e93&#xff1a;\u63d0\u4f9b\u4e86 Wayland \u534f\u8bae\u7684\u5b9e\u73b0\u548c\u76f8\u5173\u7684\u5f00\u53d1\u63a5\u53e3\u3002<\/li>\n<li>EGL \u548c GLES \u5e93&#xff1a;\u7528\u4e8e\u5728\u4e0d\u540c\u56fe\u5f62\u786c\u4ef6\u4e0a\u8fdb\u884c\u56fe\u5f62\u6e32\u67d3\u3002<\/li>\n<\/ul>\n<h4>7.3 \u76f8\u5173\u8bba\u6587\u8457\u4f5c\u63a8\u8350<\/h4>\n<h5>7.3.1 \u7ecf\u5178\u8bba\u6587<\/h5>\n<ul>\n<li>\u300aWayland: A New Display Server Protocol for Linux\u300b&#xff1a;\u4ecb\u7ecd\u4e86 Wayland \u7684\u8bbe\u8ba1\u7406\u5ff5\u548c\u67b6\u6784\u539f\u7406\u3002<\/li>\n<li>\u300aComparing X Window System and Wayland in Terms of Performance and Security\u300b&#xff1a;\u5bf9\u6bd4\u4e86 X Window \u7cfb\u7edf\u548c Wayland \u5728\u6027\u80fd\u548c\u5b89\u5168\u6027\u65b9\u9762\u7684\u5dee\u5f02\u3002<\/li>\n<\/ul>\n<h5>7.3.2 \u6700\u65b0\u7814\u7a76\u6210\u679c<\/h5>\n<p>\u53ef\u4ee5\u5173\u6ce8\u5b66\u672f\u671f\u520a\u548c\u4f1a\u8bae&#xff0c;\u5982 ACM SIGGRAPH\u3001IEEE Graphics and Visualization \u7b49&#xff0c;\u83b7\u53d6 Wayland \u76f8\u5173\u7684\u6700\u65b0\u7814\u7a76\u6210\u679c\u3002<\/p>\n<h5>7.3.3 \u5e94\u7528\u6848\u4f8b\u5206\u6790<\/h5>\n<p>\u53ef\u4ee5\u5728\u5f00\u6e90\u9879\u76ee\u5e73\u53f0\u4e0a\u67e5\u627e\u4f7f\u7528 Wayland \u7684\u5b9e\u9645\u5e94\u7528\u6848\u4f8b&#xff0c;\u5206\u6790\u5176\u4ee3\u7801\u5b9e\u73b0\u548c\u8bbe\u8ba1\u601d\u8def\u3002<\/p>\n<h3>8. \u603b\u7ed3&#xff1a;\u672a\u6765\u53d1\u5c55\u8d8b\u52bf\u4e0e\u6311\u6218<\/h3>\n<h4>8.1 \u672a\u6765\u53d1\u5c55\u8d8b\u52bf<\/h4>\n<h5>8.1.1 \u5e7f\u6cdb\u5e94\u7528<\/h5>\n<p>\u968f\u7740 Linux \u684c\u9762\u73af\u5883\u7684\u4e0d\u65ad\u53d1\u5c55\u548c\u5b8c\u5584&#xff0c;Wayland \u4f5c\u4e3a\u65b0\u4e00\u4ee3\u7684\u663e\u793a\u670d\u52a1\u5668\u534f\u8bae&#xff0c;\u5c06\u4f1a\u5f97\u5230\u66f4\u5e7f\u6cdb\u7684\u5e94\u7528\u3002\u8d8a\u6765\u8d8a\u591a\u7684 Linux \u53d1\u884c\u7248\u5c06\u91c7\u7528 Wayland \u4f5c\u4e3a\u9ed8\u8ba4\u7684\u663e\u793a\u670d\u52a1\u5668&#xff0c;\u63a8\u52a8 Wayland \u5728\u684c\u9762\u5e02\u573a\u7684\u666e\u53ca\u3002<\/p>\n<h5>8.1.2 \u6027\u80fd\u63d0\u5347<\/h5>\n<p>\u672a\u6765&#xff0c;Wayland \u7684\u6027\u80fd\u5c06\u4f1a\u8fdb\u4e00\u6b65\u63d0\u5347\u3002\u901a\u8fc7\u4f18\u5316\u56fe\u5f62\u5408\u6210\u7b97\u6cd5\u3001\u51cf\u5c11\u4e2d\u95f4\u73af\u8282\u548c\u63d0\u9ad8\u786c\u4ef6\u5229\u7528\u7387\u7b49\u65b9\u5f0f&#xff0c;Wayland \u5c06\u80fd\u591f\u63d0\u4f9b\u66f4\u52a0\u6d41\u7545\u548c\u9ad8\u6548\u7684\u56fe\u5f62\u663e\u793a\u4f53\u9a8c\u3002<\/p>\n<h5>8.1.3 \u529f\u80fd\u6269\u5c55<\/h5>\n<p>Wayland \u7684\u529f\u80fd\u5c06\u4f1a\u4e0d\u65ad\u6269\u5c55\u3002\u4f8b\u5982&#xff0c;\u652f\u6301\u66f4\u591a\u7684\u8f93\u5165\u8bbe\u5907\u3001\u63d0\u4f9b\u66f4\u4e30\u5bcc\u7684\u56fe\u5f62\u6548\u679c\u548c\u652f\u6301\u591a\u5c4f\u663e\u793a\u7b49&#xff0c;\u4ee5\u6ee1\u8db3\u7528\u6237\u65e5\u76ca\u589e\u957f\u7684\u9700\u6c42\u3002<\/p>\n<h4>8.2 \u6311\u6218<\/h4>\n<h5>8.2.1 \u517c\u5bb9\u6027\u95ee\u9898<\/h5>\n<p>\u7531\u4e8e Wayland \u4e0e\u4f20\u7edf\u7684 X Window \u7cfb\u7edf\u5b58\u5728\u4e00\u5b9a\u7684\u5dee\u5f02&#xff0c;\u4e00\u4e9b\u57fa\u4e8e X Window \u7cfb\u7edf\u5f00\u53d1\u7684\u5e94\u7528\u7a0b\u5e8f\u53ef\u80fd\u65e0\u6cd5\u76f4\u63a5\u5728 Wayland \u4e0a\u8fd0\u884c\u3002\u56e0\u6b64&#xff0c;\u9700\u8981\u89e3\u51b3\u5e94\u7528\u7a0b\u5e8f\u7684\u517c\u5bb9\u6027\u95ee\u9898&#xff0c;\u786e\u4fdd\u7528\u6237\u80fd\u591f\u987a\u5229\u8fc1\u79fb\u5230 Wayland\u3002<\/p>\n<h5>8.2.2 \u5f00\u53d1\u6210\u672c<\/h5>\n<p>\u867d\u7136 Wayland \u7684\u534f\u8bae\u548c\u67b6\u6784\u76f8\u5bf9\u7b80\u5355&#xff0c;\u4f46\u5bf9\u4e8e\u5f00\u53d1\u8005\u6765\u8bf4&#xff0c;\u4ecd\u7136\u9700\u8981\u4e00\u5b9a\u7684\u5b66\u4e60\u6210\u672c\u3002\u7279\u522b\u662f\u5bf9\u4e8e\u4e00\u4e9b\u5927\u578b\u7684\u5e94\u7528\u7a0b\u5e8f\u548c\u590d\u6742\u7684\u56fe\u5f62\u754c\u9762&#xff0c;\u5f00\u53d1\u96be\u5ea6\u53ef\u80fd\u4f1a\u66f4\u9ad8\u3002<\/p>\n<h5>8.2.3 \u751f\u6001\u7cfb\u7edf\u5efa\u8bbe<\/h5>\n<p>Wayland \u7684\u751f\u6001\u7cfb\u7edf\u8fd8\u4e0d\u591f\u5b8c\u5584&#xff0c;\u7f3a\u4e4f\u4e00\u4e9b\u5fc5\u8981\u7684\u5de5\u5177\u548c\u8d44\u6e90\u3002\u9700\u8981\u8fdb\u4e00\u6b65\u52a0\u5f3a\u751f\u6001\u7cfb\u7edf\u5efa\u8bbe&#xff0c;\u5438\u5f15\u66f4\u591a\u7684\u5f00\u53d1\u8005\u548c\u4f01\u4e1a\u53c2\u4e0e\u5230 Wayland \u7684\u5f00\u53d1\u548c\u5e94\u7528\u4e2d\u6765\u3002<\/p>\n<h3>9. \u9644\u5f55&#xff1a;\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u7b54<\/h3>\n<h4>9.1 \u5982\u4f55\u5728 Ubuntu \u7cfb\u7edf\u4e2d\u5207\u6362\u5230 Wayland \u663e\u793a\u670d\u52a1\u5668&#xff1f;<\/h4>\n<p>\u5728 Ubuntu \u7cfb\u7edf\u4e2d&#xff0c;\u53ef\u4ee5\u5728\u767b\u5f55\u754c\u9762\u9009\u62e9\u4f7f\u7528 Wayland \u4f1a\u8bdd\u3002\u5728\u767b\u5f55\u754c\u9762\u7684\u7528\u6237\u540d\u8f93\u5165\u6846\u4e0b\u65b9&#xff0c;\u70b9\u51fb\u9f7f\u8f6e\u56fe\u6807&#xff0c;\u9009\u62e9 Wayland \u4f1a\u8bdd&#xff0c;\u7136\u540e\u8f93\u5165\u5bc6\u7801\u767b\u5f55\u5373\u53ef\u3002<\/p>\n<h4>9.2 Wayland \u4e0e X Window \u7cfb\u7edf\u662f\u5426\u53ef\u4ee5\u540c\u65f6\u4f7f\u7528&#xff1f;<\/h4>\n<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b&#xff0c;Wayland \u548c X Window \u7cfb\u7edf\u4e0d\u80fd\u540c\u65f6\u4f7f\u7528\u3002\u56e0\u4e3a\u5b83\u4eec\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u663e\u793a\u670d\u52a1\u5668\u534f\u8bae&#xff0c;\u4e00\u4e2a\u7cfb\u7edf\u53ea\u80fd\u540c\u65f6\u8fd0\u884c\u4e00\u4e2a\u663e\u793a\u670d\u52a1\u5668\u3002<\/p>\n<h4>9.3 \u54ea\u4e9b\u5e94\u7528\u7a0b\u5e8f\u4e0d\u652f\u6301 Wayland&#xff1f;<\/h4>\n<p>\u4e00\u4e9b\u57fa\u4e8e\u65e7\u7248 X Window \u7cfb\u7edf\u5f00\u53d1\u7684\u5e94\u7528\u7a0b\u5e8f\u53ef\u80fd\u4e0d\u652f\u6301 Wayland\u3002\u4f8b\u5982&#xff0c;\u4e00\u4e9b\u4f7f\u7528 Xlib \u5e93\u7684\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u9700\u8981\u8fdb\u884c\u76f8\u5e94\u7684\u4fee\u6539\u624d\u80fd\u5728 Wayland \u4e0a\u8fd0\u884c\u3002<\/p>\n<h4>9.4 \u5982\u4f55\u8c03\u8bd5 Wayland \u5e94\u7528\u7a0b\u5e8f&#xff1f;<\/h4>\n<p>\u53ef\u4ee5\u4f7f\u7528 GDB \u7b49\u8c03\u8bd5\u5de5\u5177\u6765\u8c03\u8bd5 Wayland \u5e94\u7528\u7a0b\u5e8f\u3002\u5728\u8c03\u8bd5\u8fc7\u7a0b\u4e2d&#xff0c;\u9700\u8981\u6ce8\u610f Wayland \u534f\u8bae\u7684\u4f7f\u7528\u548c\u4e8b\u4ef6\u5904\u7406\u673a\u5236\u3002<\/p>\n<h4>9.5 Wayland \u662f\u5426\u652f\u6301\u591a\u5c4f\u663e\u793a&#xff1f;<\/h4>\n<p>Wayland \u652f\u6301\u591a\u5c4f\u663e\u793a\u3002\u5408\u6210\u5668\u53ef\u4ee5\u7ba1\u7406\u591a\u4e2a\u5c4f\u5e55&#xff0c;\u5e76\u6839\u636e\u7528\u6237\u7684\u8bbe\u7f6e\u8fdb\u884c\u7a97\u53e3\u7684\u5e03\u5c40\u548c\u663e\u793a\u3002<\/p>\n<h3>10. \u6269\u5c55\u9605\u8bfb &amp; \u53c2\u8003\u8d44\u6599<\/h3>\n<ul>\n<li>Wayland \u5b98\u65b9\u6587\u6863&#xff1a;https:\/\/wayland.freedesktop.org\/<\/li>\n<li>X Window \u7cfb\u7edf\u5b98\u65b9\u6587\u6863&#xff1a;https:\/\/www.x.org\/wiki\/<\/li>\n<li>\u300aLinux \u5185\u6838\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u300b<\/li>\n<li>\u300aOpenGL \u7f16\u7a0b\u6307\u5357\u300b<\/li>\n<li>\u76f8\u5173\u5b66\u672f\u671f\u520a\u548c\u4f1a\u8bae\u8bba\u6587<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u5185\u5bb9&#xff0c;\u8bfb\u8005\u53ef\u4ee5\u5168\u9762\u4e86\u89e3 Ubuntu \u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684 Wayland \u663e\u793a\u670d\u52a1\u5668&#xff0c;\u638c\u63e1\u5176\u6838\u5fc3\u77e5\u8bc6\u548c\u5f00\u53d1\u6280\u80fd&#xff0c;\u5e76\u80fd\u591f\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u5e94\u7528 Wayland \u8fdb\u884c\u56fe\u5f62\u663e\u793a\u548c\u5f00\u53d1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb672\u6b21\uff0c\u70b9\u8d5e24\u6b21\uff0c\u6536\u85cf19\u6b21\u3002\u672c\u90e8\u5206\u7684\u76ee\u7684\u662f\u8ba9\u8bfb\u8005\u5168\u9762\u4e86\u89e3 Wayland \u663e\u793a\u670d\u52a1\u5668\u5728 Ubuntu \u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\u76f8\u5173\u4fe1\u606f\u3002\u8303\u56f4\u6db5\u76d6 Wayland \u7684\u57fa\u672c\u6982\u5ff5\u3001\u4e0e\u4f20\u7edf\u663e\u793a\u670d\u52a1\u5668\u7684\u5bf9\u6bd4\u3001\u5728 Ubuntu \u4e2d\u7684\u5e94\u7528\u573a\u666f\u3001\u5f00\u53d1\u5b9e\u8df5\u4ee5\u53ca\u672a\u6765\u53d1\u5c55\u8d8b\u52bf\u7b49\u65b9\u9762\u3002\u901a\u8fc7\u672c\u6587\uff0c\u8bfb\u8005\u5c06\u80fd\u591f\u638c\u63e1 Wayland 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