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GPU \u8fdb\u7a0b\uff0c\u4ee5\u6781\u9ad8\u7684\u901f\u5ea6\u5b8c\u6210\u5149\u6805\u5316\u3002<\/p>\n<p>GPU \u8fdb\u7a0b\u4f1a\u5f00\u542f\u591a\u4e2a\u7ebf\u7a0b\u6765\u5b8c\u6210\u5149\u6805\u5316\uff0c\u5e76\u4e14\u4f18\u5148\u5904\u7406\u9760\u8fd1\u89c6\u53e3\u533a\u57df\u7684\u5757\u3002<\/p>\n<p>\u5149\u6805\u5316\u7684\u7ed3\u679c\uff0c\u5c31\u662f\u4e00\u5757\u4e00\u5757\u7684\u4f4d\u56fe<\/p>\n<p>\u6700\u540e\u4e00\u4e2a\u9636\u6bb5\u5c31\u662f<strong>\u753b<\/strong>\u4e86<\/p>\n<p>\u5408\u6210\u7ebf\u7a0b\u62ff\u5230\u6bcf\u4e2a\u5c42\u3001\u6bcf\u4e2a\u5757\u7684\u4f4d\u56fe\u540e\uff0c\u751f\u6210\u4e00\u4e2a\u4e2a\u300c\u6307\u5f15\uff08quad\uff09\u300d\u4fe1\u606f\u3002<\/p>\n<p>\u6307\u5f15\u4f1a\u6807\u8bc6\u51fa\u6bcf\u4e2a\u4f4d\u56fe\u5e94\u8be5\u753b\u5230\u5c4f\u5e55\u7684\u54ea\u4e2a\u4f4d\u7f6e\uff0c\u4ee5\u53ca\u4f1a\u8003\u8651\u5230\u65cb\u8f6c\u3001\u7f29\u653e\u7b49\u53d8\u5f62\u3002<\/p>\n<p>\u53d8\u5f62\u53d1\u751f\u5728\u5408\u6210\u7ebf\u7a0b\uff0c\u4e0e\u6e32\u67d3\u4e3b\u7ebf\u7a0b\u65e0\u5173\uff0c\u8fd9\u5c31\u662f<code>transform<\/code>\u6548\u7387\u9ad8\u7684\u672c\u8d28\u539f\u56e0\u3002<\/p>\n<p>\u5408\u6210\u7ebf\u7a0b\u4f1a\u628a quad \u63d0\u4ea4\u7ed9 GPU \u8fdb\u7a0b\uff0c\u7531 GPU \u8fdb\u7a0b\u4ea7\u751f\u7cfb\u7edf\u8c03\u7528\uff0c\u63d0\u4ea4\u7ed9 GPU \u786c\u4ef6\uff0c\u5b8c\u6210\u6700\u7ec8\u7684\u5c4f\u5e55\u6210\u50cf\u3002<\/p>\n<hr \/>\n<h3>\u4ec0\u4e48\u662f reflow (\u91cd\u6392)\uff1f<\/h3>\n<p>\u7b54\uff1a<br \/>\nreflow \u7684\u672c\u8d28\u5c31\u662f\u91cd\u65b0\u8ba1\u7b97 layout \u6811\u3002<\/p>\n<p>\u5f53\u8fdb\u884c\u4e86\u4f1a\u5f71\u54cd\u5e03\u5c40\u6811\u7684\u64cd\u4f5c\u540e\uff0c\u9700\u8981\u91cd\u65b0\u8ba1\u7b97\u5e03\u5c40\u6811\uff0c\u4f1a\u5f15\u53d1 layout\u3002<\/p>\n<p>\u4e3a\u4e86\u907f\u514d\u8fde\u7eed\u7684\u591a\u6b21\u64cd\u4f5c\u5bfc\u81f4\u5e03\u5c40\u6811\u53cd\u590d\u8ba1\u7b97\uff0c\u6d4f\u89c8\u5668\u4f1a\u5408\u5e76\u8fd9\u4e9b\u64cd\u4f5c\uff0c\u5f53 JS \u4ee3\u7801\u5168\u90e8\u5b8c\u6210\u540e\u518d\u8fdb\u884c\u7edf\u4e00\u8ba1\u7b97\u3002\u6240\u4ee5\uff0c\u6539\u52a8\u5c5e\u6027\u9020\u6210\u7684 reflow \u662f\u5f02\u6b65\u5b8c\u6210\u7684\u3002<\/p>\n<p>\u4e5f\u540c\u6837\u56e0\u4e3a\u5982\u6b64\uff0c\u5f53 JS \u83b7\u53d6\u5e03\u5c40\u5c5e\u6027\u65f6\uff0c\u5c31\u53ef\u80fd\u9020\u6210\u65e0\u6cd5\u83b7\u53d6\u5230\u6700\u65b0\u7684\u5e03\u5c40\u4fe1\u606f\u3002<\/p>\n<p>\u6d4f\u89c8\u5668\u5728\u53cd\u590d\u6743\u8861\u4e0b\uff0c\u6700\u7ec8\u51b3\u5b9a\u83b7\u53d6\u5c5e\u6027\u7acb\u5373 reflow\u3002<\/p>\n<hr \/>\n<h3>\u4ec0\u4e48\u662f repaint (\u91cd\u7ed8)\uff1f<\/h3>\n<p>\u7b54\uff1a<br \/>\nrepaint \u7684\u672c\u8d28\u5c31\u662f\u91cd\u65b0\u6839\u636e\u5206\u5c42\u4fe1\u606f\u8ba1\u7b97\u4e86\u7ed8\u5236\u6307\u4ee4\u3002<\/p>\n<p>\u5f53\u6539\u52a8\u4e86\u53ef\u89c1\u6837\u5f0f\u540e\uff0c\u5c31\u9700\u8981\u91cd\u65b0\u8ba1\u7b97\uff0c\u4f1a\u5f15\u53d1 repaint\u3002<\/p>\n<p>\u7531\u4e8e\u5143\u7d20\u7684\u5e03\u5c40\u4fe1\u606f\u4e5f\u5c5e\u4e8e\u53ef\u89c1\u6837\u5f0f\uff0c\u6240\u4ee5 reflow \u4e00\u5b9a\u4f1a\u5f15\u8d77 repaint\u3002<\/p>\n<hr \/>\n<h3>\u4e3a\u4ec0\u4e48 transform \u7684\u6548\u7387\u9ad8\uff1f<\/h3>\n<p>\u7b54\uff1a<br \/>\n\u56e0\u4e3a transform \u65e2\u4e0d\u4f1a\u5f71\u54cd\u5e03\u5c40\u4e5f\u4e0d\u4f1a\u5f71\u54cd\u7ed8\u5236\u6307\u4ee4\uff0c\u5b83\u5f71\u54cd\u7684\u53ea\u662f\u6e32\u67d3\u6d41\u7a0b\u7684\u6700\u540e\u4e00\u4e2a\u300cdraw\u300d\u9636\u6bb5<\/p>\n<p>\u7531\u4e8e draw \u9636\u6bb5\u5728\u5408\u6210\u7ebf\u7a0b\u4e2d\uff0c\u6240\u4ee5 transform \u7684\u53d8\u5316\u51e0\u4e4e\u4e0d\u4f1a\u5f71\u54cd\u6e32\u67d3\u4e3b\u7ebf\u7a0b\u3002\u53cd\u4e4b\uff0c\u6e32\u67d3\u4e3b\u7ebf\u7a0b\u65e0\u8bba\u5982\u4f55\u5fd9\u788c\uff0c\u4e5f\u4e0d\u4f1a\u5f71\u54cd transform \u7684\u53d8\u5316\u3002<\/p>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>\u9610\u8ff0\u4e00\u4e0b JS \u7684\u4e8b\u4ef6\u5faa\u73af \u7b54\uff1a \u4e8b\u4ef6\u5faa\u73af\u53c8\u53eb\u505a\u6d88\u606f\u5faa\u73af\uff0c\u662f\u6d4f\u89c8\u5668\u6e32\u67d3\u4e3b\u7ebf\u7a0b\u7684\u5de5\u4f5c\u65b9\u5f0f\u3002 \u5728 Chrome \u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[19],"class_list":["post-139","post","type-post","status-publish","format-standard","hentry","category-5","tag-19"],"_links":{"self":[{"href":"https:\/\/boki.shifengzhi.top\/index.php?rest_route=\/wp\/v2\/posts\/139","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/boki.shifengzhi.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boki.shifengzhi.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boki.shifengzhi.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boki.shifengzhi.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=139"}],"version-history":[{"count":3,"href":"https:\/\/boki.shifengzhi.top\/index.php?rest_route=\/wp\/v2\/posts\/139\/revisions"}],"predecessor-version":[{"id":212,"href":"https:\/\/boki.shifengzhi.top\/index.php?rest_route=\/wp\/v2\/posts\/139\/revisions\/212"}],"wp:attachment":[{"href":"https:\/\/boki.shifengzhi.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=139"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boki.shifengzhi.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=139"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boki.shifengzhi.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=139"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}