{"id":71,"date":"2011-11-14T15:30:10","date_gmt":"2011-11-14T07:30:10","guid":{"rendered":"http:\/\/www.xiaomingjia.com\/?p=71"},"modified":"2012-03-08T22:33:27","modified_gmt":"2012-03-08T14:33:27","slug":"%e4%bb%8a%e5%a4%a9%ef%bc%8c%e4%bd%a0%e8%a2%ab%e7%bc%96%e8%af%91%e5%99%a8%e8%80%8d%e4%ba%86%e4%b9%88%ef%bc%9f","status":"publish","type":"post","link":"http:\/\/xiaomingjia.com\/?p=71","title":{"rendered":"\u4eca\u5929\uff0c\u4f60\u88ab\u7f16\u8bd1\u5668\u800d\u4e86\u4e48\uff1f"},"content":{"rendered":"<p>\u4f60\u4ee5\u4e3a\u4f60\u5f88\u4f1a\u800d\u5c0f\u806a\u660e\uff0c\u4f60\u4ee5\u4e3a\u4f60\u7684\u4ee3\u7801\u80fd\u4f18\u5316\u6027\u80fd\uff0c\u4e8b\u5b9e\u771f\u7684\u5982\u6b64\u4e48\uff1f\u7b54\uff1aYou\u2019re Fucked!<br \/>\n\u8bf7\u770b\u5982\u4e0bHLSL\u4ee3\u7801\uff1a<\/p>\n<div>\n<li>for(int\u00a0x=-1;\u00a0x&lt;=1;\u00a0x+=2)\u00a0\u00a0<\/li>\n<li>for(int\u00a0y=-1;\u00a0y&lt;=1;\u00a0y+=2)\u00a0\u00a0<\/li>\n<li>for(int\u00a0z=-1;\u00a0z&lt;=1;\u00a0z+=2)\u00a0\u00a0<\/li>\n<li>{\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0float3\u00a0vOffset\u00a0=\u00a0normalize(float3(x,\u00a0y,\u00a0z))*offsetScale;\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0.\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0.\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0.\u00a0\u00a0<\/li>\n<li>}\u00a0\u00a0<\/li>\n<\/div>\n<p>\u00a0<br \/>\n\u770b\u5230\u8fd9\u91cc\uff0c\u4f60\u6709\u6ca1\u6709\u60f3\u8fc7\u53ef\u80fd\u7684\u4f18\u5316\u5462\uff0c\u4e00\u4e2aif\u8bed\u53e52\u4e2aGPU\u65f6\u949f\uff0c\u5f88\u591a\u4eba\u90fd\u4e0d\u633a\u5730\u544a\u8beb\u4f60\uff0c\u614e\u7528\u5206\u652f\u8bed\u53e5\u3002\u4e8e\u662f\uff0c\u4f60\u5199\u4e0b\u4e86\u4e0b\u9762\u7684\u4ee3\u7801\uff1a<\/p>\n<div>\n<li>#define\u00a0NUM_OFFSET_VECTORS\u00a027\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0const\u00a0float3\u00a0OFFSET_VECTOR[NUM_OFFSET_VECTORS]\u00a0=\u00a0{\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(-1,-1,-1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(-1,-1,1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(-1,-1,3),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(-1,1,-1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(-1,1,1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(-1,1,3),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(-1,3,-1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(-1,3,1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(-1,3,3),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(1,-1,-1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(1,-1,1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(1,-1,3),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(1,1,-1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(1,1,1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(1,1,3),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(1,3,-1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(1,3,1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(1,3,3),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(3,-1,-1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(3,-1,1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(3,-1,3),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(3,1,-1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(3,1,1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(3,1,3),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(3,3,-1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(3,3,1),\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0float3(3,3,3)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0};\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0<\/li>\n<li>for(int\u00a0j=0;\u00a0j&lt;NUM_OFFSET_VECTORS;\u00a0j++)\u00a0\u00a0<\/li>\n<li>{\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0float3\u00a0vOffset\u00a0=\u00a0normalize(OFFSET_VECTOR[j])*offsetScale;\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0.\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0.\u00a0\u00a0<\/li>\n<li>\u00a0\u00a0\u00a0\u00a0.\u00a0\u00a0<\/li>\n<li>}\u00a0\u00a0<\/li>\n<\/div>\n<p>\u00a0<br \/>\n\u00a0\u6211\u53ea\u7528\u4e86224\u4e2a\u5e38\u91cf\u5bc4\u5b58\u5668\u4e2d\u768427\u4e2a\uff0c\u5c31\u51cf\u5c11\u4e862\u5c42\u5206\u652f\uff0c\u8fd9\u4e0b\u5e27\u901f\u5e94\u8be5\u4e0a\u53bb\u4e86\u5427\uff0c\u4e3a\u4ec0\u4e48\u5e27\u901f\u53cd\u800c\u4e0b\u964d\u4e86\u5462\uff1f<br \/>\n\u56e0\u4e3a\u4f60\u4e2b\u88ab\u7f16\u8bd1\u5668\u9a97\u4e86\uff01<\/p>\n<p><a href=\"http:\/\/www.xiaomingjia.com\/wp-content\/uploads\/2011\/11\/10.jpg\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-114\" title=\"10\" src=\"http:\/\/www.xiaomingjia.com\/wp-content\/uploads\/2011\/11\/10.jpg\" alt=\"\" width=\"560\" height=\"163\" srcset=\"http:\/\/xiaomingjia.com\/wp-content\/uploads\/2011\/11\/10.jpg 560w, http:\/\/xiaomingjia.com\/wp-content\/uploads\/2011\/11\/10-300x87.jpg 300w\" sizes=\"(max-width: 560px) 100vw, 560px\" \/><\/a><\/p>\n<p>\u201c\u4f18\u5316\u201d\u540e\u7684\u4ee3\u7801<br \/>\n<a href=\"http:\/\/www.xiaomingjia.com\/wp-content\/uploads\/2011\/11\/11.jpg\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-115\" title=\"11\" src=\"http:\/\/www.xiaomingjia.com\/wp-content\/uploads\/2011\/11\/11.jpg\" alt=\"\" width=\"467\" height=\"134\" srcset=\"http:\/\/xiaomingjia.com\/wp-content\/uploads\/2011\/11\/11.jpg 467w, http:\/\/xiaomingjia.com\/wp-content\/uploads\/2011\/11\/11-300x86.jpg 300w\" sizes=\"(max-width: 467px) 100vw, 467px\" \/><\/a><\/p>\n<p>\u201c\u4f18\u5316\u201d\u524d\u7684\u4ee3\u7801<br \/>\n\u7f16\u8bd1\u5668\u628a\u4f60\u201c\u4f18\u5316\u201d\u540e\u7684\u4ee3\u7801\u76f4\u63a5\u5c55\u5f00\u4e86\uff0c\u5c31\u662f\u5b83\u786e\u5b9e\u6ca1\u6709\u505a\u6761\u4ef6\u5206\u652f\uff0c\u800c\u662f\u91cd\u590d\u4e8627\u8fb9\u76f8\u540c\u7684GPU\u6307\u4ee4\uff01\uff01\uff01<br \/>\n\u201c\u4f18\u5316\u201d\u524d\u5b83\u5e2e\u4f60\u7f16\u8bd1\u51fa95\u6761\u6307\u4ee4\uff0c\u4f18\u5316\u540e\u5b83\u5e2e\u4f60\u7f16\u51fa\u4e86466\u6761\u6307\u4ee4\uff01\uff01\uff01<br \/>\nCompiler likes a box of chocolate, you never know what you will get!<\/p>\n<p><a href=\"http:\/\/blog.csdn.net\/itlmy\/article\/details\/6968881\">http:\/\/blog.csdn.net\/itlmy\/article\/details\/6968881<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u4ee5\u4e3a\u4f60\u5f88\u4f1a\u800d\u5c0f\u806a\u660e\uff0c\u4f60\u4ee5\u4e3a\u4f60\u7684\u4ee3\u7801\u80fd\u4f18\u5316\u6027\u80fd\uff0c\u4e8b\u5b9e\u771f\u7684\u5982\u6b64\u4e48\uff1f\u7b54\uff1aYou\u2019re Fucked! \u8bf7\u770b\u5982\u4e0bHL [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=\/wp\/v2\/posts\/71"}],"collection":[{"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=71"}],"version-history":[{"count":6,"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=\/wp\/v2\/posts\/71\/revisions"}],"predecessor-version":[{"id":117,"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=\/wp\/v2\/posts\/71\/revisions\/117"}],"wp:attachment":[{"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=71"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=71"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xiaomingjia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=71"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}