{"id":4726,"date":"2019-07-08T12:09:22","date_gmt":"2019-07-08T10:09:22","guid":{"rendered":"https:\/\/www.notebook.hu\/blog\/?p=4726"},"modified":"2019-07-08T12:09:28","modified_gmt":"2019-07-08T10:09:28","slug":"ray-tracing-technologia-gyorstalpalo","status":"publish","type":"post","link":"https:\/\/www.notebook.hu\/blog\/ray-tracing-technologia-gyorstalpalo\/","title":{"rendered":"RAY-TRACING TECHNOL\u00d3GIA | Gyorstalpal\u00f3"},"content":{"rendered":"\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"900\" data-attachment-id=\"4727\" data-permalink=\"https:\/\/www.notebook.hu\/blog\/ray-tracing-technologia-gyorstalpalo\/jacobnorris-sol_ue4_final-05_0\/\" data-orig-file=\"https:\/\/www.notebook.hu\/blog\/wp-content\/uploads\/2019\/07\/JacobNorris-Sol_UE4_Final-05_0.jpg\" data-orig-size=\"1600,900\" data-comments-opened=\"0\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"JacobNorris-Sol_UE4_Final-05_0\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/www.notebook.hu\/blog\/wp-content\/uploads\/2019\/07\/JacobNorris-Sol_UE4_Final-05_0-300x169.jpg\" data-large-file=\"https:\/\/www.notebook.hu\/blog\/wp-content\/uploads\/2019\/07\/JacobNorris-Sol_UE4_Final-05_0-1024x576.jpg\" src=\"https:\/\/i1.wp.com\/www.notebook.hu\/blog\/wp-content\/uploads\/2019\/07\/JacobNorris-Sol_UE4_Final-05_0.jpg?fit=618%2C348&amp;ssl=1\" alt=\"\" class=\"wp-image-4727\" srcset=\"https:\/\/www.notebook.hu\/blog\/wp-content\/uploads\/2019\/07\/JacobNorris-Sol_UE4_Final-05_0.jpg 1600w, https:\/\/www.notebook.hu\/blog\/wp-content\/uploads\/2019\/07\/JacobNorris-Sol_UE4_Final-05_0-300x169.jpg 300w, https:\/\/www.notebook.hu\/blog\/wp-content\/uploads\/2019\/07\/JacobNorris-Sol_UE4_Final-05_0-768x432.jpg 768w, https:\/\/www.notebook.hu\/blog\/wp-content\/uploads\/2019\/07\/JacobNorris-Sol_UE4_Final-05_0-1024x576.jpg 1024w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/figure>\n\n\n\n<p><strong>A 2018-as Gamescom el\u0151zetes rendezv\u00e9ny\u00e9n az NVIDIA bejelentette RTX videok\u00e1rtya-sorozat\u00e1t, benne a GeForce RTX 2070, a GeForce RTX 2080 \u00e9s a GeForce RTX 2080 Ti-t, amik &#8211; hamarosan megjelen\u0151 teszt\u00fcnkben is l\u00e1tni fogj\u00e1tok &#8211; er\u0151s GPU-knak \u00edg\u00e9rkeztek. A gener\u00e1ci\u00f3 egyik legfontosabb h\u00edv\u00f3szava &#8211; a csilli-milli\u00f3 sz\u00e1zal\u00e9kos teljes\u00edtm\u00e9ny javul\u00e1s mellett &#8211; pedig a ray-tracing technol\u00f3gia volt.&nbsp;<\/strong><br><\/p>\n\n\n\n<p>A Turing architekt\u00far\u00e1ra \u00e9p\u00fcl\u0151 20-as sz\u00e9ria a g\u00e9pi tanul\u00e1snak \u00e9s az \u00fagynevezett sug\u00e1rk\u00f6vet\u00e9snek (ray tracking) k\u00f6sz\u00f6nheti n\u00e9pszer\u0171s\u00e9g\u00e9t. A g\u00e9pi tanul\u00e1snak h\u00e1la, egy \u00faj gener\u00e1ci\u00f3s \u00e9lsim\u00edt\u00e1si m\u00f3dszert fejlesztettek ki, m\u00edg a sug\u00e1rk\u00f6vet\u00e9ssel (ray-tracking) k\u00f6nnyebb\u00e9 v\u00e1lt az \u00e9leth\u0171bb f\u00e9nyhat\u00e1s \u00e9s megvil\u00e1g\u00edt\u00e1s kivitelez\u00e9se, fejlettebb t\u00fckr\u00f6z\u0151d\u00e9st \u00e9s \u00e1rny\u00e9kvet\u00e9st hozhattak l\u00e9tre. Mivel egyre t\u00f6bb j\u00e1t\u00e9k rekl\u00e1mj\u00e1ban ker\u00fclt el\u0151 ennek a fogalma, ez\u00e9rt \u00fagy gondoltuk, hogy egy gyorstalpal\u00f3 form\u00e1j\u00e1ban megvizsg\u00e1ljuk, hogy mi is az a ray-tracing?&nbsp;<\/p>\n\n\n\n<p>Ez egy, a filmvil\u00e1gban m\u00e1r bev\u00e1lt technol\u00f3gia, melyet most igyekeznek meghonos\u00edtani a videoj\u00e1t\u00e9kos szf\u00e9r\u00e1ban. L\u00e9nyege, hogy \u00e9letszer\u0171en modellezi le a f\u00e9ny visszaver\u0151d\u00e9s\u00e9t, a k\u00fcl\u00f6nb\u00f6z\u0151 sugarak min\u0151s\u00e9ge ugyanis att\u00f3l f\u00fcgg, hogy milyen anyag\u00fa \u00e9s fekv\u00e9s\u0171 fel\u00fcletr\u0151l jutnak el a n\u00e9z\u0151 szem\u00e9t helyettes\u00edt\u0151, k\u00e9pzeletbeli pontba. A technol\u00f3gia k\u00f6veti a f\u00e9ny \u00fatj\u00e1t a forr\u00e1st\u00f3l \u00e9s kisz\u00e1molja, milyen \u00fctk\u00f6z\u00e9sekkel, vesztes\u00e9gekkel, az &#8222;eltal\u00e1lt&#8221; fel\u00fcletek \u00e1ltali \u00e1talakul\u00e1sokkal jut v\u00e9g\u00fcl a szem\u00fcnkbe az a f\u00e9nyinform\u00e1ci\u00f3, ami eredetileg val\u00f3ban egy vagy n\u00e9h\u00e1ny f\u00e9nyforr\u00e1sb\u00f3l indult, de a 3D objektumok sokas\u00e1g\u00e1val tal\u00e1lkozva milli\u00f3f\u00e9lek\u00e9ppen sz\u00f3r\u00f3dik, v\u00e1ltozik, t\u00fckr\u00f6z\u0151dik, elsz\u00ednez\u0151dik. Az \u00faj videok\u00e1rty\u00e1kat \u00fagy alkott\u00e1k meg, hogy t\u00e1mogass\u00e1k a ray-tracing val\u00f3s idej\u0171 lek\u00e9pez\u00e9s\u00e9t, ami eddig csak az el\u0151re renderelt anyagok form\u00e1j\u00e1ban volt el\u00e9rhet\u0151. Mi\u00e9rt? A kor\u00e1bbi vide\u00f3k\u00e1rty\u00e1k sz\u00e1m\u00e1ra t\u00fals\u00e1gosan megterhel\u0151 lett volna ennek az effektusnak a val\u00f3s idej\u0171 kisz\u00e1m\u00edt\u00e1sa &#8211; m\u00edg a filmek eset\u00e9ben ezek az effektusok a vide\u00f3anyag ment\u00e9se sor\u00e1n m\u00e1r annak r\u00e9sz\u00e9t k\u00e9pezik, nem pedig a lej\u00e1tsz\u00e1sn\u00e1l kell az aktu\u00e1lis lej\u00e1tsz\u00f3nak \u201chozz\u00e1adnia\u201d.&nbsp;<br><\/p>\n\n\n\n<p>Egy 2019 \u00e1prilisi driver-friss\u00edt\u00e9sben az Nvidia, a GTX 1060-as kiad\u00e1sig, visszamen\u0151leg el\u00e9rhet\u0151v\u00e9 tette ezt a funkci\u00f3t, igy aki ilyen videovez\u00e9rl\u0151vel rendelkezik, az m\u00e1r ismerkedhet az RT-adta lehet\u0151s\u00e9gekkel. Arr\u00f3l pedig, hogy milyen hat\u00e1ssal van az RTX k\u00e1rty\u00e1kban l\u00e9v\u0151 RT-effektus a j\u00e1t\u00e9kokra, j\u00f6jj\u00f6n p\u00e1r \u00f6sszehasonl\u00edt\u00f3 anyag:<\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Metro Exodus: GeForce RTX Real-Time Ray Traced Global Illumination Demo\" width=\"618\" height=\"348\" src=\"https:\/\/www.youtube.com\/embed\/Ms7d-3Dprio?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Control: GeForce RTX Real-Time Ray Tracing Demo - GDC 2019\" width=\"618\" height=\"348\" src=\"https:\/\/www.youtube.com\/embed\/Kic-QDmS_Yw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>A 2018-as Gamescom el\u0151zetes rendezv\u00e9ny\u00e9n az NVIDIA bejelentette RTX videok\u00e1rtya-sorozat\u00e1t, benne a GeForce RTX 2070, a GeForce RTX 2080 \u00e9s a GeForce RTX 2080 Ti-t, amik &#8211; hamarosan megjelen\u0151 teszt\u00fcnkben is l\u00e1tni fogj\u00e1tok &#8211; er\u0151s GPU-knak \u00edg\u00e9rkeztek. A gener\u00e1ci\u00f3 egyik legfontosabb h\u00edv\u00f3szava &#8211; a csilli-milli\u00f3 sz\u00e1zal\u00e9kos teljes\u00edtm\u00e9ny javul\u00e1s mellett &#8211; pedig a ray-tracing technol\u00f3gia volt.&nbsp; &hellip;<\/p>\n","protected":false},"author":1,"featured_media":4727,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[42,211],"tags":[817,706,830],"class_list":["post-4726","post","type-post","status-publish","format-standard","has-post-thumbnail","","category-cikkek","category-tudomany","tag-gyorstalpalo","tag-nvidia","tag-ray-tracing"],"jetpack_featured_media_url":"https:\/\/www.notebook.hu\/blog\/wp-content\/uploads\/2019\/07\/JacobNorris-Sol_UE4_Final-05_0.jpg","jetpack_shortlink":"https:\/\/wp.me\/p9xSLL-1ee","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.notebook.hu\/blog\/wp-json\/wp\/v2\/posts\/4726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.notebook.hu\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.notebook.hu\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.notebook.hu\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.notebook.hu\/blog\/wp-json\/wp\/v2\/comments?post=4726"}],"version-history":[{"count":2,"href":"https:\/\/www.notebook.hu\/blog\/wp-json\/wp\/v2\/posts\/4726\/revisions"}],"predecessor-version":[{"id":4739,"href":"https:\/\/www.notebook.hu\/blog\/wp-json\/wp\/v2\/posts\/4726\/revisions\/4739"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.notebook.hu\/blog\/wp-json\/wp\/v2\/media\/4727"}],"wp:attachment":[{"href":"https:\/\/www.notebook.hu\/blog\/wp-json\/wp\/v2\/media?parent=4726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.notebook.hu\/blog\/wp-json\/wp\/v2\/categories?post=4726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.notebook.hu\/blog\/wp-json\/wp\/v2\/tags?post=4726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}