{"id":1770,"date":"2022-10-07T13:18:51","date_gmt":"2022-10-07T04:18:51","guid":{"rendered":"http:\/\/batmask.dothome.co.kr\/?p=1770"},"modified":"2022-10-20T20:56:52","modified_gmt":"2022-10-20T11:56:52","slug":"godot-3d-rendering-2-rasterization","status":"publish","type":"post","link":"http:\/\/batmask.net\/index.php\/2022\/10\/07\/1770\/","title":{"rendered":"Godot 3D rendering #2 : Anti-aliasing"},"content":{"rendered":"\n

\uc9c0\uc2dd\uc774 \uc815\ud655\ud558\uc9c0 \uc54a\uc740 \uc0c1\ud0dc\uc5d0\uc11c \uc5b4\uc124\ud504\uac8c \uc815\ub9ac\ud588\ub358 \ub0b4\uc6a9\uc774\ub77c, \ub0b4\uc6a9\uc758 \uc8fc\ub97c \uc774\ub8e8\ub294 Anti-aliasing\uc73c\ub85c \uc81c\ubaa9\uc744 \ubc14\uafb8\uace0 SSAA\uc640 MSAA\uc758 \ucc28\uc774\uc810\uc744 \uba85\ud655\ud558\uac8c \ub2e4\uc2dc \uc815\ub9ac\ud588\ub2e4.<\/p><\/blockquote>\n\n\n\n

\uc800\ubc88 \ud3ec\uc2a4\ud305<\/a>\uc5d0\uc11c \uce74\uba54\ub77c\uc5d0 \ub300\ud574 \uc598\uae30\ud558\uba70 \ud504\ub85c\uc81d\uc158\uc5d0 \ub300\ud574 \ub2e4\ub918\uc5c8\ub2e4. 3D \uacf5\uac04\uc758 \uc624\ube0c\uc81d\ud2b8\ub97c 2D \ud654\uba74\uc73c\ub85c \ub9e4\ud551\ud558\ub294 \ub0b4\uc6a9\uc774\uc5c8\ub2e4. \uc218\ud559\uc801\uc73c\ub85c\ub294 \uc774\uac83\uc73c\ub85c \ucda9\ubd84\ud558\uaca0\uc9c0\ub9cc, \ubb3c\ub9ac\uc801\uc73c\ub85c \uc6b0\ub9ac\uc758 2D \uacf5\uac04\uc740 \ubaa8\ub2c8\ud130\uac00 \ub418\uace0, \ud53d\uc140\ub85c \uc774\ub8e8\uc5b4\uc9c4 \uc81c\ud55c\ub41c \ud574\uc0c1\ub3c4\ub97c \uac16\uac8c \ub41c\ub2e4. Rasterization\uc740 \uc774 \uc81c\ud55c\ub41c \ud574\uc0c1\ub3c4\uc758 \ud53d\uc140\uacf5\uac04\uc5d0 \uadf8\ub9ac\ub294 \uacfc\uc815\uc744 \ub9d0\ud55c\ub2e4. <\/p>\n\n\n

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https:\/\/www.scratchapixel.com\/lessons\/3d-basic-rendering\/rasterization-practical-implementation\/rasterization-stage<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n

\uc704\uc758 \uc608\uc81c \uadf8\ub9bc\uc744 \ubcf4\uba74, \uac01 \ud53d\uc140\uc774 \ub3c4\ud615\ub0b4\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0 \uc218\ud559\uc801 \uacc4\uc0b0\uc744 \ud1b5\ud574 \ud310\ub2e8\uc744 \ud558\uac8c \ub418\uace0, \ub3c4\ud615 \ub0b4\ubd80\ub77c\uace0 \uc0dd\uac01\ub418\uba74 \ud574\ub2f9 \ud53d\uc140\uc5d0 \uce7c\ub77c\uac00 \ud45c\ud604\ub41c\ub2e4. \uc218\ud559\uc801 \uacc4\uc0b0\uacfc\uc815\uc740 scratchpixel \uc0ac\uc774\ud2b8<\/a>\ub97c \ucc38\uace0\ud558\uc790. <\/p>\n\n\n\n

\ubb38\uc81c\ub294 \uc704 \uadf8\ub9bc\uc5d0\uc11c \ubcfc \uc218 \uc788\ub4ef\uc774, \ud53d\uc140\uc774 \ube14\ub7ed\ud654\ub418\uc5b4 \uc788\uc5b4\uc11c \uc815\ud655\ud55c \ub3c4\ud615\ud45c\ud604\uc774 \uc5b4\ub835\ub2e4\ub294 \uc810\uc5d0 \uc788\ub2e4. \ucef4\ud4e8\ud130 \uadf8\ub798\ud53d\uc740 \ud604\uc2e4\uc138\uacc4\uc640 \ub2e4\ub974\uac8c \uc81c\uc57d\uc774 \ub9ce\uae30 \ub54c\ubb38\uc5d0 \uc0ac\ub78c\uc758 \ub208\uc744 \uc18d\uc5ec \uadf8\ub7f4\uc2f8\ud558\uac8c \ubcf4\uc774\ub3c4\ub85d\ud558\ub294 \uae30\ubc95\ub4e4\uc774 \ubc1c\ub2ec\ud574 \uc654\ub2e4. \uc5ec\uae30\uc11c \ube14\ub7ed\ud654\ub41c \uadf8\ub798\ud53d\uc744 \ubcf4\ub2e4 \uc790\uc5f0\uc2a4\ub7ec\uc6b4 \ub3c4\ud615\ucc98\ub7fc \ubcf4\uc5ec\uc8fc\ub294 \ubc29\ubc95\uc740 anti-aliasing\uc774\ub780 \uae30\ubc95\uc774 \uc0ac\uc6a9\ub41c\ub2e4. <\/p>\n\n\n\n

\uba3c\uc800, anti-aliasing\uc5c6\uc774 \ud45c\ud604\ub41c \uadf8\ub798\ud53d\uc744 \ubcf4\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\ub2e8\ud604\uc0c1\uc774 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n\n\n

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https:\/\/learnopengl.com\/Advanced-OpenGL\/Anti-Aliasing<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n

\uc774\uac83\uc744 aliasing\uc774\ub77c\uace0 \ud55c\ub2e4. anti-aliasing\uc744 \ub9d0 \uadf8\ub300\ub85c \uc774\uac83\uc744 \uc5c6\uc560\ub294 \ubc29\ubc95\uc774\ub2e4. \uc5ec\uae30\uc5d0 \uc5ec\ub7ec \uc54c\uace0\ub9ac\uc998\uc774 \uc874\uc7ac\ud55c\ub2e4.<\/p>\n\n\n\n

SSAA(Super-Sample Anti-Aliasing)<\/h3>\n\n\n\n

\uc288\ud37c\uc0d8\ud50c \ubc29\uc2dd\uc740 \ud654\uba74\ud06c\uae30\ubcf4\ub2e4 \ud06c\uac8c Rasterizaion\uc744 \ud55c \ud6c4, \uc2a4\ud06c\ub9b0 \ud574\uc0c1\ub3c4\ub85c \ub9ac\uc0ac\uc774\uc988 \ud558\ub294 \ubc29\uc2dd\uc774\ub2e4. 1920X1080 \uc2a4\ud06c\ub9b0\uc774\ub77c\uba74, 3840 x 2160\uc73c\ub85c \ub80c\ub354\ub9c1 \ud558\uace0 \uc774\uac78 \ub9ac\uc0ac\uc774\uc988 \ud558\ub294 \uc2dd\uc774\ub2e4. \uc774 \uacbd\uc6b0, \uc2a4\ud06c\ub9b0\ubcf4\ub2e4 4\ubc30 \ud06c\uae30\uc758 \ud53d\uc140\uc744 \uac16\uac8c \ub418\ubbc0\ub85c, \uc0ac\uc774\uc988\ub97c \uc904\uc774\uba70 4\uac1c \ud53d\uc140\uac12\uc758 \uc911\uac04\uac12\uc744 \uacc4\uc0b0\ud558\uc5ec \ud53d\uc140\uc744 \ud45c\ud604\ud55c\ub2e4. <\/p>\n\n\n\n

MSAA(Multi-Sample Anti-Aliasing)<\/h3>\n\n\n\n

\uac00\uc7a5 \uae30\ubcf8\uc801\uc778\uac8c \uba40\ud2f0 \uc0d8\ud50c\ub9c1(MSAA)\uae30\ubc95\uc774\ub2e4. \uc704\uc758 Raterizaion \uc791\uc5c5\uc2dc, \ud53d\uc140\uc774 \ub3c4\ud615\ub0b4\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0 \uac80\uc0ac\ud560 \ub54c, \ud53d\uc140 \uc911\uc559\uac12\uc744 \uc774\uc6a9\ud574 \ud14c\uc2a4\ud2b8\ub97c \ud558\uac8c \ub41c\ub2e4. \uba40\ud2f0 \uc0d8\ud50c\ub9c1\uc740 \uc774 \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\ub97c \uc5ec\ub7ec\uac1c\ub85c \ub298\ub9ac\uace0, \uac01 \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\uc758 \uce7c\ub77c\ub97c \uc11e\uc5b4 \ud53d\uc140\uc744 \ud45c\ud604\ud55c\ub2e4. <\/p>\n\n\n

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https:\/\/learnopengl.com\/Advanced-OpenGL\/Anti-Aliasing<\/a><\/figcaption><\/figure>\n<\/div>\n\n
\n
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https:\/\/learnopengl.com\/Advanced-OpenGL\/Anti-Aliasing<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n

\ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\uc758 \uac1c\uc218\uac00 \ub9ce\uc744\uc218\ub85d \ub354 \ubd80\ub4dc\ub7ec\uc6b4 \ubaa8\uc2b5\uc744 \ubcf4\uc5ec\uc8fc\ub294\ub370, \ub300\uc2e0 \uadf8\ub9cc\ud07c \uacc4\uc0b0\ub7c9\uc774 \ub298\uc5b4\ub098\uac8c \ub41c\ub2e4.<\/p>\n\n\n

\n
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https:\/\/mynameismjp.wordpress.com\/2012\/10\/24\/msaa-overview\/<\/a><\/figcaption><\/figure>\n<\/div>\n\n\n

\uc0ac\uc2e4, \uc5ec\uae30\uae4c\uc9c0\uc758 \uc124\uba85\uc740 SSAA\ub791 \ub3d9\uc77c\ud558\ub2e4. \ucc28\uc774\uc810\uc758 \ud575\uc2ec\uc740 SSAA\uac00 \uc804\uccb4 \ud654\uba74\uc5d0 \ub300\ud574 \uacc4\uc0b0\ud55c\ub2e4\uace0 \ud558\uba74, MSAA\ub294 \uc5e3\uc9c0, \uacbd\uacc4 \ubd80\ubd84\uc5d0 \ub300\ud574\uc11c\ub9cc \uba40\ud2f0 \uc0d8\ud50c\ub9c1\uc744 \uc218\ud589\ud55c\ub2e4. \uc774\ub294 \uba40\ud2f0 \uc0d8\ud50c\uc5d0 \ub300\ud574 depth buffer\ub97c \uc774\uc6a9\ud55c \uacc4\uc0b0\uae4c\uc9c0\ub294 SSAA\ucc98\ub7fc \ub3d9\uc77c\ud558\uac8c \ub3d9\uc791\ud558\ub098, depth buffer\ub97c \ud1b5\ud574 \uacbd\uacc4\uc778\uc9c0 \uc544\ub2cc\uc9c0 \uc5ec\ubd80\uac00 \ud310\ubcc4\ub418\uace0, \uacbd\uacc4\uac00 \uc544\ub2c8\ub77c\uba74 \uba40\ud2f0 \uc0d8\ud50c\uc774 \uc544\ub2cc \ud558\ub098\uc758 \uc0d8\ud50c\uc5d0 \ub300\ud574 \uc250\uc774\ub354\uac00 \ub3cc\uc544\uac04\ub2e4. \uc774\ub97c \ud1b5\ud574 \uacc4\uc0b0\ub7c9\uc774 \ud68d\uae30\uc801\uc73c\ub85c \uc904\uc5b4\ub4e4\uac8c \ub41c\ub2e4.<\/p>\n\n\n\n

FXAA(Fast Aproximate Anti-Aliasing)<\/h3>\n\n\n\n

FXAA\ub294 MSAA\ubcf4\ub2e4 \ub354 \ube60\ub978 \uc131\ub2a5\uc744 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \uae30\ubc95\uc774\ub2e4. MSAA\uc758 \uacbd\uc6b0, 3D\ub97c 2D\ub85c \ud504\ub85c\uc81d\uc158\ud558\ub294 \uacfc\uc815\uc5d0\uc11c \ud14c\uc2a4\ud2b8 \ud3ec\uc778\ud2b8\ub97c \ub298\ub824 \uac01\uac01 3D \uacc4\uc0b0\uc744 \ud574\uc918\uc57c\ud558\ub294 \ubc18\uba74, FXAA\ub294 \uc77c\ub2e8 \uadf8\ub0e5 \uadf8\ub9ac\uace0 \uadf8\ub824\uc9c4 2D \uc774\ubbf8\uc9c0\ub97c \ud3ec\ud1a0\uc0fe\uc5d0\uc11c \ud558\ub4ef anti-aliasing\ud558\ub294 \uae30\ubc95\uc774\ub2e4. <\/p>\n\n\n\n

\uacc4\uc0b0\uc774 \ud6e8\uc52c \ube60\ub974\uc9c0\ub9cc, 2D \uc774\ubbf8\uc9c0\uc758 anti-aliasing\uae30\ubc95\uc740 \uc8fc\ubcc0 \ud53d\uc140\ub4e4\uc758 \uac12\uc744 \uc774\uc6a9\ud574 \uc911\uac04\uac12\uc744 \uacc4\uc0b0\ud558\uc5ec \ud574\ub2f9 \ud53d\uc140\uce7c\ub77c\uac00 \uacc4\uc0b0\ub418\ubbc0\ub85c, \uacbd\uacc4\ub9cc anti-aliasing\ub418\uc9c0 \uc54a\uace0 \uc774\ubbf8\uc9c0 \uc804\uccb4\uac00 \ubb49\uac8c\uc9c0\ub294 \ud6a8\uacfc\uac00 \uc788\ub2e4. <\/p>\n\n\n\n

Etc.<\/h3>\n\n\n\n

\uc774 \uc678\uc5d0\ub3c4 NVIDIA\uc5d0\uc11c MSAA\ub97c \ubc1c\uc804\uc2dc\ucf1c \uc9c0\uc6d0\ud558\ub294 CSAA\ub098, \uc6c0\uc9c1\uc784\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 aliasing\uc744 \uc81c\uac70\ud558\uae30 \uc704\ud55c \uc2dc\uac04\ucd95\uc744 \uc774\uc6a9\ud55c TAA<\/a> \uae30\ubc95\ub4f1\uc774 \uc788\ub2e4. TAA\uc758 \uacbd\uc6b0, \uc774\uc804 \ud504\ub808\uc784\uc744 \uc774\uc6a9\ud574 \uacc4\uc0b0\uc5d0 \uc0ac\uc6a9\ud55c\ub2e4. \ubcf5\uc7a1\ud558\uace0 \uba38\ub9ac\uc544\ud504\uace0 \uc5b4\ub835\uc9c0\ub9cc, MSAA\ub9cc \uc774\ud574\ud558\uba74 \ucda9\ubd84\ud558\uc9c0 \uc54a\uc744\uae4c?<\/p>\n\n\n\n

Anti-Aliasing in Godot<\/h3>\n\n\n\n

Godot\uc5d0\uc11c\ub294 Project>Project settings>Rendering>Quality \uc5d0\uc11c \uad00\ub828 \uc124\uc815\uc744 \ucc3e\uc544\ubcfc \uc218 \uc788\ub2e4. <\/p>\n\n\n

\n
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Godot Project Settings<\/figcaption><\/figure>\n<\/div>\n\n\n

Godot\uc774 GLES\ub97c \uc0ac\uc6a9\ud558\ubbc0\ub85c, OpenGL\uc774 \uc9c0\uc6d0\ud558\ub294 MSAA\uac00 \uc0ac\uc6a9\uac00\ub2a5\ud558\ub2e4\ub294\uac78 \uc54c \uc218 \uc788\uc73c\uba70 FXAA\ub97c \uc9c0\uc6d0\ud558\ub294 \uac83\uc744 \ubcfc \uc218 \uc788\ub2e4.<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\uc9c0\uc2dd\uc774 \uc815\ud655\ud558\uc9c0 \uc54a\uc740 \uc0c1\ud0dc\uc5d0\uc11c \uc5b4\uc124\ud504\uac8c \uc815\ub9ac\ud588\ub358 \ub0b4\uc6a9\uc774\ub77c, \ub0b4\uc6a9\uc758 \uc8fc\ub97c \uc774\ub8e8\ub294 Anti-aliasing\uc73c\ub85c \uc81c\ubaa9\uc744 \ubc14\uafb8\uace0 SSAA\uc640 MSAA\uc758 \ucc28\uc774\uc810\uc744 \uba85\ud655\ud558\uac8c \ub2e4\uc2dc \uc815\ub9ac\ud588\ub2e4. \uc800\ubc88 \ud3ec\uc2a4\ud305\uc5d0\uc11c \uce74\uba54\ub77c\uc5d0 \ub300\ud574 \uc598\uae30\ud558\uba70 \ud504\ub85c\uc81d\uc158\uc5d0 \ub300\ud574 \ub2e4\ub918\uc5c8\ub2e4. 3D \uacf5\uac04\uc758 \uc624\ube0c\uc81d\ud2b8\ub97c 2D \ud654\uba74\uc73c\ub85c \ub9e4\ud551\ud558\ub294 \ub0b4\uc6a9\uc774\uc5c8\ub2e4. \uc218\ud559\uc801\uc73c\ub85c\ub294 \uc774\uac83\uc73c\ub85c \ucda9\ubd84\ud558\uaca0\uc9c0\ub9cc, \ubb3c\ub9ac\uc801\uc73c\ub85c \uc6b0\ub9ac\uc758 2D \uacf5\uac04\uc740 \ubaa8\ub2c8\ud130\uac00 \ub418\uace0, \ud53d\uc140\ub85c \uc774\ub8e8\uc5b4\uc9c4 \uc81c\ud55c\ub41c \ud574\uc0c1\ub3c4\ub97c \uac16\uac8c \ub41c\ub2e4. Rasterization\uc740 \ub354 \uc77d\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[270,3],"tags":[284,298,299,300,297,291,301],"class_list":["post-1770","post","type-post","status-publish","format-standard","hentry","category-godot","category-etc","tag-3d","tag-anti-aliasing","tag-fxaa","tag-msaa","tag-rasterization","tag-rendering","tag-ssaa"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/posts\/1770","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/comments?post=1770"}],"version-history":[{"count":4,"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/posts\/1770\/revisions"}],"predecessor-version":[{"id":1800,"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/posts\/1770\/revisions\/1800"}],"wp:attachment":[{"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/media?parent=1770"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/categories?post=1770"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/batmask.net\/index.php\/wp-json\/wp\/v2\/tags?post=1770"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}