FXAA - abin da yake da shi? A smoothing Hanyar. smoothing wasanni

An yi wani lokaci a lokacin wasan da aka m kawai ta gameplay: The player da dadewa zama m da kuma, musamman, m ga ingancin nuna a allon image. A daidai wannan lokaci, 'yan mutane san cewa domin tabbatar da wani babban matakin da ingancin yau, da yawa game Developers amfani FXAA antialiasing. Abin da shi ne - da aka sani a yau shi ne ba duka yan wasa, da kuma da yawa tunani, ko shi wajibi ne don hada wannan fasalin.

The m mafiya yawa daga cikin 'yan wasan da ya sani cewa sune ake kira tsãni a gefuna da abubuwa, kazalika da yadda za ka iya warware wannan matsala ta hanyar amfani da «anti-aliansing» ko kuma kawai "anti-aliasing".

Abin da aka dithering?

Smoothing - wannan shi ne mai kyau sabon abu, a matsayin ƙwarai ƙara ji na image, da kuma a cikin zamani hakikar da na wasanni, a cikin abin da ba a amfani da, kyakkyawan mafi kusantar da za a sowa. A daidai wannan lokaci da ya rage unsatisfactory hanya a wanda ya gane FXAA antialiasing. Abin da shi ne, da yawa masu amfani iya ba ko da sha'awa, amma a gaskiya shi ne aiwatar rinjayar ingancin da karshe image.

Poor aiwatar shi ne sau da yawa dalilin cewa manufa kayan aiki yana kasa sarrafa kwamfuta ikon. Hakika, a sharadi gwargwado a nan su ne wadanda suka fi son a yi wasa a kan PC, kamar yadda a cikin wannan hali, da damar da kayan aiki ne kai tsaye dogara a kan kudi yiwuwa na mai shi, amma wasan bidiyo yan wasa sau da yawa ciki tare da kawai da gameplay, kamar yadda ingancin da graphics a cikin manyan laifukan kan kwakwalwa yawa mafi idan aka kwatanta da abin da graphics ne wasan bidiyo wasanni. Duk da haka, kowane mutum ne free to zabi inda kuma abin da ya play.

Mene ne FXAA?

Nan da nan ya kamata a lura da cewa quite lokaci mai tsawo igrodelov amfani FXAA anti-aliasing fasaha. Mene ne shi, bai san sa'an nan ba, amma da farko yi amfani da shi aka samu a MMO Age na Conan, kazalika a cikin shahararrun a duk faɗin duniya maharbin TSORON Wadannan wasanni, duk da haka, ya yi amfani ne kawai da asali version na anti-aliasing, wanda a wancan lokacin ya kasance a ba sosai yi bayani.

A lokacin mu a cikin wasanni da muka yi amfani da wani dan kadan daban-daban format FXAA. Mene ne wannan? Yana tsaye ga duka biyu Fast m Anti-Aliasing, wanda yake shi ne mafi tasiri bayani kamar yadda idan aka kwatanta da na gargajiya fasahar MSAA. Wannan guda izinin pixel shader, inda sakamakon frame miscalculation yi a mataki na post-aiki. Wannan shader an halitta a matsayin mai sauri fix, wanda shi ne kasa wuya a kan ajiya a kwatanta da na sama, amma ga abũbuwan amfãni da fasahar biya up aiki, kazalika da inganci. Ganin wannan, mutane da yawa na iya zaton cewa fasaha ne m. A gaskiya wannan ba gaskiya ba ne.

Mene ne abũbuwan amfãni daga wannan hanya?

Smoothing bambanta FXAA da dama abũbuwan amfãni, ciki har da inganta smoothing ake kira subpixels, kuma specular. An hukuma daftarin aiki Timoti Lotts developer wannan fasahar ce masa samfurin da matsakaici ingancin saituna aikin post-aiki na Frames a kan tushen da wani ƙuduri na 1920x1200 da GTX 480 a wani kudi na kasa da daya daƙiƙa.

Babban amfanin da cewa yana da anti-aliasing FXAA, kunshi a abin da aka yi amfani da nan smoothing algorithm sub-pixels, wanda shi ne ya fi dacewa idan aka kwatanta da MLAA algorithm, wanda shi ne quite isa ga aiki na kayan aiki da cewa gudanar a kan DirectX9 matakin. Wannan ne, a cikin wannan yanayin, da post-aiki ne da za'ayi a wata guda izinin tafiya, kuma mafi ban sha'awa shi ne da cikakken 'yancin kai daga abin da amfani da GPU lissafta API. Duk da haka, akwai kuma daya drawback - Developers na wannan fasahar dole ne dole a saka a cikin wani iri-iri na wasanni. A lokaci guda, da gargajiya anti-aliasing fasahar aiki ko, a maimakon haka, ba zai iya aiki a direban matakin. Saboda haka, yayin da shirye-shirye za su amfani da su a injuna Hanyar karuwa da sauri smoothing, kuma haka ba za a yi amfani a cikin su injuna FXAA code, shi zai zama ba zai yiwu ba a cimma da ake so sakamako, kamar yadda bi da bi daga waje da code ba zai yiwu ba har sai kwanan nan.

Yadda aka matsalar warware?

A ta amfani da maballin [Dakata] tsawon lokaci, aka yanke shawarar da farko gabatar FXAA d3d.dl code a library, sakamakon wata dama na m gyara na da sakamakon ta hanyar daban-daban sanyi fayiloli, kazalika da taimaka ko musaki da FXAA. Wannan sa na fayiloli asali kofe zuwa directory inda executable fayil shi ne ba DX9 aikace-aikace, da kuma aikace-aikace farawa zai karba library a cikin abin da daidai code ne ba. A daidai wannan lokaci, a matsayin developer da fasahar aiwatar da code a library aka asali sanya tabbata cewa sakamakon aikin da aka sanya a cikin log, masu amfani rayayye fara tantance kwari a cikin wannan fasahar, wadda sauri gyara. C ne kuma "injections" sun bayyana a kan lokaci tare da code for DirectX 10 da kuma 11-tsaren.

Yadda za a duba?

A mafi bayyananne sakamako ne domin sanin abin da hanyar da aka yi amfani da karuwa da sauri smoothing da FXAA, na iya zama a wasan Duniya na Tankuna.

Idan FXAA anti-aliasing ba a amfani da, za a fara nuna jinsin "escalator", kuma duk da cewa da tank model na iya zama quite manyan kuma zai bambanta nagari, daki-daki, kayayyakin gargajiya da bayyana sosai, kuma musamman tare da girmamawa ga wani iri-iri na bakin ciki abubuwa. gina-in anti-aliasing dabara ake kokarin a wasu hanya don sa mai gefen abu, amma shi ya sa ya kyawawan mediocre, ba a ma maganar gaskiya cewa hoto iya, wani lokacin za Heart.

Abin da canje-canje faruwa?

Da zarar switched FXAA kayan aiki, sakamakon ya bayyana: da kayayyakin gargajiya bace gaba daya, amma akwai wasu blurring daga cikin image. Bugu da kari, akwai kuma wani musamman version FXAA kaifafa. fasahar developer a daya version kara a tace filin, wanda aka dauka daga MPC-HC, yayin da karshe sakamakon da aka quite mai kyau: blur gaba daya bace, laushi su ne ma fi ban mamaki view fiye da asali, da kuma "tsani", duk da yin amfani da da tace ne kusan gaba daya ba a nan. Yanzu da ka san abin da irin FXAA a Duniya na Tankuna game. Saboda gaskiya cewa marubuta ba asali shirya don haka da sharpness na irin zane iya dan kadan "buga fitar da" hasumiyar, amma gameplay shi ne kusan ganuwa.

Performance nan ne kusan ba rage. Hakika, World of Tankuna engine aiki fiye da mamaki, saboda haka bursts ko, a akasin haka, wasan kwaikwayon rage iya ƙarshe fito fili daga kõme ba.

NoAA, SMAA ko FXAA

Idan muka kwatanta da halaye «noAA» ko SMAA da kuma «FXAA kaifafa», hoton zai canza muhimmanci ga mafi alhẽri a karshen harka. The kawai togiya a nan shi ne yin amfani da filin tace cewa Narrows ɓarna, bakin ciki Lines ko fiye, musamman, shi ne musamman m, a saka manyan bindigogi gani. Yawan Frames da biyu embodiment FXAA ƙwarai wuce baya embodiment.

A cikin shakka daga dogon lokacin da gwaje-gwaje, da shi aka ƙaddara cewa a lokacin da yin amfani da FXAA yi saukad da game 10-12%, yayin da a yanayin saukan lokacin amfani da smoothing Hanyar MSAA 4x, wanda ingancin gasa a yau tare da FXAA fasaha, kuma ya aikata bayyana wasan kwaikwayon drop 50% ko fiye.

update

A shekarar 2011, akwai kuma customizable version of allura, wanda ya hada duk na sama zabin FXAA da su amfãni. A wannan taro ya samu halartar da dama da yawan tacewa, tsakanin wanda tsaye daga:

• Blur.
• Vignetting.
• launi jikewa.
• Sepia.
• Kuma da yawa wasu.

Duk wannan mai sauki ne don saita ta hanyar guda fayil, kuma mafi amfani a cikin wannan hali: saituna za a iya sauƙi canza, ko yayin da wasa, kawai rage aikace-aikace, bude Saituna Edita, fadada app da kuma ji dadin sabon saituna ba tare da ciwon to zata sake farawa da aikace-aikace da kake sha'awar. Saboda haka, shi ne ya jũyar da gaba daya kashe Fading daga baya kunnawa wasa tace, samar da wani bayarda hoto na inda babu "tsani" blur da kuma cimma high quality laushi.