{"id":79172,"date":"2020-04-25T01:42:03","date_gmt":"2020-04-24T23:42:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-nochnye-sborki-firefox-dobavlena-podderzhka-webgpu"},"modified":"2020-04-25T01:42:03","modified_gmt":"2020-04-24T23:42:03","slug":"v-nochnye-sborki-firefox-dobavlena-podderzhka-webgpu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/v-nochnye-sborki-firefox-dobavlena-podderzhka-webgpu","title":{"rendered":"Firefoxi \u00f6istes kogumites on lisatud WebGPU tugi.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V \u00f6\u00f6 kogumites<\/a><\/noindex> Firefoxi kogumites ilmus<\/a><\/noindex> spetsifikatsiooni tugi WebGPU<\/a><\/noindex>, pakkudes rakendusliidest 3D-graafika ja GPU-arvutuste t\u00f6\u00f6tlemiseks, kontseptuaalselt sarnane API-le Vulkan<\/a><\/noindex>, Metal<\/a><\/noindex> ja Direct3D 12<\/a><\/noindex>. Spetsifikatsiooni arendavad Mozilla, Google, Apple, Microsoft ja kogukonna esindajad t\u00f6\u00f6r\u00fchmas<\/a><\/noindex>, mis on loodud W3C organisatsiooni raames. <\/p>\n

WebGPU peamine \u00fclesanne on luua turvaline, mugav, \u00fclekantav ja k\u00f5rge j\u00f5udlusega rakendusliides, mida saab kasutada veebitehnoloogia platvormil 3D-graafika ja kaasaegsete s\u00fcsteemide graafika API-d, nagu Direct3D 12 Windowsis, Metal macOS-is ja Vulkan Linuxis. Kontseptuaalselt erineb WebGPU WebGL-ist sama palju kui Vulkan erineb OpenGL-ist ja see ei p\u00f5hine konkreetse graafika API-l, vaid esindab universaalset kihti, mis \u00fcldiselt kasutab samu madalama taseme primitives, mis on olemas Vulkanis, Metal-is ja Direct3D-s. <\/p>\n

WebGPU pakub JavaScripti rakendustele madalama taseme kontrolli GPU korraldamise, t\u00f6\u00f6tlemise ja komandide edastamise, seotud ressursside, m\u00e4lu, puhversalvede, tekstuuriobjektide ja kompileeritud graafiliste shaderite \u00fcle. Selline l\u00e4henemine v\u00f5imaldab saavutada k\u00f5rgemat graafikarakenduste j\u00f5udlust, v\u00e4hendades kulusid ja t\u00f5stes GPU t\u00f6\u00f6tamise efektiivsust. <\/p>\n

WebGPU annab v\u00f5imaluse luua veebis t\u00e4isfunktsionaalseid keerukaid 3D-projekte, mis t\u00f6\u00f6tavad v\u00f5rdselt h\u00e4sti kui iseseisvad programmid, mis otse suhtlevad Vulkan'i, Metal'i v\u00f5i Direct3D-ga, kuid ei ole seotud konkreetsete platvormidega. WebGPU pakub samuti lisav\u00f5imalusi kohandamisel natiivsete graafikaprogrammide kujule, mis suudab t\u00f6\u00f6tada veebitehnoloogiate p\u00f5hjal, t\u00e4nu WebAssembly tehnoloogia rakendamisele. Lisaks 3D-graafikale h\u00f5lmab WebGPU ka v\u00f5imekusi, mis on seotud arvutuste edasiviimisega GPU-le ja shaderite arendamise toega. \u201ekatsetada\u201c sularaha v\u00e4ljastamist \u2013 v\u00e4ltides tootja etten\u00e4htud kontrolle. Kaardir\u00f6\u00f6vlid installivad sellised muudetud t\u00f6\u00f6riistad oma s\u00fclearvutisse v\u00f5i \u00fchesilindrilisse mikrokontrollerisse, mille nad seej\u00e4rel \u00fchendavad otse sularaha v\u00e4ljastamise seadmega, et ebaseaduslikult raha v\u00e4lja v\u00f5tta.<\/a><\/noindex> saama luua WebGPU Shading Language keeles v\u00f5i m\u00e4\u00e4ratlemiseks SPIR-V vaheformaadis, seej\u00e4rel t\u00f5lgitakse see praeguste draiverite toetatud shaderi keeltesse.<\/p>\n

WebGPU-s kasutatakse eraldi ressursside haldust, ettevalmistust\u00f6id ja k\u00e4skude edastamist GPU-le (WebGL-is vastutas k\u00f5ik \u00fche objekti eest). Pakutakse kolme eraldi konteksti:
\n GPUDevice ressursside, nagu tekstuuride ja pubufferite, loomiseks; GPUCommandEncoder eraldi k\u00e4skude kodeerimiseks, sealhulgas renderdamise ja arvutuse etapid; GPUCommandBuffer GPU-le t\u00e4itmiseks j\u00e4rjekorda edastamiseks. Tulemuse saab joonistada ala, mis on seotud \u00fche v\u00f5i mitme canvas elemendiga, v\u00f5i seda saab t\u00f6\u00f6delda ilma v\u00e4ljundita (n\u00e4iteks arvutus\u00fclesannete k\u00e4ivitamisel). Etappide jagamine lihtsustab ressursside loomise ja ettevalmistust\u00f6\u00f6de jaotamist erinevatesse t\u00f6\u00f6tlejatesse, mida saab k\u00e4ivitada erinevates juhtmetes.<\/p>\n

Teiseks erinevuseks WebGPU ja WebGL vahel on erinev l\u00e4henemine olekute t\u00f6\u00f6tlemisel. WebGPU-s pakutakse kahte objekti \u2014 GPURenderPipeline ja GPUComputePipeline, mis v\u00f5imaldavad kombineerida erinevaid olekuid, mis on arendaja poolt eelnevalt m\u00e4\u00e4ratletud, mis annab brauserile v\u00f5imaluse mitte raisata ressursse t\u00e4iendava t\u00f6\u00f6, n\u00e4iteks shaderite \u00fcmberkompileerimise, tegemiseks. Toetatud olekute seas on: shadereid, tipupuhvreid ja atribuutide paigutusi, seotud gruppide paigutusi, segamine, s\u00fcgavus ja \u0161abloonid, renderdamise j\u00e4reltoodetud v\u00e4ljundiformaadid.<\/p>\n

WebGPU kolmas omadus on sidumismudel, mis sarnaneb suuresti
\nVulkanis olemasolevatele ressursir\u00fchmitamise vahenditele.
\nWebGPU-s ressursside gruppide \u00fchendamiseks on olemas GPUBindGroup objekt, mille saab k\u00e4skude kirjutamisel siduda teiste sarnaste objektidega shaderites kasutamiseks. Selliste gruppide loomine v\u00f5imaldab draiveril eelnevalt teha vajalikud ettevalmistavad toimingud ja kiirendab brauseri ressursside sidumise vahetamist joonistamise kutsumiste vahel. Ressursi sidumise paigutus saab eelnevalt m\u00e4\u00e4ratleda GPUBindGroupLayout objekti abil.<\/p>\n

\"Firefoxi<\/center><\/p>\n

Firefoxis WebGPU lubamiseks on about:config-is saadaval seadistus \u00abdom.webgpu.enabled\u00bb. CanvasContexti joonistamiseks on samuti vajalik lubada koostamis\u00fcsteem WebRender<\/a><\/noindex> (\u00abgfx.webrender.all\u00bb about:config-is), mis on kirjutatud Rusti keeles ja viib GPU-le lehe sisu joonistamise toimingud. WebGPU rakendamine p\u00f5hineb projekti koodil
\nwgpu<\/a><\/noindex>, mis on kirjutatud Rust keeles ja suudab t\u00f6\u00f6tada DX12, Vulkan ja Metal API peal Linuxis, Androidis, Windowsis ja macOS-is (samuti on arendamisel tugi DX11 ja OpenGL ES 3.0). Samal ajal arendab Google teist rakendust, mis on saadaval Canary-haru<\/a><\/noindex> Chromiumis ja selle saab lubada lipu \u00abchrome:\/\/flags\/#enable-unsafe-webgpu\u00bb abil, kuid t\u00f6\u00f6tab praegu ainult macOS-is ja Windowsis.<\/p>\n

<\/a><\/noindex><\/p>\n

Allikas: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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