Umqhubi weGPU onenkxaso yeVulkan API ilungiselelwe iibhodi zeRaspberry Pi ezindala

Yaziswa ukukhululwa kokuqala okuzinzileyo komqhubi wemizobo evulekileyo RPi-VK-Umqhubi 1.0, ezisa inkxaso ye-API yemizobo ye-Vulkan kwiibhodi ezindala ze-Raspberry Pi ezithunyelwa nge-Broadcom Videocore IV GPUs. Umqhubi ufanelekile kuzo zonke iimodeli zeebhodi zeRaspberry Pi ezikhutshwe ngaphambi kokukhululwa kweRaspberry Pi 4 - ukusuka kwi "Zero" kunye ne "1 Model A" ukuya "3 Model B +" kunye ne "Compute Module 3+". Umqhubi waphuhliswa nguMartin Thomas (UMartin Thomas), injineli evela kwi-NVIDIA, nangona kunjalo, uphuhliso lwenziwa njengeprojekthi yomntu engahambelani ne-NVIDIA (umqhubi waphuhliswa kwiminyaka emibini edlulileyo ngexesha lakhe lokukhulula). Ikhowudi isasazwa ngu phantsi kwelayisenisi ye-MIT.

Ekubeni amandla eVideoCore IV GPU, exhotyiswe ngeemodeli ezindala zeRaspberry Pi, ayanelanga ukuphumeza ngokupheleleyo iVulkan, umqhubi usebenzisa kuphela i-subset ye-Vulkan API, engagubungeli umgangatho wonke, kodwa uzama ukuyilandela. kangangoko ihardware ivumela. Nangona kunjalo, ukusebenza okukhoyo kwanele kwizicelo ezininzi kunye nemidlalo, kwaye ukusebenza kuyabonakala phambi kwabaqhubi be-OpenGL, ngenxa yolawulo olusebenzayo lwememori, ukusetyenzwa kwemisonto emininzi yemiyalelo ye-GPU, kunye nolawulo oluthe ngqo lwemisebenzi ye-GPU. Umqhubi uphinde axhase iimpawu ezifana ne-MSAA (i-Multisample anti-aliasing), i-shaders ephantsi kunye nezibalo zokusebenza. Phakathi kwemida, kukho ukungabikho kwenkxaso yee-shaders ze-GLSL, ezingekafumaneki kweli nqanaba lophuhliso.

Ngombhali ofanayo ipapashiwe izibuko lomdlalo Inyikima 3 yeRaspberry Pi, esebenza njengomboniso wesakhono somqhubi omtsha. Umdlalo usekwe kwi-injini ye-ioQuake3, eyongeze imodyuli esekwe kwi-Vulkan yokubuyisela umva, eyaphuhliswa yiprojekthi. IQuake III Arena Kenny Edition. Xa usebenzisa umqhubi omtsha kumdlalo ikwazile ukufikelela Ukunikezela ngeefreyimu ezingaphezu kwe-100 ngesekhondi (FPS) kwibhodi yeRaspberry Pi 3B + xa ikhupha kwisisombululo se-720p.

Masikukhumbuze ukuba iRaspberry Pi Foundation kunye nenkampani yaseIgalia ikhokela uphuhliso lomqhubi wayo weVulkan, ekwinqanaba lokuqala lophuhliso kwaye iya kuba ilungele ukuqhuba ezinye izicelo zokwenyani kwisiqingatha sesibini sowama-2020. Umqhubi ochaziweyo ukhawulelwe kwinkxaso ye-VideoCore VI ye-accelerator ye-graphics esetyenziswe ukuqala kwi-Raspberry Pi 4 imodeli, kwaye ayixhasi iibhodi ezindala. Xa kuthelekiswa ne-OpenGL, ukusebenzisa iVulkan kukuvumela ukuba ufezekise ukwandisa imveliso usetyenziso lwegraphic kunye nemidlalo.

umthombo: opennet.ru