SkiaとImpellerについて

क୩!גࣜձࣾ%F/" 4LJBͱJNQFMMFSʹ͍ͭͯ

ࣗݾ঺հ w J04ͱ͔'MVUUFSͱ͔8FCϑϩϯ τͱ͔΍ͬͯ·͢ w έόϒ͕޷͖Ͱ͢

ಥવͰ͕͢

Ͳ͏΍ͬͯ6*͕දࣔ͞ΕΔͷ͔ ؾʹͳΓ·ͤΜ͔ʁ

͜ͷؒʹԿ͕ى͍ͬͯ͜Δͷ͔

6*͕දࣔ͞ΕΔ·Ͱ w (16Λհͯ͠ը໘ʹදࣔ w (16Λಈ͔͢ʹ͸0QFO(-ͳͲ ͷ(SBQIJDT"1*Λ࢖༻ w 'MVUUFSʹݶΒͣͲͷϑϨʔϜϫ ʔΫͰ΋มΘΒͳ͍ (SBQIJD"1*
0QFO(- 7VMLBO .FUBM "QQMJDBUJPO$PEF (16 σΟεϓϨΠ

'MVUUFSͰ͸ʁ w 8JEHFU 'SBNFXPSL Λ௨ͯ͠ &OHJOFͷ4LJBJNQFMMFS΁ w 4LJBJNQFMMFS͔Β4VSGBDF͕ ଘࡏ͢Δ&NCFEEFSΛ௨ͯ͠ඳը &NCFEEFS
&OHJOF 4LJBJNQFMMFS 'MVUUFS'SBNFXPSL (SBQIJD"1* 0QFO(- 7VMLBO .FUBM

'MVUUFSͷΞʔΩςΫνϟ w ࡾ૚ߏ଄ w 'SBNFXPSL w ΞϓϦͰ࢖͏8JEHFUͳͲ w &OHJOF w
ϨϯμϦϯά΍ϨΠΞ΢τܭࢉɺJTPMBUF ͳͲ w 4LJBͱJNQFMMFS͸͜͜ʹҐஔ͢Δ w &NCFEEFS w ֤ϓϥοτϑΥʔϜʹରԠͨ͠ॲཧ 'MVUUFSBSDIJUFDUVSBMPWFSWJFX IUUQTEPDT fl VUUFSEFWSFTPVSDFTBSDIJUFDUVSBMPWFSWJFX

ͦ΋ͦ΋4LJBͬͯʁ w l%zઐ༻ͷϨϯμϦϯάΤϯδ ϯ w (PPHMF͕ओಋͯ͠։ൃ w 'MVUUFSҎ֎Ͱ΋"OESPJE΍ $ISPNFͰ΋࠾༻͞Ε͍ͯΔ 4LJB
IUUQTTLJBPSH

JNQFMMFSͱ͸ʁ w 'MVUUFSઐ༻ͷϨϯμϦϯάΤϯ δϯ w (PPHMF͕ओಋͯ͠։ൃ w 'MVUUFS͔ΒQSFWJFX͕ ελʔτ JNQFMMFS
IUUQTHJUIVCDPN fl VUUFSFOHJOFUSFFNBJOJNQFMMFS

ϨϯμϦϯάΤϯδϯʁ w 0QFO(-ͷ௚ॻ͖Ͱ΋ ӈͷΑ͏ʹඳը͸Ͱ͖Δ͕ʜ ࢖Θͳ͍৔߹

ϨϯμϦϯάΤϯδϯʁ 4LJBΛ࢖ͬͯΈΔ w ઌ΄Ͳͷॲཧͱಉ͡ w ΑΓ෼͔Γ΍͍͢هड़ w ඳըॲཧΛந৅Խ w J04"OESPJEΛ͸͡Ίͱͨ͠
ϓϥοτϑΥʔϜ΁ͷରԠ w ඳըॲཧͳͲΛӅṭͨ͠ ϥΠϒϥϦ

'MVUUFSͰͷඳըϑϩʔʹ͍ͭͯ

શମ૾ 8JEHFU &MFNFOU 3FOEFS0CKFDU -BZFS %JTQMBZ-JTU 0Q *NQFMMFS4LJB

ࠓճ஫໨͢Δͷ͸͜͜ 8JEHFU &MFNFOU 3FOEFS0CKFDU -BZFS %JTQMBZ-JTU 0Q *NQFMMFS4LJB

͜͜Β΁Μ͸ʁ 8JEHFU &MFNFOU 3FOEFS0CKFDU -BZFS 'MVUUFS,BJHJ3FOEFS0CKFDUΑΓԼͷੈքͷ'MVUUFSCZGBTUSJWFSͰৄ͘͠ղઆ͞Εͯ·͢ ͓͢͢ΊͰ͢ɺݟ·͠ΐ͏ʂʂʂʂʂ

8JEHFU w ීஈ৮Δ6*ͷཁૉ w ੜ੒ͱഁغ͕සൟʹى͜Δ w ࢠͷ৘ใΛ΋ͭ w ࣮ଶͱͯ͠͸8JEHFUΛܧঝͨ͠ 4JOHMF$IJME3FOEFS0CKFDU8JEHFU
ͳͲ

&MFNFOU w 8JEHFUΫϥε͕࣋ͭ DSFBUF&MFNFOU Ͱ࡞੒ w ϥΠϑαΠΫϧͷ؅ཧ w Ϛ΢ϯτ΍ߋ৽ɺΞϯϚ΢ϯ τͳͲ
w 3FOEFS0CKFDUͷ؅ཧ $FOUFS 4JOHMF$IJME3FOEFS 0CKFDU&MFNFOU %FDPSBUFE#PY 1BEEJOH 5FYU 4JOHMF$IJME3FOEFS 0CKFDU&MFNFOU 4JOHMF$IJME3FOEFS 0CKFDU&MFNFOU 4UBUFMFTT&MFNFOU

3FOEFS0CKFDU w ϨΠΞ΢τܭࢉ΍ϖΠϯτΛߦ ͏ΦϒδΣΫτ w ώοτςετ΋ߦ͏ w 3FOEFS0CKFDU8JEHFUͷ࣋ͭ DSFBUF3FOEFS0CKFDU Ͱ࡞੒
4JOHMF$IJME3FOEFS 0CKFDU&MFNFOU 4JOHMF$IJME3FOEFS 0CKFDU&MFNFOU 4JOHMF$IJME3FOEFS 0CKFDU&MFNFOU 4UBUFMFTT&MFNFOU 3FOEFS1PTJUJPOFE #PY 3FOEFS%FDPSBUFE #PY 3FOEFS1BEEJOH 3FOEFS1BSBHSBQI

-BZFS 'SBNFXPSL w 3FOEFS0CKFDUQBJOU Λ௨ͯ͠࡞੒ w 1BJOUJOH$POUFYU w ࢠͷ3FOEFS0CKFDUͷQBJOUΛ ࠶ىతʹݺͼग़͢
w -BZFSΛૠೖPS$BOWBT΁ͷ ॻ͖ࠐΈ w ࠓճͷ3FOEFS0CKFDUͰ͸ऴ୺ͷ 1JDUVSF-BZFSͷΈ࡞੒͞ΕΔ 1JDUVSF-BZFS 3FOEFS1PTJUJPOFE #PY 3FOEFS%FDPSBUFE #PY 3FOEFS1BEEJOH 3FOEFS1BSBHSBQI 1BJOUJOH$POUFYU

-BZFS &OHJOF w ͔͜͜Β$ ʹมΘΔ w &OHJOFଆͰ-BZFSߏ଄Λѻ͑Δ Α͏ʹͨ͠ΦϒδΣΫτ w 4DFOF#VJMEFSʹΑͬͯ࡞੒
w 1JDUVSFΛ%JTQMBZ-JTUʹม׵ w 1JDUVSF͸1BJOUJOH$POUFYUΛ ௨ͨ͠$BOWBT΁ͷॻ͖ࠐΈ 1JDUVSF-BZFS %JTQMBZ-JTU-BZFS

%JTQMBZ-JTU w %JTQMBZ-JTU-BZFS͕࣋ͭ ඳը໋ྩΛ·ͱΊͨσʔλߏ଄ w 1JDUVSF-BZFS͕͍࣋ͬͯͨ 1JDUVSF͔Βม׵ w %JTQMBZ-JTU#VJMEFS#VJME Ͱ࡞
੒͞ΕΔ %JTQMBZ-JTU#VJMEFS %JTQMBZ-JTU %JTQMBZ-JTU-BZFS

0Q w %JTQMBZ-JTUʹ֨ೲ͞ΕΔඳը໋ ྩͷϞσϧ w ৭ృΓɺจࣈྻͷඳըɺը૾ͷ දࣔͱ͍༷ͬͨʑͳ໋ྩ͕͋Δ w %JTQMBZ-JTU#VJMEFSͷ 1VTI5FYU#MPC΍$MJQ1BUIͳͲͰ
࡞੒ %JTQMBZ-JTU %SBX5FYU#MPC0Q 4FU4USPLF8JEUI0Q %SBX$PMPS0Q

Α͏΍͘*NQFMMFS4LJB 8JEHFU &MFNFOU 3FOEFS0CKFDU -BZFS %JTQMBZ-JTU 0Q *NQFMMFS4LJB

͜͜Ͱগ͠ωΠςΟϒͷ࿩Λ

ωΠςΟϒͰͷϨϯμϦϯά w %FWJDF w ந৅Խ͞Εͨ(16 w $PNNBOE#V ff FS w
ඳը͢ΔίϚϯυΛ̍·ͱΊʹͨ͠΋ͷ w 2VFVF w $PNNBOE#V ff FSͷ2VFVF w *NQFMMFS΋.FUBM7VMLBOΛ׆༻ w $PNNBOE#V ff FSͷੜ੒͕࠷ऴతͳ໨ඪ .5-$PNNBOE#V ff FS .5-%FWJDF .5-$PNNBOE2VFVF 7L$PNNBOE#V ff FS 7L%FWJDF 7L(SBQIJDT2VFVF (16

*NQFMMFSTLJBͰͷॲཧ w ͜͜·ͰͷྲྀΕͰ࡞੒ͨ͠0Q͕ %M0Q3FDFJWFSͰॲཧ͞ΕΔ w %M0Q3FDFJWFS͸0QΛड͚औͬ ͯॲཧ w %M0Q3FDFJWFS͸BCTUSBDUͰ࣮ମ ͸4LJB*NQFMMFSʹଘࡏ
%M0Q3FDFJWFS %M%JTQBUDIFS %M4L%JTQBUDIFS 0QT *NQFMMFS 4LJB

*NQFMMFSTLJBͰͷॲཧ 4LJBͷ৔߹ w %M4L%JTQBUDIFS w 4L$BOWBTΛอ࣋ w 4LJBͰఆٛ͞Εͨ$BOWBT w ֤0QΛ4LJBͷೖྗʹม׵
w $BOWBT΁ॻ͖ࠐΈ w ͜ΕҎ߱͸4LJBͷॲཧ %M4L%JTQBUDIFS %M0Q 4L$BOWBT 4LJB 'MVUUFS

*NQFMMFSTLJBͰͷॲཧ *NQFMMFSͷ৔߹ w %M%JTQBUDIFS w $BOWBTΛอ࣋ w *NQFMMFSͰఆٛ w $BOWBT΁ॻ͖ࠐΈ
w &OUJUZ1BTT΁ม׵ w ࠶ͼ໦ߏ଄Λੜ੒ %M%JTQBUDIFS %M0Q *NQFMMFS$BOWBT &OUJUZ1BTT &OUJUZ1BTT &OUJUZ1BTT %SBX1BJOU%SBX1BUI%SBX33FDU

*NQFMMFSTLJBͰͷॲཧ *NQFMMFSͷ৔߹ w &OUJUZ1BTTͱ͸ w ෳ਺ͷ&OUJUZΛอ࣋ͯ࣍͠ͷ&OUJUZ ͷࢀরΛ࣋ͭ w -BZFSͱࣅͨ੹຿ w
&OUJUZͱ͸ʁ w $POUFOUTͷอ࣋ w ࠷ऴతʹ࢖༻͢Δ4IBEFSͳͲ ͷ৘ใΛ࣋ͭ &OUJUZ &OUJUZ1BTT &OUJUZ &OUJUZ &OUJUZ1BTT $POUFOUT &OUJUZ1BTT

*NQFMMFSTLJBͰͷॲཧ w $POUFOUTΛ3FOEFS1BTT΁௥Ճ w 3FOEFS1BTT w 'MVUUFSଆͷ࠷ऴతͳϞσϧ w ֤άϥϑΟοΫε"1*ͷίϚϯ υ΁ม׵͢Δ໾ׂ
w .FUBM7VMLBO(-&4ͦΕͧΕ ͷ࣮ମ͕ଘࡏ 3FOEFS1BTT 3FOEFS1BTT.5- 3FOEFS1BTT7, &OUJUZ &OUJUZ1BTT &OUJUZ &OUJUZ $POUFOUT *NQFMMFSͷ৔߹

*NQFMMFSTLJBͰͷॲཧ w 3FOEFS1BTT͔Β֤ϓϥοτϑΥʔϜ ͷίϚϯυ΁ม׵ w $PNNBOE#V ff FS͕2VFVFʹੵ·ΕΔ w (16΁ૹ৴͞ΕΔ
w ϨϯμϦϯά͞ΕΔʂʂʂ 3FOEFS1BTT.5- 3FOEFS1BTT7, .5-$PNNBOE#V ff FS 7,$PNNBOE#V ff FS .5-$PNNBOE2VFVF (16 7,(SBQIJDT2VFVF *NQFMMFSͷ৔߹

ϨϯμϦϯάϑϩʔʹ͍ͭͯ

w 1BUI(FOFSBUJPO w ඳըର৅Λύεʹม׵ w 3BTUFSJ[F w ύε͔ΒඳըྖҬΛࡦఆ w 4IBEJOH
w ඳըྖҬͷ৭Λੜ੒ w #MFOEJOH w 3BTUFSJ[Fͱ4IBEJOHͷ݁ՌΛ߹੒ 1BUI(FOFSBUJPO 4IBEJOH 3BTUFSJ[F #MFOEJOH 4L$BOWBT %SBX5FYU#MPC%SBX1BUIʜ 4LJBͷϨϯμϦϯάϑϩʔ

w 'MVUUFSͰ͸4IBEJOH͕໰୊ʹ w ૢ࡞࣌ʹಈతʹγΣʔμʔΛ ίϯύΠϧ͢Δ w 4L4-͔Β.4-(-4-΁ม׵ w ͜ΕΛ଴ͨͳ͍ͱ͍͚ͳ͍ w
ΧΫπΩ͕ൃੜʜ 1BUI(FOFSBUJPO 4IBEJOH 3BTUFSJ[F #MFOEJOH 4L$BOWBT %SBX5FYU#MPC%SBX1BUIʜ 4LJBͷϨϯμϦϯάϑϩʔ

*NQFMMFSͷϨϯμϦϯάϑϩʔ w 4LJBͱҧ͍%·Ͱ૝ఆ w Ұൠతͳ(16ύΠϓϥΠϯͱ͍ۙ w .FUBM7VMLBOͱ΄΅ಉ͡ߏ੒ w ΑΓࡉ͔͘(16Λѻ͑ΔΑ͏ʹ 3BTUFSJ[BUJPO
7FSUFY4IBEFS 4UFODJM5FTU 'SBHNFOU4IBEFS #MFOEJOH (FPNFUSZ4IBEFS 7FSUFY4IBEFS 'SBHNFOU4IBEFS 3BTUFSJ[BUJPO #MFOEJOH 'MVUUFS 7VMLBO

*NQFMMFSͷϨϯμϦϯάϑϩʔ w γΣʔμʔʹ͍ͭͯ͸ʁ w ࣄલίϯύΠϧ͞ΕΔΑ͏ʹ w *NQFMMFSDʹΑͬͯϏϧυ͞ΕΔ w γΣʔμʔͷݴޠ΋4L4-͔Β (-4-΁มߋ
(-4- 4IBEFS *NQFMMFSD 41*37 .FUBM4IBEFS -BOHVBHF 3F fl FDUPS $ #JOEFS .FUBM-JCSBSJFT

͜͜·Ͱઆ໌͖ͯ͠·͕ͨ͠

8JEHFU &MFNFOU 3FOEFS0CKFDU -BZFS %JTQMBZ-JTU 0Q *NQFMMFS4LJB

ͳͥ͜Μͳʹ௕͍ͷ͔ʁ

JNQFMMFSͷٙ໰఺ w 8JEHFU͔Β*NFQMMFS4LJB·Ͱ͔ͳΓଟ૚ߏ଄ʹͳ͍ͬͯΔ͚Ͳඞཁʁ w ࣮͸%JTQMBZ-JTU͸4LJB಺෦ͱࣅͨΑ͏ͳσʔλߏ଄ w 4LJBνʔϜͰ͸ͳ͘'MVUUFSνʔϜͱͯ͠ϝϯςͰ͖Δ w Ωϟογϡͷ௥ՃͳͲ͕ߦΘΕ͍ͯΔ w
4LJB*NQFMMFSͱ΋ʹγʔϜϨεʹҠߦͰ͖Δ

*NQFMMFSͰԿ͕มΘ͔ͬͨ ·ͱΊ w γΣʔμʔͷࣄલίϯύΠϧʹΑΓૢ࡞࣌ͷੑೳͷ޲্ w 'MVUUFSνʔϜओಋͰͷվળ w ΑΓ(16ʹ͍ۙϨϯμϦϯάύΠϓϥΠϯͷఏڙ w 'MVUUFS(16Λ͸͡Ίͱͨ͠௿ϨϕϧͳάϥϑΟοΫεૢ࡞ͷఏڙ͕Մೳʹ
w ݪཧతʹରԠ͢Δ0Q&OUJUZ͕͋Ε͹ԿͰ΋ϨϯμϦϯάͰ͖Δ

SkiaとImpellerについて

SkiaとImpellerについて

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