cocos2d + 非同期

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Kazuki Sakamoto

cocos2d 勉強会 (2011/06/20) http://togetter.com/li/151941 「非同期」のスライドです

Technologie Art & Photos

@yuroyuro: 31 May 2011

http://twitter.com/#!/yuroyoro/status/75399664496680960

1/60

VSYNC

1/60 → 2/60(1/30) → 3/60(1/20)
→ 4/60(1/15) → ...

cocos2d

CCTextureCache
- (void)addImageAsync:target:selector:

addImageAsync

•
• GL API

(EAGLContext sharegroup)

addImageAsync

•
•OpenGL ES
•glTexImage2D
( GL )

“

RunLoop Main Queue
Global Queue Serial Queue ”

iOS 4

Grand Central Dispatch

Global Queue
Serial Queue

addImageAsync

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cocos2d + 非同期

1. @splhack

2. cocos2d +

3. Loading

4. Loading.......

7. @yuroyuro: 31 May 2011 http://twitter.com/#!/yuroyoro/status/75399664496680960

8. cocos2d RunLoop cocos2d CADisplayLink

9. CADisplayLink RunLoop

10. VSYNC

11. VSYNC

12. VSYNC Vertical Synchronizing signal

13. VRAM

14. VSYNC

15. CADisplayLink RunLoop VSYNC

16. CADisplayLink iOS 1/60 60FPS 16.666

17. 1/60 VSYNC 1/60 → 2/60(1/30) → 3/60(1/20) → 4/60(1/15) → ...

18. RunLoop (Blocking)

19. RunLoop (Blocking)

20. RunLoop

21. cocos2d CCTextureCache - (void)addImageAsync:target:selector:

22.

23. addImageAsync • • GL API (EAGLContext sharegroup)

24. addImageAsync • •OpenGL ES •glTexImage2D ( GL )

25. addImageAsync •

26. “ RunLoop Main Queue Global Queue Serial Queue ” iOS 4

27. Grand Central Dispatch GCD iOS 4

28. Grand Central Dispatch Global Queue Serial Queue addImageAsync

29. Grand Central Dispatch

Notes de l'éditeur

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CADisplayLink&#x3092;&#x4F7F;&#x3046;&#x3068;&#x3001;RunLoop&#x304C;VSYNC&#x306B;&#x540C;&#x671F;&#x3057;&#x3066;&#x30EB;&#x30FC;&#x30D7;&#x3059;&#x308B;\n
1&#x56DE;&#x306E;&#x30EB;&#x30FC;&#x30D7;&#x306E;&#x6642;&#x9593;&#x304C;1/60&#x79D2;\n
1/60 &#x306C;&#x3081;&#x306C;&#x3081;&#x52D5;&#x304F;\n
&#x30C7;&#x30FC;&#x30BF;&#x3092;&#x30ED;&#x30FC;&#x30C9;&#x3057;&#x3066;RunLoop&#x3092;&#x30D6;&#x30ED;&#x30C3;&#x30AF;\n&#x30D5;&#x30EC;&#x30FC;&#x30E0;&#x30EC;&#x30FC;&#x30C8;&#x4F4E;&#x4E0B;&#x3069;&#x3053;&#x308D;&#x306E;&#x8A71;&#x3067;&#x306F;&#x306A;&#x3044;\n&#x753B;&#x9762;&#x6B62;&#x307E;&#x3063;&#x3061;&#x3083;&#x3046;\n
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addImageAsync&#x3092;&#x5B9F;&#x969B;&#x306B;&#x3069;&#x3046;&#x4F7F;&#x3046;&#x304B;&#x3001;&#x3053;&#x306E;&#x672C;&#x3092;&#x8AAD;&#x3093;&#x3067;&#x3044;&#x305F;&#x3060;&#x304F;&#x304B;&#x3001;&#x3050;&#x3050;&#x3063;&#x3066;&#x3082;&#x3089;&#x3046;&#x3068;&#x3057;&#x3066;\n
&#x3069;&#x3046;&#x3044;&#x3046;&#x5B9F;&#x88C5;&#x306B;&#x306A;&#x3063;&#x3066;&#x3044;&#x308B;&#x304B;\n
&#x901A;&#x5E38;&#x30E1;&#x30A4;&#x30F3;&#x30B9;&#x30EC;&#x30C3;&#x30C9;&#x4EE5;&#x5916;&#x3067;OpenGL ES API&#x3092;&#x547C;&#x3073;&#x51FA;&#x305B;&#x3070;&#x4F8B;&#x5916;&#x767A;&#x751F;\n
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iOS 4&#x30D7;&#x30ED;&#x30B0;&#x30E9;&#x30DF;&#x30F3;&#x30B0;&#x30D6;&#x30C3;&#x30AF;&#x306E;&#x7B2C;5&#x7AE0;&#x3092;&#x305C;&#x3072;&#x8AAD;&#x3093;&#x3067;&#x304F;&#x3060;&#x3055;&#x3044;&#x307E;&#x305B;\n
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