IPhone: GLKTextureInfo not working using Grand Central Dispatch?

IPhone: GLKTextureInfo not working using Grand Central Dispatch?

References

Reference NO 1

http://stackoverflow.com/questions/15192658/iphone-glktextureinfo-not-working-using-grand-central-dispatch

Reference NO 2

http://stackoverflow.com/questions/4264540/grand-central-dispatch-gcd-with-coredata

Reference NO 3

http://stackoverflow.com/questions/4668634/iphone-is-it-ok-to-use-usleep-on-a-secondary-thread-on-grand-central-dispatch

Reference NO 4

http://stackoverflow.com/questions/8186798/iphone-grand-central-dispatch-not-working-correctly-on-iphone-4s

Reference NO 5

http://stackoverflow.com/questions/7670607/how-do-i-post-a-nsnotification-when-using-grand-central-dispatch

Reference NO 6

http://developer.apple.com/library/ios/documentation/3DDrawing/Conceptual/OpenGLES_ProgrammingGuide/TechniquesForWorkingWithTextureData/TechniquesForWorkingWithTextureData.html

Reference NO 7

#EANF#

Reference NO 8

#EANF#