Hi,
I'm a little shaky in this area, so I beg your pardon.
CALayer has a contents property which is a CGImageRef, i.e. a Core
Graphic image. CGImages are stored in RAM.
CALayer is built on top of OpenGL and uses VRAM to store its bitmap
image internally (a texture).
Now suppose that I have a
On Jul 1, 2011, at 3:16 AM, Oleg Krupnov wrote:
Now suppose that I have a CIImage constructed with +imageWithContentsOfURL.
The image is loaded (lazily) directly to VRAM.
Not quite. There is still a trip through RAM that is necessary to get to VRAM
(basically it is nearly impossible to go
