On Tue, Dec 16, 2008 at 2:47 AM, anandb <[email protected]> wrote: > > I had a few questions on graphics and video .. > > 1. Is the blitter on G1 aware of mmu and works with virtual memory?
no. > 2. Is openGL mainly used for composing textures which have been > created by app/blitter? And as a fallback when blitter is not capable > of handling transformations? yes. > 3. From reading the code it seems that the blitter is used for resize, > rotation and blending on G1. Is this understanding correct? yes. > 4. If YCbCr processing is done by hw accelerator on G1, how are > regions managed? Is it that video is also a layer and only the visible > portions of this are processed by the hardware? the h/w does yuv blits. so it works exactly like a regular RGB surface, only the visible area is blitted/composited. Mathias > > thanks, > anand > > > --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [email protected] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
