Re: CPU and GPU cache-coherence

2011-06-15 Thread Michel Dänzer
On Die, 2011-06-07 at 21:42 +0800, Donnie Fang wrote: 3D render image on WC AGP aperture BO and then CPU fetch the image from this bo, in order to achieve performance, after 3D finished rendering, validate this bo into cached system memory and then read it from system memory. But I always get

Re: CPU and GPU cache-coherence

2011-06-15 Thread Michel Dänzer
On Mit, 2011-06-15 at 16:58 +0200, Michel Dänzer wrote: On Die, 2011-06-07 at 21:42 +0800, Donnie Fang wrote: 3D render image on WC AGP aperture BO and then CPU fetch the image from this bo, in order to achieve performance, after 3D finished rendering, validate this bo into cached system