[Mesa3d-dev] MMIO/DMA ?

2010-02-23 Thread Westermann Fu
Hi, friends: Sorry for my junior level question first, but I don't know where I can get it been answered. I have post it to dri-devel list but nobody seems interested, so I hope anyone here can help me. As I know, DMA/CommandParser can provide asynchronous execuation of graphics commands with

Re: [Mesa3d-dev] MMIO/DMA ?

2010-02-23 Thread Stephane Marchesin
On Tue, Feb 23, 2010 at 21:06, Westermann Fu westerman...@gmail.com wrote: Hi, friends: Sorry for my junior level question first, but I don't know where I can get it been answered. I have post it to dri-devel list but nobody seems interested, so I hope anyone here can help me. As I know,

Re: [Mesa3d-dev] MMIO/DMA ?

2010-02-23 Thread Westermann Fu
Thanks very much As the example when FIFO is full, maybe the 17th or 33th vertex will wait for there is room again, so the block happens, I agree. But for correctness, need software special handling? I mean after each time a triangle is feeding to GPU, then, should software wait for some status

Re: [Mesa3d-dev] MMIO/DMA ?

2010-02-23 Thread Stephane Marchesin
On Tue, Feb 23, 2010 at 22:54, Westermann Fu westerman...@gmail.com wrote: Thanks very much As the example when FIFO is full, maybe the 17th or 33th vertex will wait for there is room again, so the block happens, I agree. But for correctness, need software special handling? I mean after each