[Intel-gfx] [PATCH 1/2] split render engine batch buffer and BLT engine

[Zou, Nanhai]

>>-----Original Message-----
>>From: Chris Wilson [mailto:chris at chris-wilson.co.uk]
>>Sent: 2010年10月26日 16:18
>>To: Zou, Nanhai; intel-gfx at lists.freedesktop.org
>>Subject: Re: [Intel-gfx] [PATCH 1/2] split render engine batch buffer and BLT
>>engine
>>
>>On Tue, 26 Oct 2010 15:33:15 +0800, Zou Nan hai <nanhai.zou at intel.com> wrote:
>>> intel:  on gen6, BLT commands stay in a seperate BLT ring
>>>         buffer.  Split render engine batch and BLT engine batch
>>> 	on gen6.
>>
>>No. The batch buffer needs to be modal, and upon a context switch flushes
>>the current batch. Otherwise we will not be able to synchronise rendering
>>between rings.
>>
>>Plus, implementing that is about 20 lines.
>>-Chris
Hi,
	I do not quite understand your point.
How can we mix blitter command with render command in a batch buffer?

Thanks
Zou nan hai
>>
>>>--
>>Chris Wilson, Intel Open Source Technology Centre