From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH 1/2] split render engine batch buffer and BLT engine Date: Tue, 26 Oct 2010 09:17:52 +0100 Message-ID: References: <1288078396-6002-1-git-send-email-nanhai.zou@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 17EBC9E76E for ; Tue, 26 Oct 2010 01:17:56 -0700 (PDT) In-Reply-To: <1288078396-6002-1-git-send-email-nanhai.zou@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Zou Nan hai , intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Tue, 26 Oct 2010 15:33:15 +0800, Zou Nan hai 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 >-- Chris Wilson, Intel Open Source Technology Centre