On 22 May 2012 08:04, Kenneth Graunke <kenn...@whitecape.org> wrote: > On 05/11/2012 11:03 AM, Paul Berry wrote: > >> On Gen6, the blending necessary to blit an MSAA surface to a non-MSAA >> surface could be accomplished with a single texturing operation. On >> Gen7, the WM program must fetch each sample and blend them together >> manually. This patch implements the manual blend operation. >> > > It would be nice to indicate why (although it wasn't hard to find): > > From the Bspec/Shared Functions/Messages/Initiating Message/Message Types: > "[DevIVB+]: Number of Multisamples on the associated surface must be > MULTISAMPLECOUNT_1."
Good point. I will update the commit message.
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