[Bf-committers] [Bf-blender-cvs] SVN commit: /data/svn/bf-blender  trunk/blender/intern/cycles: Fix cycles intersection issue with overlapping faces on windows 32 bit and CPU
blender at dingto.org
Tue Feb 5 13:17:13 CET 2013
we decided to drop Non SSE2 CPUs already months ago. ;)
Regarding the specs, show me a Desktop/Notebook Dual Core CPU without
SSE2 support and I will add a note here:
Am 05.02.2013 00:59, schrieb Chad Fraleigh:
> Does the new minimum hardware specs imply SSE required? If not then
> either OCIO should be compiled without SSE (i.e. cmake
> -DOCIO_USE_SSE=OFF ... ), or the minimum hardware list be updated to
> specifically state SSE also (the minimum proposal email didn't state
> any specific CPU [features], that I saw).
> The only other option is have both an SSE and non-SSE lib for OCIO and
> then use each in an optimized and non-optimized blender distro, or
> have both as DLL's in the installer and let the user chose if they
> don't want the SSE version during install.
> On Mon, Feb 4, 2013 at 8:23 AM, Thomas Dinges <blender at dingto.org> wrote:
>> Hi Brecht,
>> I think we could drop the non optimized Kernel (no SSE), as we don't
>> support CPUs without SSE2 any more since Blender 2.65.
>> Rendering already crashes on those systems (Windows at least), as OCIO
>> requires SSE2 too.
>> Best regards,
>> Am 04.02.2013 17:12, schrieb Brecht Van Lommel:
>>> Revision: 54299
>>> Author: blendix
>>> Date: 2013-02-04 16:12:37 +0000 (Mon, 04 Feb 2013)
>>> Log Message:
>>> Fix cycles intersection issue with overlapping faces on windows 32 bit and CPU
>>> without SSE3 support, due to 80 bit precision float register being used for one
>>> bounding box but not the one next to it.
>> Thomas Dinges
>> Blender Developer, Artist and Musician
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