[Bf-cycles] serious bug with Curves BVH build

[Mohamed Sakr]

Hi Sergey,

so is there a solution? I didn't have a look yet.

On Thu, Nov 10, 2016 at 10:36 PM, Sergey Sharybin <sergey.vfx at gmail.com>
wrote:

> Hi,
>
> In such case you're most likely hitting numeric overflow
> in PRIMITIVE_UNPACK_SEGMENT/PRIMITIVE_PACK_SEGMENT.
>
> On Thu, Nov 10, 2016 at 8:45 PM, Mohamed Sakr <3dsakr at gmail.com> wrote:
>
>> more info:
>> this happens when Curve got more than 32k keys (Int16), 1<<15 key points
>> in 1 Curve.
>> any idea? it builds bad BVH for this case.
>>
>> On Wed, Nov 9, 2016 at 3:01 AM, Mohamed Sakr <3dsakr at gmail.com> wrote:
>>
>>> Hi,
>>>
>>> there is a perma crash in BVH build for curves.
>>> leaf got #DEN values.
>>>
>>> we got the build of 12th October, my CPU is I7 3930k.
>>>
>>> anybody else encountered such crashes? (all BVH types crashes, aligned
>>> or not aligned, static/dynamic, QBVH, ..)
>>>
>>> this happens only with curves.
>>>
>>> cheers,
>>> Mohamed Sakr
>>>
>>
>>
>> _______________________________________________
>> Bf-cycles mailing list
>> Bf-cycles at blender.org
>> https://lists.blender.org/mailman/listinfo/bf-cycles
>>
>>
>
>
> --
> With best regards, Sergey Sharybin
>
> _______________________________________________
> Bf-cycles mailing list
> Bf-cycles at blender.org
> https://lists.blender.org/mailman/listinfo/bf-cycles
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.blender.org/pipermail/bf-cycles/attachments/20161111/5cb5e6b7/attachment.htm