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Author Topic: Brute force raytracing + binary 0.9.12b = broken?  (Read 1283 times)
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Roquen
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« on: July 18, 2013, 11:15:10 AM »

I pulled the source from VC and copied all the example script source dir into my 0.9.12b install.  If I run tutorial 26 I simply get a black profile.  Is this expected behavior?
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vinz
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« Reply #1 on: July 18, 2013, 08:41:45 PM »

same here ! i didn't spoke about i thought is was the expected behaviour. but let's see smiley
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3dickulus
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« Reply #2 on: July 19, 2013, 02:35:48 AM »

I just tested tutorial 26 with both the original version and my hacked version and it seems to be working properly.

my gfx card is nVidia GeForce GT9800 (G92 compute 1.1 driver 304.roll eyes

it may be your card and/or driver version

test on another box to verify.

Version 0.9.12 ("Prague") github

if you have a graphic diff utility like kompare (linux/KDE) use it to compare a known working copy of the source with the version you re using, that will show you immediately what the differences are
« Last Edit: July 19, 2013, 02:43:40 AM by 3dickulus » Logged

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vinz
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« Reply #3 on: July 19, 2013, 03:17:58 AM »

just tested with your hacked version to see.
And i Confirm here i Only have silhouette or  Z depth like ...

Nvidia GTX580
GF110
shader compute 2.0
cuda driver 5.0
driver 311.06

perhaps a shader compute issue ?  hurt

And if I remember well Also the NODE raytracer from Kali never worked correctly here ...
« Last Edit: July 19, 2013, 03:30:33 AM by vinz » Logged
3dickulus
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« Reply #4 on: July 19, 2013, 03:30:55 AM »

if the original version shows the same problem I think it might be a hardware issue, both versions run fine on my machine.
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vinz
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« Reply #5 on: July 19, 2013, 03:35:18 AM »

i don't have made a new try recently, but if  remember well i had the same result with 0.9.12 and 0.9.12b that's why i thought finally  it  was the expected result.

but yes probably an hardware incompatibility for what i've understood there are a lot of changes in compute 2.0
« Last Edit: July 19, 2013, 03:36:59 AM by vinz » Logged
Roquen
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« Reply #6 on: July 19, 2013, 08:16:35 AM »

Oh bother.  I was afraid of that and was simply hoping I could simply compile a new exe.
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Syntopia
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syntopiadk
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« Reply #7 on: July 19, 2013, 09:38:16 AM »

Hi,

Have you tried with the exe from the brute-raytracer thread:
http://www.fractalforums.com/3d-fractal-generation/rendering-3d-fractals-without-distance-estimators/msg54477/#msg54477

The script ought to work on a GTX 580, since it works on a GTX 570 (unless the latest driver updates have changed something).
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vinz
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« Reply #8 on: July 19, 2013, 02:37:42 PM »


Yes it seems to work on this one .


* tut26.jpg (109.18 KB, 1206x693 - viewed 204 times.)
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Roquen
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« Reply #9 on: July 19, 2013, 03:45:16 PM »

Excellent!  That build works for me as well.
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