[Bf-committers] BIH acceleration structure?

Yves Poissant ypoissant2 at videotron.ca
Wed Feb 27 22:13:44 CET 2008

This is an update as to where I am on this.

I've integrated Brecht's BIH patch into the source. I did not apply the 
patch as is. Instead, I copied the BIH source in a raytrace_bih.c file and I 
added an #if switch in RE_raytrace.h so I can easily switch from the octtree 
to the bihtree without disturbing any other files. I have also included the 
ray_face inersection code in the raytrace_bih.c file so I can optimize this 
part of the code too. The whole project builds OK. Now, I'm printing the 
current raytrace_bih.c file to analyse what is already implemented and 
figure what can be optimized and how.


----- Original Message ----- 
From: "Yves Poissant" <ypoissant2 at videotron.ca>
To: "bf-blender developers" <bf-committers at blender.org>
Sent: Tuesday, February 26, 2008 5:52 PM
Subject: Re: [Bf-committers] BIH acceleration structure?

> OK. I'll work with the trunk (2.46)
> Thanks.
> ----- Original Message ----- 
> From: "Tom M" <letterrip at gmail.com>
> To: "Yves Poissant" <ypoissant2 at videotron.ca>; "bf-blender developers"
> <bf-committers at blender.org>
> Sent: Tuesday, February 26, 2008 4:44 PM
> Subject: Re: [Bf-committers] BIH acceleration structure?
>> On Tue, Feb 26, 2008 at 12:37 PM, Yves Poissant <ypoissant2 at videotron.ca>
>> wrote:
>>> Thanks Brecht for the patch. I will start with that and optimize it. It
>>> is
>>> better to already have something to kick-start with, especially since 
>>> I'm
>>> new to the Blender source. When you say "that should work with the 
>>> latest
>>> svn". I guess that means the latest v2.50 branch. Right?
>> Actually I'm pretty sure he means head - what will be 2.46.. 2.50 has
>> almost nothing in it..
>> LetterRip
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