Re: [Opensg-users] How to set shader parameter to vec3 array?

Thu, 03 Dec 2009 06:05:54 -0800

Hi,

Dirk Reiners wrote: 
	Hi Anne,

Anne Braun wrote:
  
Hey Daniel,

thanks for your hint. Using your little trick, I was able to debug my 
fragment shader.

The working code looks like this:
MFVec3f parameters = MFVec3f(); <- without specifying the field size!!!
    

Ah! Sorry we missed that one.

Yes, passing in the size will set the actual size to 3, not just reserve 3 
elements. So your push_backs were put into elements 3, 4 and 5, and you got 
uninitialized data into the shader in 0, 1 and 2.
That's new to me, too. Thanks for the explanation!
Thanks to Daniel for the hint!
Always happy to help. ;)

Daniel

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