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Are attributes shared between programs?


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#1 link102   Members   -  Reputation: 252

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Posted 31 May 2013 - 09:36 AM

Hi GameDev,
 
I'm currently working on a game in OpenGL ES 2.0 (Android) and I've ran into a bit of an issue:
 
I have 2 meshes, both have their own shader object (code below). During initialization I upload the vertexdata (setPositionAttribute & setTextureAttribute). When it's time to draw though, I can only see the 2nd object. So I'm assuming the vertexdata from the 2nd object has replaced the vertexdata from the 1st.
 
Is this assumption (vertexdata is being shared by all program objects) correct?
Is there a way to separate the vertexdata or do I have to upload it each frame?
 
Edit: problem solved. I forgot to use VBOs. More info here


Edited by link102, 01 June 2013 - 06:29 PM.


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