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GLSL: out array size too large?

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I'm trying to use this: out vec3 TangentLightPos[48];

the shader compiler is saying it's too large.

How do I get around this?

Should I be using Buffer Objects?

 

It's for parallax self shadowing with multiple lights, I have fixed my parallax, normal mapping & shadows in my engine but need parallax self shadowing too:

parallax3.jpg

parallax2.jpg

parallax.jpg

 

 

Thanks.

Edited by paulgriffiths

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 Found the answer with storage buffer objects:

layout(std430, binding = 0) buffer ssbo
{
    vec3 TangentLightPos[];
};
set easely like:
 
for (int i = 0; i < totalLights; i++)
  TangentLightPos[i]  = ...
Think this is the way to go as I'm using opengl 4.3 anyways.
Edited by paulgriffiths

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