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I don't really understand how to use the inin / outout keywords in GLSL, and google is being uncharacteristically unhelpful.

What exactly do they do? How would I use them if, for example, I want to pass a varying variable set per vertex to the fragment shader?

Literally every tutorial I find uses the varyingvarying / attributeattribute keywords and that's not helpful.

I don't really understand how to use the in / out keywords in GLSL, and google is being uncharacteristically unhelpful.

What exactly do they do? How would I use them if, for example, I want to pass a varying variable set per vertex to the fragment shader?

Literally every tutorial I find uses the varying / attribute keywords and that's not helpful.

I don't really understand how to use the in / out keywords in GLSL, and google is being uncharacteristically unhelpful.

What exactly do they do? How would I use them if, for example, I want to pass a varying variable set per vertex to the fragment shader?

Literally every tutorial I find uses the varying / attribute keywords and that's not helpful.

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occurred May 27, 2012 at 11:14

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asked May 26, 2012 at 20:55

in/out keywords in GLSL

I don't really understand how to use the in / out keywords in GLSL, and google is being uncharacteristically unhelpful.

What exactly do they do? How would I use them if, for example, I want to pass a varying variable set per vertex to the fragment shader?

Literally every tutorial I find uses the varying / attribute keywords and that's not helpful.

opengl glsl

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