ins and outs 2 Each shader can specify inputs and outputs using those keywords and wherever an output variable matches with an input variable of the next shader stage they're passed along. The vertex and fragment shader differ a bit though
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Components of a vector can be accessed via vec.xwhere x is the first component of the vector. You can use .x, .y, .z and .w to access their first, second, third and fourth component respectively. GLSL also allows you to use rgba for colors or stpq for texture coordinates, accessing the same components.
Every dollar of tax imposed on our exchanges in the shape of duties impairs, to that extent, our capacity to meet the severe competition to which we are exposed; and nothing but a system of high protective duties, long continued, can prevent us from meeting it successfully. It is that which we have to fear.
What a lot of people don't realise about me is that I have no idea what's going on in the media. I don't pay any attention to it, as I consider it mind pollution. The last time I touched a computer was in 2001, and my phone is too old to use the Internet. I just don't enter into it at all on any level.