#version 330
varying mat4 mvp;
in vec4 v;
in mat3 am3;
in mat4 arraym[3];
out float f;
out vec4 glPos;
//out mat4 mout[2];
void main()
{
//needs complex output blocks to work: gl_Position = mvp * v;
glPos = mvp * v;
f = am3[2][1] + arraym[1][2][3];
//mout[1] = arraym[2];
}