#version 150 core

layout (triangles) in;
layout (triangle_strip, max_vertices=18) out;

struct Matrix {
	mat4 matrix;
};

uniform u_Matrices {
	Matrix matrices[6];
};

out vec4 FragPos;

void main() {
	for (int face = 0; face < 6; face++) {
		gl_Layer = face;
		
		for (int i = 0; i < 3; i++) {
			FragPos = gl_in[i].gl_Position;
			gl_Position = matrices[face].matrix * FragPos;
			EmitVertex();
		}
		
		EndPrimitive();
	}
}