layout(vertices=3) out;
in vec4 f_color[];
out vec4 fct[];
uniform mat4 mvp;

void main(){

	if(gl_InvocationID == 0){
		int tesslv = 8;
		if((mvp * gl_in[gl_InvocationID].gl_Position).z < 7){
			tesslv = 10;
		}
		if((mvp * gl_in[gl_InvocationID].gl_Position).z < 5){
			tesslv = 40;
		}
		gl_TessLevelOuter[0] = tesslv;
		gl_TessLevelOuter[1] = tesslv;
		gl_TessLevelOuter[2] = tesslv;
		gl_TessLevelInner[0] = tesslv;
	}

	gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position; // Possible to use synchronization
	fct[gl_InvocationID] = f_color[gl_InvocationID];
}