#version 410 core layout(vertices = 4) out; void main(void) { gl_TessLevelOuter[0] = 2.0; gl_TessLevelOuter[1] = 4.0; gl_TessLevelOuter[2] = 6.0; gl_TessLevelOuter[3] = 8.0; gl_TessLevelInner[0] = 8.0; gl_TessLevelInner[1] = 8.0; gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position; }