1#version 310 es 2 3in mediump float ps; 4 5invariant gl_Position; 6 7void main() 8{ 9 gl_Position = vec4(ps); 10 gl_Position *= float(4 - gl_VertexIndex); 11 12 gl_PointSize = ps; 13 gl_PointSize *= float(5 - gl_InstanceIndex); 14} 15