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// geometry shader

#extension EXT_gpu_shader4 : require

varying in vec4 blocker[1];

varying out vec4 blocking_potential;

void main()

{

gl_Position = vec4(gl_PositionIn[0].xy * 2.0 - 1.0, 0.0, 1.0);

gl_Layer = int(gl_PositionIn[0].z);

gl_PointSize = 1;

blocking_potential = blocker[0];

EmitVertex();

EndPrimitive();

}