4 // require_extensions: GL_ARB_compute_shader
7 // From the ARB_compute_shader spec:
9 // Compute shaders have no built-in output variables, do not
10 // support user-defined output variables and do not form a formal
11 // interface with any other shader stage.
14 #extension GL_ARB_compute_shader: enable
16 layout(local_size_x = 1) in;