4 // require_extensions: GL_ARB_shader_storage_buffer_object
8 #extension GL_ARB_shader_storage_buffer_object: require
10 /* From the GL_ARB_shader_storage_buffer_object spec:
12 * "The "buffer" qualifier can be used with any of the basic data types, or
13 * when declaring a variable whose type is a structure, or an array of any of
22 return texture2D(s, vec2(0.0));