impeller/fixtures/sample.comp - external/github.com/flutter/engine - Git at Google

 layout (local_size_x = 16, local_size_y = 16) in;

 void main(void) {
   // Do nothing.
 }
	layout (local_size_x = 16, local_size_y = 16) in;

	void main(void) {
	// Do nothing.
	}