https://github.com/chaoticbob/GraphicsExperiments/blob/48695402c9b0870d623926eb4d1a9a26a984347b/projects/geometry/111_mesh_shader_meshlets_vulkan/111_mesh_shader_meshlets_vulkan.cpp#L81 Typo in the error output string, you say "Shader compiler error (VS)" but it should be "Shader compiler error (MS)"