-- v3: vkd3d-shader/dxil: Implement DX instruction Barrier. vkd3d-shader/spirv: Emit a trace message if TGSM alignment is ignored. vkd3d-shader/dxil: Implement structured groupshared address space global variables. vkd3d-shader/dxil: Implement raw groupshared address space global variables. vkd3d-shader/spirv: Support zero-initialisation for workgroup memory.