Giovanni Mascellani (@giomasce) commented about libs/vkd3d-shader/dxil.c:
+ FIXME("Unhandled non-scalar type class %u and/or %u.\n", from->class, to->class); + vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND, + "Cast of non-scalar types is not implemented."); + /* width is not available for non-scalar types so we can't attempt to compile it. */ + return VKD3DSIH_INVALID; + } + if (to->u.width == 8 || from->u.width == 8) + { + FIXME("Unhandled 8-bit value.\n"); + vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND, + "Cast to/from an 8-bit type is not implemented."); + return VKD3DSIH_INVALID; + } + + from_int = sm6_type_is_integer(from); + to_int = sm6_type_is_integer(to); Maybe we should validate that if types are not integers, then they are floating point?
-- https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/436#note_51291