adding backend agnostic IR

2026-07-20 22:07:41 +02:00
parent 2375abf688
commit 9b1b223186
70 changed files with 7358 additions and 250 deletions
@@ -0,0 +1,169 @@
+pub const magic_number: u32 = 0x07230203;
+pub const byte_swapped_magic_number: u32 = 0x03022307;
+pub const header_word_count: usize = 5;
+
+pub const Opcode = enum(u32) {
+    nop = 0,
+    undef = 1,
+    name = 5,
+    member_name = 6,
+    string = 7,
+    line = 8,
+    extension = 10,
+    ext_inst_import = 11,
+    ext_inst = 12,
+    memory_model = 14,
+    entry_point = 15,
+    execution_mode = 16,
+    capability = 17,
+
+    type_void = 19,
+    type_bool = 20,
+    type_int = 21,
+    type_float = 22,
+    type_vector = 23,
+    type_matrix = 24,
+    type_image = 25,
+    type_sampler = 26,
+    type_sampled_image = 27,
+    type_array = 28,
+    type_runtime_array = 29,
+    type_struct = 30,
+    type_opaque = 31,
+    type_pointer = 32,
+    type_function = 33,
+
+    constant_true = 41,
+    constant_false = 42,
+    constant = 43,
+    constant_composite = 44,
+    constant_null = 46,
+    spec_constant_true = 48,
+    spec_constant_false = 49,
+    spec_constant = 50,
+    spec_constant_composite = 51,
+    spec_constant_op = 52,
+
+    function = 54,
+    function_parameter = 55,
+    function_end = 56,
+    function_call = 57,
+    variable = 59,
+    load = 61,
+    store = 62,
+    access_chain = 65,
+
+    decorate = 71,
+    member_decorate = 72,
+    vector_shuffle = 79,
+    composite_construct = 80,
+    composite_extract = 81,
+    composite_insert = 82,
+    copy_object = 83,
+
+    convert_f_to_u = 109,
+    convert_f_to_s = 110,
+    convert_s_to_f = 111,
+    convert_u_to_f = 112,
+    u_convert = 113,
+    s_convert = 114,
+    f_convert = 115,
+    bitcast = 124,
+
+    s_negate = 126,
+    f_negate = 127,
+    i_add = 128,
+    f_add = 129,
+    i_sub = 130,
+    f_sub = 131,
+    i_mul = 132,
+    f_mul = 133,
+    u_div = 134,
+    s_div = 135,
+    f_div = 136,
+    u_mod = 137,
+    s_rem = 138,
+    s_mod = 139,
+    f_rem = 140,
+    f_mod = 141,
+    shift_right_logical = 194,
+    shift_right_arithmetic = 195,
+    shift_left_logical = 196,
+    bitwise_or = 197,
+    bitwise_xor = 198,
+    bitwise_and = 199,
+    logical_equal = 164,
+    logical_not_equal = 165,
+    logical_or = 166,
+    logical_and = 167,
+    logical_not = 168,
+    select = 169,
+    i_equal = 170,
+    i_not_equal = 171,
+    u_less_than = 176,
+    s_less_than = 177,
+    f_ord_equal = 180,
+    f_unord_equal = 181,
+    f_ord_not_equal = 182,
+    f_unord_not_equal = 183,
+    f_ord_less_than = 184,
+    f_unord_less_than = 185,
+
+    phi = 245,
+    loop_merge = 246,
+    selection_merge = 247,
+    label = 248,
+    branch = 249,
+    branch_conditional = 250,
+    @"switch" = 251,
+    kill = 252,
+    return_ = 253,
+    return_value = 254,
+    @"unreachable" = 255,
+    no_line = 317,
+
+    _,
+};
+
+pub const ExecutionModel = enum(u32) {
+    vertex = 0,
+    tessellation_control = 1,
+    tessellation_evaluation = 2,
+    geometry = 3,
+    fragment = 4,
+    gl_compute = 5,
+    kernel = 6,
+    _,
+};
+
+pub const StorageClass = enum(u32) {
+    uniform_constant = 0,
+    input = 1,
+    uniform = 2,
+    output = 3,
+    workgroup = 4,
+    cross_workgroup = 5,
+    private = 6,
+    function = 7,
+    generic = 8,
+    push_constant = 9,
+    atomic_counter = 10,
+    image = 11,
+    storage_buffer = 12,
+    physical_storage_buffer = 5349,
+    _,
+};
+
+pub const ExecutionMode = enum(u32) {
+    early_fragment_tests = 9,
+    local_size = 17,
+    _,
+};
+
+pub const Decoration = enum(u32) {
+    built_in = 11,
+    location = 30,
+    component = 31,
+    index = 32,
+    _,
+};