forked from mirror/vulkan-zig
73 lines
1.8 KiB
Zig
73 lines
1.8 KiB
Zig
// See https://www.khronos.org/registry/spir-v/specs/unified1/MachineReadableGrammar.html
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pub const Registry = union(enum) {
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core: CoreRegistry,
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extension: ExtensionRegistry,
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};
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pub const CoreRegistry = struct {
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copyright: [][]const u8,
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magic_number: []const u8, // Hexadecimal representation of the magic number
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major_version: u32,
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minor_version: u32,
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revision: u32,
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instructions: []Instruction,
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operand_kinds: []OperandKind,
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};
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pub const ExtensionRegistry = struct {
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copyright: [][]const u8,
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version: u32,
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minor_version: u32,
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revision: u32,
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instructions: []Instruction,
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operand_kinds: []OperandKind,
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};
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pub const Instruction = struct {
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opname: []const u8,
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opcode: u32,
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operands: []Operand = &[_]Operand{},
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capabilities: [][]const u8 = &[_][]const u8{},
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extensions: [][]const u8 = &[_][]const u8{},
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};
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pub const Operand = struct {
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kind: []const u8,
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/// Either
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/// - null: exactly once.
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/// - "?": zero or once.
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/// - "*": zero or more.
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quantifier: ?[]const u8 = null,
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name: []const u8 = "",
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};
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pub const OperandCategory = enum {
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// Note: non-canonical casing to match Spir-V JSON spec/
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BitEnum,
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ValueEnum,
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Id,
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Literal,
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Composite,
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};
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pub const OperandKind = struct {
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category: OperandCategory,
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kind: []const u8,
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doc: []const u8 = "",
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enumerants: ?[]Enumerant = null,
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bases: ?[]const []const u8 = null,
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};
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pub const Enumerant = struct {
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enumerant: []const u8,
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value: union(enum) {
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bitflag: []const u8, // Hexadecimal representation of the value
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int: u31,
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},
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capabilities: [][]const u8 = &[_][]const u8{},
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extensions: [][]const u8 = &[_][]const u8{}, // Valid for .ValueEnum
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parameters: []Operand = &[_]Operand{}, // `quantifier` will always be `null`.
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};
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