43 lines
1.5 KiB
Zig
43 lines
1.5 KiB
Zig
const std = @import("std");
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const ffi = @import("ffi.zig");
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const spv = ffi.spv;
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const Options = extern struct {
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use_simd_vectors_specializations: ffi.SpvCBool,
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};
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fn toCResult(err: spv.Module.ModuleError) ffi.Result {
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return switch (err) {
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spv.Module.ModuleError.InvalidSpirV => ffi.Result.InvalidSpirV,
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spv.Module.ModuleError.InvalidMagic => ffi.Result.InvalidMagic,
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spv.Module.ModuleError.UnsupportedEndianness => ffi.Result.UnsupportedEndianness,
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spv.Module.ModuleError.UnsupportedExtension => ffi.Result.UnsupportedExtension,
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spv.Module.ModuleError.OutOfMemory => ffi.Result.OutOfMemory,
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};
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}
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export fn SpvInitModule(module: **spv.Module, source: [*]const ffi.SpvCWord, source_len: ffi.SpvCSize, options: Options) callconv(.c) ffi.Result {
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const allocator = std.heap.c_allocator;
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module.* = allocator.create(spv.Module) catch return .OutOfMemory;
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const cast_source: []const u32 = @as([*]const u32, @ptrCast(source[0..source_len]))[0..source_len];
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module.*.* = spv.Module.init(
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allocator,
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cast_source[0..source_len],
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.{
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.use_simd_vectors_specializations = if (options.use_simd_vectors_specializations == 0) false else true,
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},
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) catch |err| {
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allocator.destroy(module.*);
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return toCResult(err);
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};
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return .Success;
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}
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export fn SpvDeinitModule(module: *spv.Module) callconv(.c) void {
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const allocator = std.heap.c_allocator;
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module.deinit(allocator);
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allocator.destroy(module);
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}
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