forked from LeenkxTeam/LNXSDK
53 lines
1.6 KiB
Haxe
53 lines
1.6 KiB
Haxe
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package iron.data;
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#if js
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class Wasm {
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public var exports: Dynamic;
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public static inline function instance(blob: kha.Blob, importObject: Dynamic = null): Wasm {
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var data = blob.toBytes().getData();
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var module = new js.lib.webassembly.Module(data);
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var exports: Dynamic = importObject == null ?
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new js.lib.webassembly.Instance(module).exports :
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new js.lib.webassembly.Instance(module, importObject).exports;
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return new Wasm(exports);
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}
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#if kha_html5_js
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public static function instantiateStreaming(blob: kha.Blob, importObject: Dynamic = null, done: Wasm->Void) {
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js.lib.WebAssembly.instantiateStreaming(new js.html.Response(blob.toBytes().getData(), {
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headers: new js.html.Headers({"Content-Type": "application/wasm"})
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}), importObject).then(m -> done(new Wasm(m.instance.exports)));
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}
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#end
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function new(exports: Dynamic) {
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this.exports = exports;
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}
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public function getString(i: Int): String { // Retrieve string from memory pointer
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var mem = getMemory(i, 32);
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var s = "";
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for (i in 0...32) {
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mem[i] == 0 ? break : s += String.fromCharCode(mem[i]);
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}
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return s;
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}
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public inline function getMemory(offset: Int, length: Int): js.lib.Uint8Array {
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return new js.lib.Uint8Array(exports.memory.buffer, offset, length);
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}
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public inline function getMemoryF32(offset: Int, length: Int): kha.arrays.Float32Array {
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return new kha.arrays.Float32Array(exports.memory.buffer).subarray( offset, length );
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}
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public inline function getMemoryU32(offset: Int, length: Int): kha.arrays.Uint32Array {
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return new kha.arrays.Uint32Array(exports.memory.buffer).subarray(offset, length);
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}
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}
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#end
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