Update Files

Kha/Backends/HTML5-Worker/kha/graphics4/IndexBuffer.hx

@@ -0,0 +1,51 @@
+package kha.graphics4;
+
+import kha.arrays.Uint32Array;
+import kha.graphics4.Usage;
+
+class IndexBuffer {
+	static var lastId: Int = -1;
+
+	public var _id: Int;
+	public var _data: Uint32Array;
+
+	var mySize: Int;
+	var usage: Usage;
+	var lockStart: Int = 0;
+	var lockEnd: Int = 0;
+
+	public function new(indexCount: Int, usage: Usage, canRead: Bool = false) {
+		this.usage = usage;
+		mySize = indexCount;
+		_data = new Uint32Array(indexCount);
+		_id = ++lastId;
+		Worker.postMessage({
+			command: 'createIndexBuffer',
+			id: _id,
+			size: indexCount,
+			usage: usage
+		});
+	}
+
+	public function delete(): Void {
+		_data = null;
+	}
+
+	public function lock(?start: Int, ?count: Int): Uint32Array {
+		lockStart = start != null ? start : 0;
+		lockEnd = count != null ? start + count : mySize;
+		return _data.subarray(lockStart, lockEnd);
+	}
+
+	public function unlock(?count: Int): Void {
+		if (count != null)
+			lockEnd = lockStart + count;
+		Worker.postMessage({command: 'updateIndexBuffer', id: _id, data: _data.subarray(lockStart, lockEnd).buffer});
+	}
+
+	public function set(): Void {}
+
+	public function count(): Int {
+		return mySize;
+	}
+}