Update Files

Kha/Backends/Krom/kha/graphics4/IndexBuffer.hx

@@ -0,0 +1,42 @@
+package kha.graphics4;
+
+import kha.arrays.Uint32Array;
+import kha.graphics4.Usage;
+
+class IndexBuffer {
+	public var _data: Uint32Array;
+
+	var buffer: Dynamic;
+	var indexCount: Int;
+
+	public function new(indexCount: Int, usage: Usage, canRead: Bool = false) {
+		this.indexCount = indexCount;
+		buffer = Krom.createIndexBuffer(indexCount);
+	}
+
+	public function delete() {
+		Krom.deleteIndexBuffer(buffer);
+		buffer = null;
+	}
+
+	public function lock(?start: Int, ?count: Int): Uint32Array {
+		_data = Krom.lockIndexBuffer(buffer);
+		if (start == null)
+			start = 0;
+		if (count == null)
+			count = indexCount;
+		return _data.subarray(start, start + count);
+	}
+
+	public function unlock(?count: Int): Void {
+		Krom.unlockIndexBuffer(buffer);
+	}
+
+	public function set(): Void {
+		Krom.setIndexBuffer(buffer);
+	}
+
+	public function count(): Int {
+		return indexCount;
+	}
+}