Update Files

Kha/Sources/kha/graphics4/VertexStructure.hx

@@ -0,0 +1,70 @@
+package kha.graphics4;
+
+class VertexStructure {
+	public var elements: Array<VertexElement>;
+	public var instanced: Bool;
+
+	public function new() {
+		elements = new Array<VertexElement>();
+		instanced = false;
+	}
+
+	public function add(name: String, data: VertexData) {
+		elements.push(new VertexElement(name, data));
+	}
+
+	@:keep
+	public function size(): Int {
+		return elements.length;
+	}
+
+	public function byteSize(): Int {
+		var byteSize = 0;
+
+		for (i in 0...elements.length) {
+			byteSize += dataByteSize(elements[i].data);
+		}
+
+		return byteSize;
+	}
+
+	public static function dataByteSize(data: VertexData): Int {
+		switch (data) {
+			case Float32_1X:
+				return 1 * 4;
+			case Float32_2X:
+				return 2 * 4;
+			case Float32_3X:
+				return 3 * 4;
+			case Float32_4X:
+				return 4 * 4;
+			case Float32_4X4:
+				return 4 * 4 * 4;
+			case Int8_1X, UInt8_1X, Int8_1X_Normalized, UInt8_1X_Normalized:
+				return 1 * 1;
+			case Int8_2X, UInt8_2X, Int8_2X_Normalized, UInt8_2X_Normalized:
+				return 2 * 1;
+			case Int8_4X, UInt8_4X, Int8_4X_Normalized, UInt8_4X_Normalized:
+				return 4 * 1;
+			case Int16_1X, UInt16_1X, Int16_1X_Normalized, UInt16_1X_Normalized:
+				return 1 * 2;
+			case Int16_2X, UInt16_2X, Int16_2X_Normalized, UInt16_2X_Normalized:
+				return 2 * 2;
+			case Int16_4X, UInt16_4X, Int16_4X_Normalized, UInt16_4X_Normalized:
+				return 4 * 2;
+			case Int32_1X, UInt32_1X:
+				return 1 * 4;
+			case Int32_2X, UInt32_2X:
+				return 2 * 4;
+			case Int32_3X, UInt32_3X:
+				return 3 * 4;
+			case Int32_4X, UInt32_4X:
+				return 4 * 4;
+		}
+	}
+
+	@:keep
+	public function get(index: Int): VertexElement {
+		return elements[index];
+	}
+}