渲染后端加入

xmake.lua

@@ -0,0 +1,29 @@
+set_project("Frostbite2D")
+set_version("1.0.0")
+set_license("MIT")
+
+-- 语言和编码设置
+set_languages("c++17")
+set_encodings("utf-8")
+
+add_rules("mode.debug", "mode.release")
+
+local host_plat = os.host()
+local target_plat = get_config("plat") or host_plat
+local supported_plats = {mingw = true, windows = true, linux = true, macosx = true, switch = true}
+
+-- 自动选择平台
+if not supported_plats[target_plat] then
+    raise("Unsupported platform: " .. target_plat .. ". Supported platforms: mingw, windows, linux, macosx, switch")
+end
+
+
+-- 引入对应平台的配置文件
+local platform_config_file = "platform/" .. target_plat .. ".lua"
+if os.isfile(platform_config_file) then
+    includes(platform_config_file)
+else
+    print("Platform config file not found: " .. platform_config_file)
+end
+
+