[Feat] (MG_Backend/DirectVulkan): support macOS Metal surfaces

tools/trace_replay/macos_cgs_surface_bounds.cpp

@@ -0,0 +1,24 @@
+#include <Carbon/Carbon.h>
+
+using CGSConnectionID = void*;
+using CGSSurfaceID = int;
+
+extern "C" bool mobilegl_trace_get_drawable_bounds(int* width, int* height);
+
+extern "C" OSStatus CGSGetSurfaceBounds(CGSConnectionID, CGWindowID, CGSSurfaceID, CGRect* rect) {
+    if (rect == nullptr) {
+        return -1;
+    }
+
+    int width = 0;
+    int height = 0;
+    if (!mobilegl_trace_get_drawable_bounds(&width, &height) || width <= 0 || height <= 0) {
+        return -1;
+    }
+
+    rect->origin.x = 0.0;
+    rect->origin.y = 0.0;
+    rect->size.width = static_cast<CGFloat>(width);
+    rect->size.height = static_cast<CGFloat>(height);
+    return 0;
+}