Mango Passionfruit Cheesecake Cake

Ingredients:

For the Cake:
4 large eggs, separated
3/4 cup granulated sugar, divided
1 tsp vanilla extract
1/2 cup cake flour
1/4 tsp salt
1/2 tsp baking powder
1 cup diced ripe mango (fresh or canned)
1/2 cup shredded coconut (optional)
Yellow food coloring (optional)
Powdered sugar, for dusting
For the Cheesecake Filling:
8 oz cream cheese, softened
1/2 cup powdered sugar
1 tsp vanilla extract
1 cup heavy cream
For the Passionfruit Topping:
1 cup passionfruit pulp (fresh or frozen)
1/4 cup granulated sugar
1 tbsp cornstarch
1/4 cup water