Started working towards supporting all the splits

Resources/Shaders/Vulkan/shading.vert

@@ -38,8 +38,8 @@ struct Light
     float outerConeAngle;
     float innerConeAngle;
     bool castShadow;
-    int shadowMapTextureId;
-    int transformId;
+    int shadowMapTextureId[4];
+    int transformId[4];
 };
 
 [[vk::binding(0, 6)]]
@@ -67,6 +67,7 @@ struct ShadingPushConstant
     int MaterialInputTextureId;
     int LightCount;
     int CameraID;
+    float cascadeDepth[4];
 };
 
 [[vk::push_constant]]