Add memory count functions into MapLayer and SpecailLayer.

Also change all memory count functions into const methods.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/resources/atlas/atlasresource.h b/src/resources/atlas/atlasresource.h
index 7dddc6728..5753c77e3 100644
--- a/src/resources/atlas/atlasresource.h
+++ b/src/resources/atlas/atlasresource.h
@@ -44,9 +44,9 @@ class AtlasResource final : public Resource
 
         void decRef() override final;
 
-        int calcMemoryLocal() override final;
+        int calcMemoryLocal() const override final;
 
-        int calcMemoryChilds(const int level) override final;
+        int calcMemoryChilds(const int level) const override final;
 
         std::vector<TextureAtlas*> atlases;
 };