4 files changed, 9 insertions, 9 deletions
diff --git a/src/resources/atlas/atlasitem.h b/src/resources/atlas/atlasitem.h
index 3a9f05f8d..a5d4d9116 100644
--- a/src/resources/atlas/atlasitem.h
+++ b/src/resources/atlas/atlasitem.h
@@ -43,7 +43,7 @@ struct AtlasItem final : public MemoryCounter
 
     A_DELETE_COPY(AtlasItem)
 
-    int calcMemoryLocal() override final
+    int calcMemoryLocal() const override final
     {
         return sizeof(AtlasItem) +
             name.capacity();
diff --git a/src/resources/atlas/atlasresource.cpp b/src/resources/atlas/atlasresource.cpp
index d48394698..9ecc32692 100644
--- a/src/resources/atlas/atlasresource.cpp
+++ b/src/resources/atlas/atlasresource.cpp
@@ -71,17 +71,17 @@ void AtlasResource::decRef()
         AtlasManager::moveToDeleted(this);
 }
 
-int AtlasResource::calcMemoryLocal()
+int AtlasResource::calcMemoryLocal() const
 {
     return sizeof(AtlasResource) +
         Resource::calcMemoryLocal() +
         atlases.capacity() * sizeof(TextureAtlas*);
 }
 
-int AtlasResource::calcMemoryChilds(const int level)
+int AtlasResource::calcMemoryChilds(const int level) const
 {
     int sz = 0;
-    FOR_EACH (std::vector<TextureAtlas*>::iterator, it, atlases)
+    FOR_EACH (std::vector<TextureAtlas*>::const_iterator, it, atlases)
     {
         TextureAtlas *const atlas = *it;
         sz += atlas->calcMemory(level + 1);
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;
 };
diff --git a/src/resources/atlas/textureatlas.h b/src/resources/atlas/textureatlas.h
index aefa831d1..fce101f64 100644
--- a/src/resources/atlas/textureatlas.h
+++ b/src/resources/atlas/textureatlas.h
@@ -54,16 +54,16 @@ struct TextureAtlas final : public MemoryCounter
 
     A_DELETE_COPY(TextureAtlas)
 
-    int calcMemoryLocal() override final
+    int calcMemoryLocal() const override final
     {
         return sizeof(TextureAtlas) +
             items.capacity() * sizeof(AtlasItem*);
     }
 
-    int calcMemoryChilds(const int level) override final
+    int calcMemoryChilds(const int level) const override final
     {
         int sz = 0;
-        FOR_EACH (std::vector<AtlasItem*>::iterator, it, items)
+        FOR_EACH (std::vector<AtlasItem*>::const_iterator, it, items)
         {
             AtlasItem *const item = *it;
             sz += item->calcMemory(level + 1);