Optimize Global Surface Atlas defragmenting to just reset tiles, not whole objects list

2024-06-21 23:01:32 +02:00
parent 4d0d08f245
commit 3b3cd5ade4
1 changed files with 8 additions and 1 deletions
--- a/Source/Engine/Renderer/GI/GlobalSurfaceAtlasPass.cpp
+++ b/Source/Engine/Renderer/GI/GlobalSurfaceAtlasPass.cpp
@@ -268,7 +268,14 @@ public:
                (float)AtlasPixelsUsed / AtlasPixelsTotal < maxUsageToDefrag)
            {
                PROFILE_CPU_NAMED("Defragment Atlas");
-                ClearObjects();
+                LastFrameAtlasDefragmentation = Engine::FrameCount;
+                for (auto& e : Objects)
+                {
+                    auto& object = e.Value;
+                    Platform::MemoryClear(object.Tiles, sizeof(object.Tiles));
+                }
+                Atlas.Clear();
+                AtlasPixelsUsed = 0;
            }
        }