perf(diagnostics): expose prepared asset source counters

src/AcDream.App/Composition/LivePresentationComposition.cs

@@ -901,7 +901,8 @@ internal sealed class LivePresentationCompositionPhase
                     foundation.Terrain,
                     foundation.SceneLighting,
                     foundation.MeshAdapter,
-                    foundation.TextureCache)
+                    foundation.TextureCache,
+                    content.PreparedAssets)
                 : null;
         var frameDiagnostics = new RenderFrameDiagnosticsController(
             new RuntimeRenderFrameTitleFactsSource(

src/AcDream.App/Rendering/RenderFrameDiagnosticSources.cs

@@ -2,6 +2,7 @@ using AcDream.App.Rendering.Vfx;
 using AcDream.App.Rendering.Wb;
 using AcDream.App.Streaming;
 using AcDream.App.World;
+using AcDream.Content;
 using AcDream.Core.Physics;
 using AcDream.Core.Vfx;
 using AcDream.Core.World;
@@ -61,6 +62,7 @@ internal sealed class RuntimeRenderFrameResourceDiagnosticsSource :
     private readonly SceneLightingUboBinding? _lighting;
     private readonly WbMeshAdapter? _meshes;
     private readonly TextureCache? _textures;
+    private readonly IPreparedAssetSource? _preparedAssets;
 
     public RuntimeRenderFrameResourceDiagnosticsSource(
         ParticleSystem? particles,
@@ -74,7 +76,8 @@ internal sealed class RuntimeRenderFrameResourceDiagnosticsSource :
         TerrainModernRenderer? terrain,
         SceneLightingUboBinding? lighting,
         WbMeshAdapter? meshes,
-        TextureCache? textures)
+        TextureCache? textures,
+        IPreparedAssetSource? preparedAssets)
     {
         _particles = particles;
         _particleBindings = particleBindings;
@@ -88,6 +91,7 @@ internal sealed class RuntimeRenderFrameResourceDiagnosticsSource :
         _lighting = lighting;
         _meshes = meshes;
         _textures = textures;
+        _preparedAssets = preparedAssets;
     }
 
     public RenderFrameResourceDiagnosticsSnapshot Capture()
@@ -98,6 +102,8 @@ internal sealed class RuntimeRenderFrameResourceDiagnosticsSource :
         var mesh = meshManager?.Diagnostics ?? default;
         var globalMesh = meshManager?.GlobalBuffer;
         var cpuMesh = _meshes?.CpuMeshCacheDiagnostics ?? default;
+        PreparedAssetSourceStats prepared =
+            _preparedAssets?.Stats ?? default;
         GCMemoryInfo gc = GC.GetGCMemoryInfo();
 
         return new RenderFrameResourceDiagnosticsSnapshot(
@@ -141,7 +147,12 @@ internal sealed class RuntimeRenderFrameResourceDiagnosticsSource :
                 _meshes?.LastMipmapBytes ?? 0,
                 globalMesh?.CapacityBytes ?? 0,
                 globalMesh?.PhysicalCapacityBytes ?? 0,
-                globalMesh?.IsMigrationInProgress ?? false),
+                globalMesh?.IsMigrationInProgress ?? false,
+                prepared.Probes,
+                prepared.Reads,
+                prepared.Loaded,
+                prepared.Missing,
+                prepared.Corrupt),
             new TextureStreamResourceDiagnostics(
                 _textures?.OwnedBindlessTextureCount ?? 0,
                 _textures?.TextureOwnerCount ?? 0,

src/AcDream.App/Rendering/RenderFrameDiagnosticsController.cs

@@ -95,7 +95,12 @@ internal readonly record struct MeshStreamResourceDiagnostics(
     long FrameMipmapBytes,
     long GlobalCapacityBytes,
     long GlobalPhysicalCapacityBytes,
-    bool GlobalMigrationInProgress);
+    bool GlobalMigrationInProgress,
+    long PreparedProbes,
+    long PreparedReads,
+    long PreparedLoaded,
+    long PreparedMissing,
+    long PreparedCorrupt);
 
 internal readonly record struct TextureStreamResourceDiagnostics(
     int OwnedBindlessTextures,
@@ -254,6 +259,8 @@ internal sealed class RenderFrameDiagnosticsController :
             + $"mipmapFrame={mesh.FrameMipmapArrayCount}/{mesh.FrameMipmapBytes} "
             + $"meshCap={mesh.GlobalCapacityBytes} "
             + $"meshPhys={mesh.GlobalPhysicalCapacityBytes}/{mesh.GlobalMigrationInProgress} "
+            + $"prepared={mesh.PreparedProbes}/{mesh.PreparedReads}/"
+            + $"{mesh.PreparedLoaded}/{mesh.PreparedMissing}/{mesh.PreparedCorrupt} "
             + $"gpuTrack={process.TrackedGpuBytes}/{process.TrackedGpuBuffers}/"
             + $"{process.TrackedGpuTextures} "
             + $"managed={process.ManagedBytes}/{process.ManagedCommittedBytes} "