From c9f454509f2d0305b9ebfcb2b56435cf4c135a3b Mon Sep 17 00:00:00 2001
From: Dmitry Stepanov <d1maxa@yandex.ru>
Date: Sat, 4 Jul 2026 21:03:33 +0300
Subject: [PATCH] print dynamic surface cache stats

---
 fyrox-impl/src/renderer/cache/mod.rs | 4 ++++
 fyrox-impl/src/renderer/mod.rs       | 1 +
 fyrox-impl/src/renderer/stats.rs     | 5 +++++
 3 files changed, 10 insertions(+)

diff --git a/fyrox-impl/src/renderer/cache/mod.rs b/fyrox-impl/src/renderer/cache/mod.rs
index f57515e25..6861b45f9 100644
--- a/fyrox-impl/src/renderer/cache/mod.rs
+++ b/fyrox-impl/src/renderer/cache/mod.rs
@@ -277,6 +277,10 @@ impl DynamicSurfaceCache {
         }
     }
 
+    pub fn alive_count(&self) -> usize {
+        self.cache.len()
+    }
+
     /// Clears the surfaces in the cache, does **not** clear the cache itself.
     pub fn clear(&mut self) {
         for surface in self.cache.values_mut() {
diff --git a/fyrox-impl/src/renderer/mod.rs b/fyrox-impl/src/renderer/mod.rs
index f3e645a72..0e89a3f2c 100644
--- a/fyrox-impl/src/renderer/mod.rs
+++ b/fyrox-impl/src/renderer/mod.rs
@@ -1447,6 +1447,7 @@ impl Renderer {
         self.statistics.texture_cache_size = self.texture_cache.alive_count();
         self.statistics.shader_cache_size = self.shader_cache.alive_count();
         self.statistics.uniform_buffer_cache_size = self.uniform_buffer_cache.alive_count();
+        self.statistics.dynamic_surface_cache_size = self.dynamic_surface_cache.alive_count();
 
         Ok(())
     }
diff --git a/fyrox-impl/src/renderer/stats.rs b/fyrox-impl/src/renderer/stats.rs
index 3a5ae1531..8ffd51b01 100644
--- a/fyrox-impl/src/renderer/stats.rs
+++ b/fyrox-impl/src/renderer/stats.rs
@@ -144,6 +144,8 @@ pub struct Statistics {
     pub texture_cache_size: usize,
     /// The total number of vertex+index buffers pairs in the geometry cache.
     pub geometry_cache_size: usize,
+    /// The total number of cached dynamic buffers.
+    pub dynamic_surface_cache_size: usize,
     /// The total number of shaders in the shaders cache.
     pub shader_cache_size: usize,
     /// The total number of uniform buffers in the cache.
@@ -171,6 +173,7 @@ impl Display for Statistics {
         let pipeline_stats = &self.pipeline;
         let texture_cache_size = self.texture_cache_size;
         let geometry_cache_size = self.geometry_cache_size;
+        let dynamic_surface_cache_size = self.dynamic_surface_cache_size;
         let shader_cache_size = self.shader_cache_size;
         let uniform_buffer_cache_size = self.uniform_buffer_cache_size;
         write!(
@@ -183,6 +186,7 @@ impl Display for Statistics {
             {pipeline_stats}\n\
             Texture Cache Size: {texture_cache_size}\n\
             Geometry Cache Size: {geometry_cache_size}\n\
+            Dynamic Surface Cache Size: {dynamic_surface_cache_size}\n\
             Shader Cache Size: {shader_cache_size}\n
             Uniform Buffer Cache Size: {uniform_buffer_cache_size}\n",
         )
@@ -206,6 +210,7 @@ impl Default for Statistics {
             frames_per_second: 0,
             texture_cache_size: 0,
             geometry_cache_size: 0,
+            dynamic_surface_cache_size: 0,
             shader_cache_size: 0,
             uniform_buffer_cache_size: 0,
             frame_counter: 0,