shaders/tuc: output stats every few seconds

1 files changed, 10 insertions, 4 deletions

diff --git a/shaders/texture-unit-cache.hpp b/shaders/texture-unit-cache.hpp
index 2647ea8c..5f09ecb9 100644
--- a/shaders/texture-unit-cache.hpp
+++ b/shaders/texture-unit-cache.hpp
@@ -11,6 +11,8 @@ struct texture_unit_cache final
     fm_DECLARE_DELETED_COPY_ASSIGNMENT(texture_unit_cache);
     fm_DECLARE_DEFAULT_MOVE_ASSIGNMENT_(texture_unit_cache);
 
+    struct statistics { size_t cache_hit, cache_miss; };
+
     texture_unit_cache();
 
     [[nodiscard]] int32_t bind(GL::AbstractTexture* ptr);
@@ -18,17 +20,21 @@ struct texture_unit_cache final
     void invalidate();
     void lock(size_t i, GL::AbstractTexture* = (GL::AbstractTexture*)-1);
     void lock(size_t i, GL::AbstractTexture& tex) { lock(i, &tex); }
-    void unlock(size_t i, bool immediately = true);
+    void unlock(size_t i, bool reuse_immediately = true);
 
     size_t reuse_count() const { return cache_hit_count; }
-    size_t bind_count() const { return rebind_count; }
-    void reset_stats() { rebind_count = cache_hit_count = 0; }
+    size_t bind_count() const { return cache_miss_count; }
+
+    void output_stats() const;
+    statistics stats() const { return statistics { cache_hit_count, cache_miss_count }; }
+
+    void reset_stats() { cache_miss_count = cache_hit_count = 0; }
 
 private:
     static size_t get_unit_count();
     struct unit_data;
 
-    size_t unit_count, lru_counter = 0, rebind_count = 0, cache_hit_count = 0;
+    size_t unit_count, lru_counter = 0, cache_miss_count = 0, cache_hit_count = 0;
     Array<unit_data> units;
 };