--- deliantra/Deliantra-Client/rendercache.c	2018/11/18 03:10:35	1.12
+++ deliantra/Deliantra-Client/rendercache.c	2018/11/19 01:37:28	1.16
@@ -1,5 +1,7 @@
 #include <vector>
 
+#include "salloc.h"
+
 struct rc_key_t
 {
    GLenum mode;
@@ -39,9 +41,9 @@
   };
 
   struct array_t
-  : std::vector<uint8_t>
+  : std::vector<uint8_t, slice_allocator<uint8_t>>
   {
-    using std::vector<uint8_t>::vector;
+    using std::vector<uint8_t, slice_allocator<uint8_t>>::vector;
 
     template<typename T>
     T &append ()
@@ -84,10 +86,12 @@
     }
   };
 
-  ska::flat_hash_map<rc_key_t, array_t> h;
+  int drawcount = 0;
+  ska::flat_hash_map<rc_key_t, array_t, std::hash<rc_key_t>, std::equal_to<rc_key_t>, slice_allocator<rc_key_t>> h;
 
   void clear ()
   {
+    drawcount = 0;
     h.clear ();
   }
 
@@ -128,7 +132,7 @@
         else
           {
             // optimised character quad storage. slower but nice on memory.
-            // reduces storage requirements from 80 bytes/char to 6-8
+            // reduces storage requirements from 80 bytes/char to 8
             auto *c = (glyph_data *) arr.data ();
             auto *e = (glyph_data *)(arr.data () + arr.size ());
 
@@ -149,6 +153,10 @@
       }
 
     glDisable (GL_TEXTURE_2D);
+
+    if (ecb_expect_false (++drawcount == 16))
+      for (auto &&it = h.begin (); it != h.end (); ++it)
+        it->second.shrink_to_fit ();
   }
 };