From 1220cf6e7af3b99390d636803f1462f8df8baa16 Mon Sep 17 00:00:00 2001
From: Sven Balzer <4653051+Kyuusokuna@users.noreply.github.com>
Date: Sun, 16 Mar 2025 12:10:00 +0100
Subject: [PATCH] add tracy memory tracking to SDL

---
 src/main.cpp | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/src/main.cpp b/src/main.cpp
index b7deac5..df7e43e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -626,7 +626,44 @@ V2 get_floor_intersection_of_mouse(V2 mouse_pos) {
     return floor_intersection.xy;
 }
 
+#ifdef TRACY_ENABLE
+SDL_malloc_func  sdl_malloc  = NULL;
+SDL_calloc_func  sdl_calloc  = NULL;
+SDL_realloc_func sdl_realloc = NULL;
+SDL_free_func    sdl_free    = NULL;
+
+void setup_memory_functions() {
+    SDL_GetMemoryFunctions(&sdl_malloc, &sdl_calloc, &sdl_realloc, &sdl_free);
+    SDL_SetMemoryFunctions(
+        [](size_t size) -> void * {
+            void *result = sdl_malloc(size);
+            TracyAllocN(result, size, "SDL");
+            return result;
+        },
+        [](size_t nmemb, size_t size) -> void * {
+            void *result = sdl_calloc(nmemb, size);
+            TracyAllocN(result, nmemb * size, "SDL");
+            return result;
+        },
+        [](void *mem, size_t size) -> void * {
+            void *result = sdl_realloc(mem, size);
+            TracyFreeN(mem, "SDL");
+            TracyAllocN(result, size, "SDL");
+            return result;
+        },
+        [](void *mem) {
+            TracyFreeN(mem, "SDL");
+            sdl_free(mem);
+        }
+    );
+}
+#else
+void setup_memory_functions() {}
+#endif
+
 int main(int argc, char **argv) {
+    setup_memory_functions();
+
     load_map();
 
     #ifdef SDL_PLATFORM_LINUX