Make memory profiling optional

Author: mihe

SConstruct

@@ -215,6 +215,14 @@ opts.Add(
         False,
     )
 )
+opts.Add(
+    BoolVariable(
+        "profiler_track_memory",
+        "Profile memory allocations, if the profiler supports it.",
+        True,
+    )
+)
+
 
 # Advanced options
 opts.Add(

core/profiling/SCsub

@@ -65,6 +65,8 @@ if env["profiler"]:
 
             # 62 is the maximum supported callstack depth reported by the tracy docs.
             env_tracy.Append(CPPDEFINES=[("TRACY_CALLSTACK", 62)])
+        if env["profiler_track_memory"]:
+            env_tracy.Append(CPPDEFINES=["GODOT_PROFILER_TRACK_MEMORY"])
         env_tracy.disable_warnings()
         env_tracy.add_source_files(env.core_sources, str((profiler_path / "TracyClient.cpp").absolute()))
     elif env["profiler"] == "perfetto":
@@ -85,4 +87,8 @@ elif env["profiler_path"]:
     print("profiler is required if profiler_path is set. Aborting.")
     Exit(255)
 
-env.CommandNoCache("profiling.gen.h", [env.Value(env["profiler"])], env.Run(profiling_builders.profiler_gen_builder))
+env.CommandNoCache(
+    "profiling.gen.h",
+    [env.Value(env["profiler"]), env.Value(env["profiler_sample_callstack"]), env.Value(env["profiler_track_memory"])],
+    env.Run(profiling_builders.profiler_gen_builder),
+)

core/profiling/profiling.h

@@ -76,8 +76,13 @@ const tracy::SourceLocationData *intern_source_location(const void *p_function_p
 	tracy::ScopedZone __godot_tracy_zone_##m_group_name(TracyInternal::intern_source_location(m_ptr, m_file, m_function, m_line))
 
 // Memory allocation
+#ifdef GODOT_PROFILER_TRACK_MEMORY
 #define GodotProfileAlloc(m_ptr, m_size) TracyAlloc(m_ptr, m_size)
 #define GodotProfileFree(m_ptr) TracyFree(m_ptr)
+#else
+#define GodotProfileAlloc(m_ptr, m_size)
+#define GodotProfileFree(m_ptr)
+#endif
 
 void godot_init_profiler();
 void godot_cleanup_profiler();

core/profiling/profiling_builders.py

@@ -9,6 +9,8 @@ def profiler_gen_builder(target, source, env):
             file.write("#define GODOT_USE_TRACY\n")
             if env["profiler_sample_callstack"]:
                 file.write("#define TRACY_CALLSTACK 62\n")
+            if env["profiler_track_memory"]:
+                file.write("#define GODOT_PROFILER_TRACK_MEMORY\n")
         if env["profiler"] == "perfetto":
             file.write("#define GODOT_USE_PERFETTO\n")
         if env["profiler"] == "instruments":