Add a low FPS callback to aid in debugging, and fix a huge memory leak in akgl_text_rendertextat

src/game.c

@@ -30,6 +30,12 @@ MIX_Track *akgl_tracks[AKGL_GAME_AUDIO_MAX_TRACKS];
 SDL_FRect camera;
 akgl_Game game;
 
+void akgl_game_lowfps(void)
+{
+    SDL_Log("Low FPS! %d", game.fps);
+    return;
+}
+
 akerr_ErrorContext AKERR_NOIGNORE *akgl_game_init()
 {
     int screenwidth = 0;
@@ -42,6 +48,7 @@ akerr_ErrorContext AKERR_NOIGNORE *akgl_game_init()
 	game.gameStartTime = SDL_GetTicksNS();
 	game.lastIterTime = game.gameStartTime;
 	game.lastFPSTime = game.gameStartTime;
+	game.lowfpsfunc = &akgl_game_lowfps;
 	FAIL_ZERO_BREAK(errctx, strlen((char *)&game.name), AKERR_NULLPOINTER, "Must provide game name");
 	FAIL_ZERO_BREAK(errctx, strlen((char *)&game.version), AKERR_NULLPOINTER, "Must provide game version");
 	FAIL_ZERO_BREAK(errctx, strlen((char *)&game.uri), AKERR_NULLPOINTER, "Must provide game uri");
@@ -142,6 +149,9 @@ void akgl_game_updateFPS()
 	game.framesSinceUpdate = 0;
 	game.lastFPSTime = curTime;
     }
+    if ( game.fps < 30 ) {
+	game.lowfpsfunc();
+    }
     game.framesSinceUpdate += 1;
     game.lastIterTime = curTime;
 }

src/text.c

@@ -56,5 +56,6 @@ akerr_ErrorContext AKERR_NOIGNORE *akgl_text_rendertextat(TTF_Font *font, char *
     SDL_GetTextureSize(texture, &dest.w, &dest.h);
     FAIL_ZERO_RETURN(errctx, SDL_RenderTexture(renderer, texture, NULL, &dest), AKERR_NULLPOINTER, "%s", SDL_GetError());
     SDL_DestroyTexture(texture);
+    SDL_DestroySurface(textsurf);
     SUCCEED_RETURN(errctx);
 }