Adds debug output for supported renderer drivers (#94)

Also introduces the "verbose" log function and moves some of the more
noisey logs to that. There is no standard buildflag for the verbose logs
yet.

Author: LiquidityC

src/main.c

@@ -154,6 +154,13 @@ bool initSDL(void)
 	window_icon = IMG_Load_IO(io_load_rwops("Extras/icon.png"), true);
 	SDL_SetWindowIcon(gWindow, window_icon);
 
+#ifdef DEBUG
+	int num_render_drivers = SDL_GetNumRenderDrivers();
+	for (int i = 0; i < num_render_drivers; i++) {
+		debug("Available render driver: %s", SDL_GetRenderDriver(i));
+	}
+#endif
+
 	gRenderer = SDL_CreateRenderer(gWindow, NULL);
 	if (gRenderer == NULL)
 	{

src/mixer.c

@@ -47,9 +47,9 @@ load_song(char *path)
 static Mix_Chunk*
 load_effect(char *path)
 {
-	debug("Loading effect: %s", path);
+	verbose("Loading effect: %s", path);
 	SDL_IOStream *io = io_load_rwops(path);
-	debug("Loaded effect: %s", path);
+	verbose("Loaded effect: %s", path);
 	Mix_Chunk *effect = Mix_LoadWAV_IO(io, true);
 	if (effect == NULL)
 		fatal("Failed to load effect (%s): %s", path, SDL_GetError());

src/texturecache.c

@@ -49,7 +49,7 @@ texturecache_add(const char *path)
 		tc->texture = texture_create();
 		texture_load_from_file(tc->texture, path, renderer);
 		ht_set(textures, path, tc);
-		debug("Cached texture: %s", path);
+		verbose("Cached texture: %s", path);
 	}
 
 	return tc->texture;

src/util.h

@@ -27,6 +27,12 @@
 #define __FNAME__ __FILE__
 #endif // __FNAME__
 
+#ifdef VERBOSE
+#define verbose(...) log_print(stdout, "VERBOSE", __FNAME__, __LINE__, __func__, __VA_ARGS__)
+#else
+#define verbose(...) do  {} while(0)
+#endif
+
 #ifdef DEBUG
 #define debug(...) log_print(stdout, "DEBUG", __FNAME__,  __LINE__, __func__, __VA_ARGS__)
 #define info(...)  log_print(stdout, "INFO", __FNAME__, __LINE__, __func__, __VA_ARGS__)