M src/platform/commandline.c → src/platform/commandline.c

@@ -15,6 +15,7 @@ static const char* _defaultFilename = "test.rom";
 
 static const struct option _options[] = {
 	{ "bios", 1, 0, 'b' },
+	{ "frameskip", 1, 0, 's' },
 #ifdef USE_CLI_DEBUGGER
 	{ "debug", 1, 0, 'd' },
 #endif
@@ -30,12 +31,11 @@ opts->fd = -1;
 	opts->biosFd = -1;
 	opts->width = 240;
 	opts->height = 160;
-	opts->fullscreen = 0;
 
 	int multiplier = 1;
 	int ch;
 	char options[64] =
-		"b:"
+		"b:s:"
 #ifdef USE_CLI_DEBUGGER
 		"d"
 #endif
@@ -44,6 +44,7 @@ "g"
 #endif
 	;
 	if (extraOptions) {
+		// TODO: modularize options to subparsers
 		strncat(options, extraOptions, sizeof(options) - strlen(options) - 1);
 	}
 	while ((ch = getopt_long(argc, argv, options, _options, 0)) != -1) {
@@ -70,6 +71,12 @@ }
 			opts->debuggerType = DEBUGGER_GDB;
 			break;
 #endif
+		case 's':
+			opts->frameskip = atoi(optarg);
+			break;
+		case 'S':
+			opts->perfDuration = atoi(optarg);
+			break;
 		case '2':
 			if (multiplier != 1) {
 				return 0;

M src/platform/commandline.h → src/platform/commandline.h

@@ -22,6 +22,11 @@ "  -3               3x viewport\n" \
 	"  -4               4x viewport\n" \
 	"  -f               Sart full-screen"
 
+#define PERF_OPTIONS "S:"
+#define PERF_USAGE \
+	"\nBenchmark options:\n" \
+	"  -S SEC           Run for SEC in-game seconds before exiting"
+
 struct StartupOptions {
 	int fd;
 	const char* fname;
@@ -33,6 +38,8 @@
 	int width;
 	int height;
 	int fullscreen;
+
+	int perfDuration;
 
 	enum DebuggerType debuggerType;
 	int debugAtStart;

M src/platform/perf-main.c → src/platform/perf-main.c

@@ -18,8 +18,8 @@ struct GBAVideoSoftwareRenderer renderer;
 	GBAVideoSoftwareRendererCreate(&renderer);
 
 	struct StartupOptions opts;
-	if (!parseCommandArgs(&opts, argc, argv, 0)) {
-		usage(argv[0], 0);
+	if (!parseCommandArgs(&opts, argc, argv, PERF_OPTIONS)) {
+		usage(argv[0], PERF_USAGE);
 		return 1;
 	}
 
@@ -28,7 +28,6 @@ renderer.outputBufferStride = 256;
 
 	struct GBAThread context = {
 		.renderer = &renderer.d,
-		.frameskip = 0,
 		.sync.videoFrameWait = 0,
 		.sync.audioWait = 0
 	};
@@ -40,7 +39,7 @@ GBAMapOptionsToContext(&opts, &context);
 
 	GBAThreadStart(&context);
 
-	int frames = 0;
+	int frames = opts.perfDuration;
 	time_t start = time(0);
 	_GBAPerfRunloop(&context, &frames);
 	time_t end = time(0);
@@ -63,6 +62,8 @@
 static void _GBAPerfRunloop(struct GBAThread* context, int* frames) {
 	struct timeval lastEcho;
 	gettimeofday(&lastEcho, 0);
+	int duration = *frames;
+	*frames = 0;
 	int lastFrames = 0;
 	while (context->state < THREAD_EXITING) {
 		if (GBASyncWaitFrameStart(&context->sync, 0)) {
@@ -82,7 +83,11 @@ lastFrames = 0;
 			}
 		}
 		GBASyncWaitFrameEnd(&context->sync);
+		if (*frames == duration * 60) {
+			_GBAPerfShutdown(0);
+		}
 	}
+	printf("\033[2K\r");
 }
 
 static void _GBAPerfShutdown(int signal) {