1#include "gba-thread.h"
 2#include "gba.h"
 3#include "renderers/video-software.h"
 4
 5#include <fcntl.h>
 6#include <signal.h>
 7#include <sys/time.h>
 8
 9static void _GBAPerfRunloop(struct GBAThread* context, int* frames);
10static void _GBAPerfShutdown(int signal);
11
12static struct GBAThread* _thread;
13
14int main(int argc, char** argv) {
15	const char* fname = "test.rom";
16	if (argc > 1) {
17		fname = argv[1];
18	}
19	int fd = open(fname, O_RDONLY);
20	if (fd < 0) {
21		return 1;
22	}
23
24	signal(SIGINT, _GBAPerfShutdown);
25
26	struct GBAVideoSoftwareRenderer renderer;
27	GBAVideoSoftwareRendererCreate(&renderer);
28
29	renderer.outputBuffer = malloc(256 * 256 * 4);
30	renderer.outputBufferStride = 256;
31
32	struct GBAThread context = {
33		.fd = fd,
34		.fname = fname,
35		.biosFd = -1,
36		.renderer = &renderer.d,
37		.frameskip = 0,
38		.sync.videoFrameWait = 0,
39		.sync.audioWait = 0
40	};
41	_thread = &context;
42	GBAThreadStart(&context);
43
44	int frames = 0;
45	time_t start = time(0);
46	_GBAPerfRunloop(&context, &frames);
47	time_t end = time(0);
48	int duration = end - start;
49
50	GBAThreadJoin(&context);
51	close(fd);
52
53	free(renderer.outputBuffer);
54
55	printf("%u frames in %i seconds: %g fps (%gx)\n", frames, duration, frames / (float) duration, frames / (duration * 60.f));
56
57	return 0;
58}
59
60static void _GBAPerfRunloop(struct GBAThread* context, int* frames) {
61	struct timeval lastEcho;
62	gettimeofday(&lastEcho, 0);
63	int lastFrames = 0;
64	while (context->state < THREAD_EXITING) {
65		if (GBASyncWaitFrameStart(&context->sync, 0)) {
66			++*frames;
67			++lastFrames;
68			struct timeval currentTime;
69			long timeDiff;
70			gettimeofday(&currentTime, 0);
71			timeDiff = currentTime.tv_sec - lastEcho.tv_sec;
72			timeDiff *= 1000;
73			timeDiff += (currentTime.tv_usec - lastEcho.tv_usec) / 1000;
74			if (timeDiff >= 1000) {
75				printf("\033[2K\rCurrent FPS: %g (%gx)", lastFrames / (timeDiff / 1000.0f), lastFrames / (float) (60 * (timeDiff / 1000.0f)));
76				fflush(stdout);
77				lastEcho = currentTime;
78				lastFrames = 0;
79			}
80		}
81		GBASyncWaitFrameEnd(&context->sync);
82	}
83}
84
85static void _GBAPerfShutdown(int signal) {
86	(void) (signal);
87	pthread_mutex_lock(&_thread->stateMutex);
88	_thread->state = THREAD_EXITING;
89	pthread_mutex_unlock(&_thread->stateMutex);
90}