diff options
| author | Kristian Høgsberg <krh@bitplanet.net> | 2013-12-06 22:02:45 -0800 |
|---|---|---|
| committer | Kristian Høgsberg <krh@bitplanet.net> | 2013-12-07 22:26:23 -0800 |
| commit | deb322237b8aeec4fb2a283ab28ce535a3c0c648 (patch) | |
| tree | 151d4caae092a4c710a1e3c18e583031f4aa135a | |
| parent | 40c0c3f91eeb747b86df64579e3b3706cc5450af (diff) | |
simple-egl: Print fps for the spinning triangle
This is not a benchmark.
| -rw-r--r-- | clients/simple-egl.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/clients/simple-egl.c b/clients/simple-egl.c index f23243fb..3db0e640 100644 --- a/clients/simple-egl.c +++ b/clients/simple-egl.c @@ -87,6 +87,7 @@ struct window { GLuint col; } gl; + uint32_t benchmark_time, frames; struct wl_egl_window *native; struct wl_surface *surface; struct wl_shell_surface *shell_surface; @@ -412,11 +413,11 @@ redraw(void *data, struct wl_callback *callback, uint32_t time) { 0, 0, 1, 0 }, { 0, 0, 0, 1 } }; - static const int32_t speed_div = 5; - static uint32_t start_time = 0; + static const int32_t speed_div = 5, benchmark_interval = 5; struct wl_region *region; EGLint rect[4]; EGLint buffer_age = 0; + struct timeval tv; assert(window->callback == callback); window->callback = NULL; @@ -427,10 +428,20 @@ redraw(void *data, struct wl_callback *callback, uint32_t time) if (!window->configured) return; - if (start_time == 0) - start_time = time; + gettimeofday(&tv, NULL); + time = tv.tv_sec * 1000 + tv.tv_usec / 1000; + if (window->frames == 0) + window->benchmark_time = time; + if (time - window->benchmark_time > (benchmark_interval * 1000)) { + printf("%d frames in %d seconds: %f fps\n", + window->frames, + benchmark_interval, + (float) window->frames / benchmark_interval); + window->benchmark_time = time; + window->frames = 0; + } - angle = ((time-start_time) / speed_div) % 360 * M_PI / 180.0; + angle = (time / speed_div) % 360 * M_PI / 180.0; rotation[0][0] = cos(angle); rotation[0][2] = sin(angle); rotation[2][0] = -sin(angle); @@ -483,6 +494,7 @@ redraw(void *data, struct wl_callback *callback, uint32_t time) } else { eglSwapBuffers(display->egl.dpy, window->egl_surface); } + window->frames++; } static const struct wl_callback_listener frame_listener = { |