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Use common monitor refresh rate estimator.

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Ditch custom timing code in KMS.
This commit is contained in:
Themaister 2013-06-05 18:12:29 +02:00
parent e215033edd
commit 6dd0839a01
1 changed files with 7 additions and 29 deletions
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36
gfx/context/drm_egl_ctx.c
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@ -108,39 +108,25 @@ static void gfx_ctx_check_window(bool *quit,
static unsigned first_page_flip;
static unsigned last_page_flip;
static uint64_t first_usec;
static uint64_t last_usec;
static unsigned missed_vblanks;
static unsigned hit_vblanks;
static void page_flip_handler(int fd, unsigned frame, unsigned sec, unsigned usec, void *data)
{
(void)fd;
(void)sec;
(void)usec;
uint64_t current_usec = (uint64_t)sec * 1000000 + usec;
if (!first_page_flip)
{
first_page_flip = frame;
first_usec = current_usec;
}
if (last_page_flip)
{
unsigned missed = frame - last_page_flip - 1;
if (!missed)
hit_vblanks++;
else
{
if (missed)
RARCH_LOG("[KMS/EGL]: Missed %u VBlank(s) (Frame: %u, DRM frame: %u).\n",
missed, frame - first_page_flip, frame);
missed_vblanks += missed;
}
}
last_page_flip = frame;
last_usec = current_usec;
*(bool*)data = false;
}
@ -226,7 +212,10 @@ static void gfx_ctx_set_resize(unsigned width, unsigned height)
}
static void gfx_ctx_update_window_title(void)
{}
{
char buf[128];
gfx_get_fps(buf, sizeof(buf), false);
}
static void gfx_ctx_get_video_size(unsigned *width, unsigned *height)
{
@ -544,17 +533,6 @@ void gfx_ctx_destroy(void)
if (g_drm_fd >= 0)
close(g_drm_fd);
g_drm_fd = -1;
unsigned frames = last_page_flip - first_page_flip;
if (frames)
{
uint64_t usec = last_usec - first_usec;
RARCH_WARN("[KMS/EGL]: Estimated monitor FPS: %.5f Hz\n", 1000000.0 * frames / usec);
}
RARCH_WARN("[KMS/EGL]: Performance stats: Missed VBlanks: %u, Perfect VBlanks: %u\n",
missed_vblanks, hit_vblanks);
g_inited = false;
}