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authorChris Wilson <chris@chris-wilson.co.uk>2015-04-02 22:50:19 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2015-04-02 22:50:19 +0100
commit3c3f7d7df4cfb6e1f22fe850f3cf35c6e334b4a1 (patch)
tree4fec9dbb1dfe330c97c1d019f80765854b5be9f0 /test
parentef8f5236f2b7698d026be42de99cb8e7f86a4a6b (diff)
test/dri2: Check vblank waits
Make sure that waiting 60 times for a vblank, 60 msc pass Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'test')
-rw-r--r--test/dri2-test.c47
1 files changed, 33 insertions, 14 deletions
diff --git a/test/dri2-test.c b/test/dri2-test.c
index d44ed99d..b88e65c7 100644
--- a/test/dri2-test.c
+++ b/test/dri2-test.c
@@ -105,6 +105,12 @@ static uint64_t check_msc(Display *dpy, Window win, uint64_t last_msc)
return current_msc;
}
+static void wait_next_vblank(Display *dpy, Window win)
+{
+ uint64_t msc, ust, sbc;
+ DRI2WaitMSC(dpy, win, 0, 1, 0, &ust, &msc, &sbc);
+}
+
static void swap_buffers(xcb_connection_t *c, Window win,
unsigned int *attachments, int nattachments)
{
@@ -133,7 +139,7 @@ static void run(Display *dpy, int width, int height,
int count;
DRI2Buffer *buffers;
struct timespec start, end;
- uint64_t msc;
+ uint64_t start_msc, end_msc;
/* Be nasty and install a fullscreen window on top so that we
* can guarantee we do not get clipped by children.
@@ -148,7 +154,7 @@ static void run(Display *dpy, int width, int height,
XMapWindow(dpy, win);
DRI2CreateDrawable(dpy, win);
- msc = check_msc(dpy, win, 0);
+ start_msc = check_msc(dpy, win, 0);
buffers = DRI2GetBuffers(dpy, win, &width, &height,
attachments, nattachments, &count);
@@ -156,37 +162,50 @@ static void run(Display *dpy, int width, int height,
return;
swap_buffers(c, win, attachments, nattachments);
- msc = check_msc(dpy, win, msc);
+ start_msc = check_msc(dpy, win, start_msc);
clock_gettime(CLOCK_MONOTONIC, &start);
for (count = 0; count < COUNT; count++)
swap_buffers(c, win, attachments, nattachments);
- msc = check_msc(dpy, win, msc);
+ end_msc = check_msc(dpy, win, start_msc);
clock_gettime(CLOCK_MONOTONIC, &end);
- printf("%d %s (%dx%d) swaps in %fs.\n",
- count, name, width, height, elapsed(&start, &end));
+ printf("%d [%ld] %s (%dx%d) swaps in %fs.\n",
+ count, (long)(end_msc - start_msc),
+ name, width, height, elapsed(&start, &end));
swap_buffers(c, win, attachments, nattachments);
- msc = check_msc(dpy, win, msc);
+ start_msc = check_msc(dpy, win, end_msc);
clock_gettime(CLOCK_MONOTONIC, &start);
for (count = 0; count < COUNT; count++)
dri2_copy_swap(dpy, win, width, height, nattachments == 2);
- msc = check_msc(dpy, win, msc);
+ end_msc = check_msc(dpy, win, start_msc);
clock_gettime(CLOCK_MONOTONIC, &end);
- printf("%d %s (%dx%d) blits in %fs.\n",
- count, name, width, height, elapsed(&start, &end));
+ printf("%d [%ld] %s (%dx%d) blits in %fs.\n",
+ count, (long)(end_msc - start_msc),
+ name, width, height, elapsed(&start, &end));
DRI2SwapInterval(dpy, win, 0);
swap_buffers(c, win, attachments, nattachments);
- msc = check_msc(dpy, win, msc);
+ start_msc = check_msc(dpy, win, end_msc);
clock_gettime(CLOCK_MONOTONIC, &start);
for (count = 0; count < COUNT; count++)
swap_buffers(c, win, attachments, nattachments);
- msc = check_msc(dpy, win, msc);
+ end_msc = check_msc(dpy, win, start_msc);
+ clock_gettime(CLOCK_MONOTONIC, &end);
+ printf("%d [%ld] %s (%dx%d) vblank=0 swaps in %fs.\n",
+ count, (long)(end_msc - start_msc),
+ name, width, height, elapsed(&start, &end));
+
+ start_msc = check_msc(dpy, win, end_msc);
+ clock_gettime(CLOCK_MONOTONIC, &start);
+ for (count = 0; count < COUNT; count++)
+ wait_next_vblank(dpy, win);
+ end_msc = check_msc(dpy, win, start_msc);
clock_gettime(CLOCK_MONOTONIC, &end);
- printf("%d %s (%dx%d) vblank=0 swaps in %fs.\n",
- count, name, width, height, elapsed(&start, &end));
+ printf("%d [%ld] %s waits in %fs.\n",
+ count, (long)(end_msc - start_msc),
+ name, elapsed(&start, &end));
XDestroyWindow(dpy, win);
free(buffers);