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[client] wayland: do not crash when presentation time is unavailable

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We don't need the presentation time protocol, so fail gracefully when
it's unavailable.
This commit is contained in:
Quantum 2021-07-20 00:20:55 -04:00 committed by Geoffrey McRae
parent 26f16a3734
commit 3f7261d7d9
1 changed files with 10 additions and 3 deletions
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11
client/displayservers/Wayland/presentation.c
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@ -80,17 +80,21 @@ static const struct wp_presentation_feedback_listener presentationFeedbackListen
}; };
bool waylandPresentationInit(void) bool waylandPresentationInit(void)
{
if (wlWm.presentation)
{ {
wlWm.photonTimings = ringbuffer_new(256, sizeof(float)); wlWm.photonTimings = ringbuffer_new(256, sizeof(float));
wlWm.photonGraph = app_registerGraph("PHOTON", wlWm.photonTimings); wlWm.photonGraph = app_registerGraph("PHOTON", wlWm.photonTimings);
if (wlWm.presentation)
wp_presentation_add_listener(wlWm.presentation, &presentationListener, NULL); wp_presentation_add_listener(wlWm.presentation, &presentationListener, NULL);
}
return true; return true;
} }
void waylandPresentationFree(void) void waylandPresentationFree(void)
{ {
if (!wlWm.presentation)
return;
wp_presentation_destroy(wlWm.presentation); wp_presentation_destroy(wlWm.presentation);
app_unregisterGraph(wlWm.photonGraph); app_unregisterGraph(wlWm.photonGraph);
ringbuffer_free(&wlWm.photonTimings); ringbuffer_free(&wlWm.photonTimings);
@ -98,6 +102,9 @@ void waylandPresentationFree(void)
void waylandPresentationFrame(void) void waylandPresentationFrame(void)
{ {
if (!wlWm.presentation)
return;
struct FrameData * data = malloc(sizeof(struct FrameData)); struct FrameData * data = malloc(sizeof(struct FrameData));
if (clock_gettime(wlWm.clkId, &data->sent)) if (clock_gettime(wlWm.clkId, &data->sent))
{ {