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vl/dri3: handle PresentCompleteNotify event

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and get timestamp calculated based on the event's reply

Signed-off-by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Leo Liu 2016-05-09 15:53:48 -04:00
parent e8282178ab
commit 9f50a79b8f
1 changed files with 27 additions and 1 deletions
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28
src/gallium/auxiliary/vl/vl_winsys_dri3.c
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@ -75,6 +75,10 @@ struct vl_dri3_screen
struct vl_dri3_buffer *front_buffer;
bool is_pixmap;
uint32_t send_msc_serial, recv_msc_serial;
uint64_t send_sbc, recv_sbc;
int64_t last_ust, ns_frame, last_msc, next_msc;
};
static void
@ -97,6 +101,19 @@ dri3_free_back_buffer(struct vl_dri3_screen *scrn,
FREE(buffer);
}
static void
dri3_handle_stamps(struct vl_dri3_screen *scrn, uint64_t ust, uint64_t msc)
{
int64_t ust_ns = ust * 1000;
if (scrn->last_ust && (ust_ns > scrn->last_ust) &&
scrn->last_msc && (msc > scrn->last_msc))
scrn->ns_frame = (ust_ns - scrn->last_ust) / (msc - scrn->last_msc);
scrn->last_ust = ust_ns;
scrn->last_msc = msc;
}
static void
dri3_handle_present_event(struct vl_dri3_screen *scrn,
xcb_present_generic_event_t *ge)
@ -109,7 +126,16 @@ dri3_handle_present_event(struct vl_dri3_screen *scrn,
break;
}
case XCB_PRESENT_COMPLETE_NOTIFY: {
/* TODO */
xcb_present_complete_notify_event_t *ce = (void *) ge;
if (ce->kind == XCB_PRESENT_COMPLETE_KIND_PIXMAP) {
scrn->recv_sbc = (scrn->send_sbc & 0xffffffff00000000LL) | ce->serial;
if (scrn->recv_sbc > scrn->send_sbc)
scrn->recv_sbc -= 0x100000000;
dri3_handle_stamps(scrn, ce->ust, ce->msc);
} else if (ce->kind == XCB_PRESENT_COMPLETE_KIND_NOTIFY_MSC) {
scrn->recv_msc_serial = ce->serial;
dri3_handle_stamps(scrn, ce->ust, ce->msc);
}
break;
}
case XCB_PRESENT_EVENT_IDLE_NOTIFY: {