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vl/dri3: implement functions for get and set timestamp

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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 16:03:41 -04:00
parent 9f50a79b8f
commit c122c74dca
1 changed files with 53 additions and 6 deletions
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59
src/gallium/auxiliary/vl/vl_winsys_dri3.c
View file

@ -79,6 +79,8 @@ struct vl_dri3_screen
uint32_t send_msc_serial, recv_msc_serial;
uint64_t send_sbc, recv_sbc;
int64_t last_ust, ns_frame, last_msc, next_msc;
bool flushed;
};
static void
@ -467,19 +469,30 @@ vl_dri3_flush_frontbuffer(struct pipe_screen *screen,
if (!back)
return;
if (scrn->flushed) {
while (scrn->special_event && scrn->recv_sbc < scrn->send_sbc)
if (!dri3_wait_present_events(scrn))
return;
}
xshmfence_reset(back->shm_fence);
back->busy = true;
xcb_present_pixmap(scrn->conn,
scrn->drawable,
back->pixmap,
0, 0, 0, 0, 0,
(uint32_t)(++scrn->send_sbc),
0, 0, 0, 0,
None, None,
back->sync_fence,
options, 0, 0, 0, 0, NULL);
options,
scrn->next_msc,
0, 0, 0, NULL);
xcb_flush(scrn->conn);
scrn->flushed = true;
return;
}
@ -494,6 +507,13 @@ vl_dri3_screen_texture_from_drawable(struct vl_screen *vscreen, void *drawable)
if (!dri3_set_drawable(scrn, (Drawable)drawable))
return NULL;
if (scrn->flushed) {
while (scrn->special_event && scrn->recv_sbc < scrn->send_sbc)
if (!dri3_wait_present_events(scrn))
return NULL;
}
scrn->flushed = false;
buffer = (scrn->is_pixmap) ?
dri3_get_front_buffer(scrn) :
dri3_get_back_buffer(scrn);
@ -516,15 +536,42 @@ vl_dri3_screen_get_dirty_area(struct vl_screen *vscreen)
static uint64_t
vl_dri3_screen_get_timestamp(struct vl_screen *vscreen, void *drawable)
{
/* TODO */
return 0;
struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
assert(scrn);
if (!dri3_set_drawable(scrn, (Drawable)drawable))
return 0;
if (!scrn->last_ust) {
xcb_present_notify_msc(scrn->conn,
scrn->drawable,
++scrn->send_msc_serial,
0, 0, 0);
xcb_flush(scrn->conn);
while (scrn->special_event &&
scrn->send_msc_serial > scrn->recv_msc_serial) {
if (!dri3_wait_present_events(scrn))
return 0;
}
}
return scrn->last_ust;
}
static void
vl_dri3_screen_set_next_timestamp(struct vl_screen *vscreen, uint64_t stamp)
{
/* TODO */
return;
struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)vscreen;
assert(scrn);
if (stamp && scrn->last_ust && scrn->ns_frame && scrn->last_msc)
scrn->next_msc = ((int64_t)stamp - scrn->last_ust + scrn->ns_frame/2) /
scrn->ns_frame + scrn->last_msc;
else
scrn->next_msc = 0;
}
static void *