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backend-drm: Turn zpos duplicate check into an hard assert

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This way we make sure we find out (if we have assigned invalid zpos
values) much faster.

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
This commit is contained in:
Marius Vlad 2019-11-15 14:32:08 +02:00
parent 788e80db77
commit 48bc5efa7c
1 changed files with 5 additions and 16 deletions
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21
libweston/backend-drm/state-propose.c
View File

@ -593,12 +593,10 @@ out:
return ps;
}
static int
static void
drm_output_check_zpos_plane_states(struct drm_output_state *state)
{
struct drm_backend *b = state->pending_state->backend;
struct drm_plane_state *ps;
int ret = 0;
wl_list_for_each(ps, &state->plane_list, link) {
struct wl_list *next_node = ps->link.next;
@ -628,14 +626,10 @@ drm_output_check_zpos_plane_states(struct drm_output_state *state)
next_node = next_node->next;
}
if (found_dup) {
ret = 1;
drm_debug(b, "\t\t\t[plane] found duplicate zpos values\n");
break;
}
/* this should never happen so exit hard in case
* we screwed up that bad */
assert(!found_dup);
}
return ret;
}
static struct drm_plane_state *
@ -988,12 +982,7 @@ drm_output_propose_state(struct weston_output *output_base,
return state;
/* check if we have invalid zpos values, like duplicate(s) */
ret = drm_output_check_zpos_plane_states(state);
if (ret != 0) {
drm_debug(b, "\t\t[view] failing state generation: "
"zpos values are in-consistent\n");
goto err;
}
drm_output_check_zpos_plane_states(state);
/* Check to see if this state will actually work. */
ret = drm_pending_state_test(state->pending_state);