From: Changyeon Lee <cyeon.lee@samsung.com>
Date: Mon, 19 Nov 2018 02:21:31 +0000 (+0900)
Subject: surface_queue: add tbm_surface_queue_get_acquirable_surfaces
X-Git-Tag: submit/tizen_5.0/20181119.115322~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F85%2F193285%2F1;p=platform%2Fcore%2Fuifw%2Flibtbm.git

surface_queue: add tbm_surface_queue_get_acquirable_surfaces

Change-Id: I62f653c370130d04e727e920dac7b1c0122d2d89
---

diff --git a/include/tbm_surface_queue.h b/include/tbm_surface_queue.h
index 2534f7f..33c500c 100644
--- a/include/tbm_surface_queue.h
+++ b/include/tbm_surface_queue.h
@@ -265,6 +265,10 @@ tbm_surface_queue_error_e tbm_surface_queue_get_surfaces(
 	tbm_surface_queue_h surface_queue,
 	tbm_surface_h *surfaces, int *num);
 
+tbm_surface_queue_error_e tbm_surface_queue_get_acquirable_surfaces(
+	tbm_surface_queue_h surface_queue,
+	tbm_surface_h *surfaces, int *num);
+
 /**
  * @brief Gets number of the tbm_surfaces by tbm_surface_queue_trace.
  *
diff --git a/src/tbm_surface_queue.c b/src/tbm_surface_queue.c
index 9fc33a5..28acf5a 100644
--- a/src/tbm_surface_queue.c
+++ b/src/tbm_surface_queue.c
@@ -1954,6 +1954,37 @@ tbm_surface_queue_get_surfaces(tbm_surface_queue_h surface_queue,
 	return TBM_SURFACE_QUEUE_ERROR_NONE;
 }
 
+tbm_surface_queue_error_e
+tbm_surface_queue_get_acquirable_surfaces(tbm_surface_queue_h surface_queue,
+			tbm_surface_h *surfaces, int *num)
+{
+	queue_node *node = NULL;
+
+	_tbm_surf_queue_mutex_lock();
+
+	*num = 0;
+
+	TBM_SURF_QUEUE_RETURN_VAL_IF_FAIL(_tbm_surface_queue_is_valid(surface_queue),
+			       TBM_SURFACE_QUEUE_ERROR_INVALID_QUEUE);
+	TBM_SURF_QUEUE_RETURN_VAL_IF_FAIL(num != NULL,
+			       TBM_ERROR_INVALID_PARAMETER);
+
+	pthread_mutex_lock(&surface_queue->lock);
+
+	LIST_FOR_EACH_ENTRY(node, &surface_queue->dirty_queue.head, item_link) {
+		if (surfaces)
+			surfaces[*num] = node->surface;
+
+		*num = *num + 1;
+	}
+
+	pthread_mutex_unlock(&surface_queue->lock);
+
+	_tbm_surf_queue_mutex_unlock();
+
+	return TBM_SURFACE_QUEUE_ERROR_NONE;
+}
+
 tbm_surface_queue_error_e
 tbm_surface_queue_get_trace_surface_num(
 			tbm_surface_queue_h surface_queue, tbm_surface_queue_trace trace, int *num)