From: Konstantin Drabeniuk <k.drabeniuk@samsung.com>
Date: Tue, 19 Dec 2017 08:56:56 +0000 (+0200)
Subject: tdm_output_hwc_set_client_target_buffer: allow pass 0 for num_wnds
X-Git-Tag: accepted/tizen/unified/20171221.071303~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F91%2F164491%2F1;p=platform%2Fcore%2Fuifw%2Flibtdm.git

tdm_output_hwc_set_client_target_buffer: allow pass 0 for num_wnds

Change-Id: Iaa0df64ec73bb57c8a14647fbd312917fb1e2c76
Signed-off-by: Konstantin Drabeniuk <k.drabeniuk@samsung.com>
---

diff --git a/src/tdm_output.c b/src/tdm_output.c
index 27c83ae..76192a2 100644
--- a/src/tdm_output.c
+++ b/src/tdm_output.c
@@ -1751,6 +1751,15 @@ tdm_output_hwc_set_client_target_buffer(tdm_output *output, tbm_surface_h target
 		_tdm_target_window_dump_buffer((tdm_private_output *)output, target_buffer);
 	/* LCOV_EXCL_STOP */
 
+	if (num_wnds == 0) {
+		ret = func_output->output_hwc_set_client_target_buffer(private_output->output_backend, target_buffer,
+					damage, NULL, 0);
+
+		_pthread_mutex_unlock(&private_display->lock);
+
+		return ret;
+	}
+
 	composited_wnds_backend = calloc(num_wnds, sizeof(tdm_hwc_window *));
 	if (!composited_wnds_backend) {
 		/* LCOV_EXCL_START */