From: Joonbum Ko <joonbum.ko@samsung.com>
Date: Thu, 9 Jun 2022 09:43:49 +0000 (+0900)
Subject: Added internal function to check buffer is validate
X-Git-Tag: submit/tizen/20220818.082356~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F85%2F276085%2F3;p=platform%2Fcore%2Fuifw%2Flibtpl-egl.git

Added internal function to check buffer is validate

 - It can be modified flexibly.
 - For now, this function can check if given tbm_surface_h
  is managed by wl_egl_surface.

Change-Id: Ied59f583666a5f18f15537be6507c83c5277a866
Signed-off-by: Joonbum Ko <joonbum.ko@samsung.com>
---

diff --git a/src/tpl_wl_egl_thread.c b/src/tpl_wl_egl_thread.c
index 2ad01c2..e94fe16 100755
--- a/src/tpl_wl_egl_thread.c
+++ b/src/tpl_wl_egl_thread.c
@@ -252,6 +252,8 @@ static int
 _get_tbm_surface_bo_name(tbm_surface_h tbm_surface);
 static void
 _print_buffer_lists(tpl_wl_egl_surface_t *wl_egl_surface);
+static tpl_bool_t
+_check_buffer_validate(tpl_wl_egl_surface_t *wl_egl_surface, tbm_surface_h tbm_surface);
 static void
 __cb_wl_egl_buffer_free(tpl_wl_egl_buffer_t *wl_egl_buffer);
 static tpl_wl_egl_buffer_t *
@@ -3639,3 +3641,31 @@ _print_buffer_lists(tpl_wl_egl_surface_t *wl_egl_surface)
 	}
 	tpl_gmutex_unlock(&wl_egl_surface->buffers_mutex);
 }
+
+static tpl_bool_t
+_check_buffer_validate(tpl_wl_egl_surface_t *wl_egl_surface, tbm_surface_h tbm_surface)
+{
+	int idx = 0;
+	tpl_bool_t ret = TPL_FALSE;
+
+	/* silent return */
+	if (!wl_egl_surface || !tbm_surface)
+		return ret;
+
+	tpl_gmutex_lock(&wl_egl_surface->buffers_mutex);
+	for (idx = 0; idx < BUFFER_ARRAY_SIZE; idx++) {
+		tpl_wl_egl_buffer_t *wl_egl_buffer = wl_egl_surface->buffers[idx];
+		if (wl_egl_buffer && wl_egl_buffer->tbm_surface == tbm_surface) {
+			ret = TPL_TRUE;
+			break;
+		}
+	}
+
+	if (ret == TPL_FALSE || idx == BUFFER_ARRAY_SIZE) {
+		TPL_ERR("tbm_surface(%p) is not owned by wl_egl_surface(%p)",
+				tbm_surface, wl_egl_surface);
+	}
+	tpl_gmutex_unlock(&wl_egl_surface->buffers_mutex);
+
+	return ret;
+}