From b4bf2e2628819c2e0c1e621defefb4d4de8d7c75 Mon Sep 17 00:00:00 2001
From: SooChan Lim <sc1.lim@samsung.com>
Date: Sun, 24 Feb 2019 14:41:20 +0900
Subject: [PATCH] hwc: add tdm_hwc_get_property

The user can get the property on the hwc object.

Change-Id: I7ac159c31ddb7532f5e76308969f7e0dc8ae5620
---
 include/tdm.h         | 10 ++++++++++
 include/tdm_backend.h |  9 +++++++++
 src/tdm_hwc.c         | 28 ++++++++++++++++++++++++++++
 3 files changed, 47 insertions(+)

diff --git a/include/tdm.h b/include/tdm.h
index 53aa771..71f7a1c 100644
--- a/include/tdm.h
+++ b/include/tdm.h
@@ -1040,6 +1040,16 @@ tdm_error
 tdm_hwc_set_property(tdm_hwc *hwc, uint32_t id, tdm_value value);
 
 /**
+ * @brief Get the property which has a given id on the hwc object.
+ * @param[in] hwc A hwc object
+ * @param[in] id The property id
+ * @param[in] value The value of the propery id
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ */
+tdm_error
+tdm_hwc_get_property(tdm_hwc *hwc, uint32_t id, tdm_value *value);
+
+/**
  * @brief Destroys the given window.
  * @param[in] window the pointer of the window to destroy
  * @since 2.0.0
diff --git a/include/tdm_backend.h b/include/tdm_backend.h
index e89cd91..c5db80a 100644
--- a/include/tdm_backend.h
+++ b/include/tdm_backend.h
@@ -937,6 +937,15 @@ typedef struct _tdm_func_hwc {
 	 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
 	 */
 	tdm_error (*hwc_set_property)(tdm_hwc *hwc, uint32_t id, tdm_value value);
+
+	/**
+	 * @brief Get the property which has a given id on the hwc object.
+	 * @param[in] hwc A hwc object
+	 * @param[in] id The property id
+	 * @param[in] value The value of the propery id
+	 * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+	 */
+	tdm_error (*hwc_get_property)(tdm_hwc *hwc, uint32_t id, tdm_value *value);
 } tdm_func_hwc;
 
 /**
diff --git a/src/tdm_hwc.c b/src/tdm_hwc.c
index b9029be..0589bc1 100644
--- a/src/tdm_hwc.c
+++ b/src/tdm_hwc.c
@@ -634,3 +634,31 @@ tdm_hwc_set_property(tdm_hwc *hwc, uint32_t id, tdm_value value)
 
 	return ret;
 }
+
+tdm_error
+tdm_hwc_get_property(tdm_hwc *hwc, uint32_t id, tdm_value *value)
+{
+	tdm_private_module *private_module;
+	tdm_func_hwc *func_hwc = NULL;
+
+	HWC_FUNC_ENTRY();
+
+	_pthread_mutex_lock(&private_display->lock);
+
+	private_module = private_hwc->private_module;
+	func_hwc = &private_module->func_hwc;
+
+	if (!func_hwc->hwc_get_property) {
+		/* LCOV_EXCL_START */
+		_pthread_mutex_unlock(&private_display->lock);
+		TDM_WRN("not implemented!!");
+		return TDM_ERROR_NOT_IMPLEMENTED;
+		/* LCOV_EXCL_STOP */
+	}
+
+	ret = func_hwc->hwc_get_property(private_hwc->hwc_backend, id, value);
+
+	_pthread_mutex_unlock(&private_display->lock);
+
+	return ret;
+}
-- 
2.7.4