From: SooChan Lim <sc1.lim@samsung.com>
Date: Mon, 24 Aug 2020 07:55:50 +0000 (+0900)
Subject: DSWaylandSurface: add bufferChanged method
X-Git-Tag: accepted/tizen/unified/20200827.105812~40
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7010f8e37eb145fc10fdabe110cb8f2d9fd32cb4;p=platform%2Fcore%2Fuifw%2Flibds.git

DSWaylandSurface: add bufferChanged method

allow to check if buffer is attached. wayland client can attach null buffer resource.

Change-Id: I284b186e150e4fa577eb7b451d81f1a14d9e68ea
---

diff --git a/src/DSWaylandServer/DSWaylandSurface.cpp b/src/DSWaylandServer/DSWaylandSurface.cpp
index 473e3a0..7e98b10 100644
--- a/src/DSWaylandServer/DSWaylandSurface.cpp
+++ b/src/DSWaylandServer/DSWaylandSurface.cpp
@@ -63,6 +63,13 @@ std::shared_ptr<IDSBuffer> DSWaylandSurfaceCommitInfo::getBuffer()
 	return priv->getBuffer();
 }
 
+bool DSWaylandSurfaceCommitInfo::bufferChanged()
+{
+	DS_GET_PRIV(DSWaylandSurfaceCommitInfo);
+
+	return priv->bufferChanged;
+}
+
 /* DSWaylandSurfacePrivate */
 DSWaylandSurfacePrivate::DSWaylandSurfacePrivate(DSWaylandSurface *p_ptr)
 	: DSObjectPrivate(p_ptr),
@@ -131,8 +138,11 @@ void DSWaylandSurfacePrivate::surface_attach(Resource *resource, struct ::wl_res
 	if (buffer) {
 		dsBuffer = __bufferManager->getDSBuffer(buffer);
 		commitInfoPendingPriv->bufferRef = std::make_unique<DSBufferRef>(dsBuffer);
-
+	} else {
+		commitInfoPendingPriv->bufferRef = nullptr;
 	}
+
+	commitInfoPendingPriv->bufferChanged = true;
 }
 
 void DSWaylandSurfacePrivate::surface_damage(Resource *resource, int32_t x, int32_t y, int32_t width, int32_t height)
@@ -174,6 +184,8 @@ void DSWaylandSurfacePrivate::surface_commit(Resource *resource)
 	commitInfoPriv->scale = commitInfoPendingPriv->scale;
 	commitInfoPriv->damageBuffer = commitInfoPendingPriv->damageBuffer;
 	commitInfoPriv->bufferRef = std::move(commitInfoPendingPriv->bufferRef);
+	commitInfoPriv->bufferChanged = commitInfoPendingPriv->bufferChanged;
+	commitInfoPendingPriv->bufferChanged = false; // reset value
 
 	// emit a signal of the surface committed
 	pub->__surfaceCommittedSignal.emit(__commitInfo);
diff --git a/src/DSWaylandServer/DSWaylandSurface.h b/src/DSWaylandServer/DSWaylandSurface.h
index 41d1ccb..d9cac4a 100644
--- a/src/DSWaylandServer/DSWaylandSurface.h
+++ b/src/DSWaylandServer/DSWaylandSurface.h
@@ -48,6 +48,7 @@ public:
 
 	//TODO: add getter functions.
 	std::shared_ptr<IDSBuffer> getBuffer();
+	bool                       bufferChanged();
 };
 
 class DSWaylandSurface : public DSObject
diff --git a/src/DSWaylandServer/DSWaylandSurfacePrivate.h b/src/DSWaylandServer/DSWaylandSurfacePrivate.h
index abff9c2..4b37613 100644
--- a/src/DSWaylandServer/DSWaylandSurfacePrivate.h
+++ b/src/DSWaylandServer/DSWaylandSurfacePrivate.h
@@ -56,6 +56,7 @@ public:
 	};
 	std::unique_ptr<DSBufferRef> bufferRef;
 	struct _attach attach;
+	bool bufferChanged;
 
 	struct damageSurface {
 		int32_t x;