From 7669f8442cbe97f0ad517a8f2a6da9ff01d62ff0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bla=C5=BE=20Toma=C5=BEi=C4=8D?= <blaz.tomazic@gmail.com>
Date: Fri, 28 Dec 2018 10:57:44 +0100
Subject: [PATCH] Release all swapchain resources on destruction

---
 src/renderer_mtl.mm | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/renderer_mtl.mm b/src/renderer_mtl.mm
index a99d84168..62714537c 100644
--- a/src/renderer_mtl.mm
+++ b/src/renderer_mtl.mm
@@ -2817,11 +2817,18 @@ namespace bgfx { namespace mtl
 
 	SwapChainMtl::~SwapChainMtl()
 	{
-		MTL_RELEASE(m_backBufferDepth);
-		if (BX_ENABLED(BX_PLATFORM_IOS) )
-		{
-			MTL_RELEASE(m_backBufferStencil);
+		if(m_drawable != nil) {
+			release(m_drawable);
+			m_drawable = nil;
 		}
+
+		MTL_RELEASE(m_backBufferDepth);
+		MTL_RELEASE(m_backBufferStencil);
+		if (NULL != m_backBufferColorMsaa)
+		{
+			MTL_RELEASE(m_backBufferColorMsaa);
+		}
+
 	}
 
 	void SwapChainMtl::init(void* _nwh)