From e42fe374c33138a84d5e959566be4a77546310f6 Mon Sep 17 00:00:00 2001
From: Kitchen <kitchen.gz.020@gmail.com>
Date: Wed, 9 Feb 2022 22:29:14 +0800
Subject: [PATCH] fix only msaa depth texutre in frame buffer error on iOS
 platform (#2725)

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

diff --git a/src/renderer_mtl.mm b/src/renderer_mtl.mm
index ce2a345c3..60b861346 100644
--- a/src/renderer_mtl.mm
+++ b/src/renderer_mtl.mm
@@ -2145,6 +2145,10 @@ namespace bgfx { namespace mtl
 					{
 						const TextureMtl& texture = m_textures[frameBuffer.m_depthHandle.idx];
 						pd.depthAttachmentPixelFormat = texture.m_ptr.m_obj.pixelFormat;
+						pd.sampleCount = NULL != texture.m_ptrMsaa
+							? texture.m_ptrMsaa.sampleCount()
+							: 1
+							;
 						if (NULL != texture.m_ptrStencil)
 						{
 							pd.stencilAttachmentPixelFormat = texture.m_ptrStencil.m_obj.pixelFormat;