From 457cdf6db529783d64431fcd5632f13e6ef8d36b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Mlakar?= <jazzbre@gmail.com>
Date: Tue, 7 Dec 2021 17:54:45 +0100
Subject: [PATCH] MTL: Use default frame latency if 0 provided (#2680)
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Co-authored-by: Aleš Mlakar <ales.ambits@gmail.com>
---
 src/renderer_mtl.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/renderer_mtl.mm b/src/renderer_mtl.mm
index 1e9bf5eb0..e96ae09f0 100644
--- a/src/renderer_mtl.mm
+++ b/src/renderer_mtl.mm
@@ -3191,7 +3191,7 @@ namespace bgfx { namespace mtl
 		}
 		if (@available(macOS 10.13.2, *))
 		{
-			m_metalLayer.maximumDrawableCount = bx::clamp<uint32_t>(_maximumDrawableCount, 2, 3);
+            m_metalLayer.maximumDrawableCount = bx::clamp<uint32_t>(_maximumDrawableCount != 0 ? _maximumDrawableCount : BGFX_CONFIG_MAX_FRAME_LATENCY, 2, 3);
 		}
 #endif // __MAC_OS_X_VERSION_MAX_ALLOWED >= 101300
 #endif // BX_PLATFORM_OSX