From 439043ddb4db3b03a4f0b3448b1c9b682f978dbf Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Fri, 2 Sep 2022 14:29:38 +0200
Subject: [PATCH] [d3d11] Do not implicitly stall waitable swap chains

---
 src/d3d11/d3d11_swapchain.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/d3d11/d3d11_swapchain.cpp b/src/d3d11/d3d11_swapchain.cpp
index 21772d539..7b2ce118d 100644
--- a/src/d3d11/d3d11_swapchain.cpp
+++ b/src/d3d11/d3d11_swapchain.cpp
@@ -572,7 +572,10 @@ namespace dxvk {
 
 
   uint32_t D3D11SwapChain::GetActualFrameLatency() {
-    uint32_t maxFrameLatency = m_frameLatency;
+    // DXGI does not seem to implicitly synchronize waitable swap chains,
+    // so in that case we should just respect the user config. For regular
+    // swap chains, pick the latency from the DXGI device.
+    uint32_t maxFrameLatency = DXGI_MAX_SWAP_CHAIN_BUFFERS;
 
     if (!(m_desc.Flags & DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT))
       m_dxgiDevice->GetMaximumFrameLatency(&maxFrameLatency);