From 613c4563c288b5b73b2f1defb23ad645cef97bee Mon Sep 17 00:00:00 2001
From: DevJPM <jean-pierre.muench@web.de>
Date: Thu, 3 Jun 2021 16:03:37 +0200
Subject: VideoCommon: Gate Multi-Threaded Shader Pre-Compilation behind a bug
 entry

---
 Source/Core/VideoCommon/VideoConfig.cpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'Source/Core/VideoCommon/VideoConfig.cpp')

diff --git a/Source/Core/VideoCommon/VideoConfig.cpp b/Source/Core/VideoCommon/VideoConfig.cpp
index 9cdf1256f7..5e833a4244 100644
--- a/Source/Core/VideoCommon/VideoConfig.cpp
+++ b/Source/Core/VideoCommon/VideoConfig.cpp
@@ -10,6 +10,7 @@
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"
 #include "Core/Movie.h"
+#include "VideoCommon/DriverDetails.h"
 #include "VideoCommon/OnScreenDisplay.h"
 #include "VideoCommon/VideoCommon.h"
 #include "VideoCommon/VideoConfig.h"
@@ -204,8 +205,17 @@ u32 VideoConfig::GetShaderPrecompilerThreads() const
   if (!backend_info.bSupportsBackgroundCompiling)
     return 0;
 
+  const bool bugDatabaseSupported =
+      backend_info.api_type == APIType::OpenGL || backend_info.api_type == APIType::Vulkan;
+  // DirectX has always worked in our tests in PR#9414
+  const bool multiThreadingWorking =
+      !bugDatabaseSupported ||
+      !DriverDetails::HasBug(DriverDetails::BUG_BROKEN_MULTITHREADED_SHADER_PRECOMPILATION);
+
   if (iShaderPrecompilerThreads >= 0)
     return static_cast<u32>(iShaderPrecompilerThreads);
-  else
+  else if (multiThreadingWorking)
     return GetNumAutoShaderPreCompilerThreads();
+  else
+    return 1;
 }
-- 
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