From f804c6364dd11c87ea6136a9a07734a881401175 Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Fri, 24 Jan 2020 05:43:31 +0000
Subject: [PATCH] [d3d9] Implement d3d9.allowDoNotWait

---
 src/d3d9/d3d9_device.cpp  | 3 +++
 src/d3d9/d3d9_options.cpp | 1 +
 src/d3d9/d3d9_options.h   | 3 +++
 3 files changed, 7 insertions(+)

diff --git a/src/d3d9/d3d9_device.cpp b/src/d3d9/d3d9_device.cpp
index 03d460c09..3914eb178 100644
--- a/src/d3d9/d3d9_device.cpp
+++ b/src/d3d9/d3d9_device.cpp
@@ -3781,6 +3781,9 @@ namespace dxvk {
     if (unlikely(!m_d3d9Options.allowLockFlagReadonly))
       Flags &= ~D3DLOCK_READONLY;
 
+    if (unlikely(!m_d3d9Options.allowDoNotWait))
+      Flags &= ~D3DLOCK_DONOTWAIT;
+
     if (unlikely((Flags & (D3DLOCK_DISCARD | D3DLOCK_NOOVERWRITE)) == (D3DLOCK_DISCARD | D3DLOCK_NOOVERWRITE)))
       Flags &= ~D3DLOCK_DISCARD;
 
diff --git a/src/d3d9/d3d9_options.cpp b/src/d3d9/d3d9_options.cpp
index a3c5c6986..61134880e 100644
--- a/src/d3d9/d3d9_options.cpp
+++ b/src/d3d9/d3d9_options.cpp
@@ -65,6 +65,7 @@ namespace dxvk {
     this->forceSwapchainMSAA    = config.getOption<int32_t> ("d3d9.forceSwapchainMSAA",    -1);
 
     this->forceAspectRatio      = config.getOption<std::string>("d3d9.forceAspectRatio",   "");
+    this->allowDoNotWait        = config.getOption<bool>       ("d3d9.allowDoNotWait",     true);
 
     // If we are not Nvidia, enable general hazards.
     this->generalHazards = adapter == nullptr || !adapter->matchesDriver(DxvkGpuVendor::Nvidia, VK_DRIVER_ID_NVIDIA_PROPRIETARY_KHR, 0, 0);
diff --git a/src/d3d9/d3d9_options.h b/src/d3d9/d3d9_options.h
index e82441e17..7ead26d5e 100644
--- a/src/d3d9/d3d9_options.h
+++ b/src/d3d9/d3d9_options.h
@@ -119,6 +119,9 @@ namespace dxvk {
 
     /// Forces an MSAA level on the swapchain
     int32_t forceSwapchainMSAA;
+
+    /// Allow D3DLOCK_DONOTWAIT
+    bool allowDoNotWait;
   };
 
 }
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