[d3d9] Implement config option to disable rejecting reset

dxvk.conf

@@ -646,3 +646,26 @@
 # - True/False
 
 # dxvk.hideIntegratedGraphics = False
+
+# Trigger DEVICELOST when losing focus
+#
+# D3D9 requires the application to call Device::Reset after
+# it loses focus in fullscreen.
+# Some games rely on observing a D3DERR_DEVICELOST or D3DERR_NOTRESET.
+# Others don't handle it correctly.
+#
+# Supported values:
+# - True/False
+
+# d3d9.deviceLossOnFocusLoss = False
+
+# Reject Device::Reset if any losable resource is still alive
+#
+# D3D9 rejects Device::Reset if there's still any alive resources of specific types.
+# (State blocks, additional swapchains, D3DPOOL_DEFAULT resources)
+# Some games leak resources leading to a hang.
+#
+# Supported values:
+# - True/False
+
+# d3d9.countLosableResources = True

src/d3d9/d3d9_device.cpp

@@ -464,7 +464,7 @@ namespace dxvk {
       * We have to check after ResetState clears the references held by SetTexture, etc.
       * This matches what Windows D3D9 does.
     */
-    if (unlikely(m_losableResourceCounter.load() != 0 && !IsExtended())) {
+    if (unlikely(m_losableResourceCounter.load() != 0 && !IsExtended() && m_d3d9Options.countLosableResources)) {
       Logger::warn(str::format("Device reset failed because device still has alive losable resources: Device not reset. Remaining resources: ", m_losableResourceCounter.load()));
       m_deviceLostState = D3D9DeviceLostState::NotReset;
       return D3DERR_INVALIDCALL;

src/d3d9/d3d9_options.cpp

@@ -76,6 +76,7 @@ namespace dxvk {
     this->deviceLossOnFocusLoss         = config.getOption<bool>        ("d3d9.deviceLossOnFocusLoss",         false);
     this->samplerLodBias                = config.getOption<float>       ("d3d9.samplerLodBias",                0.0f);
     this->clampNegativeLodBias          = config.getOption<bool>        ("d3d9.clampNegativeLodBias",          false);
+    this->countLosableResources         = config.getOption<bool>        ("d3d9.countLosableResources",         true);
 
     // Clamp LOD bias so that people don't abuse this in unintended ways
     this->samplerLodBias = dxvk::fclamp(this->samplerLodBias, -2.0f, 1.0f);

src/d3d9/d3d9_options.h

@@ -152,6 +152,9 @@ namespace dxvk {
 
     /// Enable emulation of device loss when a fullscreen app loses focus
     bool deviceLossOnFocusLoss;
+
+    /// Disable counting losable resources and rejecting calls to Reset() if any are still alive
+    bool countLosableResources;
   };
 
 }