Fix DFR issues with DX12.

mbucchia · Sep 21, 2022 · bd82613 · bd82613
1 parent 4689e28
commit bd82613
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/XR_APILAYER_NOVENDOR_toolkit/d3d12.cpp b/XR_APILAYER_NOVENDOR_toolkit/d3d12.cpp
@@ -934,7 +934,9 @@ namespace {
         // OpenXR will not allow more than 2 frames in-flight, so 2 would be sufficient, however we might split the
         // processing in two due to text rendering, so multiply this number by 2. Oh and also we have the app GPU
         // timer, so multiply again by 2.
-        static constexpr size_t NumInflightContexts = 8;
+        // We also perform eye tracked foveated rendering mask update in this context, which is dependent on the number
+        // of passes rendered by the app and the number of masks being used per frame. We chose 24 as a wide default.
+        static constexpr size_t NumInflightContexts = 8 + 24;
 
       public:
         D3D12Device(ID3D12Device* device,