From 5445c4c8aabdb64e50906246324ede220e870e5d Mon Sep 17 00:00:00 2001
From: Giovanni Mascellani <gmascellani@codeweavers.com>
Date: Wed, 8 May 2024 11:19:28 +0200
Subject: [PATCH] vkd3d: Handle D3D12_FEATURE_D3D12_OPTIONS15 in
 CheckFeatureSupport().

---
 include/vkd3d_d3d12.idl |  7 +++++++
 libs/vkd3d/device.c     | 17 +++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/include/vkd3d_d3d12.idl b/include/vkd3d_d3d12.idl
index ecda1a40..35994c20 100644
--- a/include/vkd3d_d3d12.idl
+++ b/include/vkd3d_d3d12.idl
@@ -2454,6 +2454,12 @@ typedef struct D3D12_FEATURE_DATA_D3D12_OPTIONS14
     BOOL IndependentFrontAndBackStencilRefMaskSupported;
 } D3D12_FEATURE_DATA_D3D12_OPTIONS14;
 
+typedef struct D3D12_FEATURE_DATA_D3D12_OPTIONS15
+{
+    BOOL TriangleFanSupported;
+    BOOL DynamicIndexBufferStripCutSupported;
+} D3D12_FEATURE_DATA_D3D12_OPTIONS15;
+
 typedef enum D3D12_FEATURE
 {
     D3D12_FEATURE_D3D12_OPTIONS = 0,
@@ -2490,6 +2496,7 @@ typedef enum D3D12_FEATURE
     D3D12_FEATURE_D3D12_OPTIONS12 = 41,
     D3D12_FEATURE_D3D12_OPTIONS13 = 42,
     D3D12_FEATURE_D3D12_OPTIONS14 = 43,
+    D3D12_FEATURE_D3D12_OPTIONS15 = 44,
 } D3D12_FEATURE;
 
 typedef struct D3D12_MEMCPY_DEST
diff --git a/libs/vkd3d/device.c b/libs/vkd3d/device.c
index 58a58050..ba745e54 100644
--- a/libs/vkd3d/device.c
+++ b/libs/vkd3d/device.c
@@ -3938,6 +3938,23 @@ static HRESULT STDMETHODCALLTYPE d3d12_device_CheckFeatureSupport(ID3D12Device9
             return S_OK;
         }
 
+        case D3D12_FEATURE_D3D12_OPTIONS15:
+        {
+            D3D12_FEATURE_DATA_D3D12_OPTIONS15 *data = feature_data;
+
+            if (feature_data_size != sizeof(*data))
+            {
+                WARN("Invalid size %u.\n", feature_data_size);
+            }
+
+            data->TriangleFanSupported = FALSE;
+            data->DynamicIndexBufferStripCutSupported = FALSE;
+
+            TRACE("Triangle fan %#x.\n", data->TriangleFanSupported);
+            TRACE("Dynamic index buffer strip cut %#x.\n", data->DynamicIndexBufferStripCutSupported);
+            return S_OK;
+        }
+
         default:
             FIXME("Unhandled feature %#x.\n", feature);
             return E_NOTIMPL;