d3d11: request devices up to feature level 11.1

As a side-effect, this blocks execution on any system that does not have
the full 11.1 runtime, like Windows Vista/7.

1 files changed, 16 insertions, 2 deletions

diff --git a/decoder/LAVVideo/decoders/d3d11va.cpp b/decoder/LAVVideo/decoders/d3d11va.cpp
index c9266b32..3107deab 100644
--- a/decoder/LAVVideo/decoders/d3d11va.cpp
+++ b/decoder/LAVVideo/decoders/d3d11va.cpp
@@ -31,6 +31,17 @@ ILAVDecoder *CreateDecoderD3D11()
 // D3D11 decoder implementation
 ////////////////////////////////////////////////////////////////////////////////
 
+static const D3D_FEATURE_LEVEL s_D3D11Levels[] =
+{
+  D3D_FEATURE_LEVEL_11_1,
+  D3D_FEATURE_LEVEL_11_0,
+  D3D_FEATURE_LEVEL_10_1,
+  D3D_FEATURE_LEVEL_10_0,
+  D3D_FEATURE_LEVEL_9_3,
+  D3D_FEATURE_LEVEL_9_2,
+  D3D_FEATURE_LEVEL_9_1,
+};
+
 CDecD3D11::CDecD3D11(void)
   : CDecAvcodec()
 {
@@ -128,7 +139,7 @@ STDMETHODIMP CDecD3D11::Check()
 {
   // attempt creating a hardware device with video support
   // by passing nullptr to the device parameter, no actual device will be created and only support will be checked
-  HRESULT hr = dx.mD3D11CreateDevice(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, D3D11_CREATE_DEVICE_VIDEO_SUPPORT, nullptr, 0, D3D11_SDK_VERSION, nullptr, nullptr, nullptr);
+  HRESULT hr = dx.mD3D11CreateDevice(nullptr, D3D_DRIVER_TYPE_HARDWARE, nullptr, D3D11_CREATE_DEVICE_VIDEO_SUPPORT, s_D3D11Levels, countof(s_D3D11Levels), D3D11_SDK_VERSION, nullptr, nullptr, nullptr);
   return hr;
 }
 
@@ -190,7 +201,8 @@ enum_adapter:
     }
   }
 
-  hr = dx.mD3D11CreateDevice(pDXGIAdapter, D3D_DRIVER_TYPE_UNKNOWN, nullptr, D3D11_CREATE_DEVICE_VIDEO_SUPPORT, nullptr, 0, D3D11_SDK_VERSION, &pD3D11Device, nullptr, nullptr);
+  D3D_FEATURE_LEVEL d3dFeatureLevel;
+  hr = dx.mD3D11CreateDevice(pDXGIAdapter, D3D_DRIVER_TYPE_UNKNOWN, nullptr, D3D11_CREATE_DEVICE_VIDEO_SUPPORT, s_D3D11Levels, countof(s_D3D11Levels), D3D11_SDK_VERSION, &pD3D11Device, &d3dFeatureLevel, nullptr);
   if (FAILED(hr))
   {
     if (nDeviceIndex != 0)
@@ -205,6 +217,8 @@ enum_adapter:
     goto fail;
   }
 
+  DbgLog((LOG_TRACE, 10, L"-> Created D3D11 device with feature level %d.%d", d3dFeatureLevel >> 12, (d3dFeatureLevel >> 8) & 0xF));
+
   // enable multithreaded protection
   ID3D10Multithread *pMultithread = nullptr;
   hr = pD3D11Device->QueryInterface(&pMultithread);