Fixed the DXR samples so they can run on (I'm wheezing) Surface Book …

…3 and other MSHybrid systems.
microsoft · Nov 27, 2020 · 287324f · 287324f
1 parent 76146b8
commit 287324f
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Showing 4 changed files with 32 additions and 8 deletions.
diff --git a/Samples/Desktop/D3D12Raytracing/src/D3D12RaytracingHelloWorld/DeviceResources.cpp b/Samples/Desktop/D3D12Raytracing/src/D3D12RaytracingHelloWorld/DeviceResources.cpp
@@ -597,14 +597,20 @@ void DeviceResources::MoveToNextFrame()
     m_fenceValues[m_backBufferIndex] = currentFenceValue + 1;
 }
 
-// This method acquires the first available hardware adapter that supports Direct3D 12.
+// This method acquires the first high-performance hardware adapter that supports Direct3D 12.
 // If no such adapter can be found, try WARP. Otherwise throw an exception.
 void DeviceResources::InitializeAdapter(IDXGIAdapter1** ppAdapter)
 {
     *ppAdapter = nullptr;
 
     ComPtr<IDXGIAdapter1> adapter;
-    for (UINT adapterID = 0; DXGI_ERROR_NOT_FOUND != m_dxgiFactory->EnumAdapters1(adapterID, &adapter); ++adapterID)
+    ComPtr<IDXGIFactory6> factory6;
+    HRESULT hr = m_dxgiFactory.As(&factory6);
+    if (FAILED(hr))
+    {
+        throw exception("DXGI 1.6 not supported");
+    }
+    for (UINT adapterID = 0; DXGI_ERROR_NOT_FOUND != factory6->EnumAdapterByGpuPreference(adapterID, DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE, IID_PPV_ARGS(&adapter)); ++adapterID)
     {
         if (m_adapterIDoverride != UINT_MAX && adapterID != m_adapterIDoverride)
         {

diff --git a/Samples/Desktop/D3D12Raytracing/src/D3D12RaytracingLibrarySubobjects/DeviceResources.cpp b/Samples/Desktop/D3D12Raytracing/src/D3D12RaytracingLibrarySubobjects/DeviceResources.cpp
@@ -597,14 +597,20 @@ void DeviceResources::MoveToNextFrame()
     m_fenceValues[m_backBufferIndex] = currentFenceValue + 1;
 }
 
-// This method acquires the first available hardware adapter that supports Direct3D 12.
+// This method acquires the first high-performance hardware adapter that supports Direct3D 12.
 // If no such adapter can be found, try WARP. Otherwise throw an exception.
 void DeviceResources::InitializeAdapter(IDXGIAdapter1** ppAdapter)
 {
     *ppAdapter = nullptr;
 
     ComPtr<IDXGIAdapter1> adapter;
-    for (UINT adapterID = 0; DXGI_ERROR_NOT_FOUND != m_dxgiFactory->EnumAdapters1(adapterID, &adapter); ++adapterID)
+    ComPtr<IDXGIFactory6> factory6;
+    HRESULT hr = m_dxgiFactory.As(&factory6);
+    if (FAILED(hr))
+    {
+        throw exception("DXGI 1.6 not supported");
+    }
+    for (UINT adapterID = 0; DXGI_ERROR_NOT_FOUND != factory6->EnumAdapterByGpuPreference(adapterID, DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE, IID_PPV_ARGS(&adapter)); ++adapterID)
     {
         if (m_adapterIDoverride != UINT_MAX && adapterID != m_adapterIDoverride)
         {

diff --git a/...es/Desktop/D3D12Raytracing/src/D3D12RaytracingProceduralGeometry/util/DeviceResources.cpp b/...es/Desktop/D3D12Raytracing/src/D3D12RaytracingProceduralGeometry/util/DeviceResources.cpp
@@ -597,14 +597,20 @@ void DeviceResources::MoveToNextFrame()
     m_fenceValues[m_backBufferIndex] = currentFenceValue + 1;
 }
 
-// This method acquires the first available hardware adapter that supports Direct3D 12.
+// This method acquires the first high-performance hardware adapter that supports Direct3D 12.
 // If no such adapter can be found, try WARP. Otherwise throw an exception.
 void DeviceResources::InitializeAdapter(IDXGIAdapter1** ppAdapter)
 {
     *ppAdapter = nullptr;
 
     ComPtr<IDXGIAdapter1> adapter;
-    for (UINT adapterID = 0; DXGI_ERROR_NOT_FOUND != m_dxgiFactory->EnumAdapters1(adapterID, &adapter); ++adapterID)
+    ComPtr<IDXGIFactory6> factory6;
+    HRESULT hr = m_dxgiFactory.As(&factory6);
+    if (FAILED(hr))
+    {
+        throw exception("DXGI 1.6 not supported");
+    }
+    for (UINT adapterID = 0; DXGI_ERROR_NOT_FOUND != factory6->EnumAdapterByGpuPreference(adapterID, DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE, IID_PPV_ARGS(&adapter)); ++adapterID)
     {
         if (m_adapterIDoverride != UINT_MAX && adapterID != m_adapterIDoverride)
         {

diff --git a/Samples/Desktop/D3D12Raytracing/src/D3D12RaytracingSimpleLighting/DeviceResources.cpp b/Samples/Desktop/D3D12Raytracing/src/D3D12RaytracingSimpleLighting/DeviceResources.cpp
@@ -597,14 +597,20 @@ void DeviceResources::MoveToNextFrame()
     m_fenceValues[m_backBufferIndex] = currentFenceValue + 1;
 }
 
-// This method acquires the first available hardware adapter that supports Direct3D 12.
+// This method acquires the first high-performance hardware adapter that supports Direct3D 12.
 // If no such adapter can be found, try WARP. Otherwise throw an exception.
 void DeviceResources::InitializeAdapter(IDXGIAdapter1** ppAdapter)
 {
     *ppAdapter = nullptr;
 
     ComPtr<IDXGIAdapter1> adapter;
-    for (UINT adapterID = 0; DXGI_ERROR_NOT_FOUND != m_dxgiFactory->EnumAdapters1(adapterID, &adapter); ++adapterID)
+    ComPtr<IDXGIFactory6> factory6;
+    HRESULT hr = m_dxgiFactory.As(&factory6);
+    if (FAILED(hr))
+    {
+        throw exception("DXGI 1.6 not supported");
+    }
+    for (UINT adapterID = 0; DXGI_ERROR_NOT_FOUND != factory6->EnumAdapterByGpuPreference(adapterID, DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE, IID_PPV_ARGS(&adapter)); ++adapterID)
     {
         if (m_adapterIDoverride != UINT_MAX && adapterID != m_adapterIDoverride)
         {