Don't just die if the user doesn't have the dx debugging tools (#15249)

This PR gives the atlas engine an attempt to retry a couple operations
where it asks for debug flags when we're in debug mode. If you don't
have the Graphics debugger and GPU profiler for DirectX installed, then
these calls will fail, and we end up blowing up the renderer. Instead,
just try again.

Originally, I actually thought I had hit #14082, but after sorting this
out, it was just #14316.

closes #14316

src/renderer/atlas/AtlasEngine.r.cpp

@@ -120,8 +120,20 @@ void AtlasEngine::_recreateAdapter()
     static constexpr UINT flags = 0;
 #endif
 
-    // IID_PPV_ARGS doesn't work here for some reason.
-    THROW_IF_FAILED(CreateDXGIFactory2(flags, __uuidof(_p.dxgi.factory), _p.dxgi.factory.put_void()));
+// IID_PPV_ARGS doesn't work here for some reason.
+#pragma warning(suppress : 26496) // The variable 'hr' does not change after construction, mark it as const (con.4).
+    auto hr = CreateDXGIFactory2(flags, __uuidof(_p.dxgi.factory), _p.dxgi.factory.put_void());
+
+#ifndef NDEBUG
+    // This might be due to missing the "Graphics debugger and GPU profiler for
+    // DirectX" tools. Just as a sanity check, try again without
+    // `DXGI_CREATE_FACTORY_DEBUG`
+    if (FAILED(hr))
+    {
+        hr = CreateDXGIFactory2(0, __uuidof(_p.dxgi.factory), _p.dxgi.factory.put_void());
+    }
+#endif
+    THROW_IF_FAILED(hr);
 
     wil::com_ptr<IDXGIAdapter1> adapter;
     DXGI_ADAPTER_DESC1 desc{};
@@ -189,7 +201,8 @@ void AtlasEngine::_recreateBackend()
         D3D_FEATURE_LEVEL_9_1,
     };
 
-    THROW_IF_FAILED(D3D11CreateDevice(
+#pragma warning(suppress : 26496) // The variable 'hr' does not change after construction, mark it as const (con.4).
+    auto hr = D3D11CreateDevice(
         /* pAdapter */ _p.dxgi.adapter.get(),
         /* DriverType */ D3D_DRIVER_TYPE_UNKNOWN,
         /* Software */ nullptr,
@@ -199,7 +212,30 @@ void AtlasEngine::_recreateBackend()
         /* SDKVersion */ D3D11_SDK_VERSION,
         /* ppDevice */ device0.put(),
         /* pFeatureLevel */ &featureLevel,
-        /* ppImmediateContext */ deviceContext0.put()));
+        /* ppImmediateContext */ deviceContext0.put());
+
+#ifndef NDEBUG
+    if (hr == DXGI_ERROR_SDK_COMPONENT_MISSING)
+    {
+        // This might happen if you don't have "Graphics debugger and GPU
+        // profiler for DirectX" installed in VS. We shouln't just explode if
+        // you don't though - instead, disable debugging and try again.
+        WI_ClearFlag(deviceFlags, D3D11_CREATE_DEVICE_DEBUG);
+
+        hr = D3D11CreateDevice(
+            /* pAdapter */ _p.dxgi.adapter.get(),
+            /* DriverType */ D3D_DRIVER_TYPE_UNKNOWN,
+            /* Software */ nullptr,
+            /* Flags */ deviceFlags,
+            /* pFeatureLevels */ featureLevels.data(),
+            /* FeatureLevels */ gsl::narrow_cast<UINT>(featureLevels.size()),
+            /* SDKVersion */ D3D11_SDK_VERSION,
+            /* ppDevice */ device0.put(),
+            /* pFeatureLevel */ &featureLevel,
+            /* ppImmediateContext */ deviceContext0.put());
+    }
+#endif
+    THROW_IF_FAILED(hr);
 
     auto device = device0.query<ID3D11Device2>();
     auto deviceContext = deviceContext0.query<ID3D11DeviceContext2>();