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Only use DirectX 11.1 on Windows 8 or higher (bug 893221, r=bas).

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--HG--
extra : rebase_source : 147493bef3e487c6ab5424c3e4a4fd2fd2440e09
This commit is contained in:
David Anderson 2013-07-24 11:52:54 -04:00
parent 446e746c5c
commit 562e0d0eac
1 changed files with 9 additions and 8 deletions
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17
gfx/thebes/gfxWindowsPlatform.cpp
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@ -1463,13 +1463,14 @@ gfxWindowsPlatform::GetD3D11Device()
return nullptr;
}
D3D_FEATURE_LEVEL featureLevels[] = {
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
};
nsTArray<D3D_FEATURE_LEVEL> featureLevels;
if (gfxWindowsPlatform::WindowsOSVersion() >= gfxWindowsPlatform::kWindows8) {
featureLevels.AppendElement(D3D_FEATURE_LEVEL_11_1);
}
featureLevels.AppendElement(D3D_FEATURE_LEVEL_11_0);
featureLevels.AppendElement(D3D_FEATURE_LEVEL_10_1);
featureLevels.AppendElement(D3D_FEATURE_LEVEL_10_0);
featureLevels.AppendElement(D3D_FEATURE_LEVEL_9_3);
RefPtr<IDXGIAdapter1> adapter = GetDXGIAdapter();
@ -1479,7 +1480,7 @@ gfxWindowsPlatform::GetD3D11Device()
HRESULT hr = d3d11CreateDevice(adapter, D3D_DRIVER_TYPE_UNKNOWN, NULL,
D3D11_CREATE_DEVICE_BGRA_SUPPORT,
featureLevels, sizeof(featureLevels) / sizeof(D3D_FEATURE_LEVEL),
featureLevels.Elements(), featureLevels.Length(),
D3D11_SDK_VERSION, byRef(mD3D11Device), nullptr, nullptr);
// We leak these everywhere and we need them our entire runtime anyway, let's