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D3DBase: Implement Windows 7 swapchain fallback.

This commit is contained in:
Jules Blok 2017-07-10 01:02:29 +02:00
parent 938939136e
commit 77a318789a
1 changed files with 12 additions and 5 deletions
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15
Source/Core/VideoBackends/D3D/D3DBase.cpp
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@ -317,10 +317,6 @@ HRESULT Create(HWND wnd)
supported_feature_levels, NUM_SUPPORTED_FEATURE_LEVELS, supported_feature_levels, NUM_SUPPORTED_FEATURE_LEVELS,
D3D11_SDK_VERSION, &device, &featlevel, &context); D3D11_SDK_VERSION, &device, &featlevel, &context);
if (SUCCEEDED(hr))
hr = factory->CreateSwapChainForHwnd(device, hWnd, &swap_chain_desc, nullptr, nullptr,
&swapchain);
// Debugbreak on D3D error // Debugbreak on D3D error
if (SUCCEEDED(hr) && SUCCEEDED(device->QueryInterface(__uuidof(ID3D11Debug), (void**)&debug))) if (SUCCEEDED(hr) && SUCCEEDED(device->QueryInterface(__uuidof(ID3D11Debug), (void**)&debug)))
{ {
@ -348,10 +344,21 @@ HRESULT Create(HWND wnd)
D3D11_CREATE_DEVICE_SINGLETHREADED, supported_feature_levels, D3D11_CREATE_DEVICE_SINGLETHREADED, supported_feature_levels,
NUM_SUPPORTED_FEATURE_LEVELS, D3D11_SDK_VERSION, &device, &featlevel, NUM_SUPPORTED_FEATURE_LEVELS, D3D11_SDK_VERSION, &device, &featlevel,
&context); &context);
}
if (SUCCEEDED(hr)) if (SUCCEEDED(hr))
{
hr = factory->CreateSwapChainForHwnd(device, hWnd, &swap_chain_desc, nullptr, nullptr, hr = factory->CreateSwapChainForHwnd(device, hWnd, &swap_chain_desc, nullptr, nullptr,
&swapchain); &swapchain);
if (FAILED(hr))
{
// Some swapchain features aren't supported on Windows 7, so here we fall back to legacy
// swapchain features
swap_chain_desc.Stereo = FALSE;
swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_SEQUENTIAL;
hr = factory->CreateSwapChainForHwnd(device, hWnd, &swap_chain_desc, nullptr, nullptr,
&swapchain);
}
} }
if (FAILED(hr)) if (FAILED(hr))