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rhi: d3d11: Add activeAdapter null check

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...to match 6.8 that has this added as part of a backport.

The D3D12 backend has this already. Still, move the
resetting of the variable to the outer scope in that one
too, to cover both code paths.

Change-Id: Ie4ba22ff9f2a2f6882dd2d5e3063c4e6701fa95c
Reviewed-by: Andy Nichols <andy.nichols@qt.io>
(cherry picked from commit 35dd681f2ba00e7196e59309d76f920ad8807205)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Laszlo Agocs 2025-03-25 10:42:44 +01:00 committed by Qt Cherry-pick Bot
parent e6a294a69b
commit 8121b39921
2 changed files with 8 additions and 2 deletions
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7
src/gui/rhi/qrhid3d11.cpp
View File

@ -240,6 +240,8 @@ bool QRhiD3D11::create(QRhi::Flags flags)
if (maxFrameLatency == 0)
qCDebug(QRHI_LOG_INFO, "Disabling FRAME_LATENCY_WAITABLE_OBJECT usage");
activeAdapter = nullptr;
if (!importedDeviceAndContext) {
IDXGIAdapter1 *adapter;
int requestedAdapterIndex = -1;
@ -273,7 +275,6 @@ bool QRhiD3D11::create(QRhi::Flags flags)
}
}
activeAdapter = nullptr;
for (int adapterIndex = 0; dxgiFactory->EnumAdapters1(UINT(adapterIndex), &adapter) != DXGI_ERROR_NOT_FOUND; ++adapterIndex) {
DXGI_ADAPTER_DESC1 desc;
adapter->GetDesc1(&desc);
@ -391,6 +392,10 @@ bool QRhiD3D11::create(QRhi::Flags flags)
}
dxgiDev->Release();
}
if (!activeAdapter) {
qWarning("Failed to query adapter from imported device");
return false;
}
qCDebug(QRHI_LOG_INFO, "Using imported device %p", dev);
}

3
src/gui/rhi/qrhid3d12.cpp
View File

@ -249,6 +249,8 @@ bool QRhiD3D12::create(QRhi::Flags flags)
}
}
activeAdapter = nullptr;
if (!importedDevice) {
IDXGIAdapter1 *adapter;
int requestedAdapterIndex = -1;
@ -282,7 +284,6 @@ bool QRhiD3D12::create(QRhi::Flags flags)
}
}
activeAdapter = nullptr;
for (int adapterIndex = 0; dxgiFactory->EnumAdapters1(UINT(adapterIndex), &adapter) != DXGI_ERROR_NOT_FOUND; ++adapterIndex) {
DXGI_ADAPTER_DESC1 desc;
adapter->GetDesc1(&desc);