GPA_Status GPA_IMP_VerifyHWSupport(void* pContext, GPA_HWInfo* pHwInfo)
{
GPA_Status result = GPA_STATUS_OK;
if ((nullptr == pContext) || (nullptr == pHwInfo))
{
result = GPA_STATUS_ERROR_FAILED;
}
else
{
IUnknown* pUnknown = static_cast<IUnknown*>(pContext);
ID3D12GraphicsCommandList* pCommandList = nullptr;
HRESULT hr = pUnknown->QueryInterface(__uuidof(ID3D12GraphicsCommandList), reinterpret_cast<void**>(&pCommandList));
if (S_OK != hr)
{
GPA_LogError("Failed to get command list from context");
result = GPA_STATUS_ERROR_FAILED;
}
else
{
ID3D12Device* pDevice;
hr = pCommandList->GetDevice(__uuidof(ID3D12Device), reinterpret_cast<void**>(&pDevice));
if (S_OK != hr)
{
GPA_LogError("Failed to get D3D12 device");
result = GPA_STATUS_ERROR_FAILED;
}
else
{
D3D12_FEATURE_DATA_FEATURE_LEVELS featureLevels;
static const D3D_FEATURE_LEVEL requestedFeatureLevels[] =
{
D3D_FEATURE_LEVEL_11_0,
D3D_FEATURE_LEVEL_11_1,
};
featureLevels.NumFeatureLevels =
(sizeof(requestedFeatureLevels) / sizeof(D3D_FEATURE_LEVEL));
featureLevels.pFeatureLevelsRequested = requestedFeatureLevels;
featureLevels.MaxSupportedFeatureLevel = D3D_FEATURE_LEVEL_11_1;
hr = pDevice->CheckFeatureSupport(
D3D12_FEATURE_FEATURE_LEVELS, &featureLevels, sizeof(featureLevels));
if (S_OK != hr)
{
GPA_LogError("Failed to get D3D12 device feature levels");
result = GPA_STATUS_ERROR_FAILED;
}
else
{
if (D3D_FEATURE_LEVEL_11_0 > featureLevels.MaxSupportedFeatureLevel)
{
result = GPA_STATUS_ERROR_HARDWARE_NOT_SUPPORTED;
}
else
{
// TODO Once DX12 performance extension is available, check
// it's possible to create a HW counter
}
}
pDevice->Release();
}
pCommandList->Release();
}
}
return result;
} // end of GPA_IMP_VerifyHwSupport
