BOOLEAN EtpInitializeD3DStatistics(
VOID
)
{
LOGICAL result;
HDEVINFO deviceInfoSet;
ULONG memberIndex;
SP_DEVICE_INTERFACE_DATA deviceInterfaceData;
PSP_DEVICE_INTERFACE_DETAIL_DATA detailData;
SP_DEVINFO_DATA deviceInfoData;
ULONG detailDataSize;
D3DKMT_OPENADAPTERFROMDEVICENAME openAdapterFromDeviceName;
D3DKMT_QUERYSTATISTICS queryStatistics;
deviceInfoSet = SetupDiGetClassDevsW_I(&GUID_DISPLAY_DEVICE_ARRIVAL_I, NULL, NULL, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT);
if (!deviceInfoSet)
return FALSE;
memberIndex = 0;
deviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
while (SetupDiEnumDeviceInterfaces_I(deviceInfoSet, NULL, &GUID_DISPLAY_DEVICE_ARRIVAL_I, memberIndex, &deviceInterfaceData))
{
detailDataSize = 0x100;
detailData = PhAllocate(detailDataSize);
detailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
deviceInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
if (!(result = SetupDiGetDeviceInterfaceDetailW_I(deviceInfoSet, &deviceInterfaceData, detailData, detailDataSize, &detailDataSize, &deviceInfoData)) &&
GetLastError() == ERROR_INSUFFICIENT_BUFFER)
{
PhFree(detailData);
detailData = PhAllocate(detailDataSize);
if (detailDataSize >= sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA))
detailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
result = SetupDiGetDeviceInterfaceDetailW_I(deviceInfoSet, &deviceInterfaceData, detailData, detailDataSize, &detailDataSize, &deviceInfoData);
}
if (result)
{
openAdapterFromDeviceName.pDeviceName = detailData->DevicePath;
if (NT_SUCCESS(D3DKMTOpenAdapterFromDeviceName_I(&openAdapterFromDeviceName)))
{
memset(&queryStatistics, 0, sizeof(D3DKMT_QUERYSTATISTICS));
queryStatistics.Type = D3DKMT_QUERYSTATISTICS_ADAPTER;
queryStatistics.AdapterLuid = openAdapterFromDeviceName.AdapterLuid;
if (NT_SUCCESS(D3DKMTQueryStatistics_I(&queryStatistics)))
{
PETP_GPU_ADAPTER gpuAdapter;
ULONG i;
gpuAdapter = EtpAllocateGpuAdapter(queryStatistics.QueryResult.AdapterInformation.NbSegments);
gpuAdapter->AdapterLuid = openAdapterFromDeviceName.AdapterLuid;
gpuAdapter->Description = EtpQueryDeviceDescription(deviceInfoSet, &deviceInfoData);
gpuAdapter->NodeCount = queryStatistics.QueryResult.AdapterInformation.NodeCount;
gpuAdapter->SegmentCount = queryStatistics.QueryResult.AdapterInformation.NbSegments;
RtlInitializeBitMap(&gpuAdapter->ApertureBitMap, gpuAdapter->ApertureBitMapBuffer, queryStatistics.QueryResult.AdapterInformation.NbSegments);
PhAddItemList(EtpGpuAdapterList, gpuAdapter);
EtGpuTotalNodeCount += gpuAdapter->NodeCount;
EtGpuTotalSegmentCount += gpuAdapter->SegmentCount;
gpuAdapter->FirstNodeIndex = EtGpuNextNodeIndex;
EtGpuNextNodeIndex += gpuAdapter->NodeCount;
for (i = 0; i < gpuAdapter->SegmentCount; i++)
{
memset(&queryStatistics, 0, sizeof(D3DKMT_QUERYSTATISTICS));
queryStatistics.Type = D3DKMT_QUERYSTATISTICS_SEGMENT;
queryStatistics.AdapterLuid = gpuAdapter->AdapterLuid;
queryStatistics.QuerySegment.SegmentId = i;
if (NT_SUCCESS(D3DKMTQueryStatistics_I(&queryStatistics)))
{
ULONG64 commitLimit;
ULONG aperture;
commitLimit = queryStatistics.QueryResult.SegmentInformation.CommitLimit;
aperture = queryStatistics.QueryResult.SegmentInformation.Aperture;
if (aperture)
EtGpuSharedLimit += commitLimit;
else
EtGpuDedicatedLimit += commitLimit;
if (aperture)
RtlSetBits(&gpuAdapter->ApertureBitMap, i, 1);
}
}
}
}
}
PhFree(detailData);
memberIndex++;
}
SetupDiDestroyDeviceInfoList_I(deviceInfoSet);
EtGpuNodeBitMapBuffer = PhAllocate(BYTES_NEEDED_FOR_BITS(EtGpuTotalNodeCount));
RtlInitializeBitMap(&EtGpuNodeBitMap, EtGpuNodeBitMapBuffer, EtGpuTotalNodeCount);
RtlSetBits(&EtGpuNodeBitMap, 0, 1);
EtGpuNodeBitMapBitsSet = 1;
return TRUE;
}
BOOLEAN EtpInitializeD3DStatistics(
VOID
)
{
PWSTR deviceInterfaceList;
ULONG deviceInterfaceListLength = 0;
PWSTR deviceInterface;
D3DKMT_OPENADAPTERFROMDEVICENAME openAdapterFromDeviceName;
D3DKMT_QUERYSTATISTICS queryStatistics;
D3DKMT_CLOSEADAPTER closeAdapter;
if (CM_Get_Device_Interface_List_Size(
&deviceInterfaceListLength,
(PGUID)&GUID_DISPLAY_DEVICE_ARRIVAL,
NULL,
CM_GET_DEVICE_INTERFACE_LIST_PRESENT
) != CR_SUCCESS)
{
return FALSE;
}
deviceInterfaceList = PhAllocate(deviceInterfaceListLength * sizeof(WCHAR));
memset(deviceInterfaceList, 0, deviceInterfaceListLength * sizeof(WCHAR));
if (CM_Get_Device_Interface_List(
(PGUID)&GUID_DISPLAY_DEVICE_ARRIVAL,
NULL,
deviceInterfaceList,
deviceInterfaceListLength,
CM_GET_DEVICE_INTERFACE_LIST_PRESENT
) != CR_SUCCESS)
{
PhFree(deviceInterfaceList);
return FALSE;
}
for (deviceInterface = deviceInterfaceList; *deviceInterface; deviceInterface += PhCountStringZ(deviceInterface) + 1)
{
memset(&openAdapterFromDeviceName, 0, sizeof(D3DKMT_OPENADAPTERFROMDEVICENAME));
openAdapterFromDeviceName.pDeviceName = deviceInterface;
if (NT_SUCCESS(D3DKMTOpenAdapterFromDeviceName(&openAdapterFromDeviceName)))
{
memset(&queryStatistics, 0, sizeof(D3DKMT_QUERYSTATISTICS));
queryStatistics.Type = D3DKMT_QUERYSTATISTICS_ADAPTER;
queryStatistics.AdapterLuid = openAdapterFromDeviceName.AdapterLuid;
if (NT_SUCCESS(D3DKMTQueryStatistics(&queryStatistics)))
{
PETP_GPU_ADAPTER gpuAdapter;
ULONG i;
gpuAdapter = EtpAllocateGpuAdapter(queryStatistics.QueryResult.AdapterInformation.NbSegments);
gpuAdapter->AdapterLuid = openAdapterFromDeviceName.AdapterLuid;
gpuAdapter->Description = EtpQueryDeviceDescription(deviceInterface);
gpuAdapter->NodeCount = queryStatistics.QueryResult.AdapterInformation.NodeCount;
gpuAdapter->SegmentCount = queryStatistics.QueryResult.AdapterInformation.NbSegments;
RtlInitializeBitMap(&gpuAdapter->ApertureBitMap, gpuAdapter->ApertureBitMapBuffer, queryStatistics.QueryResult.AdapterInformation.NbSegments);
PhAddItemList(EtpGpuAdapterList, gpuAdapter);
EtGpuTotalNodeCount += gpuAdapter->NodeCount;
EtGpuTotalSegmentCount += gpuAdapter->SegmentCount;
gpuAdapter->FirstNodeIndex = EtGpuNextNodeIndex;
EtGpuNextNodeIndex += gpuAdapter->NodeCount;
for (i = 0; i < gpuAdapter->SegmentCount; i++)
{
memset(&queryStatistics, 0, sizeof(D3DKMT_QUERYSTATISTICS));
queryStatistics.Type = D3DKMT_QUERYSTATISTICS_SEGMENT;
queryStatistics.AdapterLuid = gpuAdapter->AdapterLuid;
queryStatistics.QuerySegment.SegmentId = i;
if (NT_SUCCESS(D3DKMTQueryStatistics(&queryStatistics)))
{
ULONG64 commitLimit;
ULONG aperture;
if (WindowsVersion >= WINDOWS_8)
{
commitLimit = queryStatistics.QueryResult.SegmentInformation.CommitLimit;
aperture = queryStatistics.QueryResult.SegmentInformation.Aperture;
}
else
{
commitLimit = queryStatistics.QueryResult.SegmentInformationV1.CommitLimit;
aperture = queryStatistics.QueryResult.SegmentInformationV1.Aperture;
}
if (aperture)
EtGpuSharedLimit += commitLimit;
else
EtGpuDedicatedLimit += commitLimit;
if (aperture)
RtlSetBits(&gpuAdapter->ApertureBitMap, i, 1);
}
}
}
memset(&closeAdapter, 0, sizeof(D3DKMT_CLOSEADAPTER));
closeAdapter.hAdapter = openAdapterFromDeviceName.hAdapter;
D3DKMTCloseAdapter(&closeAdapter);
}
}
PhFree(deviceInterfaceList);
EtGpuNodeBitMapBuffer = PhAllocate(BYTES_NEEDED_FOR_BITS(EtGpuTotalNodeCount));
RtlInitializeBitMap(&EtGpuNodeBitMap, EtGpuNodeBitMapBuffer, EtGpuTotalNodeCount);
RtlSetBits(&EtGpuNodeBitMap, 0, 1);
EtGpuNodeBitMapBitsSet = 1;
return TRUE;
}
