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[WIN32SS:ENG] Add some debugging

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This commit is contained in:
Hervé Poussineau
2025-06-08 09:00:58 +02:00
parent 85cde17c46
commit 90b12e88a5
1 changed files with 10 additions and 2 deletions
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12
win32ss/gdi/eng/device.c
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@@ -572,6 +572,7 @@ EngpUpdateMonitorDevices(
PVIDEO_MONITOR_DEVICE pMonitorDevices;
ULONG i, bytesWritten, monitorCount;
NTSTATUS Status;
ERR("EngpUpdateMonitorDevices(%p)\n", pGraphicsDevice);
/* Request right PDO for device relations */
Status = EngpPnPTargetRelationRequest(pGraphicsDevice->DeviceObject, &pDeviceRelations);
@@ -605,13 +606,18 @@ EngpUpdateMonitorDevices(
/* Count number of available monitors */
for (monitorCount = 0; pMonitorDevices[monitorCount].pdo; ++monitorCount)
;
ERR("- got monitor PDO %p\n", pMonitorDevices[monitorCount].pdo);
ERR("Got %d monitors\n", monitorCount);
if (pGraphicsDevice->pvMonDev)
{
/* Erase everything */
ERR("Erasing existing list (%d monitors)\n", pGraphicsDevice->dwMonCnt);
for (i = 0; i < pGraphicsDevice->dwMonCnt; i++)
{
ERR("- dereferencing PDO %p\n", pGraphicsDevice->pvMonDev[i].pdo);
ObDereferenceObject(pGraphicsDevice->pvMonDev[i].pdo);
}
ExFreePoolWithTag(pGraphicsDevice->pvMonDev, GDITAG_GDEVICE);
pGraphicsDevice->pvMonDev = NULL;
pGraphicsDevice->dwMonCnt = 0;
@@ -624,6 +630,7 @@ EngpUpdateMonitorDevices(
GDITAG_GDEVICE);
if (!pGraphicsDevice->pvMonDev)
{
ERR("Failed to allocate memory for %d monitors\n", monitorCount);
for (i = 0; pMonitorDevices[i].pdo; ++i)
ObDereferenceObject(pMonitorDevices[i].pdo);
ExFreePool(pMonitorDevices);
@@ -633,9 +640,10 @@ EngpUpdateMonitorDevices(
/* Copy data */
for (i = 0; i < monitorCount; i++)
{
TRACE("%S\\Monitor%u: PDO %p HwID %u\n", pGraphicsDevice->szWinDeviceName, i, pMonitorDevices[i].pdo, pMonitorDevices[i].HwID);
ERR("- %S\\Monitor%u: PDO %p HwID %u\n", pGraphicsDevice->szWinDeviceName, i, pMonitorDevices[i].pdo, pMonitorDevices[i].HwID);
pGraphicsDevice->pvMonDev[pGraphicsDevice->dwMonCnt++] = pMonitorDevices[i];
}
ERR("Current monitor count is %d\n", pGraphicsDevice->dwMonCnt);
}
ExFreePool(pMonitorDevices);