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[VIDEOPRT] Implement VideoPortCreateSecondaryDisplay

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This commit is contained in:
Hervé Poussineau 2021-06-23 08:54:27 +02:00
parent 545352c655
commit e9b5b22a8c
1 changed files with 38 additions and 2 deletions
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40
win32ss/drivers/videoprt/videoprt.c
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@ -1350,8 +1350,44 @@ VideoPortCreateSecondaryDisplay(
IN OUT PVOID *SecondaryDeviceExtension,
IN ULONG Flag)
{
UNIMPLEMENTED;
return ERROR_DEV_NOT_EXIST;
PDEVICE_OBJECT DeviceObject;
PVIDEO_PORT_DEVICE_EXTENSION FirstDeviceExtension, DeviceExtension;
NTSTATUS Status;
ASSERT(SecondaryDeviceExtension);
if (Flag != 0)
{
UNIMPLEMENTED;
}
FirstDeviceExtension = VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension);
if (FirstDeviceExtension->DisplayNumber != 0)
{
DPRINT1("Calling VideoPortCreateSecondaryDisplay for InstanceId %lu\n",
FirstDeviceExtension->DisplayNumber);
}
Status = IntVideoPortCreateAdapterDeviceObject(FirstDeviceExtension->DriverObject,
FirstDeviceExtension->DriverExtension,
FirstDeviceExtension->PhysicalDeviceObject,
FirstDeviceExtension->AdapterNumber,
FirstDeviceExtension->NumberOfSecondaryDisplays + 1,
&DeviceObject);
if (!NT_SUCCESS(Status))
{
DPRINT1("IntVideoPortCreateAdapterDeviceObject() failed with status 0x%08x\n", Status);
return ERROR_DEV_NOT_EXIST;
}
DeviceExtension = DeviceObject->DeviceExtension;
/* Increment secondary display count */
FirstDeviceExtension->NumberOfSecondaryDisplays++;
*SecondaryDeviceExtension = DeviceExtension->MiniPortDeviceExtension;
return NO_ERROR;
}
/*