DXGKDDI_CREATEPROCESS - NtDoc
Native API online documentation, based on the System Informer
(formerly Process Hacker) phnt
headers
// d3dkmddi.h
DXGKDDI_CREATEPROCESS DxgkddiCreateprocess;
NTSTATUS DxgkddiCreateprocess(
IN_CONST_HANDLE hAdapter,
INOUT_PDXGKARG_CREATEPROCESS pArgs
)
{...}
View the official Windows Driver Kit DDI referenceNo description available.
Dxgkrnl calls the kernel-mode display driver's (KMD) DxgkDdiCreateProcess function to create a kernel-mode driver (KMD) process object for a Dxgkrnl process object.
hAdapter[in] A handle to the display adapter.
pArgs[in/out] Pointer to a DXGKARG_CREATEPROCESS structure that describes the operation.
DxgkDdiCreateProcess returns STATUS_SUCCESS if it succeeds. Otherwise, it returns an appropriate NTSTATUS error code.
DxgkDdiCreateProcess allows the KMD to create a process context that allows the KMD to manage resources and permissions for processes, including those running in specialized environments like virtual machines and containers, ensuring proper graphics operations across different system contexts.
During process creation, the kernel-mode driver is allowed to call the DxgkCbReserveVirtualAddressRange callback. At this point the GPU virtual address space for the process is free and the driver has the opportunity to reserve virtual address space for its needs.
When CREATEPROCESSFLAGS::VirtualMachineWorkerProcess is set, the process belongs to the worker process of a virtual machine.