// d3dumddi.h

PFND3DDDI_UPDATESUBRESOURCEUP Pfnd3dddiUpdatesubresourceup;

HRESULT Pfnd3dddiUpdatesubresourceup(
  HANDLE hDevice,
  const D3DDDIARG_UPDATESUBRESOURCEUP *unnamedParam2
)
{...}
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nc-d3dumddi-pfnd3dddi_updatesubresourceup)

PFND3DDDI_UPDATESUBRESOURCEUP callback function

Description

Called by the Microsoft Direct3D runtime to update a destination subresource region from a source system-memory region. Must be implemented by Windows Display Driver Model (WDDM) 1.3 and later user-mode display drivers.

Parameters

`hDevice`

A handle to the display device (graphics context).

`unnamedParam2`

pCounterInfo [in]

A pointer to a D3DDDIARG_UPDATESUBRESOURCEUP structure that describes how to update a destination subresource region from a source system-memory region.

Return value

If this routine succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

PFND3DDDI_UPDATESUBRESOURCEUP - NtDoc