// d3d10umddi.h

PFND3D10DDI_STATE_RS_VIEWPORTS_CB Pfnd3d10ddiStateRsViewportsCb;

void Pfnd3d10ddiStateRsViewportsCb(
  D3D10DDI_HRTCORELAYER unnamedParam1
)
{...}
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Windows Driver Kit DDI reference (nc-d3d10umddi-pfnd3d10ddi_state_rs_viewports_cb)

PFND3D10DDI_STATE_RS_VIEWPORTS_CB callback function

Description

The pfnStateRsViewportsCb function causes the Microsoft Direct3D 10 runtime to refresh the viewport state.

Parameters

`unnamedParam1`

hRuntimeDevice [in]

A handle to a context for the core Direct3D 10 runtime. This handle is supplied to the driver in a call to the driver's CreateDevice(D3D10) function.

Remarks

The pfnStateRsViewportsCb function calls the user-mode display driver's SetViewports function with all of the currently set viewports.

PFND3D10DDI_STATE_RS_VIEWPORTS_CB - NtDoc