PFND3D11_1DDI_DISCARD callback function (d3d10umddi.h)
Discards (evicts) an allocation from video display memory. Implemented by Windows Display Driver Model (WDDM) 1.2 and later user-mode display drivers.
Syntax
PFND3D11_1DDI_DISCARD Pfnd3d111DdiDiscard;
void Pfnd3d111DdiDiscard(
D3D10DDI_HDEVICE unnamedParam1,
D3D11DDI_HANDLETYPE HandleType,
VOID *hResourceOrView,
const D3D10_DDI_RECT *unnamedParam4,
UINT NumRects
)
{...}
Parameters
unnamedParam1
hDevice [in]
A handle to the display device (graphics context).
HandleType
A value, of type D3D11DDI_HANDLETYPE, that identifies the context handle type.
hResourceOrView
A pointer to a handle to the resource or to the view that is to be discarded.
unnamedParam4
pRects [in, optional]
An optional array of RECT structures for the rectangles in the resource view to discard. If NULL, the Discard(D3D11_1) function discards the entire surface.
NumRects
The number of rectangles in the array that the pRects parameter specifies.
Return value
None
Remarks
The D3D10_DDI_RECT structure is defined as a RECT structure.
typedef RECT D3D10_DDI_RECT;
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 |
| Minimum supported server | Windows Server 2012 |
| Target Platform | Desktop |
| Header | d3d10umddi.h (include D3d10umddi.h) |