PFND3DDDI_DISCARD callback function (d3dumddi.h)
Discards (evicts) a set of subresources from video display memory. Implemented by Windows Display Driver Model (WDDM) 1.2 and later user-mode display drivers.
Syntax
PFND3DDDI_DISCARD Pfnd3dddiDiscard;
HRESULT Pfnd3dddiDiscard(
HANDLE hDevice,
const D3DDDIARG_DISCARD *unnamedParam2
)
{...}
Parameters
hDevice
A handle to the display device (graphics context).
unnamedParam2
pData [in]
A pointer to a D3DDDIARG_DISCARD structure that defines the set of subresources that is to be discarded.
Return value
Returns S_OK if successful, or an appropriate error result if the operation is not successful.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8 |
| Minimum supported server | Windows Server 2012 |
| Target Platform | Desktop |
| Header | d3dumddi.h (include D3dumddi.h) |