PFND3D12DDI_ALLOCATE_CB_0022 callback function (d3d12umddi.h)
The pfnAllocateCb callback function controls heap allocation by using a D3D12DDICB_ALLOCATE_0022 value.
Syntax
PFND3D12DDI_ALLOCATE_CB_0022 Pfnd3d12ddiAllocateCb0022;
HRESULT Pfnd3d12ddiAllocateCb0022(
D3D12DDI_HRTDEVICE unnamedParam1,
D3D12DDICB_ALLOCATE_0022 *unnamedParam2
)
{...}
Parameters
unnamedParam1
The handle for a device.
unnamedParam2
A D3D12DDICB_ALLOCATE_0022 structure that contains information for an allocation.
Return value
If this callback function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
Access this callback function by using the D3D12DDI_CORELAYER_DEVICECALLBACKS_0022 structure.
The driver must check the return value of the function.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | d3d12umddi.h (include D3d12umddi.h) |