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- Description
The TDx_Draw::GetAvailableVidMem method will return the total display memory available and also the amount of display memory that is free for a specified type of surface.
This is only a snapshot of the current display memory state and will change as surfaces are created and released. Some display cards utilize the same memory for different surface types, thus allocating one type of surface may affect the amount of memory available for another surface type.
Surfaces with the DDSCAPS_VIDEOMEMORY flag set will return the sum of local and non-local video memory on AGP systems if the surface can be used for 3D textures.
If the method call fails, the OnError event will be triggered with one of the following values:
DDERR_INVALIDCAPS
DDERR_INVALIDOBJECT
DDERR_INVALIDPARAMS
DDERR_NODIRECTDRAWHW
- Parameters
SCaps
The SCaps parameter references a TDDSCaps component defining the type of surface for which display memory information is being requested.
Total
The Total parameter will reference the total amount of available display memory if this method returns successfully.
Free
The Free parameter will reference the amount of display memory available for allocation to a surface of the specified type.
- See Also
- Top
TDx_Draw_Library v2.00 Component Reference
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[ TDx_Draw::GetAvailableVidMem() ] [ next: GetCaps() ] [ prev: FlipToGDISurface() ] public:
virtual bool __fastcall GetAvailableVidMem( TDDSCaps* pSCaps, dword* pTotal, dword* pFree );
TDX_DRAW::GETAVAILABLEVIDMEM()
[ component method ]
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