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huhaha7171

how to copy an offscreen(created in vedio mem)

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as we know that API(UpdateSurface) can do it, but the surface must be created in system memery. so how to do it if the surface was created in vedio mem? Thanks!

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Try IDirect3DDevice9::GetRenderTargetData to copy data from device memory to system memory, or D3DXLoadSurfaceFromSurface if you need some color convertion.
In case of locable surfaces you can call IDirect3DSurface9::LockRect to obtain direct access to surface data and copy them as you wish.

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Quote:
Original post by hound
Try IDirect3DDevice9::GetRenderTargetData to copy data from device memory to system memory, or D3DXLoadSurfaceFromSurface if you need some color convertion.
In case of locable surfaces you can call IDirect3DSurface9::LockRect to obtain direct access to surface data and copy them as you wish.


----can you give me some codes using api?

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