Offscreen rendering with antialiasing

oleg_babyak_at_yahoo.com
Date: 08/31/04 

Date: 31 Aug 2004 04:41:11 -0700

Problem: I need offscreen rendering with antialiasing.

My steps:

I create a window that is not shown.

...
Rendering
...

After rendering I'm using following

pDevice->CreateOffscreenPlainSurface( width, height,
D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM, &pOffScreenSurface, NULL );
pDevice->GetRenderTarget( 0, &pRenderTargetSurface );
pDevice->GetRenderTargetData( pRenderTargetSurface,
pOffScreenSurface );

to copy data from render target into off screen surface( without
antialiasing ).

To turn antialiasing on I'm using multisampling
But in this case GetRenderTargetData failed (render target surface is
unlockable too)
In DirectX SDK Doc is mentioned that GetFrontBufferData method is the
only
way to capture an antialiased screen shot.

How can I solve my problem ?
( without using GetFrontBufferData, because I don't need a window on
the
screen )

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