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Video card can stretch but blt returns DDERR_NOSTRETCHHW

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Hello, For LPDIRECTDRAWSURFACE7, when I use Blt with DDBLTFX_ARITHSTRETCHY flag in DDBLTFX structure Blt returns DDERR_NOSTRETCHHW.
DDBLTFX  effex;
ZeroMemory( &effex, sizeof( DDBLTFX));
effex.dwSize = sizeof(DDBLTFX);
effex.dwDDFX = DDBLTFX_ARITHSTRETCHY;

hr = pddsFrontBuffer->Blt(&rcWindow, pddsStoreBuffer, &rcSource, DDBLT_WAIT | DDBLT_DDFX, &effex);



But when I use GetCaps from LPDIRECTDRAW7 I see what DDFXCAPS_BLTARITHSTRETCHY flag is turned on. That I have missed? Thanks, Sergey

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This topic is 2856 days old which is more than the 365 day threshold we allow for new replies. Please post a new topic.

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