// iddcx.h

HRESULT IddCxSwapChainGetDirtyRects(
  [in]  IDDCX_SWAPCHAIN              SwapChainObject,
  [in]  const IDARG_IN_GETDIRTYRECTS *pInArgs,
  [out] IDARG_OUT_GETDIRTYRECTS      *pOutArgs
);
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (nf-iddcx-iddcxswapchaingetdirtyrects)

IddCxSwapChainGetDirtyRects function

Description

An OS callback function the driver calls when it wants retrieve the dirty rects for the current frame

Parameters

`SwapChainObject` [in]

The swap-chain object whose current frame is being queried.

`pInArgs` [in]

Input arguments of the function

`pOutArgs` [out]

Output arguments of the function

Return value

(NTSTATUS) The method returns STATUS_SUCCESS if the operation succeeds. Otherwise, this method may return an appropriate NTSTATUS error code.

View the official Windows Driver Kit DDI reference