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Handler Buffer state

Defines
#define	XLV_HBUFFER_DONE   0x0001UL
#define	XLV_HBUFFER_PASSED   0x0002UL
#define	XLV_HBUFFER_SYNC   0x0004UL
#define	XLV_HBUFFER_WAITFOR   0x0008UL
#define	XLV_HBUFFER_ACCEL   0x0010UL

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Define Documentation

#define XLV_HBUFFER_ACCEL   0x0010UL

This is an "accelerated" buffer. It means usually that the buffer points directly into the right memory (video memory, DMA memory).

#define XLV_HBUFFER_DONE   0x0001UL

The buffer is marked as done. This happens at the initialization or when the buffer is completed.

#define XLV_HBUFFER_PASSED   0x0002UL

The buffer is (normally) done and has been passed because its timestamp was too small.

#define XLV_HBUFFER_SYNC   0x0004UL

The buffer must be synchronous. The enqueuer will wait for the queue to be sufficiently short so the buffer can be enqueued without difficulties.

#define XLV_HBUFFER_WAITFOR   0x0008UL

The enqueuer will wait for the buffer to be processed.

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