Parameter direction enumeration

Detailed Description

An indication of how a kernel will treat the given parameter.

Macros
#define	VX_BIDIRECTIONAL   (VX_ENUM(VX_ID_KHRONOS, VX_ENUM_DIRECTION, 0x2))
	The parameter is both an input and output.
#define	VX_INPUT   (VX_ENUM(VX_ID_KHRONOS, VX_ENUM_DIRECTION, 0x0))
	The parameter is an input only.
#define	VX_OUTPUT   (VX_ENUM(VX_ID_KHRONOS, VX_ENUM_DIRECTION,0x1))
	The parameter is an output only.