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path: root/src/stretch_up_down_16.h
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#define STRETCH_HVX_N_H  "stretch_hvx_16.h"
#define uN u16

/**********************************************************************************************************************/
/* Upscaling */

#define POINT_0               0
#define LINE_0                0
#define MINUS_1               1
#define POINT_TO_RATIO(p,ps)  ( ((p) & 0x3ffff) >> (18-SHIFT_L6) )
#define LINE_TO_RATIO(l,ls)   ( ((l) & 0x3ffff) >> (18-SHIFT_L5) )

#define POINT_L(p,ps)  ( (((p)) >> 18) )
#define POINT_R(p,ps)  ( (((p)) >> 18) + 1 )

#define LINE_T(l,ls)  ( (((l)) >> 18) )
#define LINE_B(l,ls)  ( (((l)) >> 18) + 1 )

#define UPDOWN 1
#include "stretch_hvx_N.h"
#undef UPDOWN

#undef POINT_0
#undef LINE_0
#undef MINUS_1
#undef POINT_TO_RATIO
#undef LINE_TO_RATIO
#undef POINT_L
#undef POINT_R
#undef LINE_T
#undef LINE_B

/**********************************************************************************************************************/
/* Downscaling */

#define POINT_0               hfraq
#define LINE_0                vfraq
#define MINUS_1               0
#define POINT_TO_RATIO(p,ps)  ( (((((p)) & 0x3ffff) ? : 0x40000) << SHIFT_L6) / (ps) )
#define LINE_TO_RATIO(l,ls)   ( (((((l)) & 0x3ffff) ? : 0x40000) << SHIFT_L5) / (ls) )

#define POINT_L(p,ps)  ( (((p)-1) >> 18) - 1 )
#define POINT_R(p,ps)  ( (((p)-1) >> 18) )

#define LINE_T(l,ls)  ( (((l)-1) >> 18) - 1 )
#define LINE_B(l,ls)  ( (((l)-1) >> 18) )

#define UPDOWN 0
#include "stretch_hvx_N.h"
#undef UPDOWN

#undef POINT_0
#undef LINE_0
#undef MINUS_1
#undef POINT_TO_RATIO
#undef LINE_TO_RATIO
#undef POINT_L
#undef POINT_R
#undef LINE_T
#undef LINE_B

/**********************************************************************************************************************/

#undef STRETCH_HVX_N_H
#undef uN

//#include "stretch_up_down_table.h"