\
assert(x<8 && y<8 && x>=0 && y>=0);\
\
+ if(D){\
for(i=0; i<h; i++)\
{\
OP(dst[0], (A*src[0] + B*src[1] + C*src[stride+0] + D*src[stride+1]));\
dst+= stride;\
src+= stride;\
}\
+ }else{\
+ const int E= B+C;\
+ const int step= C ? stride : 1;\
+ for(i=0; i<h; i++)\
+ {\
+ OP(dst[0], (A*src[0] + E*src[step+0]));\
+ OP(dst[1], (A*src[1] + E*src[step+1]));\
+ OP(dst[2], (A*src[2] + E*src[step+2]));\
+ OP(dst[3], (A*src[3] + E*src[step+3]));\
+ OP(dst[4], (A*src[4] + E*src[step+4]));\
+ OP(dst[5], (A*src[5] + E*src[step+5]));\
+ OP(dst[6], (A*src[6] + E*src[step+6]));\
+ OP(dst[7], (A*src[7] + E*src[step+7]));\
+ dst+= stride;\
+ src+= stride;\
+ }\
+ }\
}
#define op_avg(a, b) a = (((a)+(((b) + 32)>>6)+1)>>1)