On 12/1/17, Martin Vignali <martin.vign...@gmail.com> wrote:
> Hello,
>
> +
>> +INIT_XMM sse4
>>
> Maybe use a macro (AVX2 can probably, be easy to add)
Not now.
>
>
>> +cglobal threshold8, 10, 13, 5, in, threshold, min, max, out, ilinesize,
>> tlinesize, flinesize, slinesize, olinesize, w, h, x
>> + mov wd, dword wm
>> + mov hd, dword hm
>>
> Maybe you can use ptrdiff_t for w and h, so you can directly use it, using
> wq, hq
Feel free to change that later.
>
>
>> + mova m4, [pb_128]
>> + add inq, wq
>> + add thresholdq, wq
>> + add minq, wq
>> + add maxq, wq
>> + add outq, wq
>> + neg wq
>> +.nextrow:
>> + mov xq, wq
>> +
>> + .loop:
>> + movu m1, [inq + xq]
>> + movu m0, [thresholdq + xq]
>> + movu m2, [minq + xq]
>> + movu m3, [maxq + xq]
>> + pxor m0, m4
>> + pxor m1, m4
>>
> Do you need pxor m0, m4 and pxor m1, m4 ?
Yes,
I need it.
>
>
>> + pcmpgtb m0, m1
>> + pblendvb m3, m2, m0
>> + movu [outq + xq], m3
>> + add xq, mmsize
>> + jl .loop
>> +
>> + add inq, ilinesizeq
>> + add thresholdq, tlinesizeq
>> + add minq, flinesizeq
>> + add maxq, slinesizeq
>> + add outq, olinesizeq
>> + sub hd, 1
>> + jg .nextrow
>> +RET
>>
>
>
> Martin
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