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[client] egl: simplify filter moving logic with memmove

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This avoids duplicating the entire array of filters.
This commit is contained in:
Quantum 2021-08-24 15:26:32 -04:00 committed by Geoffrey McRae
parent e040b88bf0
commit ceff9dca9b
1 changed files with 6 additions and 17 deletions
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23
client/renderers/EGL/postprocess.c
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@ -120,23 +120,12 @@ static void configUI(void * opaque, int * id)
if (doMove)
{
EGL_Filter * tmp[count];
memcpy(tmp, filters, sizeof(*tmp) * count);
size_t s = 0, d = 0;
for(size_t i = 0; i < count; ++i)
{
if (i == mouseIdx)
{
filters[d++] = tmp[moveIdx];
continue;
}
if (s == moveIdx)
++s;
filters[d++] = tmp[s++];
}
EGL_Filter * tmp = filters[moveIdx];
if (mouseIdx > moveIdx) // moving down
memmove(filters + moveIdx, filters + moveIdx + 1, (mouseIdx - moveIdx) * sizeof(EGL_Filter *));
else // moving up
memmove(filters + mouseIdx + 1, filters + mouseIdx, (moveIdx - mouseIdx) * sizeof(EGL_Filter *));
filters[mouseIdx] = tmp;
}
if (redraw)