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reconfinement fonderie first release

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Tonton Th
2020-11-07 01:29:45 +01:00
parent e0d154c37e
commit 9febaea3ae
3 changed files with 25 additions and 4 deletions
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21
Fonderie/fonctions.c
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@@ -23,7 +23,22 @@ extern int verbosity;
static A_Fifo g_fifo;
/* -------------------------------------------------------------- */
static int big_adder(FloatImg *from, FloatImg *to)
{
int size, idx;
size = from->width * from->height;
for (idx=0; idx<size; idx++) to->R[idx] += from->R[idx];
for (idx=0; idx<size; idx++) to->G[idx] += from->G[idx];
for (idx=0; idx<size; idx++) to->B[idx] += from->B[idx];
return 0;
}
/* -------------------------------------------------------------- */
/*
* 97% of the total run time was in that function \o_
*/
int faire_la_somme(A_Fifo *pfifo, FloatImg *destination, int step)
{
int idx, foo;
@@ -36,7 +51,11 @@ else {
fimg_clear(pdest);
for (idx=0; idx<pfifo->nbslots; idx += step) {
foo = fimg_add_2(&(pfifo->slots[idx]), pdest);
/***************************************
* Here was the giant bootleneck *
***************************************/
// HERE -> foo = fimg_add_2(&(pfifo->slots[idx]), pdest);
foo = big_adder(&(pfifo->slots[idx]), pdest);
if (foo)
{
fprintf(stderr, "%s: err %d on add_2\n", __func__, foo);