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Use local var for channels to speed up encoding

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Dominic Szablewski 2021-11-28 17:36:47 +01:00
parent 80356a5aaa
commit 9dd60534e4
1 changed files with 4 additions and 2 deletions
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6
qoi.h
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@ -385,8 +385,10 @@ void *qoi_encode(const void *data, const qoi_desc *desc, int *out_len) {
int px_len = desc->width * desc->height * desc->channels; int px_len = desc->width * desc->height * desc->channels;
int px_end = px_len - desc->channels; int px_end = px_len - desc->channels;
for (int px_pos = 0; px_pos < px_len; px_pos += desc->channels) { int channels = desc->channels;
if (desc->channels == 4) {
for (int px_pos = 0; px_pos < px_len; px_pos += channels) {
if (channels == 4) {
px = *(qoi_rgba_t *)(pixels + px_pos); px = *(qoi_rgba_t *)(pixels + px_pos);
} }
else { else {