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Revert "Optimize png_reverse_filter_copy_line_rgb"

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This reverts commit aa428cc415.
This commit is contained in:
twinaphex 2020-08-19 18:17:16 +02:00
parent ae0d63ccc0
commit c4be485baf
1 changed files with 11 additions and 7 deletions
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18
libretro-common/formats/png/rpng.c
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@ -231,17 +231,21 @@ end:
static void png_reverse_filter_copy_line_rgb(uint32_t *data,
const uint8_t *decoded, unsigned width, unsigned bpp)
{
uint32_t *data_ptr = NULL;
unsigned i;
bpp /= 8;
for (data_ptr = &data[0]; data_ptr < data + width; data_ptr++)
for (i = 0; i < width; i++)
{
uint32_t r = *(decoded);
uint32_t g = *(decoded + bpp);
uint32_t b = *(decoded + bpp + bpp);
decoded += (3 * bpp);
*data_ptr = (0xffu << 24) | (r << 16) | (g << 8) | (b << 0);
uint32_t r, g, b;
r = *decoded;
decoded += bpp;
g = *decoded;
decoded += bpp;
b = *decoded;
decoded += bpp;
data[i] = (0xffu << 24) | (r << 16) | (g << 8) | (b << 0);
}
}