sinamas/gambatte
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

common: fix rgb32ToUyvy brain fart

Browse Source
This commit is contained in:
sinamas 2013-04-28 13:36:43 +02:00
parent fa2fbda313
commit 9bd975961a
1 changed files with 23 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
common/videolink/rgb32conv.cpp
View File

@ -80,33 +80,34 @@ void Rgb32ToUyvy::operator()(gambatte::uint_least32_t *dst,
unsigned long const r = (s[0] >> 16 & 0x000000FF) | (s[1] & 0x00FF0000);
unsigned long const g = (s[0] >> 8 & 0x000000FF) | (s[1] << 8 & 0x00FF0000);
unsigned long const b = (s[0] & 0x000000FF) | (s[1] << 16 & 0x00FF0000);
unsigned long const y = r * 66 + g * 129 + b * 25 + ( 16 * 256 + 128) * 0x00010001ul;
unsigned long const u = b * 112 - r * 38 - g * 74 + (128 * 256 + 128) * 0x00010001ul;
unsigned long const v = r * 112 - g * 94 - b * 18 + (128 * 256 + 128) * 0x00010001ul;
unsigned long const y = r * 66 + g * 129 + b * 25 + ( 16 * 256u + 128) * 0x00010001ul;
unsigned long const u = b * 112 - r * 38 - g * 74 + (128 * 256u + 128) * 0x00010001ul;
unsigned long const v = r * 112 - g * 94 - b * 18 + (128 * 256u + 128) * 0x00010001ul;
if (isBigEndian()) {
cache_[s[0] & cache_mask].uyvy = (u << 16 & 0xFF000000)
| (y << 8 & 0x00FF0000)
| (v & 0x0000FF00)
| (y >> 8 & 0x000000FF);
cache_[s[1] & cache_mask].uyvy = (u & 0xFF000000)
| (y >> 8 & 0x00FF0000)
| (v >> 16 & 0x0000FF00)
| y >> 24 ;
d[0] = cache_[s[0] & cache_mask].uyvy = (u << 16 & 0xFF000000)
| (y << 8 & 0x00FF0000)
| (v & 0x0000FF00)
| (y >> 8 & 0x000000FF);
d[1] = cache_[s[1] & cache_mask].uyvy = (u & 0xFF000000)
| (y >> 8 & 0x00FF0000)
| (v >> 16 & 0x0000FF00)
| y >> 24 ;
} else {
cache_[s[0] & cache_mask].uyvy = (y << 16 & 0xFF000000)
| (v << 8 & 0x00FF0000)
| (y & 0x0000FF00)
| (u >> 8 & 0x000000FF);
cache_[s[1] & cache_mask].uyvy = (y & 0xFF000000)
| (v >> 8 & 0x00FF0000)
| (y >> 16 & 0x0000FF00)
| u >> 24 ;
d[0] = cache_[s[0] & cache_mask].uyvy = (y << 16 & 0xFF000000)
| (v << 8 & 0x00FF0000)
| (y & 0x0000FF00)
| (u >> 8 & 0x000000FF);
d[1] = cache_[s[1] & cache_mask].uyvy = (y & 0xFF000000)
| (v >> 8 & 0x00FF0000)
| (y >> 16 & 0x0000FF00)
| u >> 24 ;
}
} else {
gambatte::uint_least32_t const s0 = s[0], s1 = s[1];
d[0] = cache_[s0 & cache_mask].uyvy;
d[1] = cache_[s1 & cache_mask].uyvy;
}
gambatte::uint_least32_t const s0 = s[0], s1 = s[1];
d[0] = cache_[s0 & cache_mask].uyvy;
d[1] = cache_[s1 & cache_mask].uyvy;
s += 2;
d += 2;
}