diff options
Diffstat (limited to 'engines/scumm/gfx.cpp')
| -rw-r--r-- | engines/scumm/gfx.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/engines/scumm/gfx.cpp b/engines/scumm/gfx.cpp index 4e8c22479d..04cde129fa 100644 --- a/engines/scumm/gfx.cpp +++ b/engines/scumm/gfx.cpp @@ -614,13 +614,13 @@ void ScummEngine::drawStripToScreen(VirtScreen *vs, int x, int width, int top, i const uint32 *src32 = (const uint32 *)src; const uint32 *text32 = (const uint32 *)text; uint32 *dst32 = (uint32 *)_compositeBuf; - + vsPitch >>= 2; const int textPitch = (_textSurface.pitch - width * m) >> 2; for (int h = height * m; h > 0; --h) { for (int w = width*m; w > 0; w-=4) { uint32 temp = *text32++; - + // Generate a byte mask for those text pixels (bytes) with // value CHARSET_MASK_TRANSPARENCY. In the end, each byte // in mask will be either equal to 0x00 or 0xFF. @@ -629,7 +629,7 @@ void ScummEngine::drawStripToScreen(VirtScreen *vs, int x, int width, int top, i uint32 mask = temp ^ CHARSET_MASK_TRANSPARENCY_32; mask = (((mask & 0x7f7f7f7f) + 0x7f7f7f7f) | mask) & 0x80808080; mask = ((mask >> 7) + 0x7f7f7f7f) ^ 0x80808080; - + // The following line is equivalent to this code: // *dst32++ = (*src32++ & mask) | (temp & ~mask); // However, some compilers can generate somewhat better |