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Added 24-bit color key support in DIB_DirectDrawSurface_BltFast.

This commit is contained in:
Elias Ross 2004-03-16 19:41:50 +00:00 committed by Alexandre Julliard
parent e51779df68
commit 56aca378c1
1 changed files with 22 additions and 2 deletions
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24
dlls/ddraw/dsurface/dib.c
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@ -903,8 +903,8 @@ DIB_DirectDrawSurface_BltFast(LPDIRECTDRAWSURFACE7 iface, DWORD dstx,
tmp = s[x]; \
if (tmp < keylow || tmp > keyhigh) d[x] = tmp; \
} \
(LPBYTE)s += sdesc.u1.lPitch; \
(LPBYTE)d += ddesc.u1.lPitch; \
s = (type *)((BYTE *)s + sdesc.u1.lPitch); \
d = (type *)((BYTE *)d + ddesc.u1.lPitch); \
} \
break; \
}
@ -913,6 +913,26 @@ DIB_DirectDrawSurface_BltFast(LPDIRECTDRAWSURFACE7 iface, DWORD dstx,
case 1: COPYBOX_COLORKEY(BYTE)
case 2: COPYBOX_COLORKEY(WORD)
case 4: COPYBOX_COLORKEY(DWORD)
case 3:
{
BYTE *d, *s;
DWORD tmp;
s = (BYTE *) sdesc.lpSurface;
d = (BYTE *) ddesc.lpSurface;
for (y = 0; y < h; y++) {
for (x = 0; x < w * 3; x += 3) {
tmp = (DWORD)s[x] + ((DWORD)s[x + 1] << 8) + ((DWORD)s[x + 2] << 16);
if (tmp < keylow || tmp > keyhigh) {
d[x + 0] = s[x + 0];
d[x + 1] = s[x + 1];
d[x + 2] = s[x + 2];
}
}
s += sdesc.u1.lPitch;
d += ddesc.u1.lPitch;
}
break;
}
default:
FIXME("Source color key blitting not supported for bpp %d\n",bpp*8);
ret = DDERR_UNSUPPORTED;