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Add line width calculations for 15/16 and 24/32 bit modes in case

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the "Get Scan Line Length" function fails, as it does in Parallels
(in Version 2.2, Build 2112 at least).

PR:		i386/127367
Obtained from:	DragonFly
Submitted by:	Pedro Giffuni
MFC after:	1 month
This commit is contained in:
Xin LI 2009-06-09 00:54:57 +00:00
parent c994fb7c5b
commit 38676b52dd
1 changed files with 8 additions and 0 deletions
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8
sys/i386/isa/vesa.c
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@ -1111,6 +1111,14 @@ vesa_set_mode(video_adapter_t *adp, int mode)
default: /* shouldn't happen */
vesa_adp->va_line_width = info.vi_width;
break;
case 15:
case 16:
vesa_adp->va_line_width = info.vi_width*2;
break;
case 24:
case 32:
vesa_adp->va_line_width = info.vi_width*4;
break;
}
} else {
vesa_adp->va_line_width = info.vi_width;