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Fix align 4 problem with color fill and hline.

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Now OARCH=pentium2 working with 32bpp


svn path=/trunk/; revision=15856
This commit is contained in:
Magnus Olsen 2005-06-11 09:53:14 +00:00
parent df3ceea77c
commit 1503cdc0b4
1 changed files with 44 additions and 6 deletions
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44
reactos/subsys/win32k/dib/dib32bpp.c
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@ -48,8 +48,27 @@ DIB_32BPP_HLine(SURFOBJ *SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
LONG cx = (x2 - x1) ;
PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta;
PDWORD addr = (PDWORD)byteaddr + x1;
memset4(addr, c, cx);
__asm__(
" cld\n"
" mov %0, %%eax\n"
" test $0x03, %%edi\n" /* Align to fullword boundary */
" jnz .L1\n"
" mov %1,%%ecx\n" /* Setup count of fullwords to fill */
" rep stosl\n" /* The actual fill */
" jz .L2\n"
".L1:\n"
" mov %%eax, %%ecx\n"
" stosw\n"
" sub $0x04,%1\n"
" mov %1,%%ecx\n" /* Setup count of fullwords to fill */
" rep stosl\n" /* The actual fill */
" shr $0x08,%%eax\n"
" stosw\n"
".L2:\n"
: /* no output */
: "r"(c), "r"(cx), "D"(addr)
: "%eax", "%ecx");
}
@ -694,8 +713,27 @@ DIB_32BPP_ColorFill(SURFOBJ* DestSurface, RECTL* DestRect, ULONG color)
for (DestY = DestRect->top; DestY< DestRect->bottom; DestY++)
{
memset4( ((PDWORD)(pos)), color, width);
pos =(PULONG)((ULONG_PTR)pos + delta);
__asm__(
" cld\n"
" mov %0, %%eax\n"
" test $0x03, %%edi\n" /* Align to fullword boundary */
" jnz .FL1\n"
" mov %1,%%ecx\n" /* Setup count of fullwords to fill */
" rep stosl\n" /* The actual fill */
" jz .FL2\n"
".FL1:\n"
" mov %%eax, %%ecx\n"
" stosw\n"
" sub $0x04,%1\n"
" mov %1,%%ecx\n" /* Setup count of fullwords to fill */
" rep stosl\n" /* The actual fill */
" shr $0x08,%%eax\n"
" stosw\n"
".FL2:\n"
: /* no output */
: "r"(color), "r"(width), "D"(pos)
: "%eax", "%ecx");
pos =(PULONG)((ULONG_PTR)pos + delta);
}
#else