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Speed up Fill and Small fill. for 16bpp

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svn path=/trunk/; revision=15858
This commit is contained in:
Magnus Olsen 2005-06-11 12:13:28 +00:00
parent c507c88f25
commit 7c9de0d8d6
1 changed files with 56 additions and 1 deletions
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57
reactos/subsys/win32k/dib/dib16bpp.c
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@ -47,7 +47,7 @@ DIB_16BPP_HLine(SURFOBJ *SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
/* This is about 10% faster than the generic C code below */
LONG Count = x2 - x1;
__asm__(
__asm__ __volatile__ (
" cld\n"
" mov %0, %%eax\n"
" shl $16, %%eax\n"
@ -344,6 +344,24 @@ DIB_16BPP_BitBlt(PBLTINFO BltInfo)
PULONG DestBits;
ULONG RoundedRight;
/*
switch (BltInfo->Rop4)
{
case ROP4_PATCOPY:
if (!BltInfo->PatternSurface)
{
Pattern = BltInfo->Brush->iSolidColor | (BltInfo->Brush->iSolidColor << 16);
DIB_16BPP_ColorFill(BltInfo->DestSurface, BltInfo->DestRect, Pattern);
return TRUE;
}
break;
default:
break;
}
*/
UsesSource = ROP4_USES_SOURCE(BltInfo->Rop4);
UsesPattern = ROP4_USES_PATTERN(BltInfo->Rop4);
@ -430,10 +448,47 @@ BOOLEAN
DIB_16BPP_ColorFill(SURFOBJ* DestSurface, RECTL* DestRect, ULONG color)
{
ULONG DestY;
#ifdef _M_IX86
/* This is about 10% faster than the generic C code below */
ULONG delta = DestSurface->lDelta;
ULONG width = (DestRect->right - DestRect->left) ;
PULONG pos = (PULONG) (DestSurface->pvScan0 + DestRect->top * delta + (DestRect->left<<1));
for (DestY = DestRect->top; DestY< DestRect->bottom; DestY++)
{
__asm__ __volatile__ (
" cld\n"
" mov %0, %%eax\n"
" mov %%eax, %%ecx\n"
" shl $16, %%eax\n"
" andl $0xffff, %%ecx\n" /* If the pixel value is "abcd", put "abcdabcd" in %eax */
" or %%ecx, %%eax\n"
" test $0x03, %%edi\n" /* Align to fullword boundary */
" jz .FL1\n"
" stosw\n"
" dec %1\n"
" jz .FL2\n"
".FL1:\n"
" mov %1,%%ecx\n" /* Setup count of fullwords to fill */
" shr $1,%%ecx\n"
" rep stosl\n" /* The actual fill */
" test $0x01, %1\n" /* One left to do at the right side? */
" jz .FL2\n"
" stosw\n"
".FL2:\n"
: /* no output */
: "r"(color), "r"(width), "D"(pos)
: "%eax", "%ecx");
pos =(PULONG)((ULONG_PTR)pos + delta);
}
#else /* _M_IX86 */
for (DestY = DestRect->top; DestY< DestRect->bottom; DestY++)
{
DIB_16BPP_HLine (DestSurface, DestRect->left, DestRect->right, DestY, color);
}
#endif
return TRUE;
}
/*