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bitblt srcpy optimze it can be more optimze

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svn path=/trunk/; revision=15750
This commit is contained in:
Magnus Olsen 2005-06-03 16:57:55 +00:00
parent 47418050f9
commit 5a2cbdf365
1 changed files with 27 additions and 4 deletions
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31
reactos/subsys/win32k/dib/dib32bpp.c
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@ -308,6 +308,7 @@ DIB_32BPP_BitBlt(PBLTINFO BltInfo)
switch (BltInfo->Rop4) switch (BltInfo->Rop4)
{ {
case ROP4_BLACKNESS: case ROP4_BLACKNESS:
//return(0x00000000); //return(0x00000000);
@ -376,17 +377,39 @@ DIB_32BPP_BitBlt(PBLTINFO BltInfo)
#endif #endif
return TRUE; return TRUE;
break; break;
case ROP4_SRCCOPY: case ROP4_SRCCOPY:
// return(Source); // return(Source);
switch (BltInfo->SourceSurface->iBitmapFormat) switch (BltInfo->SourceSurface->iBitmapFormat)
{ {
case BMF_1BPP: case BMF_1BPP:
break; case BMF_4BPP:
case BMF_4BPP:
break;
case BMF_16BPP: case BMF_16BPP:
break;
case BMF_24BPP: case BMF_24BPP:
{
PBYTE byteaddr = BltInfo->SourceSurface->pvScan0 + BltInfo->DestRect.top * BltInfo->SourceSurface->lDelta;
PDWORD addr = (PDWORD)byteaddr + BltInfo->DestRect.left;
LONG xlDelta = BltInfo->SourceSurface->lDelta - (BltInfo->DestRect.right - BltInfo->DestRect.left) ;
SourceY = BltInfo->SourcePoint.y;
for (DestY=BltInfo->DestRect.top; DestY<BltInfo->DestRect.bottom; DestY++)
{
if (SourceY > BltInfo->SourceSurface->sizlBitmap.cy) break;
SourceX = BltInfo->SourcePoint.x;
for (DestX=BltInfo->DestRect.left; DestX<BltInfo->DestRect.right; DestX++, SourceX++, addr++)
{
if (SourceX > BltInfo->SourceSurface->sizlBitmap.cx) break;
*addr = DIB_GetSource(BltInfo->SourceSurface, SourceX,
SourceY, BltInfo->XlateSourceToDest);
}
}
addr+=xlDelta;
}
break; break;
case BMF_32BPP: case BMF_32BPP:
{ {