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- Fixed bug in small width brush blts aligned to an eight boundary.

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- Accelerate dstinvert blts (treat as patinvert with a colour of 0xF).

svn path=/trunk/; revision=5618
This commit is contained in:
David Welch 2003-08-17 15:11:54 +00:00
parent 6fba0a4d96
commit 8b7c8b8dff
1 changed files with 17 additions and 26 deletions
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43
reactos/drivers/dd/vga/display/objects/bitblt.c
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@ -187,14 +187,14 @@ VGADDI_BltBrush(PSURFOBJ Dest, PSURFOBJ Source, PSURFOBJ MaskSurf,
PPOINTL SourcePoint, PPOINTL MaskPoint,
PBRUSHOBJ Brush, PPOINTL BrushPoint, ROP4 Rop4)
{
UCHAR SolidColor;
UCHAR SolidColor = 0;
ULONG Left;
ULONG Right;
ULONG Length;
PUCHAR Video;
UCHAR Mask;
ULONG i, j;
ULONG RasterOp = 0;
ULONG RasterOp = VGA_NORMAL;
/* Punt brush blts to non-device surfaces. */
if (Dest->iType != STYPE_DEVICE)
@ -203,30 +203,20 @@ VGADDI_BltBrush(PSURFOBJ Dest, PSURFOBJ Source, PSURFOBJ MaskSurf,
}
/* Punt pattern fills. */
if ((Rop4 == PATCOPY || Rop4 == DSTINVERT) &&
if ((Rop4 == PATCOPY || Rop4 == PATINVERT) &&
Brush->iSolidColor == 0xFFFFFFFF)
{
return(FALSE);
}
/* Get the brush colour. */
if (Rop4 == PATCOPY || Rop4 == PATINVERT)
switch (Rop4)
{
SolidColor = Brush->iSolidColor;
}
else if (Rop4 == WHITENESS)
{
SolidColor = 0xF;
}
else
{
SolidColor = 0x0;
}
/* Get the raster op. */
if (Rop4 == PATINVERT)
{
RasterOp = 3;
case PATCOPY: SolidColor = Brush->iSolidColor; break;
case PATINVERT: SolidColor = Brush->iSolidColor; RasterOp = VGA_XOR; break;
case WHITENESS: SolidColor = 0xF; break;
case BLACKNESS: SolidColor = 0x0; break;
case DSTINVERT: SolidColor = 0xF; RasterOp = VGA_XOR; break;
}
/* Select write mode 3. */
@ -243,7 +233,7 @@ VGADDI_BltBrush(PSURFOBJ Dest, PSURFOBJ Source, PSURFOBJ MaskSurf,
/* Set up data rotate. */
WRITE_PORT_UCHAR((PUCHAR)GRA_I, 0x03);
WRITE_PORT_UCHAR((PUCHAR)GRA_D, RasterOp << 3);
WRITE_PORT_UCHAR((PUCHAR)GRA_D, RasterOp);
/* Fill any pixels on the left which don't fall into a full row of eight. */
if ((DestRect->left % 8) != 0)
@ -262,13 +252,13 @@ VGADDI_BltBrush(PSURFOBJ Dest, PSURFOBJ Source, PSURFOBJ MaskSurf,
(VOID)READ_REGISTER_UCHAR(Video);
WRITE_REGISTER_UCHAR(Video, Mask);
}
}
/* Have we finished. */
if ((DestRect->right - DestRect->left) < (8 - (DestRect->left % 8)))
{
return(TRUE);
}
/* Have we finished. */
if ((DestRect->right - DestRect->left) < (8 - (DestRect->left % 8)))
{
return(TRUE);
}
}
/* Fill any whole rows of eight pixels. */
Left = (DestRect->left + 7) & ~0x7;
@ -412,6 +402,7 @@ DrvBitBlt(SURFOBJ *Dest,
case PATCOPY:
case WHITENESS:
case PATINVERT:
case DSTINVERT:
BltRectFunc = VGADDI_BltBrush;
break;