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- Handle correctly bottom-up surfaces in the VGA driver.

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svn path=/trunk/; revision=9976
This commit is contained in:
Filip Navara 2004-07-03 13:45:42 +00:00
parent 40afa3d500
commit ac183abd23
4 changed files with 13 additions and 10 deletions
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6
reactos/drivers/video/displays/vga/objects/bitblt.c
View file

@ -77,7 +77,7 @@ VGAtoDIB(SURFOBJ *Dest, SURFOBJ *Source, XLATEOBJ *ColorTranslation,
// FIXME: Optimize to retrieve entire bytes at a time (see /display/vgavideo/vgavideo.c:vgaGetByte)
GDIpos = Dest->pvBits /* + (DestRect->top * Dest->lDelta) + (DestRect->left >> 1) */ ;
GDIpos = Dest->pvScan0 /* + (DestRect->top * Dest->lDelta) + (DestRect->left >> 1) */ ;
dx = DestRect->right - DestRect->left;
dy = DestRect->bottom - DestRect->top;
@ -87,7 +87,7 @@ VGAtoDIB(SURFOBJ *Dest, SURFOBJ *Source, XLATEOBJ *ColorTranslation,
DestDevSurf.NextScan = Dest->lDelta;
DestDevSurf.StartBmp = Dest->pvScan0;
DIB_BltFromVGA(SourcePoint->x, SourcePoint->y, dx, dy, Dest->pvBits, Dest->lDelta);
DIB_BltFromVGA(SourcePoint->x, SourcePoint->y, dx, dy, Dest->pvScan0, Dest->lDelta);
} else {
// Color translation
@ -353,7 +353,7 @@ VGADDI_BltMask(SURFOBJ* Dest, SURFOBJ* Source, SURFOBJ* Mask,
{
if (Mask != NULL)
{
tMask = Mask->pvBits;
tMask = Mask->pvScan0;
for (j=0; j<dy; j++)
{
lMask = tMask;

10
reactos/drivers/video/displays/vga/objects/pointer.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: pointer.c,v 1.2 2004/01/16 13:18:23 gvg Exp $
/* $Id: pointer.c,v 1.3 2004/07/03 13:45:42 navaraf Exp $
*
* PROJECT: ReactOS VGA16 display driver
* FILE: drivers/dd/vga/display/objects/pointer.c
@ -245,8 +245,8 @@ DrvSetPointerShape(SURFOBJ* pso,
}
ppdev->flCursor = ppdev->flCursor & (~ CURSOR_DOWN);
NewWidth = psoMask->lDelta << 3;
NewHeight = (psoMask->cjBits / psoMask->lDelta) / 2;
NewWidth = abs(psoMask->lDelta) << 3;
NewHeight = (psoMask->cjBits / abs(psoMask->lDelta)) / 2;
/* Reallocate the space for the cursor if necessary. */
if (ppdev->pPointerAttributes->Width != NewWidth ||
@ -275,11 +275,10 @@ DrvSetPointerShape(SURFOBJ* pso,
ImageBehindCursor = VGADDI_AllocSavedScreenBits(SavedMemSize);
}
Src = (PUCHAR)psoMask->pvScan0;
/* Copy the new cursor in. */
for (i = 0; i < (NewHeight * 2); i++)
{
Src = (PUCHAR)psoMask->pvBits;
Src += (i * (NewWidth >> 3));
Dest = (PUCHAR)ppdev->pPointerAttributes->Pixels;
if (i >= NewHeight)
{
@ -290,6 +289,7 @@ DrvSetPointerShape(SURFOBJ* pso,
Dest += ((NewHeight - i - 1) * (NewWidth >> 3));
}
memcpy(Dest, Src, NewWidth >> 3);
Src += psoMask->lDelta;
}
/* Set the new cursor position */

2
reactos/drivers/video/displays/vga/objects/transblt.c
View file

@ -28,7 +28,7 @@ DrvTransparentBlt(SURFOBJ* Dest,
if(sy<dy) dy = sy;
// FIXME: adjust using SourceRect
DIB_TransparentBltToVGA(DestRect->left, DestRect->top, dx, dy, Source->pvBits, Source->lDelta, TransparentColor);
DIB_TransparentBltToVGA(DestRect->left, DestRect->top, dx, dy, Source->pvScan0, Source->lDelta, TransparentColor);
return TRUE;
}

5
reactos/drivers/video/displays/vga/vgavideo/vgavideo.c
View file

@ -407,7 +407,10 @@ void DIB_BltFromVGA(int x, int y, int w, int h, void *b, int Dest_lDelta)
}
/* Reset the destination. */
memset(b, 0, h * Dest_lDelta);
for (j = 0; j < h; j++)
{
memset(b + (j * Dest_lDelta), 0, abs(Dest_lDelta));
}
for (plane = 0; plane < 4; plane++)
{