Improve the situation with ROP handling, trying to make things clearer.

svn path=/trunk/; revision=66617
This commit is contained in:
Timo Kreuzer 2015-03-08 23:36:49 +00:00
parent ebd0c06809
commit 16c191f8a8
3 changed files with 47 additions and 50 deletions

View file

@ -151,13 +151,13 @@ NtGdiBitBlt(
HDC hDCSrc,
INT XSrc,
INT YSrc,
DWORD ROP,
DWORD dwRop,
IN DWORD crBackColor,
IN FLONG fl)
{
DWORD dwTRop;
if (ROP & CAPTUREBLT)
if (dwRop & CAPTUREBLT)
{
return NtGdiStretchBlt(hDCDest,
XDest,
YDest,
@ -168,10 +168,11 @@ NtGdiBitBlt(
YSrc,
Width,
Height,
ROP,
dwRop,
crBackColor);
}
dwTRop = ROP & ~(NOMIRRORBITMAP|CAPTUREBLT);
dwRop = dwRop & ~(NOMIRRORBITMAP|CAPTUREBLT);
/* Forward to NtGdiMaskBlt */
// TODO: What's fl for? LOL not to send this to MaskBit!
@ -186,7 +187,7 @@ NtGdiBitBlt(
NULL,
0,
0,
dwTRop,
MAKEROP4(dwRop, dwRop),
crBackColor);
}
@ -310,7 +311,7 @@ NtGdiMaskBlt(
HBITMAP hbmMask,
INT xMask,
INT yMask,
DWORD dwRop,
DWORD dwRop4,
IN DWORD crBackColor)
{
PDC DCDest;
@ -325,11 +326,11 @@ NtGdiMaskBlt(
EXLATEOBJ exlo;
XLATEOBJ *XlateObj = NULL;
BOOL UsesSource;
ROP4 rop4;
FIXUP_ROP(dwRop); // FIXME: why do we need this???
rop4 = WIN32_ROP4_TO_ENG_ROP4(dwRop4);
//DPRINT1("dwRop : 0x%08x\n", dwRop);
UsesSource = ROP_USES_SOURCE(dwRop);
UsesSource = ROP4_USES_SOURCE(rop4);
if (!hdcDest || (UsesSource && !hdcSrc))
{
EngSetLastError(ERROR_INVALID_PARAMETER);
@ -337,7 +338,7 @@ NtGdiMaskBlt(
}
/* Check if we need a mask and have a mask bitmap */
if (ROP_USES_MASK(dwRop) && (hbmMask != NULL))
if (ROP4_USES_MASK(rop4) && (hbmMask != NULL))
{
/* Reference the mask bitmap */
psurfMask = SURFACE_ShareLockSurface(hbmMask);
@ -481,7 +482,7 @@ NtGdiMaskBlt(
&MaskPoint,
&DCDest->eboFill.BrushObject,
&DCDest->dclevel.pbrFill->ptOrigin,
ROP_TO_ROP4(dwRop));
rop4);
if (UsesSource)
EXLATEOBJ_vCleanup(&exlo);
@ -516,7 +517,8 @@ NtGdiPlgBlt(
return FALSE;
}
BOOL APIENTRY
BOOL
NTAPI
GreStretchBltMask(
HDC hDCDest,
INT XOriginDest,
@ -528,7 +530,7 @@ GreStretchBltMask(
INT YOriginSrc,
INT WidthSrc,
INT HeightSrc,
DWORD ROP,
DWORD dwRop4,
IN DWORD dwBackColor,
HDC hDCMask,
INT XOriginMask,
@ -551,10 +553,12 @@ GreStretchBltMask(
POINTL BrushOrigin;
BOOL UsesSource;
BOOL UsesMask;
ROP4 rop4;
FIXUP_ROP(ROP);
UsesSource = ROP_USES_SOURCE(ROP);
UsesMask = ROP_USES_MASK(ROP);
rop4 = WIN32_ROP4_TO_ENG_ROP4(dwRop4);
UsesSource = ROP4_USES_SOURCE(rop4);
UsesMask = ROP4_USES_MASK(rop4);
if (0 == WidthDest || 0 == HeightDest || 0 == WidthSrc || 0 == HeightSrc)
{
@ -692,7 +696,7 @@ GreStretchBltMask(
BitmapMask ? &MaskPoint : NULL,
&DCDest->eboFill.BrushObject,
&BrushOrigin,
ROP_TO_ROP4(ROP));
rop4);
if (UsesSource)
{
EXLATEOBJ_vCleanup(&exlo);
@ -726,10 +730,10 @@ NtGdiStretchBlt(
INT YOriginSrc,
INT WidthSrc,
INT HeightSrc,
DWORD ROP,
DWORD dwRop3,
IN DWORD dwBackColor)
{
DWORD dwTRop = ROP & ~(NOMIRRORBITMAP|CAPTUREBLT);
dwRop3 = dwRop3 & ~(NOMIRRORBITMAP|CAPTUREBLT);
return GreStretchBltMask(
hDCDest,
@ -742,7 +746,7 @@ NtGdiStretchBlt(
YOriginSrc,
WidthSrc,
HeightSrc,
dwTRop,
MAKEROP4(dwRop3 & 0xFF0000, dwRop3),
dwBackColor,
NULL,
0,
@ -757,7 +761,7 @@ IntPatBlt(
INT YLeft,
INT Width,
INT Height,
DWORD dwRop,
DWORD dwRop3,
PEBRUSHOBJ pebo)
{
RECTL DestRect;
@ -770,8 +774,6 @@ IntPatBlt(
pbrush = pebo->pbrush;
ASSERT(pbrush);
FIXUP_ROP(dwRop);
if (pbrush->flAttrs & BR_IS_NULL)
{
return TRUE;
@ -817,18 +819,17 @@ IntPatBlt(
psurf = pdc->dclevel.pSurface;
ret = IntEngBitBlt(
&psurf->SurfObj,
NULL,
NULL,
&pdc->co.ClipObj,
NULL,
&DestRect,
NULL,
NULL,
&pebo->BrushObject,
&BrushOrigin,
ROP_TO_ROP4(dwRop));
ret = IntEngBitBlt(&psurf->SurfObj,
NULL,
NULL,
&pdc->co.ClipObj,
NULL,
&DestRect,
NULL,
NULL,
&pebo->BrushObject,
&BrushOrigin,
WIN32_ROP3_TO_ENG_ROP4(dwRop3));
DC_vFinishBlit(pdc, NULL);
@ -906,15 +907,14 @@ NtGdiPatBlt(
BOOL bResult;
PDC pdc;
/* Mask away everything except foreground rop index */
dwRop = dwRop & 0x00FF0000;
dwRop |= dwRop << 8;
/* Convert the ROP3 to a ROP4 */
dwRop = MAKEROP4(dwRop & 0xFF0000, dwRop);
/* Check if the rop uses a source */
if (ROP_USES_SOURCE(dwRop))
if (WIN32_ROP4_USES_SOURCE(dwRop))
{
/* This is not possible */
return 0;
return FALSE;
}
/* Lock the DC */

View file

@ -1274,10 +1274,6 @@ NtGdiStretchDIBitsInternal(
pdc->pdcattr->crBackgroundClr,
pdc->pdcattr->crForegroundClr);
/* Mask away everything except foreground rop index */
dwRop = dwRop & 0x00FF0000;
dwRop |= dwRop << 8;
/* Perform the stretch operation */
bResult = IntEngStretchBlt(&psurfDst->SurfObj,
&psurfTmp->SurfObj,
@ -1290,7 +1286,7 @@ NtGdiStretchDIBitsInternal(
NULL,
&pdc->eboFill.BrushObject,
NULL,
ROP_TO_ROP4(dwRop));
WIN32_ROP3_TO_ENG_ROP4(dwRop));
/* Cleanup */
DC_vFinishBlit(pdc, NULL);

View file

@ -1,9 +1,10 @@
#pragma once
#define ROP_USES_SOURCE(Rop) (((((Rop) & 0xCC0000) >> 2) != ((Rop) & 0x330000)) || ((((Rop) & 0xCC000000) >> 2) != ((Rop) & 0x33000000)))
#define ROP_USES_MASK(Rop) (((Rop) & 0xFF000000) != (((Rop) & 0xff0000) << 8))
#define FIXUP_ROP(Rop) if(((Rop) & 0xFF000000) == 0) Rop = MAKEROP4((Rop), (Rop))
#define ROP_TO_ROP4(Rop) ((Rop) >> 16)
/* Convert WIN32 ROP into an ENG ROP */
#define WIN32_ROP3_TO_ENG_ROP4(dwRop4) ((((dwRop4) & 0x00FF0000) >> 16) | (((dwRop4) & 0x00FF0000) >> 8))
#define WIN32_ROP4_TO_ENG_ROP4(dwRop4) ((dwRop4) >> 16)
#define WIN32_ROP4_USES_SOURCE(Rop) ((((Rop) & 0xCCCC0000) >> 2) != ((Rop) & 0x33330000))
/* The range of valid ROP2 values is 1 .. 16 */
#define FIXUP_ROP2(rop2) ((((rop2) - 1) & 0xF) + 1)