diff options
Diffstat (limited to 'xorg-server/mi/mipushpxl.c')
| -rw-r--r-- | xorg-server/mi/mipushpxl.c | 520 |
1 files changed, 249 insertions, 271 deletions
diff --git a/xorg-server/mi/mipushpxl.c b/xorg-server/mi/mipushpxl.c index 9c3d9b342..9a78f4050 100644 --- a/xorg-server/mi/mipushpxl.c +++ b/xorg-server/mi/mipushpxl.c @@ -1,271 +1,249 @@ -/***********************************************************
-
-Copyright 1987, 1998 The Open Group
-
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that
-copyright notice and this permission notice appear in supporting
-documentation.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-******************************************************************/
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include "gcstruct.h"
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "regionstr.h"
-#include "mi.h"
-#include "servermd.h"
-
-#define NPT 128
-
-/* These were stolen from mfb. They don't really belong here. */
-#define LONG2CHARSSAMEORDER(x) ((MiBits)(x))
-#define LONG2CHARSDIFFORDER( x ) ( ( ( ( x ) & (MiBits)0x000000FF ) << 0x18 ) \
- | ( ( ( x ) & (MiBits)0x0000FF00 ) << 0x08 ) \
- | ( ( ( x ) & (MiBits)0x00FF0000 ) >> 0x08 ) \
- | ( ( ( x ) & (MiBits)0xFF000000 ) >> 0x18 ) )
-
-
-#define PGSZB 4
-#define PPW (PGSZB<<3) /* assuming 8 bits per byte */
-#define PGSZ PPW
-#define PLST (PPW-1)
-#define PIM PLST
-#define PWSH 5
-
-/* miPushPixels -- squeegees the fill style of pGC through pBitMap
- * into pDrawable. pBitMap is a stencil (dx by dy of it is used, it may
- * be bigger) which is placed on the drawable at xOrg, yOrg. Where a 1 bit
- * is set in the bitmap, the fill style is put onto the drawable using
- * the GC's logical function. The drawable is not changed where the bitmap
- * has a zero bit or outside the area covered by the stencil.
-
-WARNING:
- this code works if the 1-bit deep pixmap format returned by GetSpans
-is the same as the format defined by the mfb code (i.e. 32-bit padding
-per scanline, scanline unit = 32 bits; later, this might mean
-bitsizeof(int) padding and sacnline unit == bitsizeof(int).)
-
- */
-
-/*
- * in order to have both (MSB_FIRST and LSB_FIRST) versions of this
- * in the server, we need to rename one of them
- */
-void
-miPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDrawable,
- int dx, int dy, int xOrg, int yOrg)
-{
- int h, dxDivPPW, ibEnd;
- MiBits *pwLineStart;
- MiBits *pw, *pwEnd;
- MiBits msk;
- int ib, w;
- int ipt; /* index into above arrays */
- Bool fInBox;
- DDXPointRec pt[NPT], ptThisLine;
- int width[NPT];
-#if 1
- MiBits startmask;
- if (screenInfo.bitmapBitOrder == IMAGE_BYTE_ORDER)
- if (screenInfo.bitmapBitOrder == LSBFirst)
- startmask = (MiBits)(-1) ^
- LONG2CHARSSAMEORDER((MiBits)(-1) << 1);
- else
- startmask = (MiBits)(-1) ^
- LONG2CHARSSAMEORDER((MiBits)(-1) >> 1);
- else
- if (screenInfo.bitmapBitOrder == LSBFirst)
- startmask = (MiBits)(-1) ^
- LONG2CHARSDIFFORDER((MiBits)(-1) << 1);
- else
- startmask = (MiBits)(-1) ^
- LONG2CHARSDIFFORDER((MiBits)(-1) >> 1);
-#endif
-
- pwLineStart = malloc(BitmapBytePad(dx));
- if (!pwLineStart)
- return;
- ipt = 0;
- dxDivPPW = dx/PPW;
-
- for(h = 0, ptThisLine.x = 0, ptThisLine.y = 0;
- h < dy;
- h++, ptThisLine.y++)
- {
-
- (*pBitMap->drawable.pScreen->GetSpans)((DrawablePtr)pBitMap, dx,
- &ptThisLine, &dx, 1, (char *)pwLineStart);
-
- pw = pwLineStart;
- /* Process all words which are fully in the pixmap */
-
- fInBox = FALSE;
- pwEnd = pwLineStart + dxDivPPW;
- while(pw < pwEnd)
- {
- w = *pw;
-#if 1
- msk = startmask;
-#else
- msk = (MiBits)(-1) ^ SCRRIGHT((MiBits)(-1), 1);
-#endif
- for(ib = 0; ib < PPW; ib++)
- {
- if(w & msk)
- {
- if(!fInBox)
- {
- pt[ipt].x = ((pw - pwLineStart) << PWSH) + ib + xOrg;
- pt[ipt].y = h + yOrg;
- /* start new box */
- fInBox = TRUE;
- }
- }
- else
- {
- if(fInBox)
- {
- width[ipt] = ((pw - pwLineStart) << PWSH) +
- ib + xOrg - pt[ipt].x;
- if (++ipt >= NPT)
- {
- (*pGC->ops->FillSpans)(pDrawable, pGC,
- NPT, pt, width, TRUE);
- ipt = 0;
- }
- /* end box */
- fInBox = FALSE;
- }
- }
-#if 1
- /* This is not quite right, but it'll do for now */
- if (screenInfo.bitmapBitOrder == IMAGE_BYTE_ORDER)
- if (screenInfo.bitmapBitOrder == LSBFirst)
- msk = LONG2CHARSSAMEORDER(LONG2CHARSSAMEORDER(msk) << 1);
- else
- msk = LONG2CHARSSAMEORDER(LONG2CHARSSAMEORDER(msk) >> 1);
- else
- if (screenInfo.bitmapBitOrder == LSBFirst)
- msk = LONG2CHARSDIFFORDER(LONG2CHARSDIFFORDER(msk) << 1);
- else
- msk = LONG2CHARSDIFFORDER(LONG2CHARSDIFFORDER(msk) >> 1);
-#else
- msk = SCRRIGHT(msk, 1);
-#endif
- }
- pw++;
- }
- ibEnd = dx & PIM;
- if(ibEnd)
- {
- /* Process final partial word on line */
- w = *pw;
-#if 1
- msk = startmask;
-#else
- msk = (MiBits)(-1) ^ SCRRIGHT((MiBits)(-1), 1);
-#endif
- for(ib = 0; ib < ibEnd; ib++)
- {
- if(w & msk)
- {
- if(!fInBox)
- {
- /* start new box */
- pt[ipt].x = ((pw - pwLineStart) << PWSH) + ib + xOrg;
- pt[ipt].y = h + yOrg;
- fInBox = TRUE;
- }
- }
- else
- {
- if(fInBox)
- {
- /* end box */
- width[ipt] = ((pw - pwLineStart) << PWSH) +
- ib + xOrg - pt[ipt].x;
- if (++ipt >= NPT)
- {
- (*pGC->ops->FillSpans)(pDrawable,
- pGC, NPT, pt, width, TRUE);
- ipt = 0;
- }
- fInBox = FALSE;
- }
- }
-#if 1
- /* This is not quite right, but it'll do for now */
- if (screenInfo.bitmapBitOrder == IMAGE_BYTE_ORDER)
- if (screenInfo.bitmapBitOrder == LSBFirst)
- msk = LONG2CHARSSAMEORDER(LONG2CHARSSAMEORDER(msk) << 1);
- else
- msk = LONG2CHARSSAMEORDER(LONG2CHARSSAMEORDER(msk) >> 1);
- else
- if (screenInfo.bitmapBitOrder == LSBFirst)
- msk = LONG2CHARSDIFFORDER(LONG2CHARSDIFFORDER(msk) << 1);
- else
- msk = LONG2CHARSDIFFORDER(LONG2CHARSDIFFORDER(msk) >> 1);
-#else
- msk = SCRRIGHT(msk, 1);
-#endif
- }
- }
- /* If scanline ended with last bit set, end the box */
- if(fInBox)
- {
- width[ipt] = dx + xOrg - pt[ipt].x;
- if (++ipt >= NPT)
- {
- (*pGC->ops->FillSpans)(pDrawable, pGC, NPT, pt, width, TRUE);
- ipt = 0;
- }
- }
- }
- free(pwLineStart);
- /* Flush any remaining spans */
- if (ipt)
- {
- (*pGC->ops->FillSpans)(pDrawable, pGC, ipt, pt, width, TRUE);
- }
-}
+/*********************************************************** + +Copyright 1987, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +******************************************************************/ +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include "gcstruct.h" +#include "scrnintstr.h" +#include "pixmapstr.h" +#include "regionstr.h" +#include "mi.h" +#include "servermd.h" + +#define NPT 128 + +/* These were stolen from mfb. They don't really belong here. */ +#define LONG2CHARSSAMEORDER(x) ((MiBits)(x)) +#define LONG2CHARSDIFFORDER( x ) ( ( ( ( x ) & (MiBits)0x000000FF ) << 0x18 ) \ + | ( ( ( x ) & (MiBits)0x0000FF00 ) << 0x08 ) \ + | ( ( ( x ) & (MiBits)0x00FF0000 ) >> 0x08 ) \ + | ( ( ( x ) & (MiBits)0xFF000000 ) >> 0x18 ) ) + +#define PGSZB 4 +#define PPW (PGSZB<<3) /* assuming 8 bits per byte */ +#define PGSZ PPW +#define PLST (PPW-1) +#define PIM PLST +#define PWSH 5 + +/* miPushPixels -- squeegees the fill style of pGC through pBitMap + * into pDrawable. pBitMap is a stencil (dx by dy of it is used, it may + * be bigger) which is placed on the drawable at xOrg, yOrg. Where a 1 bit + * is set in the bitmap, the fill style is put onto the drawable using + * the GC's logical function. The drawable is not changed where the bitmap + * has a zero bit or outside the area covered by the stencil. + +WARNING: + this code works if the 1-bit deep pixmap format returned by GetSpans +is the same as the format defined by the mfb code (i.e. 32-bit padding +per scanline, scanline unit = 32 bits; later, this might mean +bitsizeof(int) padding and sacnline unit == bitsizeof(int).) + + */ + +/* + * in order to have both (MSB_FIRST and LSB_FIRST) versions of this + * in the server, we need to rename one of them + */ +void +miPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDrawable, + int dx, int dy, int xOrg, int yOrg) +{ + int h, dxDivPPW, ibEnd; + MiBits *pwLineStart; + MiBits *pw, *pwEnd; + MiBits msk; + int ib, w; + int ipt; /* index into above arrays */ + Bool fInBox; + DDXPointRec pt[NPT], ptThisLine; + int width[NPT]; + +#if 1 + MiBits startmask; + + if (screenInfo.bitmapBitOrder == IMAGE_BYTE_ORDER) + if (screenInfo.bitmapBitOrder == LSBFirst) + startmask = (MiBits) (-1) ^ LONG2CHARSSAMEORDER((MiBits) (-1) << 1); + else + startmask = (MiBits) (-1) ^ LONG2CHARSSAMEORDER((MiBits) (-1) >> 1); + else if (screenInfo.bitmapBitOrder == LSBFirst) + startmask = (MiBits) (-1) ^ LONG2CHARSDIFFORDER((MiBits) (-1) << 1); + else + startmask = (MiBits) (-1) ^ LONG2CHARSDIFFORDER((MiBits) (-1) >> 1); +#endif + + pwLineStart = malloc(BitmapBytePad(dx)); + if (!pwLineStart) + return; + ipt = 0; + dxDivPPW = dx / PPW; + + for (h = 0, ptThisLine.x = 0, ptThisLine.y = 0; h < dy; h++, ptThisLine.y++) { + + (*pBitMap->drawable.pScreen->GetSpans) ((DrawablePtr) pBitMap, dx, + &ptThisLine, &dx, 1, + (char *) pwLineStart); + + pw = pwLineStart; + /* Process all words which are fully in the pixmap */ + + fInBox = FALSE; + pwEnd = pwLineStart + dxDivPPW; + while (pw < pwEnd) { + w = *pw; +#if 1 + msk = startmask; +#else + msk = (MiBits) (-1) ^ SCRRIGHT((MiBits) (-1), 1); +#endif + for (ib = 0; ib < PPW; ib++) { + if (w & msk) { + if (!fInBox) { + pt[ipt].x = ((pw - pwLineStart) << PWSH) + ib + xOrg; + pt[ipt].y = h + yOrg; + /* start new box */ + fInBox = TRUE; + } + } + else { + if (fInBox) { + width[ipt] = ((pw - pwLineStart) << PWSH) + + ib + xOrg - pt[ipt].x; + if (++ipt >= NPT) { + (*pGC->ops->FillSpans) (pDrawable, pGC, + NPT, pt, width, TRUE); + ipt = 0; + } + /* end box */ + fInBox = FALSE; + } + } +#if 1 + /* This is not quite right, but it'll do for now */ + if (screenInfo.bitmapBitOrder == IMAGE_BYTE_ORDER) + if (screenInfo.bitmapBitOrder == LSBFirst) + msk = + LONG2CHARSSAMEORDER(LONG2CHARSSAMEORDER(msk) << 1); + else + msk = + LONG2CHARSSAMEORDER(LONG2CHARSSAMEORDER(msk) >> 1); + else if (screenInfo.bitmapBitOrder == LSBFirst) + msk = LONG2CHARSDIFFORDER(LONG2CHARSDIFFORDER(msk) << 1); + else + msk = LONG2CHARSDIFFORDER(LONG2CHARSDIFFORDER(msk) >> 1); +#else + msk = SCRRIGHT(msk, 1); +#endif + } + pw++; + } + ibEnd = dx & PIM; + if (ibEnd) { + /* Process final partial word on line */ + w = *pw; +#if 1 + msk = startmask; +#else + msk = (MiBits) (-1) ^ SCRRIGHT((MiBits) (-1), 1); +#endif + for (ib = 0; ib < ibEnd; ib++) { + if (w & msk) { + if (!fInBox) { + /* start new box */ + pt[ipt].x = ((pw - pwLineStart) << PWSH) + ib + xOrg; + pt[ipt].y = h + yOrg; + fInBox = TRUE; + } + } + else { + if (fInBox) { + /* end box */ + width[ipt] = ((pw - pwLineStart) << PWSH) + + ib + xOrg - pt[ipt].x; + if (++ipt >= NPT) { + (*pGC->ops->FillSpans) (pDrawable, + pGC, NPT, pt, width, TRUE); + ipt = 0; + } + fInBox = FALSE; + } + } +#if 1 + /* This is not quite right, but it'll do for now */ + if (screenInfo.bitmapBitOrder == IMAGE_BYTE_ORDER) + if (screenInfo.bitmapBitOrder == LSBFirst) + msk = + LONG2CHARSSAMEORDER(LONG2CHARSSAMEORDER(msk) << 1); + else + msk = + LONG2CHARSSAMEORDER(LONG2CHARSSAMEORDER(msk) >> 1); + else if (screenInfo.bitmapBitOrder == LSBFirst) + msk = LONG2CHARSDIFFORDER(LONG2CHARSDIFFORDER(msk) << 1); + else + msk = LONG2CHARSDIFFORDER(LONG2CHARSDIFFORDER(msk) >> 1); +#else + msk = SCRRIGHT(msk, 1); +#endif + } + } + /* If scanline ended with last bit set, end the box */ + if (fInBox) { + width[ipt] = dx + xOrg - pt[ipt].x; + if (++ipt >= NPT) { + (*pGC->ops->FillSpans) (pDrawable, pGC, NPT, pt, width, TRUE); + ipt = 0; + } + } + } + free(pwLineStart); + /* Flush any remaining spans */ + if (ipt) { + (*pGC->ops->FillSpans) (pDrawable, pGC, ipt, pt, width, TRUE); + } +} |