diff options
Diffstat (limited to 'xorg-server/mi/mipushpxl.c')
| -rw-r--r-- | xorg-server/mi/mipushpxl.c | 542 |
1 files changed, 271 insertions, 271 deletions
diff --git a/xorg-server/mi/mipushpxl.c b/xorg-server/mi/mipushpxl.c index 3844519d8..9c3d9b342 100644 --- a/xorg-server/mi/mipushpxl.c +++ b/xorg-server/mi/mipushpxl.c @@ -1,271 +1,271 @@ -/*********************************************************** - -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 = xalloc(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; - } - } - } - xfree(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);
+ }
+}
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