diff options
Diffstat (limited to 'nx-X11/programs/Xserver/cfb/cfbbitblt.c')
| -rw-r--r-- | nx-X11/programs/Xserver/cfb/cfbbitblt.c | 1454 |
1 files changed, 0 insertions, 1454 deletions
diff --git a/nx-X11/programs/Xserver/cfb/cfbbitblt.c b/nx-X11/programs/Xserver/cfb/cfbbitblt.c deleted file mode 100644 index a9dd438fe..000000000 --- a/nx-X11/programs/Xserver/cfb/cfbbitblt.c +++ /dev/null @@ -1,1454 +0,0 @@ -/* - * cfb copy area - */ - -/* $XFree86: xc/programs/Xserver/cfb/cfbbitblt.c,v 1.19tsi Exp $ */ - -/* - -Copyright 1989, 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. - -Author: Keith Packard - -*/ -/* $Xorg: cfbbitblt.c,v 1.4 2001/02/09 02:04:37 xorgcvs Exp $ */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <X11/X.h> -#include <X11/Xmd.h> -#include <X11/Xproto.h> -#include "gcstruct.h" -#include "windowstr.h" -#include "scrnintstr.h" -#include "pixmapstr.h" -#include "regionstr.h" -#include "mi.h" -#include "cfb.h" -#include "cfbmskbits.h" -#include "cfb8bit.h" -#include "fastblt.h" -#define MFB_CONSTS_ONLY -#include "maskbits.h" - -#if PSZ == 8 -#define cfbCopyPlane1toN cfbCopyPlane1to8 -#define cfbCopyPlaneNto1 cfbCopyPlane8to1 -#else -static unsigned int FgPixel, BgPixel; -# if PSZ == 16 -#define cfbCopyPlane1toN cfbCopyPlane1to16 -#define cfbCopyPlaneNto1 cfbCopyPlane16to1 -# endif -# if PSZ == 24 -#define cfbCopyPlane1toN cfbCopyPlane1to24 -#define cfbCopyPlaneNto1 cfbCopyPlane24to1 -# endif -# if PSZ == 32 -#define cfbCopyPlane1toN cfbCopyPlane1to32 -#define cfbCopyPlaneNto1 cfbCopyPlane32to1 -# endif -#endif - -/* cfbBitBltcfb == cfbCopyPlaneExpand */ -RegionPtr -cfbBitBlt ( - register DrawablePtr pSrcDrawable, - register DrawablePtr pDstDrawable, - GC *pGC, - int srcx, int srcy, - int width, int height, - int dstx, int dsty, - void (*doBitBlt)( - DrawablePtr /*pSrc*/, - DrawablePtr /*pDst*/, - int /*alu*/, - RegionPtr /*prgnDst*/, - DDXPointPtr /*pptSrc*/, - unsigned long /*planemask*/), - unsigned long bitPlane) -{ - RegionPtr prgnSrcClip = NULL; /* may be a new region, or just a copy */ - Bool freeSrcClip = FALSE; - - RegionPtr prgnExposed; - RegionRec rgnDst; - DDXPointPtr pptSrc; - register DDXPointPtr ppt; - register BoxPtr pbox; - int i; - register int dx; - register int dy; - xRectangle origSource; - DDXPointRec origDest; - int numRects; - BoxRec fastBox; - int fastClip = 0; /* for fast clipping with pixmap source */ - int fastExpose = 0; /* for fast exposures with pixmap source */ - - origSource.x = srcx; - origSource.y = srcy; - origSource.width = width; - origSource.height = height; - origDest.x = dstx; - origDest.y = dsty; - - if ((pSrcDrawable != pDstDrawable) && - pSrcDrawable->pScreen->SourceValidate) - { - (*pSrcDrawable->pScreen->SourceValidate) (pSrcDrawable, srcx, srcy, width, height); - } - - srcx += pSrcDrawable->x; - srcy += pSrcDrawable->y; - - /* clip the source */ - - if (pSrcDrawable->type == DRAWABLE_PIXMAP) - { - if ((pSrcDrawable == pDstDrawable) && - (pGC->clientClipType == CT_NONE)) - { - prgnSrcClip = cfbGetCompositeClip(pGC); - } - else - { - fastClip = 1; - } - } - else - { - if (pGC->subWindowMode == IncludeInferiors) - { - /* - * XFree86 DDX empties the border clip when the - * VT is inactive - */ - if (!((WindowPtr) pSrcDrawable)->parent && - REGION_NOTEMPTY (pSrcDrawable->pScreen, - &((WindowPtr) pSrcDrawable)->borderClip)) - { - /* - * special case bitblt from root window in - * IncludeInferiors mode; just like from a pixmap - */ - fastClip = 1; - } - else if ((pSrcDrawable == pDstDrawable) && - (pGC->clientClipType == CT_NONE)) - { - prgnSrcClip = cfbGetCompositeClip(pGC); - } - else - { - prgnSrcClip = NotClippedByChildren((WindowPtr)pSrcDrawable); - freeSrcClip = TRUE; - } - } - else - { - prgnSrcClip = &((WindowPtr)pSrcDrawable)->clipList; - } - } - - fastBox.x1 = srcx; - fastBox.y1 = srcy; - fastBox.x2 = srcx + width; - fastBox.y2 = srcy + height; - - /* Don't create a source region if we are doing a fast clip */ - if (fastClip) - { - fastExpose = 1; - /* - * clip the source; if regions extend beyond the source size, - * make sure exposure events get sent - */ - if (fastBox.x1 < pSrcDrawable->x) - { - fastBox.x1 = pSrcDrawable->x; - fastExpose = 0; - } - if (fastBox.y1 < pSrcDrawable->y) - { - fastBox.y1 = pSrcDrawable->y; - fastExpose = 0; - } - if (fastBox.x2 > pSrcDrawable->x + (int) pSrcDrawable->width) - { - fastBox.x2 = pSrcDrawable->x + (int) pSrcDrawable->width; - fastExpose = 0; - } - if (fastBox.y2 > pSrcDrawable->y + (int) pSrcDrawable->height) - { - fastBox.y2 = pSrcDrawable->y + (int) pSrcDrawable->height; - fastExpose = 0; - } - } - else - { - REGION_INIT(pGC->pScreen, &rgnDst, &fastBox, 1); - REGION_INTERSECT(pGC->pScreen, &rgnDst, &rgnDst, prgnSrcClip); - } - - dstx += pDstDrawable->x; - dsty += pDstDrawable->y; - - if (pDstDrawable->type == DRAWABLE_WINDOW) - { - if (!((WindowPtr)pDstDrawable)->realized) - { - if (!fastClip) - REGION_UNINIT(pGC->pScreen, &rgnDst); - if (freeSrcClip) - REGION_DESTROY(pGC->pScreen, prgnSrcClip); - return NULL; - } - } - - dx = srcx - dstx; - dy = srcy - dsty; - - /* Translate and clip the dst to the destination composite clip */ - if (fastClip) - { - RegionPtr cclip; - - /* Translate the region directly */ - fastBox.x1 -= dx; - fastBox.x2 -= dx; - fastBox.y1 -= dy; - fastBox.y2 -= dy; - - /* If the destination composite clip is one rectangle we can - do the clip directly. Otherwise we have to create a full - blown region and call intersect */ - - /* XXX because CopyPlane uses this routine for 8-to-1 bit - * copies, this next line *must* also correctly fetch the - * composite clip from an mfb gc - */ - - cclip = cfbGetCompositeClip(pGC); - if (REGION_NUM_RECTS(cclip) == 1) - { - BoxPtr pBox = REGION_RECTS(cclip); - - if (fastBox.x1 < pBox->x1) fastBox.x1 = pBox->x1; - if (fastBox.x2 > pBox->x2) fastBox.x2 = pBox->x2; - if (fastBox.y1 < pBox->y1) fastBox.y1 = pBox->y1; - if (fastBox.y2 > pBox->y2) fastBox.y2 = pBox->y2; - - /* Check to see if the region is empty */ - if (fastBox.x1 >= fastBox.x2 || fastBox.y1 >= fastBox.y2) - { - REGION_NULL(pGC->pScreen, &rgnDst); - } - else - { - REGION_INIT(pGC->pScreen, &rgnDst, &fastBox, 1); - } - } - else - { - /* We must turn off fastClip now, since we must create - a full blown region. It is intersected with the - composite clip below. */ - fastClip = 0; - REGION_INIT(pGC->pScreen, &rgnDst, &fastBox,1); - } - } - else - { - REGION_TRANSLATE(pGC->pScreen, &rgnDst, -dx, -dy); - } - - if (!fastClip) - { - REGION_INTERSECT(pGC->pScreen, &rgnDst, - &rgnDst, - cfbGetCompositeClip(pGC)); - } - - /* Do bit blitting */ - numRects = REGION_NUM_RECTS(&rgnDst); - if (numRects && width && height) - { - if(!(pptSrc = (DDXPointPtr)ALLOCATE_LOCAL(numRects * - sizeof(DDXPointRec)))) - { - REGION_UNINIT(pGC->pScreen, &rgnDst); - if (freeSrcClip) - REGION_DESTROY(pGC->pScreen, prgnSrcClip); - return NULL; - } - pbox = REGION_RECTS(&rgnDst); - ppt = pptSrc; - for (i = numRects; --i >= 0; pbox++, ppt++) - { - ppt->x = pbox->x1 + dx; - ppt->y = pbox->y1 + dy; - } - - (*doBitBlt) (pSrcDrawable, pDstDrawable, pGC->alu, &rgnDst, pptSrc, pGC->planemask); - DEALLOCATE_LOCAL(pptSrc); - } - - prgnExposed = NULL; - if (pGC->fExpose) - { - /* Pixmap sources generate a NoExposed (we return NULL to do this) */ - if (!fastExpose) - prgnExposed = - miHandleExposures(pSrcDrawable, pDstDrawable, pGC, - origSource.x, origSource.y, - (int)origSource.width, - (int)origSource.height, - origDest.x, origDest.y, bitPlane); - } - REGION_UNINIT(pGC->pScreen, &rgnDst); - if (freeSrcClip) - REGION_DESTROY(pGC->pScreen, prgnSrcClip); - return prgnExposed; -} - - -RegionPtr -cfbCopyPlaneReduce ( - register DrawablePtr pSrcDrawable, - register DrawablePtr pDstDrawable, - GC *pGC, - int srcx, int srcy, - int width, int height, - int dstx, int dsty, - void (*doCopyPlane)( - DrawablePtr /*pSrc*/, - DrawablePtr /*pDst*/, - int /*alu*/, - RegionPtr /*prgnDst*/, - DDXPointPtr /*pptSrc*/, - unsigned long /*planemask*/, - unsigned long /*bitPlane*/), - unsigned long bitPlane) -{ - RegionPtr prgnSrcClip = NULL; /* may be a new region, or just a copy */ - Bool freeSrcClip = FALSE; - - RegionPtr prgnExposed; - RegionRec rgnDst; - DDXPointPtr pptSrc; - register DDXPointPtr ppt; - register BoxPtr pbox; - int i; - register int dx; - register int dy; - xRectangle origSource; - DDXPointRec origDest; - int numRects; - BoxRec fastBox; - int fastClip = 0; /* for fast clipping with pixmap source */ - int fastExpose = 0; /* for fast exposures with pixmap source */ - - origSource.x = srcx; - origSource.y = srcy; - origSource.width = width; - origSource.height = height; - origDest.x = dstx; - origDest.y = dsty; - - if ((pSrcDrawable != pDstDrawable) && - pSrcDrawable->pScreen->SourceValidate) - { - (*pSrcDrawable->pScreen->SourceValidate) (pSrcDrawable, srcx, srcy, width, height); - } - - srcx += pSrcDrawable->x; - srcy += pSrcDrawable->y; - - /* clip the source */ - - if (pSrcDrawable->type == DRAWABLE_PIXMAP) - { - if ((pSrcDrawable == pDstDrawable) && - (pGC->clientClipType == CT_NONE)) - { - prgnSrcClip = cfbGetCompositeClip(pGC); - } - else - { - fastClip = 1; - } - } - else - { - if (pGC->subWindowMode == IncludeInferiors) - { - /* - * XFree86 DDX empties the border clip when the - * VT is inactive - */ - if (!((WindowPtr) pSrcDrawable)->parent && - REGION_NOTEMPTY (pSrcDrawable->pScreen, - &((WindowPtr) pSrcDrawable)->borderClip)) - { - /* - * special case bitblt from root window in - * IncludeInferiors mode; just like from a pixmap - */ - fastClip = 1; - } - else if ((pSrcDrawable == pDstDrawable) && - (pGC->clientClipType == CT_NONE)) - { - prgnSrcClip = cfbGetCompositeClip(pGC); - } - else - { - prgnSrcClip = NotClippedByChildren((WindowPtr)pSrcDrawable); - freeSrcClip = TRUE; - } - } - else - { - prgnSrcClip = &((WindowPtr)pSrcDrawable)->clipList; - } - } - - fastBox.x1 = srcx; - fastBox.y1 = srcy; - fastBox.x2 = srcx + width; - fastBox.y2 = srcy + height; - - /* Don't create a source region if we are doing a fast clip */ - if (fastClip) - { - fastExpose = 1; - /* - * clip the source; if regions extend beyond the source size, - * make sure exposure events get sent - */ - if (fastBox.x1 < pSrcDrawable->x) - { - fastBox.x1 = pSrcDrawable->x; - fastExpose = 0; - } - if (fastBox.y1 < pSrcDrawable->y) - { - fastBox.y1 = pSrcDrawable->y; - fastExpose = 0; - } - if (fastBox.x2 > pSrcDrawable->x + (int) pSrcDrawable->width) - { - fastBox.x2 = pSrcDrawable->x + (int) pSrcDrawable->width; - fastExpose = 0; - } - if (fastBox.y2 > pSrcDrawable->y + (int) pSrcDrawable->height) - { - fastBox.y2 = pSrcDrawable->y + (int) pSrcDrawable->height; - fastExpose = 0; - } - } - else - { - REGION_INIT(pGC->pScreen, &rgnDst, &fastBox, 1); - REGION_INTERSECT(pGC->pScreen, &rgnDst, &rgnDst, prgnSrcClip); - } - - dstx += pDstDrawable->x; - dsty += pDstDrawable->y; - - if (pDstDrawable->type == DRAWABLE_WINDOW) - { - if (!((WindowPtr)pDstDrawable)->realized) - { - if (!fastClip) - REGION_UNINIT(pGC->pScreen, &rgnDst); - if (freeSrcClip) - REGION_DESTROY(pGC->pScreen, prgnSrcClip); - return NULL; - } - } - - dx = srcx - dstx; - dy = srcy - dsty; - - /* Translate and clip the dst to the destination composite clip */ - if (fastClip) - { - RegionPtr cclip; - - /* Translate the region directly */ - fastBox.x1 -= dx; - fastBox.x2 -= dx; - fastBox.y1 -= dy; - fastBox.y2 -= dy; - - /* If the destination composite clip is one rectangle we can - do the clip directly. Otherwise we have to create a full - blown region and call intersect */ - - /* XXX because CopyPlane uses this routine for 8-to-1 bit - * copies, this next line *must* also correctly fetch the - * composite clip from an mfb gc - */ - - cclip = cfbGetCompositeClip(pGC); - if (REGION_NUM_RECTS(cclip) == 1) - { - BoxPtr pBox = REGION_RECTS(cclip); - - if (fastBox.x1 < pBox->x1) fastBox.x1 = pBox->x1; - if (fastBox.x2 > pBox->x2) fastBox.x2 = pBox->x2; - if (fastBox.y1 < pBox->y1) fastBox.y1 = pBox->y1; - if (fastBox.y2 > pBox->y2) fastBox.y2 = pBox->y2; - - /* Check to see if the region is empty */ - if (fastBox.x1 >= fastBox.x2 || fastBox.y1 >= fastBox.y2) - { - REGION_NULL(pGC->pScreen, &rgnDst); - } - else - { - REGION_INIT(pGC->pScreen, &rgnDst, &fastBox, 1); - } - } - else - { - /* We must turn off fastClip now, since we must create - a full blown region. It is intersected with the - composite clip below. */ - fastClip = 0; - REGION_INIT(pGC->pScreen, &rgnDst, &fastBox, 1); - } - } - else - { - REGION_TRANSLATE(pGC->pScreen, &rgnDst, -dx, -dy); - } - - if (!fastClip) - { - REGION_INTERSECT(pGC->pScreen, &rgnDst, - &rgnDst, - cfbGetCompositeClip(pGC)); - } - - /* Do bit blitting */ - numRects = REGION_NUM_RECTS(&rgnDst); - if (numRects && width && height) - { - if(!(pptSrc = (DDXPointPtr)ALLOCATE_LOCAL(numRects * - sizeof(DDXPointRec)))) - { - REGION_UNINIT(pGC->pScreen, &rgnDst); - if (freeSrcClip) - REGION_DESTROY(pGC->pScreen, prgnSrcClip); - return NULL; - } - pbox = REGION_RECTS(&rgnDst); - ppt = pptSrc; - for (i = numRects; --i >= 0; pbox++, ppt++) - { - ppt->x = pbox->x1 + dx; - ppt->y = pbox->y1 + dy; - } - - (*doCopyPlane) (pSrcDrawable, pDstDrawable, pGC->alu, &rgnDst, pptSrc, pGC->planemask, bitPlane); - DEALLOCATE_LOCAL(pptSrc); - } - - prgnExposed = NULL; - if (pGC->fExpose) - { - /* Pixmap sources generate a NoExposed (we return NULL to do this) */ - if (!fastExpose) - prgnExposed = - miHandleExposures(pSrcDrawable, pDstDrawable, pGC, - origSource.x, origSource.y, - (int)origSource.width, - (int)origSource.height, - origDest.x, origDest.y, bitPlane); - } - REGION_UNINIT(pGC->pScreen, &rgnDst); - if (freeSrcClip) - REGION_DESTROY(pGC->pScreen, prgnSrcClip); - return prgnExposed; -} - - -void -cfbDoBitblt (pSrc, pDst, alu, prgnDst, pptSrc, planemask) - DrawablePtr pSrc, pDst; - int alu; - RegionPtr prgnDst; - DDXPointPtr pptSrc; - unsigned long planemask; -{ - void (*doBitBlt)( - DrawablePtr /*pSrc*/, - DrawablePtr /*pDst*/, - int /*alu*/, - RegionPtr /*prgnDst*/, - DDXPointPtr /*pptSrc*/, - unsigned long /*planemask*/) - = cfbDoBitbltGeneral; - - if ((planemask & PMSK) == PMSK) { - switch (alu) { - case GXcopy: - doBitBlt = cfbDoBitbltCopy; - break; - case GXxor: - doBitBlt = cfbDoBitbltXor; - break; - case GXor: - doBitBlt = cfbDoBitbltOr; - break; - } - } - (*doBitBlt) (pSrc, pDst, alu, prgnDst, pptSrc, planemask); -} - -RegionPtr -cfbCopyArea(pSrcDrawable, pDstDrawable, - pGC, srcx, srcy, width, height, dstx, dsty) - register DrawablePtr pSrcDrawable; - register DrawablePtr pDstDrawable; - GC *pGC; - int srcx, srcy; - int width, height; - int dstx, dsty; -{ - void (*doBitBlt) ( - DrawablePtr /*pSrc*/, - DrawablePtr /*pDst*/, - int /*alu*/, - RegionPtr /*prgnDst*/, - DDXPointPtr /*pptSrc*/, - unsigned long /*planemask*/); - - doBitBlt = cfbDoBitbltCopy; - if (pGC->alu != GXcopy || (pGC->planemask & PMSK) != PMSK) - { - doBitBlt = cfbDoBitbltGeneral; - if ((pGC->planemask & PMSK) == PMSK) - { - switch (pGC->alu) { - case GXxor: - doBitBlt = cfbDoBitbltXor; - break; - case GXor: - doBitBlt = cfbDoBitbltOr; - break; - } - } - } - return cfbBitBlt (pSrcDrawable, pDstDrawable, - pGC, srcx, srcy, width, height, dstx, dsty, doBitBlt, 0L); -} - -#if PSZ == 8 -void -cfbCopyPlane1to8 (pSrcDrawable, pDstDrawable, rop, prgnDst, pptSrc, planemask) - DrawablePtr pSrcDrawable; /* must be a bitmap */ - DrawablePtr pDstDrawable; /* must be depth 8 drawable */ - int rop; /* not used; caller must call cfb8CheckOpaqueStipple - * beforehand to get cfb8StippleRRop set correctly */ - RegionPtr prgnDst; /* region in destination to draw to; - * screen relative coords. if dest is a window; - * drawable relative if dest is a pixmap */ - DDXPointPtr pptSrc; /* drawable relative src coords to copy from; - * must be one point for each box in prgnDst */ - unsigned long planemask; /* to apply to destination writes */ -{ - int srcx, srcy; /* upper left corner of box being copied in source */ - int dstx, dsty; /* upper left corner of box being copied in dest */ - int width, height; /* in pixels, unpadded, of box being copied */ - int xoffSrc; /* bit # in leftmost word of row from which copying starts */ - int xoffDst; /* byte # in leftmost word of row from which copying starts */ - CfbBits *psrcBase, *pdstBase; /* start of drawable's pixel data */ - int widthSrc; /* # of groups of 32 pixels (1 bit/pixel) in src bitmap*/ - int widthDst; /* # of groups of 4 pixels (8 bits/pixel) in dst */ - CfbBits *psrcLine, *pdstLine; /* steps a row at a time thru src/dst; - * may point into middle of row */ - register CfbBits *psrc, *pdst; /* steps within the row */ - register CfbBits bits, tmp; /* bits from source */ - register int leftShift; - register int rightShift; - CfbBits startmask; /* left edge pixel mask */ - CfbBits endmask; /* right edge pixel mask */ - register int nlMiddle; /* number of words in middle of the row to draw */ - register int nl; - int firstoff = 0; - int secondoff = 0; - CfbBits src; - int nbox; /* number of boxes in region to copy */ - BoxPtr pbox; /* steps thru boxes in region */ - int pixelsRemainingOnRightEdge; /* # pixels to be drawn on a row after - * the main "middle" loop */ - - cfbGetLongWidthAndPointer (pSrcDrawable, widthSrc, psrcBase) - cfbGetLongWidthAndPointer (pDstDrawable, widthDst, pdstBase) - - nbox = REGION_NUM_RECTS(prgnDst); - pbox = REGION_RECTS(prgnDst); - while (nbox--) - { - dstx = pbox->x1; - dsty = pbox->y1; - srcx = pptSrc->x; - srcy = pptSrc->y; - width = pbox->x2 - pbox->x1; - height = pbox->y2 - pbox->y1; - pbox++; - pptSrc++; - - psrcLine = psrcBase + srcy * widthSrc + (srcx >> MFB_PWSH); - pdstLine = pdstBase + dsty * widthDst + (dstx >> PWSH); - xoffSrc = srcx & MFB_PIM; /* finds starting bit in src */ - xoffDst = dstx & PIM; /* finds starting byte in dst */ - - /* compute startmask, endmask, nlMiddle */ - - if (xoffDst + width < PPW) /* XXX should this be '<= PPW' ? */ - { /* the copy only affects one word per row in destination */ - maskpartialbits(dstx, width, startmask); - endmask = 0; /* nothing on right edge */ - nlMiddle = 0; /* nothing in middle */ - } - else - { /* the copy will affect multiple words per row in destination */ - maskbits(dstx, width, startmask, endmask, nlMiddle); - } - - /* - * compute constants for the first four bits to be - * copied. This avoids troubles with partial first - * writes, and difficult shift computation - */ - if (startmask) - { - firstoff = xoffSrc - xoffDst; - if (firstoff > (MFB_PPW-PPW)) - secondoff = MFB_PPW - firstoff; - if (xoffDst) - { - srcx += (PPW-xoffDst); - xoffSrc = srcx & MFB_PIM; - } - } - leftShift = xoffSrc; - rightShift = MFB_PPW - leftShift; - - pixelsRemainingOnRightEdge = (nlMiddle & 7) * PPW + - ((dstx + width) & PIM); - - /* setup is done; now let's move some bits */ - - /* caller must call cfb8CheckOpaqueStipple before this function - * to set cfb8StippleRRop! - */ - - if (cfb8StippleRRop == GXcopy) - { - while (height--) - { /* one iteration of this loop copies one row */ - psrc = psrcLine; - pdst = pdstLine; - psrcLine += widthSrc; - pdstLine += widthDst; - bits = *psrc++; - if (startmask) - { - if (firstoff < 0) - tmp = BitRight (bits, -firstoff); - else - { - tmp = BitLeft (bits, firstoff); - /* - * need a more cautious test for partialmask - * case... - */ - if (firstoff >= (MFB_PPW-PPW)) - { - bits = *psrc++; - if (firstoff != (MFB_PPW-PPW)) - tmp |= BitRight (bits, secondoff); - } - } - *pdst = (*pdst & ~startmask) | (GetPixelGroup(tmp) & startmask); - pdst++; - } - nl = nlMiddle; - while (nl >= 8) - { - nl -= 8; - tmp = BitLeft(bits, leftShift); - bits = *psrc++; - if (rightShift != MFB_PPW) - tmp |= BitRight(bits, rightShift); - -#ifdef FAST_CONSTANT_OFFSET_MODE -# define StorePixels(pdst,o,pixels) (pdst)[o] = (pixels) -# define EndStep(pdst,o) (pdst) += (o) -# define StoreRopPixels(pdst,o,and,xor) (pdst)[o] = DoRRop((pdst)[o],and,xor); -#else -# define StorePixels(pdst,o,pixels) *(pdst)++ = (pixels) -# define EndStep(pdst,o) -# define StoreRopPixels(pdst,o,and,xor) *(pdst) = DoRRop(*(pdst),and,xor); (pdst)++; -#endif - -#define Step(c) NextBitGroup(c); -#define StoreBitsPlain(o,c) StorePixels(pdst,o,GetPixelGroup(c)) -#define StoreRopBitsPlain(o,c) StoreRopPixels(pdst,o,\ - cfb8StippleAnd[GetBitGroup(c)], \ - cfb8StippleXor[GetBitGroup(c)]) -#define StoreBits0(c) StoreBitsPlain(0,c) -#define StoreRopBits0(c) StoreRopBitsPlain(0,c) - -#if (BITMAP_BIT_ORDER == MSBFirst) -# define StoreBits(o,c) StoreBitsPlain(o,c) -# define StoreRopBits(o,c) StoreRopBitsPlain(o,c) -# define FirstStep(c) Step(c) -#else /* BITMAP_BIT_ORDER == LSBFirst */ -#if PGSZ == 64 -# define StoreBits(o,c) StorePixels(pdst,o, (cfb8Pixels[c & 0xff])) -# define StoreRopBits(o,c) StoreRopPixels(pdst,o, \ - (cfb8StippleAnd[c & 0xff]), \ - (cfb8StippleXor[c & 0xff])) -# define FirstStep(c) c = BitLeft (c, 8); -#else -/* 0x3c is 0xf << 2 (4 bits, long word) */ -# define StoreBits(o,c) StorePixels(pdst,o,*((CfbBits *)\ - (((char *) cfb8Pixels) + (c & 0x3c)))) -# define StoreRopBits(o,c) StoreRopPixels(pdst,o, \ - *((CfbBits *) (((char *) cfb8StippleAnd) + (c & 0x3c))), \ - *((CfbBits *) (((char *) cfb8StippleXor) + (c & 0x3c)))) -# define FirstStep(c) c = BitLeft (c, 2); -#endif /* PGSZ */ -#endif /* BITMAP_BIT_ORDER */ - - StoreBits0(tmp); FirstStep(tmp); - StoreBits(1,tmp); Step(tmp); - StoreBits(2,tmp); Step(tmp); - StoreBits(3,tmp); Step(tmp); - StoreBits(4,tmp); Step(tmp); - StoreBits(5,tmp); Step(tmp); - StoreBits(6,tmp); Step(tmp); - StoreBits(7,tmp); EndStep (pdst,8); - } - - /* do rest of middle and partial word on right edge */ - - if (pixelsRemainingOnRightEdge) - { - tmp = BitLeft(bits, leftShift); - - if (pixelsRemainingOnRightEdge > rightShift) - { - bits = *psrc++; - tmp |= BitRight (bits, rightShift); - } - EndStep (pdst, nl); - switch (nl) - { - case 7: - StoreBitsPlain(-7,tmp); Step(tmp); - case 6: - StoreBitsPlain(-6,tmp); Step(tmp); - case 5: - StoreBitsPlain(-5,tmp); Step(tmp); - case 4: - StoreBitsPlain(-4,tmp); Step(tmp); - case 3: - StoreBitsPlain(-3,tmp); Step(tmp); - case 2: - StoreBitsPlain(-2,tmp); Step(tmp); - case 1: - StoreBitsPlain(-1,tmp); Step(tmp); - } - if (endmask) - *pdst = (*pdst & ~endmask) | (GetPixelGroup(tmp) & endmask); - } - } - } - else /* cfb8StippleRRop != GXcopy */ - { - while (height--) - { /* one iteration of this loop copies one row */ - psrc = psrcLine; - pdst = pdstLine; - psrcLine += widthSrc; - pdstLine += widthDst; - bits = *psrc++; - - /* do partial word on left edge */ - - if (startmask) - { - if (firstoff < 0) - tmp = BitRight (bits, -firstoff); - else - { - tmp = BitLeft (bits, firstoff); - if (firstoff >= (MFB_PPW-PPW)) - { - bits = *psrc++; - if (firstoff != (MFB_PPW-PPW)) - tmp |= BitRight (bits, secondoff); - } - } - src = GetBitGroup(tmp); - *pdst = MaskRRopPixels (*pdst, src, startmask); - pdst++; - } - - /* do middle of row */ - - nl = nlMiddle; - while (nl >= 8) - { - nl -= 8; - tmp = BitLeft(bits, leftShift); - bits = *psrc++; - if (rightShift != MFB_PPW) - tmp |= BitRight(bits, rightShift); - StoreRopBits0(tmp); FirstStep(tmp); - StoreRopBits(1,tmp); Step(tmp); - StoreRopBits(2,tmp); Step(tmp); - StoreRopBits(3,tmp); Step(tmp); - StoreRopBits(4,tmp); Step(tmp); - StoreRopBits(5,tmp); Step(tmp); - StoreRopBits(6,tmp); Step(tmp); - StoreRopBits(7,tmp); EndStep(pdst,8); - } - - /* do rest of middle and partial word on right edge */ - - if (pixelsRemainingOnRightEdge) - { - tmp = BitLeft(bits, leftShift); - - if (pixelsRemainingOnRightEdge > rightShift) - { - bits = *psrc++; /* XXX purify abr here */ - tmp |= BitRight (bits, rightShift); - } - while (nl--) - { - src = GetBitGroup (tmp); - *pdst = RRopPixels (*pdst, src); - pdst++; - NextBitGroup(tmp); - } - if (endmask) - { - src = GetBitGroup (tmp); - *pdst = MaskRRopPixels (*pdst, src, endmask); - } - } - } /* end copy one row */ - } /* end alu is non-copy-mode case */ - } /* end iteration over region boxes */ -} - -#else /* PSZ == 8 */ - -#define mfbmaskbits(x, w, startmask, endmask, nlw) \ - startmask = mfbGetstarttab((x)&0x1f); \ - endmask = mfbGetendtab(((x)+(w)) & 0x1f); \ - if (startmask) \ - nlw = (((w) - (32 - ((x)&0x1f))) >> 5); \ - else \ - nlw = (w) >> 5; - -#define mfbmaskpartialbits(x, w, mask) \ - mask = mfbGetpartmasks((x)&0x1f,(w)&0x1f); - -#define LeftMost 0 -#define StepBit(bit, inc) ((bit) += (inc)) - - -#define GetBits(psrc, nBits, curBit, bitPos, bits) {\ - bits = 0; \ - while (nBits--) \ - { \ - bits |= ((*psrc++ >> bitPos) & 1) << curBit; \ - StepBit (curBit, 1); \ - } \ -} - -/******************************************************************/ - -static void -#if PSZ == 16 -cfbCopyPlane1to16 -#endif -#if PSZ == 24 -cfbCopyPlane1to24 -#endif -#if PSZ == 32 -cfbCopyPlane1to32 -#endif -( - DrawablePtr pSrcDrawable, - DrawablePtr pDstDrawable, - int rop, - RegionPtr prgnDst, - DDXPointPtr pptSrc, - unsigned long planemask) -{ - int srcx, srcy, dstx, dsty; - int width, height; - int xoffSrc; - CfbBits *psrcBase, *pdstBase; - int widthSrc, widthDst; - unsigned int *psrcLine; - register unsigned int *psrc; -#if PSZ == 16 - unsigned short *pdstLine; - register unsigned short *pdst; -#endif -#if PSZ == 32 - unsigned int *pdstLine; - register unsigned int *pdst; -#endif -#if PSZ == 24 - unsigned char *pdstLine; - register unsigned char *pdst; -#endif - register unsigned int bits, tmp; - register unsigned int fgpixel, bgpixel; - register unsigned int src; -#if PSZ == 24 - register unsigned int dst; -#endif - register int leftShift, rightShift; - register int i, nl; - int nbox; - BoxPtr pbox; - int result; - -#if PSZ == 16 - unsigned int doublet[4]; /* Pixel values for 16bpp expansion. */ -#endif -#if PSZ == 32 - unsigned int doublet[8]; /* Pixel values for 32bpp expansion */ -#endif - - fgpixel = FgPixel & planemask; - bgpixel = BgPixel & planemask; - -#if PSZ == 16 - if (rop == GXcopy && (planemask & PMSK) == PMSK) { - doublet[0] = bgpixel | (bgpixel << 16); - doublet[1] = fgpixel | (bgpixel << 16); - doublet[2] = bgpixel | (fgpixel << 16); - doublet[3] = fgpixel | (fgpixel << 16); - } -#endif -#if PSZ == 32 - if (rop == GXcopy && (planemask & PMSK) == PMSK) { - doublet[0] = bgpixel; doublet[1] = bgpixel; - doublet[2] = fgpixel; doublet[3] = bgpixel; - doublet[4] = bgpixel; doublet[5] = fgpixel; - doublet[6] = fgpixel; doublet[7] = fgpixel; - } -#endif - - /* must explicitly ask for "int" widths, as code below expects it */ - /* on some machines (Alpha), "long" and "int" are not the same size */ - cfbGetTypedWidthAndPointer (pSrcDrawable, widthSrc, psrcBase, int, CfbBits) - cfbGetTypedWidthAndPointer (pDstDrawable, widthDst, pdstBase, int, CfbBits) - -#if PSZ == 16 - widthDst <<= 1; -#endif -#if PSZ == 24 - widthDst <<= 2; -#endif - - nbox = REGION_NUM_RECTS(prgnDst); - pbox = REGION_RECTS(prgnDst); - - while (nbox--) - { - dstx = pbox->x1; - dsty = pbox->y1; - srcx = pptSrc->x; - srcy = pptSrc->y; - width = pbox->x2 - pbox->x1; - height = pbox->y2 - pbox->y1; - pbox++; - pptSrc++; - psrcLine = (unsigned int *)psrcBase + srcy * widthSrc + (srcx >> 5); -#if PSZ == 16 - pdstLine = (unsigned short *)pdstBase + dsty * widthDst + dstx; -#endif -#if PSZ == 24 - pdstLine = (unsigned char *)pdstBase + dsty * widthDst + dstx * 3; -#endif -#if PSZ == 32 - pdstLine = (unsigned int *)pdstBase + dsty * widthDst + dstx; -#endif - xoffSrc = srcx & 0x1f; - - /* - * compute constants for the first four bits to be - * copied. This avoids troubles with partial first - * writes, and difficult shift computation - */ - leftShift = xoffSrc; - rightShift = 32 - leftShift; - - if (rop == GXcopy && (planemask & PMSK) == PMSK) - { - while (height--) - { - psrc = psrcLine; - pdst = pdstLine; - psrcLine += widthSrc; - pdstLine += widthDst; - bits = *psrc++; - nl = width; - while (nl >= 32) - { - tmp = BitLeft(bits, leftShift); - bits = *psrc++; - if (rightShift != 32) - tmp |= BitRight(bits, rightShift); - i = 0; -#if PSZ == 16 - /* - * I've thrown in some optimization to at least write - * some aligned 32-bit words instead of 16-bit shorts. - */ - if ((unsigned long)psrc & 2) { - /* Write unaligned 16-bit word at left edge. */ - if (tmp & 0x01) - *pdst = fgpixel; - else - *pdst = bgpixel; - pdst++; - i++; - } - while (i <= 24) - { - unsigned tmpbits = tmp >> i; - *(unsigned int *)pdst = doublet[tmpbits & 0x03]; - *(unsigned int *)(pdst + 2) = - doublet[(tmpbits >> 2) & 0x03]; - *(unsigned int *)(pdst + 4) = - doublet[(tmpbits >> 4) & 0x03]; - *(unsigned int *)(pdst + 6) = - doublet[(tmpbits >> 6) & 0x03]; - pdst += 8; /* Advance four 32-bit words. */ - i += 8; - } - while (i <= 30) - { - *(unsigned int *)pdst = - doublet[(tmp >> i) & 0x03]; - pdst += 2; /* Advance one 32-bit word. */ - i += 2; - } - if (i == 31) { - if ((tmp >> 31) & 0x01) - *pdst = fgpixel; - else - *pdst = bgpixel; - pdst++; - } -#endif -#if PSZ == 24 - while (i < 32) { - if ((tmp >> i) & 0x01) { - *pdst = fgpixel; - *(pdst + 1) = fgpixel >> 8; - *(pdst + 2) = fgpixel >> 16; - } - else { - *pdst = bgpixel; - *(pdst + 1) = bgpixel >> 8; - *(pdst + 2) = bgpixel >> 16; - } - pdst += 3; - i++; - } -#endif -#if PSZ == 32 - while (i <= 28) { - int pair; - pair = (tmp >> i) & 0x03; - *pdst = doublet[pair * 2]; - *(pdst + 1) = doublet[pair * 2 + 1]; - pair = (tmp >> (i + 2)) & 0x03; - *(pdst + 2) = doublet[pair * 2]; - *(pdst + 3) = doublet[pair * 2 + 1]; - pdst += 4; - i += 4; - } - while (i < 32) { - *pdst = ((tmp >> i) & 0x01) ? fgpixel : bgpixel; - pdst++; - i++; - } -#endif - nl -= 32; - } - - if (nl) - { - tmp = BitLeft(bits, leftShift); - /* - * better condition needed -- mustn't run - * off the end of the source... - */ - if (rightShift != 32) - { - bits = *psrc++; - tmp |= BitRight (bits, rightShift); - } - i = 32; - while (nl--) - { - --i; -#if PSZ == 24 - if ((tmp >> (31 - i)) & 0x01) { - *pdst = fgpixel; - *(pdst + 1) = fgpixel >> 8; - *(pdst + 2) = fgpixel >> 16; - } - else { - *pdst = bgpixel; - *(pdst + 1) = bgpixel >> 8; - *(pdst + 2) = bgpixel >> 16; - } - pdst += 3; -#else - *pdst = ((tmp >> (31 - i)) & 0x01) ? fgpixel : bgpixel; - pdst++; -#endif - } - } - } - } - else - { - while (height--) - { - psrc = psrcLine; - pdst = pdstLine; - psrcLine += widthSrc; - pdstLine += widthDst; - bits = *psrc++; - nl = width; - while (nl >= 32) - { - tmp = BitLeft(bits, leftShift); - bits = *psrc++; - if (rightShift != 32) - tmp |= BitRight(bits, rightShift); - i = 32; - while (i--) - { - src = ((tmp >> (31 - i)) & 0x01) ? fgpixel : bgpixel; -#if PSZ == 24 - dst = *pdst; - dst |= (*(pdst + 1)) << 8; - dst |= (*(pdst + 2)) << 16; - DoRop (result, rop, src, dst); - *pdst = (dst & ~planemask) | - (result & planemask); - *(pdst+1) = ((dst & ~planemask) >> 8) | - ((result & planemask) >> 8); - *(pdst+2) = ((dst & ~planemask) >> 16) | - ((result & planemask) >> 16); - pdst += 3; -#else - DoRop (result, rop, src, *pdst); - - *pdst = (*pdst & ~planemask) | - (result & planemask); - pdst++; -#endif - } - nl -= 32; - } - - if (nl) - { - tmp = BitLeft(bits, leftShift); - /* - * better condition needed -- mustn't run - * off the end of the source... - */ - if (rightShift != 32) - { - bits = *psrc++; - tmp |= BitRight (bits, rightShift); - } - i = 32; - while (nl--) - { - --i; - src = ((tmp >> (31 - i)) & 0x01) ? fgpixel : bgpixel; -#if PSZ == 24 - dst = *pdst; - dst |= (*(pdst + 1)) << 8; - dst |= (*(pdst + 2)) << 16; - DoRop (result, rop, src, dst); - *pdst = (dst & ~planemask) | - (result & planemask); - *(pdst+1) = ((dst & ~planemask) >> 8) | - ((result & planemask) >> 8); - *(pdst+2) = ((dst & ~planemask) >> 16) | - ((result & planemask) >> 16); - pdst += 3; -#else - DoRop (result, rop, src, *pdst); - - *pdst = (*pdst & ~planemask) | - (result & planemask); - pdst++; -#endif - } - } - } - } - } -} - -#endif /* PSZ == 8 */ - -/* shared among all different cfb depths through linker magic */ - -RegionPtr cfbCopyPlane(pSrcDrawable, pDstDrawable, - pGC, srcx, srcy, width, height, dstx, dsty, bitPlane) - DrawablePtr pSrcDrawable; - DrawablePtr pDstDrawable; - GCPtr pGC; - int srcx, srcy; - int width, height; - int dstx, dsty; - unsigned long bitPlane; -{ - RegionPtr ret; - -#if IMAGE_BYTE_ORDER == LSBFirst - - void (*doCopyPlaneExpand)( - DrawablePtr /*pSrc*/, - DrawablePtr /*pDst*/, - int /*alu*/, - RegionPtr /*prgnDst*/, - DDXPointPtr /*pptSrc*/, - unsigned long /*planemask*/); - - if (pSrcDrawable->bitsPerPixel == 1 && pDstDrawable->bitsPerPixel == PSZ) - { - if (bitPlane == 1) - { - doCopyPlaneExpand = cfbCopyPlane1toN; -#if PSZ == 8 - cfb8CheckOpaqueStipple (pGC->alu, - pGC->fgPixel, pGC->bgPixel, - pGC->planemask); -#else - FgPixel = pGC->fgPixel; - BgPixel = pGC->bgPixel; -#endif - ret = cfbCopyPlaneExpand (pSrcDrawable, pDstDrawable, - pGC, srcx, srcy, width, height, dstx, dsty, doCopyPlaneExpand, bitPlane); - } - else - ret = miHandleExposures (pSrcDrawable, pDstDrawable, - pGC, srcx, srcy, width, height, dstx, dsty, bitPlane); - } - else if (pSrcDrawable->bitsPerPixel == PSZ && pDstDrawable->bitsPerPixel == 1) - { - int oldalu; - - oldalu = pGC->alu; - if ((pGC->fgPixel & 1) == 0 && (pGC->bgPixel&1) == 1) - pGC->alu = mfbGetInverseAlu(pGC->alu); - else if ((pGC->fgPixel & 1) == (pGC->bgPixel & 1)) - pGC->alu = mfbReduceRop(pGC->alu, pGC->fgPixel); - ret = cfbCopyPlaneReduce(pSrcDrawable, pDstDrawable, - pGC, srcx, srcy, width, height, dstx, dsty, - cfbCopyPlaneNto1, bitPlane); - pGC->alu = oldalu; - } - else if (pSrcDrawable->bitsPerPixel == PSZ && pDstDrawable->bitsPerPixel == PSZ) - { - PixmapPtr pBitmap; - ScreenPtr pScreen = pSrcDrawable->pScreen; - GCPtr pGC1; - - pBitmap = (*pScreen->CreatePixmap) (pScreen, width, height, 1); - if (!pBitmap) - return NULL; - pGC1 = GetScratchGC (1, pScreen); - if (!pGC1) - { - (*pScreen->DestroyPixmap) (pBitmap); - return NULL; - } - /* - * don't need to set pGC->fgPixel,bgPixel as copyPlaneNto1 - * ignores pixel values, expecting the rop to "do the - * right thing", which GXcopy will. - */ - ValidateGC ((DrawablePtr) pBitmap, pGC1); - /* no exposures here, scratch GC's don't get graphics expose */ - cfbCopyPlaneReduce(pSrcDrawable, (DrawablePtr) pBitmap, - pGC1, srcx, srcy, width, height, 0, 0, - cfbCopyPlaneNto1, bitPlane); -#if PSZ == 8 - cfb8CheckOpaqueStipple (pGC->alu, - pGC->fgPixel, pGC->bgPixel, - pGC->planemask); -#else - FgPixel = pGC->fgPixel; - BgPixel = pGC->bgPixel; -#endif - /* no exposures here, copy bits from inside a pixmap */ - cfbCopyPlaneExpand((DrawablePtr) pBitmap, pDstDrawable, pGC, - 0, 0, width, height, dstx, dsty, cfbCopyPlane1toN, 1); - FreeScratchGC (pGC1); - (*pScreen->DestroyPixmap) (pBitmap); - /* compute resultant exposures */ - ret = miHandleExposures (pSrcDrawable, pDstDrawable, pGC, - srcx, srcy, width, height, - dstx, dsty, bitPlane); - } - else -#endif - ret = miCopyPlane (pSrcDrawable, pDstDrawable, - pGC, srcx, srcy, width, height, dstx, dsty, bitPlane); - return ret; -} - - |