/* $XFree86: xc/programs/Xserver/hw/xfree86/accel/ibm8514/blt.c,v 3.3 1996/12/23 06:37:40 dawes Exp $ */ /* Copyright (c) 1989 X Consortium Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 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 X CONSORTIUM 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 X Consortium 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 X Consortium. Author: Keith Packard Modified for the 8514/A by Kevin E. Martin (martin@cs.unc.edu) KEVIN E. MARTIN AND TIAGO GONS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL KEVIN E. MARTIN OR TIAGO GONS 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. Modified by Tiago Gons (tiago@comosjn.hobby.nl) */ /* $XConsortium: blt.c /main/5 1996/02/21 17:23:50 kaleb $ */ #include "X.h" #include "Xmd.h" #include "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" #include "reg8514.h" #include "ibm8514.h" extern RegionPtr cfbBitBlt(); RegionPtr ibm8514CopyArea(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; { RegionPtr prgnSrcClip; /* may be a new region, or just a copy */ Bool freeSrcClip = FALSE; RegionPtr prgnExposed; RegionRec rgnDst; 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 */ /* 4-5-93 TCG : is VT visible */ if (!xf86VTSema || ((pSrcDrawable->type != DRAWABLE_WINDOW) && (pDstDrawable->type != DRAWABLE_WINDOW))) { return cfbCopyArea(pSrcDrawable, pDstDrawable, pGC, srcx, srcy, width, height, dstx, dsty); } 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 = ((cfbPrivGC *)(pGC->devPrivates[cfbGCPrivateIndex].ptr))->pCompositeClip; } else { fastClip = 1; } } else { if (pGC->subWindowMode == IncludeInferiors) { if (!((WindowPtr) pSrcDrawable)->parent) { /* * 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 = ((cfbPrivGC *)(pGC->devPrivates[cfbGCPrivateIndex].ptr))->pCompositeClip; } 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 { (*pGC->pScreen->RegionInit)(&rgnDst, &fastBox, 1); (*pGC->pScreen->Intersect)(&rgnDst, &rgnDst, prgnSrcClip); } dstx += pDstDrawable->x; dsty += pDstDrawable->y; if (pDstDrawable->type == DRAWABLE_WINDOW) { if (!((WindowPtr)pDstDrawable)->realized) { if (!fastClip) (*pGC->pScreen->RegionUninit)(&rgnDst); if (freeSrcClip) (*pGC->pScreen->RegionDestroy)(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 = ((cfbPrivGC *)(pGC->devPrivates[cfbGCPrivateIndex].ptr))->pCompositeClip; 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) (*pGC->pScreen->RegionInit)(&rgnDst, NullBox, 0); else (*pGC->pScreen->RegionInit)(&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; (*pGC->pScreen->RegionInit)(&rgnDst, &fastBox,1); } } else { (*pGC->pScreen->TranslateRegion)(&rgnDst, -dx, -dy); } if (!fastClip) { (*pGC->pScreen->Intersect)(&rgnDst, &rgnDst, ((cfbPrivGC *)(pGC->devPrivates[cfbGCPrivateIndex].ptr))->pCompositeClip); } /* Do bit blitting */ numRects = REGION_NUM_RECTS(&rgnDst); if (numRects && width && height) { pbox = REGION_RECTS(&rgnDst); if (pSrcDrawable->type == DRAWABLE_WINDOW && pDstDrawable->type == DRAWABLE_WINDOW) { /* Window --> Window */ unsigned int *ordering; BoxPtr prect; short direction = 0; ordering = (unsigned int *) ALLOCATE_LOCAL(numRects * sizeof(unsigned int)); if(!ordering) { DEALLOCATE_LOCAL(ordering); return (RegionPtr)NULL; } ibm8514FindOrdering(pSrcDrawable, pDstDrawable, pGC, numRects, pbox, srcx, srcy, dstx, dsty, ordering); if (dx > 0) direction |= INC_X; if (dy > 0) direction |= INC_Y; WaitQueue(3); outw(FRGD_MIX, FSS_BITBLT | ibm8514alu[pGC->alu]); outw(BKGD_MIX, BSS_BKGDCOL | MIX_SRC); outw(WRT_MASK, pGC->planemask); if (direction == (INC_X | INC_Y)) { for (i = 0; i < numRects; i++) { prect = &pbox[ordering[i]]; WaitQueue(7); outw(CUR_X, (short)(prect->x1 + dx)); outw(CUR_Y, (short)(prect->y1 + dy)); outw(DESTX_DIASTP, (short)(prect->x1)); outw(DESTY_AXSTP, (short)(prect->y1)); outw(MAJ_AXIS_PCNT, (short)(prect->x2 - prect->x1 - 1)); outw(MULTIFUNC_CNTL, MIN_AXIS_PCNT | (short)(prect->y2 - prect->y1 - 1)); outw(CMD, CMD_BITBLT | direction | DRAW | PLANAR | WRTDATA); } } else if (direction == INC_X) { for (i = 0; i < numRects; i++) { prect = &pbox[ordering[i]]; WaitQueue(7); outw(CUR_X, (short)(prect->x1 + dx)); outw(CUR_Y, (short)(prect->y2 + dy - 1)); outw(DESTX_DIASTP, (short)(prect->x1)); outw(DESTY_AXSTP, (short)(prect->y2 - 1)); outw(MAJ_AXIS_PCNT, (short)(prect->x2 - prect->x1 - 1)); outw(MULTIFUNC_CNTL, MIN_AXIS_PCNT | (short)(prect->y2 - prect->y1 - 1)); outw(CMD, CMD_BITBLT | direction | DRAW | PLANAR | WRTDATA); } } else if (direction == INC_Y) { for (i = 0; i < numRects; i++) { prect = &pbox[ordering[i]]; WaitQueue(7); outw(CUR_X, (short)(prect->x2 + dx - 1)); outw(CUR_Y, (short)(prect->y1 + dy)); outw(DESTX_DIASTP, (short)(prect->x2 - 1)); outw(DESTY_AXSTP, (short)(prect->y1)); outw(MAJ_AXIS_PCNT, (short)(prect->x2 - prect->x1 - 1)); outw(MULTIFUNC_CNTL, MIN_AXIS_PCNT | (short)(prect->y2 - prect->y1 - 1)); outw(CMD, CMD_BITBLT | direction | DRAW | PLANAR | WRTDATA); } } else { for (i = 0; i < numRects; i++) { prect = &pbox[ordering[i]]; WaitQueue(7); outw(CUR_X, (short)(prect->x2 + dx - 1)); outw(CUR_Y, (short)(prect->y2 + dy - 1)); outw(DESTX_DIASTP, (short)(prect->x2 - 1)); outw(DESTY_AXSTP, (short)(prect->y2 - 1)); outw(MAJ_AXIS_PCNT, (short)(prect->x2 - prect->x1 - 1)); outw(MULTIFUNC_CNTL, MIN_AXIS_PCNT | (short)(prect->y2 - prect->y1 - 1)); outw(CMD, CMD_BITBLT | direction | DRAW | PLANAR | WRTDATA); } } DEALLOCATE_LOCAL(ordering); WaitQueue(3); outw(FRGD_MIX, FSS_FRGDCOL | MIX_SRC); outw(BKGD_MIX, BSS_BKGDCOL | MIX_SRC); outw(WRT_MASK, 0xffff); } else if (pSrcDrawable->type == DRAWABLE_WINDOW && pDstDrawable->type != DRAWABLE_WINDOW) { /* Window --> Pixmap */ int pixWidth = PixmapBytePad(pDstDrawable->width, pDstDrawable->depth); char *pdst = ((PixmapPtr)pDstDrawable)->devPrivate.ptr; for (i = numRects; --i >= 0; pbox++) ibm8514ImageRead(pbox->x1 + dx, pbox->y1 + dy, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, pdst, pixWidth, pbox->x1, pbox->y1, 0xff); } else if (pSrcDrawable->type != DRAWABLE_WINDOW && pDstDrawable->type == DRAWABLE_WINDOW) { /* Pixmap --> Window */ int pixWidth = PixmapBytePad(pSrcDrawable->width, pSrcDrawable->depth); char *psrc = ((PixmapPtr)pSrcDrawable)->devPrivate.ptr; for (i = numRects; --i >= 0; pbox++) ibm8514ImageWrite(pbox->x1, pbox->y1, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, psrc, pixWidth, pbox->x1 + dx, pbox->y1 + dy, ibm8514alu[pGC->alu], pGC->planemask); } else { /* Pixmap --> Pixmap */ ErrorF("ibm8514CopyArea: Tried to do a Pixmap to Pixmap copy\n"); } /* (*localDoBitBlt) (pSrcDrawable, pDstDrawable, pGC->alu, &rgnDst, pptSrc, pGC->planemask); */ } prgnExposed = NULL; if (((cfbPrivGC *)(pGC->devPrivates[cfbGCPrivateIndex].ptr))->fExpose) { extern RegionPtr miHandleExposures(); /* 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, 0); } (*pGC->pScreen->RegionUninit)(&rgnDst); if (freeSrcClip) (*pGC->pScreen->RegionDestroy)(prgnSrcClip); return prgnExposed; } void ibm8514FindOrdering(pSrcDrawable, pDstDrawable, pGC, numRects, boxes, srcx, srcy, dstx, dsty, ordering) DrawablePtr pSrcDrawable; DrawablePtr pDstDrawable; GC *pGC; int numRects; BoxPtr boxes; int srcx; int srcy; int dstx; int dsty; unsigned int *ordering; { int i, j, y; int xMax, yMin, yMax; /* If not the same drawable then order of move doesn't matter. Following assumes that boxes are sorted from top to bottom and left to right. */ if ((pSrcDrawable != pDstDrawable) && ((pGC->subWindowMode != IncludeInferiors) || (pSrcDrawable->type == DRAWABLE_PIXMAP) || (pDstDrawable->type == DRAWABLE_PIXMAP))) { for (i=0; i < numRects; i++) ordering[i] = i; } else { /* within same drawable, must sequence moves carefully! */ if (dsty <= srcy) { /* Scroll up or stationary vertical. Vertical order OK */ if (dstx <= srcx) { /* Scroll left or stationary horizontal. Horizontal order OK as well */ for (i=0; i < numRects; i++) ordering[i] = i; } else { /* scroll right. must reverse horizontal banding of rects. */ for (i=0, j=1, xMax=0; i < numRects; j=i+1, xMax=i) { /* find extent of current horizontal band */ y=boxes[i].y1; /* band has this y coordinate */ while ((j < numRects) && (boxes[j].y1 == y)) j++; /* reverse the horizontal band in the output ordering */ for (j-- ; j >= xMax; j--, i++) ordering[i] = j; } } } else { /* Scroll down. Must reverse vertical banding. */ if (dstx < srcx) { /* Scroll left. Horizontal order OK. */ for (i=numRects-1, j=i-1, yMin=i, yMax=0; i >= 0; j=i-1, yMin=i) { /* find extent of current horizontal band */ y=boxes[i].y1; /* band has this y coordinate */ while ((j >= 0) && (boxes[j].y1 == y)) j--; /* reverse the horizontal band in the output ordering */ for (j++ ; j <= yMin; j++, i--, yMax++) ordering[yMax] = j; } } else { /* Scroll right or horizontal stationary. Reverse horizontal order as well (if stationary, horizontal order can be swapped without penalty and this is faster to compute). */ for (i=0, j=numRects-1; i < numRects; i++, j--) ordering[i] = j; } } } } RegionPtr ibm8514CopyPlane(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; { PixmapPtr pBitmap = NULL; RegionPtr prgnSrcClip; /* may be a new region, or just a copy */ Bool freeSrcClip = FALSE; RegionPtr prgnExposed; RegionRec rgnDst; 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 */ if (!xf86VTSema || ((pSrcDrawable->type != DRAWABLE_WINDOW) && (pDstDrawable->type != DRAWABLE_WINDOW))) { return cfbCopyPlane(pSrcDrawable, pDstDrawable, pGC, srcx, srcy, width, height, dstx, dsty, bitPlane); } if ((pSrcDrawable->type != DRAWABLE_WINDOW) && (pDstDrawable->type == DRAWABLE_WINDOW) && (pSrcDrawable->bitsPerPixel == 8)) { /* * Shortcut - we can do Pixmap->Window when the source depth is * 8 by using the handy-dandy cfbCopyPlane8to1 to create a bitmap * for us to use. */ GCPtr pGC1; pBitmap=(*pSrcDrawable->pScreen->CreatePixmap)(pSrcDrawable->pScreen, pSrcDrawable->width, pSrcDrawable->height, 1); if (!pBitmap) return(NULL); pGC1 = GetScratchGC(1, pSrcDrawable->pScreen); if (!pGC1) { (*pSrcDrawable->pScreen->DestroyPixmap)(pBitmap); return(NULL); } ValidateGC((DrawablePtr)pBitmap, pGC1); (void) cfbBitBlt(pSrcDrawable, (DrawablePtr)pBitmap, pGC1, srcx, srcy, width, height, srcx, srcy, cfbCopyPlane8to1, bitPlane); FreeScratchGC(pGC1); pSrcDrawable = (DrawablePtr)pBitmap; } else if ((pSrcDrawable->type == DRAWABLE_WINDOW) && (pDstDrawable->type != DRAWABLE_WINDOW)) { /* * Shortcut - we can do Window->Pixmap by copying the window to * a pixmap, then we have a Pixmap->Pixmap operation */ GCPtr pGC1; RegionPtr retval; PixmapPtr pPixmap; pPixmap=(*pSrcDrawable->pScreen->CreatePixmap)(pSrcDrawable->pScreen, width, height, 8); if (!pPixmap) return(NULL); pGC1 = GetScratchGC(8, pSrcDrawable->pScreen); if (!pGC1) { (*pSrcDrawable->pScreen->DestroyPixmap)(pPixmap); return(NULL); } ValidateGC((DrawablePtr)pPixmap, pGC1); ibm8514CopyArea(pSrcDrawable, (DrawablePtr)pPixmap, pGC1, srcx, srcy, width, height, 0, 0); retval = cfbCopyPlane((DrawablePtr)pPixmap, pDstDrawable, pGC, 0, 0, width, height, dstx, dsty, bitPlane); FreeScratchGC(pGC1); (*pSrcDrawable->pScreen->DestroyPixmap)(pPixmap); return(retval); } else if (((pSrcDrawable->type == DRAWABLE_WINDOW) && (pDstDrawable->type != DRAWABLE_WINDOW)) || ((pSrcDrawable->type != DRAWABLE_WINDOW) && (pDstDrawable->type == DRAWABLE_WINDOW) && (pSrcDrawable->bitsPerPixel != 1))) { /* * Cases we can't handle, and must do another way: * - copy Window->Pixmap * - copy Pixmap->Window, Pixmap depth != 1 * * Simplest thing to do is to let miCopyPlane deal with it for us. */ return miCopyPlane(pSrcDrawable, pDstDrawable, pGC, srcx, srcy, width, height, dstx, dsty, bitPlane); } 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 = ((cfbPrivGC *) (pGC->devPrivates[cfbGCPrivateIndex].ptr)) ->pCompositeClip; } else { fastClip = 1; } } else { if (pGC->subWindowMode == IncludeInferiors) { if (!((WindowPtr) pSrcDrawable)->parent) { /* * 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 = ((cfbPrivGC *) (pGC->devPrivates[cfbGCPrivateIndex].ptr))->pCompositeClip; } 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 { (*pGC->pScreen->RegionInit) (&rgnDst, &fastBox, 1); (*pGC->pScreen->Intersect) (&rgnDst, &rgnDst, prgnSrcClip); } dstx += pDstDrawable->x; dsty += pDstDrawable->y; if (pDstDrawable->type == DRAWABLE_WINDOW) { if (!((WindowPtr) pDstDrawable)->realized) { if (!fastClip) (*pGC->pScreen->RegionUninit) (&rgnDst); if (freeSrcClip) (*pGC->pScreen->RegionDestroy) (prgnSrcClip); if (pBitmap) (*pSrcDrawable->pScreen->DestroyPixmap)(pBitmap); 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 */ cclip = ((cfbPrivGC *) (pGC->devPrivates[cfbGCPrivateIndex].ptr))->pCompositeClip; 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) (*pGC->pScreen->RegionInit) (&rgnDst, NullBox, 0); else (*pGC->pScreen->RegionInit) (&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; (*pGC->pScreen->RegionInit) (&rgnDst, &fastBox, 1); } } else { (*pGC->pScreen->TranslateRegion) (&rgnDst, -dx, -dy); } if (!fastClip) { (*pGC->pScreen->Intersect) (&rgnDst, &rgnDst, ((cfbPrivGC *) (pGC->devPrivates[cfbGCPrivateIndex].ptr))->pCompositeClip); } /* Do bit blitting */ numRects = REGION_NUM_RECTS(&rgnDst); if (numRects && width && height) { pbox = REGION_RECTS(&rgnDst); if (pSrcDrawable->type == DRAWABLE_WINDOW && pDstDrawable->type == DRAWABLE_WINDOW) { /* Window --> Window */ unsigned int *ordering; BoxPtr prect; short direction = 0; ordering = (unsigned int *)ALLOCATE_LOCAL(numRects * sizeof(unsigned int)); if (!ordering) { DEALLOCATE_LOCAL(ordering); return (RegionPtr) NULL; } ibm8514FindOrdering(pSrcDrawable, pDstDrawable, pGC, numRects, pbox, srcx, srcy, dstx, dsty, ordering); if (dx > 0) direction |= INC_X; if (dy > 0) direction |= INC_Y; WaitQueue(6); outw(FRGD_MIX, FSS_FRGDCOL | ibm8514alu[pGC->alu]); outw(RD_MASK, (unsigned short) (((bitPlane & 0x7f) << 1) | ((bitPlane & 0x80) >> 7))); outw(WRT_MASK, pGC->planemask); outw(FRGD_COLOR, (short)pGC->fgPixel); outw(BKGD_COLOR, (short)pGC->bgPixel); outw(MULTIFUNC_CNTL, PIX_CNTL | MIXSEL_EXPBLT); if (direction == (INC_X | INC_Y)) { for (i = 0; i < numRects; i++) { prect = &pbox[ordering[i]]; WaitQueue(7); outw(CUR_X, (short)(prect->x1 + dx)); outw(CUR_Y, (short)(prect->y1 + dy)); outw(DESTX_DIASTP, (short)(prect->x1)); outw(DESTY_AXSTP, (short)(prect->y1)); outw(MAJ_AXIS_PCNT, (short)(prect->x2 - prect->x1 - 1)); outw(MULTIFUNC_CNTL, MIN_AXIS_PCNT | (short)(prect->y2 - prect->y1 - 1)); outw(CMD, CMD_BITBLT | direction | DRAW | PLANAR | WRTDATA); } } else if (direction == INC_X) { for (i = 0; i < numRects; i++) { prect = &pbox[ordering[i]]; WaitQueue(7); outw(CUR_X, (short)(prect->x1 + dx)); outw(CUR_Y, (short)(prect->y2 + dy - 1)); outw(DESTX_DIASTP, (short)(prect->x1)); outw(DESTY_AXSTP, (short)(prect->y2 - 1)); outw(MAJ_AXIS_PCNT, (short)(prect->x2 - prect->x1 - 1)); outw(MULTIFUNC_CNTL, MIN_AXIS_PCNT | (short)(prect->y2 - prect->y1 - 1)); outw(CMD, CMD_BITBLT | direction | DRAW | PLANAR | WRTDATA); } } else if (direction == INC_Y) { for (i = 0; i < numRects; i++) { prect = &pbox[ordering[i]]; WaitQueue(7); outw(CUR_X, (short)(prect->x2 + dx - 1)); outw(CUR_Y, (short)(prect->y1 + dy)); outw(DESTX_DIASTP, (short)(prect->x2 - 1)); outw(DESTY_AXSTP, (short)(prect->y1)); outw(MAJ_AXIS_PCNT, (short)(prect->x2 - prect->x1 - 1)); outw(MULTIFUNC_CNTL, MIN_AXIS_PCNT | (short)(prect->y2 - prect->y1 - 1)); outw(CMD, CMD_BITBLT | direction | DRAW | PLANAR | WRTDATA); } } else { for (i = 0; i < numRects; i++) { prect = &pbox[ordering[i]]; WaitQueue(7); outw(CUR_X, (short)(prect->x2 + dx - 1)); outw(CUR_Y, (short)(prect->y2 + dy - 1)); outw(DESTX_DIASTP, (short)(prect->x2 - 1)); outw(DESTY_AXSTP, (short)(prect->y2 - 1)); outw(MAJ_AXIS_PCNT, (short)(prect->x2 - prect->x1 - 1)); outw(MULTIFUNC_CNTL, MIN_AXIS_PCNT | (short)(prect->y2 - prect->y1 - 1)); outw(CMD, CMD_BITBLT | direction | DRAW | PLANAR | WRTDATA); } } DEALLOCATE_LOCAL(ordering); WaitQueue(4); outw(FRGD_MIX, FSS_FRGDCOL | MIX_SRC); outw(RD_MASK, 0xffff); outw(WRT_MASK, 0xffff); outw(MULTIFUNC_CNTL, PIX_CNTL | MIXSEL_FRGDMIX | COLCMPOP_F); } else if (pSrcDrawable->type == DRAWABLE_WINDOW && pDstDrawable->type != DRAWABLE_WINDOW) { /* Window --> Pixmap */ /* THIS IS NOT IMPLEMENTED - IT GETS PASSED TO miCopyPlane ABOVE */ } else if (pSrcDrawable->type != DRAWABLE_WINDOW && pDstDrawable->type == DRAWABLE_WINDOW) { /* Pixmap --> Window */ PixmapPtr pix = (PixmapPtr) pSrcDrawable; int pixWidth; char *psrc; pixWidth = PixmapBytePad(pSrcDrawable->width, pSrcDrawable->depth); psrc = pix->devPrivate.ptr; for (i = numRects; --i >= 0; pbox++) { ibm8514ImageStipple(pbox->x1, pbox->y1, pbox->x2 - pbox->x1, pbox->y2 - pbox->y1, psrc, pixWidth, pix->drawable.width, pix->drawable.height, -dx, -dy, pGC->fgPixel, pGC->bgPixel, ibm8514alu[pGC->alu], (short) pGC->planemask, 1); } } else { /* Pixmap --> Pixmap */ ErrorF("ibm8514CopyPlane: Tried to do a Pixmap to Pixmap copy\n"); } } prgnExposed = NULL; if (((cfbPrivGC *) (pGC->devPrivates[cfbGCPrivateIndex].ptr))->fExpose) { extern RegionPtr miHandleExposures(); /* 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, 0); } (*pGC->pScreen->RegionUninit) (&rgnDst); if (freeSrcClip) (*pGC->pScreen->RegionDestroy) (prgnSrcClip); if (pBitmap) (*pSrcDrawable->pScreen->DestroyPixmap)(pBitmap); return prgnExposed; }