/* $Xorg: mppaste.c,v 1.3 2000/08/17 19:47:53 cpqbld Exp $ */ /**** module mppaste.c ****/ /****************************************************************************** Copyright 1993, 1994, 1998 The Open Group All Rights Reserved. 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. NOTICE This software is being provided by AGE Logic, Inc. under the following license. By obtaining, using and/or copying this software, you agree that you have read, understood, and will comply with these terms and conditions: Permission to use, copy, modify, distribute and sell this software and its documentation for any purpose and without fee or royalty and to grant others any or all rights granted herein is hereby granted, provided that you agree to comply with the following copyright notice and statements, including the disclaimer, and that the same appears on all copies and derivative works of the software and documentation you make. "Copyright 1993, 1994 by AGE Logic, Inc." THIS SOFTWARE IS PROVIDED "AS IS". AGE LOGIC MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. By way of example, but not limitation, AGE LOGIC MAKE NO REPRESENTATIONS OR WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE SOFTWARE DOES NOT INFRINGE THIRD-PARTY PROPRIETARY RIGHTS. AGE LOGIC SHALL BEAR NO LIABILITY FOR ANY USE OF THIS SOFTWARE. IN NO EVENT SHALL EITHER PARTY BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOSS OF PROFITS, REVENUE, DATA OR USE, INCURRED BY EITHER PARTY OR ANY THIRD PARTY, WHETHER IN AN ACTION IN CONTRACT OR TORT OR BASED ON A WARRANTY, EVEN IF AGE LOGIC LICENSEES HEREUNDER HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. The name of AGE Logic, Inc. may not be used in advertising or publicity pertaining to this software without specific, written prior permission from AGE Logic. Title to this software shall at all times remain with AGE Logic, Inc. ***************************************************************************** mppaste.c -- DDXIE paste up element Dean Verheiden, Larry Hare && Robert NC Shelley -- AGE Logic, Inc. July, 1993 *****************************************************************************/ /* $XFree86: xc/programs/Xserver/XIE/mixie/process/mppaste.c,v 3.4 2001/01/17 22:13:12 dawes Exp $ */ #define _XIEC_MPPASTE #define _XIEC_PPASTE /* * Include files */ /* * Core X Includes */ #include #include /* * XIE Includes */ #include #include /* * more X server includes. */ #include #include /* * Server XIE Includes */ #include #include #include #include #include #include /* * routines referenced by other DDXIE modules */ int miAnalyzePasteUp(); /* * routines used internal to this module */ static int CreatePasteUp(); static int InitializePasteUp(); static int ActivatePasteUp(); static int ResetPasteUp(); static int DestroyPasteUp(); /* Fill functions */ static void FillReal(); static void FillQuad(); static void FillPair(); static void FillByte(); static void FillBit(); /* Action functions */ static void PasteReal(); static void PasteQuad(); static void PastePair(); static void PasteByte(); static void PasteBit(); /* * DDXIE Paste Up entry points */ static ddElemVecRec PasteUpVec = { CreatePasteUp, InitializePasteUp, ActivatePasteUp, (xieIntProc)NULL, ResetPasteUp, DestroyPasteUp }; /* * Local Declarations. */ typedef struct _pasterect { Bool active; /* indicates this src is not finished yet */ INT32 sxoff; /* src x offset */ INT32 dxoff; /* dst x offset */ INT32 dyoff; /* dst y offset */ CARD32 width; /* clipped width of src on output window */ CARD32 height; /* clipped height of src on output window */ CARD32 receptorIndex; } PasteRectRec, *PasteRectPtr; typedef struct _mppasteupdef { void (*fill)(); void (*action)(); INT32 nextline; CARD32 iconstant; CARD32 numRects; /* Number of interesting src for this band */ PasteRectPtr rects; } mpPasteUpPvtRec, *mpPasteUpPvtPtr; /*------------------------------------------------------------------------ ----------------------------- Analyze ------------------------------------ ------------------------------------------------------------------------*/ int miAnalyzePasteUp(flo,ped) floDefPtr flo; peDefPtr ped; { /* for now just stash our entry point vector in the peDef */ ped->ddVec = PasteUpVec; return(TRUE); } /* end miAnalyzePasteUp */ /*------------------------------------------------------------------------ ---------------------------- create peTex . . . -------------------------- ------------------------------------------------------------------------*/ static int CreatePasteUp(flo,ped) floDefPtr flo; peDefPtr ped; { int auxsize = xieValMaxBands * sizeof(mpPasteUpPvtRec); /* Force syncing between sources, but not bands */ return (MakePETex(flo, ped, auxsize, SYNC, NO_SYNC) ); } /* end CreatePasteUp */ /*------------------------------------------------------------------------ ---------------------------- initialize peTex . . . ---------------------- ------------------------------------------------------------------------*/ static int InitializePasteUp(flo,ped) floDefPtr flo; peDefPtr ped; { xieFloPasteUp *raw = (xieFloPasteUp *)ped->elemRaw; peTexPtr pet = ped->peTex; CARD32 nbands = pet->receptor[SRCt1].inFlo->bands; PasteUpFloat *fconst = ((pPasteUpDefPtr)ped->elemPvt)->constant; mpPasteUpPvtPtr pvt; xieTypTile *tp; bandPtr iband, oband; CARD32 b, t; if (!(InitReceptors(flo, ped, NO_DATAMAP, 1) && InitEmitter(flo, ped, NO_DATAMAP, NO_INPLACE))) return (FALSE); /* Figure out the appropriate action vector */ /* Use first source for the band types since they all must be the same */ iband = &(pet->receptor[SRCt1].band[0]); pvt = (mpPasteUpPvtPtr)pet->private; for(b = 0; b < nbands; b++, pvt++, iband++, fconst++) { /* Zero out "interesting" rectangle counters */ pvt->numRects = 0; pvt->nextline = pet->emitter[b].format->height - 1; /* Clip fill for constrained data */ if (IsConstrained(iband->format->class)) pvt->iconstant = ConstrainConst(*fconst,iband->format->levels); switch (iband->format->class) { case UNCONSTRAINED: pvt->fill = FillReal; pvt->action = PasteReal; break; case QUAD_PIXEL: pvt->fill = FillQuad; pvt->action = PasteQuad; break; case PAIR_PIXEL: pvt->fill = FillPair; pvt->action = PastePair; break; case BYTE_PIXEL: pvt->fill = FillByte; pvt->action = PasteByte; break; case BIT_PIXEL: pvt->fill = FillBit; pvt->action = PasteBit; break; default: ImplementationError(flo, ped, return(FALSE)); break; } } /* Disable completely clipped srcs, determine minimum y of non clipped src */ tp = (xieTypTile *)&(raw[1]); for (t = 0; t < raw->numTiles; t++, tp++) { iband = &(pet->receptor[t].band[0]); oband = &pet->emitter[0]; pvt = (mpPasteUpPvtPtr)pet->private; for(b = 0; b < nbands; b++, iband++, oband++, pvt++) { INT32 dst_width = oband->format->width; INT32 dst_height = oband->format->height; if ((tp->dstY + (INT32)iband->format->height) <= 0 || (tp->dstX + (INT32)iband->format->width) <= 0 || (tp->dstX >= dst_width) || (tp->dstY >= dst_height)) DisableSrc(flo,pet,iband,FLUSH); else { pvt->numRects++; if (tp->dstY < pvt->nextline) pvt->nextline = (tp->dstY > 0) ? tp->dstY : 0; } } } /* Allocate space for srcs that are not completely clipped */ pvt = (mpPasteUpPvtPtr)pet->private; for (b = 0; b < nbands; b++, pvt++) if (pvt->numRects) { pvt->rects = (PasteRectPtr)XieMalloc(pvt->numRects * sizeof(PasteRectRec)); pvt->numRects = 0; /* Will be used as list is built */ } else pvt->rects = (PasteRectPtr)NULL; /* Build list for each band containing srcs that are displayed, adjust thresholds for srcs without minimum y */ tp = (xieTypTile *)&(raw[1]); for (t = 0; t < raw->numTiles; t++, tp++) { CARD8 amask = 1, active = pet->receptor[t].active; iband = &(pet->receptor[t].band[0]); oband = &pet->emitter[0]; pvt = (mpPasteUpPvtPtr)pet->private; for(b = 0; b < nbands; b++, iband++, oband++, amask <<= 1, pvt++) { if (active & amask) { INT32 dst_width = oband->format->width; INT32 dst_height = oband->format->height; PasteRectPtr pr = &(pvt->rects[pvt->numRects++]); /* Yuck */ pr->active = TRUE; pr->receptorIndex = t; if (tp->dstX >= 0) { /* clip left */ pr->sxoff = 0; pr->dxoff = tp->dstX; pr->width = iband->format->width; } else { pr->sxoff = -tp->dstX; pr->dxoff = 0; pr->width = iband->format->width - pr->sxoff; } if (pr->dxoff + pr->width > dst_width) /* clip right */ pr->width = dst_width - pr->dxoff; if (tp->dstY >= 0) { /* clip top */ pr->dyoff = tp->dstY; pr->height = iband->format->height; } else { pr->dyoff = 0; pr->height = iband->format->height - (-tp->dstY); } if (pr->dyoff + pr->height > dst_height)/* clip bottom */ pr->height = dst_height - pr->dyoff; /* Adjust thresholds if necessary */ if (tp->dstY != pvt->nextline) { if (tp->dstY > pvt->nextline) IgnoreBand(iband); else SetBandThreshold(iband,-tp->dstY+1); } } } } return( TRUE ); } /* end InitializePasteUp */ /*------------------------------------------------------------------------ ------------------------ crank some single input data -------------------- ------------------------------------------------------------------------*/ static int ActivatePasteUp(flo,ped,pet) floDefPtr flo; peDefPtr ped; peTexPtr pet; { pPasteUpDefPtr pvt = (pPasteUpDefPtr) ped->elemPvt; PasteUpFloat *fconst = pvt->constant; receptorPtr rcp = pet->receptor; CARD32 bands = rcp[SRCt1].inFlo->bands; bandPtr dbnd = &pet->emitter[0]; mpPasteUpPvtPtr mpvt = (mpPasteUpPvtPtr) pet->private; pointer src, dst; PasteRectPtr tp; CARD32 t, b; for(b = 0; b < bands; b++, dbnd++, mpvt++, fconst++) { INT32 dst_width = dbnd->format->width; /* Get pointer for dst scanline, Fill with constant */ if (!(dst = GetCurrentDst(flo,pet,dbnd))) break; (*(mpvt->fill)) (dst,*fconst,mpvt->iconstant,dst_width); /* Skip any constant lines */ if (dbnd->current < mpvt->nextline) { while (dbnd->current < mpvt->nextline) { if (dst = GetNextDst(flo,pet,dbnd,KEEP)) { (*(mpvt->fill)) (dst,*fconst,mpvt->iconstant,dst_width); } else { PutData(flo,pet,dbnd,dbnd->current); return TRUE; } } } mpvt->nextline = dbnd->format->height; tp = mpvt->rects; for (t = 0; t < mpvt->numRects; t++, tp++){ bandPtr sbnd = &rcp[tp->receptorIndex].band[b]; INT32 tdy = tp->dyoff; INT32 tdend = tdy + tp->height; if (!tp->active) continue; /* see if this src has a line for the destination */ if ((INT32)dbnd->current >= tdy && (INT32)dbnd->current < tdend) { if (sbnd->threshold > 1) { src = GetSrc(flo,pet,sbnd,sbnd->threshold - 1,KEEP); SetBandThreshold(sbnd,1); } else src = GetCurrentSrc(flo,pet,sbnd); if (!src) /* all tiles for this line should be ready */ ImplementationError(flo, ped, return(FALSE)); (*(mpvt->action)) (src, tp->sxoff, dst, tp->dxoff, tp->width); FreeData(flo,pet,sbnd,sbnd->current+1); if ((dbnd->current + 1) < tdend) mpvt->nextline = dbnd->current + 1; else tp->active = FALSE; } else if (tdy == (dbnd->current + 1)) { /* Tile missed on this line but will be needed for next line */ AttendBand(sbnd); mpvt->nextline = dbnd->current + 1; } else if (tdy < mpvt->nextline) { mpvt->nextline = tdy; } } if (mpvt->nextline < dbnd->format->height) { /* ... still more tiles to copy */ (void) GetNextDst(flo,pet,dbnd,FLUSH); if (mpvt->nextline != dbnd->current) { /* ... find the Next bunch of tiles */ tp = mpvt->rects; for (t = 0; t < mpvt->numRects; t++, tp++) if (tp->active && tp->dyoff == mpvt->nextline) { AttendBand(&rcp[tp->receptorIndex].band[b]); } } } else { /* ... fill in remaining destination with constant */ while((dst = GetNextDst(flo,pet,dbnd,KEEP))) (*(mpvt->fill)) (dst,*fconst,mpvt->iconstant,dst_width); PutData(flo,pet,dbnd,dbnd->current); } } return(TRUE); } /* end ActivatePasteUp */ /*------------------------------------------------------------------------ ------------------------ get rid of run-time stuff ----------------------- ------------------------------------------------------------------------*/ static int ResetPasteUp(flo,ped) floDefPtr flo; peDefPtr ped; { peTexPtr pet = ped->peTex; mpPasteUpPvtPtr pvt = (mpPasteUpPvtPtr)pet->private; CARD32 nbands = pet->receptor[SRCt1].inFlo->bands; CARD32 b; /* Free any lists that were malloced */ for (b = 0; b < nbands; b++, pvt++) if (pvt->rects) pvt->rects = (PasteRectPtr)XieFree(pvt->rects); ResetReceptors(ped); ResetEmitter(ped); return(TRUE); } /* end ResetPasteUp */ /*------------------------------------------------------------------------ -------------------------- get rid of this element ----------------------- ------------------------------------------------------------------------*/ static int DestroyPasteUp(flo,ped) floDefPtr flo; peDefPtr ped; { /* get rid of the peTex structure */ ped->peTex = (peTexPtr) XieFree(ped->peTex); /* zap this element's entry point vector */ ped->ddVec.create = (xieIntProc)NULL; ped->ddVec.initialize = (xieIntProc)NULL; ped->ddVec.activate = (xieIntProc)NULL; ped->ddVec.flush = (xieIntProc)NULL; ped->ddVec.reset = (xieIntProc)NULL; ped->ddVec.destroy = (xieIntProc)NULL; return(TRUE); } /* end DestroyPasteUp */ /*------------------------------------------------------------------------ --------------------------PasteUp fill routines ------------------------ ------------------------------------------------------------------------*/ static void FillReal(dst,ffill,ifill,width) RealPixel *dst; PasteUpFloat ffill; CARD32 ifill,width; { while (width-- > 0) *dst++ = ffill; } #define PasteFill(fname,stype) \ static void fname(din,ffill,ifill,width) \ pointer din; \ PasteUpFloat ffill; \ CARD32 ifill,width; \ { \ stype *dst = (stype *)din, fill = (stype)ifill; \ while (width-- > 0) *dst++ = fill; \ } PasteFill(FillQuad,QuadPixel) PasteFill(FillPair,PairPixel) PasteFill(FillByte,BytePixel) static void FillBit(dst,ffill,ifill,width) BitPixel *dst; PasteUpFloat ffill; CARD32 ifill,width; { memset((char *)dst, (ifill ? ~0 : 0), (width+7)>>3); } /*------------------------------------------------------------------------ --------------------------PasteUp action routines ---------------------- ------------------------------------------------------------------------*/ #define PasteAction(fname,stype) \ static void fname(sin,s_off,din,d_off,width) \ CARD32 width, s_off, d_off; \ pointer sin, din; \ { \ stype *src = (stype *)sin, *dst = (stype *)din; \ src += s_off; \ dst += d_off; \ while (width-- > 0) *dst++ = *src++; \ } PasteAction(PasteReal,RealPixel) PasteAction(PasteQuad,QuadPixel) PasteAction(PastePair,PairPixel) PasteAction(PasteByte,BytePixel) static void PasteBit(sin,s_off,din,d_off,width) CARD32 width, s_off, d_off; pointer sin, din; { LogInt * src = (LogInt *) sin; LogInt * dst = (LogInt *) din; for ( ; width-- > 0 ; s_off++, d_off++ ) { if (LOG_tstbit(src,s_off)) LOG_setbit(dst,d_off); else LOG_clrbit(dst,d_off); } } /* end module mppaste.c */