/* $Xorg: flo.c,v 1.3 2000/08/17 19:47:30 cpqbld Exp $ */ /**** module flo.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". 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Title to this software shall at all times remain with AGE Logic, Inc. ***************************************************************************** flo.c -- DIXIE photoflo utility routines Robert NC Shelley -- AGE Logic, Inc. May, 1993 *****************************************************************************/ /* $XFree86: xc/programs/Xserver/XIE/dixie/request/flo.c,v 3.5 2001/01/17 22:12:55 dawes Exp $ */ /* * Include files */ /* * Core X Includes */ #define NEED_EVENTS #include #include /* * XIE Includes */ #include #include /* * more X server includes. */ #include #include /* * Server XIE Includes */ #include #include #include #include #include /* * Module specific includes */ #include /* * routines used internal to this module */ static void DAGonize(floDefPtr flo, peDefPtr ped); static Bool InputsOK(peDefPtr old, peDefPtr new); /*------------------------------------------------------------------------ ----------------------------- routine: MakeFlo --------------------------- ------------------------------------------------------------------------*/ floDefPtr MakeFlo( ClientPtr client, CARD16 peCnt, xieFlo *peLst) { xieTypPhototag tag; xieFlo *pe; peDefPtr ped, export = NULL; floDefPtr flo; if( !(flo = (floDefPtr) XieCalloc(sizeof(floDefRec) + (peCnt+1) * sizeof(xieFlo *))) ) return(NULL); flo->reqClient = client; flo->peCnt = peCnt; flo->peArray = (peDefPtr *) &flo[1]; flo->flags.modified = TRUE; ListInit(&flo->defDAG); ListInit(&flo->optDAG); /* allocate photo element definition structures for each client element */ for(pe = peLst, tag = 1; tag <= peCnt && !ferrCode(flo); tag++) { if(client->swapped) { register int n; swaps(&pe->elemType, n); swaps(&pe->elemLength, n); } /* if it's a valid element, Make it -- then hop to the next one */ if( pe->elemType <= xieMaxElem ) { flo->peArray[tag] = MakeElement(flo, tag, pe); pe = (xieFlo *)((CARD32 *)pe + pe->elemLength); } else FloElementError(flo,tag,pe->elemType, return(flo)); } /* analyze the DAG's topology and connect it all together */ for(tag = 1; tag <= peCnt && !ferrCode(flo); tag++) { ped = flo->peArray[tag]; if(!ped->flags.export) continue; /* skip to the next export element */ ped->clink = export; /* link it to previous exports */ export = ped; /* link all elements together that contribute data towards this export */ DAGonize(flo,ped); } return(flo); } /* end MakeFlo */ /*------------------------------------------------------------------------ ----------------------------- routine: EditFlo --------------------------- ------------------------------------------------------------------------*/ Bool EditFlo( floDefPtr flo, xieTypPhototag start, xieTypPhototag end, xieFlo *peLst) { xieTypPhototag tag; pointer ptr; xieFlo *pe; peDefPtr old, tmp; for(pe = peLst, tag = start; !ferrCode(flo) && tag <= end; tag++) { if(flo->reqClient->swapped) { register int n; swaps(&pe->elemType, n); swaps(&pe->elemLength, n); } old = flo->peArray[tag]; if(pe->elemType != old->elemRaw->elemType) FloElementError(flo,tag,pe->elemType, return(FALSE)); if( pe->elemType <= xieMaxElem ) { /* make a temporary peDef to hold the new client parameters */ if ((tmp = MakeElement(flo, tag, pe)) != 0) { if(InputsOK(old,tmp)) { /* swap the new parameter pointers into the existing peDef */ SwapPtr(old->elemRaw,tmp->elemRaw,ptr); SwapPtr(old->elemPvt,tmp->elemPvt,ptr); SwapPtr(old->techPvt,tmp->techPvt,ptr); SwapPtr(old->techVec,tmp->techVec,ptr); old->flags.modified = TRUE; /* free the tmp peDef which now holds the old parameters */ FreePEDef(tmp); } else { FreePEDef(tmp); SourceError(flo,old, return(FALSE)); } } else { return(FALSE); } pe = (xieFlo *)((CARD32 *)pe + pe->elemLength); } else FloElementError(flo,tag,pe->elemType, return(FALSE)); } return(flo->flags.modified = TRUE); } /* end EditFlo */ /*------------------------------------------------------------------------ ----------------------------- routine: PrepFlo --------------------------- ------------------------------------------------------------------------*/ void PrepFlo(floDefPtr flo) { peDefPtr ped; pedLstPtr lst = ListEmpty(&flo->optDAG) ? &flo->defDAG : &flo->optDAG; for(ped = lst->flink; !ListEnd(ped,lst); ped = ped->flink) /* * call each element's Prep routine, which will: * - lookup any resources needed by the element (e.g. Colormap, ROI, ...) * - validate the element's parameter (and technique) values * - validate the attributes of each source of data for the element * - determine the element's output attributes * - determine if anything was modified since a previous execution */ if( !(*ped->diVec->prep)(flo, ped) ) break; } /* end PrepFlo */ /*------------------------------------------------------------------------ ----------------------------- routine: FreeFlo --------------------------- ------------------------------------------------------------------------*/ floDefPtr FreeFlo(floDefPtr flo) { peDefPtr ped; xieTypPhototag tag; while( !ListEmpty(&flo->optDAG) ) { /* free peDefs from the optimized DAG */ RemoveMember(ped, flo->optDAG.flink); FreePEDef(ped); } for(tag = 1; tag <= flo->peCnt; tag++) { /* free the peDef and parameter block for each client element */ FreePEDef(flo->peArray[tag]); } /* finally, free the floDef itself */ XieFree(flo); return(NULL); } /* end FreeFlo */ /*------------------------------------------------------------------------ ---- routine: Alloc a peDef and DIXIE parameter storage for an element --- ------------------------------------------------------------------------*/ peDefPtr MakePEDef( CARD32 inFloCnt, CARD32 rawLen, CARD32 pvtLen) { int i, b; inFloPtr inf; peDefPtr ped = (peDefPtr) XieCalloc(sizeof(peDefRec) + sizeof(inFloRec) * inFloCnt); if( ped ) { /* alloc some space for a copy of the client's element parameters */ if( !(ped->elemRaw = (xieFlo *) XieMalloc(rawLen))) return(FreePEDef(ped)); /* alloc whatever private space this element needs for dixie info */ if(pvtLen) if ((ped->elemPvt = (pointer)XieCalloc(pvtLen)) != 0) *(CARD32 *)ped->elemPvt = pvtLen; else ped = FreePEDef(ped); ped->flags.modified = TRUE; /* init the outFlo */ for(b = 0; b < xieValMaxBands; ++b) { ListInit(&ped->outFlo.output[b]); ped->outFlo.format[b].band = b; } /* init the in-line inFlo list */ inf = (inFloPtr) &ped[1]; ped->inFloLst = inf; ped->inCnt = inFloCnt; for(i = 0; i < inFloCnt; (inf++)->index = i++) for(b = 0; b < xieValMaxBands; ++b) inf->format[b].band = b; } return(ped); } /* end MakePEDef */ /*------------------------------------------------------------------------ ---------------------------- routine: FreePEDef -------------------------- ------------------------------------------------------------------------*/ peDefPtr FreePEDef(peDefPtr ped) { int b; if( ped ) { /* * empty the outFlo */ for(b = 0; b < xieValMaxBands; ++b) { if(!ListEmpty(&ped->outFlo.output[b])) FreeStrips(&ped->outFlo.output[b]); } /* free element parameter structures */ if( ped->elemRaw ) XieFree(ped->elemRaw); if( ped->elemPvt ) XieFree(ped->elemPvt); if( ped->techPvt ) XieFree(ped->techPvt); XieFree(ped); } return(NULL); } /* end FreePEDef */ /*------------------------------------------------------------------------ ----------------------------- Send Client Data --------------------------- ------------------------------------------------------------------------*/ void SendClientData( floDefPtr flo, peDefPtr ped, CARD8 *data, CARD32 bytes, CARD8 swapUnits, CARD8 state) { xieGetClientDataReply rep; if(flo->reqClient->clientGone) return; bzero((char *)&rep, sz_xieGetClientDataReply); rep.newState = state; rep.type = X_Reply; rep.sequenceNum = flo->reqClient->sequence; rep.length = (bytes + 3) >> 2; rep.byteCount = bytes; if( flo->reqClient->swapped ) { register int n; swaps(&rep.sequenceNum, n); swapl(&rep.length, n); swapl(&rep.byteCount, n); } WriteToClient(flo->reqClient, sz_xieGetClientDataReply, (char *)&rep); if( bytes ) { /* if the data needs to be swapped, do it now */ if( flo->reqClient->swapped ) switch(swapUnits) { case 0: case 1: break; case 2: SwapShorts((short*)data,bytes>>1); break; case 4: case 8: case 16: SwapLongs((CARD32*)data,bytes>>2); break; } WriteToClient(flo->reqClient, bytes, (char *)data); } } /* end SendClientData */ /*------------------------------------------------------------------------ ------- Based on levels, updata the passed in peDef's outFlo format------- ------------------------------------------------------------------------*/ Bool UpdateFormatfromLevels(peDefPtr ped) { int i,bits; for(i = 0; i < ped->outFlo.bands; i++) { SetDepthFromLevels(ped->outFlo.format[i].levels, ped->outFlo.format[i].depth); if((bits = ped->outFlo.format[i].depth) > MAX_DEPTH(ped->outFlo.bands) || ped->outFlo.format[i].levels < 2) return(FALSE); else if(bits == 1) { ped->outFlo.format[i].class = BIT_PIXEL; ped->outFlo.format[i].stride = 1; } else if(bits <= 8) { ped->outFlo.format[i].class = BYTE_PIXEL; ped->outFlo.format[i].stride = 8; } else if(bits <= 16) { ped->outFlo.format[i].class = PAIR_PIXEL; ped->outFlo.format[i].stride = 16; } else { ped->outFlo.format[i].class = QUAD_PIXEL; ped->outFlo.format[i].stride = 32; } bits = ped->outFlo.format[i].width * ped->outFlo.format[i].stride; ped->outFlo.format[i].pitch = bits + Align(bits,PITCH_MOD); } return (TRUE); } /*------------------------------------------------------------------------* * DAGonize recurses back through all the elements that contribute data * * to the element passed to it. The recursion terminates when: * * - an import element is found * * - an element with fully connected inputs is found * * - an error is encountered (phototag out of range, or loop detected) * *------------------------------------------------------------------------*/ static void DAGonize(floDefPtr flo, peDefPtr ped) { int in, tag; peDefPtr src; inFloPtr inFlo; if(ped->flink) return; /* this element has already been DAGonized */ /* connect all the inputs to this element */ for(ped->flags.loop = TRUE,in = 0; in < ped->inCnt && !ferrCode(flo); in++) { inFlo = &ped->inFloLst[in]; if((tag = inFlo->srcTag) > flo->peCnt) SourceError(flo,ped, break); /* input is outside the flo-graph! */ if(tag) { /* only connect specified (i.e. non-zero) inputs */ inFlo->ownDef = ped; src = inFlo->srcDef = flo->peArray[tag]; if(src->flags.loop || src->flags.export) SourceError(flo,ped, break); /* oops, we've stumbled over a loop */ /* insert this inFlo into the source element's outFlo list */ inFlo->outChain = src->outFlo.outChain; src->outFlo.outChain = inFlo; /* connect all the elements that contribute data towards this input */ DAGonize(flo,src); } } if(!ferrCode(flo)) { /* clear the loop-detector */ ped->flags.loop = FALSE; if(ped->flags.import && !ListEmpty(&flo->defDAG)) { /* find the end of the import list, then append this element */ for(src = flo->defDAG.flink; src->clink; src = src->clink); src->clink = ped; } /* finally -- append this element onto the definition DAG */ InsertMember(ped, flo->defDAG.blink); } } /* end DAGonize */ /*------------------------------------------------------------------------ -------------- compare input connections between two peDefs -------------- ------------------------------------------------------------------------*/ static Bool InputsOK(peDefPtr old, peDefPtr new) { inFloPtr oldin = old->inFloLst, newin = old->inFloLst; int i; if(old->inCnt != new->inCnt) return(FALSE); for(i = 0; i < old->inCnt; oldin++, newin++, i++) if(oldin->srcTag != newin->srcTag) return(FALSE); return(TRUE); } /* end module flo.c */