/* $XConsortium: pl_rdr.c,v 1.11 94/04/17 20:22:44 rws Exp $ */ /****************************************************************************** Copyright (c) 1992 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. Copyright 1987,1991 by Digital Equipment Corporation, Maynard, Massachusetts All Rights Reserved 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, 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 make no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. 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. ******************************************************************************/ #include "PEXlib.h" #include "PEXlibint.h" static void _PEXGenerateRendererList(); PEXRenderer PEXCreateRenderer (display, drawable, valueMask, values) INPUT Display *display; INPUT Drawable drawable; INPUT unsigned long valueMask; INPUT PEXRendererAttributes *values; { register pexCreateRendererReq *req; char *pBuf; PEXRenderer rdr; int size = 0; char *pList; int fpConvert; int fpFormat; /* * Get a renderer resource id from X. */ rdr = XAllocID (display); /* * Lock around the critical section, for multithreading. */ LockDisplay (display); /* * Put the request in the X request buffer. For the value mask, * turn off the Current Path and Renderer State bits, since these * attributes are not modifiable. */ valueMask &= ~(PEXRACurrentPath | PEXRARendererState); PEXGetReq (CreateRenderer, pBuf); BEGIN_REQUEST_HEADER (CreateRenderer, pBuf, req); CHECK_FP (fpConvert, fpFormat); PEXStoreFPReqHead (CreateRenderer, fpFormat, req); req->drawable = drawable; req->rdr = rdr; req->itemMask = valueMask; if (valueMask != 0) { _PEXGenerateRendererList (display, fpConvert, fpFormat, valueMask, values, &size, &pList); req->length += NUMWORDS (size); } END_REQUEST_HEADER (CreateRenderer, pBuf, req); /* * Send the list of values. */ if (size > 0) Data (display, pList, size); /* * Done, so unlock and check for synchronous-ness. */ UnlockDisplay (display); PEXSyncHandle (display); return (rdr); } void PEXFreeRenderer (display, renderer) INPUT Display *display; INPUT PEXRenderer renderer; { register pexFreeRendererReq *req; char *pBuf; /* * Lock around the critical section, for multithreading. */ LockDisplay (display); /* * Put the request in the X request buffer. */ PEXGetReq (FreeRenderer, pBuf); BEGIN_REQUEST_HEADER (FreeRenderer, pBuf, req); PEXStoreReqHead (FreeRenderer, req); req->id = renderer; END_REQUEST_HEADER (FreeRenderer, pBuf, req); /* * Done, so unlock and check for synchronous-ness. */ UnlockDisplay (display); PEXSyncHandle (display); } PEXRendererAttributes * PEXGetRendererAttributes (display, renderer, valueMask) INPUT Display *display; INPUT PEXRenderer renderer; INPUT unsigned long valueMask; { register pexGetRendererAttributesReq *req; register PEXRendererAttributes *pAttr; register char *pBuf, *pBufSave; pexGetRendererAttributesReply rep; unsigned long f; int i; unsigned count; int fpConvert; int fpFormat; /* * Lock around the critical section, for multithreading. */ LockDisplay (display); /* * Put the request in the X request buffer and get a reply. */ PEXGetReq (GetRendererAttributes, pBuf); BEGIN_REQUEST_HEADER (GetRendererAttributes, pBuf, req); CHECK_FP (fpConvert, fpFormat); PEXStoreFPReqHead (GetRendererAttributes, fpFormat, req); req->rdr = renderer; req->itemMask = valueMask; END_REQUEST_HEADER (GetRendererAttributes, pBuf, req); if (_XReply (display, (xReply *)&rep, 0, xFalse) == 0) { UnlockDisplay (display); PEXSyncHandle (display); return (NULL); /* return an error */ } /* * Read the reply data into a scratch buffer. */ XREAD_INTO_SCRATCH (display, pBufSave, rep.length << 2); pBuf = pBufSave; /* * Allocate a buffer for the replies to pass back to the client. */ pAttr = (PEXRendererAttributes *) Xmalloc (sizeof (PEXRendererAttributes)); pAttr->current_path.count = 0; pAttr->current_path.elements = NULL; pAttr->clip_list.count = 0; pAttr->clip_list.rectangles = NULL; pAttr->pick_start_path.count = 0; pAttr->pick_start_path.elements = NULL; for (i = 0; i < (PEXRAMaxShift + 1); i++) { f = (1L << i); if (valueMask & f) { switch (f) { case PEXRACurrentPath: EXTRACT_CARD32 (pBuf, count); pAttr->current_path.count = count; pAttr->current_path.elements = (PEXElementRef *) Xmalloc (count * sizeof (PEXElementRef)); EXTRACT_LISTOF_ELEMREF (count, pBuf, pAttr->current_path.elements); break; case PEXRAPipelineContext: EXTRACT_CARD32 (pBuf, pAttr->pipeline_context); break; case PEXRAMarkerBundle: EXTRACT_CARD32 (pBuf, pAttr->marker_bundle); break; case PEXRATextBundle: EXTRACT_CARD32 (pBuf, pAttr->text_bundle); break; case PEXRALineBundle: EXTRACT_CARD32 (pBuf, pAttr->line_bundle); break; case PEXRAInteriorBundle: EXTRACT_CARD32 (pBuf, pAttr->interior_bundle); break; case PEXRAEdgeBundle: EXTRACT_CARD32 (pBuf, pAttr->edge_bundle); break; case PEXRAViewTable: EXTRACT_CARD32 (pBuf, pAttr->view_table); break; case PEXRAColorTable: EXTRACT_CARD32 (pBuf, pAttr->color_table); break; case PEXRADepthCueTable: EXTRACT_CARD32 (pBuf, pAttr->depth_cue_table); break; case PEXRALightTable: EXTRACT_CARD32 (pBuf, pAttr->light_table); break; case PEXRAColorApproxTable: EXTRACT_CARD32 (pBuf, pAttr->color_approx_table); break; case PEXRAPatternTable: EXTRACT_CARD32 (pBuf, pAttr->pattern_table); break; case PEXRATextFontTable: EXTRACT_CARD32 (pBuf, pAttr->text_font_table); break; case PEXRAHighlightIncl: EXTRACT_CARD32 (pBuf, pAttr->highlight_incl); break; case PEXRAHighlightExcl: EXTRACT_CARD32 (pBuf, pAttr->highlight_excl); break; case PEXRAInvisibilityIncl: EXTRACT_CARD32 (pBuf, pAttr->invisibility_incl); break; case PEXRAInvisibilityExcl: EXTRACT_CARD32 (pBuf, pAttr->invisibility_excl); break; case PEXRARendererState: EXTRACT_LOV_CARD16 (pBuf, pAttr->renderer_state); break; case PEXRAHLHSRMode: EXTRACT_LOV_INT16 (pBuf, pAttr->hlhsr_mode); break; case PEXRANPCSubVolume: EXTRACT_NPC_SUBVOLUME (pBuf, pAttr->npc_subvolume, fpConvert, fpFormat); break; case PEXRAViewport: EXTRACT_VIEWPORT (pBuf, pAttr->viewport, fpConvert, fpFormat); break; case PEXRAClipList: EXTRACT_CARD32 (pBuf, count); pAttr->clip_list.count = count; pAttr->clip_list.rectangles = (PEXDeviceRect *) Xmalloc (count * sizeof (PEXDeviceRect)); EXTRACT_LISTOF_DEVRECT (count, pBuf, pAttr->clip_list.rectangles); break; case PEXRAPickIncl: EXTRACT_CARD32 (pBuf, pAttr->pick_incl); break; case PEXRAPickExcl: EXTRACT_CARD32 (pBuf, pAttr->pick_excl); break; case PEXRAPickStartPath: EXTRACT_CARD32 (pBuf, count); pAttr->pick_start_path.count = count; pAttr->pick_start_path.elements = (PEXElementRef *) Xmalloc (count * sizeof (PEXElementRef)); EXTRACT_LISTOF_ELEMREF (count, pBuf, pAttr->pick_start_path.elements); break; case PEXRABackgroundColor: EXTRACT_COLOR_SPEC (pBuf, pAttr->background_color, fpConvert, fpFormat); break; case PEXRAClearImage: EXTRACT_LOV_CARD8 (pBuf, pAttr->clear_image); break; case PEXRAClearZ: EXTRACT_LOV_CARD8 (pBuf, pAttr->clear_z); break; case PEXRAEchoMode: EXTRACT_LOV_CARD16 (pBuf, pAttr->echo_mode); break; } } } FINISH_WITH_SCRATCH (display, pBufSave, rep.length << 2); /* * Done, so unlock and check for synchronous-ness. */ UnlockDisplay (display); PEXSyncHandle (display); return (pAttr); } Status PEXGetRendererDynamics (display, renderer, tablesReturn, namesetsReturn, attributesReturn) INPUT Display *display; INPUT PEXRenderer renderer; OUTPUT unsigned long *tablesReturn; OUTPUT unsigned long *namesetsReturn; OUTPUT unsigned long *attributesReturn; { register pexGetRendererDynamicsReq *req; char *pBuf; pexGetRendererDynamicsReply rep; /* * Lock around the critical section, for multithreading. */ LockDisplay (display); /* * Put the request in the X request buffer and get a reply. */ PEXGetReq (GetRendererDynamics, pBuf); BEGIN_REQUEST_HEADER (GetRendererDynamics, pBuf, req); PEXStoreReqHead (GetRendererDynamics, req); req->id = renderer; END_REQUEST_HEADER (GetRendererDynamics, pBuf, req); if (_XReply (display, (xReply *)&rep, 0, xFalse) == 0) { UnlockDisplay (display); PEXSyncHandle (display); *tablesReturn = *namesetsReturn = *attributesReturn = 0; return (0); /* return an error */ } *tablesReturn = rep.tables; *namesetsReturn = rep.namesets; *attributesReturn = rep.attributes; /* * Done, so unlock and check for synchronous-ness. */ UnlockDisplay (display); PEXSyncHandle (display); return (1); } void PEXChangeRenderer (display, renderer, valueMask, values) INPUT Display *display; INPUT PEXRenderer renderer; INPUT unsigned long valueMask; INPUT PEXRendererAttributes *values; { register pexChangeRendererReq *req; char *pBuf; int size = 0; char *pList; int fpConvert; int fpFormat; /* * Lock around the critical section, for multithreading. */ LockDisplay (display); /* * Put the request in the X request buffer. For the item mask, * turn off the Current Path and Renderer State attributes, since * these are not modifiable. */ valueMask &= ~(PEXRACurrentPath | PEXRARendererState); PEXGetReq (ChangeRenderer, pBuf); BEGIN_REQUEST_HEADER (ChangeRenderer, pBuf, req); CHECK_FP (fpConvert, fpFormat); PEXStoreFPReqHead (ChangeRenderer, fpFormat, req); req->rdr = renderer; req->itemMask = valueMask; if (valueMask != 0) { _PEXGenerateRendererList (display, fpConvert, fpFormat, valueMask, values, &size, &pList); req->length += NUMWORDS (size); } END_REQUEST_HEADER (ChangeRenderer, pBuf, req); /* * Send the list of values. */ if (size > 0) Data (display, pList, size); /* * Done, so unlock and check for synchronous-ness. */ UnlockDisplay (display); PEXSyncHandle (display); } void PEXBeginRendering (display, drawable, renderer) INPUT Display *display; INPUT Drawable drawable; INPUT PEXRenderer renderer; { register pexBeginRenderingReq *req; char *pBuf; /* * Lock around the critical section, for multithreading. */ LockDisplay (display); /* * Put the request in the X request buffer. */ PEXGetReq (BeginRendering, pBuf); BEGIN_REQUEST_HEADER (BeginRendering, pBuf, req); PEXStoreReqHead (BeginRendering, req); req->rdr = renderer; req->drawable = drawable; END_REQUEST_HEADER (BeginRendering, pBuf, req); /* * Done, so unlock and check for synchronous-ness. */ UnlockDisplay (display); PEXSyncHandle (display); } void PEXEndRendering (display, renderer, flush) INPUT Display *display; INPUT PEXRenderer renderer; INPUT int flush; { register pexEndRenderingReq *req; char *pBuf; /* * Lock around the critical section, for multithreading. */ LockDisplay (display); /* * Put the request in the X request buffer. */ PEXGetReq (EndRendering, pBuf); BEGIN_REQUEST_HEADER (EndRendering, pBuf, req); PEXStoreReqHead (EndRendering, req); req->rdr = renderer; req->flushFlag = flush; END_REQUEST_HEADER (EndRendering, pBuf, req); /* * Done, so unlock and check for synchronous-ness. */ UnlockDisplay (display); PEXSyncHandle (display); } void PEXBeginStructure (display, renderer, id) INPUT Display *display; INPUT PEXRenderer renderer; INPUT long id; { register pexBeginStructureReq *req; char *pBuf; /* * Lock around the critical section, for multithreading. */ LockDisplay (display); /* * Put the request in the X request buffer. */ PEXGetReq (BeginStructure, pBuf); BEGIN_REQUEST_HEADER (BeginStructure, pBuf, req); PEXStoreReqHead (BeginStructure, req); req->rdr = renderer; req->sid = id; END_REQUEST_HEADER (BeginStructure, pBuf, req); /* * Done, so unlock and check for synchronous-ness. */ UnlockDisplay (display); PEXSyncHandle (display); } void PEXEndStructure (display, renderer) INPUT Display *display; INPUT PEXRenderer renderer; { register pexEndStructureReq *req; char *pBuf; /* * Lock around the critical section, for multithreading. */ LockDisplay (display); /* * Put the request in the X request buffer. */ PEXGetReq (EndStructure, pBuf); BEGIN_REQUEST_HEADER (EndStructure, pBuf, req); PEXStoreReqHead (EndStructure, req); req->id = renderer; END_REQUEST_HEADER (EndStructure, pBuf, req); /* * Done, so unlock and check for synchronous-ness. */ UnlockDisplay (display); PEXSyncHandle (display); } void PEXRenderNetwork (display, drawable, renderer, structure) INPUT Display *display; INPUT Drawable drawable; INPUT PEXRenderer renderer; INPUT PEXStructure structure; { register pexRenderNetworkReq *req; char *pBuf; /* * Lock around the critical section, for multithreading. */ LockDisplay (display); /* * Put the request in the X request buffer. */ PEXGetReq (RenderNetwork, pBuf); BEGIN_REQUEST_HEADER (RenderNetwork, pBuf, req); PEXStoreReqHead (RenderNetwork, req); req->rdr = renderer; req->drawable = drawable; req->sid = structure; END_REQUEST_HEADER (RenderNetwork, pBuf, req); /* * Done, so unlock and check for synchronous-ness. */ UnlockDisplay (display); PEXSyncHandle (display); } void PEXRenderElements (display, renderer, sid, whence1, offset1, whence2, offset2) INPUT Display *display; INPUT PEXRenderer renderer; INPUT PEXStructure sid; INPUT int whence1; INPUT long offset1; INPUT int whence2; INPUT long offset2; { register pexRenderElementsReq *req; char *pBuf; /* * Lock around the critical section, for multithreading. */ LockDisplay (display); /* * Put the request in the X request buffer. */ PEXGetReq (RenderElements, pBuf); BEGIN_REQUEST_HEADER (RenderElements, pBuf, req); PEXStoreReqHead (RenderElements, req); req->rdr = renderer; req->sid = sid; req->position1_whence = whence1; req->position1_offset = offset1; req->position2_whence = whence2; req->position2_offset = offset2; END_REQUEST_HEADER (RenderElements, pBuf, req); /* * Done, so unlock and check for synchronous-ness. */ UnlockDisplay (display); PEXSyncHandle (display); } void PEXAccumulateState (display, renderer, numElements, elements) INPUT Display *display; INPUT PEXRenderer renderer; INPUT unsigned long numElements; INPUT PEXElementRef *elements; { register pexAccumulateStateReq *req; char *pBuf; unsigned int size; /* * Lock around the critical section, for multithreading. */ LockDisplay (display); /* * Put the request in the X request buffer. */ size = numElements * SIZEOF (pexElementRef); PEXGetReqExtra (AccumulateState, size, pBuf); BEGIN_REQUEST_HEADER (AccumulateState, pBuf, req); PEXStoreReqExtraHead (AccumulateState, size, req); req->rdr = renderer; req->numElRefs = numElements; END_REQUEST_HEADER (AccumulateState, pBuf, req); STORE_LISTOF_ELEMREF (numElements, elements, pBuf); /* * Done, so unlock and check for synchronous-ness. */ UnlockDisplay (display); PEXSyncHandle (display); } /* * Routine to write a packed list of renderer attributes to the * transport buffer. */ static void _PEXGenerateRendererList (display, fpConvert, fpFormat, valueMask, values, sizeRet, listRet) INPUT Display *display; INPUT int fpConvert; INPUT int fpFormat; INPUT unsigned long valueMask; INPUT PEXRendererAttributes *values; OUTPUT int *sizeRet; OUTPUT char **listRet; { register char *pBuf; int size; int i, n; unsigned long f; /* * Count the number of attributes being set, then allocate a * scratch buffer used to pack the attributes. It's not worth * computing the exact amount of memory needed, so assume * worse case. */ CountOnes (valueMask, n); size = n * SIZEOF (CARD32) + SIZEOF (pexNpcSubvolume) + SIZEOF (pexViewport) + SIZEOF (pexColorSpecifier); if (valueMask & PEXRAClipList) { size += (values->clip_list.count * SIZEOF (pexDeviceRect)); } if (valueMask & PEXRAPickStartPath) { size += (values->pick_start_path.count * SIZEOF (pexElementRef)); } pBuf = *listRet = (char *) _XAllocScratch (display, size); /* * Pack the attributes. */ for (i = 0; i < (PEXRAMaxShift + 1); i++) { f = (1L << i); if (valueMask & f) { switch (f) { case PEXRACurrentPath: /* * Current path doesn't make sense in a new or changed * renderer, so ignore it. */ break; case PEXRAPipelineContext: STORE_CARD32 (values->pipeline_context, pBuf); break; case PEXRAMarkerBundle: STORE_CARD32 (values->marker_bundle, pBuf); break; case PEXRATextBundle: STORE_CARD32 (values->text_bundle, pBuf); break; case PEXRALineBundle: STORE_CARD32 (values->line_bundle, pBuf); break; case PEXRAInteriorBundle: STORE_CARD32 (values->interior_bundle, pBuf); break; case PEXRAEdgeBundle: STORE_CARD32 (values->edge_bundle, pBuf); break; case PEXRAViewTable: STORE_CARD32 (values->view_table, pBuf); break; case PEXRAColorTable: STORE_CARD32 (values->color_table, pBuf); break; case PEXRADepthCueTable: STORE_CARD32 (values->depth_cue_table, pBuf); break; case PEXRALightTable: STORE_CARD32 (values->light_table, pBuf); break; case PEXRAColorApproxTable: STORE_CARD32 (values->color_approx_table, pBuf); break; case PEXRAPatternTable: STORE_CARD32 (values->pattern_table, pBuf); break; case PEXRATextFontTable: STORE_CARD32 (values->text_font_table, pBuf); break; case PEXRAHighlightIncl: STORE_CARD32 (values->highlight_incl, pBuf); break; case PEXRAHighlightExcl: STORE_CARD32 (values->highlight_excl, pBuf); break; case PEXRAInvisibilityIncl: STORE_CARD32 (values->invisibility_incl, pBuf); break; case PEXRAInvisibilityExcl: STORE_CARD32 (values->invisibility_excl, pBuf); break; case PEXRARendererState: /* * Renderer state doesn't make sense in a new or changed * renderer, so ignore it. */ break; case PEXRAHLHSRMode: STORE_CARD32 (values->hlhsr_mode, pBuf); break; case PEXRANPCSubVolume: STORE_NPC_SUBVOLUME (values->npc_subvolume, pBuf, fpConvert, fpFormat); break; case PEXRAViewport: STORE_VIEWPORT (values->viewport, pBuf, fpConvert, fpFormat); break; case PEXRAClipList: STORE_CARD32 (values->clip_list.count, pBuf); STORE_LISTOF_DEVRECT (values->clip_list.count, values->clip_list.rectangles, pBuf); break; case PEXRAPickIncl: STORE_CARD32 (values->pick_incl, pBuf); break; case PEXRAPickExcl: STORE_CARD32 (values->pick_excl, pBuf); break; case PEXRAPickStartPath: STORE_CARD32 (values->pick_start_path.count, pBuf); STORE_LISTOF_ELEMREF (values->pick_start_path.count, values->pick_start_path.elements, pBuf); break; case PEXRABackgroundColor: STORE_COLOR_SPEC (values->background_color, pBuf, fpConvert, fpFormat); break; case PEXRAClearImage: STORE_CARD32 (values->clear_image, pBuf); break; case PEXRAClearZ: STORE_CARD32 (values->clear_z, pBuf); break; case PEXRAEchoMode: STORE_CARD32 (values->echo_mode, pBuf); break; } } } *sizeRet = pBuf - *listRet; }