diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/NXrender.c.NX.original')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/NXrender.c.NX.original | 3048 |
1 files changed, 0 insertions, 3048 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXrender.c.NX.original b/nx-X11/programs/Xserver/hw/nxagent/NXrender.c.NX.original deleted file mode 100644 index 43607ac08..000000000 --- a/nx-X11/programs/Xserver/hw/nxagent/NXrender.c.NX.original +++ /dev/null @@ -1,3048 +0,0 @@ -#ifdef NXAGENT_UPGRADE - -#include "X/NXrender.c" - -#else - -/* - * $XFree86: xc/programs/Xserver/render/render.c,v 1.26 2003/02/14 18:15:21 dawes Exp $ - * - * Copyright © 2000 SuSE, Inc. - * - * 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 SuSE not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. SuSE makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE - * 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. - * - * Author: Keith Packard, SuSE, Inc. - */ - -/**************************************************************************/ -/* */ -/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/. */ -/* */ -/* NXAGENT, NX protocol compression and NX extensions to this software */ -/* are copyright of NoMachine. Redistribution and use of the present */ -/* software is allowed according to terms specified in the file LICENSE */ -/* which comes in the source distribution. */ -/* */ -/* Check http://www.nomachine.com/licensing.html for applicability. */ -/* */ -/* NX and NoMachine are trademarks of Medialogic S.p.A. */ -/* */ -/* All rights reserved. */ -/* */ -/**************************************************************************/ - -#define NEED_REPLIES -#define NEED_EVENTS -#include "X.h" -#include "Xproto.h" -#include "misc.h" -#include "os.h" -#include "dixstruct.h" -#include "resource.h" -#include "scrnintstr.h" -#include "windowstr.h" -#include "pixmapstr.h" -#include "colormapst.h" -#include "extnsionst.h" -#include "servermd.h" -#include "render.h" -#include "renderproto.h" -#include "Xfuncproto.h" -#include "cursorstr.h" -#ifdef EXTMODULE -#include "xf86_ansic.h" -#endif - -#include "NXpicturestr.h" -#include "NXglyphstr.h" - -#include "Trap.h" - -#include "Render.h" -#include "Pixmaps.h" -#include "Options.h" -#include "Screen.h" - -/* - * Set here the required log level. - */ - -#define PANIC -#define WARNING -#undef TEST -#undef DEBUG - -/* - * From NXmiglyph.c. - */ - -void miGlyphExtents(int nlist, GlyphListPtr list, - GlyphPtr *glyphs, BoxPtr extents); - -/* - * Functions from Render.c. - */ - -int nxagentCursorSaveRenderInfo(ScreenPtr, CursorPtr); -void nxagentCursorPostSaveRenderInfo(CursorPtr, ScreenPtr, PicturePtr, int, int); -int nxagentRenderRealizeCursor(ScreenPtr, CursorPtr); -int nxagentCreatePicture(PicturePtr, Mask); -void nxagentDestroyPicture(PicturePtr pPicture); -void nxagentChangePicture(PicturePtr, Mask); -int nxagentChangePictureClip(PicturePtr, int, int, xRectangle *, int, int); -void nxagentComposite(CARD8, PicturePtr, PicturePtr, PicturePtr, INT16, INT16, - INT16, INT16, INT16, INT16, CARD16, CARD16); -void nxagentCompositeRects(CARD8, PicturePtr, xRenderColor *, int, xRectangle *); -void nxagentCreateGlyphSet(GlyphSetPtr glyphSet); -void nxagentReferenceGlyphSet(GlyphSetPtr glyphSet); -void nxagentFreeGlyphs(GlyphSetPtr glyphSet, CARD32 *gids, int nglyph); -void nxagentFreeGlyphSet(GlyphSetPtr glyphSet); -void nxagentSetPictureTransform(PicturePtr pPicture, pointer transform); -void nxagentSetPictureFilter(PicturePtr pPicture, char *filter, int name_size, - pointer params, int nparams); -void nxagentTrapezoids(CARD8 op, PicturePtr pSrc, PicturePtr pDst, PictFormatPtr maskFormat, - INT16 xSrc, INT16 ySrc, int ntrap, xTrapezoid *traps); - -/* - * The void pointer is actually a XGlyphElt8. - */ - -void nxagentGlyphs(CARD8, PicturePtr, PicturePtr, PictFormatPtr, - INT16, INT16, int, void *, int, GlyphPtr *); - -static int ProcRenderQueryVersion (ClientPtr pClient); -static int ProcRenderQueryPictFormats (ClientPtr pClient); -static int ProcRenderQueryPictIndexValues (ClientPtr pClient); -static int ProcRenderQueryDithers (ClientPtr pClient); -static int ProcRenderCreatePicture (ClientPtr pClient); -static int ProcRenderChangePicture (ClientPtr pClient); -static int ProcRenderSetPictureClipRectangles (ClientPtr pClient); -static int ProcRenderFreePicture (ClientPtr pClient); -static int ProcRenderComposite (ClientPtr pClient); -static int ProcRenderScale (ClientPtr pClient); -static int ProcRenderTrapezoids (ClientPtr pClient); -static int ProcRenderTriangles (ClientPtr pClient); -static int ProcRenderTriStrip (ClientPtr pClient); -static int ProcRenderTriFan (ClientPtr pClient); -static int ProcRenderColorTrapezoids (ClientPtr pClient); -static int ProcRenderColorTriangles (ClientPtr pClient); -static int ProcRenderTransform (ClientPtr pClient); -static int ProcRenderCreateGlyphSet (ClientPtr pClient); -static int ProcRenderReferenceGlyphSet (ClientPtr pClient); -static int ProcRenderFreeGlyphSet (ClientPtr pClient); -static int ProcRenderAddGlyphs (ClientPtr pClient); -static int ProcRenderAddGlyphsFromPicture (ClientPtr pClient); -static int ProcRenderFreeGlyphs (ClientPtr pClient); -static int ProcRenderCompositeGlyphs (ClientPtr pClient); -static int ProcRenderFillRectangles (ClientPtr pClient); -static int ProcRenderCreateCursor (ClientPtr pClient); -static int ProcRenderSetPictureTransform (ClientPtr pClient); -static int ProcRenderQueryFilters (ClientPtr pClient); -static int ProcRenderSetPictureFilter (ClientPtr pClient); -static int ProcRenderCreateAnimCursor (ClientPtr pClient); - -static int ProcRenderDispatch (ClientPtr pClient); - -static int SProcRenderQueryVersion (ClientPtr pClient); -static int SProcRenderQueryPictFormats (ClientPtr pClient); -static int SProcRenderQueryPictIndexValues (ClientPtr pClient); -static int SProcRenderQueryDithers (ClientPtr pClient); -static int SProcRenderCreatePicture (ClientPtr pClient); -static int SProcRenderChangePicture (ClientPtr pClient); -static int SProcRenderSetPictureClipRectangles (ClientPtr pClient); -static int SProcRenderFreePicture (ClientPtr pClient); -static int SProcRenderComposite (ClientPtr pClient); -static int SProcRenderScale (ClientPtr pClient); -static int SProcRenderTrapezoids (ClientPtr pClient); -static int SProcRenderTriangles (ClientPtr pClient); -static int SProcRenderTriStrip (ClientPtr pClient); -static int SProcRenderTriFan (ClientPtr pClient); -static int SProcRenderColorTrapezoids (ClientPtr pClient); -static int SProcRenderColorTriangles (ClientPtr pClient); -static int SProcRenderTransform (ClientPtr pClient); -static int SProcRenderCreateGlyphSet (ClientPtr pClient); -static int SProcRenderReferenceGlyphSet (ClientPtr pClient); -static int SProcRenderFreeGlyphSet (ClientPtr pClient); -static int SProcRenderAddGlyphs (ClientPtr pClient); -static int SProcRenderAddGlyphsFromPicture (ClientPtr pClient); -static int SProcRenderFreeGlyphs (ClientPtr pClient); -static int SProcRenderCompositeGlyphs (ClientPtr pClient); -static int SProcRenderFillRectangles (ClientPtr pClient); -static int SProcRenderCreateCursor (ClientPtr pClient); -static int SProcRenderSetPictureTransform (ClientPtr pClient); -static int SProcRenderQueryFilters (ClientPtr pClient); -static int SProcRenderSetPictureFilter (ClientPtr pClient); -static int SProcRenderCreateAnimCursor (ClientPtr pClient); - -static int SProcRenderDispatch (ClientPtr pClient); - -int (*ProcRenderVector[RenderNumberRequests])(ClientPtr) = { - ProcRenderQueryVersion, - ProcRenderQueryPictFormats, - ProcRenderQueryPictIndexValues, - ProcRenderQueryDithers, - ProcRenderCreatePicture, - ProcRenderChangePicture, - ProcRenderSetPictureClipRectangles, - ProcRenderFreePicture, - ProcRenderComposite, - ProcRenderScale, - ProcRenderTrapezoids, - ProcRenderTriangles, - ProcRenderTriStrip, - ProcRenderTriFan, - ProcRenderColorTrapezoids, - ProcRenderColorTriangles, - ProcRenderTransform, - ProcRenderCreateGlyphSet, - ProcRenderReferenceGlyphSet, - ProcRenderFreeGlyphSet, - ProcRenderAddGlyphs, - ProcRenderAddGlyphsFromPicture, - ProcRenderFreeGlyphs, - ProcRenderCompositeGlyphs, - ProcRenderCompositeGlyphs, - ProcRenderCompositeGlyphs, - ProcRenderFillRectangles, - ProcRenderCreateCursor, - ProcRenderSetPictureTransform, - ProcRenderQueryFilters, - ProcRenderSetPictureFilter, - ProcRenderCreateAnimCursor, -}; - -int (*SProcRenderVector[RenderNumberRequests])(ClientPtr) = { - SProcRenderQueryVersion, - SProcRenderQueryPictFormats, - SProcRenderQueryPictIndexValues, - SProcRenderQueryDithers, - SProcRenderCreatePicture, - SProcRenderChangePicture, - SProcRenderSetPictureClipRectangles, - SProcRenderFreePicture, - SProcRenderComposite, - SProcRenderScale, - SProcRenderTrapezoids, - SProcRenderTriangles, - SProcRenderTriStrip, - SProcRenderTriFan, - SProcRenderColorTrapezoids, - SProcRenderColorTriangles, - SProcRenderTransform, - SProcRenderCreateGlyphSet, - SProcRenderReferenceGlyphSet, - SProcRenderFreeGlyphSet, - SProcRenderAddGlyphs, - SProcRenderAddGlyphsFromPicture, - SProcRenderFreeGlyphs, - SProcRenderCompositeGlyphs, - SProcRenderCompositeGlyphs, - SProcRenderCompositeGlyphs, - SProcRenderFillRectangles, - SProcRenderCreateCursor, - SProcRenderSetPictureTransform, - SProcRenderQueryFilters, - SProcRenderSetPictureFilter, - SProcRenderCreateAnimCursor, -}; - -static void -RenderResetProc (ExtensionEntry *extEntry); - -static CARD8 RenderReqCode; -int RenderErrBase; -int RenderClientPrivateIndex; - -typedef struct _RenderClient { - int major_version; - int minor_version; -} RenderClientRec, *RenderClientPtr; - -#define GetRenderClient(pClient) ((RenderClientPtr) (pClient)->devPrivates[RenderClientPrivateIndex].ptr) - -static void -RenderClientCallback (CallbackListPtr *list, - pointer closure, - pointer data) -{ - NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; - ClientPtr pClient = clientinfo->client; - RenderClientPtr pRenderClient = GetRenderClient (pClient); - - pRenderClient->major_version = 0; - pRenderClient->minor_version = 0; -} - -void -RenderExtensionInit (void) -{ - ExtensionEntry *extEntry; - - if (!PictureType) - return; - if (!PictureFinishInit ()) - return; - RenderClientPrivateIndex = AllocateClientPrivateIndex (); - if (!AllocateClientPrivate (RenderClientPrivateIndex, - sizeof (RenderClientRec))) - return; - if (!AddCallback (&ClientStateCallback, RenderClientCallback, 0)) - return; - - extEntry = AddExtension (RENDER_NAME, 0, RenderNumberErrors, - ProcRenderDispatch, SProcRenderDispatch, - RenderResetProc, StandardMinorOpcode); - if (!extEntry) - return; - RenderReqCode = (CARD8) extEntry->base; - RenderErrBase = extEntry->errorBase; -} - -static void -RenderResetProc (ExtensionEntry *extEntry) -{ -} - -static int -ProcRenderQueryVersion (ClientPtr client) -{ - RenderClientPtr pRenderClient = GetRenderClient (client); - xRenderQueryVersionReply rep; - register int n; - REQUEST(xRenderQueryVersionReq); - - pRenderClient->major_version = stuff->majorVersion; - pRenderClient->minor_version = stuff->minorVersion; - - REQUEST_SIZE_MATCH(xRenderQueryVersionReq); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.majorVersion = nxagentRenderVersionMajor; - rep.minorVersion = nxagentRenderVersionMinor; - if (client->swapped) { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swapl(&rep.majorVersion, n); - swapl(&rep.minorVersion, n); - } - WriteToClient(client, sizeof(xRenderQueryVersionReply), (char *)&rep); - return (client->noClientException); -} - -#if 0 -static int -VisualDepth (ScreenPtr pScreen, VisualPtr pVisual) -{ - DepthPtr pDepth; - int d, v; - - for (d = 0; d < pScreen->numDepths; d++) - { - pDepth = pScreen->allowedDepths + d; - for (v = 0; v < pDepth->numVids; v++) - { - if (pDepth->vids[v] == pVisual->vid) - return pDepth->depth; - } - } - return 0; -} -#endif - -static VisualPtr -findVisual (ScreenPtr pScreen, VisualID vid) -{ - VisualPtr pVisual; - int v; - - for (v = 0; v < pScreen->numVisuals; v++) - { - pVisual = pScreen->visuals + v; - if (pVisual->vid == vid) - return pVisual; - } - return 0; -} - -extern char *ConnectionInfo; - -static int -ProcRenderQueryPictFormats (ClientPtr client) -{ - RenderClientPtr pRenderClient = GetRenderClient (client); - xRenderQueryPictFormatsReply *reply; - xPictScreen *pictScreen; - xPictDepth *pictDepth; - xPictVisual *pictVisual; - xPictFormInfo *pictForm; - CARD32 *pictSubpixel; - ScreenPtr pScreen; - VisualPtr pVisual; - DepthPtr pDepth; - int v, d; - PictureScreenPtr ps; - PictFormatPtr pFormat; - int nformat; - int ndepth; - int nvisual; - int rlength; - int s; - int n; - int numScreens; - int numSubpixel; - - extern int nxagentAlphaEnabled; -/* REQUEST(xRenderQueryPictFormatsReq); */ - - REQUEST_SIZE_MATCH(xRenderQueryPictFormatsReq); - -#ifdef PANORAMIX - if (noPanoramiXExtension) - numScreens = screenInfo.numScreens; - else - numScreens = ((xConnSetup *)ConnectionInfo)->numRoots; -#else - numScreens = screenInfo.numScreens; -#endif - ndepth = nformat = nvisual = 0; - for (s = 0; s < numScreens; s++) - { - pScreen = screenInfo.screens[s]; - for (d = 0; d < pScreen->numDepths; d++) - { - pDepth = pScreen->allowedDepths + d; - ++ndepth; - - for (v = 0; v < pDepth->numVids; v++) - { - pVisual = findVisual (pScreen, pDepth->vids[v]); - if (pVisual && PictureMatchVisual (pScreen, pDepth->depth, pVisual)) - ++nvisual; - } - } - ps = GetPictureScreenIfSet(pScreen); - if (ps) - nformat += ps->nformats; - } - if (pRenderClient->major_version == 0 && pRenderClient->minor_version < 6) - numSubpixel = 0; - else - numSubpixel = numScreens; - - rlength = (sizeof (xRenderQueryPictFormatsReply) + - nformat * sizeof (xPictFormInfo) + - numScreens * sizeof (xPictScreen) + - ndepth * sizeof (xPictDepth) + - nvisual * sizeof (xPictVisual) + - numSubpixel * sizeof (CARD32)); - reply = (xRenderQueryPictFormatsReply *) xalloc (rlength); - if (!reply) - return BadAlloc; - reply->type = X_Reply; - reply->sequenceNumber = client->sequence; - reply->length = (rlength - sizeof(xGenericReply)) >> 2; - reply->numFormats = nformat; - reply->numScreens = numScreens; - reply->numDepths = ndepth; - reply->numVisuals = nvisual; - reply->numSubpixel = numSubpixel; - - pictForm = (xPictFormInfo *) (reply + 1); - - for (s = 0; s < numScreens; s++) - { - pScreen = screenInfo.screens[s]; - ps = GetPictureScreenIfSet(pScreen); - if (ps) - { - for (nformat = 0, pFormat = ps->formats; - nformat < ps->nformats; - nformat++, pFormat++) - { - pictForm->id = pFormat->id; - pictForm->type = pFormat->type; - pictForm->depth = pFormat->depth; - pictForm->direct.red = pFormat->direct.red; - pictForm->direct.redMask = pFormat->direct.redMask; - pictForm->direct.green = pFormat->direct.green; - pictForm->direct.greenMask = pFormat->direct.greenMask; - pictForm->direct.blue = pFormat->direct.blue; - pictForm->direct.blueMask = pFormat->direct.blueMask; - pictForm->direct.alpha = nxagentAlphaEnabled ? pFormat->direct.alpha : 0; - pictForm->direct.alphaMask = pFormat->direct.alphaMask; - if (pFormat->type == PictTypeIndexed && pFormat->index.pColormap) - pictForm->colormap = pFormat->index.pColormap->mid; - else - pictForm->colormap = None; - if (client->swapped) - { - swapl (&pictForm->id, n); - swaps (&pictForm->direct.red, n); - swaps (&pictForm->direct.redMask, n); - swaps (&pictForm->direct.green, n); - swaps (&pictForm->direct.greenMask, n); - swaps (&pictForm->direct.blue, n); - swaps (&pictForm->direct.blueMask, n); - swaps (&pictForm->direct.alpha, n); - swaps (&pictForm->direct.alphaMask, n); - swapl (&pictForm->colormap, n); - } - pictForm++; - } - } - } - - pictScreen = (xPictScreen *) pictForm; - for (s = 0; s < numScreens; s++) - { - pScreen = screenInfo.screens[s]; - pictDepth = (xPictDepth *) (pictScreen + 1); - ndepth = 0; - for (d = 0; d < pScreen->numDepths; d++) - { - pictVisual = (xPictVisual *) (pictDepth + 1); - pDepth = pScreen->allowedDepths + d; - - nvisual = 0; - for (v = 0; v < pDepth->numVids; v++) - { - pVisual = findVisual (pScreen, pDepth->vids[v]); - if (pVisual && (pFormat = PictureMatchVisual (pScreen, - pDepth->depth, - pVisual))) - { - pictVisual->visual = pVisual->vid; - pictVisual->format = pFormat->id; - if (client->swapped) - { - swapl (&pictVisual->visual, n); - swapl (&pictVisual->format, n); - } - pictVisual++; - nvisual++; - } - } - pictDepth->depth = pDepth->depth; - pictDepth->nPictVisuals = nvisual; - if (client->swapped) - { - swaps (&pictDepth->nPictVisuals, n); - } - ndepth++; - pictDepth = (xPictDepth *) pictVisual; - } - pictScreen->nDepth = ndepth; - ps = GetPictureScreenIfSet(pScreen); - if (ps) - pictScreen->fallback = ps->fallback->id; - else - pictScreen->fallback = 0; - if (client->swapped) - { - swapl (&pictScreen->nDepth, n); - swapl (&pictScreen->fallback, n); - } - pictScreen = (xPictScreen *) pictDepth; - } - pictSubpixel = (CARD32 *) pictScreen; - - for (s = 0; s < numSubpixel; s++) - { - pScreen = screenInfo.screens[s]; - ps = GetPictureScreenIfSet(pScreen); - if (ps) - *pictSubpixel = ps->subpixel; - else - *pictSubpixel = SubPixelUnknown; - if (client->swapped) - { - swapl (pictSubpixel, n); - } - ++pictSubpixel; - } - - if (client->swapped) - { - swaps (&reply->sequenceNumber, n); - swapl (&reply->length, n); - swapl (&reply->numFormats, n); - swapl (&reply->numScreens, n); - swapl (&reply->numDepths, n); - swapl (&reply->numVisuals, n); - swapl (&reply->numSubpixel, n); - } - WriteToClient(client, rlength, (char *) reply); - xfree (reply); - return client->noClientException; -} - -static int -ProcRenderQueryPictIndexValues (ClientPtr client) -{ - PictFormatPtr pFormat; - int num; - int rlength; - int i, n; - REQUEST(xRenderQueryPictIndexValuesReq); - xRenderQueryPictIndexValuesReply *reply; - xIndexValue *values; - - REQUEST_AT_LEAST_SIZE(xRenderQueryPictIndexValuesReq); - - pFormat = (PictFormatPtr) SecurityLookupIDByType (client, - stuff->format, - PictFormatType, - SecurityReadAccess); - - if (!pFormat) - { - client->errorValue = stuff->format; - return RenderErrBase + BadPictFormat; - } - if (pFormat->type != PictTypeIndexed) - { - client->errorValue = stuff->format; - return BadMatch; - } - num = pFormat->index.nvalues; - rlength = (sizeof (xRenderQueryPictIndexValuesReply) + - num * sizeof(xIndexValue)); - reply = (xRenderQueryPictIndexValuesReply *) xalloc (rlength); - if (!reply) - return BadAlloc; - - reply->type = X_Reply; - reply->sequenceNumber = client->sequence; - reply->length = (rlength - sizeof(xGenericReply)) >> 2; - reply->numIndexValues = num; - - values = (xIndexValue *) (reply + 1); - - memcpy (reply + 1, pFormat->index.pValues, num * sizeof (xIndexValue)); - - if (client->swapped) - { - for (i = 0; i < num; i++) - { - swapl (&values[i].pixel, n); - swaps (&values[i].red, n); - swaps (&values[i].green, n); - swaps (&values[i].blue, n); - swaps (&values[i].alpha, n); - } - swaps (&reply->sequenceNumber, n); - swapl (&reply->length, n); - swapl (&reply->numIndexValues, n); - } - - WriteToClient(client, rlength, (char *) reply); - xfree(reply); - return (client->noClientException); -} - -static int -ProcRenderQueryDithers (ClientPtr client) -{ - return BadImplementation; -} - -static int -ProcRenderCreatePicture (ClientPtr client) -{ - PicturePtr pPicture; - DrawablePtr pDrawable; - PictFormatPtr pFormat; - int len; - int error; - REQUEST(xRenderCreatePictureReq); - - REQUEST_AT_LEAST_SIZE(xRenderCreatePictureReq); - - LEGAL_NEW_RESOURCE(stuff->pid, client); - SECURITY_VERIFY_DRAWABLE(pDrawable, stuff->drawable, client, - SecurityWriteAccess); - pFormat = (PictFormatPtr) SecurityLookupIDByType (client, - stuff->format, - PictFormatType, - SecurityReadAccess); - if (!pFormat) - { - client->errorValue = stuff->format; - return RenderErrBase + BadPictFormat; - } - if (pFormat->depth != pDrawable->depth) - return BadMatch; - len = client->req_len - (sizeof(xRenderCreatePictureReq) >> 2); - if (Ones(stuff->mask) != len) - return BadLength; - - pPicture = CreatePicture (stuff->pid, - pDrawable, - pFormat, - stuff->mask, - (XID *) (stuff + 1), - client, - &error); - if (!pPicture) - return error; - nxagentCreatePicture(pPicture, stuff -> mask); - - if (!AddResource (stuff->pid, PictureType, (pointer)pPicture)) - return BadAlloc; - return Success; -} - -static int -ProcRenderChangePicture (ClientPtr client) -{ - PicturePtr pPicture; - REQUEST(xRenderChangePictureReq); - int len; - int error; - - REQUEST_AT_LEAST_SIZE(xRenderChangePictureReq); - VERIFY_PICTURE (pPicture, stuff->picture, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - len = client->req_len - (sizeof(xRenderChangePictureReq) >> 2); - if (Ones(stuff->mask) != len) - return BadLength; - - error = ChangePicture (pPicture, stuff->mask, (XID *) (stuff + 1), - (DevUnion *) 0, client); - - nxagentChangePicture(pPicture, stuff->mask); - - return error; -} - -static int -ProcRenderSetPictureClipRectangles (ClientPtr client) -{ - REQUEST(xRenderSetPictureClipRectanglesReq); - PicturePtr pPicture; - int nr; - int result; - - REQUEST_AT_LEAST_SIZE(xRenderSetPictureClipRectanglesReq); - VERIFY_PICTURE (pPicture, stuff->picture, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - /* - * The original code used sizeof(xRenderChangePictureReq). - * This was harmless, as both structures have the same size. - * - * nr = (client->req_len << 2) - sizeof(xRenderChangePictureReq); - */ - nr = (client->req_len << 2) - sizeof(xRenderSetPictureClipRectanglesReq); - if (nr & 4) - return BadLength; - nr >>= 3; - result = SetPictureClipRects (pPicture, - stuff->xOrigin, stuff->yOrigin, - nr, (xRectangle *) &stuff[1]); - nxagentChangePictureClip (pPicture, - CT_NONE, - nr, - (xRectangle *) &stuff[1], - (int)stuff -> xOrigin, - (int)stuff -> yOrigin); - - if (client->noClientException != Success) - return(client->noClientException); - else - return(result); -} - -static int -ProcRenderFreePicture (ClientPtr client) -{ - PicturePtr pPicture; - REQUEST(xRenderFreePictureReq); - - REQUEST_SIZE_MATCH(xRenderFreePictureReq); - - VERIFY_PICTURE (pPicture, stuff->picture, client, SecurityDestroyAccess, - RenderErrBase + BadPicture); - - nxagentDestroyPicture(pPicture); - - FreeResource (stuff->picture, RT_NONE); - return(client->noClientException); -} - -static Bool -PictOpValid (CARD8 op) -{ - if (/*PictOpMinimum <= op && */ op <= PictOpMaximum) - return TRUE; - if (PictOpDisjointMinimum <= op && op <= PictOpDisjointMaximum) - return TRUE; - if (PictOpConjointMinimum <= op && op <= PictOpConjointMaximum) - return TRUE; - return FALSE; -} - -/* - * Check if both pictures have drawables which are - * virtual pixmaps. See the corresponding define - * in NXpicture.c - */ - -#define NXAGENT_PICTURE_ALWAYS_POINTS_TO_VIRTUAL - -#ifdef NXAGENT_PICTURE_ALWAYS_POINTS_TO_VIRTUAL - -#define nxagentCompositePredicate(pSrc, pDst) TRUE - -#else - -/* - * This is still under development. The final - * goal is to let pictures point to the real - * pixmaps instead of pointing to virtuals. - */ - -int nxagentCompositePredicate(PicturePtr pSrc, PicturePtr pDst) -{ - PixmapPtr pPixmap1; - PixmapPtr pPixmap2; - - pPixmap1 = (pSrc -> pDrawable -> type == DRAWABLE_PIXMAP ? - ((PixmapPtr) pSrc -> pDrawable) : NULL); - - pPixmap2 = (pDst -> pDrawable -> type == DRAWABLE_PIXMAP ? - ((PixmapPtr) pDst -> pDrawable) : NULL); - - if (pPixmap1 == NULL || pPixmap2 == NULL) - { - #ifdef TEST - fprintf(stderr, "nxagentCompositePredicate: Case 0.\n"); - #endif - - return FALSE; - } - else - { - #ifdef TEST - fprintf(stderr, "nxagentCompositePredicate: Case 1.\n"); - #endif - - if (nxagentPixmapIsVirtual(pPixmap1) == 1 && - nxagentPixmapIsVirtual(pPixmap2) == 1) - { - #ifdef TEST - fprintf(stderr, "nxagentCompositePredicate: Case 2.\n"); - #endif - - return TRUE; - } - } - - #ifdef TEST - fprintf(stderr, "nxagentCompositePredicate: Case 3.\n"); - #endif - - return FALSE; -} - -#endif - -static int -ProcRenderComposite (ClientPtr client) -{ - PicturePtr pSrc, pMask, pDst; - REQUEST(xRenderCompositeReq); - - REQUEST_SIZE_MATCH(xRenderCompositeReq); - if (!PictOpValid (stuff->op)) - { - client->errorValue = stuff->op; - return BadValue; - } - VERIFY_PICTURE (pSrc, stuff->src, client, SecurityReadAccess, - RenderErrBase + BadPicture); - VERIFY_ALPHA (pMask, stuff->mask, client, SecurityReadAccess, - RenderErrBase + BadPicture); - VERIFY_PICTURE (pDst, stuff->dst, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - if (pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen || - (pMask && pSrc->pDrawable->pScreen != pMask->pDrawable->pScreen)) - return BadMatch; - - ValidatePicture (pSrc); - if (pMask) - ValidatePicture (pMask); - ValidatePicture (pDst); - - #ifdef NXAGENT_PICTURE_ALWAYS_POINTS_TO_VIRTUAL - - if (nxagentCompositePredicate(pSrc, pDst)) - { - #ifdef TEST - fprintf(stderr, "ProcRenderComposite: Going to composite with " - "source at [%p] mask at [%p] and destination at [%p].\n", - (void *) pSrc, (void *) pMask, (void *) pDst); - #endif - - CompositePicture (stuff->op, - pSrc, - pMask, - pDst, - stuff->xSrc, - stuff->ySrc, - stuff->xMask, - stuff->yMask, - stuff->xDst, - stuff->yDst, - stuff->width, - stuff->height); - } - - #else - - if (pSrc -> pDrawable -> type == DRAWABLE_PIXMAP && - pDst -> pDrawable -> type == DRAWABLE_PIXMAP && - (!pMask || pMask -> pDrawable -> type == DRAWABLE_PIXMAP)) - { - PixmapPtr pVirtualPixmapSrc; - PixmapPtr pVirtualPixmapDst; - PixmapPtr pVirtualPixmapMask; - - PicturePtr pVirtualPictureSrc; - PicturePtr pVirtualPictureDst; - PicturePtr pVirtualPictureMask; - - pVirtualPixmapSrc = (PixmapPtr) pSrc -> pDrawable; - pVirtualPictureSrc = nxagentPixmapPriv(pVirtualPixmapSrc) -> pPicture; - - pVirtualPixmapDst = (PixmapPtr) pDst -> pDrawable; - pVirtualPictureDst = nxagentPixmapPriv(pVirtualPixmapDst) -> pPicture; - - if (pMask) - { - pVirtualPixmapMask = (PixmapPtr) pMask -> pDrawable; - pVirtualPictureMask = nxagentPixmapPriv(pVirtualPixmapMask) -> pPicture; - } - else - { - pVirtualPixmapMask = NULL; - pVirtualPictureMask = NULL; - } - - if (pVirtualPictureSrc && pVirtualPictureDst) - { - #ifdef TEST - fprintf(stderr, "ProcRenderComposite: Going to composite with " - "source at [%p] mask at [%p] and destination at [%p].\n", - (void *) pVirtualPixmapSrc, (void *) pVirtualPixmapMask, - (void *) pVirtualPixmapDst); - #endif - - CompositePicture (stuff->op, - pVirtualPictureSrc, - pVirtualPictureMask, - pVirtualPictureDst, - stuff->xSrc, - stuff->ySrc, - stuff->xMask, - stuff->yMask, - stuff->xDst, - stuff->yDst, - stuff->width, - stuff->height); - } - } - - #endif - - nxagentComposite (stuff -> op, - pSrc, - pMask, - pDst, - stuff -> xSrc, - stuff -> ySrc, - stuff -> xMask, - stuff -> yMask, - stuff -> xDst, - stuff -> yDst, - stuff -> width, - stuff -> height); - - return Success; -} - -static int -ProcRenderScale (ClientPtr client) -{ - return BadImplementation; -} - -static int -ProcRenderTrapezoids (ClientPtr client) -{ - int ntraps; - PicturePtr pSrc, pDst; - PictFormatPtr pFormat; - REQUEST(xRenderTrapezoidsReq); - - REQUEST_AT_LEAST_SIZE(xRenderTrapezoidsReq); - if (!PictOpValid (stuff->op)) - { - client->errorValue = stuff->op; - return BadValue; - } - VERIFY_PICTURE (pSrc, stuff->src, client, SecurityReadAccess, - RenderErrBase + BadPicture); - VERIFY_PICTURE (pDst, stuff->dst, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - if (pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) - return BadMatch; - if (stuff->maskFormat) - { - pFormat = (PictFormatPtr) SecurityLookupIDByType (client, - stuff->maskFormat, - PictFormatType, - SecurityReadAccess); - if (!pFormat) - { - client->errorValue = stuff->maskFormat; - return RenderErrBase + BadPictFormat; - } - } - else - pFormat = 0; - ntraps = (client->req_len << 2) - sizeof (xRenderTrapezoidsReq); - if (ntraps % sizeof (xTrapezoid)) - return BadLength; - ntraps /= sizeof (xTrapezoid); - if (ntraps) - { - if (nxagentCompositePredicate(pSrc, pDst)) - { - CompositeTrapezoids (stuff->op, pSrc, pDst, pFormat, - stuff->xSrc, stuff->ySrc, - ntraps, (xTrapezoid *) &stuff[1]); - } - - nxagentTrapezoids (stuff->op, pSrc, pDst, pFormat, - stuff->xSrc, stuff->ySrc, - ntraps, (xTrapezoid *) &stuff[1]); - } - - return client->noClientException; -} - -static int -ProcRenderTriangles (ClientPtr client) -{ - int ntris; - PicturePtr pSrc, pDst; - PictFormatPtr pFormat; - REQUEST(xRenderTrianglesReq); - - REQUEST_AT_LEAST_SIZE(xRenderTrianglesReq); - if (!PictOpValid (stuff->op)) - { - client->errorValue = stuff->op; - return BadValue; - } - VERIFY_PICTURE (pSrc, stuff->src, client, SecurityReadAccess, - RenderErrBase + BadPicture); - VERIFY_PICTURE (pDst, stuff->dst, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - if (pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) - return BadMatch; - if (stuff->maskFormat) - { - pFormat = (PictFormatPtr) SecurityLookupIDByType (client, - stuff->maskFormat, - PictFormatType, - SecurityReadAccess); - if (!pFormat) - { - client->errorValue = stuff->maskFormat; - return RenderErrBase + BadPictFormat; - } - } - else - pFormat = 0; - ntris = (client->req_len << 2) - sizeof (xRenderTrianglesReq); - if (ntris % sizeof (xTriangle)) - return BadLength; - ntris /= sizeof (xTriangle); - if (ntris) - CompositeTriangles (stuff->op, pSrc, pDst, pFormat, - stuff->xSrc, stuff->ySrc, - ntris, (xTriangle *) &stuff[1]); - return client->noClientException; -} - -static int -ProcRenderTriStrip (ClientPtr client) -{ - int npoints; - PicturePtr pSrc, pDst; - PictFormatPtr pFormat; - REQUEST(xRenderTrianglesReq); - - REQUEST_AT_LEAST_SIZE(xRenderTrianglesReq); - if (!PictOpValid (stuff->op)) - { - client->errorValue = stuff->op; - return BadValue; - } - VERIFY_PICTURE (pSrc, stuff->src, client, SecurityReadAccess, - RenderErrBase + BadPicture); - VERIFY_PICTURE (pDst, stuff->dst, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - if (pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) - return BadMatch; - if (stuff->maskFormat) - { - pFormat = (PictFormatPtr) SecurityLookupIDByType (client, - stuff->maskFormat, - PictFormatType, - SecurityReadAccess); - if (!pFormat) - { - client->errorValue = stuff->maskFormat; - return RenderErrBase + BadPictFormat; - } - } - else - pFormat = 0; - npoints = ((client->req_len << 2) - sizeof (xRenderTriStripReq)); - if (npoints & 4) - return(BadLength); - npoints >>= 3; - if (npoints >= 3) - CompositeTriStrip (stuff->op, pSrc, pDst, pFormat, - stuff->xSrc, stuff->ySrc, - npoints, (xPointFixed *) &stuff[1]); - return client->noClientException; -} - -static int -ProcRenderTriFan (ClientPtr client) -{ - int npoints; - PicturePtr pSrc, pDst; - PictFormatPtr pFormat; - REQUEST(xRenderTrianglesReq); - - REQUEST_AT_LEAST_SIZE(xRenderTrianglesReq); - if (!PictOpValid (stuff->op)) - { - client->errorValue = stuff->op; - return BadValue; - } - VERIFY_PICTURE (pSrc, stuff->src, client, SecurityReadAccess, - RenderErrBase + BadPicture); - VERIFY_PICTURE (pDst, stuff->dst, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - if (pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) - return BadMatch; - if (stuff->maskFormat) - { - pFormat = (PictFormatPtr) SecurityLookupIDByType (client, - stuff->maskFormat, - PictFormatType, - SecurityReadAccess); - if (!pFormat) - { - client->errorValue = stuff->maskFormat; - return RenderErrBase + BadPictFormat; - } - } - else - pFormat = 0; - npoints = ((client->req_len << 2) - sizeof (xRenderTriStripReq)); - if (npoints & 4) - return(BadLength); - npoints >>= 3; - if (npoints >= 3) - CompositeTriFan (stuff->op, pSrc, pDst, pFormat, - stuff->xSrc, stuff->ySrc, - npoints, (xPointFixed *) &stuff[1]); - return client->noClientException; -} - -static int -ProcRenderColorTrapezoids (ClientPtr client) -{ - return BadImplementation; -} - -static int -ProcRenderColorTriangles (ClientPtr client) -{ - return BadImplementation; -} - -static int -ProcRenderTransform (ClientPtr client) -{ - return BadImplementation; -} - -static int -ProcRenderCreateGlyphSet (ClientPtr client) -{ - GlyphSetPtr glyphSet; - PictFormatPtr format; - int f; - REQUEST(xRenderCreateGlyphSetReq); - - REQUEST_SIZE_MATCH(xRenderCreateGlyphSetReq); - - LEGAL_NEW_RESOURCE(stuff->gsid, client); - format = (PictFormatPtr) SecurityLookupIDByType (client, - stuff->format, - PictFormatType, - SecurityReadAccess); - if (!format) - { - client->errorValue = stuff->format; - return RenderErrBase + BadPictFormat; - } - switch (format->depth) { - case 1: - f = GlyphFormat1; - break; - case 4: - f = GlyphFormat4; - break; - case 8: - f = GlyphFormat8; - break; - case 16: - f = GlyphFormat16; - break; - case 32: - f = GlyphFormat32; - break; - default: - return BadMatch; - } - if (format->type != PictTypeDirect) - return BadMatch; - glyphSet = AllocateGlyphSet (f, format); - if (!glyphSet) - return BadAlloc; - if (!AddResource (stuff->gsid, GlyphSetType, (pointer)glyphSet)) - return BadAlloc; - - nxagentCreateGlyphSet(glyphSet); - - return Success; -} - -static int -ProcRenderReferenceGlyphSet (ClientPtr client) -{ - GlyphSetPtr glyphSet; - REQUEST(xRenderReferenceGlyphSetReq); - - REQUEST_SIZE_MATCH(xRenderReferenceGlyphSetReq); - - LEGAL_NEW_RESOURCE(stuff->gsid, client); - - glyphSet = (GlyphSetPtr) SecurityLookupIDByType (client, - stuff->existing, - GlyphSetType, - SecurityWriteAccess); - if (!glyphSet) - { - client->errorValue = stuff->existing; - return RenderErrBase + BadGlyphSet; - } - glyphSet->refcnt++; - - nxagentReferenceGlyphSet(glyphSet); - - if (!AddResource (stuff->gsid, GlyphSetType, (pointer)glyphSet)) - return BadAlloc; - return client->noClientException; -} - -#define NLOCALDELTA 64 -#define NLOCALGLYPH 256 - -static int -ProcRenderFreeGlyphSet (ClientPtr client) -{ - GlyphSetPtr glyphSet; - REQUEST(xRenderFreeGlyphSetReq); - - REQUEST_SIZE_MATCH(xRenderFreeGlyphSetReq); - glyphSet = (GlyphSetPtr) SecurityLookupIDByType (client, - stuff->glyphset, - GlyphSetType, - SecurityDestroyAccess); - if (!glyphSet) - { - client->errorValue = stuff->glyphset; - return RenderErrBase + BadGlyphSet; - } - - nxagentFreeGlyphSet(glyphSet); - - FreeResource (stuff->glyphset, RT_NONE); - return client->noClientException; -} - -typedef struct _GlyphNew { - Glyph id; - GlyphPtr glyph; -} GlyphNewRec, *GlyphNewPtr; - -static int -ProcRenderAddGlyphs (ClientPtr client) -{ - GlyphSetPtr glyphSet; - REQUEST(xRenderAddGlyphsReq); - GlyphNewRec glyphsLocal[NLOCALGLYPH]; - GlyphNewPtr glyphsBase, glyphs; - GlyphPtr glyph = NULL; - int remain, nglyphs; - CARD32 *gids; - xGlyphInfo *gi; - CARD8 *bits; - int size; - int err = BadAlloc; - - int totSizeImages; - - REQUEST_AT_LEAST_SIZE(xRenderAddGlyphsReq); - glyphSet = (GlyphSetPtr) SecurityLookupIDByType (client, - stuff->glyphset, - GlyphSetType, - SecurityWriteAccess); - if (!glyphSet) - { - client->errorValue = stuff->glyphset; - return RenderErrBase + BadGlyphSet; - } - - nglyphs = stuff->nglyphs; - if (nglyphs <= NLOCALGLYPH) - glyphsBase = glyphsLocal; - else - { - glyphsBase = (GlyphNewPtr) ALLOCATE_LOCAL (nglyphs * sizeof (GlyphNewRec)); - if (!glyphsBase) - return BadAlloc; - } - - remain = (client->req_len << 2) - sizeof (xRenderAddGlyphsReq); - - glyphs = glyphsBase; - - totSizeImages = 0; - gids = (CARD32 *) (stuff + 1); - gi = (xGlyphInfo *) (gids + nglyphs); - bits = (CARD8 *) (gi + nglyphs); - remain -= (sizeof (CARD32) + sizeof (xGlyphInfo)) * nglyphs; - - while (remain >= 0 && nglyphs) - { - glyph = AllocateGlyph (gi, glyphSet->fdepth); - if (!glyph) - { - err = BadAlloc; - goto bail; - } - - glyphs->glyph = glyph; - glyphs->id = *gids; - - size = glyph->size - sizeof (xGlyphInfo); - if (remain < size) - break; - memcpy ((CARD8 *) (glyph + 1), bits, size); - - if (size & 3) - size += 4 - (size & 3); - bits += size; - totSizeImages += size; - remain -= size; - gi++; - gids++; - glyphs++; - nglyphs--; - } - - if (nglyphs || remain) - { - err = BadLength; - goto bail; - } - nglyphs = stuff->nglyphs; - if (!ResizeGlyphSet (glyphSet, nglyphs)) - { - err = BadAlloc; - goto bail; - } - glyphs = glyphsBase; - while (nglyphs--) - AddGlyph (glyphSet, glyphs->glyph, glyphs->id); - - if (glyphsBase != glyphsLocal) - DEALLOCATE_LOCAL (glyphsBase); - return client->noClientException; -bail: - while (glyphs != glyphsBase) - { - --glyphs; - xfree (glyphs->glyph); - } - if (glyphsBase != glyphsLocal) - DEALLOCATE_LOCAL (glyphsBase); - return err; -} - -static int -ProcRenderAddGlyphsFromPicture (ClientPtr client) -{ - return BadImplementation; -} - -static int -ProcRenderFreeGlyphs (ClientPtr client) -{ - REQUEST(xRenderFreeGlyphsReq); - GlyphSetPtr glyphSet; - int nglyph; - CARD32 *gids; - CARD32 glyph; - - REQUEST_AT_LEAST_SIZE(xRenderFreeGlyphsReq); - glyphSet = (GlyphSetPtr) SecurityLookupIDByType (client, - stuff->glyphset, - GlyphSetType, - SecurityWriteAccess); - if (!glyphSet) - { - client->errorValue = stuff->glyphset; - return RenderErrBase + BadGlyphSet; - } - nglyph = ((client->req_len << 2) - sizeof (xRenderFreeGlyphsReq)) >> 2; - gids = (CARD32 *) (stuff + 1); - - nxagentFreeGlyphs(glyphSet, gids, nglyph); - - while (nglyph-- > 0) - { - glyph = *gids++; - if (!DeleteGlyph (glyphSet, glyph)) - { - client->errorValue = glyph; - return RenderErrBase + BadGlyph; - } - } - return client->noClientException; -} - -typedef struct XGlyphElt8{ - GlyphSet glyphset; - _Xconst char *chars; - int nchars; - int xOff; - int yOff; -} XGlyphElt8; - -static int -ProcRenderCompositeGlyphs (ClientPtr client) -{ - GlyphSetPtr glyphSet; - GlyphSet gs; - PicturePtr pSrc, pDst; - PictFormatPtr pFormat; - GlyphListRec listsLocal[NLOCALDELTA]; - GlyphListPtr lists, listsBase; - GlyphPtr glyphsLocal[NLOCALGLYPH]; - Glyph glyph; - GlyphPtr *glyphs, *glyphsBase; - xGlyphElt *elt; - CARD8 *buffer, *end; - int nglyph; - int nlist; - int space; - int size; - int n; - - XGlyphElt8 *elements, *elementsBase; - - REQUEST(xRenderCompositeGlyphsReq); - - REQUEST_AT_LEAST_SIZE(xRenderCompositeGlyphsReq); - - switch (stuff->renderReqType) { - default: size = 1; break; - case X_RenderCompositeGlyphs16: size = 2; break; - case X_RenderCompositeGlyphs32: size = 4; break; - } - - if (!PictOpValid (stuff->op)) - { - client->errorValue = stuff->op; - return BadValue; - } - VERIFY_PICTURE (pSrc, stuff->src, client, SecurityReadAccess, - RenderErrBase + BadPicture); - VERIFY_PICTURE (pDst, stuff->dst, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - if (pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) - return BadMatch; - if (stuff->maskFormat) - { - pFormat = (PictFormatPtr) SecurityLookupIDByType (client, - stuff->maskFormat, - PictFormatType, - SecurityReadAccess); - if (!pFormat) - { - client->errorValue = stuff->maskFormat; - return RenderErrBase + BadPictFormat; - } - } - else - pFormat = 0; - - glyphSet = (GlyphSetPtr) SecurityLookupIDByType (client, - stuff->glyphset, - GlyphSetType, - SecurityReadAccess); - if (!glyphSet) - { - client->errorValue = stuff->glyphset; - return RenderErrBase + BadGlyphSet; - } - - buffer = (CARD8 *) (stuff + 1); - end = (CARD8 *) stuff + (client->req_len << 2); - nglyph = 0; - nlist = 0; - while (buffer + sizeof (xGlyphElt) < end) - { - elt = (xGlyphElt *) buffer; - buffer += sizeof (xGlyphElt); - - if (elt->len == 0xff) - { - buffer += 4; - } - else - { - nlist++; - nglyph += elt->len; - space = size * elt->len; - if (space & 3) - space += 4 - (space & 3); - buffer += space; - } - } - if (nglyph <= NLOCALGLYPH) - glyphsBase = glyphsLocal; - else - { - glyphsBase = (GlyphPtr *) ALLOCATE_LOCAL (nglyph * sizeof (GlyphPtr)); - if (!glyphsBase) - return BadAlloc; - } - if (nlist <= NLOCALDELTA) - listsBase = listsLocal; - else - { - listsBase = (GlyphListPtr) ALLOCATE_LOCAL (nlist * sizeof (GlyphListRec)); - if (!listsBase) - return BadAlloc; - } - - elementsBase = xalloc(nlist * sizeof(XGlyphElt8)); - if (!elementsBase) - return BadAlloc; - - buffer = (CARD8 *) (stuff + 1); - glyphs = glyphsBase; - lists = listsBase; - elements = elementsBase; - while (buffer + sizeof (xGlyphElt) < end) - { - elt = (xGlyphElt *) buffer; - buffer += sizeof (xGlyphElt); - - if (elt->len == 0xff) - { - #ifdef DEBUG - fprintf(stderr, "ProcRenderCompositeGlyphs: Glyphset change with base size [%d].\n", - size); - #endif - - if (buffer + sizeof (GlyphSet) < end) - { - gs = *(GlyphSet *) buffer; - glyphSet = (GlyphSetPtr) SecurityLookupIDByType (client, - gs, - GlyphSetType, - SecurityReadAccess); - if (!glyphSet) - { - client->errorValue = gs; - if (glyphsBase != glyphsLocal) - DEALLOCATE_LOCAL (glyphsBase); - if (listsBase != listsLocal) - DEALLOCATE_LOCAL (listsBase); - return RenderErrBase + BadGlyphSet; - } - } - buffer += 4; - } - else - { - lists->xOff = elt->deltax; - lists->yOff = elt->deltay; - lists->format = glyphSet->format; - lists->len = 0; - elements -> glyphset = glyphSet -> remoteID; - elements -> chars = (char *) buffer; - elements -> nchars = elt->len; - elements -> xOff = elt->deltax; - elements -> yOff = elt->deltay; - n = elt->len; - while (n--) - { - if (buffer + size <= end) - { - switch (size) { - case 1: - glyph = *((CARD8 *)buffer); break; - case 2: - glyph = *((CARD16 *)buffer); break; - case 4: - default: - glyph = *((CARD32 *)buffer); break; - } - if ((*glyphs = FindGlyph (glyphSet, glyph))) - { - lists->len++; - glyphs++; - } - } - buffer += size; - } - space = size * elt->len; - if (space & 3) - buffer += 4 - (space & 3); - lists++; - elements++; - } - } - if (buffer > end) - return BadLength; - - /* - * We need to know the glyphs extents to synchronize - * the drawables involved in the composite text ope- - * ration. Also we need to synchronize only the back- - * ground of the text we are going to render, so the - * operations on the framebuffer must be executed - * after the X requests. - */ - - if (pFormat != NULL) - { - nxagentGlyphsExtents = (BoxPtr) xalloc(sizeof(BoxRec)); - - miGlyphExtents(nlist, listsBase, glyphsBase, nxagentGlyphsExtents); - } - - nxagentGlyphs(stuff -> op, - pSrc, - pDst, - pFormat, - stuff -> xSrc, - stuff -> ySrc, - nlist, - elementsBase, - size, - glyphsBase); - - if (nxagentCompositePredicate(pSrc, pDst) == 1) - { - #ifdef TEST - fprintf(stderr, "ProcRenderCompositeGlyphs: Going to composite glyphs with " - "source at [%p] and destination at [%p].\n", - (void *) pSrc, (void *) pDst); - #endif - - CompositeGlyphs(stuff -> op, - pSrc, - pDst, - pFormat, - stuff -> xSrc, - stuff -> ySrc, - nlist, - listsBase, - glyphsBase); - } - - if (nxagentGlyphsExtents != NullBox) - { - xfree(nxagentGlyphsExtents); - - nxagentGlyphsExtents = NullBox; - } - - if (glyphsBase != glyphsLocal) - DEALLOCATE_LOCAL (glyphsBase); - if (listsBase != listsLocal) - DEALLOCATE_LOCAL (listsBase); - - xfree(elementsBase); - - return client->noClientException; -} - -static int -ProcRenderFillRectangles (ClientPtr client) -{ - PicturePtr pDst; - int things; - REQUEST(xRenderFillRectanglesReq); - - REQUEST_AT_LEAST_SIZE (xRenderFillRectanglesReq); - if (!PictOpValid (stuff->op)) - { - client->errorValue = stuff->op; - return BadValue; - } - VERIFY_PICTURE (pDst, stuff->dst, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - - things = (client->req_len << 2) - sizeof(xRenderFillRectanglesReq); - if (things & 4) - return(BadLength); - things >>= 3; - - CompositeRects (stuff->op, - pDst, - &stuff->color, - things, - (xRectangle *) &stuff[1]); - - ValidatePicture (pDst); - nxagentCompositeRects(stuff -> op, - pDst, - &stuff -> color, - things, - (xRectangle *) &stuff[1]); - - return client->noClientException; -} - -static void -SetBit (unsigned char *line, int x, int bit) -{ - unsigned char mask; - - if (screenInfo.bitmapBitOrder == LSBFirst) - mask = (1 << (x & 7)); - else - mask = (0x80 >> (x & 7)); - /* XXX assumes byte order is host byte order */ - line += (x >> 3); - if (bit) - *line |= mask; - else - *line &= ~mask; -} - -#define DITHER_DIM 2 - -static CARD32 orderedDither[DITHER_DIM][DITHER_DIM] = { - { 1, 3, }, - { 4, 2, }, -}; - -#define DITHER_SIZE ((sizeof orderedDither / sizeof orderedDither[0][0]) + 1) - -static int -ProcRenderCreateCursor (ClientPtr client) -{ - REQUEST(xRenderCreateCursorReq); - PicturePtr pSrc; - ScreenPtr pScreen; - unsigned short width, height; - CARD32 *argbbits, *argb; - unsigned char *srcbits, *srcline; - unsigned char *mskbits, *mskline; - int stride; - int x, y; - int nbytes_mono; - CursorMetricRec cm; - CursorPtr pCursor; - CARD32 twocolor[3]; - int ncolor; - - RealizeCursorProcPtr saveRealizeCursor; - - REQUEST_SIZE_MATCH (xRenderCreateCursorReq); - LEGAL_NEW_RESOURCE(stuff->cid, client); - - VERIFY_PICTURE (pSrc, stuff->src, client, SecurityReadAccess, - RenderErrBase + BadPicture); - pScreen = pSrc->pDrawable->pScreen; - width = pSrc->pDrawable->width; - height = pSrc->pDrawable->height; - if ( stuff->x > width - || stuff->y > height ) - return (BadMatch); - argbbits = xalloc (width * height * sizeof (CARD32)); - if (!argbbits) - return (BadAlloc); - - stride = BitmapBytePad(width); - nbytes_mono = stride*height; - srcbits = (unsigned char *)xalloc(nbytes_mono); - if (!srcbits) - { - xfree (argbbits); - return (BadAlloc); - } - mskbits = (unsigned char *)xalloc(nbytes_mono); - if (!mskbits) - { - xfree(argbbits); - xfree(srcbits); - return (BadAlloc); - } - bzero ((char *) mskbits, nbytes_mono); - bzero ((char *) srcbits, nbytes_mono); - - if (pSrc->format == PICT_a8r8g8b8) - { - (*pScreen->GetImage) (pSrc->pDrawable, - 0, 0, width, height, ZPixmap, - 0xffffffff, (pointer) argbbits); - } - else - { - PixmapPtr pPixmap; - PicturePtr pPicture; - PictFormatPtr pFormat; - int error; - - pFormat = PictureMatchFormat (pScreen, 32, PICT_a8r8g8b8); - if (!pFormat) - { - xfree (argbbits); - xfree (srcbits); - xfree (mskbits); - return (BadImplementation); - } - pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, 32); - if (!pPixmap) - { - xfree (argbbits); - xfree (srcbits); - xfree (mskbits); - return (BadAlloc); - } - pPicture = CreatePicture (0, &pPixmap->drawable, pFormat, 0, 0, - client, &error); - if (!pPicture) - { - xfree (argbbits); - xfree (srcbits); - xfree (mskbits); - return error; - } - (*pScreen->DestroyPixmap) (pPixmap); - CompositePicture (PictOpSrc, - pSrc, 0, pPicture, - 0, 0, 0, 0, 0, 0, width, height); - (*pScreen->GetImage) (pPicture->pDrawable, - 0, 0, width, height, ZPixmap, - 0xffffffff, (pointer) argbbits); - FreePicture (pPicture, 0); - } - /* - * Check whether the cursor can be directly supported by - * the core cursor code - */ - ncolor = 0; - argb = argbbits; - for (y = 0; ncolor <= 2 && y < height; y++) - { - for (x = 0; ncolor <= 2 && x < width; x++) - { - CARD32 p = *argb++; - CARD32 a = (p >> 24); - - if (a == 0) /* transparent */ - continue; - if (a == 0xff) /* opaque */ - { - int n; - for (n = 0; n < ncolor; n++) - if (p == twocolor[n]) - break; - if (n == ncolor) - twocolor[ncolor++] = p; - } - else - ncolor = 3; - } - } - - /* - * Convert argb image to two plane cursor - */ - srcline = srcbits; - mskline = mskbits; - argb = argbbits; - for (y = 0; y < height; y++) - { - for (x = 0; x < width; x++) - { - CARD32 p = *argb++; - - if (ncolor <= 2) - { - CARD32 a = ((p >> 24)); - - SetBit (mskline, x, a != 0); - SetBit (srcline, x, a != 0 && p == twocolor[0]); - } - else - { - CARD32 a = ((p >> 24) * DITHER_SIZE + 127) / 255; - CARD32 i = ((CvtR8G8B8toY15(p) >> 7) * DITHER_SIZE + 127) / 255; - CARD32 d = orderedDither[y&(DITHER_DIM-1)][x&(DITHER_DIM-1)]; - /* Set mask from dithered alpha value */ - SetBit(mskline, x, a > d); - /* Set src from dithered intensity value */ - SetBit(srcline, x, a > d && i <= d); - } - } - srcline += stride; - mskline += stride; - } - /* - * Dither to white and black if the cursor has more than two colors - */ - if (ncolor > 2) - { - twocolor[0] = 0xff000000; - twocolor[1] = 0xffffffff; - } - else - { - xfree (argbbits); - argbbits = 0; - } - -#define GetByte(p,s) (((p) >> (s)) & 0xff) -#define GetColor(p,s) (GetByte(p,s) | (GetByte(p,s) << 8)) - - cm.width = width; - cm.height = height; - cm.xhot = stuff->x; - cm.yhot = stuff->y; - - /* - * This cursor uses RENDER, so we make sure - * that it is allocated in a way that allows - * the mi and dix layers to handle it but we - * later create it on the server by mirror- - * ing the RENDER operation we got from the - * client. - */ - - saveRealizeCursor = pScreen -> RealizeCursor; - - pScreen -> RealizeCursor = nxagentCursorSaveRenderInfo; - - pCursor = AllocCursorARGB (srcbits, mskbits, argbbits, &cm, - GetColor(twocolor[0], 16), - GetColor(twocolor[0], 8), - GetColor(twocolor[0], 0), - GetColor(twocolor[1], 16), - GetColor(twocolor[1], 8), - GetColor(twocolor[1], 0)); - - pScreen -> RealizeCursor = saveRealizeCursor; - - /* - * Store into the private data members the - * information needed to recreate it at - * reconnection. This is done in two steps - * as in the first step we don't have the - * picture info. - */ - - if (pCursor == NULL) - { - return BadAlloc; - } - - nxagentCursorPostSaveRenderInfo(pCursor, pScreen, pSrc, stuff -> x, stuff -> y); - - nxagentRenderRealizeCursor(pScreen, pCursor); - - if (AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor)) - return (client->noClientException); - return BadAlloc; -} - -static int -ProcRenderSetPictureTransform (ClientPtr client) -{ - REQUEST(xRenderSetPictureTransformReq); - PicturePtr pPicture; - int result; - - REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq); - VERIFY_PICTURE (pPicture, stuff->picture, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - result = SetPictureTransform (pPicture, (PictTransform *) &stuff->transform); - - nxagentSetPictureTransform(pPicture, &stuff->transform); - - if (client->noClientException != Success) - return(client->noClientException); - else - return(result); -} - -static int -ProcRenderQueryFilters (ClientPtr client) -{ - REQUEST (xRenderQueryFiltersReq); - DrawablePtr pDrawable; - xRenderQueryFiltersReply *reply; - int nbytesName; - int nnames; - ScreenPtr pScreen; - PictureScreenPtr ps; - int i, j; - int len; - int total_bytes; - INT16 *aliases; - char *names; - - REQUEST_SIZE_MATCH(xRenderQueryFiltersReq); - SECURITY_VERIFY_DRAWABLE(pDrawable, stuff->drawable, client, SecurityReadAccess); - - pScreen = pDrawable->pScreen; - nbytesName = 0; - nnames = 0; - ps = GetPictureScreenIfSet(pScreen); - if (ps) - { - for (i = 0; i < ps->nfilters; i++) - nbytesName += 1 + strlen (ps->filters[i].name); - for (i = 0; i < ps->nfilterAliases; i++) - nbytesName += 1 + strlen (ps->filterAliases[i].alias); - nnames = ps->nfilters + ps->nfilterAliases; - } - len = ((nnames + 1) >> 1) + ((nbytesName + 3) >> 2); - total_bytes = sizeof (xRenderQueryFiltersReply) + (len << 2); - reply = (xRenderQueryFiltersReply *) xalloc (total_bytes); - if (!reply) - return BadAlloc; - aliases = (INT16 *) (reply + 1); - names = (char *) (aliases + ((nnames + 1) & ~1)); - - reply->type = X_Reply; - reply->sequenceNumber = client->sequence; - reply->length = len; - reply->numAliases = nnames; - reply->numFilters = nnames; - if (ps) - { - - /* fill in alias values */ - for (i = 0; i < ps->nfilters; i++) - aliases[i] = FilterAliasNone; - for (i = 0; i < ps->nfilterAliases; i++) - { - for (j = 0; j < ps->nfilters; j++) - if (ps->filterAliases[i].filter_id == ps->filters[j].id) - break; - if (j == ps->nfilters) - { - for (j = 0; j < ps->nfilterAliases; j++) - if (ps->filterAliases[i].filter_id == - ps->filterAliases[j].alias_id) - { - break; - } - if (j == ps->nfilterAliases) - j = FilterAliasNone; - else - j = j + ps->nfilters; - } - aliases[i + ps->nfilters] = j; - } - - /* fill in filter names */ - for (i = 0; i < ps->nfilters; i++) - { - j = strlen (ps->filters[i].name); - *names++ = j; - strncpy (names, ps->filters[i].name, j); - names += j; - } - - /* fill in filter alias names */ - for (i = 0; i < ps->nfilterAliases; i++) - { - j = strlen (ps->filterAliases[i].alias); - *names++ = j; - strncpy (names, ps->filterAliases[i].alias, j); - names += j; - } - } - - if (client->swapped) - { - register int n; - - for (i = 0; i < (int)reply->numAliases; i++) - { - swaps (&aliases[i], n); - } - swaps(&reply->sequenceNumber, n); - swapl(&reply->length, n); - swapl(&reply->numAliases, n); - swapl(&reply->numFilters, n); - } - WriteToClient(client, total_bytes, (char *) reply); - xfree (reply); - - return(client->noClientException); -} - -static int -ProcRenderSetPictureFilter (ClientPtr client) -{ - REQUEST (xRenderSetPictureFilterReq); - PicturePtr pPicture; - int result; - xFixed *params; - int nparams; - char *name; - - REQUEST_AT_LEAST_SIZE (xRenderSetPictureFilterReq); - VERIFY_PICTURE (pPicture, stuff->picture, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - name = (char *) (stuff + 1); - params = (xFixed *) (name + ((stuff->nbytes + 3) & ~3)); - nparams = ((xFixed *) stuff + client->req_len) - params; - result = SetPictureFilter (pPicture, name, stuff->nbytes, params, nparams); - - nxagentSetPictureFilter(pPicture, name, stuff->nbytes, params, nparams); - - return result; -} - -static int -ProcRenderCreateAnimCursor (ClientPtr client) -{ - REQUEST(xRenderCreateAnimCursorReq); - CursorPtr *cursors; - CARD32 *deltas; - CursorPtr pCursor; - int ncursor; - xAnimCursorElt *elt; - int i; - int ret; - - REQUEST_AT_LEAST_SIZE(xRenderCreateAnimCursorReq); - LEGAL_NEW_RESOURCE(stuff->cid, client); - if (client->req_len & 1) - return BadLength; - ncursor = (client->req_len - (SIZEOF(xRenderCreateAnimCursorReq) >> 2)) >> 1; - cursors = xalloc (ncursor * (sizeof (CursorPtr) + sizeof (CARD32))); - if (!cursors) - return BadAlloc; - deltas = (CARD32 *) (cursors + ncursor); - elt = (xAnimCursorElt *) (stuff + 1); - for (i = 0; i < ncursor; i++) - { - cursors[i] = (CursorPtr)SecurityLookupIDByType(client, elt->cursor, - RT_CURSOR, SecurityReadAccess); - if (!cursors[i]) - { - xfree (cursors); - client->errorValue = elt->cursor; - return BadCursor; - } - deltas[i] = elt->delay; - elt++; - } - ret = AnimCursorCreate (cursors, deltas, ncursor, &pCursor); - xfree (cursors); - if (ret != Success) - return ret; - - for (i = 0; i < MAXSCREENS; i++) - { - pCursor -> devPriv[i] = NULL; - } - - if (AddResource (stuff->cid, RT_CURSOR, (pointer)pCursor)) - return client->noClientException; - return BadAlloc; -} - -static int -ProcRenderDispatch (ClientPtr client) -{ - int result; - - REQUEST(xReq); - - /* - * Let the client fail if we are - * hiding the RENDER extension. - */ - - if (nxagentRenderTrap) - { - return BadRequest; - } - - if (stuff->data < RenderNumberRequests) - { - /* - * Set the nxagentGCTrap flag while - * dispatching a render operation to - * avoid reentrancy in GCOps.c. - */ - - nxagentGCTrap = 1; - - result = (*ProcRenderVector[stuff->data]) (client); - - nxagentGCTrap = 0; - - return result; - } - else - return BadRequest; -} - -static int -SProcRenderQueryVersion (ClientPtr client) -{ - register int n; - REQUEST(xRenderQueryVersionReq); - - swaps(&stuff->length, n); - swapl(&stuff->majorVersion, n); - swapl(&stuff->minorVersion, n); - return (*ProcRenderVector[stuff->renderReqType])(client); -} - -static int -SProcRenderQueryPictFormats (ClientPtr client) -{ - register int n; - REQUEST(xRenderQueryPictFormatsReq); - swaps(&stuff->length, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderQueryPictIndexValues (ClientPtr client) -{ - register int n; - REQUEST(xRenderQueryPictIndexValuesReq); - swaps(&stuff->length, n); - swapl(&stuff->format, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderQueryDithers (ClientPtr client) -{ - return BadImplementation; -} - -static int -SProcRenderCreatePicture (ClientPtr client) -{ - register int n; - REQUEST(xRenderCreatePictureReq); - swaps(&stuff->length, n); - swapl(&stuff->pid, n); - swapl(&stuff->drawable, n); - swapl(&stuff->format, n); - swapl(&stuff->mask, n); - SwapRestL(stuff); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderChangePicture (ClientPtr client) -{ - register int n; - REQUEST(xRenderChangePictureReq); - swaps(&stuff->length, n); - swapl(&stuff->picture, n); - swapl(&stuff->mask, n); - SwapRestL(stuff); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderSetPictureClipRectangles (ClientPtr client) -{ - register int n; - REQUEST(xRenderSetPictureClipRectanglesReq); - swaps(&stuff->length, n); - swapl(&stuff->picture, n); - SwapRestS(stuff); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderFreePicture (ClientPtr client) -{ - register int n; - REQUEST(xRenderFreePictureReq); - swaps(&stuff->length, n); - swapl(&stuff->picture, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderComposite (ClientPtr client) -{ - register int n; - REQUEST(xRenderCompositeReq); - swaps(&stuff->length, n); - swapl(&stuff->src, n); - swapl(&stuff->mask, n); - swapl(&stuff->dst, n); - swaps(&stuff->xSrc, n); - swaps(&stuff->ySrc, n); - swaps(&stuff->xMask, n); - swaps(&stuff->yMask, n); - swaps(&stuff->xDst, n); - swaps(&stuff->yDst, n); - swaps(&stuff->width, n); - swaps(&stuff->height, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderScale (ClientPtr client) -{ - register int n; - REQUEST(xRenderScaleReq); - swaps(&stuff->length, n); - swapl(&stuff->src, n); - swapl(&stuff->dst, n); - swapl(&stuff->colorScale, n); - swapl(&stuff->alphaScale, n); - swaps(&stuff->xSrc, n); - swaps(&stuff->ySrc, n); - swaps(&stuff->xDst, n); - swaps(&stuff->yDst, n); - swaps(&stuff->width, n); - swaps(&stuff->height, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderTrapezoids (ClientPtr client) -{ - register int n; - REQUEST(xRenderTrapezoidsReq); - - REQUEST_AT_LEAST_SIZE(xRenderTrapezoidsReq); - swaps (&stuff->length, n); - swapl (&stuff->src, n); - swapl (&stuff->dst, n); - swapl (&stuff->maskFormat, n); - swaps (&stuff->xSrc, n); - swaps (&stuff->ySrc, n); - SwapRestL(stuff); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderTriangles (ClientPtr client) -{ - register int n; - REQUEST(xRenderTrianglesReq); - - REQUEST_AT_LEAST_SIZE(xRenderTrianglesReq); - swaps (&stuff->length, n); - swapl (&stuff->src, n); - swapl (&stuff->dst, n); - swapl (&stuff->maskFormat, n); - swaps (&stuff->xSrc, n); - swaps (&stuff->ySrc, n); - SwapRestL(stuff); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderTriStrip (ClientPtr client) -{ - register int n; - REQUEST(xRenderTriStripReq); - - REQUEST_AT_LEAST_SIZE(xRenderTriStripReq); - swaps (&stuff->length, n); - swapl (&stuff->src, n); - swapl (&stuff->dst, n); - swapl (&stuff->maskFormat, n); - swaps (&stuff->xSrc, n); - swaps (&stuff->ySrc, n); - SwapRestL(stuff); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderTriFan (ClientPtr client) -{ - register int n; - REQUEST(xRenderTriFanReq); - - REQUEST_AT_LEAST_SIZE(xRenderTriFanReq); - swaps (&stuff->length, n); - swapl (&stuff->src, n); - swapl (&stuff->dst, n); - swapl (&stuff->maskFormat, n); - swaps (&stuff->xSrc, n); - swaps (&stuff->ySrc, n); - SwapRestL(stuff); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderColorTrapezoids (ClientPtr client) -{ - return BadImplementation; -} - -static int -SProcRenderColorTriangles (ClientPtr client) -{ - return BadImplementation; -} - -static int -SProcRenderTransform (ClientPtr client) -{ - return BadImplementation; -} - -static int -SProcRenderCreateGlyphSet (ClientPtr client) -{ - register int n; - REQUEST(xRenderCreateGlyphSetReq); - swaps(&stuff->length, n); - swapl(&stuff->gsid, n); - swapl(&stuff->format, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderReferenceGlyphSet (ClientPtr client) -{ - register int n; - REQUEST(xRenderReferenceGlyphSetReq); - swaps(&stuff->length, n); - swapl(&stuff->gsid, n); - swapl(&stuff->existing, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderFreeGlyphSet (ClientPtr client) -{ - register int n; - REQUEST(xRenderFreeGlyphSetReq); - swaps(&stuff->length, n); - swapl(&stuff->glyphset, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderAddGlyphs (ClientPtr client) -{ - register int n; - register unsigned int i; - CARD32 *gids; - void *end; - xGlyphInfo *gi; - REQUEST(xRenderAddGlyphsReq); - swaps(&stuff->length, n); - swapl(&stuff->glyphset, n); - swapl(&stuff->nglyphs, n); - if (stuff->nglyphs & 0xe0000000) - return BadLength; - end = (CARD8 *) stuff + (client->req_len << 2); - gids = (CARD32 *) (stuff + 1); - gi = (xGlyphInfo *) (gids + stuff->nglyphs); - if ((char *) end - (char *) (gids + stuff->nglyphs) < 0) - return BadLength; - if ((char *) end - (char *) (gi + stuff->nglyphs) < 0) - return BadLength; - for (i = 0; i < stuff->nglyphs; i++) - { - swapl (&gids[i], n); - swaps (&gi[i].width, n); - swaps (&gi[i].height, n); - swaps (&gi[i].x, n); - swaps (&gi[i].y, n); - swaps (&gi[i].xOff, n); - swaps (&gi[i].yOff, n); - } - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderAddGlyphsFromPicture (ClientPtr client) -{ - return BadImplementation; -} - -static int -SProcRenderFreeGlyphs (ClientPtr client) -{ - register int n; - REQUEST(xRenderFreeGlyphsReq); - swaps(&stuff->length, n); - swapl(&stuff->glyphset, n); - SwapRestL(stuff); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderCompositeGlyphs (ClientPtr client) -{ - register int n; - xGlyphElt *elt; - CARD8 *buffer; - CARD8 *end; - int space; - int i; - int size; - - REQUEST(xRenderCompositeGlyphsReq); - - switch (stuff->renderReqType) { - default: size = 1; break; - case X_RenderCompositeGlyphs16: size = 2; break; - case X_RenderCompositeGlyphs32: size = 4; break; - } - - swaps(&stuff->length, n); - swapl(&stuff->src, n); - swapl(&stuff->dst, n); - swapl(&stuff->maskFormat, n); - swapl(&stuff->glyphset, n); - swaps(&stuff->xSrc, n); - swaps(&stuff->ySrc, n); - buffer = (CARD8 *) (stuff + 1); - end = (CARD8 *) stuff + (client->req_len << 2); - while (buffer + sizeof (xGlyphElt) < end) - { - elt = (xGlyphElt *) buffer; - buffer += sizeof (xGlyphElt); - - swaps (&elt->deltax, n); - swaps (&elt->deltay, n); - - i = elt->len; - if (i == 0xff) - { - swapl (buffer, n); - buffer += 4; - } - else - { - space = size * i; - switch (size) { - case 1: - buffer += i; - break; - case 2: - while (i--) - { - swaps (buffer, n); - buffer += 2; - } - break; - case 4: - while (i--) - { - swapl (buffer, n); - buffer += 4; - } - break; - } - if (space & 3) - buffer += 4 - (space & 3); - } - } - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderFillRectangles (ClientPtr client) -{ - register int n; - REQUEST(xRenderFillRectanglesReq); - - REQUEST_AT_LEAST_SIZE (xRenderFillRectanglesReq); - swaps(&stuff->length, n); - swapl(&stuff->dst, n); - swaps(&stuff->color.red, n); - swaps(&stuff->color.green, n); - swaps(&stuff->color.blue, n); - swaps(&stuff->color.alpha, n); - SwapRestS(stuff); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderCreateCursor (ClientPtr client) -{ - register int n; - REQUEST(xRenderCreateCursorReq); - REQUEST_SIZE_MATCH (xRenderCreateCursorReq); - - swaps(&stuff->length, n); - swapl(&stuff->cid, n); - swapl(&stuff->src, n); - swaps(&stuff->x, n); - swaps(&stuff->y, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderSetPictureTransform (ClientPtr client) -{ - register int n; - REQUEST(xRenderSetPictureTransformReq); - REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq); - - swaps(&stuff->length, n); - swapl(&stuff->picture, n); - swapl(&stuff->transform.matrix11, n); - swapl(&stuff->transform.matrix12, n); - swapl(&stuff->transform.matrix13, n); - swapl(&stuff->transform.matrix21, n); - swapl(&stuff->transform.matrix22, n); - swapl(&stuff->transform.matrix23, n); - swapl(&stuff->transform.matrix31, n); - swapl(&stuff->transform.matrix32, n); - swapl(&stuff->transform.matrix33, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderQueryFilters (ClientPtr client) -{ - register int n; - REQUEST (xRenderQueryFiltersReq); - REQUEST_SIZE_MATCH (xRenderQueryFiltersReq); - - swaps(&stuff->length, n); - swapl(&stuff->drawable, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderSetPictureFilter (ClientPtr client) -{ - register int n; - REQUEST (xRenderSetPictureFilterReq); - REQUEST_AT_LEAST_SIZE (xRenderSetPictureFilterReq); - - swaps(&stuff->length, n); - swapl(&stuff->picture, n); - swaps(&stuff->nbytes, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderCreateAnimCursor (ClientPtr client) -{ - register int n; - REQUEST (xRenderCreateAnimCursorReq); - REQUEST_AT_LEAST_SIZE (xRenderCreateAnimCursorReq); - - swaps(&stuff->length, n); - swapl(&stuff->cid, n); - SwapRestL(stuff); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderDispatch (ClientPtr client) -{ - int result; - - REQUEST(xReq); - - /* - * Let the client fail if we are - * hiding the RENDER extension. - */ - - if (nxagentRenderTrap) - { - return BadRequest; - } - - if (stuff->data < RenderNumberRequests) - { - /* - * Set the nxagentGCTrap flag while - * dispatching a render operation to - * avoid reentrancy in GCOps.c. - */ - - nxagentGCTrap = 1; - - result = (*SProcRenderVector[stuff->data]) (client); - - nxagentGCTrap = 0; - - return result; - } - else - return BadRequest; -} - -#ifdef PANORAMIX -#include "panoramiX.h" -#include "panoramiXsrv.h" - -#define VERIFY_XIN_PICTURE(pPicture, pid, client, mode, err) {\ - pPicture = SecurityLookupIDByType(client, pid, XRT_PICTURE, mode);\ - if (!pPicture) { \ - client->errorValue = pid; \ - return err; \ - } \ -} - -#define VERIFY_XIN_ALPHA(pPicture, pid, client, mode, err) {\ - if (pid == None) \ - pPicture = 0; \ - else { \ - VERIFY_XIN_PICTURE(pPicture, pid, client, mode, err); \ - } \ -} \ - -int (*PanoramiXSaveRenderVector[RenderNumberRequests])(ClientPtr); - -unsigned long XRT_PICTURE; - -static int -PanoramiXRenderCreatePicture (ClientPtr client) -{ - REQUEST(xRenderCreatePictureReq); - PanoramiXRes *refDraw, *newPict; - int result = Success, j; - - REQUEST_AT_LEAST_SIZE(xRenderCreatePictureReq); - if(!(refDraw = (PanoramiXRes *)SecurityLookupIDByClass( - client, stuff->drawable, XRC_DRAWABLE, SecurityWriteAccess))) - return BadDrawable; - if(!(newPict = (PanoramiXRes *) xalloc(sizeof(PanoramiXRes)))) - return BadAlloc; - newPict->type = XRT_PICTURE; - newPict->info[0].id = stuff->pid; - - if (refDraw->type == XRT_WINDOW && - stuff->drawable == WindowTable[0]->drawable.id) - { - newPict->u.pict.root = TRUE; - } - else - newPict->u.pict.root = FALSE; - - for(j = 1; j < PanoramiXNumScreens; j++) - newPict->info[j].id = FakeClientID(client->index); - - FOR_NSCREENS_BACKWARD(j) { - stuff->pid = newPict->info[j].id; - stuff->drawable = refDraw->info[j].id; - result = (*PanoramiXSaveRenderVector[X_RenderCreatePicture]) (client); - if(result != Success) break; - } - - if (result == Success) - AddResource(newPict->info[0].id, XRT_PICTURE, newPict); - else - xfree(newPict); - - return (result); -} - -static int -PanoramiXRenderChangePicture (ClientPtr client) -{ - PanoramiXRes *pict; - int result = Success, j; - REQUEST(xRenderChangePictureReq); - - REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq); - - VERIFY_XIN_PICTURE(pict, stuff->picture, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - - FOR_NSCREENS_BACKWARD(j) { - stuff->picture = pict->info[j].id; - result = (*PanoramiXSaveRenderVector[X_RenderChangePicture]) (client); - if(result != Success) break; - } - - return (result); -} - -static int -PanoramiXRenderSetPictureClipRectangles (ClientPtr client) -{ - REQUEST(xRenderSetPictureClipRectanglesReq); - int result = Success, j; - PanoramiXRes *pict; - - REQUEST_AT_LEAST_SIZE(xRenderSetPictureClipRectanglesReq); - - VERIFY_XIN_PICTURE(pict, stuff->picture, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - - FOR_NSCREENS_BACKWARD(j) { - stuff->picture = pict->info[j].id; - result = (*PanoramiXSaveRenderVector[X_RenderSetPictureClipRectangles]) (client); - if(result != Success) break; - } - - return (result); -} - -static int -PanoramiXRenderFreePicture (ClientPtr client) -{ - PanoramiXRes *pict; - int result = Success, j; - REQUEST(xRenderFreePictureReq); - - REQUEST_SIZE_MATCH(xRenderFreePictureReq); - - client->errorValue = stuff->picture; - - VERIFY_XIN_PICTURE(pict, stuff->picture, client, SecurityDestroyAccess, - RenderErrBase + BadPicture); - - - FOR_NSCREENS_BACKWARD(j) { - stuff->picture = pict->info[j].id; - result = (*PanoramiXSaveRenderVector[X_RenderFreePicture]) (client); - if(result != Success) break; - } - - /* Since ProcRenderFreePicture is using FreeResource, it will free - our resource for us on the last pass through the loop above */ - - return (result); -} - -static int -PanoramiXRenderComposite (ClientPtr client) -{ - PanoramiXRes *src, *msk, *dst; - int result = Success, j; - xRenderCompositeReq orig; - REQUEST(xRenderCompositeReq); - - REQUEST_SIZE_MATCH(xRenderCompositeReq); - - VERIFY_XIN_PICTURE (src, stuff->src, client, SecurityReadAccess, - RenderErrBase + BadPicture); - VERIFY_XIN_ALPHA (msk, stuff->mask, client, SecurityReadAccess, - RenderErrBase + BadPicture); - VERIFY_XIN_PICTURE (dst, stuff->dst, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - - orig = *stuff; - - FOR_NSCREENS_FORWARD(j) { - stuff->src = src->info[j].id; - if (src->u.pict.root) - { - stuff->xSrc = orig.xSrc - panoramiXdataPtr[j].x; - stuff->ySrc = orig.ySrc - panoramiXdataPtr[j].y; - } - stuff->dst = dst->info[j].id; - if (dst->u.pict.root) - { - stuff->xDst = orig.xDst - panoramiXdataPtr[j].x; - stuff->yDst = orig.yDst - panoramiXdataPtr[j].y; - } - if (msk) - { - stuff->mask = msk->info[j].id; - if (msk->u.pict.root) - { - stuff->xMask = orig.xMask - panoramiXdataPtr[j].x; - stuff->yMask = orig.yMask - panoramiXdataPtr[j].y; - } - } - result = (*PanoramiXSaveRenderVector[X_RenderComposite]) (client); - if(result != Success) break; - } - - return result; -} - -static int -PanoramiXRenderCompositeGlyphs (ClientPtr client) -{ - PanoramiXRes *src, *dst; - int result = Success, j; - REQUEST(xRenderCompositeGlyphsReq); - xGlyphElt origElt, *elt; - INT16 xSrc, ySrc; - - REQUEST_AT_LEAST_SIZE(xRenderCompositeGlyphsReq); - VERIFY_XIN_PICTURE (src, stuff->src, client, SecurityReadAccess, - RenderErrBase + BadPicture); - VERIFY_XIN_PICTURE (dst, stuff->dst, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - - if (client->req_len << 2 >= (sizeof (xRenderCompositeGlyphsReq) + - sizeof (xGlyphElt))) - { - elt = (xGlyphElt *) (stuff + 1); - origElt = *elt; - xSrc = stuff->xSrc; - ySrc = stuff->ySrc; - FOR_NSCREENS_FORWARD(j) { - stuff->src = src->info[j].id; - if (src->u.pict.root) - { - stuff->xSrc = xSrc - panoramiXdataPtr[j].x; - stuff->ySrc = ySrc - panoramiXdataPtr[j].y; - } - stuff->dst = dst->info[j].id; - if (dst->u.pict.root) - { - elt->deltax = origElt.deltax - panoramiXdataPtr[j].x; - elt->deltay = origElt.deltay - panoramiXdataPtr[j].y; - } - result = (*PanoramiXSaveRenderVector[stuff->renderReqType]) (client); - if(result != Success) break; - } - } - - return result; -} - -static int -PanoramiXRenderFillRectangles (ClientPtr client) -{ - PanoramiXRes *dst; - int result = Success, j; - REQUEST(xRenderFillRectanglesReq); - char *extra; - int extra_len; - - REQUEST_AT_LEAST_SIZE (xRenderFillRectanglesReq); - VERIFY_XIN_PICTURE (dst, stuff->dst, client, SecurityWriteAccess, - RenderErrBase + BadPicture); - extra_len = (client->req_len << 2) - sizeof (xRenderFillRectanglesReq); - if (extra_len && - (extra = (char *) ALLOCATE_LOCAL (extra_len))) - { - memcpy (extra, stuff + 1, extra_len); - FOR_NSCREENS_FORWARD(j) { - if (j) memcpy (stuff + 1, extra, extra_len); - if (dst->u.pict.root) - { - int x_off = panoramiXdataPtr[j].x; - int y_off = panoramiXdataPtr[j].y; - - if(x_off || y_off) { - xRectangle *rects = (xRectangle *) (stuff + 1); - int i = extra_len / sizeof (xRectangle); - - while (i--) - { - rects->x -= x_off; - rects->y -= y_off; - rects++; - } - } - } - stuff->dst = dst->info[j].id; - result = (*PanoramiXSaveRenderVector[X_RenderFillRectangles]) (client); - if(result != Success) break; - } - DEALLOCATE_LOCAL(extra); - } - - return result; -} - -void -PanoramiXRenderInit (void) -{ - int i; - - XRT_PICTURE = CreateNewResourceType (XineramaDeleteResource); - for (i = 0; i < RenderNumberRequests; i++) - PanoramiXSaveRenderVector[i] = ProcRenderVector[i]; - /* - * Stuff in Xinerama aware request processing hooks - */ - ProcRenderVector[X_RenderCreatePicture] = PanoramiXRenderCreatePicture; - ProcRenderVector[X_RenderChangePicture] = PanoramiXRenderChangePicture; - ProcRenderVector[X_RenderSetPictureClipRectangles] = PanoramiXRenderSetPictureClipRectangles; - ProcRenderVector[X_RenderFreePicture] = PanoramiXRenderFreePicture; - ProcRenderVector[X_RenderComposite] = PanoramiXRenderComposite; - ProcRenderVector[X_RenderCompositeGlyphs8] = PanoramiXRenderCompositeGlyphs; - ProcRenderVector[X_RenderCompositeGlyphs16] = PanoramiXRenderCompositeGlyphs; - ProcRenderVector[X_RenderCompositeGlyphs32] = PanoramiXRenderCompositeGlyphs; - ProcRenderVector[X_RenderFillRectangles] = PanoramiXRenderFillRectangles; -} - -void -PanoramiXRenderReset (void) -{ - int i; - for (i = 0; i < RenderNumberRequests; i++) - ProcRenderVector[i] = PanoramiXSaveRenderVector[i]; -} - -#endif /* PANORAMIX */ - -#endif /* #ifdef NXAGENT_UPGRADE */ |