From ec97eb93862ded9d95eb73feba6bef1c04cd13d2 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 17 May 2010 07:00:33 +0000 Subject: svn merge -r595:HEAD "^/branches/released" . --- xorg-server/render/render.c | 6733 ++++++++++++++++++++++--------------------- 1 file changed, 3370 insertions(+), 3363 deletions(-) (limited to 'xorg-server/render') diff --git a/xorg-server/render/render.c b/xorg-server/render/render.c index 9bbff1b6d..9aabcfb20 100644 --- a/xorg-server/render/render.c +++ b/xorg-server/render/render.c @@ -1,3363 +1,3370 @@ -/* - * - * 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. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include -#include -#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 -#include -#include "picturestr.h" -#include "glyphstr.h" -#include -#include "cursorstr.h" -#include "xace.h" -#include "protocol-versions.h" - -#if HAVE_STDINT_H -#include -#elif !defined(UINT32_MAX) -#define UINT32_MAX 0xffffffffU -#endif - -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 ProcRenderAddTraps (ClientPtr pClient); -static int ProcRenderCreateSolidFill (ClientPtr pClient); -static int ProcRenderCreateLinearGradient (ClientPtr pClient); -static int ProcRenderCreateRadialGradient (ClientPtr pClient); -static int ProcRenderCreateConicalGradient (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 SProcRenderAddTraps (ClientPtr pClient); -static int SProcRenderCreateSolidFill (ClientPtr pClient); -static int SProcRenderCreateLinearGradient (ClientPtr pClient); -static int SProcRenderCreateRadialGradient (ClientPtr pClient); -static int SProcRenderCreateConicalGradient (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, - ProcRenderAddTraps, - ProcRenderCreateSolidFill, - ProcRenderCreateLinearGradient, - ProcRenderCreateRadialGradient, - ProcRenderCreateConicalGradient -}; - -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, - SProcRenderAddTraps, - SProcRenderCreateSolidFill, - SProcRenderCreateLinearGradient, - SProcRenderCreateRadialGradient, - SProcRenderCreateConicalGradient -}; - -int RenderErrBase; -static int RenderClientPrivateKeyIndex; -DevPrivateKey RenderClientPrivateKey = &RenderClientPrivateKeyIndex; - -typedef struct _RenderClient { - int major_version; - int minor_version; -} RenderClientRec, *RenderClientPtr; - -#define GetRenderClient(pClient) ((RenderClientPtr)dixLookupPrivate(&(pClient)->devPrivates, RenderClientPrivateKey)) - -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; - if (!dixRequestPrivate(RenderClientPrivateKey, sizeof(RenderClientRec))) - return; - if (!AddCallback (&ClientStateCallback, RenderClientCallback, 0)) - return; - - extEntry = AddExtension (RENDER_NAME, 0, RenderNumberErrors, - ProcRenderDispatch, SProcRenderDispatch, - NULL, StandardMinorOpcode); - if (!extEntry) - return; - RenderErrBase = extEntry->errorBase; -} - -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); - memset(&rep, 0, sizeof(xRenderQueryVersionReply)); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - if ((stuff->majorVersion * 1000 + stuff->minorVersion) < - (SERVER_RENDER_MAJOR_VERSION * 1000 + SERVER_RENDER_MINOR_VERSION)) - { - rep.majorVersion = stuff->majorVersion; - rep.minorVersion = stuff->minorVersion; - } else - { - rep.majorVersion = SERVER_RENDER_MAJOR_VERSION; - rep.minorVersion = SERVER_RENDER_MINOR_VERSION; - } - - 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 Success; -} - -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; -} - -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; -/* 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 *) calloc(1, rlength); - if (!reply) - return BadAlloc; - reply->type = X_Reply; - reply->sequenceNumber = client->sequence; - reply->length = bytes_to_int32(rlength - sizeof(xGenericReply)); - 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 = pFormat->direct.alpha; - 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); - free(reply); - return Success; -} - -static int -ProcRenderQueryPictIndexValues (ClientPtr client) -{ - PictFormatPtr pFormat; - int rc, num; - int rlength; - int i, n; - REQUEST(xRenderQueryPictIndexValuesReq); - xRenderQueryPictIndexValuesReply *reply; - xIndexValue *values; - - REQUEST_AT_LEAST_SIZE(xRenderQueryPictIndexValuesReq); - - rc = dixLookupResourceByType((pointer *)&pFormat, stuff->format, - PictFormatType, client, DixReadAccess); - if (rc != Success) - return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; - - if (pFormat->type != PictTypeIndexed) - { - client->errorValue = stuff->format; - return BadMatch; - } - num = pFormat->index.nvalues; - rlength = (sizeof (xRenderQueryPictIndexValuesReply) + - num * sizeof(xIndexValue)); - reply = (xRenderQueryPictIndexValuesReply *) malloc(rlength); - if (!reply) - return BadAlloc; - - reply->type = X_Reply; - reply->sequenceNumber = client->sequence; - reply->length = bytes_to_int32(rlength - sizeof(xGenericReply)); - 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); - free(reply); - return Success; -} - -static int -ProcRenderQueryDithers (ClientPtr client) -{ - return BadImplementation; -} - -static int -ProcRenderCreatePicture (ClientPtr client) -{ - PicturePtr pPicture; - DrawablePtr pDrawable; - PictFormatPtr pFormat; - int len, error, rc; - REQUEST(xRenderCreatePictureReq); - - REQUEST_AT_LEAST_SIZE(xRenderCreatePictureReq); - - LEGAL_NEW_RESOURCE(stuff->pid, client); - rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, - DixReadAccess|DixAddAccess); - if (rc != Success) - return rc; - - rc = dixLookupResourceByType((pointer *)&pFormat, stuff->format, - PictFormatType, client, DixReadAccess); - if (rc != Success) - return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; - - if (pFormat->depth != pDrawable->depth) - return BadMatch; - len = client->req_len - bytes_to_int32(sizeof(xRenderCreatePictureReq)); - if (Ones(stuff->mask) != len) - return BadLength; - - pPicture = CreatePicture (stuff->pid, - pDrawable, - pFormat, - stuff->mask, - (XID *) (stuff + 1), - client, - &error); - if (!pPicture) - return error; - if (!AddResource (stuff->pid, PictureType, (pointer)pPicture)) - return BadAlloc; - return Success; -} - -static int -ProcRenderChangePicture (ClientPtr client) -{ - PicturePtr pPicture; - REQUEST(xRenderChangePictureReq); - int len; - - REQUEST_AT_LEAST_SIZE(xRenderChangePictureReq); - VERIFY_PICTURE (pPicture, stuff->picture, client, DixSetAttrAccess); - - len = client->req_len - bytes_to_int32(sizeof(xRenderChangePictureReq)); - if (Ones(stuff->mask) != len) - return BadLength; - - return ChangePicture (pPicture, stuff->mask, (XID *) (stuff + 1), - (DevUnion *) 0, client); -} - -static int -ProcRenderSetPictureClipRectangles (ClientPtr client) -{ - REQUEST(xRenderSetPictureClipRectanglesReq); - PicturePtr pPicture; - int nr; - - REQUEST_AT_LEAST_SIZE(xRenderSetPictureClipRectanglesReq); - VERIFY_PICTURE (pPicture, stuff->picture, client, DixSetAttrAccess); - if (!pPicture->pDrawable) - return BadDrawable; - - nr = (client->req_len << 2) - sizeof(xRenderSetPictureClipRectanglesReq); - if (nr & 4) - return BadLength; - nr >>= 3; - return SetPictureClipRects (pPicture, - stuff->xOrigin, stuff->yOrigin, - nr, (xRectangle *) &stuff[1]); -} - -static int -ProcRenderFreePicture (ClientPtr client) -{ - PicturePtr pPicture; - REQUEST(xRenderFreePictureReq); - - REQUEST_SIZE_MATCH(xRenderFreePictureReq); - - VERIFY_PICTURE (pPicture, stuff->picture, client, DixDestroyAccess); - FreeResource (stuff->picture, RT_NONE); - return Success; -} - -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; - if (PictOpBlendMinimum <= op && op <= PictOpBlendMaximum) - return TRUE; - return FALSE; -} - -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 (pDst, stuff->dst, client, DixWriteAccess); - if (!pDst->pDrawable) - return BadDrawable; - VERIFY_PICTURE (pSrc, stuff->src, client, DixReadAccess); - VERIFY_ALPHA (pMask, stuff->mask, client, DixReadAccess); - if ((pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) || - (pMask && pMask->pDrawable && pDst->pDrawable->pScreen != pMask->pDrawable->pScreen)) - return BadMatch; - CompositePicture (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 rc, 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, DixReadAccess); - VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess); - if (!pDst->pDrawable) - return BadDrawable; - if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) - return BadMatch; - if (stuff->maskFormat) - { - rc = dixLookupResourceByType((pointer *)&pFormat, stuff->maskFormat, - PictFormatType, client, DixReadAccess); - if (rc != Success) - return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; - } - else - pFormat = 0; - ntraps = (client->req_len << 2) - sizeof (xRenderTrapezoidsReq); - if (ntraps % sizeof (xTrapezoid)) - return BadLength; - ntraps /= sizeof (xTrapezoid); - if (ntraps) - CompositeTrapezoids (stuff->op, pSrc, pDst, pFormat, - stuff->xSrc, stuff->ySrc, - ntraps, (xTrapezoid *) &stuff[1]); - return Success; -} - -static int -ProcRenderTriangles (ClientPtr client) -{ - int rc, 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, DixReadAccess); - VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess); - if (!pDst->pDrawable) - return BadDrawable; - if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) - return BadMatch; - if (stuff->maskFormat) - { - rc = dixLookupResourceByType((pointer *)&pFormat, stuff->maskFormat, - PictFormatType, client, DixReadAccess); - if (rc != Success) - return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; - } - 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 Success; -} - -static int -ProcRenderTriStrip (ClientPtr client) -{ - int rc, 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, DixReadAccess); - VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess); - if (!pDst->pDrawable) - return BadDrawable; - if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) - return BadMatch; - if (stuff->maskFormat) - { - rc = dixLookupResourceByType((pointer *)&pFormat, stuff->maskFormat, - PictFormatType, client, DixReadAccess); - if (rc != Success) - return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; - } - 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 Success; -} - -static int -ProcRenderTriFan (ClientPtr client) -{ - int rc, 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, DixReadAccess); - VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess); - if (!pDst->pDrawable) - return BadDrawable; - if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) - return BadMatch; - if (stuff->maskFormat) - { - rc = dixLookupResourceByType((pointer *)&pFormat, stuff->maskFormat, - PictFormatType, client, DixReadAccess); - if (rc != Success) - return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; - } - 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 Success; -} - -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 rc, f; - REQUEST(xRenderCreateGlyphSetReq); - - REQUEST_SIZE_MATCH(xRenderCreateGlyphSetReq); - - LEGAL_NEW_RESOURCE(stuff->gsid, client); - rc = dixLookupResourceByType((pointer *)&format, stuff->format, - PictFormatType, client, DixReadAccess); - if (rc != Success) - return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; - - 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; - /* security creation/labeling check */ - rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->gsid, GlyphSetType, - glyphSet, RT_NONE, NULL, DixCreateAccess); - if (rc != Success) - return rc; - if (!AddResource (stuff->gsid, GlyphSetType, (pointer)glyphSet)) - return BadAlloc; - return Success; -} - -static int -ProcRenderReferenceGlyphSet (ClientPtr client) -{ - GlyphSetPtr glyphSet; - int rc; - REQUEST(xRenderReferenceGlyphSetReq); - - REQUEST_SIZE_MATCH(xRenderReferenceGlyphSetReq); - - LEGAL_NEW_RESOURCE(stuff->gsid, client); - - rc = dixLookupResourceByType((pointer *)&glyphSet, stuff->existing, GlyphSetType, - client, DixGetAttrAccess); - if (rc != Success) - { - client->errorValue = stuff->existing; - return (rc == BadValue) ? RenderErrBase + BadGlyphSet : rc; - } - glyphSet->refcnt++; - if (!AddResource (stuff->gsid, GlyphSetType, (pointer)glyphSet)) - return BadAlloc; - return Success; -} - -#define NLOCALDELTA 64 -#define NLOCALGLYPH 256 - -static int -ProcRenderFreeGlyphSet (ClientPtr client) -{ - GlyphSetPtr glyphSet; - int rc; - REQUEST(xRenderFreeGlyphSetReq); - - REQUEST_SIZE_MATCH(xRenderFreeGlyphSetReq); - rc = dixLookupResourceByType((pointer *)&glyphSet, stuff->glyphset, GlyphSetType, - client, DixDestroyAccess); - if (rc != Success) - { - client->errorValue = stuff->glyphset; - return (rc == BadValue) ? RenderErrBase + BadGlyphSet : rc; - } - FreeResource (stuff->glyphset, RT_NONE); - return Success; -} - -typedef struct _GlyphNew { - Glyph id; - GlyphPtr glyph; - Bool found; - unsigned char sha1[20]; -} GlyphNewRec, *GlyphNewPtr; - -#define NeedsComponent(f) (PICT_FORMAT_A(f) != 0 && PICT_FORMAT_RGB(f) != 0) - -static int -ProcRenderAddGlyphs (ClientPtr client) -{ - GlyphSetPtr glyphSet; - REQUEST(xRenderAddGlyphsReq); - GlyphNewRec glyphsLocal[NLOCALGLYPH]; - GlyphNewPtr glyphsBase, glyphs, glyph_new; - int remain, nglyphs; - CARD32 *gids; - xGlyphInfo *gi; - CARD8 *bits; - unsigned int size; - int err; - int i, screen; - PicturePtr pSrc = NULL, pDst = NULL; - PixmapPtr pSrcPix = NULL, pDstPix = NULL; - CARD32 component_alpha; - - REQUEST_AT_LEAST_SIZE(xRenderAddGlyphsReq); - err = dixLookupResourceByType((pointer *)&glyphSet, stuff->glyphset, GlyphSetType, - client, DixAddAccess); - if (err != Success) - { - client->errorValue = stuff->glyphset; - return (err == BadValue) ? RenderErrBase + BadGlyphSet : err; - } - - err = BadAlloc; - nglyphs = stuff->nglyphs; - if (nglyphs > UINT32_MAX / sizeof(GlyphNewRec)) - return BadAlloc; - - component_alpha = NeedsComponent (glyphSet->format->format); - - if (nglyphs <= NLOCALGLYPH) { - memset (glyphsLocal, 0, sizeof (glyphsLocal)); - glyphsBase = glyphsLocal; - } - else - { - glyphsBase = (GlyphNewPtr)calloc(nglyphs, sizeof (GlyphNewRec)); - if (!glyphsBase) - return BadAlloc; - } - - remain = (client->req_len << 2) - sizeof (xRenderAddGlyphsReq); - - glyphs = glyphsBase; - - gids = (CARD32 *) (stuff + 1); - gi = (xGlyphInfo *) (gids + nglyphs); - bits = (CARD8 *) (gi + nglyphs); - remain -= (sizeof (CARD32) + sizeof (xGlyphInfo)) * nglyphs; - for (i = 0; i < nglyphs; i++) - { - size_t padded_width; - glyph_new = &glyphs[i]; - - padded_width = PixmapBytePad (gi[i].width, - glyphSet->format->depth); - - if (gi[i].height && padded_width > (UINT32_MAX - sizeof(GlyphRec))/gi[i].height) - break; - - size = gi[i].height * padded_width; - if (remain < size) - break; - - err = HashGlyph (&gi[i], bits, size, glyph_new->sha1); - if (err) - goto bail; - - glyph_new->glyph = FindGlyphByHash (glyph_new->sha1, - glyphSet->fdepth); - - if (glyph_new->glyph && glyph_new->glyph != DeletedGlyph) - { - glyph_new->found = TRUE; - } - else - { - GlyphPtr glyph; - - glyph_new->found = FALSE; - glyph_new->glyph = glyph = AllocateGlyph (&gi[i], glyphSet->fdepth); - if (! glyph) - { - err = BadAlloc; - goto bail; - } - - for (screen = 0; screen < screenInfo.numScreens; screen++) - { - int width = gi[i].width; - int height = gi[i].height; - int depth = glyphSet->format->depth; - ScreenPtr pScreen; - int error; - - /* Skip work if it's invisibly small anyway */ - if (!width || !height) - break; - - pScreen = screenInfo.screens[screen]; - pSrcPix = GetScratchPixmapHeader (pScreen, - width, height, - depth, depth, - -1, bits); - if (! pSrcPix) - { - err = BadAlloc; - goto bail; - } - - pSrc = CreatePicture (0, &pSrcPix->drawable, - glyphSet->format, 0, NULL, - serverClient, &error); - if (! pSrc) - { - err = BadAlloc; - goto bail; - } - - pDstPix = (pScreen->CreatePixmap) (pScreen, - width, height, depth, - CREATE_PIXMAP_USAGE_GLYPH_PICTURE); - - GlyphPicture (glyph)[screen] = pDst = - CreatePicture (0, &pDstPix->drawable, - glyphSet->format, - CPComponentAlpha, &component_alpha, - serverClient, &error); - - /* The picture takes a reference to the pixmap, so we - drop ours. */ - (pScreen->DestroyPixmap) (pDstPix); - - if (! pDst) - { - err = BadAlloc; - goto bail; - } - - CompositePicture (PictOpSrc, - pSrc, - None, - pDst, - 0, 0, - 0, 0, - 0, 0, - width, height); - - FreePicture ((pointer) pSrc, 0); - pSrc = NULL; - FreeScratchPixmapHeader (pSrcPix); - pSrcPix = NULL; - } - - memcpy (glyph_new->glyph->sha1, glyph_new->sha1, 20); - } - - glyph_new->id = gids[i]; - - if (size & 3) - size += 4 - (size & 3); - bits += size; - remain -= size; - } - if (remain || i < nglyphs) - { - err = BadLength; - goto bail; - } - if (!ResizeGlyphSet (glyphSet, nglyphs)) - { - err = BadAlloc; - goto bail; - } - for (i = 0; i < nglyphs; i++) - AddGlyph (glyphSet, glyphs[i].glyph, glyphs[i].id); - - if (glyphsBase != glyphsLocal) - free(glyphsBase); - return Success; -bail: - if (pSrc) - FreePicture ((pointer) pSrc, 0); - if (pSrcPix) - FreeScratchPixmapHeader (pSrcPix); - for (i = 0; i < nglyphs; i++) - if (glyphs[i].glyph && ! glyphs[i].found) - free(glyphs[i].glyph); - if (glyphsBase != glyphsLocal) - free(glyphsBase); - return err; -} - -static int -ProcRenderAddGlyphsFromPicture (ClientPtr client) -{ - return BadImplementation; -} - -static int -ProcRenderFreeGlyphs (ClientPtr client) -{ - REQUEST(xRenderFreeGlyphsReq); - GlyphSetPtr glyphSet; - int rc, nglyph; - CARD32 *gids; - CARD32 glyph; - - REQUEST_AT_LEAST_SIZE(xRenderFreeGlyphsReq); - rc = dixLookupResourceByType((pointer *)&glyphSet, stuff->glyphset, GlyphSetType, - client, DixRemoveAccess); - if (rc != Success) - { - client->errorValue = stuff->glyphset; - return (rc == BadValue) ? RenderErrBase + BadGlyphSet : rc; - } - nglyph = bytes_to_int32((client->req_len << 2) - sizeof (xRenderFreeGlyphsReq)); - gids = (CARD32 *) (stuff + 1); - while (nglyph-- > 0) - { - glyph = *gids++; - if (!DeleteGlyph (glyphSet, glyph)) - { - client->errorValue = glyph; - return RenderErrBase + BadGlyph; - } - } - return Success; -} - -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 rc, n; - - 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, DixReadAccess); - VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess); - if (!pDst->pDrawable) - return BadDrawable; - if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) - return BadMatch; - if (stuff->maskFormat) - { - rc = dixLookupResourceByType((pointer *)&pFormat, stuff->maskFormat, - PictFormatType, client, DixReadAccess); - if (rc != Success) - return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; - } - else - pFormat = 0; - - rc = dixLookupResourceByType((pointer *)&glyphSet, stuff->glyphset, - GlyphSetType, client, DixUseAccess); - if (rc != Success) - return (rc == BadValue) ? RenderErrBase + BadGlyphSet : rc; - - 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 *) malloc(nglyph * sizeof (GlyphPtr)); - if (!glyphsBase) - return BadAlloc; - } - if (nlist <= NLOCALDELTA) - listsBase = listsLocal; - else - { - listsBase = (GlyphListPtr) malloc(nlist * sizeof (GlyphListRec)); - if (!listsBase) - return BadAlloc; - } - buffer = (CARD8 *) (stuff + 1); - glyphs = glyphsBase; - lists = listsBase; - while (buffer + sizeof (xGlyphElt) < end) - { - elt = (xGlyphElt *) buffer; - buffer += sizeof (xGlyphElt); - - if (elt->len == 0xff) - { - if (buffer + sizeof (GlyphSet) < end) - { - memcpy(&gs, buffer, sizeof(GlyphSet)); - rc = dixLookupResourceByType((pointer *)&glyphSet, gs, - GlyphSetType, client, - DixUseAccess); - if (rc != Success) - { - if (glyphsBase != glyphsLocal) - free(glyphsBase); - if (listsBase != listsLocal) - free(listsBase); - return (rc == BadValue) ? RenderErrBase + BadGlyphSet : rc; - } - } - buffer += 4; - } - else - { - lists->xOff = elt->deltax; - lists->yOff = elt->deltay; - lists->format = glyphSet->format; - lists->len = 0; - 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++; - } - } - if (buffer > end) - return BadLength; - - CompositeGlyphs (stuff->op, - pSrc, - pDst, - pFormat, - stuff->xSrc, - stuff->ySrc, - nlist, - listsBase, - glyphsBase); - - if (glyphsBase != glyphsLocal) - free(glyphsBase); - if (listsBase != listsLocal) - free(listsBase); - - return Success; -} - -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, DixWriteAccess); - if (!pDst->pDrawable) - return BadDrawable; - - things = (client->req_len << 2) - sizeof(xRenderFillRectanglesReq); - if (things & 4) - return(BadLength); - things >>= 3; - - CompositeRects (stuff->op, - pDst, - &stuff->color, - things, - (xRectangle *) &stuff[1]); - - return Success; -} - -static void -RenderSetBit (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 rc, ncolor; - - REQUEST_SIZE_MATCH (xRenderCreateCursorReq); - LEGAL_NEW_RESOURCE(stuff->cid, client); - - VERIFY_PICTURE (pSrc, stuff->src, client, DixReadAccess); - if (!pSrc->pDrawable) - return BadDrawable; - pScreen = pSrc->pDrawable->pScreen; - width = pSrc->pDrawable->width; - height = pSrc->pDrawable->height; - if (height && width > UINT32_MAX/(height*sizeof(CARD32))) - return BadAlloc; - if ( stuff->x > width - || stuff->y > height ) - return (BadMatch); - argbbits = malloc(width * height * sizeof (CARD32)); - if (!argbbits) - return (BadAlloc); - - stride = BitmapBytePad(width); - nbytes_mono = stride*height; - srcbits = calloc(1, nbytes_mono); - if (!srcbits) - { - free(argbbits); - return (BadAlloc); - } - mskbits = calloc(1, nbytes_mono); - if (!mskbits) - { - free(argbbits); - free(srcbits); - return (BadAlloc); - } - - 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) - { - free(argbbits); - free(srcbits); - free(mskbits); - return (BadImplementation); - } - pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, 32, - CREATE_PIXMAP_USAGE_SCRATCH); - if (!pPixmap) - { - free(argbbits); - free(srcbits); - free(mskbits); - return (BadAlloc); - } - pPicture = CreatePicture (0, &pPixmap->drawable, pFormat, 0, 0, - client, &error); - if (!pPicture) - { - free(argbbits); - free(srcbits); - free(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)); - - RenderSetBit (mskline, x, a != 0); - RenderSetBit (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 */ - RenderSetBit(mskline, x, a > d); - /* Set src from dithered intensity value */ - RenderSetBit(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 - { - free(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; - rc = AllocARGBCursor(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), - &pCursor, client, stuff->cid); - if (rc != Success) - return rc; - if (!AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor)) - return BadAlloc; - - return Success; -} - -static int -ProcRenderSetPictureTransform (ClientPtr client) -{ - REQUEST(xRenderSetPictureTransformReq); - PicturePtr pPicture; - - REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq); - VERIFY_PICTURE (pPicture, stuff->picture, client, DixSetAttrAccess); - return SetPictureTransform (pPicture, (PictTransform *) &stuff->transform); -} - -static int -ProcRenderQueryFilters (ClientPtr client) -{ - REQUEST (xRenderQueryFiltersReq); - DrawablePtr pDrawable; - xRenderQueryFiltersReply *reply; - int nbytesName; - int nnames; - ScreenPtr pScreen; - PictureScreenPtr ps; - int i, j, len, total_bytes, rc; - INT16 *aliases; - char *names; - - REQUEST_SIZE_MATCH(xRenderQueryFiltersReq); - rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, - DixGetAttrAccess); - if (rc != Success) - return rc; - - 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) + bytes_to_int32(nbytesName); - total_bytes = sizeof (xRenderQueryFiltersReply) + (len << 2); - reply = (xRenderQueryFiltersReply *) malloc(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 < 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); - free(reply); - - return Success; -} - -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, DixSetAttrAccess); - name = (char *) (stuff + 1); - params = (xFixed *) (name + pad_to_int32(stuff->nbytes)); - nparams = ((xFixed *) stuff + client->req_len) - params; - result = SetPictureFilter (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 - (bytes_to_int32(sizeof(xRenderCreateAnimCursorReq)))) >> 1; - cursors = malloc(ncursor * (sizeof (CursorPtr) + sizeof (CARD32))); - if (!cursors) - return BadAlloc; - deltas = (CARD32 *) (cursors + ncursor); - elt = (xAnimCursorElt *) (stuff + 1); - for (i = 0; i < ncursor; i++) - { - ret = dixLookupResourceByType((pointer *)(cursors + i), elt->cursor, - RT_CURSOR, client, DixReadAccess); - if (ret != Success) - { - free(cursors); - return (ret == BadValue) ? BadCursor : ret; - } - deltas[i] = elt->delay; - elt++; - } - ret = AnimCursorCreate (cursors, deltas, ncursor, &pCursor, client, - stuff->cid); - free(cursors); - if (ret != Success) - return ret; - - if (AddResource (stuff->cid, RT_CURSOR, (pointer)pCursor)) - return Success; - return BadAlloc; -} - -static int -ProcRenderAddTraps (ClientPtr client) -{ - int ntraps; - PicturePtr pPicture; - REQUEST(xRenderAddTrapsReq); - - REQUEST_AT_LEAST_SIZE(xRenderAddTrapsReq); - VERIFY_PICTURE (pPicture, stuff->picture, client, DixWriteAccess); - if (!pPicture->pDrawable) - return BadDrawable; - ntraps = (client->req_len << 2) - sizeof (xRenderAddTrapsReq); - if (ntraps % sizeof (xTrap)) - return BadLength; - ntraps /= sizeof (xTrap); - if (ntraps) - AddTraps (pPicture, - stuff->xOff, stuff->yOff, - ntraps, (xTrap *) &stuff[1]); - return Success; -} - -static int ProcRenderCreateSolidFill(ClientPtr client) -{ - PicturePtr pPicture; - int error = 0; - REQUEST(xRenderCreateSolidFillReq); - - REQUEST_AT_LEAST_SIZE(xRenderCreateSolidFillReq); - - LEGAL_NEW_RESOURCE(stuff->pid, client); - - pPicture = CreateSolidPicture(stuff->pid, &stuff->color, &error); - if (!pPicture) - return error; - /* security creation/labeling check */ - error = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, PictureType, - pPicture, RT_NONE, NULL, DixCreateAccess); - if (error != Success) - return error; - if (!AddResource (stuff->pid, PictureType, (pointer)pPicture)) - return BadAlloc; - return Success; -} - -static int ProcRenderCreateLinearGradient (ClientPtr client) -{ - PicturePtr pPicture; - int len; - int error = 0; - xFixed *stops; - xRenderColor *colors; - REQUEST(xRenderCreateLinearGradientReq); - - REQUEST_AT_LEAST_SIZE(xRenderCreateLinearGradientReq); - - LEGAL_NEW_RESOURCE(stuff->pid, client); - - len = (client->req_len << 2) - sizeof(xRenderCreateLinearGradientReq); - if (stuff->nStops > UINT32_MAX/(sizeof(xFixed) + sizeof(xRenderColor))) - return BadLength; - if (len != stuff->nStops*(sizeof(xFixed) + sizeof(xRenderColor))) - return BadLength; - - stops = (xFixed *)(stuff + 1); - colors = (xRenderColor *)(stops + stuff->nStops); - - pPicture = CreateLinearGradientPicture (stuff->pid, &stuff->p1, &stuff->p2, - stuff->nStops, stops, colors, &error); - if (!pPicture) - return error; - /* security creation/labeling check */ - error = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, PictureType, - pPicture, RT_NONE, NULL, DixCreateAccess); - if (error != Success) - return error; - if (!AddResource (stuff->pid, PictureType, (pointer)pPicture)) - return BadAlloc; - return Success; -} - -static int ProcRenderCreateRadialGradient (ClientPtr client) -{ - PicturePtr pPicture; - int len; - int error = 0; - xFixed *stops; - xRenderColor *colors; - REQUEST(xRenderCreateRadialGradientReq); - - REQUEST_AT_LEAST_SIZE(xRenderCreateRadialGradientReq); - - LEGAL_NEW_RESOURCE(stuff->pid, client); - - len = (client->req_len << 2) - sizeof(xRenderCreateRadialGradientReq); - if (len != stuff->nStops*(sizeof(xFixed) + sizeof(xRenderColor))) - return BadLength; - - stops = (xFixed *)(stuff + 1); - colors = (xRenderColor *)(stops + stuff->nStops); - - pPicture = CreateRadialGradientPicture (stuff->pid, &stuff->inner, &stuff->outer, - stuff->inner_radius, stuff->outer_radius, - stuff->nStops, stops, colors, &error); - if (!pPicture) - return error; - /* security creation/labeling check */ - error = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, PictureType, - pPicture, RT_NONE, NULL, DixCreateAccess); - if (error != Success) - return error; - if (!AddResource (stuff->pid, PictureType, (pointer)pPicture)) - return BadAlloc; - return Success; -} - -static int ProcRenderCreateConicalGradient (ClientPtr client) -{ - PicturePtr pPicture; - int len; - int error = 0; - xFixed *stops; - xRenderColor *colors; - REQUEST(xRenderCreateConicalGradientReq); - - REQUEST_AT_LEAST_SIZE(xRenderCreateConicalGradientReq); - - LEGAL_NEW_RESOURCE(stuff->pid, client); - - len = (client->req_len << 2) - sizeof(xRenderCreateConicalGradientReq); - if (len != stuff->nStops*(sizeof(xFixed) + sizeof(xRenderColor))) - return BadLength; - - stops = (xFixed *)(stuff + 1); - colors = (xRenderColor *)(stops + stuff->nStops); - - pPicture = CreateConicalGradientPicture (stuff->pid, &stuff->center, stuff->angle, - stuff->nStops, stops, colors, &error); - if (!pPicture) - return error; - /* security creation/labeling check */ - error = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, PictureType, - pPicture, RT_NONE, NULL, DixCreateAccess); - if (error != Success) - return error; - if (!AddResource (stuff->pid, PictureType, (pointer)pPicture)) - return BadAlloc; - return Success; -} - - -static int -ProcRenderDispatch (ClientPtr client) -{ - REQUEST(xReq); - - if (stuff->data < RenderNumberRequests) - return (*ProcRenderVector[stuff->data]) (client); - 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); - swaps(&stuff->xOrigin, n); - swaps(&stuff->yOrigin, 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 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 -SProcRenderAddTraps (ClientPtr client) -{ - register int n; - REQUEST (xRenderAddTrapsReq); - REQUEST_AT_LEAST_SIZE (xRenderAddTrapsReq); - - swaps(&stuff->length, n); - swapl(&stuff->picture, n); - swaps(&stuff->xOff, n); - swaps(&stuff->yOff, n); - SwapRestL(stuff); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderCreateSolidFill(ClientPtr client) -{ - register int n; - REQUEST (xRenderCreateSolidFillReq); - REQUEST_AT_LEAST_SIZE (xRenderCreateSolidFillReq); - - swaps(&stuff->length, n); - swapl(&stuff->pid, n); - swaps(&stuff->color.alpha, n); - swaps(&stuff->color.red, n); - swaps(&stuff->color.green, n); - swaps(&stuff->color.blue, n); - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static void swapStops(void *stuff, int num) -{ - int i, n; - CARD32 *stops; - CARD16 *colors; - stops = (CARD32 *)(stuff); - for (i = 0; i < num; ++i) { - swapl(stops, n); - ++stops; - } - colors = (CARD16 *)(stops); - for (i = 0; i < 4*num; ++i) { - swaps(stops, n); - ++stops; - } -} - -static int -SProcRenderCreateLinearGradient (ClientPtr client) -{ - register int n; - int len; - REQUEST (xRenderCreateLinearGradientReq); - REQUEST_AT_LEAST_SIZE (xRenderCreateLinearGradientReq); - - swaps(&stuff->length, n); - swapl(&stuff->pid, n); - swapl(&stuff->p1.x, n); - swapl(&stuff->p1.y, n); - swapl(&stuff->p2.x, n); - swapl(&stuff->p2.y, n); - swapl(&stuff->nStops, n); - - len = (client->req_len << 2) - sizeof(xRenderCreateLinearGradientReq); - if (stuff->nStops > UINT32_MAX/(sizeof(xFixed) + sizeof(xRenderColor))) - return BadLength; - if (len != stuff->nStops*(sizeof(xFixed) + sizeof(xRenderColor))) - return BadLength; - - swapStops(stuff+1, stuff->nStops); - - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderCreateRadialGradient (ClientPtr client) -{ - register int n; - int len; - REQUEST (xRenderCreateRadialGradientReq); - REQUEST_AT_LEAST_SIZE (xRenderCreateRadialGradientReq); - - swaps(&stuff->length, n); - swapl(&stuff->pid, n); - swapl(&stuff->inner.x, n); - swapl(&stuff->inner.y, n); - swapl(&stuff->outer.x, n); - swapl(&stuff->outer.y, n); - swapl(&stuff->inner_radius, n); - swapl(&stuff->outer_radius, n); - swapl(&stuff->nStops, n); - - len = (client->req_len << 2) - sizeof(xRenderCreateRadialGradientReq); - if (stuff->nStops > UINT32_MAX/(sizeof(xFixed) + sizeof(xRenderColor))) - return BadLength; - if (len != stuff->nStops*(sizeof(xFixed) + sizeof(xRenderColor))) - return BadLength; - - swapStops(stuff+1, stuff->nStops); - - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderCreateConicalGradient (ClientPtr client) -{ - register int n; - int len; - REQUEST (xRenderCreateConicalGradientReq); - REQUEST_AT_LEAST_SIZE (xRenderCreateConicalGradientReq); - - swaps(&stuff->length, n); - swapl(&stuff->pid, n); - swapl(&stuff->center.x, n); - swapl(&stuff->center.y, n); - swapl(&stuff->angle, n); - swapl(&stuff->nStops, n); - - len = (client->req_len << 2) - sizeof(xRenderCreateConicalGradientReq); - if (stuff->nStops > UINT32_MAX/(sizeof(xFixed) + sizeof(xRenderColor))) - return BadLength; - if (len != stuff->nStops*(sizeof(xFixed) + sizeof(xRenderColor))) - return BadLength; - - swapStops(stuff+1, stuff->nStops); - - return (*ProcRenderVector[stuff->renderReqType]) (client); -} - -static int -SProcRenderDispatch (ClientPtr client) -{ - REQUEST(xReq); - - if (stuff->data < RenderNumberRequests) - return (*SProcRenderVector[stuff->data]) (client); - else - return BadRequest; -} - -#ifdef PANORAMIX -#include "panoramiX.h" -#include "panoramiXsrv.h" - -#define VERIFY_XIN_PICTURE(pPicture, pid, client, mode) {\ - int rc = dixLookupResourceByType((pointer *)&(pPicture), pid,\ - XRT_PICTURE, client, mode);\ - if (rc != Success)\ - return (rc == BadValue) ? RenderErrBase + BadPicture : rc;\ -} - -#define VERIFY_XIN_ALPHA(pPicture, pid, client, mode) {\ - if (pid == None) \ - pPicture = 0; \ - else { \ - VERIFY_XIN_PICTURE(pPicture, pid, client, mode); \ - } \ -} \ - -int (*PanoramiXSaveRenderVector[RenderNumberRequests])(ClientPtr); - -unsigned long XRT_PICTURE; - -static int -PanoramiXRenderCreatePicture (ClientPtr client) -{ - REQUEST(xRenderCreatePictureReq); - PanoramiXRes *refDraw, *newPict; - int result, j; - - REQUEST_AT_LEAST_SIZE(xRenderCreatePictureReq); - result = dixLookupResourceByClass((pointer *)&refDraw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - if(!(newPict = (PanoramiXRes *) malloc(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 - free(newPict); - - return (result); -} - -static int -PanoramiXRenderChangePicture (ClientPtr client) -{ - PanoramiXRes *pict; - int result = Success, j; - REQUEST(xRenderChangePictureReq); - - REQUEST_AT_LEAST_SIZE(xRenderChangePictureReq); - - VERIFY_XIN_PICTURE(pict, stuff->picture, client, DixWriteAccess); - - 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, DixWriteAccess); - - FOR_NSCREENS_BACKWARD(j) { - stuff->picture = pict->info[j].id; - result = (*PanoramiXSaveRenderVector[X_RenderSetPictureClipRectangles]) (client); - if(result != Success) break; - } - - return (result); -} - -static int -PanoramiXRenderSetPictureTransform (ClientPtr client) -{ - REQUEST(xRenderSetPictureTransformReq); - int result = Success, j; - PanoramiXRes *pict; - - REQUEST_AT_LEAST_SIZE(xRenderSetPictureTransformReq); - - VERIFY_XIN_PICTURE(pict, stuff->picture, client, DixWriteAccess); - - FOR_NSCREENS_BACKWARD(j) { - stuff->picture = pict->info[j].id; - result = (*PanoramiXSaveRenderVector[X_RenderSetPictureTransform]) (client); - if(result != Success) break; - } - - return (result); -} - -static int -PanoramiXRenderSetPictureFilter (ClientPtr client) -{ - REQUEST(xRenderSetPictureFilterReq); - int result = Success, j; - PanoramiXRes *pict; - - REQUEST_AT_LEAST_SIZE(xRenderSetPictureFilterReq); - - VERIFY_XIN_PICTURE(pict, stuff->picture, client, DixWriteAccess); - - FOR_NSCREENS_BACKWARD(j) { - stuff->picture = pict->info[j].id; - result = (*PanoramiXSaveRenderVector[X_RenderSetPictureFilter]) (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, DixDestroyAccess); - - - 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, DixReadAccess); - VERIFY_XIN_ALPHA (msk, stuff->mask, client, DixReadAccess); - VERIFY_XIN_PICTURE (dst, stuff->dst, client, DixWriteAccess); - - 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, DixReadAccess); - VERIFY_XIN_PICTURE (dst, stuff->dst, client, DixWriteAccess); - - 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, DixWriteAccess); - extra_len = (client->req_len << 2) - sizeof (xRenderFillRectanglesReq); - if (extra_len && - (extra = (char *) malloc(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; - } - free(extra); - } - - return result; -} - -static int -PanoramiXRenderTrapezoids(ClientPtr client) -{ - PanoramiXRes *src, *dst; - int result = Success, j; - REQUEST(xRenderTrapezoidsReq); - char *extra; - int extra_len; - - REQUEST_AT_LEAST_SIZE (xRenderTrapezoidsReq); - - VERIFY_XIN_PICTURE (src, stuff->src, client, DixReadAccess); - VERIFY_XIN_PICTURE (dst, stuff->dst, client, DixWriteAccess); - - extra_len = (client->req_len << 2) - sizeof (xRenderTrapezoidsReq); - - if (extra_len && - (extra = (char *) malloc(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) { - xTrapezoid *trap = (xTrapezoid *) (stuff + 1); - int i = extra_len / sizeof (xTrapezoid); - - while (i--) { - trap->top -= y_off; - trap->bottom -= y_off; - trap->left.p1.x -= x_off; - trap->left.p1.y -= y_off; - trap->left.p2.x -= x_off; - trap->left.p2.y -= y_off; - trap->right.p1.x -= x_off; - trap->right.p1.y -= y_off; - trap->right.p2.x -= x_off; - trap->right.p2.y -= y_off; - trap++; - } - } - } - - stuff->src = src->info[j].id; - stuff->dst = dst->info[j].id; - result = - (*PanoramiXSaveRenderVector[X_RenderTrapezoids]) (client); - - if(result != Success) break; - } - - free(extra); - } - - return result; -} - -static int -PanoramiXRenderTriangles(ClientPtr client) -{ - PanoramiXRes *src, *dst; - int result = Success, j; - REQUEST(xRenderTrianglesReq); - char *extra; - int extra_len; - - REQUEST_AT_LEAST_SIZE (xRenderTrianglesReq); - - VERIFY_XIN_PICTURE (src, stuff->src, client, DixReadAccess); - VERIFY_XIN_PICTURE (dst, stuff->dst, client, DixWriteAccess); - - extra_len = (client->req_len << 2) - sizeof (xRenderTrianglesReq); - - if (extra_len && - (extra = (char *) malloc(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) { - xTriangle *tri = (xTriangle *) (stuff + 1); - int i = extra_len / sizeof (xTriangle); - - while (i--) { - tri->p1.x -= x_off; - tri->p1.y -= y_off; - tri->p2.x -= x_off; - tri->p2.y -= y_off; - tri->p3.x -= x_off; - tri->p3.y -= y_off; - tri++; - } - } - } - - stuff->src = src->info[j].id; - stuff->dst = dst->info[j].id; - result = - (*PanoramiXSaveRenderVector[X_RenderTriangles]) (client); - - if(result != Success) break; - } - - free(extra); - } - - return result; -} - -static int -PanoramiXRenderTriStrip(ClientPtr client) -{ - PanoramiXRes *src, *dst; - int result = Success, j; - REQUEST(xRenderTriStripReq); - char *extra; - int extra_len; - - REQUEST_AT_LEAST_SIZE (xRenderTriStripReq); - - VERIFY_XIN_PICTURE (src, stuff->src, client, DixReadAccess); - VERIFY_XIN_PICTURE (dst, stuff->dst, client, DixWriteAccess); - - extra_len = (client->req_len << 2) - sizeof (xRenderTriStripReq); - - if (extra_len && - (extra = (char *) malloc(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) { - xPointFixed *fixed = (xPointFixed *) (stuff + 1); - int i = extra_len / sizeof (xPointFixed); - - while (i--) { - fixed->x -= x_off; - fixed->y -= y_off; - fixed++; - } - } - } - - stuff->src = src->info[j].id; - stuff->dst = dst->info[j].id; - result = - (*PanoramiXSaveRenderVector[X_RenderTriStrip]) (client); - - if(result != Success) break; - } - - free(extra); - } - - return result; -} - -static int -PanoramiXRenderTriFan(ClientPtr client) -{ - PanoramiXRes *src, *dst; - int result = Success, j; - REQUEST(xRenderTriFanReq); - char *extra; - int extra_len; - - REQUEST_AT_LEAST_SIZE (xRenderTriFanReq); - - VERIFY_XIN_PICTURE (src, stuff->src, client, DixReadAccess); - VERIFY_XIN_PICTURE (dst, stuff->dst, client, DixWriteAccess); - - extra_len = (client->req_len << 2) - sizeof (xRenderTriFanReq); - - if (extra_len && - (extra = (char *) malloc(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) { - xPointFixed *fixed = (xPointFixed *) (stuff + 1); - int i = extra_len / sizeof (xPointFixed); - - while (i--) { - fixed->x -= x_off; - fixed->y -= y_off; - fixed++; - } - } - } - - stuff->src = src->info[j].id; - stuff->dst = dst->info[j].id; - result = - (*PanoramiXSaveRenderVector[X_RenderTriFan]) (client); - - if(result != Success) break; - } - - free(extra); - } - - return result; -} - -static int -PanoramiXRenderAddTraps (ClientPtr client) -{ - PanoramiXRes *picture; - int result = Success, j; - REQUEST(xRenderAddTrapsReq); - char *extra; - int extra_len; - INT16 x_off, y_off; - - REQUEST_AT_LEAST_SIZE (xRenderAddTrapsReq); - VERIFY_XIN_PICTURE (picture, stuff->picture, client, DixWriteAccess); - extra_len = (client->req_len << 2) - sizeof (xRenderAddTrapsReq); - if (extra_len && - (extra = (char *) malloc(extra_len))) - { - memcpy (extra, stuff + 1, extra_len); - x_off = stuff->xOff; - y_off = stuff->yOff; - FOR_NSCREENS_FORWARD(j) { - if (j) memcpy (stuff + 1, extra, extra_len); - stuff->picture = picture->info[j].id; - - if (picture->u.pict.root) - { - stuff->xOff = x_off + panoramiXdataPtr[j].x; - stuff->yOff = y_off + panoramiXdataPtr[j].y; - } - result = (*PanoramiXSaveRenderVector[X_RenderAddTraps]) (client); - if(result != Success) break; - } - free(extra); - } - - return result; -} - -static int -PanoramiXRenderCreateSolidFill (ClientPtr client) -{ - REQUEST(xRenderCreateSolidFillReq); - PanoramiXRes *newPict; - int result = Success, j; - - REQUEST_AT_LEAST_SIZE(xRenderCreateSolidFillReq); - - if(!(newPict = (PanoramiXRes *) malloc(sizeof(PanoramiXRes)))) - return BadAlloc; - - newPict->type = XRT_PICTURE; - newPict->info[0].id = stuff->pid; - 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; - result = (*PanoramiXSaveRenderVector[X_RenderCreateSolidFill]) (client); - if(result != Success) break; - } - - if (result == Success) - AddResource(newPict->info[0].id, XRT_PICTURE, newPict); - else - free(newPict); - - return result; -} - -static int -PanoramiXRenderCreateLinearGradient (ClientPtr client) -{ - REQUEST(xRenderCreateLinearGradientReq); - PanoramiXRes *newPict; - int result = Success, j; - - REQUEST_AT_LEAST_SIZE(xRenderCreateLinearGradientReq); - - if(!(newPict = (PanoramiXRes *) malloc(sizeof(PanoramiXRes)))) - return BadAlloc; - - newPict->type = XRT_PICTURE; - newPict->info[0].id = stuff->pid; - 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; - result = (*PanoramiXSaveRenderVector[X_RenderCreateLinearGradient]) (client); - if(result != Success) break; - } - - if (result == Success) - AddResource(newPict->info[0].id, XRT_PICTURE, newPict); - else - free(newPict); - - return result; -} - -static int -PanoramiXRenderCreateRadialGradient (ClientPtr client) -{ - REQUEST(xRenderCreateRadialGradientReq); - PanoramiXRes *newPict; - int result = Success, j; - - REQUEST_AT_LEAST_SIZE(xRenderCreateRadialGradientReq); - - if(!(newPict = (PanoramiXRes *) malloc(sizeof(PanoramiXRes)))) - return BadAlloc; - - newPict->type = XRT_PICTURE; - newPict->info[0].id = stuff->pid; - 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; - result = (*PanoramiXSaveRenderVector[X_RenderCreateRadialGradient]) (client); - if(result != Success) break; - } - - if (result == Success) - AddResource(newPict->info[0].id, XRT_PICTURE, newPict); - else - free(newPict); - - return result; -} - -static int -PanoramiXRenderCreateConicalGradient (ClientPtr client) -{ - REQUEST(xRenderCreateConicalGradientReq); - PanoramiXRes *newPict; - int result = Success, j; - - REQUEST_AT_LEAST_SIZE(xRenderCreateConicalGradientReq); - - if(!(newPict = (PanoramiXRes *) malloc(sizeof(PanoramiXRes)))) - return BadAlloc; - - newPict->type = XRT_PICTURE; - newPict->info[0].id = stuff->pid; - 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; - result = (*PanoramiXSaveRenderVector[X_RenderCreateConicalGradient]) (client); - if(result != Success) break; - } - - if (result == Success) - AddResource(newPict->info[0].id, XRT_PICTURE, newPict); - else - free(newPict); - - return result; -} - -void -PanoramiXRenderInit (void) -{ - int i; - - XRT_PICTURE = CreateNewResourceType (XineramaDeleteResource, - "XineramaPicture"); - 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_RenderSetPictureTransform] = PanoramiXRenderSetPictureTransform; - ProcRenderVector[X_RenderSetPictureFilter] = PanoramiXRenderSetPictureFilter; - 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; - - ProcRenderVector[X_RenderTrapezoids] = PanoramiXRenderTrapezoids; - ProcRenderVector[X_RenderTriangles] = PanoramiXRenderTriangles; - ProcRenderVector[X_RenderTriStrip] = PanoramiXRenderTriStrip; - ProcRenderVector[X_RenderTriFan] = PanoramiXRenderTriFan; - ProcRenderVector[X_RenderAddTraps] = PanoramiXRenderAddTraps; - - ProcRenderVector[X_RenderCreateSolidFill] = PanoramiXRenderCreateSolidFill; - ProcRenderVector[X_RenderCreateLinearGradient] = PanoramiXRenderCreateLinearGradient; - ProcRenderVector[X_RenderCreateRadialGradient] = PanoramiXRenderCreateRadialGradient; - ProcRenderVector[X_RenderCreateConicalGradient] = PanoramiXRenderCreateConicalGradient; -} - -void -PanoramiXRenderReset (void) -{ - int i; - for (i = 0; i < RenderNumberRequests; i++) - ProcRenderVector[i] = PanoramiXSaveRenderVector[i]; -} - -#endif /* PANORAMIX */ +/* + * + * 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. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include +#include +#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 +#include +#include "picturestr.h" +#include "glyphstr.h" +#include +#include "cursorstr.h" +#include "xace.h" +#include "protocol-versions.h" + +#if HAVE_STDINT_H +#include +#elif !defined(UINT32_MAX) +#define UINT32_MAX 0xffffffffU +#endif + +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 ProcRenderAddTraps (ClientPtr pClient); +static int ProcRenderCreateSolidFill (ClientPtr pClient); +static int ProcRenderCreateLinearGradient (ClientPtr pClient); +static int ProcRenderCreateRadialGradient (ClientPtr pClient); +static int ProcRenderCreateConicalGradient (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 SProcRenderAddTraps (ClientPtr pClient); +static int SProcRenderCreateSolidFill (ClientPtr pClient); +static int SProcRenderCreateLinearGradient (ClientPtr pClient); +static int SProcRenderCreateRadialGradient (ClientPtr pClient); +static int SProcRenderCreateConicalGradient (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, + ProcRenderAddTraps, + ProcRenderCreateSolidFill, + ProcRenderCreateLinearGradient, + ProcRenderCreateRadialGradient, + ProcRenderCreateConicalGradient +}; + +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, + SProcRenderAddTraps, + SProcRenderCreateSolidFill, + SProcRenderCreateLinearGradient, + SProcRenderCreateRadialGradient, + SProcRenderCreateConicalGradient +}; + +int RenderErrBase; +static int RenderClientPrivateKeyIndex; +DevPrivateKey RenderClientPrivateKey = &RenderClientPrivateKeyIndex; + +typedef struct _RenderClient { + int major_version; + int minor_version; +} RenderClientRec, *RenderClientPtr; + +#define GetRenderClient(pClient) ((RenderClientPtr)dixLookupPrivate(&(pClient)->devPrivates, RenderClientPrivateKey)) + +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; + if (!dixRequestPrivate(RenderClientPrivateKey, sizeof(RenderClientRec))) + return; + if (!AddCallback (&ClientStateCallback, RenderClientCallback, 0)) + return; + + extEntry = AddExtension (RENDER_NAME, 0, RenderNumberErrors, + ProcRenderDispatch, SProcRenderDispatch, + NULL, StandardMinorOpcode); + if (!extEntry) + return; + RenderErrBase = extEntry->errorBase; +} + +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); + memset(&rep, 0, sizeof(xRenderQueryVersionReply)); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + if ((stuff->majorVersion * 1000 + stuff->minorVersion) < + (SERVER_RENDER_MAJOR_VERSION * 1000 + SERVER_RENDER_MINOR_VERSION)) + { + rep.majorVersion = stuff->majorVersion; + rep.minorVersion = stuff->minorVersion; + } else + { + rep.majorVersion = SERVER_RENDER_MAJOR_VERSION; + rep.minorVersion = SERVER_RENDER_MINOR_VERSION; + } + + 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 Success; +} + +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; +} + +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; +/* 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 *) calloc(1, rlength); + if (!reply) + return BadAlloc; + reply->type = X_Reply; + reply->sequenceNumber = client->sequence; + reply->length = bytes_to_int32(rlength - sizeof(xGenericReply)); + 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 = pFormat->direct.alpha; + 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); + free(reply); + return Success; +} + +static int +ProcRenderQueryPictIndexValues (ClientPtr client) +{ + PictFormatPtr pFormat; + int rc, num; + int rlength; + int i, n; + REQUEST(xRenderQueryPictIndexValuesReq); + xRenderQueryPictIndexValuesReply *reply; + xIndexValue *values; + + REQUEST_AT_LEAST_SIZE(xRenderQueryPictIndexValuesReq); + + rc = dixLookupResourceByType((pointer *)&pFormat, stuff->format, + PictFormatType, client, DixReadAccess); + if (rc != Success) + return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; + + if (pFormat->type != PictTypeIndexed) + { + client->errorValue = stuff->format; + return BadMatch; + } + num = pFormat->index.nvalues; + rlength = (sizeof (xRenderQueryPictIndexValuesReply) + + num * sizeof(xIndexValue)); + reply = (xRenderQueryPictIndexValuesReply *) malloc(rlength); + if (!reply) + return BadAlloc; + + reply->type = X_Reply; + reply->sequenceNumber = client->sequence; + reply->length = bytes_to_int32(rlength - sizeof(xGenericReply)); + 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); + free(reply); + return Success; +} + +static int +ProcRenderQueryDithers (ClientPtr client) +{ + return BadImplementation; +} + +static int +ProcRenderCreatePicture (ClientPtr client) +{ + PicturePtr pPicture; + DrawablePtr pDrawable; + PictFormatPtr pFormat; + int len, error, rc; + REQUEST(xRenderCreatePictureReq); + + REQUEST_AT_LEAST_SIZE(xRenderCreatePictureReq); + + LEGAL_NEW_RESOURCE(stuff->pid, client); + rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, + DixReadAccess|DixAddAccess); + if (rc != Success) + return rc; + + rc = dixLookupResourceByType((pointer *)&pFormat, stuff->format, + PictFormatType, client, DixReadAccess); + if (rc != Success) + return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; + + if (pFormat->depth != pDrawable->depth) + return BadMatch; + len = client->req_len - bytes_to_int32(sizeof(xRenderCreatePictureReq)); + if (Ones(stuff->mask) != len) + return BadLength; + + pPicture = CreatePicture (stuff->pid, + pDrawable, + pFormat, + stuff->mask, + (XID *) (stuff + 1), + client, + &error); + if (!pPicture) + return error; + if (!AddResource (stuff->pid, PictureType, (pointer)pPicture)) + return BadAlloc; + return Success; +} + +static int +ProcRenderChangePicture (ClientPtr client) +{ + PicturePtr pPicture; + REQUEST(xRenderChangePictureReq); + int len; + + REQUEST_AT_LEAST_SIZE(xRenderChangePictureReq); + VERIFY_PICTURE (pPicture, stuff->picture, client, DixSetAttrAccess); + + len = client->req_len - bytes_to_int32(sizeof(xRenderChangePictureReq)); + if (Ones(stuff->mask) != len) + return BadLength; + + return ChangePicture (pPicture, stuff->mask, (XID *) (stuff + 1), + (DevUnion *) 0, client); +} + +static int +ProcRenderSetPictureClipRectangles (ClientPtr client) +{ + REQUEST(xRenderSetPictureClipRectanglesReq); + PicturePtr pPicture; + int nr; + + REQUEST_AT_LEAST_SIZE(xRenderSetPictureClipRectanglesReq); + VERIFY_PICTURE (pPicture, stuff->picture, client, DixSetAttrAccess); + if (!pPicture->pDrawable) + return BadDrawable; + + nr = (client->req_len << 2) - sizeof(xRenderSetPictureClipRectanglesReq); + if (nr & 4) + return BadLength; + nr >>= 3; + return SetPictureClipRects (pPicture, + stuff->xOrigin, stuff->yOrigin, + nr, (xRectangle *) &stuff[1]); +} + +static int +ProcRenderFreePicture (ClientPtr client) +{ + PicturePtr pPicture; + REQUEST(xRenderFreePictureReq); + + REQUEST_SIZE_MATCH(xRenderFreePictureReq); + + VERIFY_PICTURE (pPicture, stuff->picture, client, DixDestroyAccess); + FreeResource (stuff->picture, RT_NONE); + return Success; +} + +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; + if (PictOpBlendMinimum <= op && op <= PictOpBlendMaximum) + return TRUE; + return FALSE; +} + +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 (pDst, stuff->dst, client, DixWriteAccess); + if (!pDst->pDrawable) + return BadDrawable; + VERIFY_PICTURE (pSrc, stuff->src, client, DixReadAccess); + VERIFY_ALPHA (pMask, stuff->mask, client, DixReadAccess); + if ((pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) || + (pMask && pMask->pDrawable && pDst->pDrawable->pScreen != pMask->pDrawable->pScreen)) + return BadMatch; + CompositePicture (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 rc, 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, DixReadAccess); + VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess); + if (!pDst->pDrawable) + return BadDrawable; + if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) + return BadMatch; + if (stuff->maskFormat) + { + rc = dixLookupResourceByType((pointer *)&pFormat, stuff->maskFormat, + PictFormatType, client, DixReadAccess); + if (rc != Success) + return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; + } + else + pFormat = 0; + ntraps = (client->req_len << 2) - sizeof (xRenderTrapezoidsReq); + if (ntraps % sizeof (xTrapezoid)) + return BadLength; + ntraps /= sizeof (xTrapezoid); + if (ntraps) + CompositeTrapezoids (stuff->op, pSrc, pDst, pFormat, + stuff->xSrc, stuff->ySrc, + ntraps, (xTrapezoid *) &stuff[1]); + return Success; +} + +static int +ProcRenderTriangles (ClientPtr client) +{ + int rc, 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, DixReadAccess); + VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess); + if (!pDst->pDrawable) + return BadDrawable; + if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) + return BadMatch; + if (stuff->maskFormat) + { + rc = dixLookupResourceByType((pointer *)&pFormat, stuff->maskFormat, + PictFormatType, client, DixReadAccess); + if (rc != Success) + return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; + } + 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 Success; +} + +static int +ProcRenderTriStrip (ClientPtr client) +{ + int rc, 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, DixReadAccess); + VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess); + if (!pDst->pDrawable) + return BadDrawable; + if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) + return BadMatch; + if (stuff->maskFormat) + { + rc = dixLookupResourceByType((pointer *)&pFormat, stuff->maskFormat, + PictFormatType, client, DixReadAccess); + if (rc != Success) + return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; + } + 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 Success; +} + +static int +ProcRenderTriFan (ClientPtr client) +{ + int rc, 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, DixReadAccess); + VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess); + if (!pDst->pDrawable) + return BadDrawable; + if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) + return BadMatch; + if (stuff->maskFormat) + { + rc = dixLookupResourceByType((pointer *)&pFormat, stuff->maskFormat, + PictFormatType, client, DixReadAccess); + if (rc != Success) + return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; + } + 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 Success; +} + +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 rc, f; + REQUEST(xRenderCreateGlyphSetReq); + + REQUEST_SIZE_MATCH(xRenderCreateGlyphSetReq); + + LEGAL_NEW_RESOURCE(stuff->gsid, client); + rc = dixLookupResourceByType((pointer *)&format, stuff->format, + PictFormatType, client, DixReadAccess); + if (rc != Success) + return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; + + 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; + /* security creation/labeling check */ + rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->gsid, GlyphSetType, + glyphSet, RT_NONE, NULL, DixCreateAccess); + if (rc != Success) + return rc; + if (!AddResource (stuff->gsid, GlyphSetType, (pointer)glyphSet)) + return BadAlloc; + return Success; +} + +static int +ProcRenderReferenceGlyphSet (ClientPtr client) +{ + GlyphSetPtr glyphSet; + int rc; + REQUEST(xRenderReferenceGlyphSetReq); + + REQUEST_SIZE_MATCH(xRenderReferenceGlyphSetReq); + + LEGAL_NEW_RESOURCE(stuff->gsid, client); + + rc = dixLookupResourceByType((pointer *)&glyphSet, stuff->existing, GlyphSetType, + client, DixGetAttrAccess); + if (rc != Success) + { + client->errorValue = stuff->existing; + return (rc == BadValue) ? RenderErrBase + BadGlyphSet : rc; + } + glyphSet->refcnt++; + if (!AddResource (stuff->gsid, GlyphSetType, (pointer)glyphSet)) + return BadAlloc; + return Success; +} + +#define NLOCALDELTA 64 +#define NLOCALGLYPH 256 + +static int +ProcRenderFreeGlyphSet (ClientPtr client) +{ + GlyphSetPtr glyphSet; + int rc; + REQUEST(xRenderFreeGlyphSetReq); + + REQUEST_SIZE_MATCH(xRenderFreeGlyphSetReq); + rc = dixLookupResourceByType((pointer *)&glyphSet, stuff->glyphset, GlyphSetType, + client, DixDestroyAccess); + if (rc != Success) + { + client->errorValue = stuff->glyphset; + return (rc == BadValue) ? RenderErrBase + BadGlyphSet : rc; + } + FreeResource (stuff->glyphset, RT_NONE); + return Success; +} + +typedef struct _GlyphNew { + Glyph id; + GlyphPtr glyph; + Bool found; + unsigned char sha1[20]; +} GlyphNewRec, *GlyphNewPtr; + +#define NeedsComponent(f) (PICT_FORMAT_A(f) != 0 && PICT_FORMAT_RGB(f) != 0) + +static int +ProcRenderAddGlyphs (ClientPtr client) +{ + GlyphSetPtr glyphSet; + REQUEST(xRenderAddGlyphsReq); + GlyphNewRec glyphsLocal[NLOCALGLYPH]; + GlyphNewPtr glyphsBase, glyphs, glyph_new; + int remain, nglyphs; + CARD32 *gids; + xGlyphInfo *gi; + CARD8 *bits; + unsigned int size; + int err; + int i, screen; + PicturePtr pSrc = NULL, pDst = NULL; + PixmapPtr pSrcPix = NULL, pDstPix = NULL; + CARD32 component_alpha; + + REQUEST_AT_LEAST_SIZE(xRenderAddGlyphsReq); + err = dixLookupResourceByType((pointer *)&glyphSet, stuff->glyphset, GlyphSetType, + client, DixAddAccess); + if (err != Success) + { + client->errorValue = stuff->glyphset; + return (err == BadValue) ? RenderErrBase + BadGlyphSet : err; + } + + err = BadAlloc; + nglyphs = stuff->nglyphs; + if (nglyphs > UINT32_MAX / sizeof(GlyphNewRec)) + return BadAlloc; + + component_alpha = NeedsComponent (glyphSet->format->format); + + if (nglyphs <= NLOCALGLYPH) { + memset (glyphsLocal, 0, sizeof (glyphsLocal)); + glyphsBase = glyphsLocal; + } + else + { + glyphsBase = (GlyphNewPtr)calloc(nglyphs, sizeof (GlyphNewRec)); + if (!glyphsBase) + return BadAlloc; + } + + remain = (client->req_len << 2) - sizeof (xRenderAddGlyphsReq); + + glyphs = glyphsBase; + + gids = (CARD32 *) (stuff + 1); + gi = (xGlyphInfo *) (gids + nglyphs); + bits = (CARD8 *) (gi + nglyphs); + remain -= (sizeof (CARD32) + sizeof (xGlyphInfo)) * nglyphs; + for (i = 0; i < nglyphs; i++) + { + size_t padded_width; + glyph_new = &glyphs[i]; + + padded_width = PixmapBytePad (gi[i].width, + glyphSet->format->depth); + + if (gi[i].height && padded_width > (UINT32_MAX - sizeof(GlyphRec))/gi[i].height) + break; + + size = gi[i].height * padded_width; + if (remain < size) + break; + + err = HashGlyph (&gi[i], bits, size, glyph_new->sha1); + if (err) + goto bail; + + glyph_new->glyph = FindGlyphByHash (glyph_new->sha1, + glyphSet->fdepth); + + if (glyph_new->glyph && glyph_new->glyph != DeletedGlyph) + { + glyph_new->found = TRUE; + } + else + { + GlyphPtr glyph; + + glyph_new->found = FALSE; + glyph_new->glyph = glyph = AllocateGlyph (&gi[i], glyphSet->fdepth); + if (! glyph) + { + err = BadAlloc; + goto bail; + } + + for (screen = 0; screen < screenInfo.numScreens; screen++) + { + int width = gi[i].width; + int height = gi[i].height; + int depth = glyphSet->format->depth; + ScreenPtr pScreen; + int error; + + /* Skip work if it's invisibly small anyway */ + if (!width || !height) + break; + + pScreen = screenInfo.screens[screen]; + pSrcPix = GetScratchPixmapHeader (pScreen, + width, height, + depth, depth, + -1, bits); + if (! pSrcPix) + { + err = BadAlloc; + goto bail; + } + + pSrc = CreatePicture (0, &pSrcPix->drawable, + glyphSet->format, 0, NULL, + serverClient, &error); + if (! pSrc) + { + err = BadAlloc; + goto bail; + } + + pDstPix = (pScreen->CreatePixmap) (pScreen, + width, height, depth, + CREATE_PIXMAP_USAGE_GLYPH_PICTURE); + + if (!pDstPix) + { + err = BadAlloc; + goto bail; + } + + GlyphPicture (glyph)[screen] = pDst = + CreatePicture (0, &pDstPix->drawable, + glyphSet->format, + CPComponentAlpha, &component_alpha, + serverClient, &error); + + /* The picture takes a reference to the pixmap, so we + drop ours. */ + (pScreen->DestroyPixmap) (pDstPix); + pDstPix = NULL; + + if (! pDst) + { + err = BadAlloc; + goto bail; + } + + CompositePicture (PictOpSrc, + pSrc, + None, + pDst, + 0, 0, + 0, 0, + 0, 0, + width, height); + + FreePicture ((pointer) pSrc, 0); + pSrc = NULL; + FreeScratchPixmapHeader (pSrcPix); + pSrcPix = NULL; + } + + memcpy (glyph_new->glyph->sha1, glyph_new->sha1, 20); + } + + glyph_new->id = gids[i]; + + if (size & 3) + size += 4 - (size & 3); + bits += size; + remain -= size; + } + if (remain || i < nglyphs) + { + err = BadLength; + goto bail; + } + if (!ResizeGlyphSet (glyphSet, nglyphs)) + { + err = BadAlloc; + goto bail; + } + for (i = 0; i < nglyphs; i++) + AddGlyph (glyphSet, glyphs[i].glyph, glyphs[i].id); + + if (glyphsBase != glyphsLocal) + free(glyphsBase); + return Success; +bail: + if (pSrc) + FreePicture ((pointer) pSrc, 0); + if (pSrcPix) + FreeScratchPixmapHeader (pSrcPix); + for (i = 0; i < nglyphs; i++) + if (glyphs[i].glyph && ! glyphs[i].found) + free(glyphs[i].glyph); + if (glyphsBase != glyphsLocal) + free(glyphsBase); + return err; +} + +static int +ProcRenderAddGlyphsFromPicture (ClientPtr client) +{ + return BadImplementation; +} + +static int +ProcRenderFreeGlyphs (ClientPtr client) +{ + REQUEST(xRenderFreeGlyphsReq); + GlyphSetPtr glyphSet; + int rc, nglyph; + CARD32 *gids; + CARD32 glyph; + + REQUEST_AT_LEAST_SIZE(xRenderFreeGlyphsReq); + rc = dixLookupResourceByType((pointer *)&glyphSet, stuff->glyphset, GlyphSetType, + client, DixRemoveAccess); + if (rc != Success) + { + client->errorValue = stuff->glyphset; + return (rc == BadValue) ? RenderErrBase + BadGlyphSet : rc; + } + nglyph = bytes_to_int32((client->req_len << 2) - sizeof (xRenderFreeGlyphsReq)); + gids = (CARD32 *) (stuff + 1); + while (nglyph-- > 0) + { + glyph = *gids++; + if (!DeleteGlyph (glyphSet, glyph)) + { + client->errorValue = glyph; + return RenderErrBase + BadGlyph; + } + } + return Success; +} + +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 rc, n; + + 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, DixReadAccess); + VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess); + if (!pDst->pDrawable) + return BadDrawable; + if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) + return BadMatch; + if (stuff->maskFormat) + { + rc = dixLookupResourceByType((pointer *)&pFormat, stuff->maskFormat, + PictFormatType, client, DixReadAccess); + if (rc != Success) + return (rc == BadValue) ? RenderErrBase + BadPictFormat : rc; + } + else + pFormat = 0; + + rc = dixLookupResourceByType((pointer *)&glyphSet, stuff->glyphset, + GlyphSetType, client, DixUseAccess); + if (rc != Success) + return (rc == BadValue) ? RenderErrBase + BadGlyphSet : rc; + + 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 *) malloc(nglyph * sizeof (GlyphPtr)); + if (!glyphsBase) + return BadAlloc; + } + if (nlist <= NLOCALDELTA) + listsBase = listsLocal; + else + { + listsBase = (GlyphListPtr) malloc(nlist * sizeof (GlyphListRec)); + if (!listsBase) + return BadAlloc; + } + buffer = (CARD8 *) (stuff + 1); + glyphs = glyphsBase; + lists = listsBase; + while (buffer + sizeof (xGlyphElt) < end) + { + elt = (xGlyphElt *) buffer; + buffer += sizeof (xGlyphElt); + + if (elt->len == 0xff) + { + if (buffer + sizeof (GlyphSet) < end) + { + memcpy(&gs, buffer, sizeof(GlyphSet)); + rc = dixLookupResourceByType((pointer *)&glyphSet, gs, + GlyphSetType, client, + DixUseAccess); + if (rc != Success) + { + if (glyphsBase != glyphsLocal) + free(glyphsBase); + if (listsBase != listsLocal) + free(listsBase); + return (rc == BadValue) ? RenderErrBase + BadGlyphSet : rc; + } + } + buffer += 4; + } + else + { + lists->xOff = elt->deltax; + lists->yOff = elt->deltay; + lists->format = glyphSet->format; + lists->len = 0; + 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++; + } + } + if (buffer > end) + return BadLength; + + CompositeGlyphs (stuff->op, + pSrc, + pDst, + pFormat, + stuff->xSrc, + stuff->ySrc, + nlist, + listsBase, + glyphsBase); + + if (glyphsBase != glyphsLocal) + free(glyphsBase); + if (listsBase != listsLocal) + free(listsBase); + + return Success; +} + +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, DixWriteAccess); + if (!pDst->pDrawable) + return BadDrawable; + + things = (client->req_len << 2) - sizeof(xRenderFillRectanglesReq); + if (things & 4) + return(BadLength); + things >>= 3; + + CompositeRects (stuff->op, + pDst, + &stuff->color, + things, + (xRectangle *) &stuff[1]); + + return Success; +} + +static void +RenderSetBit (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 rc, ncolor; + + REQUEST_SIZE_MATCH (xRenderCreateCursorReq); + LEGAL_NEW_RESOURCE(stuff->cid, client); + + VERIFY_PICTURE (pSrc, stuff->src, client, DixReadAccess); + if (!pSrc->pDrawable) + return BadDrawable; + pScreen = pSrc->pDrawable->pScreen; + width = pSrc->pDrawable->width; + height = pSrc->pDrawable->height; + if (height && width > UINT32_MAX/(height*sizeof(CARD32))) + return BadAlloc; + if ( stuff->x > width + || stuff->y > height ) + return (BadMatch); + argbbits = malloc(width * height * sizeof (CARD32)); + if (!argbbits) + return (BadAlloc); + + stride = BitmapBytePad(width); + nbytes_mono = stride*height; + srcbits = calloc(1, nbytes_mono); + if (!srcbits) + { + free(argbbits); + return (BadAlloc); + } + mskbits = calloc(1, nbytes_mono); + if (!mskbits) + { + free(argbbits); + free(srcbits); + return (BadAlloc); + } + + 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) + { + free(argbbits); + free(srcbits); + free(mskbits); + return (BadImplementation); + } + pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, 32, + CREATE_PIXMAP_USAGE_SCRATCH); + if (!pPixmap) + { + free(argbbits); + free(srcbits); + free(mskbits); + return (BadAlloc); + } + pPicture = CreatePicture (0, &pPixmap->drawable, pFormat, 0, 0, + client, &error); + if (!pPicture) + { + free(argbbits); + free(srcbits); + free(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)); + + RenderSetBit (mskline, x, a != 0); + RenderSetBit (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 */ + RenderSetBit(mskline, x, a > d); + /* Set src from dithered intensity value */ + RenderSetBit(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 + { + free(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; + rc = AllocARGBCursor(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), + &pCursor, client, stuff->cid); + if (rc != Success) + return rc; + if (!AddResource(stuff->cid, RT_CURSOR, (pointer)pCursor)) + return BadAlloc; + + return Success; +} + +static int +ProcRenderSetPictureTransform (ClientPtr client) +{ + REQUEST(xRenderSetPictureTransformReq); + PicturePtr pPicture; + + REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq); + VERIFY_PICTURE (pPicture, stuff->picture, client, DixSetAttrAccess); + return SetPictureTransform (pPicture, (PictTransform *) &stuff->transform); +} + +static int +ProcRenderQueryFilters (ClientPtr client) +{ + REQUEST (xRenderQueryFiltersReq); + DrawablePtr pDrawable; + xRenderQueryFiltersReply *reply; + int nbytesName; + int nnames; + ScreenPtr pScreen; + PictureScreenPtr ps; + int i, j, len, total_bytes, rc; + INT16 *aliases; + char *names; + + REQUEST_SIZE_MATCH(xRenderQueryFiltersReq); + rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, + DixGetAttrAccess); + if (rc != Success) + return rc; + + 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) + bytes_to_int32(nbytesName); + total_bytes = sizeof (xRenderQueryFiltersReply) + (len << 2); + reply = (xRenderQueryFiltersReply *) malloc(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 < 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); + free(reply); + + return Success; +} + +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, DixSetAttrAccess); + name = (char *) (stuff + 1); + params = (xFixed *) (name + pad_to_int32(stuff->nbytes)); + nparams = ((xFixed *) stuff + client->req_len) - params; + result = SetPictureFilter (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 - (bytes_to_int32(sizeof(xRenderCreateAnimCursorReq)))) >> 1; + cursors = malloc(ncursor * (sizeof (CursorPtr) + sizeof (CARD32))); + if (!cursors) + return BadAlloc; + deltas = (CARD32 *) (cursors + ncursor); + elt = (xAnimCursorElt *) (stuff + 1); + for (i = 0; i < ncursor; i++) + { + ret = dixLookupResourceByType((pointer *)(cursors + i), elt->cursor, + RT_CURSOR, client, DixReadAccess); + if (ret != Success) + { + free(cursors); + return (ret == BadValue) ? BadCursor : ret; + } + deltas[i] = elt->delay; + elt++; + } + ret = AnimCursorCreate (cursors, deltas, ncursor, &pCursor, client, + stuff->cid); + free(cursors); + if (ret != Success) + return ret; + + if (AddResource (stuff->cid, RT_CURSOR, (pointer)pCursor)) + return Success; + return BadAlloc; +} + +static int +ProcRenderAddTraps (ClientPtr client) +{ + int ntraps; + PicturePtr pPicture; + REQUEST(xRenderAddTrapsReq); + + REQUEST_AT_LEAST_SIZE(xRenderAddTrapsReq); + VERIFY_PICTURE (pPicture, stuff->picture, client, DixWriteAccess); + if (!pPicture->pDrawable) + return BadDrawable; + ntraps = (client->req_len << 2) - sizeof (xRenderAddTrapsReq); + if (ntraps % sizeof (xTrap)) + return BadLength; + ntraps /= sizeof (xTrap); + if (ntraps) + AddTraps (pPicture, + stuff->xOff, stuff->yOff, + ntraps, (xTrap *) &stuff[1]); + return Success; +} + +static int ProcRenderCreateSolidFill(ClientPtr client) +{ + PicturePtr pPicture; + int error = 0; + REQUEST(xRenderCreateSolidFillReq); + + REQUEST_AT_LEAST_SIZE(xRenderCreateSolidFillReq); + + LEGAL_NEW_RESOURCE(stuff->pid, client); + + pPicture = CreateSolidPicture(stuff->pid, &stuff->color, &error); + if (!pPicture) + return error; + /* security creation/labeling check */ + error = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, PictureType, + pPicture, RT_NONE, NULL, DixCreateAccess); + if (error != Success) + return error; + if (!AddResource (stuff->pid, PictureType, (pointer)pPicture)) + return BadAlloc; + return Success; +} + +static int ProcRenderCreateLinearGradient (ClientPtr client) +{ + PicturePtr pPicture; + int len; + int error = 0; + xFixed *stops; + xRenderColor *colors; + REQUEST(xRenderCreateLinearGradientReq); + + REQUEST_AT_LEAST_SIZE(xRenderCreateLinearGradientReq); + + LEGAL_NEW_RESOURCE(stuff->pid, client); + + len = (client->req_len << 2) - sizeof(xRenderCreateLinearGradientReq); + if (stuff->nStops > UINT32_MAX/(sizeof(xFixed) + sizeof(xRenderColor))) + return BadLength; + if (len != stuff->nStops*(sizeof(xFixed) + sizeof(xRenderColor))) + return BadLength; + + stops = (xFixed *)(stuff + 1); + colors = (xRenderColor *)(stops + stuff->nStops); + + pPicture = CreateLinearGradientPicture (stuff->pid, &stuff->p1, &stuff->p2, + stuff->nStops, stops, colors, &error); + if (!pPicture) + return error; + /* security creation/labeling check */ + error = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, PictureType, + pPicture, RT_NONE, NULL, DixCreateAccess); + if (error != Success) + return error; + if (!AddResource (stuff->pid, PictureType, (pointer)pPicture)) + return BadAlloc; + return Success; +} + +static int ProcRenderCreateRadialGradient (ClientPtr client) +{ + PicturePtr pPicture; + int len; + int error = 0; + xFixed *stops; + xRenderColor *colors; + REQUEST(xRenderCreateRadialGradientReq); + + REQUEST_AT_LEAST_SIZE(xRenderCreateRadialGradientReq); + + LEGAL_NEW_RESOURCE(stuff->pid, client); + + len = (client->req_len << 2) - sizeof(xRenderCreateRadialGradientReq); + if (len != stuff->nStops*(sizeof(xFixed) + sizeof(xRenderColor))) + return BadLength; + + stops = (xFixed *)(stuff + 1); + colors = (xRenderColor *)(stops + stuff->nStops); + + pPicture = CreateRadialGradientPicture (stuff->pid, &stuff->inner, &stuff->outer, + stuff->inner_radius, stuff->outer_radius, + stuff->nStops, stops, colors, &error); + if (!pPicture) + return error; + /* security creation/labeling check */ + error = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, PictureType, + pPicture, RT_NONE, NULL, DixCreateAccess); + if (error != Success) + return error; + if (!AddResource (stuff->pid, PictureType, (pointer)pPicture)) + return BadAlloc; + return Success; +} + +static int ProcRenderCreateConicalGradient (ClientPtr client) +{ + PicturePtr pPicture; + int len; + int error = 0; + xFixed *stops; + xRenderColor *colors; + REQUEST(xRenderCreateConicalGradientReq); + + REQUEST_AT_LEAST_SIZE(xRenderCreateConicalGradientReq); + + LEGAL_NEW_RESOURCE(stuff->pid, client); + + len = (client->req_len << 2) - sizeof(xRenderCreateConicalGradientReq); + if (len != stuff->nStops*(sizeof(xFixed) + sizeof(xRenderColor))) + return BadLength; + + stops = (xFixed *)(stuff + 1); + colors = (xRenderColor *)(stops + stuff->nStops); + + pPicture = CreateConicalGradientPicture (stuff->pid, &stuff->center, stuff->angle, + stuff->nStops, stops, colors, &error); + if (!pPicture) + return error; + /* security creation/labeling check */ + error = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, PictureType, + pPicture, RT_NONE, NULL, DixCreateAccess); + if (error != Success) + return error; + if (!AddResource (stuff->pid, PictureType, (pointer)pPicture)) + return BadAlloc; + return Success; +} + + +static int +ProcRenderDispatch (ClientPtr client) +{ + REQUEST(xReq); + + if (stuff->data < RenderNumberRequests) + return (*ProcRenderVector[stuff->data]) (client); + 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); + swaps(&stuff->xOrigin, n); + swaps(&stuff->yOrigin, 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 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 +SProcRenderAddTraps (ClientPtr client) +{ + register int n; + REQUEST (xRenderAddTrapsReq); + REQUEST_AT_LEAST_SIZE (xRenderAddTrapsReq); + + swaps(&stuff->length, n); + swapl(&stuff->picture, n); + swaps(&stuff->xOff, n); + swaps(&stuff->yOff, n); + SwapRestL(stuff); + return (*ProcRenderVector[stuff->renderReqType]) (client); +} + +static int +SProcRenderCreateSolidFill(ClientPtr client) +{ + register int n; + REQUEST (xRenderCreateSolidFillReq); + REQUEST_AT_LEAST_SIZE (xRenderCreateSolidFillReq); + + swaps(&stuff->length, n); + swapl(&stuff->pid, n); + swaps(&stuff->color.alpha, n); + swaps(&stuff->color.red, n); + swaps(&stuff->color.green, n); + swaps(&stuff->color.blue, n); + return (*ProcRenderVector[stuff->renderReqType]) (client); +} + +static void swapStops(void *stuff, int num) +{ + int i, n; + CARD32 *stops; + CARD16 *colors; + stops = (CARD32 *)(stuff); + for (i = 0; i < num; ++i) { + swapl(stops, n); + ++stops; + } + colors = (CARD16 *)(stops); + for (i = 0; i < 4*num; ++i) { + swaps(stops, n); + ++stops; + } +} + +static int +SProcRenderCreateLinearGradient (ClientPtr client) +{ + register int n; + int len; + REQUEST (xRenderCreateLinearGradientReq); + REQUEST_AT_LEAST_SIZE (xRenderCreateLinearGradientReq); + + swaps(&stuff->length, n); + swapl(&stuff->pid, n); + swapl(&stuff->p1.x, n); + swapl(&stuff->p1.y, n); + swapl(&stuff->p2.x, n); + swapl(&stuff->p2.y, n); + swapl(&stuff->nStops, n); + + len = (client->req_len << 2) - sizeof(xRenderCreateLinearGradientReq); + if (stuff->nStops > UINT32_MAX/(sizeof(xFixed) + sizeof(xRenderColor))) + return BadLength; + if (len != stuff->nStops*(sizeof(xFixed) + sizeof(xRenderColor))) + return BadLength; + + swapStops(stuff+1, stuff->nStops); + + return (*ProcRenderVector[stuff->renderReqType]) (client); +} + +static int +SProcRenderCreateRadialGradient (ClientPtr client) +{ + register int n; + int len; + REQUEST (xRenderCreateRadialGradientReq); + REQUEST_AT_LEAST_SIZE (xRenderCreateRadialGradientReq); + + swaps(&stuff->length, n); + swapl(&stuff->pid, n); + swapl(&stuff->inner.x, n); + swapl(&stuff->inner.y, n); + swapl(&stuff->outer.x, n); + swapl(&stuff->outer.y, n); + swapl(&stuff->inner_radius, n); + swapl(&stuff->outer_radius, n); + swapl(&stuff->nStops, n); + + len = (client->req_len << 2) - sizeof(xRenderCreateRadialGradientReq); + if (stuff->nStops > UINT32_MAX/(sizeof(xFixed) + sizeof(xRenderColor))) + return BadLength; + if (len != stuff->nStops*(sizeof(xFixed) + sizeof(xRenderColor))) + return BadLength; + + swapStops(stuff+1, stuff->nStops); + + return (*ProcRenderVector[stuff->renderReqType]) (client); +} + +static int +SProcRenderCreateConicalGradient (ClientPtr client) +{ + register int n; + int len; + REQUEST (xRenderCreateConicalGradientReq); + REQUEST_AT_LEAST_SIZE (xRenderCreateConicalGradientReq); + + swaps(&stuff->length, n); + swapl(&stuff->pid, n); + swapl(&stuff->center.x, n); + swapl(&stuff->center.y, n); + swapl(&stuff->angle, n); + swapl(&stuff->nStops, n); + + len = (client->req_len << 2) - sizeof(xRenderCreateConicalGradientReq); + if (stuff->nStops > UINT32_MAX/(sizeof(xFixed) + sizeof(xRenderColor))) + return BadLength; + if (len != stuff->nStops*(sizeof(xFixed) + sizeof(xRenderColor))) + return BadLength; + + swapStops(stuff+1, stuff->nStops); + + return (*ProcRenderVector[stuff->renderReqType]) (client); +} + +static int +SProcRenderDispatch (ClientPtr client) +{ + REQUEST(xReq); + + if (stuff->data < RenderNumberRequests) + return (*SProcRenderVector[stuff->data]) (client); + else + return BadRequest; +} + +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" + +#define VERIFY_XIN_PICTURE(pPicture, pid, client, mode) {\ + int rc = dixLookupResourceByType((pointer *)&(pPicture), pid,\ + XRT_PICTURE, client, mode);\ + if (rc != Success)\ + return (rc == BadValue) ? RenderErrBase + BadPicture : rc;\ +} + +#define VERIFY_XIN_ALPHA(pPicture, pid, client, mode) {\ + if (pid == None) \ + pPicture = 0; \ + else { \ + VERIFY_XIN_PICTURE(pPicture, pid, client, mode); \ + } \ +} \ + +int (*PanoramiXSaveRenderVector[RenderNumberRequests])(ClientPtr); + +unsigned long XRT_PICTURE; + +static int +PanoramiXRenderCreatePicture (ClientPtr client) +{ + REQUEST(xRenderCreatePictureReq); + PanoramiXRes *refDraw, *newPict; + int result, j; + + REQUEST_AT_LEAST_SIZE(xRenderCreatePictureReq); + result = dixLookupResourceByClass((pointer *)&refDraw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + if(!(newPict = (PanoramiXRes *) malloc(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 + free(newPict); + + return (result); +} + +static int +PanoramiXRenderChangePicture (ClientPtr client) +{ + PanoramiXRes *pict; + int result = Success, j; + REQUEST(xRenderChangePictureReq); + + REQUEST_AT_LEAST_SIZE(xRenderChangePictureReq); + + VERIFY_XIN_PICTURE(pict, stuff->picture, client, DixWriteAccess); + + 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, DixWriteAccess); + + FOR_NSCREENS_BACKWARD(j) { + stuff->picture = pict->info[j].id; + result = (*PanoramiXSaveRenderVector[X_RenderSetPictureClipRectangles]) (client); + if(result != Success) break; + } + + return (result); +} + +static int +PanoramiXRenderSetPictureTransform (ClientPtr client) +{ + REQUEST(xRenderSetPictureTransformReq); + int result = Success, j; + PanoramiXRes *pict; + + REQUEST_AT_LEAST_SIZE(xRenderSetPictureTransformReq); + + VERIFY_XIN_PICTURE(pict, stuff->picture, client, DixWriteAccess); + + FOR_NSCREENS_BACKWARD(j) { + stuff->picture = pict->info[j].id; + result = (*PanoramiXSaveRenderVector[X_RenderSetPictureTransform]) (client); + if(result != Success) break; + } + + return (result); +} + +static int +PanoramiXRenderSetPictureFilter (ClientPtr client) +{ + REQUEST(xRenderSetPictureFilterReq); + int result = Success, j; + PanoramiXRes *pict; + + REQUEST_AT_LEAST_SIZE(xRenderSetPictureFilterReq); + + VERIFY_XIN_PICTURE(pict, stuff->picture, client, DixWriteAccess); + + FOR_NSCREENS_BACKWARD(j) { + stuff->picture = pict->info[j].id; + result = (*PanoramiXSaveRenderVector[X_RenderSetPictureFilter]) (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, DixDestroyAccess); + + + 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, DixReadAccess); + VERIFY_XIN_ALPHA (msk, stuff->mask, client, DixReadAccess); + VERIFY_XIN_PICTURE (dst, stuff->dst, client, DixWriteAccess); + + 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, DixReadAccess); + VERIFY_XIN_PICTURE (dst, stuff->dst, client, DixWriteAccess); + + 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, DixWriteAccess); + extra_len = (client->req_len << 2) - sizeof (xRenderFillRectanglesReq); + if (extra_len && + (extra = (char *) malloc(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; + } + free(extra); + } + + return result; +} + +static int +PanoramiXRenderTrapezoids(ClientPtr client) +{ + PanoramiXRes *src, *dst; + int result = Success, j; + REQUEST(xRenderTrapezoidsReq); + char *extra; + int extra_len; + + REQUEST_AT_LEAST_SIZE (xRenderTrapezoidsReq); + + VERIFY_XIN_PICTURE (src, stuff->src, client, DixReadAccess); + VERIFY_XIN_PICTURE (dst, stuff->dst, client, DixWriteAccess); + + extra_len = (client->req_len << 2) - sizeof (xRenderTrapezoidsReq); + + if (extra_len && + (extra = (char *) malloc(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) { + xTrapezoid *trap = (xTrapezoid *) (stuff + 1); + int i = extra_len / sizeof (xTrapezoid); + + while (i--) { + trap->top -= y_off; + trap->bottom -= y_off; + trap->left.p1.x -= x_off; + trap->left.p1.y -= y_off; + trap->left.p2.x -= x_off; + trap->left.p2.y -= y_off; + trap->right.p1.x -= x_off; + trap->right.p1.y -= y_off; + trap->right.p2.x -= x_off; + trap->right.p2.y -= y_off; + trap++; + } + } + } + + stuff->src = src->info[j].id; + stuff->dst = dst->info[j].id; + result = + (*PanoramiXSaveRenderVector[X_RenderTrapezoids]) (client); + + if(result != Success) break; + } + + free(extra); + } + + return result; +} + +static int +PanoramiXRenderTriangles(ClientPtr client) +{ + PanoramiXRes *src, *dst; + int result = Success, j; + REQUEST(xRenderTrianglesReq); + char *extra; + int extra_len; + + REQUEST_AT_LEAST_SIZE (xRenderTrianglesReq); + + VERIFY_XIN_PICTURE (src, stuff->src, client, DixReadAccess); + VERIFY_XIN_PICTURE (dst, stuff->dst, client, DixWriteAccess); + + extra_len = (client->req_len << 2) - sizeof (xRenderTrianglesReq); + + if (extra_len && + (extra = (char *) malloc(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) { + xTriangle *tri = (xTriangle *) (stuff + 1); + int i = extra_len / sizeof (xTriangle); + + while (i--) { + tri->p1.x -= x_off; + tri->p1.y -= y_off; + tri->p2.x -= x_off; + tri->p2.y -= y_off; + tri->p3.x -= x_off; + tri->p3.y -= y_off; + tri++; + } + } + } + + stuff->src = src->info[j].id; + stuff->dst = dst->info[j].id; + result = + (*PanoramiXSaveRenderVector[X_RenderTriangles]) (client); + + if(result != Success) break; + } + + free(extra); + } + + return result; +} + +static int +PanoramiXRenderTriStrip(ClientPtr client) +{ + PanoramiXRes *src, *dst; + int result = Success, j; + REQUEST(xRenderTriStripReq); + char *extra; + int extra_len; + + REQUEST_AT_LEAST_SIZE (xRenderTriStripReq); + + VERIFY_XIN_PICTURE (src, stuff->src, client, DixReadAccess); + VERIFY_XIN_PICTURE (dst, stuff->dst, client, DixWriteAccess); + + extra_len = (client->req_len << 2) - sizeof (xRenderTriStripReq); + + if (extra_len && + (extra = (char *) malloc(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) { + xPointFixed *fixed = (xPointFixed *) (stuff + 1); + int i = extra_len / sizeof (xPointFixed); + + while (i--) { + fixed->x -= x_off; + fixed->y -= y_off; + fixed++; + } + } + } + + stuff->src = src->info[j].id; + stuff->dst = dst->info[j].id; + result = + (*PanoramiXSaveRenderVector[X_RenderTriStrip]) (client); + + if(result != Success) break; + } + + free(extra); + } + + return result; +} + +static int +PanoramiXRenderTriFan(ClientPtr client) +{ + PanoramiXRes *src, *dst; + int result = Success, j; + REQUEST(xRenderTriFanReq); + char *extra; + int extra_len; + + REQUEST_AT_LEAST_SIZE (xRenderTriFanReq); + + VERIFY_XIN_PICTURE (src, stuff->src, client, DixReadAccess); + VERIFY_XIN_PICTURE (dst, stuff->dst, client, DixWriteAccess); + + extra_len = (client->req_len << 2) - sizeof (xRenderTriFanReq); + + if (extra_len && + (extra = (char *) malloc(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) { + xPointFixed *fixed = (xPointFixed *) (stuff + 1); + int i = extra_len / sizeof (xPointFixed); + + while (i--) { + fixed->x -= x_off; + fixed->y -= y_off; + fixed++; + } + } + } + + stuff->src = src->info[j].id; + stuff->dst = dst->info[j].id; + result = + (*PanoramiXSaveRenderVector[X_RenderTriFan]) (client); + + if(result != Success) break; + } + + free(extra); + } + + return result; +} + +static int +PanoramiXRenderAddTraps (ClientPtr client) +{ + PanoramiXRes *picture; + int result = Success, j; + REQUEST(xRenderAddTrapsReq); + char *extra; + int extra_len; + INT16 x_off, y_off; + + REQUEST_AT_LEAST_SIZE (xRenderAddTrapsReq); + VERIFY_XIN_PICTURE (picture, stuff->picture, client, DixWriteAccess); + extra_len = (client->req_len << 2) - sizeof (xRenderAddTrapsReq); + if (extra_len && + (extra = (char *) malloc(extra_len))) + { + memcpy (extra, stuff + 1, extra_len); + x_off = stuff->xOff; + y_off = stuff->yOff; + FOR_NSCREENS_FORWARD(j) { + if (j) memcpy (stuff + 1, extra, extra_len); + stuff->picture = picture->info[j].id; + + if (picture->u.pict.root) + { + stuff->xOff = x_off + panoramiXdataPtr[j].x; + stuff->yOff = y_off + panoramiXdataPtr[j].y; + } + result = (*PanoramiXSaveRenderVector[X_RenderAddTraps]) (client); + if(result != Success) break; + } + free(extra); + } + + return result; +} + +static int +PanoramiXRenderCreateSolidFill (ClientPtr client) +{ + REQUEST(xRenderCreateSolidFillReq); + PanoramiXRes *newPict; + int result = Success, j; + + REQUEST_AT_LEAST_SIZE(xRenderCreateSolidFillReq); + + if(!(newPict = (PanoramiXRes *) malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newPict->type = XRT_PICTURE; + newPict->info[0].id = stuff->pid; + 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; + result = (*PanoramiXSaveRenderVector[X_RenderCreateSolidFill]) (client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newPict->info[0].id, XRT_PICTURE, newPict); + else + free(newPict); + + return result; +} + +static int +PanoramiXRenderCreateLinearGradient (ClientPtr client) +{ + REQUEST(xRenderCreateLinearGradientReq); + PanoramiXRes *newPict; + int result = Success, j; + + REQUEST_AT_LEAST_SIZE(xRenderCreateLinearGradientReq); + + if(!(newPict = (PanoramiXRes *) malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newPict->type = XRT_PICTURE; + newPict->info[0].id = stuff->pid; + 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; + result = (*PanoramiXSaveRenderVector[X_RenderCreateLinearGradient]) (client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newPict->info[0].id, XRT_PICTURE, newPict); + else + free(newPict); + + return result; +} + +static int +PanoramiXRenderCreateRadialGradient (ClientPtr client) +{ + REQUEST(xRenderCreateRadialGradientReq); + PanoramiXRes *newPict; + int result = Success, j; + + REQUEST_AT_LEAST_SIZE(xRenderCreateRadialGradientReq); + + if(!(newPict = (PanoramiXRes *) malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newPict->type = XRT_PICTURE; + newPict->info[0].id = stuff->pid; + 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; + result = (*PanoramiXSaveRenderVector[X_RenderCreateRadialGradient]) (client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newPict->info[0].id, XRT_PICTURE, newPict); + else + free(newPict); + + return result; +} + +static int +PanoramiXRenderCreateConicalGradient (ClientPtr client) +{ + REQUEST(xRenderCreateConicalGradientReq); + PanoramiXRes *newPict; + int result = Success, j; + + REQUEST_AT_LEAST_SIZE(xRenderCreateConicalGradientReq); + + if(!(newPict = (PanoramiXRes *) malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newPict->type = XRT_PICTURE; + newPict->info[0].id = stuff->pid; + 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; + result = (*PanoramiXSaveRenderVector[X_RenderCreateConicalGradient]) (client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newPict->info[0].id, XRT_PICTURE, newPict); + else + free(newPict); + + return result; +} + +void +PanoramiXRenderInit (void) +{ + int i; + + XRT_PICTURE = CreateNewResourceType (XineramaDeleteResource, + "XineramaPicture"); + 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_RenderSetPictureTransform] = PanoramiXRenderSetPictureTransform; + ProcRenderVector[X_RenderSetPictureFilter] = PanoramiXRenderSetPictureFilter; + 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; + + ProcRenderVector[X_RenderTrapezoids] = PanoramiXRenderTrapezoids; + ProcRenderVector[X_RenderTriangles] = PanoramiXRenderTriangles; + ProcRenderVector[X_RenderTriStrip] = PanoramiXRenderTriStrip; + ProcRenderVector[X_RenderTriFan] = PanoramiXRenderTriFan; + ProcRenderVector[X_RenderAddTraps] = PanoramiXRenderAddTraps; + + ProcRenderVector[X_RenderCreateSolidFill] = PanoramiXRenderCreateSolidFill; + ProcRenderVector[X_RenderCreateLinearGradient] = PanoramiXRenderCreateLinearGradient; + ProcRenderVector[X_RenderCreateRadialGradient] = PanoramiXRenderCreateRadialGradient; + ProcRenderVector[X_RenderCreateConicalGradient] = PanoramiXRenderCreateConicalGradient; +} + +void +PanoramiXRenderReset (void) +{ + int i; + for (i = 0; i < RenderNumberRequests; i++) + ProcRenderVector[i] = PanoramiXSaveRenderVector[i]; +} + +#endif /* PANORAMIX */ -- cgit v1.2.3