diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/NXrender.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/NXrender.c | 1730 |
1 files changed, 1730 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXrender.c b/nx-X11/programs/Xserver/hw/nxagent/NXrender.c new file mode 100644 index 000000000..691b260cf --- /dev/null +++ b/nx-X11/programs/Xserver/hw/nxagent/NXrender.c @@ -0,0 +1,1730 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ +/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */ +/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/ +/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */ +/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */ +/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */ +/* */ +/* NXAGENT, NX protocol compression and NX extensions to this software */ +/* are copyright of the aforementioned persons and companies. */ +/* */ +/* Redistribution and use of the present software is allowed according */ +/* to terms specified in the file LICENSE which comes in the source */ +/* distribution. */ +/* */ +/* All rights reserved. */ +/* */ +/* NOTE: This software has received contributions from various other */ +/* contributors, only the core maintainers and supporters are listed as */ +/* copyright holders. Please contact us, if you feel you should be listed */ +/* as copyright holder, as well. */ +/* */ +/**************************************************************************/ + +/* + * 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. + */ + +#include "../render/render.c" + +#include "Trap.h" + +#include "Render.h" +#include "Pixmaps.h" +#include "Options.h" +#include "Screen.h" +#include "Cursor.h" + +/* + * Set here the required log level. + */ + +#define PANIC +#define WARNING +#undef TEST +#undef DEBUG + +#ifdef TEST +#include "Literals.h" +#endif + +/* + * From NXglyph.c. + */ + +extern +void GlyphExtents(int nlist, GlyphListPtr list, + GlyphPtr *glyphs, BoxPtr extents); + +/* + * From NXmitrap.c. + */ + +extern +void miTrapezoidBounds (int ntrap, xTrapezoid *traps, BoxPtr box); + +/* + * Functions from Render.c. + */ + +extern int nxagentCursorSaveRenderInfo(ScreenPtr, CursorPtr); +extern void nxagentCursorPostSaveRenderInfo(CursorPtr, ScreenPtr, PicturePtr, int, int); +extern int nxagentRenderRealizeCursor(ScreenPtr, CursorPtr); +extern int nxagentCreatePicture(PicturePtr, Mask); +extern void nxagentChangePicture(PicturePtr, Mask); +extern int nxagentChangePictureClip(PicturePtr, int, int, xRectangle *, int, int); +extern void nxagentComposite(CARD8, PicturePtr, PicturePtr, PicturePtr, INT16, INT16, + INT16, INT16, INT16, INT16, CARD16, CARD16); +extern void nxagentCompositeRects(CARD8, PicturePtr, xRenderColor *, int, xRectangle *); +extern void nxagentCreateGlyphSet(GlyphSetPtr glyphSet); +extern void nxagentReferenceGlyphSet(GlyphSetPtr glyphSet); +extern void nxagentFreeGlyphs(GlyphSetPtr glyphSet, CARD32 *gids, int nglyph); +extern void nxagentFreeGlyphSet(GlyphSetPtr glyphSet); +extern void nxagentSetPictureTransform(PicturePtr pPicture, void * transform); +extern void nxagentSetPictureFilter(PicturePtr pPicture, char *filter, int name_size, + void * params, int nparams); +extern void nxagentTrapezoids(CARD8 op, PicturePtr pSrc, PicturePtr pDst, PictFormatPtr maskFormat, + INT16 xSrc, INT16 ySrc, int ntrap, xTrapezoid *traps); +extern void nxagentRenderCreateSolidFill(PicturePtr pPicture, xRenderColor *color); +extern void nxagentRenderCreateLinearGradient(PicturePtr pPicture, xPointFixed *p1, + xPointFixed *p2, int nStops, + xFixed *stops, + xRenderColor *colors); +extern void nxagentRenderCreateRadialGradient(PicturePtr pPicture, xPointFixed *inner, + xPointFixed *outer, + xFixed innerRadius, + xFixed outerRadius, + int nStops, + xFixed *stops, + xRenderColor *colors); +extern void nxagentRenderCreateConicalGradient(PicturePtr pPicture, + xPointFixed *center, + xFixed angle, int nStops, + xFixed *stops, + xRenderColor *colors); + +/* + * The void pointer is actually a XGlyphElt8. + */ + +void nxagentGlyphs(CARD8, PicturePtr, PicturePtr, PictFormatPtr, + INT16, INT16, int, void *, int, GlyphPtr *); + +static int +ProcRenderQueryVersion (ClientPtr client) +{ + RenderClientPtr pRenderClient = GetRenderClient (client); + xRenderQueryVersionReply rep; + REQUEST(xRenderQueryVersionReq); + + REQUEST_SIZE_MATCH(xRenderQueryVersionReq); + + pRenderClient->major_version = stuff->majorVersion; + pRenderClient->minor_version = stuff->minorVersion; + + memset(&rep, 0, sizeof(xRenderQueryVersionReply)); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = nxagentRenderVersionMajor; + rep.minorVersion = nxagentRenderVersionMinor; + if (client->swapped) { + swaps(&rep.sequenceNumber); + swapl(&rep.length); + swapl(&rep.majorVersion); + swapl(&rep.minorVersion); + } + WriteToClient(client, sizeof(xRenderQueryVersionReply), &rep); + return (client->noClientException); +} + +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 numScreens; + int numSubpixel; + + extern int nxagentAlphaEnabled; +/* REQUEST(xRenderQueryPictFormatsReq); */ + + REQUEST_SIZE_MATCH(xRenderQueryPictFormatsReq); + +#ifdef PANORAMIX + if (noPanoramiXExtension) + numScreens = screenInfo.numScreens; + else + numScreens = ((xConnSetup *)ConnectionInfo)->numRoots; +#else + numScreens = screenInfo.numScreens; +#endif + ndepth = nformat = nvisual = 0; + for (s = 0; s < numScreens; s++) + { + pScreen = screenInfo.screens[s]; + for (d = 0; d < pScreen->numDepths; d++) + { + pDepth = pScreen->allowedDepths + d; + ++ndepth; + + for (v = 0; v < pDepth->numVids; v++) + { + pVisual = findVisual (pScreen, pDepth->vids[v]); + if (pVisual && PictureMatchVisual (pScreen, pDepth->depth, pVisual)) + ++nvisual; + } + } + ps = GetPictureScreenIfSet(pScreen); + if (ps) + nformat += ps->nformats; + } + if (pRenderClient->major_version == 0 && pRenderClient->minor_version < 6) + numSubpixel = 0; + else + numSubpixel = numScreens; + + rlength = (sizeof (xRenderQueryPictFormatsReply) + + nformat * sizeof (xPictFormInfo) + + numScreens * sizeof (xPictScreen) + + ndepth * sizeof (xPictDepth) + + nvisual * sizeof (xPictVisual) + + numSubpixel * sizeof (CARD32)); + reply = (xRenderQueryPictFormatsReply *) calloc (1, rlength); + if (!reply) + return BadAlloc; + reply->type = X_Reply; + reply->sequenceNumber = client->sequence; + reply->length = (rlength - sizeof(xGenericReply)) >> 2; + reply->numFormats = nformat; + reply->numScreens = numScreens; + reply->numDepths = ndepth; + reply->numVisuals = nvisual; + reply->numSubpixel = numSubpixel; + + pictForm = (xPictFormInfo *) (reply + 1); + + for (s = 0; s < numScreens; s++) + { + pScreen = screenInfo.screens[s]; + ps = GetPictureScreenIfSet(pScreen); + if (ps) + { + for (nformat = 0, pFormat = ps->formats; + nformat < ps->nformats; + nformat++, pFormat++) + { + pictForm->id = pFormat->id; + pictForm->type = pFormat->type; + pictForm->depth = pFormat->depth; + pictForm->direct.red = pFormat->direct.red; + pictForm->direct.redMask = pFormat->direct.redMask; + pictForm->direct.green = pFormat->direct.green; + pictForm->direct.greenMask = pFormat->direct.greenMask; + pictForm->direct.blue = pFormat->direct.blue; + pictForm->direct.blueMask = pFormat->direct.blueMask; + pictForm->direct.alpha = nxagentAlphaEnabled ? pFormat->direct.alpha : 0; + pictForm->direct.alphaMask = pFormat->direct.alphaMask; + if (pFormat->type == PictTypeIndexed && pFormat->index.pColormap) + pictForm->colormap = pFormat->index.pColormap->mid; + else + pictForm->colormap = None; + if (client->swapped) + { + swapl (&pictForm->id); + swaps (&pictForm->direct.red); + swaps (&pictForm->direct.redMask); + swaps (&pictForm->direct.green); + swaps (&pictForm->direct.greenMask); + swaps (&pictForm->direct.blue); + swaps (&pictForm->direct.blueMask); + swaps (&pictForm->direct.alpha); + swaps (&pictForm->direct.alphaMask); + swapl (&pictForm->colormap); + } + 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); + swapl (&pictVisual->format); + } + pictVisual++; + nvisual++; + } + } + pictDepth->depth = pDepth->depth; + pictDepth->nPictVisuals = nvisual; + if (client->swapped) + { + swaps (&pictDepth->nPictVisuals); + } + 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); + swapl (&pictScreen->fallback); + } + 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); + } + ++pictSubpixel; + } + + if (client->swapped) + { + swaps (&reply->sequenceNumber); + swapl (&reply->length); + swapl (&reply->numFormats); + swapl (&reply->numScreens); + swapl (&reply->numDepths); + swapl (&reply->numVisuals); + swapl (&reply->numSubpixel); + } + WriteToClient(client, rlength, reply); + free (reply); + return client->noClientException; +} + +static int +ProcRenderCreatePicture (ClientPtr client) +{ + PicturePtr pPicture; + DrawablePtr pDrawable; + PictFormatPtr pFormat; + int len; + int error; + REQUEST(xRenderCreatePictureReq); + + REQUEST_AT_LEAST_SIZE(xRenderCreatePictureReq); + + LEGAL_NEW_RESOURCE(stuff->pid, client); + SECURITY_VERIFY_DRAWABLE(pDrawable, stuff->drawable, client, + DixWriteAccess); + pFormat = (PictFormatPtr) SecurityLookupIDByType (client, + stuff->format, + PictFormatType, + DixReadAccess); + if (!pFormat) + { + client->errorValue = stuff->format; + return RenderErrBase + BadPictFormat; + } + if (pFormat->depth != pDrawable->depth) + return BadMatch; + len = client->req_len - (sizeof(xRenderCreatePictureReq) >> 2); + if (Ones(stuff->mask) != len) + return BadLength; + + pPicture = CreatePicture (stuff->pid, + pDrawable, + pFormat, + stuff->mask, + (XID *) (stuff + 1), + client, + &error); + if (!pPicture) + return error; + nxagentCreatePicture(pPicture, stuff -> mask); + + if (!AddResource (stuff->pid, PictureType, (void *)pPicture)) + return BadAlloc; + return Success; +} + +static int +ProcRenderChangePicture (ClientPtr client) +{ + PicturePtr pPicture; + REQUEST(xRenderChangePictureReq); + int len; + int error; + + REQUEST_AT_LEAST_SIZE(xRenderChangePictureReq); + VERIFY_PICTURE (pPicture, stuff->picture, client, DixWriteAccess, + RenderErrBase + BadPicture); + + len = client->req_len - (sizeof(xRenderChangePictureReq) >> 2); + if (Ones(stuff->mask) != len) + return BadLength; + + error = ChangePicture (pPicture, stuff->mask, (XID *) (stuff + 1), + (DevUnion *) 0, client); + + nxagentChangePicture(pPicture, stuff->mask); + + return error; +} + +static int +ProcRenderSetPictureClipRectangles (ClientPtr client) +{ + REQUEST(xRenderSetPictureClipRectanglesReq); + PicturePtr pPicture; + int nr; + int result; + + REQUEST_AT_LEAST_SIZE(xRenderSetPictureClipRectanglesReq); + VERIFY_PICTURE (pPicture, stuff->picture, client, DixWriteAccess, + RenderErrBase + BadPicture); + if (!pPicture->pDrawable) + return BadDrawable; + + /* + * The original code used sizeof(xRenderChangePictureReq). + * This was harmless, as both structures have the same size. + * + * nr = (client->req_len << 2) - sizeof(xRenderChangePictureReq); + */ + nr = (client->req_len << 2) - sizeof(xRenderSetPictureClipRectanglesReq); + if (nr & 4) + return BadLength; + nr >>= 3; + result = SetPictureClipRects (pPicture, + stuff->xOrigin, stuff->yOrigin, + nr, (xRectangle *) &stuff[1]); + nxagentChangePictureClip (pPicture, + CT_NONE, + nr, + (xRectangle *) &stuff[1], + (int)stuff -> xOrigin, + (int)stuff -> yOrigin); + + if (client->noClientException != Success) + return(client->noClientException); + else + return(result); +} + +/* + * Check if both pictures have drawables which are + * virtual pixmaps. See the corresponding define + * in NXpicture.c + */ + +#define NXAGENT_PICTURE_ALWAYS_POINTS_TO_VIRTUAL + +#ifdef NXAGENT_PICTURE_ALWAYS_POINTS_TO_VIRTUAL + +#define nxagentCompositePredicate(pSrc, pDst) TRUE + +#else + +/* + * This is still under development. The final + * goal is to let pictures point to the real + * pixmaps instead of pointing to virtuals. + */ + +int nxagentCompositePredicate(PicturePtr pSrc, PicturePtr pDst) +{ + PixmapPtr pPixmap1; + PixmapPtr pPixmap2; + + pPixmap1 = (pSrc -> pDrawable -> type == DRAWABLE_PIXMAP ? + ((PixmapPtr) pSrc -> pDrawable) : NULL); + + pPixmap2 = (pDst -> pDrawable -> type == DRAWABLE_PIXMAP ? + ((PixmapPtr) pDst -> pDrawable) : NULL); + + if (pPixmap1 == NULL || pPixmap2 == NULL) + { + #ifdef TEST + fprintf(stderr, "nxagentCompositePredicate: Case 0.\n"); + #endif + + return FALSE; + } + else + { + #ifdef TEST + fprintf(stderr, "nxagentCompositePredicate: Case 1.\n"); + #endif + + if (nxagentPixmapIsVirtual(pPixmap1) == 1 && + nxagentPixmapIsVirtual(pPixmap2) == 1) + { + #ifdef TEST + fprintf(stderr, "nxagentCompositePredicate: Case 2.\n"); + #endif + + return TRUE; + } + } + + #ifdef TEST + fprintf(stderr, "nxagentCompositePredicate: Case 3.\n"); + #endif + + return FALSE; +} + +#endif + +static int +ProcRenderComposite (ClientPtr client) +{ + PicturePtr pSrc, pMask, pDst; + REQUEST(xRenderCompositeReq); + + REQUEST_SIZE_MATCH(xRenderCompositeReq); + if (!PictOpValid (stuff->op)) + { + client->errorValue = stuff->op; + return BadValue; + } + VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess, + RenderErrBase + BadPicture); + if (!pDst->pDrawable) + return BadDrawable; + VERIFY_PICTURE (pSrc, stuff->src, client, DixReadAccess, + RenderErrBase + BadPicture); + VERIFY_ALPHA (pMask, stuff->mask, client, DixReadAccess, + RenderErrBase + BadPicture); + + if ((pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) || + (pMask && pMask->pDrawable && pDst->pDrawable->pScreen != pMask->pDrawable->pScreen)) + return BadMatch; + + ValidatePicture (pSrc); + if (pMask) + ValidatePicture (pMask); + ValidatePicture (pDst); + + #ifdef NXAGENT_PICTURE_ALWAYS_POINTS_TO_VIRTUAL + + if (nxagentCompositePredicate(pSrc, pDst)) + { + #ifdef TEST + fprintf(stderr, "ProcRenderComposite: Going to composite with " + "source at [%p] mask at [%p] and destination at [%p].\n", + (void *) pSrc, (void *) pMask, (void *) pDst); + #endif + + CompositePicture (stuff->op, + pSrc, + pMask, + pDst, + stuff->xSrc, + stuff->ySrc, + stuff->xMask, + stuff->yMask, + stuff->xDst, + stuff->yDst, + stuff->width, + stuff->height); + } + + #else + + if (pSrc -> pDrawable -> type == DRAWABLE_PIXMAP && + pDst -> pDrawable -> type == DRAWABLE_PIXMAP && + (!pMask || pMask -> pDrawable -> type == DRAWABLE_PIXMAP)) + { + PixmapPtr pVirtualPixmapSrc; + PixmapPtr pVirtualPixmapDst; + PixmapPtr pVirtualPixmapMask; + + PicturePtr pVirtualPictureSrc; + PicturePtr pVirtualPictureDst; + PicturePtr pVirtualPictureMask; + + pVirtualPixmapSrc = (PixmapPtr) pSrc -> pDrawable; + pVirtualPictureSrc = nxagentPixmapPriv(pVirtualPixmapSrc) -> pPicture; + + pVirtualPixmapDst = (PixmapPtr) pDst -> pDrawable; + pVirtualPictureDst = nxagentPixmapPriv(pVirtualPixmapDst) -> pPicture; + + if (pMask) + { + pVirtualPixmapMask = (PixmapPtr) pMask -> pDrawable; + pVirtualPictureMask = nxagentPixmapPriv(pVirtualPixmapMask) -> pPicture; + } + else + { + pVirtualPixmapMask = NULL; + pVirtualPictureMask = NULL; + } + + if (pVirtualPictureSrc && pVirtualPictureDst) + { + #ifdef TEST + fprintf(stderr, "ProcRenderComposite: Going to composite with " + "source at [%p] mask at [%p] and destination at [%p].\n", + (void *) pVirtualPixmapSrc, (void *) pVirtualPixmapMask, + (void *) pVirtualPixmapDst); + #endif + + CompositePicture (stuff->op, + pVirtualPictureSrc, + pVirtualPictureMask, + pVirtualPictureDst, + stuff->xSrc, + stuff->ySrc, + stuff->xMask, + stuff->yMask, + stuff->xDst, + stuff->yDst, + stuff->width, + stuff->height); + } + } + + #endif + + nxagentComposite (stuff -> op, + pSrc, + pMask, + pDst, + stuff -> xSrc, + stuff -> ySrc, + stuff -> xMask, + stuff -> yMask, + stuff -> xDst, + stuff -> yDst, + stuff -> width, + stuff -> height); + + return Success; +} + +static int +ProcRenderTrapezoids (ClientPtr client) +{ + int ntraps; + PicturePtr pSrc, pDst; + PictFormatPtr pFormat; + REQUEST(xRenderTrapezoidsReq); + + REQUEST_AT_LEAST_SIZE(xRenderTrapezoidsReq); + if (!PictOpValid (stuff->op)) + { + client->errorValue = stuff->op; + return BadValue; + } + VERIFY_PICTURE (pSrc, stuff->src, client, DixReadAccess, + RenderErrBase + BadPicture); + VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess, + RenderErrBase + BadPicture); + if (!pDst->pDrawable) + return BadDrawable; + if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) + return BadMatch; + if (stuff->maskFormat) + { + pFormat = (PictFormatPtr) SecurityLookupIDByType (client, + stuff->maskFormat, + PictFormatType, + DixReadAccess); + if (!pFormat) + { + client->errorValue = stuff->maskFormat; + return RenderErrBase + BadPictFormat; + } + } + else + pFormat = 0; + ntraps = (client->req_len << 2) - sizeof (xRenderTrapezoidsReq); + if (ntraps % sizeof (xTrapezoid)) + return BadLength; + ntraps /= sizeof (xTrapezoid); + if (ntraps) + { + if (pFormat != NULL) + { + nxagentTrapezoidExtents = (BoxPtr) malloc(sizeof(BoxRec)); + + miTrapezoidBounds (ntraps, (xTrapezoid *) &stuff[1], nxagentTrapezoidExtents); + } + + if (nxagentCompositePredicate(pSrc, pDst) == 1) + { + CompositeTrapezoids (stuff->op, pSrc, pDst, pFormat, + stuff->xSrc, stuff->ySrc, + ntraps, (xTrapezoid *) &stuff[1]); + } + + nxagentTrapezoids (stuff->op, pSrc, pDst, pFormat, + stuff->xSrc, stuff->ySrc, + ntraps, (xTrapezoid *) &stuff[1]); + + if (nxagentTrapezoidExtents != NullBox) + { + free(nxagentTrapezoidExtents); + + nxagentTrapezoidExtents = NullBox; + } + } + + return client->noClientException; +} + +static int +ProcRenderCreateGlyphSet (ClientPtr client) +{ + GlyphSetPtr glyphSet; + PictFormatPtr format; + int f; + REQUEST(xRenderCreateGlyphSetReq); + + REQUEST_SIZE_MATCH(xRenderCreateGlyphSetReq); + + LEGAL_NEW_RESOURCE(stuff->gsid, client); + format = (PictFormatPtr) SecurityLookupIDByType (client, + stuff->format, + PictFormatType, + DixReadAccess); + if (!format) + { + client->errorValue = stuff->format; + return RenderErrBase + BadPictFormat; + } + switch (format->depth) { + case 1: + f = GlyphFormat1; + break; + case 4: + f = GlyphFormat4; + break; + case 8: + f = GlyphFormat8; + break; + case 16: + f = GlyphFormat16; + break; + case 32: + f = GlyphFormat32; + break; + default: + return BadMatch; + } + if (format->type != PictTypeDirect) + return BadMatch; + glyphSet = AllocateGlyphSet (f, format); + if (!glyphSet) + return BadAlloc; + if (!AddResource (stuff->gsid, GlyphSetType, (void *)glyphSet)) + return BadAlloc; + + nxagentCreateGlyphSet(glyphSet); + + return Success; +} + +static int +ProcRenderReferenceGlyphSet (ClientPtr client) +{ + GlyphSetPtr glyphSet; + REQUEST(xRenderReferenceGlyphSetReq); + + REQUEST_SIZE_MATCH(xRenderReferenceGlyphSetReq); + + LEGAL_NEW_RESOURCE(stuff->gsid, client); + + glyphSet = (GlyphSetPtr) SecurityLookupIDByType (client, + stuff->existing, + GlyphSetType, + DixWriteAccess); + if (!glyphSet) + { + client->errorValue = stuff->existing; + return RenderErrBase + BadGlyphSet; + } + glyphSet->refcnt++; + + nxagentReferenceGlyphSet(glyphSet); + + if (!AddResource (stuff->gsid, GlyphSetType, (void *)glyphSet)) + return BadAlloc; + return client->noClientException; +} + +static int +ProcRenderFreeGlyphSet (ClientPtr client) +{ + GlyphSetPtr glyphSet; + REQUEST(xRenderFreeGlyphSetReq); + + REQUEST_SIZE_MATCH(xRenderFreeGlyphSetReq); + glyphSet = (GlyphSetPtr) SecurityLookupIDByType (client, + stuff->glyphset, + GlyphSetType, + DixDestroyAccess); + if (!glyphSet) + { + client->errorValue = stuff->glyphset; + return RenderErrBase + BadGlyphSet; + } + + nxagentFreeGlyphSet(glyphSet); + + FreeResource (stuff->glyphset, RT_NONE); + return client->noClientException; +} + +static int +ProcRenderFreeGlyphs (ClientPtr client) +{ + REQUEST(xRenderFreeGlyphsReq); + GlyphSetPtr glyphSet; + int nglyph; + CARD32 *gids; + CARD32 glyph; + + REQUEST_AT_LEAST_SIZE(xRenderFreeGlyphsReq); + glyphSet = (GlyphSetPtr) SecurityLookupIDByType (client, + stuff->glyphset, + GlyphSetType, + DixWriteAccess); + if (!glyphSet) + { + client->errorValue = stuff->glyphset; + return RenderErrBase + BadGlyphSet; + } + nglyph = ((client->req_len << 2) - sizeof (xRenderFreeGlyphsReq)) >> 2; + gids = (CARD32 *) (stuff + 1); + + nxagentFreeGlyphs(glyphSet, gids, nglyph); + + while (nglyph-- > 0) + { + glyph = *gids++; + if (!DeleteGlyph (glyphSet, glyph)) + { + client->errorValue = glyph; + return RenderErrBase + BadGlyph; + } + } + return client->noClientException; +} + +typedef struct XGlyphElt8{ + GlyphSet glyphset; + _Xconst char *chars; + int nchars; + int xOff; + int yOff; +} XGlyphElt8; + +static int +ProcRenderCompositeGlyphs (ClientPtr client) +{ + GlyphSetPtr glyphSet; + GlyphSet gs; + PicturePtr pSrc, pDst; + PictFormatPtr pFormat; + GlyphListRec listsLocal[NLOCALDELTA]; + GlyphListPtr lists, listsBase; + GlyphPtr glyphsLocal[NLOCALGLYPH]; + Glyph glyph; + GlyphPtr *glyphs, *glyphsBase; + xGlyphElt *elt; + CARD8 *buffer, *end; + int nglyph; + int nlist; + int space; + int size; + int n; + + XGlyphElt8 *elements, *elementsBase; + + REQUEST(xRenderCompositeGlyphsReq); + + REQUEST_AT_LEAST_SIZE(xRenderCompositeGlyphsReq); + + switch (stuff->renderReqType) { + default: size = 1; break; + case X_RenderCompositeGlyphs16: size = 2; break; + case X_RenderCompositeGlyphs32: size = 4; break; + } + + if (!PictOpValid (stuff->op)) + { + client->errorValue = stuff->op; + return BadValue; + } + VERIFY_PICTURE (pSrc, stuff->src, client, DixReadAccess, + RenderErrBase + BadPicture); + VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess, + RenderErrBase + BadPicture); + if (!pDst->pDrawable) + return BadDrawable; + if (pSrc->pDrawable && pSrc->pDrawable->pScreen != pDst->pDrawable->pScreen) + return BadMatch; + if (stuff->maskFormat) + { + pFormat = (PictFormatPtr) SecurityLookupIDByType (client, + stuff->maskFormat, + PictFormatType, + DixReadAccess); + if (!pFormat) + { + client->errorValue = stuff->maskFormat; + return RenderErrBase + BadPictFormat; + } + } + else + pFormat = 0; + + glyphSet = (GlyphSetPtr) SecurityLookupIDByType (client, + stuff->glyphset, + GlyphSetType, + DixReadAccess); + if (!glyphSet) + { + client->errorValue = stuff->glyphset; + return RenderErrBase + BadGlyphSet; + } + + buffer = (CARD8 *) (stuff + 1); + end = (CARD8 *) stuff + (client->req_len << 2); + nglyph = 0; + nlist = 0; + while (buffer + sizeof (xGlyphElt) < end) + { + elt = (xGlyphElt *) buffer; + buffer += sizeof (xGlyphElt); + + if (elt->len == 0xff) + { + buffer += 4; + } + else + { + nlist++; + nglyph += elt->len; + space = size * elt->len; + if (space & 3) + space += 4 - (space & 3); + buffer += space; + } + } + if (nglyph <= NLOCALGLYPH) + glyphsBase = glyphsLocal; + else + { + glyphsBase = (GlyphPtr *) malloc (nglyph * sizeof (GlyphPtr)); + if (!glyphsBase) + return BadAlloc; + } + if (nlist <= NLOCALDELTA) + listsBase = listsLocal; + else + { + listsBase = (GlyphListPtr) malloc (nlist * sizeof (GlyphListRec)); + if (!listsBase) + return BadAlloc; + } + + elementsBase = malloc(nlist * sizeof(XGlyphElt8)); + if (!elementsBase) + return BadAlloc; + + buffer = (CARD8 *) (stuff + 1); + glyphs = glyphsBase; + lists = listsBase; + elements = elementsBase; + while (buffer + sizeof (xGlyphElt) < end) + { + elt = (xGlyphElt *) buffer; + buffer += sizeof (xGlyphElt); + + if (elt->len == 0xff) + { + #ifdef DEBUG + fprintf(stderr, "ProcRenderCompositeGlyphs: Glyphset change with base size [%d].\n", + size); + #endif + + if (buffer + sizeof (GlyphSet) < end) + { + memcpy(&gs, buffer, sizeof(GlyphSet)); + glyphSet = (GlyphSetPtr) SecurityLookupIDByType (client, + gs, + GlyphSetType, + DixReadAccess); + if (!glyphSet) + { + client->errorValue = gs; + if (glyphsBase != glyphsLocal) + free (glyphsBase); + if (listsBase != listsLocal) + free (listsBase); + return RenderErrBase + BadGlyphSet; + } + } + buffer += 4; + } + else + { + lists->xOff = elt->deltax; + lists->yOff = elt->deltay; + lists->format = glyphSet->format; + lists->len = 0; + + if (glyphSet -> remoteID == 0) + { + #ifdef TEST + fprintf(stderr, "ProcRenderCompositeGlyphs: Going to reconnect glyphset at [%p].\n", + (void *) glyphSet); + #endif + + nxagentReconnectGlyphSet(glyphSet, (XID) 0, (void*) NULL); + } + + elements -> glyphset = glyphSet -> remoteID; + elements -> chars = (char *) buffer; + elements -> nchars = elt->len; + elements -> xOff = elt->deltax; + elements -> yOff = elt->deltay; + n = elt->len; + while (n--) + { + if (buffer + size <= end) + { + switch (size) { + case 1: + glyph = *((CARD8 *)buffer); break; + case 2: + glyph = *((CARD16 *)buffer); break; + case 4: + default: + glyph = *((CARD32 *)buffer); break; + } + if ((*glyphs = FindGlyph (glyphSet, glyph))) + { + lists->len++; + glyphs++; + } + } + buffer += size; + } + space = size * elt->len; + if (space & 3) + buffer += 4 - (space & 3); + lists++; + elements++; + } + } + if (buffer > end) + return BadLength; + + /* + * We need to know the glyphs extents to synchronize + * the drawables involved in the composite text ope- + * ration. Also we need to synchronize only the back- + * ground of the text we are going to render, so the + * operations on the framebuffer must be executed + * after the X requests. + */ + + nxagentGlyphsExtents = (BoxPtr) malloc(sizeof(BoxRec)); + + GlyphExtents(nlist, listsBase, glyphsBase, nxagentGlyphsExtents); + + nxagentGlyphs(stuff -> op, + pSrc, + pDst, + pFormat, + stuff -> xSrc, + stuff -> ySrc, + nlist, + elementsBase, + size, + glyphsBase); + + if (nxagentCompositePredicate(pSrc, pDst) == 1) + { + #ifdef TEST + fprintf(stderr, "ProcRenderCompositeGlyphs: Going to composite glyphs with " + "source at [%p] and destination at [%p].\n", + (void *) pSrc, (void *) pDst); + #endif + + CompositeGlyphs(stuff -> op, + pSrc, + pDst, + pFormat, + stuff -> xSrc, + stuff -> ySrc, + nlist, + listsBase, + glyphsBase); + } + + free(nxagentGlyphsExtents); + nxagentGlyphsExtents = NullBox; + + if (glyphsBase != glyphsLocal) + free (glyphsBase); + if (listsBase != listsLocal) + free (listsBase); + + free(elementsBase); + + return client->noClientException; +} + +static int +ProcRenderFillRectangles (ClientPtr client) +{ + PicturePtr pDst; + int things; + REQUEST(xRenderFillRectanglesReq); + + REQUEST_AT_LEAST_SIZE (xRenderFillRectanglesReq); + if (!PictOpValid (stuff->op)) + { + client->errorValue = stuff->op; + return BadValue; + } + VERIFY_PICTURE (pDst, stuff->dst, client, DixWriteAccess, + RenderErrBase + BadPicture); + 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]); + + ValidatePicture (pDst); + nxagentCompositeRects(stuff -> op, + pDst, + &stuff -> color, + things, + (xRectangle *) &stuff[1]); + + return client->noClientException; +} + +static int +ProcRenderCreateCursor (ClientPtr client) +{ + REQUEST(xRenderCreateCursorReq); + PicturePtr pSrc; + ScreenPtr pScreen; + unsigned short width, height; + CARD32 *argbbits, *argb; + unsigned char *srcbits, *srcline; + unsigned char *mskbits, *mskline; + int stride; + int x, y; + int nbytes_mono; + CursorMetricRec cm; + CursorPtr pCursor; + CARD32 twocolor[3]; + int ncolor; + + RealizeCursorProcPtr saveRealizeCursor; + + REQUEST_SIZE_MATCH (xRenderCreateCursorReq); + LEGAL_NEW_RESOURCE(stuff->cid, client); + + VERIFY_PICTURE (pSrc, stuff->src, client, DixReadAccess, + RenderErrBase + BadPicture); + 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 = (unsigned char *)malloc(nbytes_mono); + if (!srcbits) + { + free (argbbits); + return (BadAlloc); + } + mskbits = (unsigned char *)malloc(nbytes_mono); + if (!mskbits) + { + free(argbbits); + free(srcbits); + return (BadAlloc); + } + bzero ((char *) mskbits, nbytes_mono); + bzero ((char *) srcbits, nbytes_mono); + + if (pSrc->format == PICT_a8r8g8b8) + { + (*pScreen->GetImage) (pSrc->pDrawable, + 0, 0, width, height, ZPixmap, + 0xffffffff, (void *) 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, (void *) argbbits); + FreePicture (pPicture, 0); + } + /* + * Check whether the cursor can be directly supported by + * the core cursor code + */ + ncolor = 0; + argb = argbbits; + for (y = 0; ncolor <= 2 && y < height; y++) + { + for (x = 0; ncolor <= 2 && x < width; x++) + { + CARD32 p = *argb++; + CARD32 a = (p >> 24); + + if (a == 0) /* transparent */ + continue; + if (a == 0xff) /* opaque */ + { + int n; + for (n = 0; n < ncolor; n++) + if (p == twocolor[n]) + break; + if (n == ncolor) + twocolor[ncolor++] = p; + } + else + ncolor = 3; + } + } + + /* + * Convert argb image to two plane cursor + */ + srcline = srcbits; + mskline = mskbits; + argb = argbbits; + for (y = 0; y < height; y++) + { + for (x = 0; x < width; x++) + { + CARD32 p = *argb++; + + if (ncolor <= 2) + { + CARD32 a = ((p >> 24)); + + SetBit (mskline, x, a != 0); + SetBit (srcline, x, a != 0 && p == twocolor[0]); + } + else + { + CARD32 a = ((p >> 24) * DITHER_SIZE + 127) / 255; + CARD32 i = ((CvtR8G8B8toY15(p) >> 7) * DITHER_SIZE + 127) / 255; + CARD32 d = orderedDither[y&(DITHER_DIM-1)][x&(DITHER_DIM-1)]; + /* Set mask from dithered alpha value */ + SetBit(mskline, x, a > d); + /* Set src from dithered intensity value */ + SetBit(srcline, x, a > d && i <= d); + } + } + srcline += stride; + mskline += stride; + } + /* + * Dither to white and black if the cursor has more than two colors + */ + if (ncolor > 2) + { + twocolor[0] = 0xff000000; + twocolor[1] = 0xffffffff; + } + else + { + 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; + + /* + * This cursor uses RENDER, so we make sure + * that it is allocated in a way that allows + * the mi and dix layers to handle it but we + * later create it on the server by mirror- + * ing the RENDER operation we got from the + * client. + */ + + saveRealizeCursor = pScreen -> RealizeCursor; + + pScreen -> RealizeCursor = nxagentCursorSaveRenderInfo; + + pCursor = AllocCursorARGB (srcbits, mskbits, argbbits, &cm, + GetColor(twocolor[0], 16), + GetColor(twocolor[0], 8), + GetColor(twocolor[0], 0), + GetColor(twocolor[1], 16), + GetColor(twocolor[1], 8), + GetColor(twocolor[1], 0)); + + pScreen -> RealizeCursor = saveRealizeCursor; + + /* + * Store into the private data members the + * information needed to recreate it at + * reconnection. This is done in two steps + * as in the first step we don't have the + * picture info. + */ + + if (pCursor == NULL) + { + return BadAlloc; + } + + nxagentCursorPostSaveRenderInfo(pCursor, pScreen, pSrc, stuff -> x, stuff -> y); + + nxagentRenderRealizeCursor(pScreen, pCursor); + + if (AddResource(stuff->cid, RT_CURSOR, (void *)pCursor)) + return (client->noClientException); + return BadAlloc; +} + +static int +ProcRenderSetPictureTransform (ClientPtr client) +{ + REQUEST(xRenderSetPictureTransformReq); + PicturePtr pPicture; + int result; + + REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq); + VERIFY_PICTURE (pPicture, stuff->picture, client, DixWriteAccess, + RenderErrBase + BadPicture); + result = SetPictureTransform (pPicture, (PictTransform *) &stuff->transform); + + nxagentSetPictureTransform(pPicture, &stuff->transform); + + if (client->noClientException != Success) + return(client->noClientException); + else + return(result); +} + +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, DixWriteAccess, + RenderErrBase + BadPicture); + name = (char *) (stuff + 1); + params = (xFixed *) (name + ((stuff->nbytes + 3) & ~3)); + nparams = ((xFixed *) stuff + client->req_len) - params; + result = SetPictureFilter (pPicture, name, stuff->nbytes, params, nparams); + + nxagentSetPictureFilter(pPicture, name, stuff->nbytes, params, nparams); + + return result; +} + +static int +ProcRenderCreateAnimCursor (ClientPtr client) +{ + REQUEST(xRenderCreateAnimCursorReq); + CursorPtr *cursors; + CARD32 *deltas; + CursorPtr pCursor; + int ncursor; + xAnimCursorElt *elt; + int i; + int ret; + + REQUEST_AT_LEAST_SIZE(xRenderCreateAnimCursorReq); + LEGAL_NEW_RESOURCE(stuff->cid, client); + if (client->req_len & 1) + return BadLength; + ncursor = (client->req_len - (SIZEOF(xRenderCreateAnimCursorReq) >> 2)) >> 1; + cursors = malloc (ncursor * (sizeof (CursorPtr) + sizeof (CARD32))); + if (!cursors) + return BadAlloc; + deltas = (CARD32 *) (cursors + ncursor); + elt = (xAnimCursorElt *) (stuff + 1); + for (i = 0; i < ncursor; i++) + { + cursors[i] = (CursorPtr)SecurityLookupIDByType(client, elt->cursor, + RT_CURSOR, DixReadAccess); + if (!cursors[i]) + { + free (cursors); + client->errorValue = elt->cursor; + return BadCursor; + } + deltas[i] = elt->delay; + elt++; + } + ret = AnimCursorCreate (cursors, deltas, ncursor, &pCursor); + free (cursors); + if (ret != Success) + return ret; + + nxagentAnimCursorBits = pCursor -> bits; + + for (i = 0; i < MAXSCREENS; i++) + { + pCursor -> devPriv[i] = NULL; + } + + if (AddResource (stuff->cid, RT_CURSOR, (void *)pCursor)) + return client->noClientException; + return BadAlloc; +} + +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; + /* AGENT SERVER */ + + nxagentRenderCreateSolidFill(pPicture, &stuff -> color); + + /* AGENT SERVER */ + if (!AddResource (stuff->pid, PictureType, (void *)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; + /* AGENT SERVER */ + + nxagentRenderCreateLinearGradient(pPicture, &stuff->p1, &stuff->p2, + stuff->nStops, stops, colors); + + /* AGENT SERVER */ + if (!AddResource (stuff->pid, PictureType, (void *)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; + /* AGENT SERVER */ + + nxagentRenderCreateRadialGradient(pPicture, &stuff->inner, &stuff->outer, + stuff->inner_radius, + stuff->outer_radius, + stuff->nStops, stops, colors); + + /* AGENT SERVER */ + if (!AddResource (stuff->pid, PictureType, (void *)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; + /* AGENT SERVER */ + + nxagentRenderCreateConicalGradient(pPicture, &stuff->center, + stuff->angle, stuff->nStops, stops, + colors); + + /* AGENT SERVER */ + if (!AddResource (stuff->pid, PictureType, (void *)pPicture)) + return BadAlloc; + return Success; +} + + +static int +ProcRenderDispatch (ClientPtr client) +{ + int result; + + REQUEST(xReq); + + /* + * Let the client fail if we are + * hiding the RENDER extension. + */ + + if (nxagentRenderTrap) + { + return BadRequest; + } + + if (stuff->data < RenderNumberRequests) + { + #ifdef TEST + fprintf(stderr, "ProcRenderDispatch: Request [%s] OPCODE#%d.\n", + nxagentRenderRequestLiteral[stuff->data], stuff->data); + #endif + + /* + * Set the nxagentGCTrap flag while + * dispatching a render operation to + * avoid reentrancy in GCOps.c. + */ + + nxagentGCTrap = 1; + + result = (*ProcRenderVector[stuff->data]) (client); + + nxagentGCTrap = 0; + + return result; + } + else + return BadRequest; +} + +static int +SProcRenderDispatch (ClientPtr client) +{ + int result; + + REQUEST(xReq); + + /* + * Let the client fail if we are + * hiding the RENDER extension. + */ + + if (nxagentRenderTrap) + { + return BadRequest; + } + + if (stuff->data < RenderNumberRequests) + { + /* + * Set the nxagentGCTrap flag while + * dispatching a render operation to + * avoid reentrancy in GCOps.c. + */ + + nxagentGCTrap = 1; + + result = (*SProcRenderVector[stuff->data]) (client); + + nxagentGCTrap = 0; + + return result; + } + else + return BadRequest; +} |