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-rw-r--r--xorg-server/render/render.c6788
1 files changed, 3394 insertions, 3394 deletions
diff --git a/xorg-server/render/render.c b/xorg-server/render/render.c
index 9f1b4701f..fbb296809 100644
--- a/xorg-server/render/render.c
+++ b/xorg-server/render/render.c
@@ -1,3394 +1,3394 @@
-/*
- *
- * 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 <dix-config.h>
-#endif
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "os.h"
-#include "dixstruct.h"
-#include "resource.h"
-#include "scrnintstr.h"
-#include "windowstr.h"
-#include "pixmapstr.h"
-#include "colormapst.h"
-#include "extnsionst.h"
-#include "servermd.h"
-#include <X11/extensions/render.h>
-#include <X11/extensions/renderproto.h>
-#include "picturestr.h"
-#include "glyphstr.h"
-#include <X11/Xfuncproto.h>
-#include "cursorstr.h"
-#include "xace.h"
-#include "protocol-versions.h"
-
-#ifdef PANORAMIX
-#include "panoramiX.h"
-#include "panoramiXsrv.h"
-#endif
-
-#if HAVE_STDINT_H
-#include <stdint.h>
-#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 DevPrivateKeyRec RenderClientPrivateKeyRec;
-#define RenderClientPrivateKey (&RenderClientPrivateKeyRec )
-
-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;
-}
-
-#ifdef PANORAMIX
-unsigned long XRT_PICTURE;
-#endif
-
-void
-RenderExtensionInit (void)
-{
- ExtensionEntry *extEntry;
-
- if (!PictureType)
- return;
- if (!PictureFinishInit ())
- return;
- if (!dixRegisterPrivateKey(&RenderClientPrivateKeyRec, PRIVATE_CLIENT, 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;
-#ifdef PANORAMIX
- if (XRT_PICTURE)
- SetResourceTypeErrorValue(XRT_PICTURE, RenderErrBase + BadPicture);
-#endif
- SetResourceTypeErrorValue(PictureType, RenderErrBase + BadPicture);
- SetResourceTypeErrorValue(PictFormatType, RenderErrBase + BadPictFormat);
- SetResourceTypeErrorValue(GlyphSetType, RenderErrBase + BadGlyphSet);
-}
-
-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;
-
- 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;
-
- 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;
- }
- 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;
- }
- 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;
- }
- 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;
- }
- 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;
-
- 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;
- }
- 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;
- }
- 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;
- }
-
- 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;
-
- /* protect against bad nglyphs */
- if (gi < ((xGlyphInfo *)stuff) ||
- gi > ((xGlyphInfo *)((CARD32 *)stuff + client->req_len)) ||
- bits < ((CARD8 *)stuff) ||
- bits > ((CARD8 *)((CARD32 *)stuff + client->req_len))) {
- err = BadLength;
- goto bail;
- }
-
- 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;
- }
- 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;
- }
- else
- pFormat = 0;
-
- rc = dixLookupResourceByType((pointer *)&glyphSet, stuff->glyphset,
- GlyphSetType, client, DixUseAccess);
- if (rc != Success)
- return 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;
- }
- }
- 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;
- }
- 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(colors, n);
- ++colors;
- }
-}
-
-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
-#define VERIFY_XIN_PICTURE(pPicture, pid, client, mode) {\
- int rc = dixLookupResourceByType((pointer *)&(pPicture), pid,\
- XRT_PICTURE, client, mode);\
- if (rc != Success)\
- return 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);
-
-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 == screenInfo.screens[0]->root->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 - screenInfo.screens[j]->x;
- stuff->ySrc = orig.ySrc - screenInfo.screens[j]->y;
- }
- stuff->dst = dst->info[j].id;
- if (dst->u.pict.root)
- {
- stuff->xDst = orig.xDst - screenInfo.screens[j]->x;
- stuff->yDst = orig.yDst - screenInfo.screens[j]->y;
- }
- if (msk)
- {
- stuff->mask = msk->info[j].id;
- if (msk->u.pict.root)
- {
- stuff->xMask = orig.xMask - screenInfo.screens[j]->x;
- stuff->yMask = orig.yMask - screenInfo.screens[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 - screenInfo.screens[j]->x;
- stuff->ySrc = ySrc - screenInfo.screens[j]->y;
- }
- stuff->dst = dst->info[j].id;
- if (dst->u.pict.root)
- {
- elt->deltax = origElt.deltax - screenInfo.screens[j]->x;
- elt->deltay = origElt.deltay - screenInfo.screens[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 = screenInfo.screens[j]->x;
- int y_off = screenInfo.screens[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 = screenInfo.screens[j]->x;
- int y_off = screenInfo.screens[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 = screenInfo.screens[j]->x;
- int y_off = screenInfo.screens[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 = screenInfo.screens[j]->x;
- int y_off = screenInfo.screens[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 = screenInfo.screens[j]->x;
- int y_off = screenInfo.screens[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 + screenInfo.screens[j]->x;
- stuff->yOff = y_off + screenInfo.screens[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");
- if (RenderErrBase)
- SetResourceTypeErrorValue(XRT_PICTURE, RenderErrBase + BadPicture);
- 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];
- RenderErrBase = 0;
-}
-
-#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 <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "os.h"
+#include "dixstruct.h"
+#include "resource.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "pixmapstr.h"
+#include "colormapst.h"
+#include "extnsionst.h"
+#include "servermd.h"
+#include <X11/extensions/render.h>
+#include <X11/extensions/renderproto.h>
+#include "picturestr.h"
+#include "glyphstr.h"
+#include <X11/Xfuncproto.h>
+#include "cursorstr.h"
+#include "xace.h"
+#include "protocol-versions.h"
+
+#ifdef PANORAMIX
+#include "panoramiX.h"
+#include "panoramiXsrv.h"
+#endif
+
+#if HAVE_STDINT_H
+#include <stdint.h>
+#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 DevPrivateKeyRec RenderClientPrivateKeyRec;
+#define RenderClientPrivateKey (&RenderClientPrivateKeyRec )
+
+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;
+}
+
+#ifdef PANORAMIX
+RESTYPE XRT_PICTURE;
+#endif
+
+void
+RenderExtensionInit (void)
+{
+ ExtensionEntry *extEntry;
+
+ if (!PictureType)
+ return;
+ if (!PictureFinishInit ())
+ return;
+ if (!dixRegisterPrivateKey(&RenderClientPrivateKeyRec, PRIVATE_CLIENT, 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;
+#ifdef PANORAMIX
+ if (XRT_PICTURE)
+ SetResourceTypeErrorValue(XRT_PICTURE, RenderErrBase + BadPicture);
+#endif
+ SetResourceTypeErrorValue(PictureType, RenderErrBase + BadPicture);
+ SetResourceTypeErrorValue(PictFormatType, RenderErrBase + BadPictFormat);
+ SetResourceTypeErrorValue(GlyphSetType, RenderErrBase + BadGlyphSet);
+}
+
+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;
+
+ 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;
+
+ 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;
+ }
+ 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;
+ }
+ 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;
+ }
+ 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;
+ }
+ 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;
+
+ 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;
+ }
+ 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;
+ }
+ 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;
+ }
+
+ 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;
+
+ /* protect against bad nglyphs */
+ if (gi < ((xGlyphInfo *)stuff) ||
+ gi > ((xGlyphInfo *)((CARD32 *)stuff + client->req_len)) ||
+ bits < ((CARD8 *)stuff) ||
+ bits > ((CARD8 *)((CARD32 *)stuff + client->req_len))) {
+ err = BadLength;
+ goto bail;
+ }
+
+ 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;
+ }
+ 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;
+ }
+ else
+ pFormat = 0;
+
+ rc = dixLookupResourceByType((pointer *)&glyphSet, stuff->glyphset,
+ GlyphSetType, client, DixUseAccess);
+ if (rc != Success)
+ return 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;
+ }
+ }
+ 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;
+ }
+ 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(colors, n);
+ ++colors;
+ }
+}
+
+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
+#define VERIFY_XIN_PICTURE(pPicture, pid, client, mode) {\
+ int rc = dixLookupResourceByType((pointer *)&(pPicture), pid,\
+ XRT_PICTURE, client, mode);\
+ if (rc != Success)\
+ return 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);
+
+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 == screenInfo.screens[0]->root->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 - screenInfo.screens[j]->x;
+ stuff->ySrc = orig.ySrc - screenInfo.screens[j]->y;
+ }
+ stuff->dst = dst->info[j].id;
+ if (dst->u.pict.root)
+ {
+ stuff->xDst = orig.xDst - screenInfo.screens[j]->x;
+ stuff->yDst = orig.yDst - screenInfo.screens[j]->y;
+ }
+ if (msk)
+ {
+ stuff->mask = msk->info[j].id;
+ if (msk->u.pict.root)
+ {
+ stuff->xMask = orig.xMask - screenInfo.screens[j]->x;
+ stuff->yMask = orig.yMask - screenInfo.screens[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 - screenInfo.screens[j]->x;
+ stuff->ySrc = ySrc - screenInfo.screens[j]->y;
+ }
+ stuff->dst = dst->info[j].id;
+ if (dst->u.pict.root)
+ {
+ elt->deltax = origElt.deltax - screenInfo.screens[j]->x;
+ elt->deltay = origElt.deltay - screenInfo.screens[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 = screenInfo.screens[j]->x;
+ int y_off = screenInfo.screens[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 = screenInfo.screens[j]->x;
+ int y_off = screenInfo.screens[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 = screenInfo.screens[j]->x;
+ int y_off = screenInfo.screens[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 = screenInfo.screens[j]->x;
+ int y_off = screenInfo.screens[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 = screenInfo.screens[j]->x;
+ int y_off = screenInfo.screens[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 + screenInfo.screens[j]->x;
+ stuff->yOff = y_off + screenInfo.screens[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");
+ if (RenderErrBase)
+ SetResourceTypeErrorValue(XRT_PICTURE, RenderErrBase + BadPicture);
+ 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];
+ RenderErrBase = 0;
+}
+
+#endif /* PANORAMIX */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 05:59:52 +0000