xenocara/xserver/render/render.c
2019-12-12 06:05:17 +00:00

3316 lines
95 KiB
C

/*
*
* 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 "extinit.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
#include <stdint.h>
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))
#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;
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 = {
.type = X_Reply,
.sequenceNumber = client->sequence,
.length = 0
};
REQUEST(xRenderQueryVersionReq);
REQUEST_SIZE_MATCH(xRenderQueryVersionReq);
pRenderClient->major_version = stuff->majorVersion;
pRenderClient->minor_version = stuff->minorVersion;
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);
swapl(&rep.length);
swapl(&rep.majorVersion);
swapl(&rep.minorVersion);
}
WriteToClient(client, sizeof(xRenderQueryVersionReply), &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 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);
swaps(&pictForm->direct.red);
swaps(&pictForm->direct.redMask);
swaps(&pictForm->direct.green);
swaps(&pictForm->direct.greenMask);
swaps(&pictForm->direct.blue);
swaps(&pictForm->direct.blueMask);
swaps(&pictForm->direct.alpha);
swaps(&pictForm->direct.alphaMask);
swapl(&pictForm->colormap);
}
pictForm++;
}
}
}
pictScreen = (xPictScreen *) pictForm;
for (s = 0; s < numScreens; s++) {
pScreen = screenInfo.screens[s];
pictDepth = (xPictDepth *) (pictScreen + 1);
ndepth = 0;
for (d = 0; d < pScreen->numDepths; d++) {
pictVisual = (xPictVisual *) (pictDepth + 1);
pDepth = pScreen->allowedDepths + d;
nvisual = 0;
for (v = 0; v < pDepth->numVids; v++) {
pVisual = findVisual(pScreen, pDepth->vids[v]);
if (pVisual && (pFormat = PictureMatchVisual(pScreen,
pDepth->depth,
pVisual))) {
pictVisual->visual = pVisual->vid;
pictVisual->format = pFormat->id;
if (client->swapped) {
swapl(&pictVisual->visual);
swapl(&pictVisual->format);
}
pictVisual++;
nvisual++;
}
}
pictDepth->depth = pDepth->depth;
pictDepth->nPictVisuals = nvisual;
if (client->swapped) {
swaps(&pictDepth->nPictVisuals);
}
ndepth++;
pictDepth = (xPictDepth *) pictVisual;
}
pictScreen->nDepth = ndepth;
ps = GetPictureScreenIfSet(pScreen);
if (ps)
pictScreen->fallback = ps->fallback->id;
else
pictScreen->fallback = 0;
if (client->swapped) {
swapl(&pictScreen->nDepth);
swapl(&pictScreen->fallback);
}
pictScreen = (xPictScreen *) pictDepth;
}
pictSubpixel = (CARD32 *) pictScreen;
for (s = 0; s < numSubpixel; s++) {
pScreen = screenInfo.screens[s];
ps = GetPictureScreenIfSet(pScreen);
if (ps)
*pictSubpixel = ps->subpixel;
else
*pictSubpixel = SubPixelUnknown;
if (client->swapped) {
swapl(pictSubpixel);
}
++pictSubpixel;
}
if (client->swapped) {
swaps(&reply->sequenceNumber);
swapl(&reply->length);
swapl(&reply->numFormats);
swapl(&reply->numScreens);
swapl(&reply->numDepths);
swapl(&reply->numVisuals);
swapl(&reply->numSubpixel);
}
WriteToClient(client, rlength, reply);
free(reply);
return Success;
}
static int
ProcRenderQueryPictIndexValues(ClientPtr client)
{
PictFormatPtr pFormat;
int rc, num;
int rlength;
int i;
REQUEST(xRenderQueryPictIndexValuesReq);
xRenderQueryPictIndexValuesReply *reply;
xIndexValue *values;
REQUEST_AT_LEAST_SIZE(xRenderQueryPictIndexValuesReq);
rc = dixLookupResourceByType((void **) &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 *) calloc(1, 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);
swaps(&values[i].red);
swaps(&values[i].green);
swaps(&values[i].blue);
swaps(&values[i].alpha);
}
swaps(&reply->sequenceNumber);
swapl(&reply->length);
swapl(&reply->numIndexValues);
}
WriteToClient(client, rlength, 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((void **) &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, (void *) 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 RenderErrBase + BadPicture;
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((void **) &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((void **) &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((void **) &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((void **) &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((void **) &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, (void *) 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((void **) &glyphSet, stuff->existing,
GlyphSetType, client, DixGetAttrAccess);
if (rc != Success) {
client->errorValue = stuff->existing;
return rc;
}
glyphSet->refcnt++;
if (!AddResource(stuff->gsid, GlyphSetType, (void *) 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((void **) &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((void **) &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;
}
pDst = CreatePicture(0, &pDstPix->drawable,
glyphSet->format,
CPComponentAlpha, &component_alpha,
serverClient, &error);
SetGlyphPicture(glyph, pScreen, pDst);
/* 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((void *) 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((void *) 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((void **) &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((void **) &pFormat, stuff->maskFormat,
PictFormatType, client, DixReadAccess);
if (rc != Success)
return rc;
}
else
pFormat = 0;
rc = dixLookupResourceByType((void **) &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 = xallocarray(nglyph, sizeof(GlyphPtr));
if (!glyphsBase)
return BadAlloc;
}
if (nlist <= NLOCALDELTA)
listsBase = listsLocal;
else {
listsBase = xallocarray(nlist, sizeof(GlyphListRec));
if (!listsBase) {
rc = BadAlloc;
goto bail;
}
}
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((void **) &glyphSet, gs,
GlyphSetType, client,
DixUseAccess);
if (rc != Success)
goto bail;
}
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) {
rc = BadLength;
goto bail;
}
CompositeGlyphs(stuff->op,
pSrc,
pDst,
pFormat,
stuff->xSrc, stuff->ySrc, nlist, listsBase, glyphsBase);
rc = Success;
bail:
if (glyphsBase != glyphsLocal)
free(glyphsBase);
if (listsBase != listsLocal)
free(listsBase);
return rc;
}
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;
}
/* what kind of maniac creates a cursor from a window picture though */
if (pSrc->pDrawable->type == DRAWABLE_WINDOW)
pScreen->SourceValidate(pSrc->pDrawable, 0, 0, width, height,
IncludeInferiors);
if (pSrc->format == PICT_a8r8g8b8) {
(*pScreen->GetImage) (pSrc->pDrawable,
0, 0, width, height, ZPixmap,
0xffffffff, (void *) argbbits);
}
else {
PixmapPtr pPixmap;
PicturePtr pPicture;
PictFormatPtr pFormat;
int error;
pFormat = PictureMatchFormat(pScreen, 32, PICT_a8r8g8b8);
if (!pFormat) {
free(argbbits);
free(srcbits);
free(mskbits);
return BadImplementation;
}
pPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, 32,
CREATE_PIXMAP_USAGE_SCRATCH);
if (!pPixmap) {
free(argbbits);
free(srcbits);
free(mskbits);
return BadAlloc;
}
pPicture = CreatePicture(0, &pPixmap->drawable, pFormat, 0, 0,
client, &error);
if (!pPicture) {
free(argbbits);
free(srcbits);
free(mskbits);
return error;
}
(*pScreen->DestroyPixmap) (pPixmap);
CompositePicture(PictOpSrc,
pSrc, 0, pPicture, 0, 0, 0, 0, 0, 0, width, height);
(*pScreen->GetImage) (pPicture->pDrawable,
0, 0, width, height, ZPixmap,
0xffffffff, (void *) argbbits);
FreePicture(pPicture, 0);
}
/*
* Check whether the cursor can be directly supported by
* the core cursor code
*/
ncolor = 0;
argb = argbbits;
for (y = 0; ncolor <= 2 && y < height; y++) {
for (x = 0; ncolor <= 2 && x < width; x++) {
CARD32 p = *argb++;
CARD32 a = (p >> 24);
if (a == 0) /* transparent */
continue;
if (a == 0xff) { /* opaque */
int n;
for (n = 0; n < ncolor; n++)
if (p == twocolor[n])
break;
if (n == ncolor)
twocolor[ncolor++] = p;
}
else
ncolor = 3;
}
}
/*
* Convert argb image to two plane cursor
*/
srcline = srcbits;
mskline = mskbits;
argb = argbbits;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
CARD32 p = *argb++;
if (ncolor <= 2) {
CARD32 a = ((p >> 24));
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)
goto bail;
if (!AddResource(stuff->cid, RT_CURSOR, (void *) pCursor)) {
rc = BadAlloc;
goto bail;
}
return Success;
bail:
free(srcbits);
free(mskbits);
return rc;
}
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 *) calloc(1, 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;
memcpy(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;
memcpy(names, ps->filterAliases[i].alias, j);
names += j;
}
}
if (client->swapped) {
for (i = 0; i < reply->numAliases; i++) {
swaps(&aliases[i]);
}
swaps(&reply->sequenceNumber);
swapl(&reply->length);
swapl(&reply->numAliases);
swapl(&reply->numFilters);
}
WriteToClient(client, total_bytes, 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;
if (nparams < 0)
return BadLength;
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 = xallocarray(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((void **) (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, (void *) 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, (void *) pPicture))
return BadAlloc;
return Success;
}
static int
ProcRenderCreateLinearGradient(ClientPtr client)
{
PicturePtr pPicture;
int len;
int error = 0;
xFixed *stops;
xRenderColor *colors;
REQUEST(xRenderCreateLinearGradientReq);
REQUEST_AT_LEAST_SIZE(xRenderCreateLinearGradientReq);
LEGAL_NEW_RESOURCE(stuff->pid, client);
len = (client->req_len << 2) - sizeof(xRenderCreateLinearGradientReq);
if (stuff->nStops > UINT32_MAX / (sizeof(xFixed) + sizeof(xRenderColor)))
return BadLength;
if (len != stuff->nStops * (sizeof(xFixed) + sizeof(xRenderColor)))
return BadLength;
stops = (xFixed *) (stuff + 1);
colors = (xRenderColor *) (stops + stuff->nStops);
pPicture = CreateLinearGradientPicture(stuff->pid, &stuff->p1, &stuff->p2,
stuff->nStops, stops, colors,
&error);
if (!pPicture)
return error;
/* 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, (void *) pPicture))
return BadAlloc;
return Success;
}
static int
ProcRenderCreateRadialGradient(ClientPtr client)
{
PicturePtr pPicture;
int len;
int error = 0;
xFixed *stops;
xRenderColor *colors;
REQUEST(xRenderCreateRadialGradientReq);
REQUEST_AT_LEAST_SIZE(xRenderCreateRadialGradientReq);
LEGAL_NEW_RESOURCE(stuff->pid, client);
len = (client->req_len << 2) - sizeof(xRenderCreateRadialGradientReq);
if (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 =
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, (void *) pPicture))
return BadAlloc;
return Success;
}
static int
ProcRenderCreateConicalGradient(ClientPtr client)
{
PicturePtr pPicture;
int len;
int error = 0;
xFixed *stops;
xRenderColor *colors;
REQUEST(xRenderCreateConicalGradientReq);
REQUEST_AT_LEAST_SIZE(xRenderCreateConicalGradientReq);
LEGAL_NEW_RESOURCE(stuff->pid, client);
len = (client->req_len << 2) - sizeof(xRenderCreateConicalGradientReq);
if (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 =
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, (void *) 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 _X_COLD
SProcRenderQueryVersion(ClientPtr client)
{
REQUEST(xRenderQueryVersionReq);
REQUEST_SIZE_MATCH(xRenderQueryVersionReq);
swaps(&stuff->length);
swapl(&stuff->majorVersion);
swapl(&stuff->minorVersion);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderQueryPictFormats(ClientPtr client)
{
REQUEST(xRenderQueryPictFormatsReq);
REQUEST_SIZE_MATCH(xRenderQueryPictFormatsReq);
swaps(&stuff->length);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderQueryPictIndexValues(ClientPtr client)
{
REQUEST(xRenderQueryPictIndexValuesReq);
REQUEST_AT_LEAST_SIZE(xRenderQueryPictIndexValuesReq);
swaps(&stuff->length);
swapl(&stuff->format);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderQueryDithers(ClientPtr client)
{
return BadImplementation;
}
static int _X_COLD
SProcRenderCreatePicture(ClientPtr client)
{
REQUEST(xRenderCreatePictureReq);
REQUEST_AT_LEAST_SIZE(xRenderCreatePictureReq);
swaps(&stuff->length);
swapl(&stuff->pid);
swapl(&stuff->drawable);
swapl(&stuff->format);
swapl(&stuff->mask);
SwapRestL(stuff);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderChangePicture(ClientPtr client)
{
REQUEST(xRenderChangePictureReq);
REQUEST_AT_LEAST_SIZE(xRenderChangePictureReq);
swaps(&stuff->length);
swapl(&stuff->picture);
swapl(&stuff->mask);
SwapRestL(stuff);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderSetPictureClipRectangles(ClientPtr client)
{
REQUEST(xRenderSetPictureClipRectanglesReq);
REQUEST_AT_LEAST_SIZE(xRenderSetPictureClipRectanglesReq);
swaps(&stuff->length);
swapl(&stuff->picture);
swaps(&stuff->xOrigin);
swaps(&stuff->yOrigin);
SwapRestS(stuff);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderFreePicture(ClientPtr client)
{
REQUEST(xRenderFreePictureReq);
REQUEST_SIZE_MATCH(xRenderFreePictureReq);
swaps(&stuff->length);
swapl(&stuff->picture);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderComposite(ClientPtr client)
{
REQUEST(xRenderCompositeReq);
REQUEST_SIZE_MATCH(xRenderCompositeReq);
swaps(&stuff->length);
swapl(&stuff->src);
swapl(&stuff->mask);
swapl(&stuff->dst);
swaps(&stuff->xSrc);
swaps(&stuff->ySrc);
swaps(&stuff->xMask);
swaps(&stuff->yMask);
swaps(&stuff->xDst);
swaps(&stuff->yDst);
swaps(&stuff->width);
swaps(&stuff->height);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderScale(ClientPtr client)
{
return BadImplementation;
}
static int _X_COLD
SProcRenderTrapezoids(ClientPtr client)
{
REQUEST(xRenderTrapezoidsReq);
REQUEST_AT_LEAST_SIZE(xRenderTrapezoidsReq);
swaps(&stuff->length);
swapl(&stuff->src);
swapl(&stuff->dst);
swapl(&stuff->maskFormat);
swaps(&stuff->xSrc);
swaps(&stuff->ySrc);
SwapRestL(stuff);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderTriangles(ClientPtr client)
{
REQUEST(xRenderTrianglesReq);
REQUEST_AT_LEAST_SIZE(xRenderTrianglesReq);
swaps(&stuff->length);
swapl(&stuff->src);
swapl(&stuff->dst);
swapl(&stuff->maskFormat);
swaps(&stuff->xSrc);
swaps(&stuff->ySrc);
SwapRestL(stuff);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderTriStrip(ClientPtr client)
{
REQUEST(xRenderTriStripReq);
REQUEST_AT_LEAST_SIZE(xRenderTriStripReq);
swaps(&stuff->length);
swapl(&stuff->src);
swapl(&stuff->dst);
swapl(&stuff->maskFormat);
swaps(&stuff->xSrc);
swaps(&stuff->ySrc);
SwapRestL(stuff);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderTriFan(ClientPtr client)
{
REQUEST(xRenderTriFanReq);
REQUEST_AT_LEAST_SIZE(xRenderTriFanReq);
swaps(&stuff->length);
swapl(&stuff->src);
swapl(&stuff->dst);
swapl(&stuff->maskFormat);
swaps(&stuff->xSrc);
swaps(&stuff->ySrc);
SwapRestL(stuff);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderColorTrapezoids(ClientPtr client)
{
return BadImplementation;
}
static int _X_COLD
SProcRenderColorTriangles(ClientPtr client)
{
return BadImplementation;
}
static int _X_COLD
SProcRenderTransform(ClientPtr client)
{
return BadImplementation;
}
static int _X_COLD
SProcRenderCreateGlyphSet(ClientPtr client)
{
REQUEST(xRenderCreateGlyphSetReq);
REQUEST_SIZE_MATCH(xRenderCreateGlyphSetReq);
swaps(&stuff->length);
swapl(&stuff->gsid);
swapl(&stuff->format);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderReferenceGlyphSet(ClientPtr client)
{
REQUEST(xRenderReferenceGlyphSetReq);
REQUEST_SIZE_MATCH(xRenderReferenceGlyphSetReq);
swaps(&stuff->length);
swapl(&stuff->gsid);
swapl(&stuff->existing);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderFreeGlyphSet(ClientPtr client)
{
REQUEST(xRenderFreeGlyphSetReq);
REQUEST_SIZE_MATCH(xRenderFreeGlyphSetReq);
swaps(&stuff->length);
swapl(&stuff->glyphset);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderAddGlyphs(ClientPtr client)
{
register int i;
CARD32 *gids;
void *end;
xGlyphInfo *gi;
REQUEST(xRenderAddGlyphsReq);
REQUEST_AT_LEAST_SIZE(xRenderAddGlyphsReq);
swaps(&stuff->length);
swapl(&stuff->glyphset);
swapl(&stuff->nglyphs);
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]);
swaps(&gi[i].width);
swaps(&gi[i].height);
swaps(&gi[i].x);
swaps(&gi[i].y);
swaps(&gi[i].xOff);
swaps(&gi[i].yOff);
}
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderAddGlyphsFromPicture(ClientPtr client)
{
return BadImplementation;
}
static int _X_COLD
SProcRenderFreeGlyphs(ClientPtr client)
{
REQUEST(xRenderFreeGlyphsReq);
REQUEST_AT_LEAST_SIZE(xRenderFreeGlyphsReq);
swaps(&stuff->length);
swapl(&stuff->glyphset);
SwapRestL(stuff);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderCompositeGlyphs(ClientPtr client)
{
xGlyphElt *elt;
CARD8 *buffer;
CARD8 *end;
int space;
int i;
int size;
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;
}
swaps(&stuff->length);
swapl(&stuff->src);
swapl(&stuff->dst);
swapl(&stuff->maskFormat);
swapl(&stuff->glyphset);
swaps(&stuff->xSrc);
swaps(&stuff->ySrc);
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);
swaps(&elt->deltay);
i = elt->len;
if (i == 0xff) {
swapl((int *) buffer);
buffer += 4;
}
else {
space = size * i;
switch (size) {
case 1:
buffer += i;
break;
case 2:
while (i--) {
swaps((short *) buffer);
buffer += 2;
}
break;
case 4:
while (i--) {
swapl((int *) buffer);
buffer += 4;
}
break;
}
if (space & 3)
buffer += 4 - (space & 3);
}
}
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderFillRectangles(ClientPtr client)
{
REQUEST(xRenderFillRectanglesReq);
REQUEST_AT_LEAST_SIZE(xRenderFillRectanglesReq);
swaps(&stuff->length);
swapl(&stuff->dst);
swaps(&stuff->color.red);
swaps(&stuff->color.green);
swaps(&stuff->color.blue);
swaps(&stuff->color.alpha);
SwapRestS(stuff);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderCreateCursor(ClientPtr client)
{
REQUEST(xRenderCreateCursorReq);
REQUEST_SIZE_MATCH(xRenderCreateCursorReq);
swaps(&stuff->length);
swapl(&stuff->cid);
swapl(&stuff->src);
swaps(&stuff->x);
swaps(&stuff->y);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderSetPictureTransform(ClientPtr client)
{
REQUEST(xRenderSetPictureTransformReq);
REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq);
swaps(&stuff->length);
swapl(&stuff->picture);
swapl(&stuff->transform.matrix11);
swapl(&stuff->transform.matrix12);
swapl(&stuff->transform.matrix13);
swapl(&stuff->transform.matrix21);
swapl(&stuff->transform.matrix22);
swapl(&stuff->transform.matrix23);
swapl(&stuff->transform.matrix31);
swapl(&stuff->transform.matrix32);
swapl(&stuff->transform.matrix33);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderQueryFilters(ClientPtr client)
{
REQUEST(xRenderQueryFiltersReq);
REQUEST_SIZE_MATCH(xRenderQueryFiltersReq);
swaps(&stuff->length);
swapl(&stuff->drawable);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderSetPictureFilter(ClientPtr client)
{
REQUEST(xRenderSetPictureFilterReq);
REQUEST_AT_LEAST_SIZE(xRenderSetPictureFilterReq);
swaps(&stuff->length);
swapl(&stuff->picture);
swaps(&stuff->nbytes);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderCreateAnimCursor(ClientPtr client)
{
REQUEST(xRenderCreateAnimCursorReq);
REQUEST_AT_LEAST_SIZE(xRenderCreateAnimCursorReq);
swaps(&stuff->length);
swapl(&stuff->cid);
SwapRestL(stuff);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderAddTraps(ClientPtr client)
{
REQUEST(xRenderAddTrapsReq);
REQUEST_AT_LEAST_SIZE(xRenderAddTrapsReq);
swaps(&stuff->length);
swapl(&stuff->picture);
swaps(&stuff->xOff);
swaps(&stuff->yOff);
SwapRestL(stuff);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static int _X_COLD
SProcRenderCreateSolidFill(ClientPtr client)
{
REQUEST(xRenderCreateSolidFillReq);
REQUEST_AT_LEAST_SIZE(xRenderCreateSolidFillReq);
swaps(&stuff->length);
swapl(&stuff->pid);
swaps(&stuff->color.alpha);
swaps(&stuff->color.red);
swaps(&stuff->color.green);
swaps(&stuff->color.blue);
return (*ProcRenderVector[stuff->renderReqType]) (client);
}
static void _X_COLD
swapStops(void *stuff, int num)
{
int i;
CARD32 *stops;
CARD16 *colors;
stops = (CARD32 *) (stuff);
for (i = 0; i < num; ++i) {
swapl(stops);
++stops;
}
colors = (CARD16 *) (stops);
for (i = 0; i < 4 * num; ++i) {
swaps(colors);
++colors;
}
}
static int _X_COLD
SProcRenderCreateLinearGradient(ClientPtr client)
{
int len;
REQUEST(xRenderCreateLinearGradientReq);
REQUEST_AT_LEAST_SIZE(xRenderCreateLinearGradientReq);
swaps(&stuff->length);
swapl(&stuff->pid);
swapl(&stuff->p1.x);
swapl(&stuff->p1.y);
swapl(&stuff->p2.x);
swapl(&stuff->p2.y);
swapl(&stuff->nStops);
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 _X_COLD
SProcRenderCreateRadialGradient(ClientPtr client)
{
int len;
REQUEST(xRenderCreateRadialGradientReq);
REQUEST_AT_LEAST_SIZE(xRenderCreateRadialGradientReq);
swaps(&stuff->length);
swapl(&stuff->pid);
swapl(&stuff->inner.x);
swapl(&stuff->inner.y);
swapl(&stuff->outer.x);
swapl(&stuff->outer.y);
swapl(&stuff->inner_radius);
swapl(&stuff->outer_radius);
swapl(&stuff->nStops);
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 _X_COLD
SProcRenderCreateConicalGradient(ClientPtr client)
{
int len;
REQUEST(xRenderCreateConicalGradientReq);
REQUEST_AT_LEAST_SIZE(xRenderCreateConicalGradientReq);
swaps(&stuff->length);
swapl(&stuff->pid);
swapl(&stuff->center.x);
swapl(&stuff->center.y);
swapl(&stuff->angle);
swapl(&stuff->nStops);
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 _X_COLD
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((void **)&(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((void **) &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;
panoramix_setup_ids(newPict, client, 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_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;
panoramix_setup_ids(newPict, client, stuff->pid);
newPict->u.pict.root = FALSE;
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;
panoramix_setup_ids(newPict, client, stuff->pid);
newPict->u.pict.root = FALSE;
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;
panoramix_setup_ids(newPict, client, stuff->pid);
newPict->u.pict.root = FALSE;
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;
panoramix_setup_ids(newPict, client, stuff->pid);
newPict->u.pict.root = FALSE;
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 */