/** Free the previously allocated Glyph Sets for each screen. */
static int
dmxProcRenderFreeGlyphSet(ClientPtr client)
{
GlyphSetPtr glyphSet;
REQUEST(xRenderFreeGlyphSetReq);
REQUEST_SIZE_MATCH(xRenderFreeGlyphSetReq);
dixLookupResourceByType((pointer *) &glyphSet,
stuff->glyphset, GlyphSetType,
client, DixDestroyAccess);
if (glyphSet && glyphSet->refcnt == 1) {
dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
int i;
for (i = 0; i < dmxNumScreens; i++) {
DMXScreenInfo *dmxScreen = &dmxScreens[i];
if (dmxScreen->beDisplay) {
if (dmxBEFreeGlyphSet(screenInfo.screens[i], glyphSet))
dmxSync(dmxScreen, FALSE);
}
}
MAXSCREENSFREE(glyphPriv->glyphSets);
free(glyphPriv);
DMX_SET_GLYPH_PRIV(glyphSet, NULL);
}
return dmxSaveRenderVector[stuff->renderReqType] (client);
}
/** Create \a glyphSet on the backend screen number \a idx. */
int
dmxBECreateGlyphSet(int idx, GlyphSetPtr glyphSet)
{
XRenderPictFormat *pFormat;
DMXScreenInfo *dmxScreen = &dmxScreens[idx];
dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
PictFormatPtr pFmt = glyphSet->format;
int (*oldErrorHandler) (Display *, XErrorEvent *);
pFormat = dmxFindFormat(dmxScreen, pFmt);
if (!pFormat) {
return BadMatch;
}
dmxGlyphLastError = 0;
oldErrorHandler = XSetErrorHandler(dmxGlyphErrorHandler);
/* Catch when this fails */
glyphPriv->glyphSets[idx]
= XRenderCreateGlyphSet(dmxScreen->beDisplay, pFormat);
XSetErrorHandler(oldErrorHandler);
if (dmxGlyphLastError) {
return dmxGlyphLastError;
}
return Success;
}
/** Add glyphs to the Glyph Set on each screen. */
static int
dmxProcRenderAddGlyphs(ClientPtr client)
{
int ret;
REQUEST(xRenderAddGlyphsReq);
ret = dmxSaveRenderVector[stuff->renderReqType] (client);
if (ret == Success) {
GlyphSetPtr glyphSet;
dmxGlyphPrivPtr glyphPriv;
int i;
int nglyphs;
CARD32 *gids;
Glyph *gidsCopy;
xGlyphInfo *gi;
CARD8 *bits;
int nbytes;
dixLookupResourceByType((pointer *) &glyphSet,
stuff->glyphset, GlyphSetType,
client, DixReadAccess);
glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
nglyphs = stuff->nglyphs;
gids = (CARD32 *) (stuff + 1);
gi = (xGlyphInfo *) (gids + nglyphs);
bits = (CARD8 *) (gi + nglyphs);
nbytes = ((stuff->length << 2) -
sizeof(xRenderAddGlyphsReq) -
(sizeof(CARD32) + sizeof(xGlyphInfo)) * nglyphs);
gidsCopy = malloc(sizeof(*gidsCopy) * nglyphs);
for (i = 0; i < nglyphs; i++)
gidsCopy[i] = gids[i];
/* FIXME: Will this ever fail? */
for (i = 0; i < dmxNumScreens; i++) {
DMXScreenInfo *dmxScreen = &dmxScreens[i];
if (dmxScreen->beDisplay) {
XRenderAddGlyphs(dmxScreen->beDisplay,
glyphPriv->glyphSets[i],
gidsCopy,
(XGlyphInfo *) gi,
nglyphs, (char *) bits, nbytes);
dmxSync(dmxScreen, FALSE);
}
}
free(gidsCopy);
}
return ret;
}
/** Free \a glyphSet on back-end screen number \a idx. */
Bool dmxBEFreeGlyphSet(ScreenPtr pScreen, GlyphSetPtr glyphSet)
{
dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
int idx = pScreen->myNum;
DMXScreenInfo *dmxScreen = &dmxScreens[idx];
if (glyphPriv->glyphSets[idx]) {
XRenderFreeGlyphSet(dmxScreen->beDisplay, glyphPriv->glyphSets[idx]);
glyphPriv->glyphSets[idx] = (GlyphSet)0;
return TRUE;
}
return FALSE;
}
/** Free glyphs from the Glyph Set for each screen. */
static int
dmxProcRenderFreeGlyphs(ClientPtr client)
{
GlyphSetPtr glyphSet;
REQUEST(xRenderFreeGlyphsReq);
REQUEST_AT_LEAST_SIZE(xRenderFreeGlyphsReq);
dixLookupResourceByType((pointer *) &glyphSet,
stuff->glyphset, GlyphSetType,
client, DixWriteAccess);
if (glyphSet) {
dmxGlyphPrivPtr glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
int i;
int nglyphs;
Glyph *gids;
nglyphs = ((client->req_len << 2) - sizeof(xRenderFreeGlyphsReq)) >> 2;
if (nglyphs) {
gids = malloc(sizeof(*gids) * nglyphs);
for (i = 0; i < nglyphs; i++)
gids[i] = ((CARD32 *) (stuff + 1))[i];
for (i = 0; i < dmxNumScreens; i++) {
DMXScreenInfo *dmxScreen = &dmxScreens[i];
if (dmxScreen->beDisplay) {
XRenderFreeGlyphs(dmxScreen->beDisplay,
glyphPriv->glyphSets[i], gids, nglyphs);
dmxSync(dmxScreen, FALSE);
}
}
free(gids);
}
}
return dmxSaveRenderVector[stuff->renderReqType] (client);
}
/** Composite glyphs on each screen into the requested picture. If
* either the src or dest picture has not been allocated due to lazy
* window creation, this request will gracefully return. */
static int
dmxProcRenderCompositeGlyphs(ClientPtr client)
{
int ret;
REQUEST(xRenderCompositeGlyphsReq);
ret = dmxSaveRenderVector[stuff->renderReqType] (client);
/* For the following to work with PanoramiX, it assumes that Render
* wraps the ProcRenderVector after dmxRenderInit has been called.
*/
if (ret == Success) {
PicturePtr pSrc;
dmxPictPrivPtr pSrcPriv;
PicturePtr pDst;
dmxPictPrivPtr pDstPriv;
PictFormatPtr pFmt;
XRenderPictFormat *pFormat;
int size;
int scrnNum;
DMXScreenInfo *dmxScreen;
CARD8 *buffer;
CARD8 *end;
int space;
int nglyph;
char *glyphs;
char *curGlyph;
xGlyphElt *elt;
int nelt;
XGlyphElt8 *elts;
XGlyphElt8 *curElt;
GlyphSetPtr glyphSet;
dmxGlyphPrivPtr glyphPriv;
dixLookupResourceByType((pointer *) &pSrc,
stuff->src, PictureType, client, DixReadAccess);
pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
if (!pSrcPriv->pict)
return ret;
dixLookupResourceByType((pointer *) &pDst,
stuff->dst, PictureType,
client, DixWriteAccess);
pDstPriv = DMX_GET_PICT_PRIV(pDst);
if (!pDstPriv->pict)
return ret;
scrnNum = pDst->pDrawable->pScreen->myNum;
dmxScreen = &dmxScreens[scrnNum];
/* Note: If the back-end display has been detached, then it
* should not be possible to reach here since the pSrcPriv->pict
* and pDstPriv->pict will have already been set to 0.
*/
if (!dmxScreen->beDisplay)
return ret;
if (stuff->maskFormat)
dixLookupResourceByType((pointer *) &pFmt,
stuff->maskFormat, PictFormatType,
client, DixReadAccess);
else
pFmt = NULL;
pFormat = dmxFindFormat(dmxScreen, pFmt);
switch (stuff->renderReqType) {
case X_RenderCompositeGlyphs8:
size = sizeof(CARD8);
break;
case X_RenderCompositeGlyphs16:
size = sizeof(CARD16);
break;
case X_RenderCompositeGlyphs32:
size = sizeof(CARD32);
break;
default:
return BadPictOp; /* Can't happen */
}
buffer = (CARD8 *) (stuff + 1);
end = (CARD8 *) stuff + (stuff->length << 2);
nelt = 0;
nglyph = 0;
while (buffer + sizeof(xGlyphElt) < end) {
elt = (xGlyphElt *) buffer;
buffer += sizeof(xGlyphElt);
if (elt->len == 0xff) {
buffer += 4;
}
else {
nelt++;
nglyph += elt->len;
space = size * elt->len;
if (space & 3)
space += 4 - (space & 3);
buffer += space;
}
}
/* The following only works for Render version > 0.2 */
/* All of the XGlyphElt* structure sizes are identical */
elts = malloc(nelt * sizeof(XGlyphElt8));
if (!elts)
return BadAlloc;
glyphs = malloc(nglyph * size);
if (!glyphs) {
free(elts);
return BadAlloc;
}
buffer = (CARD8 *) (stuff + 1);
end = (CARD8 *) stuff + (stuff->length << 2);
curGlyph = glyphs;
curElt = elts;
dixLookupResourceByType((pointer *) &glyphSet,
stuff->glyphset, GlyphSetType,
client, DixReadAccess);
glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
while (buffer + sizeof(xGlyphElt) < end) {
elt = (xGlyphElt *) buffer;
buffer += sizeof(xGlyphElt);
if (elt->len == 0xff) {
dixLookupResourceByType((pointer *) &glyphSet,
*((CARD32 *) buffer),
GlyphSetType, client, DixReadAccess);
glyphPriv = DMX_GET_GLYPH_PRIV(glyphSet);
buffer += 4;
}
else {
curElt->glyphset = glyphPriv->glyphSets[scrnNum];
curElt->xOff = elt->deltax;
curElt->yOff = elt->deltay;
curElt->nchars = elt->len;
curElt->chars = curGlyph;
memcpy(curGlyph, buffer, size * elt->len);
curGlyph += size * elt->len;
curElt++;
space = size * elt->len;
if (space & 3)
space += 4 - (space & 3);
buffer += space;
}
}
switch (stuff->renderReqType) {
case X_RenderCompositeGlyphs8:
XRenderCompositeText8(dmxScreen->beDisplay, stuff->op,
pSrcPriv->pict, pDstPriv->pict,
pFormat,
stuff->xSrc, stuff->ySrc, 0, 0, elts, nelt);
break;
case X_RenderCompositeGlyphs16:
XRenderCompositeText16(dmxScreen->beDisplay, stuff->op,
pSrcPriv->pict, pDstPriv->pict,
pFormat,
stuff->xSrc, stuff->ySrc,
0, 0, (XGlyphElt16 *) elts, nelt);
break;
case X_RenderCompositeGlyphs32:
XRenderCompositeText32(dmxScreen->beDisplay, stuff->op,
pSrcPriv->pict, pDstPriv->pict,
pFormat,
stuff->xSrc, stuff->ySrc,
0, 0, (XGlyphElt32 *) elts, nelt);
break;
}
dmxSync(dmxScreen, FALSE);
free(elts);
free(glyphs);
}
return ret;
}
