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authormarha <marha@users.sourceforge.net>2012-03-23 10:05:55 +0100
committermarha <marha@users.sourceforge.net>2012-03-23 10:05:55 +0100
commit0f834b91a4768673833ab4917e87d86c237bb1a6 (patch)
tree363489504ed4b2d360259b8de4c9e392918e5d02 /xorg-server/hw/dmx/dmxpict.c
parentfc72edebf875378459368c5383d9023730cbca54 (diff)
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libX11 xserver fontconfig mesa pixman xkbcomp xkeyboard-config git update
23 Mar 2012
Diffstat (limited to 'xorg-server/hw/dmx/dmxpict.c')
-rw-r--r--xorg-server/hw/dmx/dmxpict.c2517
1 files changed, 1280 insertions, 1237 deletions
diff --git a/xorg-server/hw/dmx/dmxpict.c b/xorg-server/hw/dmx/dmxpict.c
index 1ea6543e0..b1177cf41 100644
--- a/xorg-server/hw/dmx/dmxpict.c
+++ b/xorg-server/hw/dmx/dmxpict.c
@@ -1,1237 +1,1280 @@
-/*
- * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
- *
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining
- * a copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation on the rights to use, copy, modify, merge,
- * publish, distribute, sublicense, and/or sell copies of the Software,
- * and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial
- * portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-/*
- * Authors:
- * Kevin E. Martin <kem@redhat.com>
- *
- */
-
-/** \file
- * Provide support for the RENDER extension (version 0.8).
- */
-
-#ifdef HAVE_DMX_CONFIG_H
-#include <dmx-config.h>
-#endif
-
-#include "dmx.h"
-#include "dmxsync.h"
-#include "dmxpict.h"
-#include "dmxwindow.h"
-#include "dmxpixmap.h"
-
-#include "fb.h"
-#include "pixmapstr.h"
-#include "dixstruct.h"
-
-#include <X11/extensions/render.h>
-#include <X11/extensions/renderproto.h>
-#include <X11/extensions/Xfixes.h>
-#include "picture.h"
-#include "picturestr.h"
-#include "mipict.h"
-#include "fbpict.h"
-
-
-extern int RenderErrBase;
-extern int (*ProcRenderVector[RenderNumberRequests])(ClientPtr);
-
-static int (*dmxSaveRenderVector[RenderNumberRequests])(ClientPtr);
-
-
-static int dmxProcRenderCreateGlyphSet(ClientPtr client);
-static int dmxProcRenderFreeGlyphSet(ClientPtr client);
-static int dmxProcRenderAddGlyphs(ClientPtr client);
-static int dmxProcRenderFreeGlyphs(ClientPtr client);
-static int dmxProcRenderCompositeGlyphs(ClientPtr client);
-static int dmxProcRenderSetPictureTransform(ClientPtr client);
-static int dmxProcRenderSetPictureFilter(ClientPtr client);
-#if 0
-/* FIXME: Not (yet) supported */
-static int dmxProcRenderCreateCursor(ClientPtr client);
-static int dmxProcRenderCreateAnimCursor(ClientPtr client);
-#endif
-
-/** Catch errors that might occur when allocating Glyph Sets. Errors
- * are saved in dmxGlyphLastError for later handling. */
-static int dmxGlyphLastError;
-static int dmxGlyphErrorHandler(Display *dpy, XErrorEvent *ev)
-{
- dmxGlyphLastError = ev->error_code;
- return 0;
-}
-
-
-/** Initialize the Proc Vector for the RENDER extension. The functions
- * here cannot be handled by the mi layer RENDER hooks either because
- * the required information is no longer available when it reaches the
- * mi layer or no mi layer hooks exist. This function is called from
- * InitOutput() since it should be initialized only once per server
- * generation. */
-void dmxInitRender(void)
-{
- int i;
-
- for (i = 0; i < RenderNumberRequests; i++)
- dmxSaveRenderVector[i] = ProcRenderVector[i];
-
- ProcRenderVector[X_RenderCreateGlyphSet]
- = dmxProcRenderCreateGlyphSet;
- ProcRenderVector[X_RenderFreeGlyphSet]
- = dmxProcRenderFreeGlyphSet;
- ProcRenderVector[X_RenderAddGlyphs]
- = dmxProcRenderAddGlyphs;
- ProcRenderVector[X_RenderFreeGlyphs]
- = dmxProcRenderFreeGlyphs;
- ProcRenderVector[X_RenderCompositeGlyphs8]
- = dmxProcRenderCompositeGlyphs;
- ProcRenderVector[X_RenderCompositeGlyphs16]
- = dmxProcRenderCompositeGlyphs;
- ProcRenderVector[X_RenderCompositeGlyphs32]
- = dmxProcRenderCompositeGlyphs;
- ProcRenderVector[X_RenderSetPictureTransform]
- = dmxProcRenderSetPictureTransform;
- ProcRenderVector[X_RenderSetPictureFilter]
- = dmxProcRenderSetPictureFilter;
-}
-
-/** Reset the Proc Vector for the RENDER extension back to the original
- * functions. This function is called from dmxCloseScreen() during the
- * server reset (only for screen #0). */
-void dmxResetRender(void)
-{
- int i;
-
- for (i = 0; i < RenderNumberRequests; i++)
- ProcRenderVector[i] = dmxSaveRenderVector[i];
-}
-
-/** Initialize the RENDER extension, allocate the picture privates and
- * wrap mi function hooks. If the shadow frame buffer is used, then
- * call the appropriate fb initialization function. */
-Bool dmxPictureInit(ScreenPtr pScreen, PictFormatPtr formats, int nformats)
-{
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PictureScreenPtr ps;
-
- /* The shadow framebuffer only relies on FB to be initialized */
- if (dmxShadowFB) return fbPictureInit(pScreen, formats, nformats);
-
- if (!miPictureInit(pScreen, formats, nformats))
- return FALSE;
-
- if (!dixRegisterPrivateKey(&dmxPictPrivateKeyRec, PRIVATE_PICTURE, sizeof(dmxPictPrivRec)))
- return FALSE;
-
- ps = GetPictureScreen(pScreen);
-
- DMX_WRAP(CreatePicture, dmxCreatePicture, dmxScreen, ps);
- DMX_WRAP(DestroyPicture, dmxDestroyPicture, dmxScreen, ps);
-
- DMX_WRAP(ChangePictureClip, dmxChangePictureClip, dmxScreen, ps);
- DMX_WRAP(DestroyPictureClip, dmxDestroyPictureClip, dmxScreen, ps);
-
- DMX_WRAP(ChangePicture, dmxChangePicture, dmxScreen, ps);
- DMX_WRAP(ValidatePicture, dmxValidatePicture, dmxScreen, ps);
-
- DMX_WRAP(Composite, dmxComposite, dmxScreen, ps);
- DMX_WRAP(Glyphs, dmxGlyphs, dmxScreen, ps);
- DMX_WRAP(CompositeRects, dmxCompositeRects, dmxScreen, ps);
-
- DMX_WRAP(Trapezoids, dmxTrapezoids, dmxScreen, ps);
- DMX_WRAP(Triangles, dmxTriangles, dmxScreen, ps);
-
- return TRUE;
-}
-
-
-/** Find the appropriate format on the requested screen given the
- * internal format requested. The list of formats is searched
- * sequentially as the XRenderFindFormat() function does not always
- * find the appropriate format when a specific format is requested. */
-static XRenderPictFormat *dmxFindFormat(DMXScreenInfo *dmxScreen,
- PictFormatPtr pFmt)
-{
- XRenderPictFormat *pFormat = NULL;
- int i = 0;
-
- if (!pFmt || !dmxScreen->beDisplay) return pFormat;
-
- while (1) {
- pFormat = XRenderFindFormat(dmxScreen->beDisplay, 0, 0, i++);
- if (!pFormat) break;
-
- if (pFormat->type != pFmt->type) continue;
- if (pFormat->depth != pFmt->depth) continue;
- if (pFormat->direct.red != pFmt->direct.red) continue;
- if (pFormat->direct.redMask != pFmt->direct.redMask) continue;
- if (pFormat->direct.green != pFmt->direct.green) continue;
- if (pFormat->direct.greenMask != pFmt->direct.greenMask) continue;
- if (pFormat->direct.blue != pFmt->direct.blue) continue;
- if (pFormat->direct.blueMask != pFmt->direct.blueMask) continue;
- if (pFormat->direct.alpha != pFmt->direct.alpha) continue;
- if (pFormat->direct.alphaMask != pFmt->direct.alphaMask) continue;
-
- /* We have a match! */
- break;
- }
-
- return pFormat;
-}
-
-/** 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;
-}
-
-/** 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;
-}
-
-/** Create a Glyph Set on each screen. Save the glyphset ID from each
- * screen in the Glyph Set's private structure. Fail if the format
- * requested is not available or if the Glyph Set cannot be created on
- * the screen. */
-static int dmxProcRenderCreateGlyphSet(ClientPtr client)
-{
- int ret;
- REQUEST(xRenderCreateGlyphSetReq);
-
- ret = dmxSaveRenderVector[stuff->renderReqType](client);
-
- if (ret == Success) {
- GlyphSetPtr glyphSet;
- dmxGlyphPrivPtr glyphPriv;
- int i;
-
- /* Look up glyphSet that was just created ???? */
- /* Store glyphsets from backends in glyphSet->devPrivate ????? */
- /* Make sure we handle all errors here!! */
-
- dixLookupResourceByType((pointer*) &glyphSet,
- stuff->gsid, GlyphSetType,
- client, DixDestroyAccess);
-
- glyphPriv = malloc(sizeof(dmxGlyphPrivRec));
- if (!glyphPriv) return BadAlloc;
- glyphPriv->glyphSets = NULL;
- MAXSCREENSALLOC_RETURN(glyphPriv->glyphSets, BadAlloc);
- DMX_SET_GLYPH_PRIV(glyphSet, glyphPriv);
-
- for (i = 0; i < dmxNumScreens; i++) {
- DMXScreenInfo *dmxScreen = &dmxScreens[i];
- int beret;
-
- if (!dmxScreen->beDisplay) {
- glyphPriv->glyphSets[i] = 0;
- continue;
- }
-
- if ((beret = dmxBECreateGlyphSet(i, glyphSet)) != Success) {
- int j;
-
- /* Free the glyph sets we've allocated thus far */
- for (j = 0; j < i; j++)
- dmxBEFreeGlyphSet(screenInfo.screens[j], glyphSet);
-
- /* Free the resource created by render */
- FreeResource(stuff->gsid, RT_NONE);
-
- return beret;
- }
- }
- }
-
- return ret;
-}
-
-/** 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);
-}
-
-/** 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 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;
-}
-
-/** Set the picture transform on each screen. */
-static int dmxProcRenderSetPictureTransform(ClientPtr client)
-{
- DMXScreenInfo *dmxScreen;
- PicturePtr pPicture;
- dmxPictPrivPtr pPictPriv;
- XTransform xform;
- REQUEST(xRenderSetPictureTransformReq);
-
- REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq);
- VERIFY_PICTURE(pPicture, stuff->picture, client, DixWriteAccess);
-
- /* For the following to work with PanoramiX, it assumes that Render
- * wraps the ProcRenderVector after dmxRenderInit has been called.
- */
- dmxScreen = &dmxScreens[pPicture->pDrawable->pScreen->myNum];
- pPictPriv = DMX_GET_PICT_PRIV(pPicture);
-
- if (pPictPriv->pict) {
- xform.matrix[0][0] = stuff->transform.matrix11;
- xform.matrix[0][1] = stuff->transform.matrix12;
- xform.matrix[0][2] = stuff->transform.matrix13;
- xform.matrix[1][0] = stuff->transform.matrix21;
- xform.matrix[1][1] = stuff->transform.matrix22;
- xform.matrix[1][2] = stuff->transform.matrix23;
- xform.matrix[2][0] = stuff->transform.matrix31;
- xform.matrix[2][1] = stuff->transform.matrix32;
- xform.matrix[2][2] = stuff->transform.matrix33;
-
- XRenderSetPictureTransform(dmxScreen->beDisplay,
- pPictPriv->pict,
- &xform);
- dmxSync(dmxScreen, FALSE);
- }
-
- return dmxSaveRenderVector[stuff->renderReqType](client);
-}
-
-/** Set the picture filter on each screen. */
-static int dmxProcRenderSetPictureFilter(ClientPtr client)
-{
- DMXScreenInfo *dmxScreen;
- PicturePtr pPicture;
- dmxPictPrivPtr pPictPriv;
- char *filter;
- XFixed *params;
- int nparams;
- REQUEST(xRenderSetPictureFilterReq);
-
- REQUEST_AT_LEAST_SIZE(xRenderSetPictureFilterReq);
- VERIFY_PICTURE(pPicture, stuff->picture, client, DixWriteAccess);
-
- /* For the following to work with PanoramiX, it assumes that Render
- * wraps the ProcRenderVector after dmxRenderInit has been called.
- */
- dmxScreen = &dmxScreens[pPicture->pDrawable->pScreen->myNum];
- pPictPriv = DMX_GET_PICT_PRIV(pPicture);
-
- if (pPictPriv->pict) {
- filter = (char *)(stuff + 1);
- params = (XFixed *)(filter + ((stuff->nbytes + 3) & ~3));
- nparams = ((XFixed *)stuff + client->req_len) - params;
-
- XRenderSetPictureFilter(dmxScreen->beDisplay,
- pPictPriv->pict,
- filter,
- params,
- nparams);
- dmxSync(dmxScreen, FALSE);
- }
-
- return dmxSaveRenderVector[stuff->renderReqType](client);
-}
-
-
-/** Create a picture on the appropriate screen. This is the actual
- * function that creates the picture. However, if the associated
- * window has not yet been created due to lazy window creation, then
- * delay the picture creation until the window is mapped. */
-static Picture dmxDoCreatePicture(PicturePtr pPicture)
-{
- DrawablePtr pDraw = pPicture->pDrawable;
- ScreenPtr pScreen = pDraw->pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- XRenderPictFormat *pFormat;
- Drawable draw;
-
- if (pPicture->pDrawable->type == DRAWABLE_WINDOW) {
- dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV((WindowPtr)(pDraw));
-
- if (!(draw = pWinPriv->window)) {
- /* Window has not been created yet due to the window
- * optimization. Delay picture creation until window is
- * mapped.
- */
- pWinPriv->hasPict = TRUE;
- return 0;
- }
- } else {
- dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV((PixmapPtr)(pDraw));
-
- if (!(draw = pPixPriv->pixmap)) {
- /* FIXME: Zero width/height pixmap?? */
- return 0;
- }
- }
-
- /* This should not be reached if the back-end display has been
- * detached because the pWinPriv->window or the pPixPriv->pixmap
- * will be NULL; however, we add it here for completeness
- */
- if (!dmxScreen->beDisplay)
- return 0;
-
- pFormat = dmxFindFormat(dmxScreen, pPicture->pFormat);
-
- return XRenderCreatePicture(dmxScreen->beDisplay, draw, pFormat, 0, 0);
-}
-
-/** Create a list of pictures. This function is called by
- * dmxCreateAndRealizeWindow() during the lazy window creation
- * realization process. It creates the entire list of pictures that
- * are associated with the given window. */
-void dmxCreatePictureList(WindowPtr pWindow)
-{
- PicturePtr pPicture = GetPictureWindow(pWindow);
-
- while (pPicture) {
- dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
-
- /* Create the picture for this window */
- pPictPriv->pict = dmxDoCreatePicture(pPicture);
-
- /* ValidatePicture takes care of the state changes */
-
- pPicture = pPicture->pNext;
- }
-}
-
-/** Create \a pPicture on the backend. */
-int dmxBECreatePicture(PicturePtr pPicture)
-{
- dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
-
- /* Create picutre on BE */
- pPictPriv->pict = dmxDoCreatePicture(pPicture);
-
- /* Flush changes to the backend server */
- dmxValidatePicture(pPicture, (1 << (CPLastBit+1)) - 1);
-
- return Success;
-}
-
-/** Create a picture. This function handles the CreatePicture
- * unwrapping/wrapping and calls dmxDoCreatePicture to actually create
- * the picture on the appropriate screen. */
-int dmxCreatePicture(PicturePtr pPicture)
-{
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
- int ret = Success;
-
- DMX_UNWRAP(CreatePicture, dmxScreen, ps);
-#if 1
- if (ps->CreatePicture)
- ret = ps->CreatePicture(pPicture);
-#endif
-
- /* Create picture on back-end server */
- pPictPriv->pict = dmxDoCreatePicture(pPicture);
- pPictPriv->savedMask = 0;
-
- DMX_WRAP(CreatePicture, dmxCreatePicture, dmxScreen, ps);
-
- return ret;
-}
-
-/** Destroy \a pPicture on the back-end server. */
-Bool dmxBEFreePicture(PicturePtr pPicture)
-{
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
-
- if (pPictPriv->pict) {
- XRenderFreePicture(dmxScreen->beDisplay, pPictPriv->pict);
- pPictPriv->pict = (Picture)0;
- return TRUE;
- }
-
- return FALSE;
-}
-
-/** Destroy a list of pictures that are associated with the window that
- * is being destroyed. This function is called by #dmxDestroyWindow().
- * */
-Bool dmxDestroyPictureList(WindowPtr pWindow)
-{
- PicturePtr pPicture = GetPictureWindow(pWindow);
- Bool ret = FALSE;
-
- while (pPicture) {
- ret |= dmxBEFreePicture(pPicture);
- pPicture = pPicture->pNext;
- }
-
- return ret;
-}
-
-/** Destroy a picture. This function calls the wrapped function that
- * frees the resources in the DMX server associated with this
- * picture. */
-void dmxDestroyPicture(PicturePtr pPicture)
-{
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PictureScreenPtr ps = GetPictureScreen(pScreen);
-
- DMX_UNWRAP(DestroyPicture, dmxScreen, ps);
-
- /* Destroy picture on back-end server */
- if (dmxBEFreePicture(pPicture))
- dmxSync(dmxScreen, FALSE);
-
-#if 1
- if (ps->DestroyPicture)
- ps->DestroyPicture(pPicture);
-#endif
- DMX_WRAP(DestroyPicture, dmxDestroyPicture, dmxScreen, ps);
-}
-
-/** Change the picture's list of clip rectangles. */
-int dmxChangePictureClip(PicturePtr pPicture, int clipType,
- pointer value, int n)
-{
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
-
- DMX_UNWRAP(ChangePictureClip, dmxScreen, ps);
-#if 1
- if (ps->ChangePictureClip)
- ps->ChangePictureClip(pPicture, clipType, value, n);
-#endif
-
- /* Change picture clip rects on back-end server */
- if (pPictPriv->pict) {
- /* The clip has already been changed into a region by the mi
- * routine called above.
- */
- if (clipType == CT_NONE) {
- /* Disable clipping, show all */
- XFixesSetPictureClipRegion(dmxScreen->beDisplay,
- pPictPriv->pict, 0, 0, None);
- } else if (pPicture->clientClip) {
- RegionPtr pClip = pPicture->clientClip;
- BoxPtr pBox = RegionRects(pClip);
- int nBox = RegionNumRects(pClip);
- XRectangle *pRects;
- XRectangle *pRect;
- int nRects;
-
- nRects = nBox;
- pRects = pRect = malloc(nRects * sizeof(*pRect));
-
- while (nBox--) {
- pRect->x = pBox->x1;
- pRect->y = pBox->y1;
- pRect->width = pBox->x2 - pBox->x1;
- pRect->height = pBox->y2 - pBox->y1;
- pBox++;
- pRect++;
- }
-
- XRenderSetPictureClipRectangles(dmxScreen->beDisplay,
- pPictPriv->pict,
- 0, 0,
- pRects,
- nRects);
- free(pRects);
- } else {
- XRenderSetPictureClipRectangles(dmxScreen->beDisplay,
- pPictPriv->pict,
- 0, 0, NULL, 0);
- }
- dmxSync(dmxScreen, FALSE);
- } else {
- /* FIXME: Handle saving clip region when offscreen */
- }
-
- DMX_WRAP(ChangePictureClip, dmxChangePictureClip, dmxScreen, ps);
-
- return Success;
-}
-
-/** Destroy the picture's list of clip rectangles. */
-void dmxDestroyPictureClip(PicturePtr pPicture)
-{
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
-
- DMX_UNWRAP(DestroyPictureClip, dmxScreen, ps);
-#if 1
- if (ps->DestroyPictureClip)
- ps->DestroyPictureClip(pPicture);
-#endif
-
- /* Destroy picture clip rects on back-end server */
- if (pPictPriv->pict) {
- XRenderSetPictureClipRectangles(dmxScreen->beDisplay,
- pPictPriv->pict,
- 0, 0, NULL, 0);
- dmxSync(dmxScreen, FALSE);
- } else {
- /* FIXME: Handle destroying clip region when offscreen */
- }
-
- DMX_WRAP(DestroyPictureClip, dmxDestroyPictureClip, dmxScreen, ps);
-}
-
-/** Change the attributes of the pictures. If the picture has not yet
- * been created due to lazy window creation, save the mask so that it
- * can be used to appropriately initialize the picture's attributes
- * when it is created later. */
-void dmxChangePicture(PicturePtr pPicture, Mask mask)
-{
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
-
- DMX_UNWRAP(ChangePicture, dmxScreen, ps);
-#if 1
- if (ps->ChangePicture)
- ps->ChangePicture(pPicture, mask);
-#endif
-
- /* Picture attribute changes are handled in ValidatePicture */
- pPictPriv->savedMask |= mask;
-
- DMX_WRAP(ChangePicture, dmxChangePicture, dmxScreen, ps);
-}
-
-/** Validate the picture's attributes before rendering to it. Update
- * any picture attributes that have been changed by one of the higher
- * layers. */
-void dmxValidatePicture(PicturePtr pPicture, Mask mask)
-{
- ScreenPtr pScreen = pPicture->pDrawable->pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
-
- DMX_UNWRAP(ValidatePicture, dmxScreen, ps);
-
- /* Change picture attributes on back-end server */
- if (pPictPriv->pict) {
- XRenderPictureAttributes attribs;
-
- if (mask & CPRepeat) {
- attribs.repeat = pPicture->repeatType;
- }
- if (mask & CPAlphaMap) {
- if (pPicture->alphaMap) {
- dmxPictPrivPtr pAlphaPriv;
- pAlphaPriv = DMX_GET_PICT_PRIV(pPicture->alphaMap);
- if (pAlphaPriv->pict) {
- attribs.alpha_map = pAlphaPriv->pict;
- } else {
- /* FIXME: alpha picture drawable has not been created?? */
- return; /* or should this be: attribs.alpha_map = None; */
- }
- } else {
- attribs.alpha_map = None;
- }
- }
- if (mask & CPAlphaXOrigin)
- attribs.alpha_x_origin = pPicture->alphaOrigin.x;
- if (mask & CPAlphaYOrigin)
- attribs.alpha_y_origin = pPicture->alphaOrigin.y;
- if (mask & CPClipXOrigin)
- attribs.clip_x_origin = pPicture->clipOrigin.x;
- if (mask & CPClipYOrigin)
- attribs.clip_y_origin = pPicture->clipOrigin.y;
- if (mask & CPClipMask)
- mask &= ~CPClipMask; /* Handled in ChangePictureClip */
- if (mask & CPGraphicsExposure)
- attribs.graphics_exposures = pPicture->graphicsExposures;
- if (mask & CPSubwindowMode)
- attribs.subwindow_mode = pPicture->subWindowMode;
- if (mask & CPPolyEdge)
- attribs.poly_edge = pPicture->polyEdge;
- if (mask & CPPolyMode)
- attribs.poly_mode = pPicture->polyMode;
- if (mask & CPComponentAlpha)
- attribs.component_alpha = pPicture->componentAlpha;
-
- XRenderChangePicture(dmxScreen->beDisplay, pPictPriv->pict,
- mask, &attribs);
- dmxSync(dmxScreen, FALSE);
- } else {
- pPictPriv->savedMask |= mask;
- }
-
-#if 1
- if (ps->ValidatePicture)
- ps->ValidatePicture(pPicture, mask);
-#endif
-
- DMX_WRAP(ValidatePicture, dmxValidatePicture, dmxScreen, ps);
-}
-
-/** Composite a picture on the appropriate screen by combining the
- * specified rectangle of the transformed src and mask operands with
- * the specified rectangle of the dst using op as the compositing
- * operator. For a complete description see the protocol document of
- * the RENDER library. */
-void dmxComposite(CARD8 op,
- PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
- INT16 xSrc, INT16 ySrc,
- INT16 xMask, INT16 yMask,
- INT16 xDst, INT16 yDst,
- CARD16 width, CARD16 height)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
- dmxPictPrivPtr pMaskPriv = NULL;
- dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst);
-
- if (pMask) pMaskPriv = DMX_GET_PICT_PRIV(pMask);
-
- DMX_UNWRAP(Composite, dmxScreen, ps);
-#if 0
- if (ps->Composite)
- ps->Composite(op, pSrc, pMask, pDst,
- xSrc, ySrc, xMask, yMask, xDst, yDst,
- width, height);
-#endif
-
- /* Composite on back-end server */
- if (pSrcPriv->pict && pDstPriv->pict &&
- ((pMaskPriv && pMaskPriv->pict) || !pMaskPriv)) {
- XRenderComposite(dmxScreen->beDisplay,
- op,
- pSrcPriv->pict,
- pMaskPriv ? pMaskPriv->pict : None,
- pDstPriv->pict,
- xSrc, ySrc,
- xMask, yMask,
- xDst, yDst,
- width, height);
- dmxSync(dmxScreen, FALSE);
- }
-
-
- DMX_WRAP(Composite, dmxComposite, dmxScreen, ps);
-}
-
-/** Null function to catch when/if RENDER calls lower level mi hooks.
- * Compositing glyphs is handled by dmxProcRenderCompositeGlyphs().
- * This function should never be called. */
-void dmxGlyphs(CARD8 op,
- PicturePtr pSrc, PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc, INT16 ySrc,
- int nlists, GlyphListPtr lists, GlyphPtr *glyphs)
-{
- /* This won't work, so we need to wrap ProcRenderCompositeGlyphs */
-}
-
-/** Fill a rectangle on the appropriate screen by combining the color
- * with the dest picture in the area specified by the list of
- * rectangles. For a complete description see the protocol document of
- * the RENDER library. */
-void dmxCompositeRects(CARD8 op,
- PicturePtr pDst,
- xRenderColor *color,
- int nRect, xRectangle *rects)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pDst);
-
- DMX_UNWRAP(CompositeRects, dmxScreen, ps);
-#if 0
- if (ps->CompositeRects)
- ps->CompositeRects(op, pDst, color, nRect, rects);
-#endif
-
- /* CompositeRects on back-end server */
- if (pPictPriv->pict) {
- XRenderFillRectangles(dmxScreen->beDisplay,
- op,
- pPictPriv->pict,
- (XRenderColor *)color,
- (XRectangle *)rects,
- nRect);
- dmxSync(dmxScreen, FALSE);
- }
-
- DMX_WRAP(CompositeRects, dmxCompositeRects, dmxScreen, ps);
-}
-
-/** Indexed color visuals are not yet supported. */
-Bool dmxInitIndexed(ScreenPtr pScreen, PictFormatPtr pFormat)
-{
- return TRUE;
-}
-
-/** Indexed color visuals are not yet supported. */
-void dmxCloseIndexed(ScreenPtr pScreen, PictFormatPtr pFormat)
-{
-}
-
-/** Indexed color visuals are not yet supported. */
-void dmxUpdateIndexed(ScreenPtr pScreen, PictFormatPtr pFormat,
- int ndef, xColorItem *pdef)
-{
-}
-
-/** Composite a list of trapezoids on the appropriate screen. For a
- * complete description see the protocol document of the RENDER
- * library. */
-void dmxTrapezoids(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc, INT16 ySrc,
- int ntrap, xTrapezoid *traps)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
- dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst);
-
- DMX_UNWRAP(Trapezoids, dmxScreen, ps);
-#if 0
- if (ps->Trapezoids)
- ps->Trapezoids(op, pSrc, pDst, maskFormat, xSrc, ySrc, ntrap, *traps);
-#endif
-
- /* Draw trapezoids on back-end server */
- if (pDstPriv->pict) {
- XRenderPictFormat *pFormat;
-
- pFormat = dmxFindFormat(dmxScreen, maskFormat);
- if (!pFormat) {
- /* FIXME: Error! */
- }
-
- XRenderCompositeTrapezoids(dmxScreen->beDisplay,
- op,
- pSrcPriv->pict,
- pDstPriv->pict,
- pFormat,
- xSrc, ySrc,
- (XTrapezoid *)traps,
- ntrap);
- dmxSync(dmxScreen, FALSE);
- }
-
- DMX_WRAP(Trapezoids, dmxTrapezoids, dmxScreen, ps);
-}
-
-/** Composite a list of triangles on the appropriate screen. For a
- * complete description see the protocol document of the RENDER
- * library. */
-void dmxTriangles(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
- PictFormatPtr maskFormat,
- INT16 xSrc, INT16 ySrc,
- int ntri, xTriangle *tris)
-{
- ScreenPtr pScreen = pDst->pDrawable->pScreen;
- DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
- PictureScreenPtr ps = GetPictureScreen(pScreen);
- dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
- dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst);
-
- DMX_UNWRAP(Triangles, dmxScreen, ps);
-#if 0
- if (ps->Triangles)
- ps->Triangles(op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, *tris);
-#endif
-
- /* Draw trapezoids on back-end server */
- if (pDstPriv->pict) {
- XRenderPictFormat *pFormat;
-
- pFormat = dmxFindFormat(dmxScreen, maskFormat);
- if (!pFormat) {
- /* FIXME: Error! */
- }
-
- XRenderCompositeTriangles(dmxScreen->beDisplay,
- op,
- pSrcPriv->pict,
- pDstPriv->pict,
- pFormat,
- xSrc, ySrc,
- (XTriangle *)tris,
- ntri);
- dmxSync(dmxScreen, FALSE);
- }
-
- DMX_WRAP(Triangles, dmxTriangles, dmxScreen, ps);
-}
+/*
+ * Copyright 2001-2004 Red Hat Inc., Durham, North Carolina.
+ *
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation on the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * Authors:
+ * Kevin E. Martin <kem@redhat.com>
+ *
+ */
+
+/** \file
+ * Provide support for the RENDER extension (version 0.8).
+ */
+
+#ifdef HAVE_DMX_CONFIG_H
+#include <dmx-config.h>
+#endif
+
+#include "dmx.h"
+#include "dmxsync.h"
+#include "dmxpict.h"
+#include "dmxwindow.h"
+#include "dmxpixmap.h"
+
+#include "fb.h"
+#include "pixmapstr.h"
+#include "dixstruct.h"
+
+#include <X11/extensions/render.h>
+#include <X11/extensions/renderproto.h>
+#include <X11/extensions/Xfixes.h>
+#include "picture.h"
+#include "picturestr.h"
+#include "mipict.h"
+#include "fbpict.h"
+
+extern int RenderErrBase;
+extern int (*ProcRenderVector[RenderNumberRequests]) (ClientPtr);
+
+static int (*dmxSaveRenderVector[RenderNumberRequests]) (ClientPtr);
+
+static int dmxProcRenderCreateGlyphSet(ClientPtr client);
+static int dmxProcRenderFreeGlyphSet(ClientPtr client);
+static int dmxProcRenderAddGlyphs(ClientPtr client);
+static int dmxProcRenderFreeGlyphs(ClientPtr client);
+static int dmxProcRenderCompositeGlyphs(ClientPtr client);
+static int dmxProcRenderSetPictureTransform(ClientPtr client);
+static int dmxProcRenderSetPictureFilter(ClientPtr client);
+
+#if 0
+/* FIXME: Not (yet) supported */
+static int dmxProcRenderCreateCursor(ClientPtr client);
+static int dmxProcRenderCreateAnimCursor(ClientPtr client);
+#endif
+
+/** Catch errors that might occur when allocating Glyph Sets. Errors
+ * are saved in dmxGlyphLastError for later handling. */
+static int dmxGlyphLastError;
+static int
+dmxGlyphErrorHandler(Display * dpy, XErrorEvent * ev)
+{
+ dmxGlyphLastError = ev->error_code;
+ return 0;
+}
+
+/** Initialize the Proc Vector for the RENDER extension. The functions
+ * here cannot be handled by the mi layer RENDER hooks either because
+ * the required information is no longer available when it reaches the
+ * mi layer or no mi layer hooks exist. This function is called from
+ * InitOutput() since it should be initialized only once per server
+ * generation. */
+void
+dmxInitRender(void)
+{
+ int i;
+
+ for (i = 0; i < RenderNumberRequests; i++)
+ dmxSaveRenderVector[i] = ProcRenderVector[i];
+
+ ProcRenderVector[X_RenderCreateGlyphSet]
+ = dmxProcRenderCreateGlyphSet;
+ ProcRenderVector[X_RenderFreeGlyphSet]
+ = dmxProcRenderFreeGlyphSet;
+ ProcRenderVector[X_RenderAddGlyphs]
+ = dmxProcRenderAddGlyphs;
+ ProcRenderVector[X_RenderFreeGlyphs]
+ = dmxProcRenderFreeGlyphs;
+ ProcRenderVector[X_RenderCompositeGlyphs8]
+ = dmxProcRenderCompositeGlyphs;
+ ProcRenderVector[X_RenderCompositeGlyphs16]
+ = dmxProcRenderCompositeGlyphs;
+ ProcRenderVector[X_RenderCompositeGlyphs32]
+ = dmxProcRenderCompositeGlyphs;
+ ProcRenderVector[X_RenderSetPictureTransform]
+ = dmxProcRenderSetPictureTransform;
+ ProcRenderVector[X_RenderSetPictureFilter]
+ = dmxProcRenderSetPictureFilter;
+}
+
+/** Reset the Proc Vector for the RENDER extension back to the original
+ * functions. This function is called from dmxCloseScreen() during the
+ * server reset (only for screen #0). */
+void
+dmxResetRender(void)
+{
+ int i;
+
+ for (i = 0; i < RenderNumberRequests; i++)
+ ProcRenderVector[i] = dmxSaveRenderVector[i];
+}
+
+/** Initialize the RENDER extension, allocate the picture privates and
+ * wrap mi function hooks. If the shadow frame buffer is used, then
+ * call the appropriate fb initialization function. */
+Bool
+dmxPictureInit(ScreenPtr pScreen, PictFormatPtr formats, int nformats)
+{
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ PictureScreenPtr ps;
+
+ /* The shadow framebuffer only relies on FB to be initialized */
+ if (dmxShadowFB)
+ return fbPictureInit(pScreen, formats, nformats);
+
+ if (!miPictureInit(pScreen, formats, nformats))
+ return FALSE;
+
+ if (!dixRegisterPrivateKey
+ (&dmxPictPrivateKeyRec, PRIVATE_PICTURE, sizeof(dmxPictPrivRec)))
+ return FALSE;
+
+ ps = GetPictureScreen(pScreen);
+
+ DMX_WRAP(CreatePicture, dmxCreatePicture, dmxScreen, ps);
+ DMX_WRAP(DestroyPicture, dmxDestroyPicture, dmxScreen, ps);
+
+ DMX_WRAP(ChangePictureClip, dmxChangePictureClip, dmxScreen, ps);
+ DMX_WRAP(DestroyPictureClip, dmxDestroyPictureClip, dmxScreen, ps);
+
+ DMX_WRAP(ChangePicture, dmxChangePicture, dmxScreen, ps);
+ DMX_WRAP(ValidatePicture, dmxValidatePicture, dmxScreen, ps);
+
+ DMX_WRAP(Composite, dmxComposite, dmxScreen, ps);
+ DMX_WRAP(Glyphs, dmxGlyphs, dmxScreen, ps);
+ DMX_WRAP(CompositeRects, dmxCompositeRects, dmxScreen, ps);
+
+ DMX_WRAP(Trapezoids, dmxTrapezoids, dmxScreen, ps);
+ DMX_WRAP(Triangles, dmxTriangles, dmxScreen, ps);
+
+ return TRUE;
+}
+
+/** Find the appropriate format on the requested screen given the
+ * internal format requested. The list of formats is searched
+ * sequentially as the XRenderFindFormat() function does not always
+ * find the appropriate format when a specific format is requested. */
+static XRenderPictFormat *
+dmxFindFormat(DMXScreenInfo * dmxScreen, PictFormatPtr pFmt)
+{
+ XRenderPictFormat *pFormat = NULL;
+ int i = 0;
+
+ if (!pFmt || !dmxScreen->beDisplay)
+ return pFormat;
+
+ while (1) {
+ pFormat = XRenderFindFormat(dmxScreen->beDisplay, 0, 0, i++);
+ if (!pFormat)
+ break;
+
+ if (pFormat->type != pFmt->type)
+ continue;
+ if (pFormat->depth != pFmt->depth)
+ continue;
+ if (pFormat->direct.red != pFmt->direct.red)
+ continue;
+ if (pFormat->direct.redMask != pFmt->direct.redMask)
+ continue;
+ if (pFormat->direct.green != pFmt->direct.green)
+ continue;
+ if (pFormat->direct.greenMask != pFmt->direct.greenMask)
+ continue;
+ if (pFormat->direct.blue != pFmt->direct.blue)
+ continue;
+ if (pFormat->direct.blueMask != pFmt->direct.blueMask)
+ continue;
+ if (pFormat->direct.alpha != pFmt->direct.alpha)
+ continue;
+ if (pFormat->direct.alphaMask != pFmt->direct.alphaMask)
+ continue;
+
+ /* We have a match! */
+ break;
+ }
+
+ return pFormat;
+}
+
+/** 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;
+}
+
+/** 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;
+}
+
+/** Create a Glyph Set on each screen. Save the glyphset ID from each
+ * screen in the Glyph Set's private structure. Fail if the format
+ * requested is not available or if the Glyph Set cannot be created on
+ * the screen. */
+static int
+dmxProcRenderCreateGlyphSet(ClientPtr client)
+{
+ int ret;
+
+ REQUEST(xRenderCreateGlyphSetReq);
+
+ ret = dmxSaveRenderVector[stuff->renderReqType] (client);
+
+ if (ret == Success) {
+ GlyphSetPtr glyphSet;
+ dmxGlyphPrivPtr glyphPriv;
+ int i;
+
+ /* Look up glyphSet that was just created ???? */
+ /* Store glyphsets from backends in glyphSet->devPrivate ????? */
+ /* Make sure we handle all errors here!! */
+
+ dixLookupResourceByType((pointer *) &glyphSet,
+ stuff->gsid, GlyphSetType,
+ client, DixDestroyAccess);
+
+ glyphPriv = malloc(sizeof(dmxGlyphPrivRec));
+ if (!glyphPriv)
+ return BadAlloc;
+ glyphPriv->glyphSets = NULL;
+ MAXSCREENSALLOC_RETURN(glyphPriv->glyphSets, BadAlloc);
+ DMX_SET_GLYPH_PRIV(glyphSet, glyphPriv);
+
+ for (i = 0; i < dmxNumScreens; i++) {
+ DMXScreenInfo *dmxScreen = &dmxScreens[i];
+ int beret;
+
+ if (!dmxScreen->beDisplay) {
+ glyphPriv->glyphSets[i] = 0;
+ continue;
+ }
+
+ if ((beret = dmxBECreateGlyphSet(i, glyphSet)) != Success) {
+ int j;
+
+ /* Free the glyph sets we've allocated thus far */
+ for (j = 0; j < i; j++)
+ dmxBEFreeGlyphSet(screenInfo.screens[j], glyphSet);
+
+ /* Free the resource created by render */
+ FreeResource(stuff->gsid, RT_NONE);
+
+ return beret;
+ }
+ }
+ }
+
+ return ret;
+}
+
+/** 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);
+}
+
+/** 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 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;
+}
+
+/** Set the picture transform on each screen. */
+static int
+dmxProcRenderSetPictureTransform(ClientPtr client)
+{
+ DMXScreenInfo *dmxScreen;
+ PicturePtr pPicture;
+ dmxPictPrivPtr pPictPriv;
+ XTransform xform;
+
+ REQUEST(xRenderSetPictureTransformReq);
+
+ REQUEST_SIZE_MATCH(xRenderSetPictureTransformReq);
+ VERIFY_PICTURE(pPicture, stuff->picture, client, DixWriteAccess);
+
+ /* For the following to work with PanoramiX, it assumes that Render
+ * wraps the ProcRenderVector after dmxRenderInit has been called.
+ */
+ dmxScreen = &dmxScreens[pPicture->pDrawable->pScreen->myNum];
+ pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+ if (pPictPriv->pict) {
+ xform.matrix[0][0] = stuff->transform.matrix11;
+ xform.matrix[0][1] = stuff->transform.matrix12;
+ xform.matrix[0][2] = stuff->transform.matrix13;
+ xform.matrix[1][0] = stuff->transform.matrix21;
+ xform.matrix[1][1] = stuff->transform.matrix22;
+ xform.matrix[1][2] = stuff->transform.matrix23;
+ xform.matrix[2][0] = stuff->transform.matrix31;
+ xform.matrix[2][1] = stuff->transform.matrix32;
+ xform.matrix[2][2] = stuff->transform.matrix33;
+
+ XRenderSetPictureTransform(dmxScreen->beDisplay,
+ pPictPriv->pict, &xform);
+ dmxSync(dmxScreen, FALSE);
+ }
+
+ return dmxSaveRenderVector[stuff->renderReqType] (client);
+}
+
+/** Set the picture filter on each screen. */
+static int
+dmxProcRenderSetPictureFilter(ClientPtr client)
+{
+ DMXScreenInfo *dmxScreen;
+ PicturePtr pPicture;
+ dmxPictPrivPtr pPictPriv;
+ char *filter;
+ XFixed *params;
+ int nparams;
+
+ REQUEST(xRenderSetPictureFilterReq);
+
+ REQUEST_AT_LEAST_SIZE(xRenderSetPictureFilterReq);
+ VERIFY_PICTURE(pPicture, stuff->picture, client, DixWriteAccess);
+
+ /* For the following to work with PanoramiX, it assumes that Render
+ * wraps the ProcRenderVector after dmxRenderInit has been called.
+ */
+ dmxScreen = &dmxScreens[pPicture->pDrawable->pScreen->myNum];
+ pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+ if (pPictPriv->pict) {
+ filter = (char *) (stuff + 1);
+ params = (XFixed *) (filter + ((stuff->nbytes + 3) & ~3));
+ nparams = ((XFixed *) stuff + client->req_len) - params;
+
+ XRenderSetPictureFilter(dmxScreen->beDisplay,
+ pPictPriv->pict, filter, params, nparams);
+ dmxSync(dmxScreen, FALSE);
+ }
+
+ return dmxSaveRenderVector[stuff->renderReqType] (client);
+}
+
+/** Create a picture on the appropriate screen. This is the actual
+ * function that creates the picture. However, if the associated
+ * window has not yet been created due to lazy window creation, then
+ * delay the picture creation until the window is mapped. */
+static Picture
+dmxDoCreatePicture(PicturePtr pPicture)
+{
+ DrawablePtr pDraw = pPicture->pDrawable;
+ ScreenPtr pScreen = pDraw->pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ XRenderPictFormat *pFormat;
+ Drawable draw;
+
+ if (pPicture->pDrawable->type == DRAWABLE_WINDOW) {
+ dmxWinPrivPtr pWinPriv = DMX_GET_WINDOW_PRIV((WindowPtr) (pDraw));
+
+ if (!(draw = pWinPriv->window)) {
+ /* Window has not been created yet due to the window
+ * optimization. Delay picture creation until window is
+ * mapped.
+ */
+ pWinPriv->hasPict = TRUE;
+ return 0;
+ }
+ }
+ else {
+ dmxPixPrivPtr pPixPriv = DMX_GET_PIXMAP_PRIV((PixmapPtr) (pDraw));
+
+ if (!(draw = pPixPriv->pixmap)) {
+ /* FIXME: Zero width/height pixmap?? */
+ return 0;
+ }
+ }
+
+ /* This should not be reached if the back-end display has been
+ * detached because the pWinPriv->window or the pPixPriv->pixmap
+ * will be NULL; however, we add it here for completeness
+ */
+ if (!dmxScreen->beDisplay)
+ return 0;
+
+ pFormat = dmxFindFormat(dmxScreen, pPicture->pFormat);
+
+ return XRenderCreatePicture(dmxScreen->beDisplay, draw, pFormat, 0, 0);
+}
+
+/** Create a list of pictures. This function is called by
+ * dmxCreateAndRealizeWindow() during the lazy window creation
+ * realization process. It creates the entire list of pictures that
+ * are associated with the given window. */
+void
+dmxCreatePictureList(WindowPtr pWindow)
+{
+ PicturePtr pPicture = GetPictureWindow(pWindow);
+
+ while (pPicture) {
+ dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+ /* Create the picture for this window */
+ pPictPriv->pict = dmxDoCreatePicture(pPicture);
+
+ /* ValidatePicture takes care of the state changes */
+
+ pPicture = pPicture->pNext;
+ }
+}
+
+/** Create \a pPicture on the backend. */
+int
+dmxBECreatePicture(PicturePtr pPicture)
+{
+ dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+ /* Create picutre on BE */
+ pPictPriv->pict = dmxDoCreatePicture(pPicture);
+
+ /* Flush changes to the backend server */
+ dmxValidatePicture(pPicture, (1 << (CPLastBit + 1)) - 1);
+
+ return Success;
+}
+
+/** Create a picture. This function handles the CreatePicture
+ * unwrapping/wrapping and calls dmxDoCreatePicture to actually create
+ * the picture on the appropriate screen. */
+int
+dmxCreatePicture(PicturePtr pPicture)
+{
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+ int ret = Success;
+
+ DMX_UNWRAP(CreatePicture, dmxScreen, ps);
+#if 1
+ if (ps->CreatePicture)
+ ret = ps->CreatePicture(pPicture);
+#endif
+
+ /* Create picture on back-end server */
+ pPictPriv->pict = dmxDoCreatePicture(pPicture);
+ pPictPriv->savedMask = 0;
+
+ DMX_WRAP(CreatePicture, dmxCreatePicture, dmxScreen, ps);
+
+ return ret;
+}
+
+/** Destroy \a pPicture on the back-end server. */
+Bool
+dmxBEFreePicture(PicturePtr pPicture)
+{
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+ if (pPictPriv->pict) {
+ XRenderFreePicture(dmxScreen->beDisplay, pPictPriv->pict);
+ pPictPriv->pict = (Picture) 0;
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/** Destroy a list of pictures that are associated with the window that
+ * is being destroyed. This function is called by #dmxDestroyWindow().
+ * */
+Bool
+dmxDestroyPictureList(WindowPtr pWindow)
+{
+ PicturePtr pPicture = GetPictureWindow(pWindow);
+ Bool ret = FALSE;
+
+ while (pPicture) {
+ ret |= dmxBEFreePicture(pPicture);
+ pPicture = pPicture->pNext;
+ }
+
+ return ret;
+}
+
+/** Destroy a picture. This function calls the wrapped function that
+ * frees the resources in the DMX server associated with this
+ * picture. */
+void
+dmxDestroyPicture(PicturePtr pPicture)
+{
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+
+ DMX_UNWRAP(DestroyPicture, dmxScreen, ps);
+
+ /* Destroy picture on back-end server */
+ if (dmxBEFreePicture(pPicture))
+ dmxSync(dmxScreen, FALSE);
+
+#if 1
+ if (ps->DestroyPicture)
+ ps->DestroyPicture(pPicture);
+#endif
+ DMX_WRAP(DestroyPicture, dmxDestroyPicture, dmxScreen, ps);
+}
+
+/** Change the picture's list of clip rectangles. */
+int
+dmxChangePictureClip(PicturePtr pPicture, int clipType, pointer value, int n)
+{
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+ DMX_UNWRAP(ChangePictureClip, dmxScreen, ps);
+#if 1
+ if (ps->ChangePictureClip)
+ ps->ChangePictureClip(pPicture, clipType, value, n);
+#endif
+
+ /* Change picture clip rects on back-end server */
+ if (pPictPriv->pict) {
+ /* The clip has already been changed into a region by the mi
+ * routine called above.
+ */
+ if (clipType == CT_NONE) {
+ /* Disable clipping, show all */
+ XFixesSetPictureClipRegion(dmxScreen->beDisplay,
+ pPictPriv->pict, 0, 0, None);
+ }
+ else if (pPicture->clientClip) {
+ RegionPtr pClip = pPicture->clientClip;
+ BoxPtr pBox = RegionRects(pClip);
+ int nBox = RegionNumRects(pClip);
+ XRectangle *pRects;
+ XRectangle *pRect;
+ int nRects;
+
+ nRects = nBox;
+ pRects = pRect = malloc(nRects * sizeof(*pRect));
+
+ while (nBox--) {
+ pRect->x = pBox->x1;
+ pRect->y = pBox->y1;
+ pRect->width = pBox->x2 - pBox->x1;
+ pRect->height = pBox->y2 - pBox->y1;
+ pBox++;
+ pRect++;
+ }
+
+ XRenderSetPictureClipRectangles(dmxScreen->beDisplay,
+ pPictPriv->pict,
+ 0, 0, pRects, nRects);
+ free(pRects);
+ }
+ else {
+ XRenderSetPictureClipRectangles(dmxScreen->beDisplay,
+ pPictPriv->pict, 0, 0, NULL, 0);
+ }
+ dmxSync(dmxScreen, FALSE);
+ }
+ else {
+ /* FIXME: Handle saving clip region when offscreen */
+ }
+
+ DMX_WRAP(ChangePictureClip, dmxChangePictureClip, dmxScreen, ps);
+
+ return Success;
+}
+
+/** Destroy the picture's list of clip rectangles. */
+void
+dmxDestroyPictureClip(PicturePtr pPicture)
+{
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+ DMX_UNWRAP(DestroyPictureClip, dmxScreen, ps);
+#if 1
+ if (ps->DestroyPictureClip)
+ ps->DestroyPictureClip(pPicture);
+#endif
+
+ /* Destroy picture clip rects on back-end server */
+ if (pPictPriv->pict) {
+ XRenderSetPictureClipRectangles(dmxScreen->beDisplay,
+ pPictPriv->pict, 0, 0, NULL, 0);
+ dmxSync(dmxScreen, FALSE);
+ }
+ else {
+ /* FIXME: Handle destroying clip region when offscreen */
+ }
+
+ DMX_WRAP(DestroyPictureClip, dmxDestroyPictureClip, dmxScreen, ps);
+}
+
+/** Change the attributes of the pictures. If the picture has not yet
+ * been created due to lazy window creation, save the mask so that it
+ * can be used to appropriately initialize the picture's attributes
+ * when it is created later. */
+void
+dmxChangePicture(PicturePtr pPicture, Mask mask)
+{
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+ DMX_UNWRAP(ChangePicture, dmxScreen, ps);
+#if 1
+ if (ps->ChangePicture)
+ ps->ChangePicture(pPicture, mask);
+#endif
+
+ /* Picture attribute changes are handled in ValidatePicture */
+ pPictPriv->savedMask |= mask;
+
+ DMX_WRAP(ChangePicture, dmxChangePicture, dmxScreen, ps);
+}
+
+/** Validate the picture's attributes before rendering to it. Update
+ * any picture attributes that have been changed by one of the higher
+ * layers. */
+void
+dmxValidatePicture(PicturePtr pPicture, Mask mask)
+{
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pPicture);
+
+ DMX_UNWRAP(ValidatePicture, dmxScreen, ps);
+
+ /* Change picture attributes on back-end server */
+ if (pPictPriv->pict) {
+ XRenderPictureAttributes attribs;
+
+ if (mask & CPRepeat) {
+ attribs.repeat = pPicture->repeatType;
+ }
+ if (mask & CPAlphaMap) {
+ if (pPicture->alphaMap) {
+ dmxPictPrivPtr pAlphaPriv;
+
+ pAlphaPriv = DMX_GET_PICT_PRIV(pPicture->alphaMap);
+ if (pAlphaPriv->pict) {
+ attribs.alpha_map = pAlphaPriv->pict;
+ }
+ else {
+ /* FIXME: alpha picture drawable has not been created?? */
+ return; /* or should this be: attribs.alpha_map = None; */
+ }
+ }
+ else {
+ attribs.alpha_map = None;
+ }
+ }
+ if (mask & CPAlphaXOrigin)
+ attribs.alpha_x_origin = pPicture->alphaOrigin.x;
+ if (mask & CPAlphaYOrigin)
+ attribs.alpha_y_origin = pPicture->alphaOrigin.y;
+ if (mask & CPClipXOrigin)
+ attribs.clip_x_origin = pPicture->clipOrigin.x;
+ if (mask & CPClipYOrigin)
+ attribs.clip_y_origin = pPicture->clipOrigin.y;
+ if (mask & CPClipMask)
+ mask &= ~CPClipMask; /* Handled in ChangePictureClip */
+ if (mask & CPGraphicsExposure)
+ attribs.graphics_exposures = pPicture->graphicsExposures;
+ if (mask & CPSubwindowMode)
+ attribs.subwindow_mode = pPicture->subWindowMode;
+ if (mask & CPPolyEdge)
+ attribs.poly_edge = pPicture->polyEdge;
+ if (mask & CPPolyMode)
+ attribs.poly_mode = pPicture->polyMode;
+ if (mask & CPComponentAlpha)
+ attribs.component_alpha = pPicture->componentAlpha;
+
+ XRenderChangePicture(dmxScreen->beDisplay, pPictPriv->pict,
+ mask, &attribs);
+ dmxSync(dmxScreen, FALSE);
+ }
+ else {
+ pPictPriv->savedMask |= mask;
+ }
+
+#if 1
+ if (ps->ValidatePicture)
+ ps->ValidatePicture(pPicture, mask);
+#endif
+
+ DMX_WRAP(ValidatePicture, dmxValidatePicture, dmxScreen, ps);
+}
+
+/** Composite a picture on the appropriate screen by combining the
+ * specified rectangle of the transformed src and mask operands with
+ * the specified rectangle of the dst using op as the compositing
+ * operator. For a complete description see the protocol document of
+ * the RENDER library. */
+void
+dmxComposite(CARD8 op,
+ PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
+ INT16 xSrc, INT16 ySrc,
+ INT16 xMask, INT16 yMask,
+ INT16 xDst, INT16 yDst, CARD16 width, CARD16 height)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
+ dmxPictPrivPtr pMaskPriv = NULL;
+ dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst);
+
+ if (pMask)
+ pMaskPriv = DMX_GET_PICT_PRIV(pMask);
+
+ DMX_UNWRAP(Composite, dmxScreen, ps);
+#if 0
+ if (ps->Composite)
+ ps->Composite(op, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask, xDst, yDst, width, height);
+#endif
+
+ /* Composite on back-end server */
+ if (pSrcPriv->pict && pDstPriv->pict &&
+ ((pMaskPriv && pMaskPriv->pict) || !pMaskPriv)) {
+ XRenderComposite(dmxScreen->beDisplay,
+ op,
+ pSrcPriv->pict,
+ pMaskPriv ? pMaskPriv->pict : None,
+ pDstPriv->pict,
+ xSrc, ySrc, xMask, yMask, xDst, yDst, width, height);
+ dmxSync(dmxScreen, FALSE);
+ }
+
+ DMX_WRAP(Composite, dmxComposite, dmxScreen, ps);
+}
+
+/** Null function to catch when/if RENDER calls lower level mi hooks.
+ * Compositing glyphs is handled by dmxProcRenderCompositeGlyphs().
+ * This function should never be called. */
+void
+dmxGlyphs(CARD8 op,
+ PicturePtr pSrc, PicturePtr pDst,
+ PictFormatPtr maskFormat,
+ INT16 xSrc, INT16 ySrc,
+ int nlists, GlyphListPtr lists, GlyphPtr * glyphs)
+{
+ /* This won't work, so we need to wrap ProcRenderCompositeGlyphs */
+}
+
+/** Fill a rectangle on the appropriate screen by combining the color
+ * with the dest picture in the area specified by the list of
+ * rectangles. For a complete description see the protocol document of
+ * the RENDER library. */
+void
+dmxCompositeRects(CARD8 op,
+ PicturePtr pDst,
+ xRenderColor * color, int nRect, xRectangle *rects)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ dmxPictPrivPtr pPictPriv = DMX_GET_PICT_PRIV(pDst);
+
+ DMX_UNWRAP(CompositeRects, dmxScreen, ps);
+#if 0
+ if (ps->CompositeRects)
+ ps->CompositeRects(op, pDst, color, nRect, rects);
+#endif
+
+ /* CompositeRects on back-end server */
+ if (pPictPriv->pict) {
+ XRenderFillRectangles(dmxScreen->beDisplay,
+ op,
+ pPictPriv->pict,
+ (XRenderColor *) color,
+ (XRectangle *) rects, nRect);
+ dmxSync(dmxScreen, FALSE);
+ }
+
+ DMX_WRAP(CompositeRects, dmxCompositeRects, dmxScreen, ps);
+}
+
+/** Indexed color visuals are not yet supported. */
+Bool
+dmxInitIndexed(ScreenPtr pScreen, PictFormatPtr pFormat)
+{
+ return TRUE;
+}
+
+/** Indexed color visuals are not yet supported. */
+void
+dmxCloseIndexed(ScreenPtr pScreen, PictFormatPtr pFormat)
+{
+}
+
+/** Indexed color visuals are not yet supported. */
+void
+dmxUpdateIndexed(ScreenPtr pScreen, PictFormatPtr pFormat,
+ int ndef, xColorItem * pdef)
+{
+}
+
+/** Composite a list of trapezoids on the appropriate screen. For a
+ * complete description see the protocol document of the RENDER
+ * library. */
+void
+dmxTrapezoids(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+ PictFormatPtr maskFormat,
+ INT16 xSrc, INT16 ySrc, int ntrap, xTrapezoid * traps)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
+ dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst);
+
+ DMX_UNWRAP(Trapezoids, dmxScreen, ps);
+#if 0
+ if (ps->Trapezoids)
+ ps->Trapezoids(op, pSrc, pDst, maskFormat, xSrc, ySrc, ntrap, *traps);
+#endif
+
+ /* Draw trapezoids on back-end server */
+ if (pDstPriv->pict) {
+ XRenderPictFormat *pFormat;
+
+ pFormat = dmxFindFormat(dmxScreen, maskFormat);
+ if (!pFormat) {
+ /* FIXME: Error! */
+ }
+
+ XRenderCompositeTrapezoids(dmxScreen->beDisplay,
+ op,
+ pSrcPriv->pict,
+ pDstPriv->pict,
+ pFormat,
+ xSrc, ySrc, (XTrapezoid *) traps, ntrap);
+ dmxSync(dmxScreen, FALSE);
+ }
+
+ DMX_WRAP(Trapezoids, dmxTrapezoids, dmxScreen, ps);
+}
+
+/** Composite a list of triangles on the appropriate screen. For a
+ * complete description see the protocol document of the RENDER
+ * library. */
+void
+dmxTriangles(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+ PictFormatPtr maskFormat,
+ INT16 xSrc, INT16 ySrc, int ntri, xTriangle * tris)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ DMXScreenInfo *dmxScreen = &dmxScreens[pScreen->myNum];
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ dmxPictPrivPtr pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
+ dmxPictPrivPtr pDstPriv = DMX_GET_PICT_PRIV(pDst);
+
+ DMX_UNWRAP(Triangles, dmxScreen, ps);
+#if 0
+ if (ps->Triangles)
+ ps->Triangles(op, pSrc, pDst, maskFormat, xSrc, ySrc, ntri, *tris);
+#endif
+
+ /* Draw trapezoids on back-end server */
+ if (pDstPriv->pict) {
+ XRenderPictFormat *pFormat;
+
+ pFormat = dmxFindFormat(dmxScreen, maskFormat);
+ if (!pFormat) {
+ /* FIXME: Error! */
+ }
+
+ XRenderCompositeTriangles(dmxScreen->beDisplay,
+ op,
+ pSrcPriv->pict,
+ pDstPriv->pict,
+ pFormat,
+ xSrc, ySrc, (XTriangle *) tris, ntri);
+ dmxSync(dmxScreen, FALSE);
+ }
+
+ DMX_WRAP(Triangles, dmxTriangles, dmxScreen, ps);
+}