diff options
Diffstat (limited to 'xorg-server/hw/dmx/dmxpict.c')
| -rw-r--r-- | xorg-server/hw/dmx/dmxpict.c | 2517 |
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); +} |