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xserver/hw/dmx/dmxpict.c

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/*
* 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;
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((void **) &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((void **) &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((void **) &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((void **) &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((void **) &pSrc,
stuff->src, PictureType, client, DixReadAccess);
pSrcPriv = DMX_GET_PICT_PRIV(pSrc);
if (!pSrcPriv->pict)
return ret;
dixLookupResourceByType((void **) &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((void **) &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((void **) &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((void **) &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, void *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);
}
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