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-rw-r--r--xorg-server/miext/cw/Makefile.am11
-rw-r--r--xorg-server/miext/cw/Makefile.in650
-rw-r--r--xorg-server/miext/cw/cw.c528
-rw-r--r--xorg-server/miext/cw/cw.h168
-rw-r--r--xorg-server/miext/cw/cw_ops.c478
-rw-r--r--xorg-server/miext/cw/cw_render.c472
6 files changed, 2307 insertions, 0 deletions
diff --git a/xorg-server/miext/cw/Makefile.am b/xorg-server/miext/cw/Makefile.am
new file mode 100644
index 000000000..e056f4279
--- /dev/null
+++ b/xorg-server/miext/cw/Makefile.am
@@ -0,0 +1,11 @@
+noinst_LTLIBRARIES = libcw.la
+
+AM_CFLAGS = $(DIX_CFLAGS)
+
+INCLUDES = -I$(top_srcdir)/hw/xfree86/os-support
+
+libcw_la_SOURCES = \
+ cw.c \
+ cw_ops.c \
+ cw_render.c \
+ cw.h
diff --git a/xorg-server/miext/cw/Makefile.in b/xorg-server/miext/cw/Makefile.in
new file mode 100644
index 000000000..d2a47bd9c
--- /dev/null
+++ b/xorg-server/miext/cw/Makefile.in
@@ -0,0 +1,650 @@
+# Makefile.in generated by automake 1.10.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
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+@am__fastdepCC_TRUE@ $(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@ $(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonemtpy = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ mkid -fID $$unique
+tags: TAGS
+
+TAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ tags=; \
+ here=`pwd`; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ if test -z "$(ETAGS_ARGS)$$tags$$unique"; then :; else \
+ test -n "$$unique" || unique=$$empty_fix; \
+ $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+ $$tags $$unique; \
+ fi
+ctags: CTAGS
+CTAGS: $(HEADERS) $(SOURCES) $(TAGS_DEPENDENCIES) \
+ $(TAGS_FILES) $(LISP)
+ tags=; \
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
+ $(AWK) '{ files[$$0] = 1; nonempty = 1; } \
+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ test -z "$(CTAGS_ARGS)$$tags$$unique" \
+ || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+ $$tags $$unique
+
+GTAGS:
+ here=`$(am__cd) $(top_builddir) && pwd` \
+ && cd $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
+ -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(DISTFILES)
+ @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+ list='$(DISTFILES)'; \
+ dist_files=`for file in $$list; do echo $$file; done | \
+ sed -e "s|^$$srcdirstrip/||;t" \
+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+ case $$dist_files in \
+ */*) $(MKDIR_P) `echo "$$dist_files" | \
+ sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+ sort -u` ;; \
+ esac; \
+ for file in $$dist_files; do \
+ if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+ if test -d $$d/$$file; then \
+ dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+ if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+ cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
+ fi; \
+ cp -pR $$d/$$file $(distdir)$$dir || exit 1; \
+ else \
+ test -f $(distdir)/$$file \
+ || cp -p $$d/$$file $(distdir)/$$file \
+ || exit 1; \
+ fi; \
+ done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+ $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+ install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+ `test -z '$(STRIP)' || \
+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-noinstLTLIBRARIES \
+ mostlyclean-am
+
+distclean: distclean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+ distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+info: info-am
+
+info-am:
+
+install-data-am:
+
+install-dvi: install-dvi-am
+
+install-exec-am:
+
+install-html: install-html-am
+
+install-info: install-info-am
+
+install-man:
+
+install-pdf: install-pdf-am
+
+install-ps: install-ps-am
+
+installcheck-am:
+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(DEPDIR)
+ -rm -f Makefile
+maintainer-clean-am: distclean-am maintainer-clean-generic
+
+mostlyclean: mostlyclean-am
+
+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+ mostlyclean-libtool
+
+pdf: pdf-am
+
+pdf-am:
+
+ps: ps-am
+
+ps-am:
+
+uninstall-am:
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libtool clean-noinstLTLIBRARIES ctags distclean \
+ distclean-compile distclean-generic distclean-libtool \
+ distclean-tags distdir dvi dvi-am html html-am info info-am \
+ install install-am install-data install-data-am install-dvi \
+ install-dvi-am install-exec install-exec-am install-html \
+ install-html-am install-info install-info-am install-man \
+ install-pdf install-pdf-am install-ps install-ps-am \
+ install-strip installcheck installcheck-am installdirs \
+ maintainer-clean maintainer-clean-generic mostlyclean \
+ mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+ pdf pdf-am ps ps-am tags uninstall uninstall-am
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/xorg-server/miext/cw/cw.c b/xorg-server/miext/cw/cw.c
new file mode 100644
index 000000000..efb046948
--- /dev/null
+++ b/xorg-server/miext/cw/cw.c
@@ -0,0 +1,528 @@
+/*
+ * Copyright © 2004 Eric Anholt
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Eric Anholt not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Eric Anholt makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include "gcstruct.h"
+#include "windowstr.h"
+#include "cw.h"
+
+#define CW_DEBUG 1
+
+#if CW_DEBUG
+#define CW_ASSERT(x) do { \
+ if (!(x)) { \
+ ErrorF("composite wrapper: assertion failed at %s:%d\n", __FUNC__, \
+ __LINE__); \
+ } \
+} while (0)
+#else
+#define CW_ASSERT(x) do {} while (0)
+#endif
+
+DevPrivateKey cwGCKey = &cwGCKey;
+DevPrivateKey cwScreenKey = &cwScreenKey;
+DevPrivateKey cwWindowKey = &cwWindowKey;
+#ifdef RENDER
+DevPrivateKey cwPictureKey = &cwPictureKey;
+#endif
+extern GCOps cwGCOps;
+
+static Bool
+cwCloseScreen (int i, ScreenPtr pScreen);
+
+static void
+cwValidateGC(GCPtr pGC, unsigned long stateChanges, DrawablePtr pDrawable);
+static void
+cwChangeGC(GCPtr pGC, unsigned long mask);
+static void
+cwCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst);
+static void
+cwDestroyGC(GCPtr pGC);
+static void
+cwChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects);
+static void
+cwCopyClip(GCPtr pgcDst, GCPtr pgcSrc);
+static void
+cwDestroyClip(GCPtr pGC);
+
+GCFuncs cwGCFuncs = {
+ cwValidateGC,
+ cwChangeGC,
+ cwCopyGC,
+ cwDestroyGC,
+ cwChangeClip,
+ cwDestroyClip,
+ cwCopyClip,
+};
+
+/* Find the real drawable to draw to, and provide offsets that will translate
+ * window coordinates to backing pixmap coordinates.
+ */
+DrawablePtr
+cwGetBackingDrawable(DrawablePtr pDrawable, int *x_off, int *y_off)
+{
+ PixmapPtr pPixmap;
+
+ if (pDrawable->type == DRAWABLE_WINDOW &&
+ (pPixmap = getCwPixmap ((WindowPtr) pDrawable)))
+ {
+ *x_off = pDrawable->x - pPixmap->screen_x;
+ *y_off = pDrawable->y - pPixmap->screen_y;
+ return &pPixmap->drawable;
+ } else {
+ *x_off = *y_off = 0;
+ return pDrawable;
+ }
+}
+
+#define FUNC_PROLOGUE(pGC, pPriv) do { \
+ (pGC)->funcs = (pPriv)->wrapFuncs; \
+ (pGC)->ops = (pPriv)->wrapOps; \
+} while (0)
+
+#define FUNC_EPILOGUE(pGC, pPriv) do { \
+ (pPriv)->wrapFuncs = (pGC)->funcs; \
+ (pPriv)->wrapOps = (pGC)->ops; \
+ (pGC)->funcs = &cwGCFuncs; \
+ (pGC)->ops = &cwGCOps; \
+} while (0)
+
+
+static Bool
+cwCreateBackingGC(GCPtr pGC, DrawablePtr pDrawable)
+{
+ cwGCRec *pPriv = getCwGC(pGC);
+ int status, x_off, y_off;
+ XID noexpose = xFalse;
+ DrawablePtr pBackingDrawable;
+
+ pBackingDrawable = cwGetBackingDrawable(pDrawable, &x_off, &y_off);
+ pPriv->pBackingGC = CreateGC(pBackingDrawable, GCGraphicsExposures,
+ &noexpose, &status, (XID)0, serverClient);
+ if (status != Success)
+ return FALSE;
+
+ pPriv->serialNumber = 0;
+ pPriv->stateChanges = (1 << (GCLastBit + 1)) - 1;
+
+ return TRUE;
+}
+
+static void
+cwDestroyBackingGC(GCPtr pGC)
+{
+ cwGCPtr pPriv;
+
+ pPriv = (cwGCPtr) getCwGC (pGC);
+
+ if (pPriv->pBackingGC) {
+ FreeGC(pPriv->pBackingGC, (XID)0);
+ pPriv->pBackingGC = NULL;
+ }
+}
+
+static void
+cwValidateGC(GCPtr pGC, unsigned long stateChanges, DrawablePtr pDrawable)
+{
+ GCPtr pBackingGC;
+ cwGCPtr pPriv;
+ DrawablePtr pBackingDrawable;
+ int x_off, y_off;
+
+ pPriv = (cwGCPtr) getCwGC (pGC);
+
+ FUNC_PROLOGUE(pGC, pPriv);
+
+ /*
+ * Must call ValidateGC to ensure pGC->pCompositeClip is valid
+ */
+ (*pGC->funcs->ValidateGC)(pGC, stateChanges, pDrawable);
+
+ if (!cwDrawableIsRedirWindow(pDrawable)) {
+ cwDestroyBackingGC(pGC);
+ FUNC_EPILOGUE(pGC, pPriv);
+ return;
+ } else {
+ if (!pPriv->pBackingGC && !cwCreateBackingGC(pGC, pDrawable)) {
+ FUNC_EPILOGUE(pGC, pPriv);
+ return;
+ }
+ }
+
+ pBackingGC = pPriv->pBackingGC;
+ pBackingDrawable = cwGetBackingDrawable(pDrawable, &x_off, &y_off);
+
+ pPriv->stateChanges |= stateChanges;
+
+ /*
+ * Copy the composite clip into the backing GC if either
+ * the drawable clip list has changed or the client has changed
+ * the client clip data
+ */
+ if (pDrawable->serialNumber != pPriv->serialNumber ||
+ (pPriv->stateChanges & (GCClipXOrigin|GCClipYOrigin|GCClipMask)))
+ {
+ XID vals[2];
+ RegionPtr pCompositeClip;
+
+ pCompositeClip = REGION_CREATE (pScreen, NULL, 0);
+ REGION_COPY (pScreen, pCompositeClip, pGC->pCompositeClip);
+
+ /* Either the drawable has changed, or the clip list in the drawable has
+ * changed. Copy the new clip list over and set the new translated
+ * offset for it.
+ */
+
+ (*pBackingGC->funcs->ChangeClip) (pBackingGC, CT_REGION,
+ (pointer) pCompositeClip, 0);
+
+ vals[0] = x_off - pDrawable->x;
+ vals[1] = y_off - pDrawable->y;
+ dixChangeGC(NullClient, pBackingGC,
+ (GCClipXOrigin | GCClipYOrigin), vals, NULL);
+
+ pPriv->serialNumber = pDrawable->serialNumber;
+ /*
+ * Mask off any client clip changes to make sure
+ * the clip list set above remains in effect
+ */
+ pPriv->stateChanges &= ~(GCClipXOrigin|GCClipYOrigin|GCClipMask);
+ }
+
+ if (pPriv->stateChanges) {
+ CopyGC(pGC, pBackingGC, pPriv->stateChanges);
+ pPriv->stateChanges = 0;
+ }
+
+ if ((pGC->patOrg.x + x_off) != pBackingGC->patOrg.x ||
+ (pGC->patOrg.y + y_off) != pBackingGC->patOrg.y)
+ {
+ XID vals[2];
+ vals[0] = pGC->patOrg.x + x_off;
+ vals[1] = pGC->patOrg.y + y_off;
+ dixChangeGC(NullClient, pBackingGC,
+ (GCTileStipXOrigin | GCTileStipYOrigin), vals, NULL);
+ }
+
+ ValidateGC(pBackingDrawable, pBackingGC);
+
+ FUNC_EPILOGUE(pGC, pPriv);
+}
+
+static void
+cwChangeGC(GCPtr pGC, unsigned long mask)
+{
+ cwGCPtr pPriv = (cwGCPtr)dixLookupPrivate(&pGC->devPrivates, cwGCKey);
+
+ FUNC_PROLOGUE(pGC, pPriv);
+
+ (*pGC->funcs->ChangeGC) (pGC, mask);
+
+ FUNC_EPILOGUE(pGC, pPriv);
+}
+
+static void
+cwCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst)
+{
+ cwGCPtr pPriv = (cwGCPtr)dixLookupPrivate(&pGCDst->devPrivates, cwGCKey);
+
+ FUNC_PROLOGUE(pGCDst, pPriv);
+
+ (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
+
+ FUNC_EPILOGUE(pGCDst, pPriv);
+}
+
+static void
+cwDestroyGC(GCPtr pGC)
+{
+ cwGCPtr pPriv = (cwGCPtr)dixLookupPrivate(&pGC->devPrivates, cwGCKey);
+
+ FUNC_PROLOGUE(pGC, pPriv);
+
+ cwDestroyBackingGC(pGC);
+
+ (*pGC->funcs->DestroyGC) (pGC);
+
+ /* leave it unwrapped */
+}
+
+static void
+cwChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects)
+{
+ cwGCPtr pPriv = (cwGCPtr)dixLookupPrivate(&pGC->devPrivates, cwGCKey);
+
+ FUNC_PROLOGUE(pGC, pPriv);
+
+ (*pGC->funcs->ChangeClip)(pGC, type, pvalue, nrects);
+
+ FUNC_EPILOGUE(pGC, pPriv);
+}
+
+static void
+cwCopyClip(GCPtr pgcDst, GCPtr pgcSrc)
+{
+ cwGCPtr pPriv = (cwGCPtr)dixLookupPrivate(&pgcDst->devPrivates, cwGCKey);
+
+ FUNC_PROLOGUE(pgcDst, pPriv);
+
+ (*pgcDst->funcs->CopyClip)(pgcDst, pgcSrc);
+
+ FUNC_EPILOGUE(pgcDst, pPriv);
+}
+
+static void
+cwDestroyClip(GCPtr pGC)
+{
+ cwGCPtr pPriv = (cwGCPtr)dixLookupPrivate(&pGC->devPrivates, cwGCKey);
+
+ FUNC_PROLOGUE(pGC, pPriv);
+
+ (*pGC->funcs->DestroyClip)(pGC);
+
+ FUNC_EPILOGUE(pGC, pPriv);
+}
+
+/*
+ * Screen wrappers.
+ */
+
+#define SCREEN_PROLOGUE(pScreen, field) \
+ ((pScreen)->field = getCwScreen(pScreen)->field)
+
+#define SCREEN_EPILOGUE(pScreen, field, wrapper) do { \
+ getCwScreen(pScreen)->field = (pScreen)->field; \
+ (pScreen)->field = (wrapper); \
+} while (0)
+
+static Bool
+cwCreateGC(GCPtr pGC)
+{
+ cwGCPtr pPriv = getCwGC(pGC);
+ ScreenPtr pScreen = pGC->pScreen;
+ Bool ret;
+
+ bzero(pPriv, sizeof(cwGCRec));
+ SCREEN_PROLOGUE(pScreen, CreateGC);
+
+ if ( (ret = (*pScreen->CreateGC)(pGC)) )
+ FUNC_EPILOGUE(pGC, pPriv);
+
+ SCREEN_EPILOGUE(pScreen, CreateGC, cwCreateGC);
+
+ return ret;
+}
+
+static void
+cwGetImage(DrawablePtr pSrc, int x, int y, int w, int h, unsigned int format,
+ unsigned long planemask, char *pdstLine)
+{
+ ScreenPtr pScreen = pSrc->pScreen;
+ DrawablePtr pBackingDrawable;
+ int src_off_x, src_off_y;
+
+ SCREEN_PROLOGUE(pScreen, GetImage);
+
+ pBackingDrawable = cwGetBackingDrawable(pSrc, &src_off_x, &src_off_y);
+
+ CW_OFFSET_XY_SRC(x, y);
+
+ (*pScreen->GetImage)(pBackingDrawable, x, y, w, h, format, planemask,
+ pdstLine);
+
+ SCREEN_EPILOGUE(pScreen, GetImage, cwGetImage);
+}
+
+static void
+cwGetSpans(DrawablePtr pSrc, int wMax, DDXPointPtr ppt, int *pwidth,
+ int nspans, char *pdstStart)
+{
+ ScreenPtr pScreen = pSrc->pScreen;
+ DrawablePtr pBackingDrawable;
+ int i;
+ int src_off_x, src_off_y;
+
+ SCREEN_PROLOGUE(pScreen, GetSpans);
+
+ pBackingDrawable = cwGetBackingDrawable(pSrc, &src_off_x, &src_off_y);
+
+ for (i = 0; i < nspans; i++)
+ CW_OFFSET_XY_SRC(ppt[i].x, ppt[i].y);
+
+ (*pScreen->GetSpans)(pBackingDrawable, wMax, ppt, pwidth, nspans,
+ pdstStart);
+
+ SCREEN_EPILOGUE(pScreen, GetSpans, cwGetSpans);
+}
+
+
+static void
+cwCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+
+ SCREEN_PROLOGUE(pScreen, CopyWindow);
+
+ if (!cwDrawableIsRedirWindow((DrawablePtr)pWin)) {
+ (*pScreen->CopyWindow)(pWin, ptOldOrg, prgnSrc);
+ } else {
+ GCPtr pGC;
+ BoxPtr pExtents;
+ int x_off, y_off;
+ int dx, dy;
+ PixmapPtr pBackingPixmap;
+ RegionPtr pClip;
+ int src_x, src_y, dst_x, dst_y, w, h;
+
+ dx = ptOldOrg.x - pWin->drawable.x;
+ dy = ptOldOrg.y - pWin->drawable.y;
+
+ pExtents = REGION_EXTENTS(pScreen, prgnSrc);
+
+ pBackingPixmap = (PixmapPtr) cwGetBackingDrawable((DrawablePtr)pWin,
+ &x_off, &y_off);
+
+ src_x = pExtents->x1 - pBackingPixmap->screen_x;
+ src_y = pExtents->y1 - pBackingPixmap->screen_y;
+ w = pExtents->x2 - pExtents->x1;
+ h = pExtents->y2 - pExtents->y1;
+ dst_x = src_x - dx;
+ dst_y = src_y - dy;
+
+ /* Translate region (as required by API) */
+ REGION_TRANSLATE(pScreen, prgnSrc, -dx, -dy);
+
+ pGC = GetScratchGC(pBackingPixmap->drawable.depth, pScreen);
+ /*
+ * Copy region to GC as clip, aligning as dest clip
+ */
+ pClip = REGION_CREATE (pScreen, NULL, 0);
+ REGION_INTERSECT(pScreen, pClip, &pWin->borderClip, prgnSrc);
+ REGION_TRANSLATE(pScreen, pClip,
+ -pBackingPixmap->screen_x,
+ -pBackingPixmap->screen_y);
+
+ (*pGC->funcs->ChangeClip) (pGC, CT_REGION, pClip, 0);
+
+ ValidateGC(&pBackingPixmap->drawable, pGC);
+
+ (*pGC->ops->CopyArea) (&pBackingPixmap->drawable,
+ &pBackingPixmap->drawable, pGC,
+ src_x, src_y, w, h, dst_x, dst_y);
+
+ (*pGC->funcs->DestroyClip) (pGC);
+
+ FreeScratchGC(pGC);
+ }
+
+ SCREEN_EPILOGUE(pScreen, CopyWindow, cwCopyWindow);
+}
+
+static PixmapPtr
+cwGetWindowPixmap (WindowPtr pWin)
+{
+ PixmapPtr pPixmap = getCwPixmap (pWin);
+
+ if (!pPixmap)
+ {
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ SCREEN_PROLOGUE(pScreen, GetWindowPixmap);
+ if (pScreen->GetWindowPixmap)
+ pPixmap = (*pScreen->GetWindowPixmap) (pWin);
+ SCREEN_EPILOGUE(pScreen, GetWindowPixmap, cwGetWindowPixmap);
+ }
+ return pPixmap;
+}
+
+static void
+cwSetWindowPixmap (WindowPtr pWindow, PixmapPtr pPixmap)
+{
+ ScreenPtr pScreen = pWindow->drawable.pScreen;
+
+ if (pPixmap == (*pScreen->GetScreenPixmap) (pScreen))
+ pPixmap = NULL;
+ setCwPixmap (pWindow, pPixmap);
+}
+
+/* Screen initialization/teardown */
+void
+miInitializeCompositeWrapper(ScreenPtr pScreen)
+{
+ cwScreenPtr pScreenPriv;
+#ifdef RENDER
+ Bool has_render = GetPictureScreenIfSet(pScreen) != NULL;
+#endif
+
+ if (!dixRequestPrivate(cwGCKey, sizeof(cwGCRec)))
+ return;
+
+ pScreenPriv = (cwScreenPtr)xalloc(sizeof(cwScreenRec));
+ if (!pScreenPriv)
+ return;
+
+ dixSetPrivate(&pScreen->devPrivates, cwScreenKey, pScreenPriv);
+
+ SCREEN_EPILOGUE(pScreen, CloseScreen, cwCloseScreen);
+ SCREEN_EPILOGUE(pScreen, GetImage, cwGetImage);
+ SCREEN_EPILOGUE(pScreen, GetSpans, cwGetSpans);
+ SCREEN_EPILOGUE(pScreen, CreateGC, cwCreateGC);
+ SCREEN_EPILOGUE(pScreen, CopyWindow, cwCopyWindow);
+
+ SCREEN_EPILOGUE(pScreen, SetWindowPixmap, cwSetWindowPixmap);
+ SCREEN_EPILOGUE(pScreen, GetWindowPixmap, cwGetWindowPixmap);
+
+#ifdef RENDER
+ if (has_render)
+ cwInitializeRender(pScreen);
+#endif
+}
+
+static Bool
+cwCloseScreen (int i, ScreenPtr pScreen)
+{
+ cwScreenPtr pScreenPriv;
+#ifdef RENDER
+ PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
+#endif
+
+ pScreenPriv = (cwScreenPtr)dixLookupPrivate(&pScreen->devPrivates,
+ cwScreenKey);
+ pScreen->CloseScreen = pScreenPriv->CloseScreen;
+ pScreen->GetImage = pScreenPriv->GetImage;
+ pScreen->GetSpans = pScreenPriv->GetSpans;
+ pScreen->CreateGC = pScreenPriv->CreateGC;
+ pScreen->CopyWindow = pScreenPriv->CopyWindow;
+
+#ifdef RENDER
+ if (ps)
+ cwFiniRender(pScreen);
+#endif
+
+ xfree((pointer)pScreenPriv);
+
+ return (*pScreen->CloseScreen)(i, pScreen);
+}
diff --git a/xorg-server/miext/cw/cw.h b/xorg-server/miext/cw/cw.h
new file mode 100644
index 000000000..145f3492c
--- /dev/null
+++ b/xorg-server/miext/cw/cw.h
@@ -0,0 +1,168 @@
+/*
+ * Copyright © 2004 Eric Anholt
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Eric Anholt not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Eric Anholt makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "gcstruct.h"
+#include "picturestr.h"
+#include "privates.h"
+
+/*
+ * One of these structures is allocated per GC that gets used with a window with
+ * backing pixmap.
+ */
+
+typedef struct {
+ GCPtr pBackingGC; /* Copy of the GC but with graphicsExposures
+ * set FALSE and the clientClip set to
+ * clip output to the valid regions of the
+ * backing pixmap. */
+ unsigned long serialNumber; /* clientClip computed time */
+ unsigned long stateChanges; /* changes in parent gc since last copy */
+ GCOps *wrapOps; /* wrapped ops */
+ GCFuncs *wrapFuncs; /* wrapped funcs */
+} cwGCRec, *cwGCPtr;
+
+extern DevPrivateKey cwGCKey;
+
+#define getCwGC(pGC) ((cwGCPtr)dixLookupPrivate(&(pGC)->devPrivates, cwGCKey))
+#define setCwGC(pGC,p) dixSetPrivate(&(pGC)->devPrivates, cwGCKey, p)
+
+/*
+ * One of these structures is allocated per Picture that gets used with a
+ * window with a backing pixmap
+ */
+
+typedef struct {
+ PicturePtr pBackingPicture;
+ unsigned long serialNumber;
+ unsigned long stateChanges;
+} cwPictureRec, *cwPicturePtr;
+
+#define getCwPicture(pPicture) (pPicture->pDrawable ? \
+ (cwPicturePtr)dixLookupPrivate(&(pPicture)->devPrivates, cwPictureKey) : 0)
+#define setCwPicture(pPicture,p) dixSetPrivate(&(pPicture)->devPrivates, cwPictureKey, p)
+
+extern DevPrivateKey cwPictureKey;
+extern DevPrivateKey cwWindowKey;
+
+#define cwWindowPrivate(pWin) dixLookupPrivate(&(pWin)->devPrivates, cwWindowKey)
+#define getCwPixmap(pWindow) ((PixmapPtr) cwWindowPrivate(pWindow))
+#define setCwPixmap(pWindow,pPixmap) \
+ dixSetPrivate(&(pWindow)->devPrivates, cwWindowKey, pPixmap)
+
+#define cwDrawableIsRedirWindow(pDraw) \
+ ((pDraw)->type == DRAWABLE_WINDOW && \
+ getCwPixmap((WindowPtr) (pDraw)) != NULL)
+
+typedef struct {
+ /*
+ * screen func wrappers
+ */
+ CloseScreenProcPtr CloseScreen;
+ GetImageProcPtr GetImage;
+ GetSpansProcPtr GetSpans;
+ CreateGCProcPtr CreateGC;
+
+ CopyWindowProcPtr CopyWindow;
+
+ GetWindowPixmapProcPtr GetWindowPixmap;
+ SetWindowPixmapProcPtr SetWindowPixmap;
+
+#ifdef RENDER
+ DestroyPictureProcPtr DestroyPicture;
+ ChangePictureClipProcPtr ChangePictureClip;
+ DestroyPictureClipProcPtr DestroyPictureClip;
+
+ ChangePictureProcPtr ChangePicture;
+ ValidatePictureProcPtr ValidatePicture;
+
+ CompositeProcPtr Composite;
+ CompositeRectsProcPtr CompositeRects;
+
+ TrapezoidsProcPtr Trapezoids;
+ TrianglesProcPtr Triangles;
+ TriStripProcPtr TriStrip;
+ TriFanProcPtr TriFan;
+
+ RasterizeTrapezoidProcPtr RasterizeTrapezoid;
+#endif
+} cwScreenRec, *cwScreenPtr;
+
+extern DevPrivateKey cwScreenKey;
+
+#define getCwScreen(pScreen) ((cwScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, cwScreenKey))
+#define setCwScreen(pScreen,p) dixSetPrivate(&(pScreen)->devPrivates, cwScreenKey, p)
+
+#define CW_OFFSET_XYPOINTS(ppt, npt) do { \
+ DDXPointPtr _ppt = (DDXPointPtr)(ppt); \
+ int _i; \
+ for (_i = 0; _i < npt; _i++) { \
+ _ppt[_i].x += dst_off_x; \
+ _ppt[_i].y += dst_off_y; \
+ } \
+} while (0)
+
+#define CW_OFFSET_RECTS(prect, nrect) do { \
+ int _i; \
+ for (_i = 0; _i < nrect; _i++) { \
+ (prect)[_i].x += dst_off_x; \
+ (prect)[_i].y += dst_off_y; \
+ } \
+} while (0)
+
+#define CW_OFFSET_ARCS(parc, narc) do { \
+ int _i; \
+ for (_i = 0; _i < narc; _i++) { \
+ (parc)[_i].x += dst_off_x; \
+ (parc)[_i].y += dst_off_y; \
+ } \
+} while (0)
+
+#define CW_OFFSET_XY_DST(x, y) do { \
+ (x) = (x) + dst_off_x; \
+ (y) = (y) + dst_off_y; \
+} while (0)
+
+#define CW_OFFSET_XY_SRC(x, y) do { \
+ (x) = (x) + src_off_x; \
+ (y) = (y) + src_off_y; \
+} while (0)
+
+/* cw.c */
+DrawablePtr
+cwGetBackingDrawable(DrawablePtr pDrawable, int *x_off, int *y_off);
+
+/* cw_render.c */
+
+void
+cwInitializeRender (ScreenPtr pScreen);
+
+void
+cwFiniRender (ScreenPtr pScreen);
+
+/* cw.c */
+
+void
+miInitializeCompositeWrapper(ScreenPtr pScreen);
diff --git a/xorg-server/miext/cw/cw_ops.c b/xorg-server/miext/cw/cw_ops.c
new file mode 100644
index 000000000..9ae56cb6c
--- /dev/null
+++ b/xorg-server/miext/cw/cw_ops.c
@@ -0,0 +1,478 @@
+/*
+ * Copyright © 2004 Eric Anholt
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Eric Anholt not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Eric Anholt makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stdlib.h>
+
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "cw.h"
+#include "mi.h"
+
+#define SETUP_BACKING_DST(_pDst, _pGC) \
+ cwGCPtr pGCPrivate = getCwGC (_pGC); \
+ int dst_off_x, dst_off_y; \
+ DrawablePtr pBackingDst = cwGetBackingDrawable(pDst, &dst_off_x, \
+ &dst_off_y); \
+ GCPtr pBackingGC = pGCPrivate->pBackingGC ? pGCPrivate->pBackingGC : _pGC
+
+#define SETUP_BACKING_SRC(pSrc, pGC) \
+ int src_off_x, src_off_y; \
+ DrawablePtr pBackingSrc = cwGetBackingDrawable(pSrc, &src_off_x, \
+ &src_off_y)
+
+#define PROLOGUE(pGC) do { \
+ if (pBackingGC->serialNumber != pBackingDst->serialNumber) { \
+ ValidateGC(pBackingDst, pBackingGC); \
+ } \
+ pGC->funcs = pGCPrivate->wrapFuncs;\
+ pGC->ops = pGCPrivate->wrapOps;\
+} while (0)
+
+#define EPILOGUE(pGC) do { \
+ pGCPrivate->wrapFuncs = (pGC)->funcs; \
+ pGCPrivate->wrapOps = (pGC)->ops; \
+ (pGC)->funcs = &cwGCFuncs; \
+ (pGC)->ops = &cwGCOps; \
+} while (0)
+
+extern GCFuncs cwGCFuncs;
+
+/*
+ * GC ops -- wrap each GC operation with our own function
+ */
+
+static void cwFillSpans(DrawablePtr pDst, GCPtr pGC, int nInit,
+ DDXPointPtr pptInit, int *pwidthInit, int fSorted);
+static void cwSetSpans(DrawablePtr pDst, GCPtr pGC, char *psrc,
+ DDXPointPtr ppt, int *pwidth, int nspans, int fSorted);
+static void cwPutImage(DrawablePtr pDst, GCPtr pGC, int depth,
+ int x, int y, int w, int h, int leftPad, int format,
+ char *pBits);
+static RegionPtr cwCopyArea(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h,
+ int dstx, int dsty);
+static RegionPtr cwCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC,
+ int srcx, int srcy, int w, int h,
+ int dstx, int dsty, unsigned long plane);
+static void cwPolyPoint(DrawablePtr pDst, GCPtr pGC, int mode, int npt,
+ xPoint *pptInit);
+static void cwPolylines(DrawablePtr pDst, GCPtr pGC, int mode, int npt,
+ DDXPointPtr pptInit);
+static void cwPolySegment(DrawablePtr pDst, GCPtr pGC, int nseg,
+ xSegment *pSegs);
+static void cwPolyRectangle(DrawablePtr pDst, GCPtr pGC,
+ int nrects, xRectangle *pRects);
+static void cwPolyArc(DrawablePtr pDst, GCPtr pGC, int narcs, xArc *parcs);
+static void cwFillPolygon(DrawablePtr pDst, GCPtr pGC, int shape, int mode,
+ int count, DDXPointPtr pPts);
+static void cwPolyFillRect(DrawablePtr pDst, GCPtr pGC,
+ int nrectFill, xRectangle *prectInit);
+static void cwPolyFillArc(DrawablePtr pDst, GCPtr pGC,
+ int narcs, xArc *parcs);
+static int cwPolyText8(DrawablePtr pDrawable, GCPtr pGC, int x, int y,
+ int count, char *chars);
+static int cwPolyText16(DrawablePtr pDst, GCPtr pGC, int x, int y,
+ int count, unsigned short *chars);
+static void cwImageText8(DrawablePtr pDst, GCPtr pGC, int x, int y,
+ int count, char *chars);
+static void cwImageText16(DrawablePtr pDst, GCPtr pGC, int x, int y,
+ int count, unsigned short *chars);
+static void cwImageGlyphBlt(DrawablePtr pDst, GCPtr pGC, int x, int y,
+ unsigned int nglyph, CharInfoPtr *ppci,
+ pointer pglyphBase);
+static void cwPolyGlyphBlt(DrawablePtr pDst, GCPtr pGC, int x, int y,
+ unsigned int nglyph, CharInfoPtr *ppci,
+ pointer pglyphBase);
+static void cwPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDst,
+ int w, int h, int x, int y);
+
+GCOps cwGCOps = {
+ cwFillSpans,
+ cwSetSpans,
+ cwPutImage,
+ cwCopyArea,
+ cwCopyPlane,
+ cwPolyPoint,
+ cwPolylines,
+ cwPolySegment,
+ cwPolyRectangle,
+ cwPolyArc,
+ cwFillPolygon,
+ cwPolyFillRect,
+ cwPolyFillArc,
+ cwPolyText8,
+ cwPolyText16,
+ cwImageText8,
+ cwImageText16,
+ cwImageGlyphBlt,
+ cwPolyGlyphBlt,
+ cwPushPixels
+};
+
+static void
+cwFillSpans(DrawablePtr pDst, GCPtr pGC, int nspans, DDXPointPtr ppt,
+ int *pwidth, int fSorted)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_XYPOINTS(ppt, nspans);
+
+ (*pBackingGC->ops->FillSpans)(pBackingDst, pBackingGC, nspans, ppt,
+ pwidth, fSorted);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwSetSpans(DrawablePtr pDst, GCPtr pGC, char *psrc, DDXPointPtr ppt,
+ int *pwidth, int nspans, int fSorted)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_XYPOINTS(ppt, nspans);
+
+ (*pBackingGC->ops->SetSpans)(pBackingDst, pBackingGC, psrc, ppt, pwidth,
+ nspans, fSorted);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwPutImage(DrawablePtr pDst, GCPtr pGC, int depth, int x, int y, int w, int h,
+ int leftPad, int format, char *pBits)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_XY_DST(x, y);
+
+ (*pBackingGC->ops->PutImage)(pBackingDst, pBackingGC, depth, x, y, w, h,
+ leftPad, format, pBits);
+
+ EPILOGUE(pGC);
+}
+
+static RegionPtr
+cwCopyArea(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, int srcx, int srcy,
+ int w, int h, int dstx, int dsty)
+{
+ int odstx, odsty;
+ int osrcx, osrcy;
+ SETUP_BACKING_DST(pDst, pGC);
+ SETUP_BACKING_SRC(pSrc, pGC);
+
+ PROLOGUE(pGC);
+
+ odstx = dstx;
+ odsty = dsty;
+ osrcx = srcx;
+ osrcy = srcy;
+ CW_OFFSET_XY_DST(dstx, dsty);
+ CW_OFFSET_XY_SRC(srcx, srcy);
+
+ (*pBackingGC->ops->CopyArea)(pBackingSrc, pBackingDst,
+ pBackingGC, srcx, srcy, w, h,
+ dstx, dsty);
+
+ EPILOGUE(pGC);
+
+ return miHandleExposures(pSrc, pDst, pGC,
+ osrcx, osrcy, w, h,
+ odstx, odsty, 0);
+}
+
+static RegionPtr
+cwCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, int srcx, int srcy,
+ int w, int h, int dstx, int dsty, unsigned long plane)
+{
+ int odstx, odsty;
+ int osrcx, osrcy;
+ SETUP_BACKING_DST(pDst, pGC);
+ SETUP_BACKING_SRC(pSrc, pGC);
+
+ PROLOGUE(pGC);
+
+ odstx = dstx;
+ odsty = dsty;
+ osrcx = srcx;
+ osrcy = srcy;
+ CW_OFFSET_XY_DST(dstx, dsty);
+ CW_OFFSET_XY_SRC(srcx, srcy);
+
+ (*pBackingGC->ops->CopyPlane)(pBackingSrc, pBackingDst,
+ pBackingGC, srcx, srcy, w, h,
+ dstx, dsty, plane);
+
+ EPILOGUE(pGC);
+
+ return miHandleExposures(pSrc, pDst, pGC,
+ osrcx, osrcy, w, h,
+ odstx, odsty, plane);
+}
+
+static void
+cwPolyPoint(DrawablePtr pDst, GCPtr pGC, int mode, int npt, xPoint *ppt)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ if (mode == CoordModeOrigin)
+ CW_OFFSET_XYPOINTS(ppt, npt);
+ else
+ CW_OFFSET_XYPOINTS(ppt, 1);
+
+ (*pBackingGC->ops->PolyPoint)(pBackingDst, pBackingGC, mode, npt, ppt);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwPolylines(DrawablePtr pDst, GCPtr pGC, int mode, int npt, DDXPointPtr ppt)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ if (mode == CoordModeOrigin)
+ CW_OFFSET_XYPOINTS(ppt, npt);
+ else
+ CW_OFFSET_XYPOINTS(ppt, 1);
+
+ (*pBackingGC->ops->Polylines)(pBackingDst, pBackingGC, mode, npt, ppt);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwPolySegment(DrawablePtr pDst, GCPtr pGC, int nseg, xSegment *pSegs)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_XYPOINTS(pSegs, nseg * 2);
+
+ (*pBackingGC->ops->PolySegment)(pBackingDst, pBackingGC, nseg, pSegs);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwPolyRectangle(DrawablePtr pDst, GCPtr pGC, int nrects, xRectangle *pRects)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_RECTS(pRects, nrects);
+
+ (*pBackingGC->ops->PolyRectangle)(pBackingDst, pBackingGC, nrects, pRects);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwPolyArc(DrawablePtr pDst, GCPtr pGC, int narcs, xArc *pArcs)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_RECTS(pArcs, narcs);
+
+ (*pBackingGC->ops->PolyArc)(pBackingDst, pBackingGC, narcs, pArcs);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwFillPolygon(DrawablePtr pDst, GCPtr pGC, int shape, int mode, int npt,
+ DDXPointPtr ppt)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ if (mode == CoordModeOrigin)
+ CW_OFFSET_XYPOINTS(ppt, npt);
+ else
+ CW_OFFSET_XYPOINTS(ppt, 1);
+
+ (*pBackingGC->ops->FillPolygon)(pBackingDst, pBackingGC, shape, mode, npt,
+ ppt);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwPolyFillRect(DrawablePtr pDst, GCPtr pGC, int nrects, xRectangle *pRects)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_RECTS(pRects, nrects);
+
+ (*pBackingGC->ops->PolyFillRect)(pBackingDst, pBackingGC, nrects, pRects);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwPolyFillArc(DrawablePtr pDst, GCPtr pGC, int narcs, xArc *parcs)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_RECTS(parcs, narcs);
+
+ (*pBackingGC->ops->PolyFillArc)(pBackingDst, pBackingGC, narcs, parcs);
+
+ EPILOGUE(pGC);
+}
+
+static int
+cwPolyText8(DrawablePtr pDst, GCPtr pGC, int x, int y, int count, char *chars)
+{
+ int result;
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_XY_DST(x, y);
+
+ result = (*pBackingGC->ops->PolyText8)(pBackingDst, pBackingGC, x, y,
+ count, chars);
+
+ EPILOGUE(pGC);
+
+ return result;
+}
+
+static int
+cwPolyText16(DrawablePtr pDst, GCPtr pGC, int x, int y, int count,
+ unsigned short *chars)
+{
+ int result;
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_XY_DST(x, y);
+
+ result = (*pBackingGC->ops->PolyText16)(pBackingDst, pBackingGC, x, y,
+ count, chars);
+
+ EPILOGUE(pGC);
+ return result;
+}
+
+static void
+cwImageText8(DrawablePtr pDst, GCPtr pGC, int x, int y, int count, char *chars)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_XY_DST(x, y);
+
+ (*pBackingGC->ops->ImageText8)(pBackingDst, pBackingGC, x, y, count,
+ chars);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwImageText16(DrawablePtr pDst, GCPtr pGC, int x, int y, int count,
+ unsigned short *chars)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_XY_DST(x, y);
+
+ (*pBackingGC->ops->ImageText16)(pBackingDst, pBackingGC, x, y, count,
+ chars);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwImageGlyphBlt(DrawablePtr pDst, GCPtr pGC, int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_XY_DST(x, y);
+
+ (*pBackingGC->ops->ImageGlyphBlt)(pBackingDst, pBackingGC, x, y, nglyph,
+ ppci, pglyphBase);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwPolyGlyphBlt(DrawablePtr pDst, GCPtr pGC, int x, int y, unsigned int nglyph,
+ CharInfoPtr *ppci, pointer pglyphBase)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_XY_DST(x, y);
+
+ (*pBackingGC->ops->PolyGlyphBlt)(pBackingDst, pBackingGC, x, y, nglyph,
+ ppci, pglyphBase);
+
+ EPILOGUE(pGC);
+}
+
+static void
+cwPushPixels(GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDst, int w, int h,
+ int x, int y)
+{
+ SETUP_BACKING_DST(pDst, pGC);
+
+ PROLOGUE(pGC);
+
+ CW_OFFSET_XY_DST(x, y);
+
+ (*pBackingGC->ops->PushPixels)(pBackingGC, pBitMap, pBackingDst, w, h,
+ x, y);
+
+ EPILOGUE(pGC);
+}
+
diff --git a/xorg-server/miext/cw/cw_render.c b/xorg-server/miext/cw/cw_render.c
new file mode 100644
index 000000000..6e0c727c2
--- /dev/null
+++ b/xorg-server/miext/cw/cw_render.c
@@ -0,0 +1,472 @@
+/*
+ * Copyright © 2004 Eric Anholt
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Eric Anholt not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Eric Anholt makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <string.h>
+
+#include "gcstruct.h"
+#include "windowstr.h"
+#include "cw.h"
+
+#ifdef RENDER
+
+#define cwPsDecl(pScreen) \
+ PictureScreenPtr ps = GetPictureScreen (pScreen); \
+ cwScreenPtr pCwScreen = getCwScreen (pScreen)
+
+#define cwPicturePrivate \
+ cwPicturePtr pPicturePrivate = getCwPicture(pPicture)
+
+#define cwSrcPictureDecl \
+ int src_picture_x_off, src_picture_y_off; \
+ PicturePtr pBackingSrcPicture = cwGetBackingPicture(pSrcPicture, \
+ &src_picture_x_off,\
+ &src_picture_y_off)
+
+#define cwDstPictureDecl \
+ int dst_picture_x_off, dst_picture_y_off; \
+ PicturePtr pBackingDstPicture = cwGetBackingPicture(pDstPicture, \
+ &dst_picture_x_off,\
+ &dst_picture_y_off)
+
+#define cwMskPictureDecl \
+ int msk_picture_x_off = 0, msk_picture_y_off = 0; \
+ PicturePtr pBackingMskPicture = (!pMskPicture ? 0 : \
+ cwGetBackingPicture(pMskPicture, \
+ &msk_picture_x_off,\
+ &msk_picture_y_off))
+
+#define cwPsUnwrap(elt) { \
+ ps->elt = pCwScreen->elt; \
+}
+
+#define cwPsWrap(elt,func) { \
+ pCwScreen->elt = ps->elt; \
+ ps->elt = func; \
+}
+
+static cwPicturePtr
+cwCreatePicturePrivate (PicturePtr pPicture)
+{
+ WindowPtr pWindow = (WindowPtr) pPicture->pDrawable;
+ PixmapPtr pPixmap = getCwPixmap (pWindow);
+ int error;
+ cwPicturePtr pPicturePrivate;
+
+ pPicturePrivate = xalloc (sizeof (cwPictureRec));
+ if (!pPicturePrivate)
+ return NULL;
+
+ pPicturePrivate->pBackingPicture = CreatePicture (0, &pPixmap->drawable,
+ pPicture->pFormat,
+ 0, 0, serverClient,
+ &error);
+ if (!pPicturePrivate->pBackingPicture)
+ {
+ xfree (pPicturePrivate);
+ return NULL;
+ }
+
+ /*
+ * Ensure that this serial number does not match the window's
+ */
+ pPicturePrivate->serialNumber = pPixmap->drawable.serialNumber;
+ pPicturePrivate->stateChanges = (1 << (CPLastBit + 1)) - 1;
+
+ setCwPicture(pPicture, pPicturePrivate);
+
+ return pPicturePrivate;
+}
+
+static void
+cwDestroyPicturePrivate (PicturePtr pPicture)
+{
+ cwPicturePrivate;
+
+ if (pPicturePrivate)
+ {
+ if (pPicturePrivate->pBackingPicture)
+ FreePicture (pPicturePrivate->pBackingPicture, 0);
+ xfree (pPicturePrivate);
+ setCwPicture(pPicture, NULL);
+ }
+}
+
+static PicturePtr
+cwGetBackingPicture (PicturePtr pPicture, int *x_off, int *y_off)
+{
+ cwPicturePrivate;
+
+ if (pPicturePrivate)
+ {
+ DrawablePtr pDrawable = pPicture->pDrawable;
+ WindowPtr pWindow = (WindowPtr) pDrawable;
+ PixmapPtr pPixmap = getCwPixmap (pWindow);
+
+ *x_off = pDrawable->x - pPixmap->screen_x;
+ *y_off = pDrawable->y - pPixmap->screen_y;
+
+ return pPicturePrivate->pBackingPicture;
+ }
+ else
+ {
+ *x_off = *y_off = 0;
+ return pPicture;
+ }
+}
+
+static void
+cwDestroyPicture (PicturePtr pPicture)
+{
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+ cwPsDecl(pScreen);
+
+ cwPsUnwrap(DestroyPicture);
+ cwDestroyPicturePrivate (pPicture);
+ (*ps->DestroyPicture) (pPicture);
+ cwPsWrap(DestroyPicture, cwDestroyPicture);
+}
+
+static void
+cwChangePicture (PicturePtr pPicture, Mask mask)
+{
+ ScreenPtr pScreen = pPicture->pDrawable->pScreen;
+ cwPsDecl(pScreen);
+ cwPicturePtr pPicturePrivate = getCwPicture(pPicture);
+
+ cwPsUnwrap(ChangePicture);
+ (*ps->ChangePicture) (pPicture, mask);
+ if (pPicturePrivate)
+ pPicturePrivate->stateChanges |= mask;
+ cwPsWrap(ChangePicture, cwChangePicture);
+}
+
+
+static void
+cwValidatePicture (PicturePtr pPicture,
+ Mask mask)
+{
+ DrawablePtr pDrawable = pPicture->pDrawable;
+ ScreenPtr pScreen = pDrawable->pScreen;
+ cwPsDecl(pScreen);
+ cwPicturePrivate;
+
+ cwPsUnwrap(ValidatePicture);
+
+ /*
+ * Must call ValidatePicture to ensure pPicture->pCompositeClip is valid
+ */
+ (*ps->ValidatePicture) (pPicture, mask);
+
+ if (!cwDrawableIsRedirWindow (pDrawable))
+ {
+ if (pPicturePrivate)
+ cwDestroyPicturePrivate (pPicture);
+ }
+ else
+ {
+ PicturePtr pBackingPicture;
+ DrawablePtr pBackingDrawable;
+ int x_off, y_off;
+
+ pBackingDrawable = cwGetBackingDrawable(pDrawable, &x_off, &y_off);
+
+ if (pPicturePrivate &&
+ pPicturePrivate->pBackingPicture->pDrawable != pBackingDrawable)
+ {
+ cwDestroyPicturePrivate (pPicture);
+ pPicturePrivate = 0;
+ }
+
+ if (!pPicturePrivate)
+ {
+ pPicturePrivate = cwCreatePicturePrivate (pPicture);
+ if (!pPicturePrivate)
+ {
+ cwPsWrap(ValidatePicture, cwValidatePicture);
+ return;
+ }
+ }
+
+ pBackingPicture = pPicturePrivate->pBackingPicture;
+
+ /*
+ * Always copy transform and filters because there's no
+ * indication of when they've changed
+ */
+ SetPictureTransform(pBackingPicture, pPicture->transform);
+
+ if (pBackingPicture->filter != pPicture->filter ||
+ pPicture->filter_nparams > 0)
+ {
+ char *filter = PictureGetFilterName (pPicture->filter);
+
+ SetPictureFilter(pBackingPicture,
+ filter, strlen (filter),
+ pPicture->filter_params,
+ pPicture->filter_nparams);
+ }
+
+ pPicturePrivate->stateChanges |= mask;
+
+ if (pPicturePrivate->serialNumber != pDrawable->serialNumber ||
+ (pPicturePrivate->stateChanges & (CPClipXOrigin|CPClipYOrigin|CPClipMask)))
+ {
+ SetPictureClipRegion (pBackingPicture,
+ x_off - pDrawable->x,
+ y_off - pDrawable->y,
+ pPicture->pCompositeClip);
+
+ pPicturePrivate->serialNumber = pDrawable->serialNumber;
+ pPicturePrivate->stateChanges &= ~(CPClipXOrigin | CPClipYOrigin | CPClipMask);
+ }
+
+ CopyPicture(pPicture, pPicturePrivate->stateChanges, pBackingPicture);
+
+ ValidatePicture (pBackingPicture);
+ }
+ cwPsWrap(ValidatePicture, cwValidatePicture);
+}
+
+static void
+cwComposite (CARD8 op,
+ PicturePtr pSrcPicture,
+ PicturePtr pMskPicture,
+ PicturePtr pDstPicture,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMsk,
+ INT16 yMsk,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height)
+{
+ ScreenPtr pScreen = pDstPicture->pDrawable->pScreen;
+ cwPsDecl(pScreen);
+ cwSrcPictureDecl;
+ cwMskPictureDecl;
+ cwDstPictureDecl;
+
+ cwPsUnwrap(Composite);
+ (*ps->Composite) (op, pBackingSrcPicture, pBackingMskPicture, pBackingDstPicture,
+ xSrc + src_picture_x_off, ySrc + src_picture_y_off,
+ xMsk + msk_picture_x_off, yMsk + msk_picture_y_off,
+ xDst + dst_picture_x_off, yDst + dst_picture_y_off,
+ width, height);
+ cwPsWrap(Composite, cwComposite);
+}
+
+static void
+cwCompositeRects (CARD8 op,
+ PicturePtr pDstPicture,
+ xRenderColor *color,
+ int nRect,
+ xRectangle *rects)
+{
+ ScreenPtr pScreen = pDstPicture->pDrawable->pScreen;
+ cwPsDecl(pScreen);
+ cwDstPictureDecl;
+ int i;
+
+ cwPsUnwrap(CompositeRects);
+ for (i = 0; i < nRect; i++)
+ {
+ rects[i].x += dst_picture_x_off;
+ rects[i].y += dst_picture_y_off;
+ }
+ (*ps->CompositeRects) (op, pBackingDstPicture, color, nRect, rects);
+ cwPsWrap(CompositeRects, cwCompositeRects);
+}
+
+static void
+cwTrapezoids (CARD8 op,
+ PicturePtr pSrcPicture,
+ PicturePtr pDstPicture,
+ PictFormatPtr maskFormat,
+ INT16 xSrc,
+ INT16 ySrc,
+ int ntrap,
+ xTrapezoid *traps)
+{
+ ScreenPtr pScreen = pDstPicture->pDrawable->pScreen;
+ cwPsDecl(pScreen);
+ cwSrcPictureDecl;
+ cwDstPictureDecl;
+ int i;
+
+ cwPsUnwrap(Trapezoids);
+ if (dst_picture_x_off || dst_picture_y_off) {
+ for (i = 0; i < ntrap; i++)
+ {
+ traps[i].top += dst_picture_y_off << 16;
+ traps[i].bottom += dst_picture_y_off << 16;
+ traps[i].left.p1.x += dst_picture_x_off << 16;
+ traps[i].left.p1.y += dst_picture_y_off << 16;
+ traps[i].left.p2.x += dst_picture_x_off << 16;
+ traps[i].left.p2.y += dst_picture_y_off << 16;
+ traps[i].right.p1.x += dst_picture_x_off << 16;
+ traps[i].right.p1.y += dst_picture_y_off << 16;
+ traps[i].right.p2.x += dst_picture_x_off << 16;
+ traps[i].right.p2.y += dst_picture_y_off << 16;
+ }
+ }
+ (*ps->Trapezoids) (op, pBackingSrcPicture, pBackingDstPicture, maskFormat,
+ xSrc + src_picture_x_off, ySrc + src_picture_y_off,
+ ntrap, traps);
+ cwPsWrap(Trapezoids, cwTrapezoids);
+}
+
+static void
+cwTriangles (CARD8 op,
+ PicturePtr pSrcPicture,
+ PicturePtr pDstPicture,
+ PictFormatPtr maskFormat,
+ INT16 xSrc,
+ INT16 ySrc,
+ int ntri,
+ xTriangle *tris)
+{
+ ScreenPtr pScreen = pDstPicture->pDrawable->pScreen;
+ cwPsDecl(pScreen);
+ cwSrcPictureDecl;
+ cwDstPictureDecl;
+ int i;
+
+ cwPsUnwrap(Triangles);
+ if (dst_picture_x_off || dst_picture_y_off) {
+ for (i = 0; i < ntri; i++)
+ {
+ tris[i].p1.x += dst_picture_x_off << 16;
+ tris[i].p1.y += dst_picture_y_off << 16;
+ tris[i].p2.x += dst_picture_x_off << 16;
+ tris[i].p2.y += dst_picture_y_off << 16;
+ tris[i].p3.x += dst_picture_x_off << 16;
+ tris[i].p3.y += dst_picture_y_off << 16;
+ }
+ }
+ (*ps->Triangles) (op, pBackingSrcPicture, pBackingDstPicture, maskFormat,
+ xSrc + src_picture_x_off, ySrc + src_picture_y_off,
+ ntri, tris);
+ cwPsWrap(Triangles, cwTriangles);
+}
+
+static void
+cwTriStrip (CARD8 op,
+ PicturePtr pSrcPicture,
+ PicturePtr pDstPicture,
+ PictFormatPtr maskFormat,
+ INT16 xSrc,
+ INT16 ySrc,
+ int npoint,
+ xPointFixed *points)
+{
+ ScreenPtr pScreen = pDstPicture->pDrawable->pScreen;
+ cwPsDecl(pScreen);
+ cwSrcPictureDecl;
+ cwDstPictureDecl;
+ int i;
+
+ cwPsUnwrap(TriStrip);
+ if (dst_picture_x_off || dst_picture_y_off) {
+ for (i = 0; i < npoint; i++)
+ {
+ points[i].x += dst_picture_x_off << 16;
+ points[i].y += dst_picture_y_off << 16;
+ }
+ }
+ (*ps->TriStrip) (op, pBackingSrcPicture, pBackingDstPicture, maskFormat,
+ xSrc + src_picture_x_off, ySrc + src_picture_y_off,
+ npoint, points);
+ cwPsWrap(TriStrip, cwTriStrip);
+}
+
+static void
+cwTriFan (CARD8 op,
+ PicturePtr pSrcPicture,
+ PicturePtr pDstPicture,
+ PictFormatPtr maskFormat,
+ INT16 xSrc,
+ INT16 ySrc,
+ int npoint,
+ xPointFixed *points)
+{
+ ScreenPtr pScreen = pDstPicture->pDrawable->pScreen;
+ cwPsDecl(pScreen);
+ cwSrcPictureDecl;
+ cwDstPictureDecl;
+ int i;
+
+ cwPsUnwrap(TriFan);
+ if (dst_picture_x_off || dst_picture_y_off) {
+ for (i = 0; i < npoint; i++)
+ {
+ points[i].x += dst_picture_x_off << 16;
+ points[i].y += dst_picture_y_off << 16;
+ }
+ }
+ (*ps->TriFan) (op, pBackingSrcPicture, pBackingDstPicture, maskFormat,
+ xSrc + src_picture_x_off, ySrc + src_picture_y_off,
+ npoint, points);
+ cwPsWrap(TriFan, cwTriFan);
+}
+
+void
+cwInitializeRender (ScreenPtr pScreen)
+{
+ cwPsDecl (pScreen);
+
+ cwPsWrap(DestroyPicture, cwDestroyPicture);
+ cwPsWrap(ChangePicture, cwChangePicture);
+ cwPsWrap(ValidatePicture, cwValidatePicture);
+ cwPsWrap(Composite, cwComposite);
+ cwPsWrap(CompositeRects, cwCompositeRects);
+ cwPsWrap(Trapezoids, cwTrapezoids);
+ cwPsWrap(Triangles, cwTriangles);
+ cwPsWrap(TriStrip, cwTriStrip);
+ cwPsWrap(TriFan, cwTriFan);
+ /* There is no need to wrap AddTraps as far as we can tell. AddTraps can
+ * only be done on alpha-only pictures, and we won't be getting
+ * alpha-only window pictures, so there's no need to translate.
+ */
+}
+
+void
+cwFiniRender (ScreenPtr pScreen)
+{
+ cwPsDecl (pScreen);
+
+ cwPsUnwrap(DestroyPicture);
+ cwPsUnwrap(ChangePicture);
+ cwPsUnwrap(ValidatePicture);
+ cwPsUnwrap(Composite);
+ cwPsUnwrap(CompositeRects);
+ cwPsUnwrap(Trapezoids);
+ cwPsUnwrap(Triangles);
+ cwPsUnwrap(TriStrip);
+ cwPsUnwrap(TriFan);
+}
+
+#endif /* RENDER */