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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/shadowfb
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Checked in the following released items:
xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/hw/xfree86/shadowfb')
-rw-r--r--xorg-server/hw/xfree86/shadowfb/Makefile.am9
-rw-r--r--xorg-server/hw/xfree86/shadowfb/Makefile.in701
-rw-r--r--xorg-server/hw/xfree86/shadowfb/sfbmodule.c21
-rw-r--r--xorg-server/hw/xfree86/shadowfb/shadow.c1746
-rw-r--r--xorg-server/hw/xfree86/shadowfb/shadowfb.h43
5 files changed, 2520 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/shadowfb/Makefile.am b/xorg-server/hw/xfree86/shadowfb/Makefile.am
new file mode 100644
index 000000000..02d2dd4ea
--- /dev/null
+++ b/xorg-server/hw/xfree86/shadowfb/Makefile.am
@@ -0,0 +1,9 @@
+module_LTLIBRARIES = libshadowfb.la
+libshadowfb_la_LDFLAGS = -avoid-version
+libshadowfb_la_SOURCES = sfbmodule.c shadow.c
+
+sdk_HEADERS = shadowfb.h
+
+INCLUDES = $(XORG_INCS)
+
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
diff --git a/xorg-server/hw/xfree86/shadowfb/Makefile.in b/xorg-server/hw/xfree86/shadowfb/Makefile.in
new file mode 100644
index 000000000..ad684bff8
--- /dev/null
+++ b/xorg-server/hw/xfree86/shadowfb/Makefile.in
@@ -0,0 +1,701 @@
+# 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
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+
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+xpconfigdir = @xpconfigdir@
+module_LTLIBRARIES = libshadowfb.la
+libshadowfb_la_LDFLAGS = -avoid-version
+libshadowfb_la_SOURCES = sfbmodule.c shadow.c
+sdk_HEADERS = shadowfb.h
+INCLUDES = $(XORG_INCS)
+AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS)
+all: all-am
+
+.SUFFIXES:
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+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
+ *$$dep*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh \
+ && exit 0; \
+ exit 1;; \
+ esac; \
+ done; \
+ echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign hw/xfree86/shadowfb/Makefile'; \
+ cd $(top_srcdir) && \
+ $(AUTOMAKE) --foreign hw/xfree86/shadowfb/Makefile
+.PRECIOUS: Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+ @case '$?' in \
+ *config.status*) \
+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+ *) \
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+
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+ cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+ @$(NORMAL_INSTALL)
+ test -z "$(moduledir)" || $(MKDIR_P) "$(DESTDIR)$(moduledir)"
+ @list='$(module_LTLIBRARIES)'; for p in $$list; do \
+ if test -f $$p; then \
+ f=$(am__strip_dir) \
+ echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(moduleLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) '$$p' '$(DESTDIR)$(moduledir)/$$f'"; \
+ $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(moduleLTLIBRARIES_INSTALL) $(INSTALL_STRIP_FLAG) "$$p" "$(DESTDIR)$(moduledir)/$$f"; \
+ else :; fi; \
+ done
+
+uninstall-moduleLTLIBRARIES:
+ @$(NORMAL_UNINSTALL)
+ @list='$(module_LTLIBRARIES)'; for p in $$list; do \
+ p=$(am__strip_dir) \
+ echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(moduledir)/$$p'"; \
+ $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(moduledir)/$$p"; \
+ done
+
+clean-moduleLTLIBRARIES:
+ -test -z "$(module_LTLIBRARIES)" || rm -f $(module_LTLIBRARIES)
+ @list='$(module_LTLIBRARIES)'; for p in $$list; do \
+ dir="`echo $$p | sed -e 's|/[^/]*$$||'`"; \
+ test "$$dir" != "$$p" || dir=.; \
+ echo "rm -f \"$${dir}/so_locations\""; \
+ rm -f "$${dir}/so_locations"; \
+ done
+libshadowfb.la: $(libshadowfb_la_OBJECTS) $(libshadowfb_la_DEPENDENCIES)
+ $(libshadowfb_la_LINK) -rpath $(moduledir) $(libshadowfb_la_OBJECTS) $(libshadowfb_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+ -rm -f *.$(OBJEXT)
+
+distclean-compile:
+ -rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sfbmodule.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/shadow.Plo@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@ $(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
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+
+.c.obj:
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+@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
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+
+.c.lo:
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+@am__fastdepCC_TRUE@ mv -f $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@ source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@ $(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+install-sdkHEADERS: $(sdk_HEADERS)
+ @$(NORMAL_INSTALL)
+ test -z "$(sdkdir)" || $(MKDIR_P) "$(DESTDIR)$(sdkdir)"
+ @list='$(sdk_HEADERS)'; for p in $$list; do \
+ if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+ f=$(am__strip_dir) \
+ echo " $(sdkHEADERS_INSTALL) '$$d$$p' '$(DESTDIR)$(sdkdir)/$$f'"; \
+ $(sdkHEADERS_INSTALL) "$$d$$p" "$(DESTDIR)$(sdkdir)/$$f"; \
+ done
+
+uninstall-sdkHEADERS:
+ @$(NORMAL_UNINSTALL)
+ @list='$(sdk_HEADERS)'; for p in $$list; do \
+ f=$(am__strip_dir) \
+ echo " rm -f '$(DESTDIR)$(sdkdir)/$$f'"; \
+ rm -f "$(DESTDIR)$(sdkdir)/$$f"; \
+ done
+
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+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
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+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ mkid -fID $$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 | \
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+ 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 | \
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+
+GTAGS:
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+ && cd $(top_srcdir) \
+ && gtags -i $(GTAGS_ARGS) $$here
+
+distclean-tags:
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+
+distdir: $(DISTFILES)
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+ -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
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+ install_sh_PROGRAM="$(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 $(CONFIG_CLEAN_FILES)
+
+maintainer-clean-generic:
+ @echo "This command is intended for maintainers to use"
+ @echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-moduleLTLIBRARIES \
+ mostlyclean-am
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+distclean: distclean-am
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+distclean-am: clean-am distclean-compile distclean-generic \
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+dvi: dvi-am
+
+dvi-am:
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+
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+
+maintainer-clean: maintainer-clean-am
+ -rm -rf ./$(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:
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+ps: ps-am
+
+ps-am:
+
+uninstall-am: uninstall-moduleLTLIBRARIES uninstall-sdkHEADERS
+
+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
+ clean-libtool clean-moduleLTLIBRARIES 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 \
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+ tags uninstall uninstall-am uninstall-moduleLTLIBRARIES \
+ uninstall-sdkHEADERS
+
+# 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/hw/xfree86/shadowfb/sfbmodule.c b/xorg-server/hw/xfree86/shadowfb/sfbmodule.c
new file mode 100644
index 000000000..ec37a1f8f
--- /dev/null
+++ b/xorg-server/hw/xfree86/shadowfb/sfbmodule.c
@@ -0,0 +1,21 @@
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86Module.h"
+
+static XF86ModuleVersionInfo VersRec =
+{
+ "shadowfb",
+ MODULEVENDORSTRING,
+ MODINFOSTRING1,
+ MODINFOSTRING2,
+ XORG_VERSION_CURRENT,
+ 1, 0, 0,
+ ABI_CLASS_ANSIC, /* Only need the ansic layer */
+ ABI_ANSIC_VERSION,
+ MOD_CLASS_NONE,
+ {0,0,0,0} /* signature, to be patched into the file by a tool */
+};
+
+_X_EXPORT XF86ModuleData shadowfbModuleData = { &VersRec, NULL, NULL };
diff --git a/xorg-server/hw/xfree86/shadowfb/shadow.c b/xorg-server/hw/xfree86/shadowfb/shadow.c
new file mode 100644
index 000000000..74beefb67
--- /dev/null
+++ b/xorg-server/hw/xfree86/shadowfb/shadow.c
@@ -0,0 +1,1746 @@
+/*
+ Copyright (C) 1999. The XFree86 Project Inc.
+
+ Written by Mark Vojkovich (mvojkovi@ucsd.edu)
+
+ Pre-fb-write callbacks and RENDER support - Nolan Leake (nolan@vmware.com)
+*/
+
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "misc.h"
+#include "pixmapstr.h"
+#include "input.h"
+#include <X11/fonts/font.h>
+#include "mi.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "gcstruct.h"
+#include "dixfontstr.h"
+#include <X11/fonts/fontstruct.h>
+#include "xf86.h"
+#include "xf86str.h"
+#include "shadowfb.h"
+
+#ifdef RENDER
+# include "picturestr.h"
+#endif
+
+#define MIN(a,b) (((a)<(b))?(a):(b))
+#define MAX(a,b) (((a)>(b))?(a):(b))
+
+static Bool ShadowCloseScreen (int i, ScreenPtr pScreen);
+static void ShadowCopyWindow(
+ WindowPtr pWin,
+ DDXPointRec ptOldOrg,
+ RegionPtr prgn
+);
+static Bool ShadowCreateGC(GCPtr pGC);
+static Bool ShadowModifyPixmapHeader(
+ PixmapPtr pPixmap,
+ int width,
+ int height,
+ int depth,
+ int bitsPerPixel,
+ int devKind,
+ pointer pPixData
+);
+
+static Bool ShadowEnterVT(int index, int flags);
+static void ShadowLeaveVT(int index, int flags);
+
+#ifdef RENDER
+static void ShadowComposite(
+ CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pMask,
+ PicturePtr pDst,
+ INT16 xSrc,
+ INT16 ySrc,
+ INT16 xMask,
+ INT16 yMask,
+ INT16 xDst,
+ INT16 yDst,
+ CARD16 width,
+ CARD16 height
+);
+#endif /* RENDER */
+
+
+typedef struct {
+ ScrnInfoPtr pScrn;
+ RefreshAreaFuncPtr preRefresh;
+ RefreshAreaFuncPtr postRefresh;
+ CloseScreenProcPtr CloseScreen;
+ CopyWindowProcPtr CopyWindow;
+ CreateGCProcPtr CreateGC;
+ ModifyPixmapHeaderProcPtr ModifyPixmapHeader;
+#ifdef RENDER
+ CompositeProcPtr Composite;
+#endif /* RENDER */
+ Bool (*EnterVT)(int, int);
+ void (*LeaveVT)(int, int);
+ Bool vtSema;
+} ShadowScreenRec, *ShadowScreenPtr;
+
+typedef struct {
+ GCOps *ops;
+ GCFuncs *funcs;
+} ShadowGCRec, *ShadowGCPtr;
+
+
+static DevPrivateKey ShadowScreenKey = &ShadowScreenKey;
+static DevPrivateKey ShadowGCKey = &ShadowGCKey;
+
+#define GET_SCREEN_PRIVATE(pScreen) \
+ (ShadowScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates, ShadowScreenKey)
+#define GET_GC_PRIVATE(pGC) \
+ (ShadowGCPtr)dixLookupPrivate(&(pGC)->devPrivates, ShadowGCKey);
+
+#define SHADOW_GC_FUNC_PROLOGUE(pGC)\
+ ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);\
+ (pGC)->funcs = pGCPriv->funcs;\
+ if(pGCPriv->ops)\
+ (pGC)->ops = pGCPriv->ops
+
+#define SHADOW_GC_FUNC_EPILOGUE(pGC)\
+ pGCPriv->funcs = (pGC)->funcs;\
+ (pGC)->funcs = &ShadowGCFuncs;\
+ if(pGCPriv->ops) {\
+ pGCPriv->ops = (pGC)->ops;\
+ (pGC)->ops = &ShadowGCOps;\
+ }
+
+#define SHADOW_GC_OP_PROLOGUE(pGC)\
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pGC->pScreen); \
+ ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);\
+ GCFuncs *oldFuncs = pGC->funcs;\
+ pGC->funcs = pGCPriv->funcs;\
+ pGC->ops = pGCPriv->ops
+
+
+#define SHADOW_GC_OP_EPILOGUE(pGC)\
+ pGCPriv->ops = pGC->ops;\
+ pGC->funcs = oldFuncs;\
+ pGC->ops = &ShadowGCOps
+
+#define IS_VISIBLE(pWin) (pPriv->vtSema && \
+ (((WindowPtr)pWin)->visibility != VisibilityFullyObscured))
+
+#define TRIM_BOX(box, pGC) { \
+ BoxPtr extents = &pGC->pCompositeClip->extents;\
+ if(box.x1 < extents->x1) box.x1 = extents->x1; \
+ if(box.x2 > extents->x2) box.x2 = extents->x2; \
+ if(box.y1 < extents->y1) box.y1 = extents->y1; \
+ if(box.y2 > extents->y2) box.y2 = extents->y2; \
+ }
+
+#define TRANSLATE_BOX(box, pDraw) { \
+ box.x1 += pDraw->x; \
+ box.x2 += pDraw->x; \
+ box.y1 += pDraw->y; \
+ box.y2 += pDraw->y; \
+ }
+
+#define TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC) { \
+ TRANSLATE_BOX(box, pDraw); \
+ TRIM_BOX(box, pGC); \
+ }
+
+#define BOX_NOT_EMPTY(box) \
+ (((box.x2 - box.x1) > 0) && ((box.y2 - box.y1) > 0))
+
+
+
+Bool
+ShadowFBInit2 (
+ ScreenPtr pScreen,
+ RefreshAreaFuncPtr preRefreshArea,
+ RefreshAreaFuncPtr postRefreshArea
+){
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ ShadowScreenPtr pPriv;
+#ifdef RENDER
+ PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
+#endif /* RENDER */
+
+ if(!preRefreshArea && !postRefreshArea) return FALSE;
+
+ if(!dixRequestPrivate(ShadowGCKey, sizeof(ShadowGCRec)))
+ return FALSE;
+
+ if(!(pPriv = (ShadowScreenPtr)xalloc(sizeof(ShadowScreenRec))))
+ return FALSE;
+
+ dixSetPrivate(&pScreen->devPrivates, ShadowScreenKey, pPriv);
+
+ pPriv->pScrn = pScrn;
+ pPriv->preRefresh = preRefreshArea;
+ pPriv->postRefresh = postRefreshArea;
+ pPriv->vtSema = TRUE;
+
+ pPriv->CloseScreen = pScreen->CloseScreen;
+ pPriv->CopyWindow = pScreen->CopyWindow;
+ pPriv->CreateGC = pScreen->CreateGC;
+ pPriv->ModifyPixmapHeader = pScreen->ModifyPixmapHeader;
+
+ pPriv->EnterVT = pScrn->EnterVT;
+ pPriv->LeaveVT = pScrn->LeaveVT;
+
+ pScreen->CloseScreen = ShadowCloseScreen;
+ pScreen->CopyWindow = ShadowCopyWindow;
+ pScreen->CreateGC = ShadowCreateGC;
+ pScreen->ModifyPixmapHeader = ShadowModifyPixmapHeader;
+
+ pScrn->EnterVT = ShadowEnterVT;
+ pScrn->LeaveVT = ShadowLeaveVT;
+
+#ifdef RENDER
+ if(ps) {
+ pPriv->Composite = ps->Composite;
+ ps->Composite = ShadowComposite;
+ }
+#endif /* RENDER */
+
+ return TRUE;
+}
+
+Bool
+ShadowFBInit (
+ ScreenPtr pScreen,
+ RefreshAreaFuncPtr refreshArea
+){
+ return ShadowFBInit2(pScreen, NULL, refreshArea);
+}
+
+/**********************************************************/
+
+static Bool
+ShadowEnterVT(int index, int flags)
+{
+ ScrnInfoPtr pScrn = xf86Screens[index];
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScrn->pScreen);
+
+ if((*pPriv->EnterVT)(index, flags)) {
+ pPriv->vtSema = TRUE;
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static void
+ShadowLeaveVT(int index, int flags)
+{
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(xf86Screens[index]->pScreen);
+
+ pPriv->vtSema = FALSE;
+
+ (*pPriv->LeaveVT)(index, flags);
+}
+
+/**********************************************************/
+
+
+static Bool
+ShadowCloseScreen (int i, ScreenPtr pScreen)
+{
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
+#ifdef RENDER
+ PictureScreenPtr ps = GetPictureScreenIfSet(pScreen);
+#endif /* RENDER */
+
+ pScreen->CloseScreen = pPriv->CloseScreen;
+ pScreen->CopyWindow = pPriv->CopyWindow;
+ pScreen->CreateGC = pPriv->CreateGC;
+ pScreen->ModifyPixmapHeader = pPriv->ModifyPixmapHeader;
+
+ pScrn->EnterVT = pPriv->EnterVT;
+ pScrn->LeaveVT = pPriv->LeaveVT;
+
+#ifdef RENDER
+ if(ps) {
+ ps->Composite = pPriv->Composite;
+ }
+#endif /* RENDER */
+
+ xfree((pointer)pPriv);
+
+ return (*pScreen->CloseScreen) (i, pScreen);
+}
+
+static void
+ShadowCopyWindow(
+ WindowPtr pWin,
+ DDXPointRec ptOldOrg,
+ RegionPtr prgn
+){
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
+ int num = 0;
+ RegionRec rgnDst;
+
+ if (pPriv->vtSema) {
+ REGION_NULL(pWin->drawable.pScreen, &rgnDst);
+ REGION_COPY(pWin->drawable.pScreen, &rgnDst, prgn);
+
+ REGION_TRANSLATE(pWin->drawable.pScreen, &rgnDst,
+ pWin->drawable.x - ptOldOrg.x,
+ pWin->drawable.y - ptOldOrg.y);
+ REGION_INTERSECT(pScreen, &rgnDst, &pWin->borderClip, &rgnDst);
+ if ((num = REGION_NUM_RECTS(&rgnDst))) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, num, REGION_RECTS(&rgnDst));
+ } else {
+ REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
+ }
+ }
+
+ pScreen->CopyWindow = pPriv->CopyWindow;
+ (*pScreen->CopyWindow) (pWin, ptOldOrg, prgn);
+ pScreen->CopyWindow = ShadowCopyWindow;
+
+ if (num) {
+ if (pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, num, REGION_RECTS(&rgnDst));
+ REGION_UNINIT(pWin->drawable.pScreen, &rgnDst);
+ }
+}
+
+static Bool
+ShadowModifyPixmapHeader(
+ PixmapPtr pPixmap,
+ int width,
+ int height,
+ int depth,
+ int bitsPerPixel,
+ int devKind,
+ pointer pPixData
+)
+{
+ ScreenPtr pScreen;
+ ScrnInfoPtr pScrn;
+ ShadowScreenPtr pPriv;
+ Bool retval;
+ PixmapPtr pScreenPix;
+
+ if (!pPixmap)
+ return FALSE;
+
+ pScreen = pPixmap->drawable.pScreen;
+ pScrn = xf86Screens[pScreen->myNum];
+
+ pScreenPix = (*pScreen->GetScreenPixmap)(pScreen);
+
+ if (pPixmap == pScreenPix && !pScrn->vtSema)
+ pScreenPix->devPrivate = pScrn->pixmapPrivate;
+
+ pPriv = GET_SCREEN_PRIVATE(pScreen);
+
+ pScreen->ModifyPixmapHeader = pPriv->ModifyPixmapHeader;
+ retval = (*pScreen->ModifyPixmapHeader)(pPixmap,
+ width, height, depth, bitsPerPixel, devKind, pPixData);
+ pScreen->ModifyPixmapHeader = ShadowModifyPixmapHeader;
+
+ if (pPixmap == pScreenPix && !pScrn->vtSema)
+ {
+ pScrn->pixmapPrivate = pScreenPix->devPrivate;
+ pScreenPix->devPrivate.ptr = 0;
+ }
+ return retval;
+}
+
+#ifdef RENDER
+static void
+ShadowComposite(
+ 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;
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ BoxRec box;
+ BoxPtr extents;
+ Bool boxNotEmpty = FALSE;
+
+ if (pPriv->vtSema
+ && pDst->pDrawable->type == DRAWABLE_WINDOW) {
+
+ box.x1 = pDst->pDrawable->x + xDst;
+ box.y1 = pDst->pDrawable->y + yDst;
+ box.x2 = box.x1 + width;
+ box.y2 = box.y1 + height;
+
+ extents = &pDst->pCompositeClip->extents;
+ if(box.x1 < extents->x1) box.x1 = extents->x1;
+ if(box.x2 > extents->x2) box.x2 = extents->x2;
+ if(box.y1 < extents->y1) box.y1 = extents->y1;
+ if(box.y2 > extents->y2) box.y2 = extents->y2;
+
+ if (BOX_NOT_EMPTY(box)) {
+ if (pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ ps->Composite = pPriv->Composite;
+ (*ps->Composite)(op, pSrc, pMask, pDst, xSrc, ySrc,
+ xMask, yMask, xDst, yDst, width, height);
+ ps->Composite = ShadowComposite;
+
+ if (pPriv->postRefresh && boxNotEmpty) {
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+ }
+}
+#endif /* RENDER */
+
+/**********************************************************/
+
+static void ShadowValidateGC(GCPtr, unsigned long, DrawablePtr);
+static void ShadowChangeGC(GCPtr, unsigned long);
+static void ShadowCopyGC(GCPtr, unsigned long, GCPtr);
+static void ShadowDestroyGC(GCPtr);
+static void ShadowChangeClip(GCPtr, int, pointer, int);
+static void ShadowDestroyClip(GCPtr);
+static void ShadowCopyClip(GCPtr, GCPtr);
+
+GCFuncs ShadowGCFuncs = {
+ ShadowValidateGC, ShadowChangeGC, ShadowCopyGC, ShadowDestroyGC,
+ ShadowChangeClip, ShadowDestroyClip, ShadowCopyClip
+};
+
+
+extern GCOps ShadowGCOps;
+
+static Bool
+ShadowCreateGC(GCPtr pGC)
+{
+ ScreenPtr pScreen = pGC->pScreen;
+ ShadowScreenPtr pPriv = GET_SCREEN_PRIVATE(pScreen);
+ ShadowGCPtr pGCPriv = GET_GC_PRIVATE(pGC);
+ Bool ret;
+
+ pScreen->CreateGC = pPriv->CreateGC;
+ if((ret = (*pScreen->CreateGC) (pGC))) {
+ pGCPriv->ops = NULL;
+ pGCPriv->funcs = pGC->funcs;
+ pGC->funcs = &ShadowGCFuncs;
+ }
+ pScreen->CreateGC = ShadowCreateGC;
+
+ return ret;
+}
+
+
+static void
+ShadowValidateGC(
+ GCPtr pGC,
+ unsigned long changes,
+ DrawablePtr pDraw
+){
+ SHADOW_GC_FUNC_PROLOGUE (pGC);
+ (*pGC->funcs->ValidateGC)(pGC, changes, pDraw);
+ if(pDraw->type == DRAWABLE_WINDOW)
+ pGCPriv->ops = pGC->ops; /* just so it's not NULL */
+ else
+ pGCPriv->ops = NULL;
+ SHADOW_GC_FUNC_EPILOGUE (pGC);
+}
+
+
+static void
+ShadowDestroyGC(GCPtr pGC)
+{
+ SHADOW_GC_FUNC_PROLOGUE (pGC);
+ (*pGC->funcs->DestroyGC)(pGC);
+ SHADOW_GC_FUNC_EPILOGUE (pGC);
+}
+
+static void
+ShadowChangeGC (
+ GCPtr pGC,
+ unsigned long mask
+){
+ SHADOW_GC_FUNC_PROLOGUE (pGC);
+ (*pGC->funcs->ChangeGC) (pGC, mask);
+ SHADOW_GC_FUNC_EPILOGUE (pGC);
+}
+
+static void
+ShadowCopyGC (
+ GCPtr pGCSrc,
+ unsigned long mask,
+ GCPtr pGCDst
+){
+ SHADOW_GC_FUNC_PROLOGUE (pGCDst);
+ (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst);
+ SHADOW_GC_FUNC_EPILOGUE (pGCDst);
+}
+
+static void
+ShadowChangeClip (
+ GCPtr pGC,
+ int type,
+ pointer pvalue,
+ int nrects
+){
+ SHADOW_GC_FUNC_PROLOGUE (pGC);
+ (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects);
+ SHADOW_GC_FUNC_EPILOGUE (pGC);
+}
+
+static void
+ShadowCopyClip(GCPtr pgcDst, GCPtr pgcSrc)
+{
+ SHADOW_GC_FUNC_PROLOGUE (pgcDst);
+ (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc);
+ SHADOW_GC_FUNC_EPILOGUE (pgcDst);
+}
+
+static void
+ShadowDestroyClip(GCPtr pGC)
+{
+ SHADOW_GC_FUNC_PROLOGUE (pGC);
+ (* pGC->funcs->DestroyClip)(pGC);
+ SHADOW_GC_FUNC_EPILOGUE (pGC);
+}
+
+
+
+
+/**********************************************************/
+
+
+static void
+ShadowFillSpans(
+ DrawablePtr pDraw,
+ GC *pGC,
+ int nInit,
+ DDXPointPtr pptInit,
+ int *pwidthInit,
+ int fSorted
+){
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && nInit) {
+ DDXPointPtr ppt = pptInit;
+ int *pwidth = pwidthInit;
+ int i = nInit;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ box.x1 = ppt->x;
+ box.x2 = box.x1 + *pwidth;
+ box.y2 = box.y1 = ppt->y;
+
+ while(--i) {
+ ppt++;
+ pwidth++;
+ if(box.x1 > ppt->x) box.x1 = ppt->x;
+ if(box.x2 < (ppt->x + *pwidth))
+ box.x2 = ppt->x + *pwidth;
+ if(box.y1 > ppt->y) box.y1 = ppt->y;
+ else if(box.y2 < ppt->y) box.y2 = ppt->y;
+ }
+
+ box.y2++;
+
+ if(!pGC->miTranslate) {
+ TRANSLATE_BOX(box, pDraw);
+ }
+ TRIM_BOX(box, pGC);
+
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+
+ (*pGC->ops->FillSpans)(pDraw, pGC, nInit, pptInit, pwidthInit, fSorted);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+ } else
+ (*pGC->ops->FillSpans)(pDraw, pGC, nInit, pptInit, pwidthInit, fSorted);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowSetSpans(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ char *pcharsrc,
+ DDXPointPtr pptInit,
+ int *pwidthInit,
+ int nspans,
+ int fSorted
+){
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && nspans) {
+ DDXPointPtr ppt = pptInit;
+ int *pwidth = pwidthInit;
+ int i = nspans;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ box.x1 = ppt->x;
+ box.x2 = box.x1 + *pwidth;
+ box.y2 = box.y1 = ppt->y;
+
+ while(--i) {
+ ppt++;
+ pwidth++;
+ if(box.x1 > ppt->x) box.x1 = ppt->x;
+ if(box.x2 < (ppt->x + *pwidth))
+ box.x2 = ppt->x + *pwidth;
+ if(box.y1 > ppt->y) box.y1 = ppt->y;
+ else if(box.y2 < ppt->y) box.y2 = ppt->y;
+ }
+
+ box.y2++;
+
+ if(!pGC->miTranslate) {
+ TRANSLATE_BOX(box, pDraw);
+ }
+ TRIM_BOX(box, pGC);
+
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+
+ (*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, pptInit,
+ pwidthInit, nspans, fSorted);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+ } else
+ (*pGC->ops->SetSpans)(pDraw, pGC, pcharsrc, pptInit,
+ pwidthInit, nspans, fSorted);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPutImage(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int depth,
+ int x, int y, int w, int h,
+ int leftPad,
+ int format,
+ char *pImage
+){
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw)) {
+ box.x1 = x + pDraw->x;
+ box.x2 = box.x1 + w;
+ box.y1 = y + pDraw->y;
+ box.y2 = box.y1 + h;
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PutImage)(pDraw, pGC, depth, x, y, w, h,
+ leftPad, format, pImage);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+}
+
+static RegionPtr
+ShadowCopyArea(
+ DrawablePtr pSrc,
+ DrawablePtr pDst,
+ GC *pGC,
+ int srcx, int srcy,
+ int width, int height,
+ int dstx, int dsty
+){
+ RegionPtr ret;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDst)) {
+ box.x1 = dstx + pDst->x;
+ box.x2 = box.x1 + width;
+ box.y1 = dsty + pDst->y;
+ box.y2 = box.y1 + height;
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ ret = (*pGC->ops->CopyArea)(pSrc, pDst,
+ pGC, srcx, srcy, width, height, dstx, dsty);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+ return ret;
+}
+
+static RegionPtr
+ShadowCopyPlane(
+ DrawablePtr pSrc,
+ DrawablePtr pDst,
+ GCPtr pGC,
+ int srcx, int srcy,
+ int width, int height,
+ int dstx, int dsty,
+ unsigned long bitPlane
+){
+ RegionPtr ret;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDst)) {
+ box.x1 = dstx + pDst->x;
+ box.x2 = box.x1 + width;
+ box.y1 = dsty + pDst->y;
+ box.y2 = box.y1 + height;
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ ret = (*pGC->ops->CopyPlane)(pSrc, pDst,
+ pGC, srcx, srcy, width, height, dstx, dsty, bitPlane);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+ return ret;
+}
+
+static void
+ShadowPolyPoint(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int mode,
+ int nptInit,
+ xPoint *pptInit
+){
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && nptInit) {
+ xPoint *ppt = pptInit;
+ int npt = nptInit;
+
+ box.x2 = box.x1 = pptInit->x;
+ box.y2 = box.y1 = pptInit->y;
+
+ /* this could be slow if the points were spread out */
+
+ while(--npt) {
+ ppt++;
+ if(box.x1 > ppt->x) box.x1 = ppt->x;
+ else if(box.x2 < ppt->x) box.x2 = ppt->x;
+ if(box.y1 > ppt->y) box.y1 = ppt->y;
+ else if(box.y2 < ppt->y) box.y2 = ppt->y;
+ }
+
+ box.x2++;
+ box.y2++;
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PolyPoint)(pDraw, pGC, mode, nptInit, pptInit);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPolylines(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int mode,
+ int nptInit,
+ DDXPointPtr pptInit
+){
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && nptInit) {
+ DDXPointPtr ppt = pptInit;
+ int npt = nptInit;
+ int extra = pGC->lineWidth >> 1;
+
+ box.x2 = box.x1 = pptInit->x;
+ box.y2 = box.y1 = pptInit->y;
+
+ if(npt > 1) {
+ if(pGC->joinStyle == JoinMiter)
+ extra = 6 * pGC->lineWidth;
+ else if(pGC->capStyle == CapProjecting)
+ extra = pGC->lineWidth;
+ }
+
+ if(mode == CoordModePrevious) {
+ int x = box.x1;
+ int y = box.y1;
+ while(--npt) {
+ ppt++;
+ x += ppt->x;
+ y += ppt->y;
+ if(box.x1 > x) box.x1 = x;
+ else if(box.x2 < x) box.x2 = x;
+ if(box.y1 > y) box.y1 = y;
+ else if(box.y2 < y) box.y2 = y;
+ }
+ } else {
+ while(--npt) {
+ ppt++;
+ if(box.x1 > ppt->x) box.x1 = ppt->x;
+ else if(box.x2 < ppt->x) box.x2 = ppt->x;
+ if(box.y1 > ppt->y) box.y1 = ppt->y;
+ else if(box.y2 < ppt->y) box.y2 = ppt->y;
+ }
+ }
+
+ box.x2++;
+ box.y2++;
+
+ if(extra) {
+ box.x1 -= extra;
+ box.x2 += extra;
+ box.y1 -= extra;
+ box.y2 += extra;
+ }
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->Polylines)(pDraw, pGC, mode, nptInit, pptInit);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPolySegment(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int nsegInit,
+ xSegment *pSegInit
+){
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && nsegInit) {
+ int extra = pGC->lineWidth;
+ xSegment *pSeg = pSegInit;
+ int nseg = nsegInit;
+
+ if(pGC->capStyle != CapProjecting)
+ extra >>= 1;
+
+ if(pSeg->x2 > pSeg->x1) {
+ box.x1 = pSeg->x1;
+ box.x2 = pSeg->x2;
+ } else {
+ box.x2 = pSeg->x1;
+ box.x1 = pSeg->x2;
+ }
+
+ if(pSeg->y2 > pSeg->y1) {
+ box.y1 = pSeg->y1;
+ box.y2 = pSeg->y2;
+ } else {
+ box.y2 = pSeg->y1;
+ box.y1 = pSeg->y2;
+ }
+
+ while(--nseg) {
+ pSeg++;
+ if(pSeg->x2 > pSeg->x1) {
+ if(pSeg->x1 < box.x1) box.x1 = pSeg->x1;
+ if(pSeg->x2 > box.x2) box.x2 = pSeg->x2;
+ } else {
+ if(pSeg->x2 < box.x1) box.x1 = pSeg->x2;
+ if(pSeg->x1 > box.x2) box.x2 = pSeg->x1;
+ }
+ if(pSeg->y2 > pSeg->y1) {
+ if(pSeg->y1 < box.y1) box.y1 = pSeg->y1;
+ if(pSeg->y2 > box.y2) box.y2 = pSeg->y2;
+ } else {
+ if(pSeg->y2 < box.y1) box.y1 = pSeg->y2;
+ if(pSeg->y1 > box.y2) box.y2 = pSeg->y1;
+ }
+ }
+
+ box.x2++;
+ box.y2++;
+
+ if(extra) {
+ box.x1 -= extra;
+ box.x2 += extra;
+ box.y1 -= extra;
+ box.y2 += extra;
+ }
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PolySegment)(pDraw, pGC, nsegInit, pSegInit);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPolyRectangle(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int nRectsInit,
+ xRectangle *pRectsInit
+){
+ BoxRec box;
+ BoxPtr pBoxInit = NULL;
+ Bool boxNotEmpty = FALSE;
+ int num = 0;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && nRectsInit) {
+ xRectangle *pRects = pRectsInit;
+ int nRects = nRectsInit;
+
+ if(nRects >= 32) {
+ int extra = pGC->lineWidth >> 1;
+
+ box.x1 = pRects->x;
+ box.x2 = box.x1 + pRects->width;
+ box.y1 = pRects->y;
+ box.y2 = box.y1 + pRects->height;
+
+ while(--nRects) {
+ pRects++;
+ if(box.x1 > pRects->x) box.x1 = pRects->x;
+ if(box.x2 < (pRects->x + pRects->width))
+ box.x2 = pRects->x + pRects->width;
+ if(box.y1 > pRects->y) box.y1 = pRects->y;
+ if(box.y2 < (pRects->y + pRects->height))
+ box.y2 = pRects->y + pRects->height;
+ }
+
+ if(extra) {
+ box.x1 -= extra;
+ box.x2 += extra;
+ box.y1 -= extra;
+ box.y2 += extra;
+ }
+
+ box.x2++;
+ box.y2++;
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ } else {
+ BoxPtr pbox;
+ int offset1, offset2, offset3;
+
+ offset2 = pGC->lineWidth;
+ if(!offset2) offset2 = 1;
+ offset1 = offset2 >> 1;
+ offset3 = offset2 - offset1;
+
+ pBoxInit = (BoxPtr)xalloc(nRects * 4 * sizeof(BoxRec));
+ pbox = pBoxInit;
+
+ while(nRects--) {
+ pbox->x1 = pRects->x - offset1;
+ pbox->y1 = pRects->y - offset1;
+ pbox->x2 = pbox->x1 + pRects->width + offset2;
+ pbox->y2 = pbox->y1 + offset2;
+ TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC);
+ if(BOX_NOT_EMPTY((*pbox))) {
+ num++;
+ pbox++;
+ }
+
+ pbox->x1 = pRects->x - offset1;
+ pbox->y1 = pRects->y + offset3;
+ pbox->x2 = pbox->x1 + offset2;
+ pbox->y2 = pbox->y1 + pRects->height - offset2;
+ TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC);
+ if(BOX_NOT_EMPTY((*pbox))) {
+ num++;
+ pbox++;
+ }
+
+ pbox->x1 = pRects->x + pRects->width - offset1;
+ pbox->y1 = pRects->y + offset3;
+ pbox->x2 = pbox->x1 + offset2;
+ pbox->y2 = pbox->y1 + pRects->height - offset2;
+ TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC);
+ if(BOX_NOT_EMPTY((*pbox))) {
+ num++;
+ pbox++;
+ }
+
+ pbox->x1 = pRects->x - offset1;
+ pbox->y1 = pRects->y + pRects->height - offset1;
+ pbox->x2 = pbox->x1 + pRects->width + offset2;
+ pbox->y2 = pbox->y1 + offset2;
+ TRIM_AND_TRANSLATE_BOX((*pbox), pDraw, pGC);
+ if(BOX_NOT_EMPTY((*pbox))) {
+ num++;
+ pbox++;
+ }
+
+ pRects++;
+ }
+
+ if(num) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, num, pBoxInit);
+ } else {
+ xfree(pBoxInit);
+ }
+ }
+ }
+
+ (*pGC->ops->PolyRectangle)(pDraw, pGC, nRectsInit, pRectsInit);
+
+ if(boxNotEmpty && pPriv->postRefresh) {
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+ } else if(num) {
+ if(pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, num, pBoxInit);
+ xfree(pBoxInit);
+ }
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+}
+
+static void
+ShadowPolyArc(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int narcsInit,
+ xArc *parcsInit
+){
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && narcsInit) {
+ int narcs = narcsInit;
+ xArc *parcs = parcsInit;
+ int extra = pGC->lineWidth >> 1;
+
+ box.x1 = parcs->x;
+ box.x2 = box.x1 + parcs->width;
+ box.y1 = parcs->y;
+ box.y2 = box.y1 + parcs->height;
+
+ /* should I break these up instead ? */
+
+ while(--narcs) {
+ parcs++;
+ if(box.x1 > parcs->x) box.x1 = parcs->x;
+ if(box.x2 < (parcs->x + parcs->width))
+ box.x2 = parcs->x + parcs->width;
+ if(box.y1 > parcs->y) box.y1 = parcs->y;
+ if(box.y2 < (parcs->y + parcs->height))
+ box.y2 = parcs->y + parcs->height;
+ }
+
+ if(extra) {
+ box.x1 -= extra;
+ box.x2 += extra;
+ box.y1 -= extra;
+ box.y2 += extra;
+ }
+
+ box.x2++;
+ box.y2++;
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PolyArc)(pDraw, pGC, narcsInit, parcsInit);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+}
+
+static void
+ShadowFillPolygon(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int shape,
+ int mode,
+ int count,
+ DDXPointPtr pptInit
+){
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && (count > 2)) {
+ DDXPointPtr ppt = pptInit;
+ int i = count;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ box.x2 = box.x1 = ppt->x;
+ box.y2 = box.y1 = ppt->y;
+
+ if(mode != CoordModeOrigin) {
+ int x = box.x1;
+ int y = box.y1;
+ while(--i) {
+ ppt++;
+ x += ppt->x;
+ y += ppt->y;
+ if(box.x1 > x) box.x1 = x;
+ else if(box.x2 < x) box.x2 = x;
+ if(box.y1 > y) box.y1 = y;
+ else if(box.y2 < y) box.y2 = y;
+ }
+ } else {
+ while(--i) {
+ ppt++;
+ if(box.x1 > ppt->x) box.x1 = ppt->x;
+ else if(box.x2 < ppt->x) box.x2 = ppt->x;
+ if(box.y1 > ppt->y) box.y1 = ppt->y;
+ else if(box.y2 < ppt->y) box.y2 = ppt->y;
+ }
+ }
+
+ box.x2++;
+ box.y2++;
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+
+ (*pGC->ops->FillPolygon)(pDraw, pGC, shape, mode, count, pptInit);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+ } else
+ (*pGC->ops->FillPolygon)(pDraw, pGC, shape, mode, count, pptInit);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+
+static void
+ShadowPolyFillRect(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int nRectsInit,
+ xRectangle *pRectsInit
+){
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && nRectsInit) {
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+ xRectangle *pRects = pRectsInit;
+ int nRects = nRectsInit;
+
+ box.x1 = pRects->x;
+ box.x2 = box.x1 + pRects->width;
+ box.y1 = pRects->y;
+ box.y2 = box.y1 + pRects->height;
+
+ while(--nRects) {
+ pRects++;
+ if(box.x1 > pRects->x) box.x1 = pRects->x;
+ if(box.x2 < (pRects->x + pRects->width))
+ box.x2 = pRects->x + pRects->width;
+ if(box.y1 > pRects->y) box.y1 = pRects->y;
+ if(box.y2 < (pRects->y + pRects->height))
+ box.y2 = pRects->y + pRects->height;
+ }
+
+ /* cfb messes with the pRectsInit so we have to do our
+ calculations first */
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+
+ (*pGC->ops->PolyFillRect)(pDraw, pGC, nRectsInit, pRectsInit);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+ } else
+ (*pGC->ops->PolyFillRect)(pDraw, pGC, nRectsInit, pRectsInit);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+
+static void
+ShadowPolyFillArc(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int narcsInit,
+ xArc *parcsInit
+){
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && narcsInit) {
+ xArc *parcs = parcsInit;
+ int narcs = narcsInit;
+
+ box.x1 = parcs->x;
+ box.x2 = box.x1 + parcs->width;
+ box.y1 = parcs->y;
+ box.y2 = box.y1 + parcs->height;
+
+ /* should I break these up instead ? */
+
+ while(--narcs) {
+ parcs++;
+ if(box.x1 > parcs->x) box.x1 = parcs->x;
+ if(box.x2 < (parcs->x + parcs->width))
+ box.x2 = parcs->x + parcs->width;
+ if(box.y1 > parcs->y) box.y1 = parcs->y;
+ if(box.y2 < (parcs->y + parcs->height))
+ box.y2 = parcs->y + parcs->height;
+ }
+
+ TRIM_AND_TRANSLATE_BOX(box, pDraw, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PolyFillArc)(pDraw, pGC, narcsInit, parcsInit);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowTextExtent(FontPtr pFont, int count, char* chars,
+ FontEncoding fontEncoding, BoxPtr box)
+{
+ unsigned long n, i;
+ int w;
+ CharInfoPtr charinfo[255]; /* encoding only has 1 byte for count */
+
+ GetGlyphs(pFont, (unsigned long)count, (unsigned char *)chars,
+ fontEncoding, &n, charinfo);
+ w = 0;
+ for (i=0; i < n; i++) {
+ w += charinfo[i]->metrics.characterWidth;
+ }
+ if (i) {
+ w += charinfo[i - 1]->metrics.rightSideBearing;
+ }
+
+ box->x1 = 0;
+ if (n) {
+ if (charinfo[0]->metrics.leftSideBearing < 0) {
+ box->x1 = charinfo[0]->metrics.leftSideBearing;
+ }
+ }
+ box->x2 = w;
+ box->y1 = -FONTMAXBOUNDS(pFont,ascent);
+ box->y2 = FONTMAXBOUNDS(pFont,descent);
+}
+
+
+
+static void
+ShadowFontToBox(BoxPtr BB, DrawablePtr pDrawable, GCPtr pGC, int x, int y,
+ int count, char *chars, int wide)
+{
+ FontPtr pFont;
+
+ pFont = pGC->font;
+ if (pFont->info.constantWidth) {
+ int ascent, descent, left, right = 0;
+
+ ascent = MAX(pFont->info.fontAscent, pFont->info.maxbounds.ascent);
+ descent = MAX(pFont->info.fontDescent, pFont->info.maxbounds.descent);
+ left = pFont->info.maxbounds.leftSideBearing;
+ if (count > 0) {
+ right = (count - 1) * pFont->info.maxbounds.characterWidth;
+ }
+ right += pFont->info.maxbounds.rightSideBearing;
+ BB->x1 =
+ MAX(pDrawable->x + x - left, (REGION_EXTENTS(pGC->pScreen,
+ &((WindowPtr) pDrawable)->winSize))->x1);
+ BB->y1 =
+ MAX(pDrawable->y + y - ascent,
+ (REGION_EXTENTS(pGC->pScreen,
+ &((WindowPtr) pDrawable)->winSize))->y1);
+ BB->x2 =
+ MIN(pDrawable->x + x + right,
+ (REGION_EXTENTS(pGC->pScreen,
+ &((WindowPtr) pDrawable)->winSize))->x2);
+ BB->y2 =
+ MIN(pDrawable->y + y + descent,
+ (REGION_EXTENTS(pGC->pScreen,
+ &((WindowPtr) pDrawable)->winSize))->y2);
+ } else {
+ ShadowTextExtent(pFont, count, chars, wide ? (FONTLASTROW(pFont) == 0)
+ ? Linear16Bit : TwoD16Bit : Linear8Bit, BB);
+ BB->x1 =
+ MAX(pDrawable->x + x + BB->x1, (REGION_EXTENTS(pGC->pScreen,
+ &((WindowPtr) pDrawable)->winSize))->x1);
+ BB->y1 =
+ MAX(pDrawable->y + y + BB->y1,
+ (REGION_EXTENTS(pGC->pScreen,
+ &((WindowPtr) pDrawable)->winSize))->y1);
+ BB->x2 =
+ MIN(pDrawable->x + x + BB->x2,
+ (REGION_EXTENTS(pGC->pScreen,
+ &((WindowPtr) pDrawable)->winSize))->x2);
+ BB->y2 =
+ MIN(pDrawable->y + y + BB->y2,
+ (REGION_EXTENTS(pGC->pScreen,
+ &((WindowPtr) pDrawable)->winSize))->y2);
+ }
+}
+
+static int
+ShadowPolyText8(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int x,
+ int y,
+ int count,
+ char *chars
+){
+ int width;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw)) {
+ ShadowFontToBox(&box, pDraw, pGC, x, y, count, chars, 0);
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ width = (*pGC->ops->PolyText8)(pDraw, pGC, x, y, count, chars);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+ return width;
+}
+
+static int
+ShadowPolyText16(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int x,
+ int y,
+ int count,
+ unsigned short *chars
+){
+ int width;
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw)) {
+ ShadowFontToBox(&box, pDraw, pGC, x, y, count, (char*)chars, 1);
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ width = (*pGC->ops->PolyText16)(pDraw, pGC, x, y, count, chars);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+
+ return width;
+}
+
+static void
+ShadowImageText8(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int x,
+ int y,
+ int count,
+ char *chars
+){
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && count) {
+ int top, bot, Min, Max;
+
+ top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font));
+ bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font));
+
+ Min = count * FONTMINBOUNDS(pGC->font, characterWidth);
+ if(Min > 0) Min = 0;
+ Max = count * FONTMAXBOUNDS(pGC->font, characterWidth);
+ if(Max < 0) Max = 0;
+
+ /* ugh */
+ box.x1 = pDraw->x + x + Min +
+ FONTMINBOUNDS(pGC->font, leftSideBearing);
+ box.x2 = pDraw->x + x + Max +
+ FONTMAXBOUNDS(pGC->font, rightSideBearing);
+
+ box.y1 = pDraw->y + y - top;
+ box.y2 = pDraw->y + y + bot;
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->ImageText8)(pDraw, pGC, x, y, count, chars);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+static void
+ShadowImageText16(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int x,
+ int y,
+ int count,
+ unsigned short *chars
+){
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && count) {
+ int top, bot, Min, Max;
+
+ top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font));
+ bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font));
+
+ Min = count * FONTMINBOUNDS(pGC->font, characterWidth);
+ if(Min > 0) Min = 0;
+ Max = count * FONTMAXBOUNDS(pGC->font, characterWidth);
+ if(Max < 0) Max = 0;
+
+ /* ugh */
+ box.x1 = pDraw->x + x + Min +
+ FONTMINBOUNDS(pGC->font, leftSideBearing);
+ box.x2 = pDraw->x + x + Max +
+ FONTMAXBOUNDS(pGC->font, rightSideBearing);
+
+ box.y1 = pDraw->y + y - top;
+ box.y2 = pDraw->y + y + bot;
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->ImageText16)(pDraw, pGC, x, y, count, chars);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+
+static void
+ShadowImageGlyphBlt(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int x, int y,
+ unsigned int nglyphInit,
+ CharInfoPtr *ppciInit,
+ pointer pglyphBase
+){
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && nglyphInit) {
+ CharInfoPtr *ppci = ppciInit;
+ unsigned int nglyph = nglyphInit;
+ int top, bot, width = 0;
+
+ top = max(FONTMAXBOUNDS(pGC->font, ascent), FONTASCENT(pGC->font));
+ bot = max(FONTMAXBOUNDS(pGC->font, descent), FONTDESCENT(pGC->font));
+
+ box.x1 = ppci[0]->metrics.leftSideBearing;
+ if(box.x1 > 0) box.x1 = 0;
+ box.x2 = ppci[nglyph - 1]->metrics.rightSideBearing -
+ ppci[nglyph - 1]->metrics.characterWidth;
+ if(box.x2 < 0) box.x2 = 0;
+
+ box.x2 += pDraw->x + x;
+ box.x1 += pDraw->x + x;
+
+ while(nglyph--) {
+ width += (*ppci)->metrics.characterWidth;
+ ppci++;
+ }
+
+ if(width > 0)
+ box.x2 += width;
+ else
+ box.x1 += width;
+
+ box.y1 = pDraw->y + y - top;
+ box.y2 = pDraw->y + y + bot;
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->ImageGlyphBlt)(pDraw, pGC, x, y, nglyphInit,
+ ppciInit, pglyphBase);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPolyGlyphBlt(
+ DrawablePtr pDraw,
+ GCPtr pGC,
+ int x, int y,
+ unsigned int nglyphInit,
+ CharInfoPtr *ppciInit,
+ pointer pglyphBase
+){
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw) && nglyphInit) {
+ CharInfoPtr *ppci = ppciInit;
+ unsigned int nglyph = nglyphInit;
+
+ /* ugh */
+ box.x1 = pDraw->x + x + ppci[0]->metrics.leftSideBearing;
+ box.x2 = pDraw->x + x + ppci[nglyph - 1]->metrics.rightSideBearing;
+
+ if(nglyph > 1) {
+ int width = 0;
+
+ while(--nglyph) {
+ width += (*ppci)->metrics.characterWidth;
+ ppci++;
+ }
+
+ if(width > 0) box.x2 += width;
+ else box.x1 += width;
+ }
+
+ box.y1 = pDraw->y + y - FONTMAXBOUNDS(pGC->font, ascent);
+ box.y2 = pDraw->y + y + FONTMAXBOUNDS(pGC->font, descent);
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PolyGlyphBlt)(pDraw, pGC, x, y, nglyphInit,
+ ppciInit, pglyphBase);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+static void
+ShadowPushPixels(
+ GCPtr pGC,
+ PixmapPtr pBitMap,
+ DrawablePtr pDraw,
+ int dx, int dy, int xOrg, int yOrg
+){
+ BoxRec box;
+ Bool boxNotEmpty = FALSE;
+
+ SHADOW_GC_OP_PROLOGUE(pGC);
+
+ if(IS_VISIBLE(pDraw)) {
+ box.x1 = xOrg;
+ box.y1 = yOrg;
+
+ if(!pGC->miTranslate) {
+ box.x1 += pDraw->x;
+ box.y1 += pDraw->y;
+ }
+
+ box.x2 = box.x1 + dx;
+ box.y2 = box.y1 + dy;
+
+ TRIM_BOX(box, pGC);
+ if(BOX_NOT_EMPTY(box)) {
+ if(pPriv->preRefresh)
+ (*pPriv->preRefresh)(pPriv->pScrn, 1, &box);
+ boxNotEmpty = TRUE;
+ }
+ }
+
+ (*pGC->ops->PushPixels)(pGC, pBitMap, pDraw, dx, dy, xOrg, yOrg);
+
+ if(boxNotEmpty && pPriv->postRefresh)
+ (*pPriv->postRefresh)(pPriv->pScrn, 1, &box);
+
+ SHADOW_GC_OP_EPILOGUE(pGC);
+}
+
+
+GCOps ShadowGCOps = {
+ ShadowFillSpans, ShadowSetSpans,
+ ShadowPutImage, ShadowCopyArea,
+ ShadowCopyPlane, ShadowPolyPoint,
+ ShadowPolylines, ShadowPolySegment,
+ ShadowPolyRectangle, ShadowPolyArc,
+ ShadowFillPolygon, ShadowPolyFillRect,
+ ShadowPolyFillArc, ShadowPolyText8,
+ ShadowPolyText16, ShadowImageText8,
+ ShadowImageText16, ShadowImageGlyphBlt,
+ ShadowPolyGlyphBlt, ShadowPushPixels,
+ {NULL} /* devPrivate */
+};
+
diff --git a/xorg-server/hw/xfree86/shadowfb/shadowfb.h b/xorg-server/hw/xfree86/shadowfb/shadowfb.h
new file mode 100644
index 000000000..6c9635879
--- /dev/null
+++ b/xorg-server/hw/xfree86/shadowfb/shadowfb.h
@@ -0,0 +1,43 @@
+
+#ifndef _SHADOWFB_H
+#define _SHADOWFB_H
+
+#include "xf86str.h"
+
+/*
+ * User defined callback function. Passed a pointer to the ScrnInfo struct,
+ * the number of dirty rectangles, and a pointer to the first dirty rectangle
+ * in the array.
+ */
+typedef void (*RefreshAreaFuncPtr)(ScrnInfoPtr, int, BoxPtr);
+
+/*
+ * ShadowFBInit initializes the shadowfb subsystem. refreshArea is a pointer
+ * to a user supplied callback function. This function will be called after
+ * any operation that modifies the framebuffer. The newly dirtied rectangles
+ * are passed to the callback.
+ *
+ * Returns FALSE in the event of an error.
+ */
+Bool
+ShadowFBInit (
+ ScreenPtr pScreen,
+ RefreshAreaFuncPtr refreshArea
+);
+
+/*
+ * ShadowFBInit2 is a more featureful refinement of the original shadowfb.
+ * ShadowFBInit2 allows you to specify two callbacks, one to be called
+ * immediately before an operation that modifies the framebuffer, and another
+ * to be called immediately after.
+ *
+ * Returns FALSE in the event of an error
+ */
+Bool
+ShadowFBInit2 (
+ ScreenPtr pScreen,
+ RefreshAreaFuncPtr preRefreshArea,
+ RefreshAreaFuncPtr postRefreshArea
+);
+
+#endif /* _SHADOWFB_H */