From dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 12 Sep 2011 11:27:51 +0200 Subject: Synchronised line endinge with release branch --- xorg-server/Xext/Makefile.am | 266 +- xorg-server/Xext/geext.c | 526 ++-- xorg-server/Xext/panoramiX.c | 2598 ++++++++++---------- xorg-server/Xext/panoramiX.h | 160 +- xorg-server/Xext/panoramiXprocs.c | 4836 ++++++++++++++++++------------------- xorg-server/Xext/panoramiXsrv.h | 130 +- xorg-server/Xext/shm.c | 2688 ++++++++++----------- xorg-server/Xext/xselinux_hooks.c | 1870 +++++++------- xorg-server/Xext/xtest.c | 1394 +++++------ xorg-server/Xext/xvdisp.c | 3922 +++++++++++++++--------------- xorg-server/Xext/xvdix.h | 550 ++--- xorg-server/Xext/xvmain.c | 2356 +++++++++--------- xorg-server/Xext/xvmc.c | 1580 ++++++------ 13 files changed, 11438 insertions(+), 11438 deletions(-) (limited to 'xorg-server/Xext') diff --git a/xorg-server/Xext/Makefile.am b/xorg-server/Xext/Makefile.am index cb47d38cc..cb432e00e 100644 --- a/xorg-server/Xext/Makefile.am +++ b/xorg-server/Xext/Makefile.am @@ -1,133 +1,133 @@ -# libXext.la: includes all extensions and should be linked into Xvfb, -# Xnest, Xdmx and Xprt -# libXextbuiltin.la: includes those extensions that are built directly into -# Xorg by default -# libXextmodule.la: includes those extensions that are built into a module -# that Xorg loads -if XORG -noinst_LTLIBRARIES = libXext.la libXextbuiltin.la libXextmodule.la -else -noinst_LTLIBRARIES = libXext.la -endif - -INCLUDES = -I$(top_srcdir)/hw/xfree86/dixmods/extmod - -AM_CFLAGS = $(DIX_CFLAGS) - -if XORG -sdk_HEADERS = xvdix.h xvmcext.h geext.h geint.h shmint.h syncsdk.h -endif - -# Sources always included in libXextbuiltin.la & libXext.la -BUILTIN_SRCS = \ - bigreq.c \ - geext.c \ - shape.c \ - sleepuntil.c \ - sleepuntil.h \ - sync.c \ - syncsdk.h \ - syncsrv.h \ - xcmisc.c \ - xtest.c - -# Sources always included in libXextmodule.la & libXext.la. That's right, zero. -MODULE_SRCS = -MODULE_LIBS = - -# Optional sources included if extension enabled by configure.ac rules - -# MIT Shared Memory extension -MITSHM_SRCS = shm.c shmint.h -if MITSHM -BUILTIN_SRCS += $(MITSHM_SRCS) -endif - -# XVideo extension -XV_SRCS = xvmain.c xvdisp.c xvmc.c xvdix.h xvmcext.h xvdisp.h -if XV -MODULE_SRCS += $(XV_SRCS) -endif - -# XResource extension: lets clients get data about per-client resource usage -RES_SRCS = xres.c -if RES -MODULE_SRCS += $(RES_SRCS) -endif - -# MIT ScreenSaver extension -SCREENSAVER_SRCS = saver.c -if SCREENSAVER -MODULE_SRCS += $(SCREENSAVER_SRCS) -endif - -# Xinerama extension: making multiple video devices act as one virtual screen -XINERAMA_SRCS = panoramiX.c panoramiX.h panoramiXh.h panoramiXsrv.h panoramiXprocs.c panoramiXSwap.c -if XINERAMA -BUILTIN_SRCS += $(XINERAMA_SRCS) -if XORG -sdk_HEADERS += panoramiXsrv.h panoramiX.h -endif -endif - -# X-ACE extension: provides hooks for building security policy extensions -# like XC-Security, X-SELinux & XTSol -XACE_SRCS = xace.c xace.h xacestr.h -if XACE -BUILTIN_SRCS += $(XACE_SRCS) -if XORG -sdk_HEADERS += xace.h xacestr.h -endif -endif - -# SELinux extension: provides SELinux policy support for X objects -# requires X-ACE extension -XSELINUX_SRCS = xselinux_ext.c xselinux_hooks.c xselinux_label.c xselinux.h xselinuxint.h -if XSELINUX -MODULE_SRCS += $(XSELINUX_SRCS) -MODULE_LIBS += $(SELINUX_LIBS) -endif - -# Security extension: multi-level security to protect clients from each other -XCSECURITY_SRCS = security.c securitysrv.h -if XCSECURITY -BUILTIN_SRCS += $(XCSECURITY_SRCS) -endif - -# XF86 Big Font extension -BIGFONT_SRCS = xf86bigfont.c xf86bigfontsrv.h -if XF86BIGFONT -BUILTIN_SRCS += $(BIGFONT_SRCS) -endif - -# DPMS extension -DPMS_SRCS = dpms.c dpmsproc.h -if DPMSExtension -MODULE_SRCS += $(DPMS_SRCS) -endif - -# Now take all of the above, mix well, bake for 10 minutes and get libXext*.la - -libXext_la_SOURCES = $(BUILTIN_SRCS) $(MODULE_SRCS) -libXext_la_LIBADD = $(MODULE_LIBS) - -if XORG -libXextbuiltin_la_SOURCES = $(BUILTIN_SRCS) - -libXextmodule_la_SOURCES = $(MODULE_SRCS) -libXextmodule_la_LIBADD = $(MODULE_LIBS) -endif - -EXTRA_DIST = \ - $(MITSHM_SRCS) \ - $(XV_SRCS) \ - $(RES_SRCS) \ - $(SCREENSAVER_SRCS) \ - $(XACE_SRCS) \ - $(XCSECURITY_SRCS) \ - $(XSELINUX_SRCS) \ - $(XINERAMA_SRCS) \ - $(BIGFONT_SRCS) \ - $(DPMS_SRCS) \ - $(GE_SRCS) - +# libXext.la: includes all extensions and should be linked into Xvfb, +# Xnest, Xdmx and Xprt +# libXextbuiltin.la: includes those extensions that are built directly into +# Xorg by default +# libXextmodule.la: includes those extensions that are built into a module +# that Xorg loads +if XORG +noinst_LTLIBRARIES = libXext.la libXextbuiltin.la libXextmodule.la +else +noinst_LTLIBRARIES = libXext.la +endif + +INCLUDES = -I$(top_srcdir)/hw/xfree86/dixmods/extmod + +AM_CFLAGS = $(DIX_CFLAGS) + +if XORG +sdk_HEADERS = xvdix.h xvmcext.h geext.h geint.h shmint.h syncsdk.h +endif + +# Sources always included in libXextbuiltin.la & libXext.la +BUILTIN_SRCS = \ + bigreq.c \ + geext.c \ + shape.c \ + sleepuntil.c \ + sleepuntil.h \ + sync.c \ + syncsdk.h \ + syncsrv.h \ + xcmisc.c \ + xtest.c + +# Sources always included in libXextmodule.la & libXext.la. That's right, zero. +MODULE_SRCS = +MODULE_LIBS = + +# Optional sources included if extension enabled by configure.ac rules + +# MIT Shared Memory extension +MITSHM_SRCS = shm.c shmint.h +if MITSHM +BUILTIN_SRCS += $(MITSHM_SRCS) +endif + +# XVideo extension +XV_SRCS = xvmain.c xvdisp.c xvmc.c xvdix.h xvmcext.h xvdisp.h +if XV +MODULE_SRCS += $(XV_SRCS) +endif + +# XResource extension: lets clients get data about per-client resource usage +RES_SRCS = xres.c +if RES +MODULE_SRCS += $(RES_SRCS) +endif + +# MIT ScreenSaver extension +SCREENSAVER_SRCS = saver.c +if SCREENSAVER +MODULE_SRCS += $(SCREENSAVER_SRCS) +endif + +# Xinerama extension: making multiple video devices act as one virtual screen +XINERAMA_SRCS = panoramiX.c panoramiX.h panoramiXh.h panoramiXsrv.h panoramiXprocs.c panoramiXSwap.c +if XINERAMA +BUILTIN_SRCS += $(XINERAMA_SRCS) +if XORG +sdk_HEADERS += panoramiXsrv.h panoramiX.h +endif +endif + +# X-ACE extension: provides hooks for building security policy extensions +# like XC-Security, X-SELinux & XTSol +XACE_SRCS = xace.c xace.h xacestr.h +if XACE +BUILTIN_SRCS += $(XACE_SRCS) +if XORG +sdk_HEADERS += xace.h xacestr.h +endif +endif + +# SELinux extension: provides SELinux policy support for X objects +# requires X-ACE extension +XSELINUX_SRCS = xselinux_ext.c xselinux_hooks.c xselinux_label.c xselinux.h xselinuxint.h +if XSELINUX +MODULE_SRCS += $(XSELINUX_SRCS) +MODULE_LIBS += $(SELINUX_LIBS) +endif + +# Security extension: multi-level security to protect clients from each other +XCSECURITY_SRCS = security.c securitysrv.h +if XCSECURITY +BUILTIN_SRCS += $(XCSECURITY_SRCS) +endif + +# XF86 Big Font extension +BIGFONT_SRCS = xf86bigfont.c xf86bigfontsrv.h +if XF86BIGFONT +BUILTIN_SRCS += $(BIGFONT_SRCS) +endif + +# DPMS extension +DPMS_SRCS = dpms.c dpmsproc.h +if DPMSExtension +MODULE_SRCS += $(DPMS_SRCS) +endif + +# Now take all of the above, mix well, bake for 10 minutes and get libXext*.la + +libXext_la_SOURCES = $(BUILTIN_SRCS) $(MODULE_SRCS) +libXext_la_LIBADD = $(MODULE_LIBS) + +if XORG +libXextbuiltin_la_SOURCES = $(BUILTIN_SRCS) + +libXextmodule_la_SOURCES = $(MODULE_SRCS) +libXextmodule_la_LIBADD = $(MODULE_LIBS) +endif + +EXTRA_DIST = \ + $(MITSHM_SRCS) \ + $(XV_SRCS) \ + $(RES_SRCS) \ + $(SCREENSAVER_SRCS) \ + $(XACE_SRCS) \ + $(XCSECURITY_SRCS) \ + $(XSELINUX_SRCS) \ + $(XINERAMA_SRCS) \ + $(BIGFONT_SRCS) \ + $(DPMS_SRCS) \ + $(GE_SRCS) + diff --git a/xorg-server/Xext/geext.c b/xorg-server/Xext/geext.c index 5e7b9c29b..18f8ffeac 100644 --- a/xorg-server/Xext/geext.c +++ b/xorg-server/Xext/geext.c @@ -1,263 +1,263 @@ -/* - * Copyright 2007-2008 Peter Hutterer - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Author: Peter Hutterer, University of South Australia, NICTA - */ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif -#include "windowstr.h" -#include - -#include "geint.h" -#include "geext.h" -#include "protocol-versions.h" - -DevPrivateKeyRec GEClientPrivateKeyRec; - -int RT_GECLIENT = 0; - -GEExtension GEExtensions[MAXEXTENSIONS]; - -/* Major available requests */ -static const int version_requests[] = { - X_GEQueryVersion, /* before client sends QueryVersion */ - X_GEQueryVersion, /* must be set to last request in version 1 */ -}; - -/* Forward declarations */ -static void SGEGenericEvent(xEvent* from, xEvent* to); - -#define NUM_VERSION_REQUESTS (sizeof (version_requests) / sizeof (version_requests[0])) -#define EXT_MASK(ext) ((ext) & 0x7F) - -/************************************************************/ -/* request handlers */ -/************************************************************/ - -static int -ProcGEQueryVersion(ClientPtr client) -{ - int n; - GEClientInfoPtr pGEClient = GEGetClient(client); - xGEQueryVersionReply rep; - REQUEST(xGEQueryVersionReq); - - REQUEST_SIZE_MATCH(xGEQueryVersionReq); - - rep.repType = X_Reply; - rep.RepType = X_GEQueryVersion; - rep.length = 0; - rep.sequenceNumber = client->sequence; - - /* return the supported version by the server */ - rep.majorVersion = SERVER_GE_MAJOR_VERSION; - rep.minorVersion = SERVER_GE_MINOR_VERSION; - - /* Remember version the client requested */ - pGEClient->major_version = stuff->majorVersion; - pGEClient->minor_version = stuff->minorVersion; - - if (client->swapped) - { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swaps(&rep.majorVersion, n); - swaps(&rep.minorVersion, n); - } - - WriteToClient(client, sizeof(xGEQueryVersionReply), (char*)&rep); - return Success; -} - -int (*ProcGEVector[GENumberRequests])(ClientPtr) = { - /* Version 1.0 */ - ProcGEQueryVersion -}; - -/************************************************************/ -/* swapped request handlers */ -/************************************************************/ -static int -SProcGEQueryVersion(ClientPtr client) -{ - int n; - REQUEST(xGEQueryVersionReq); - - swaps(&stuff->length, n); - REQUEST_SIZE_MATCH(xGEQueryVersionReq); - swaps(&stuff->majorVersion, n); - swaps(&stuff->minorVersion, n); - return(*ProcGEVector[stuff->ReqType])(client); -} - -int (*SProcGEVector[GENumberRequests])(ClientPtr) = { - /* Version 1.0 */ - SProcGEQueryVersion -}; - - -/************************************************************/ -/* callbacks */ -/************************************************************/ - -/* dispatch requests */ -static int -ProcGEDispatch(ClientPtr client) -{ - GEClientInfoPtr pGEClient = GEGetClient(client); - REQUEST(xGEReq); - - if (pGEClient->major_version >= NUM_VERSION_REQUESTS) - return BadRequest; - if (stuff->ReqType > version_requests[pGEClient->major_version]) - return BadRequest; - - return (ProcGEVector[stuff->ReqType])(client); -} - -/* dispatch swapped requests */ -static int -SProcGEDispatch(ClientPtr client) -{ - REQUEST(xGEReq); - if (stuff->ReqType >= GENumberRequests) - return BadRequest; - return (*SProcGEVector[stuff->ReqType])(client); -} - -/** - * Called when a new client inits a connection to the X server. - * - * We alloc a simple struct to store the client's major/minor version. Can be - * used in the furture for versioning support. - */ -static void -GEClientCallback(CallbackListPtr *list, - pointer closure, - pointer data) -{ - NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; - ClientPtr pClient = clientinfo->client; - GEClientInfoPtr pGEClient = GEGetClient(pClient); - - pGEClient->major_version = 0; - pGEClient->minor_version = 0; -} - -/* Reset extension. Called on server shutdown. */ -static void -GEResetProc(ExtensionEntry *extEntry) -{ - DeleteCallback(&ClientStateCallback, GEClientCallback, 0); - EventSwapVector[GenericEvent] = NotImplemented; -} - -/* Calls the registered event swap function for the extension. - * - * Each extension can register a swap function to handle GenericEvents being - * swapped properly. The server calls SGEGenericEvent() before the event is - * written on the wire, this one calls the registered swap function to do the - * work. - */ -static void -SGEGenericEvent(xEvent* from, xEvent* to) -{ - xGenericEvent* gefrom = (xGenericEvent*)from; - xGenericEvent* geto = (xGenericEvent*)to; - - if ((gefrom->extension & 0x7f) > MAXEXTENSIONS) - { - ErrorF("GE: Invalid extension offset for event.\n"); - return; - } - - if (GEExtensions[EXT_MASK(gefrom->extension)].evswap) - GEExtensions[EXT_MASK(gefrom->extension)].evswap(gefrom, geto); -} - -/* Init extension, register at server. - * Since other extensions may rely on XGE (XInput does already), it is a good - * idea to init XGE first, before any other extension. - */ -void -GEExtensionInit(void) -{ - ExtensionEntry *extEntry; - - if (!dixRegisterPrivateKey(&GEClientPrivateKeyRec, PRIVATE_CLIENT, sizeof(GEClientInfoRec))) - FatalError("GEExtensionInit: GE private request failed.\n"); - - if(!AddCallback(&ClientStateCallback, GEClientCallback, 0)) - { - FatalError("GEExtensionInit: register client callback failed.\n"); - } - - if((extEntry = AddExtension(GE_NAME, - 0, GENumberErrors, - ProcGEDispatch, SProcGEDispatch, - GEResetProc, StandardMinorOpcode)) != 0) - { - memset(GEExtensions, 0, sizeof(GEExtensions)); - - EventSwapVector[GenericEvent] = (EventSwapPtr) SGEGenericEvent; - } else { - FatalError("GEInit: AddExtensions failed.\n"); - } - -} - -/************************************************************/ -/* interface for extensions */ -/************************************************************/ - -/* Register an extension with GE. The given swap function will be called each - * time an event is sent to a client with different byte order. - * @param extension The extensions major opcode - * @param ev_swap The event swap function. - * @param ev_fill Called for an event before delivery. The extension now has - * the chance to fill in necessary fields for the event. - */ -void -GERegisterExtension(int extension, - void (*ev_swap)(xGenericEvent* from, xGenericEvent* to)) -{ - if (EXT_MASK(extension) >= MAXEXTENSIONS) - FatalError("GE: extension > MAXEXTENSIONS. This should not happen.\n"); - - /* extension opcodes are > 128, might as well save some space here */ - GEExtensions[EXT_MASK(extension)].evswap = ev_swap; -} - - -/* Sets type and extension field for a generic event. This is just an - * auxiliary function, extensions could do it manually too. - */ -void -GEInitEvent(xGenericEvent* ev, int extension) -{ - ev->type = GenericEvent; - ev->extension = extension; - ev->length = 0; -} - +/* + * Copyright 2007-2008 Peter Hutterer + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Author: Peter Hutterer, University of South Australia, NICTA + */ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif +#include "windowstr.h" +#include + +#include "geint.h" +#include "geext.h" +#include "protocol-versions.h" + +DevPrivateKeyRec GEClientPrivateKeyRec; + +int RT_GECLIENT = 0; + +GEExtension GEExtensions[MAXEXTENSIONS]; + +/* Major available requests */ +static const int version_requests[] = { + X_GEQueryVersion, /* before client sends QueryVersion */ + X_GEQueryVersion, /* must be set to last request in version 1 */ +}; + +/* Forward declarations */ +static void SGEGenericEvent(xEvent* from, xEvent* to); + +#define NUM_VERSION_REQUESTS (sizeof (version_requests) / sizeof (version_requests[0])) +#define EXT_MASK(ext) ((ext) & 0x7F) + +/************************************************************/ +/* request handlers */ +/************************************************************/ + +static int +ProcGEQueryVersion(ClientPtr client) +{ + int n; + GEClientInfoPtr pGEClient = GEGetClient(client); + xGEQueryVersionReply rep; + REQUEST(xGEQueryVersionReq); + + REQUEST_SIZE_MATCH(xGEQueryVersionReq); + + rep.repType = X_Reply; + rep.RepType = X_GEQueryVersion; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + /* return the supported version by the server */ + rep.majorVersion = SERVER_GE_MAJOR_VERSION; + rep.minorVersion = SERVER_GE_MINOR_VERSION; + + /* Remember version the client requested */ + pGEClient->major_version = stuff->majorVersion; + pGEClient->minor_version = stuff->minorVersion; + + if (client->swapped) + { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + } + + WriteToClient(client, sizeof(xGEQueryVersionReply), (char*)&rep); + return Success; +} + +int (*ProcGEVector[GENumberRequests])(ClientPtr) = { + /* Version 1.0 */ + ProcGEQueryVersion +}; + +/************************************************************/ +/* swapped request handlers */ +/************************************************************/ +static int +SProcGEQueryVersion(ClientPtr client) +{ + int n; + REQUEST(xGEQueryVersionReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xGEQueryVersionReq); + swaps(&stuff->majorVersion, n); + swaps(&stuff->minorVersion, n); + return(*ProcGEVector[stuff->ReqType])(client); +} + +int (*SProcGEVector[GENumberRequests])(ClientPtr) = { + /* Version 1.0 */ + SProcGEQueryVersion +}; + + +/************************************************************/ +/* callbacks */ +/************************************************************/ + +/* dispatch requests */ +static int +ProcGEDispatch(ClientPtr client) +{ + GEClientInfoPtr pGEClient = GEGetClient(client); + REQUEST(xGEReq); + + if (pGEClient->major_version >= NUM_VERSION_REQUESTS) + return BadRequest; + if (stuff->ReqType > version_requests[pGEClient->major_version]) + return BadRequest; + + return (ProcGEVector[stuff->ReqType])(client); +} + +/* dispatch swapped requests */ +static int +SProcGEDispatch(ClientPtr client) +{ + REQUEST(xGEReq); + if (stuff->ReqType >= GENumberRequests) + return BadRequest; + return (*SProcGEVector[stuff->ReqType])(client); +} + +/** + * Called when a new client inits a connection to the X server. + * + * We alloc a simple struct to store the client's major/minor version. Can be + * used in the furture for versioning support. + */ +static void +GEClientCallback(CallbackListPtr *list, + pointer closure, + pointer data) +{ + NewClientInfoRec *clientinfo = (NewClientInfoRec *) data; + ClientPtr pClient = clientinfo->client; + GEClientInfoPtr pGEClient = GEGetClient(pClient); + + pGEClient->major_version = 0; + pGEClient->minor_version = 0; +} + +/* Reset extension. Called on server shutdown. */ +static void +GEResetProc(ExtensionEntry *extEntry) +{ + DeleteCallback(&ClientStateCallback, GEClientCallback, 0); + EventSwapVector[GenericEvent] = NotImplemented; +} + +/* Calls the registered event swap function for the extension. + * + * Each extension can register a swap function to handle GenericEvents being + * swapped properly. The server calls SGEGenericEvent() before the event is + * written on the wire, this one calls the registered swap function to do the + * work. + */ +static void +SGEGenericEvent(xEvent* from, xEvent* to) +{ + xGenericEvent* gefrom = (xGenericEvent*)from; + xGenericEvent* geto = (xGenericEvent*)to; + + if ((gefrom->extension & 0x7f) > MAXEXTENSIONS) + { + ErrorF("GE: Invalid extension offset for event.\n"); + return; + } + + if (GEExtensions[EXT_MASK(gefrom->extension)].evswap) + GEExtensions[EXT_MASK(gefrom->extension)].evswap(gefrom, geto); +} + +/* Init extension, register at server. + * Since other extensions may rely on XGE (XInput does already), it is a good + * idea to init XGE first, before any other extension. + */ +void +GEExtensionInit(void) +{ + ExtensionEntry *extEntry; + + if (!dixRegisterPrivateKey(&GEClientPrivateKeyRec, PRIVATE_CLIENT, sizeof(GEClientInfoRec))) + FatalError("GEExtensionInit: GE private request failed.\n"); + + if(!AddCallback(&ClientStateCallback, GEClientCallback, 0)) + { + FatalError("GEExtensionInit: register client callback failed.\n"); + } + + if((extEntry = AddExtension(GE_NAME, + 0, GENumberErrors, + ProcGEDispatch, SProcGEDispatch, + GEResetProc, StandardMinorOpcode)) != 0) + { + memset(GEExtensions, 0, sizeof(GEExtensions)); + + EventSwapVector[GenericEvent] = (EventSwapPtr) SGEGenericEvent; + } else { + FatalError("GEInit: AddExtensions failed.\n"); + } + +} + +/************************************************************/ +/* interface for extensions */ +/************************************************************/ + +/* Register an extension with GE. The given swap function will be called each + * time an event is sent to a client with different byte order. + * @param extension The extensions major opcode + * @param ev_swap The event swap function. + * @param ev_fill Called for an event before delivery. The extension now has + * the chance to fill in necessary fields for the event. + */ +void +GERegisterExtension(int extension, + void (*ev_swap)(xGenericEvent* from, xGenericEvent* to)) +{ + if (EXT_MASK(extension) >= MAXEXTENSIONS) + FatalError("GE: extension > MAXEXTENSIONS. This should not happen.\n"); + + /* extension opcodes are > 128, might as well save some space here */ + GEExtensions[EXT_MASK(extension)].evswap = ev_swap; +} + + +/* Sets type and extension field for a generic event. This is just an + * auxiliary function, extensions could do it manually too. + */ +void +GEInitEvent(xGenericEvent* ev, int extension) +{ + ev->type = GenericEvent; + ev->extension = extension; + ev->length = 0; +} + diff --git a/xorg-server/Xext/panoramiX.c b/xorg-server/Xext/panoramiX.c index 27e54e2e4..00afe94f1 100644 --- a/xorg-server/Xext/panoramiX.c +++ b/xorg-server/Xext/panoramiX.c @@ -1,1299 +1,1299 @@ -/***************************************************************** -Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, -BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, -WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR -IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of Digital Equipment Corporation -shall not be used in advertising or otherwise to promote the sale, use or other -dealings in this Software without prior written authorization from Digital -Equipment Corporation. -******************************************************************/ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#ifdef HAVE_DMX_CONFIG_H -#include -#endif - -#include -#include -#include -#include -#include "misc.h" -#include "cursor.h" -#include "cursorstr.h" -#include "extnsionst.h" -#include "dixstruct.h" -#include "gc.h" -#include "gcstruct.h" -#include "scrnintstr.h" -#include "window.h" -#include "windowstr.h" -#include "pixmapstr.h" -#include "panoramiX.h" -#include -#include "panoramiXsrv.h" -#include "globals.h" -#include "servermd.h" -#include "resource.h" -#include "picturestr.h" -#ifdef XFIXES -#include "xfixesint.h" -#endif -#ifdef COMPOSITE -#include "compint.h" -#endif -#include "modinit.h" -#include "protocol-versions.h" - -#ifdef GLXPROXY -extern VisualPtr glxMatchVisual(ScreenPtr pScreen, - VisualPtr pVisual, - ScreenPtr pMatchScreen); -#endif - -/* - * PanoramiX data declarations - */ - -int PanoramiXPixWidth = 0; -int PanoramiXPixHeight = 0; -int PanoramiXNumScreens = 0; - -static RegionRec PanoramiXScreenRegion = {{0, 0, 0, 0}, NULL}; - -static int PanoramiXNumDepths; -static DepthPtr PanoramiXDepths; -static int PanoramiXNumVisuals; -static VisualPtr PanoramiXVisuals; - -RESTYPE XRC_DRAWABLE; -RESTYPE XRT_WINDOW; -RESTYPE XRT_PIXMAP; -RESTYPE XRT_GC; -RESTYPE XRT_COLORMAP; - -static Bool VisualsEqual(VisualPtr, ScreenPtr, VisualPtr); -XineramaVisualsEqualProcPtr XineramaVisualsEqualPtr = &VisualsEqual; - -/* - * Function prototypes - */ - -static int panoramiXGeneration; -static int ProcPanoramiXDispatch(ClientPtr client); - -static void PanoramiXResetProc(ExtensionEntry*); - -/* - * External references for functions and data variables - */ - -#include "panoramiXh.h" - -int (* SavedProcVector[256]) (ClientPtr client) = { NULL, }; - -static DevPrivateKeyRec PanoramiXGCKeyRec; -#define PanoramiXGCKey (&PanoramiXGCKeyRec) -static DevPrivateKeyRec PanoramiXScreenKeyRec; -#define PanoramiXScreenKey (&PanoramiXScreenKeyRec) - -typedef struct { - DDXPointRec clipOrg; - DDXPointRec patOrg; - GCFuncs *wrapFuncs; -} PanoramiXGCRec, *PanoramiXGCPtr; - -typedef struct { - CreateGCProcPtr CreateGC; - CloseScreenProcPtr CloseScreen; -} PanoramiXScreenRec, *PanoramiXScreenPtr; - -static void XineramaValidateGC(GCPtr, unsigned long, DrawablePtr); -static void XineramaChangeGC(GCPtr, unsigned long); -static void XineramaCopyGC(GCPtr, unsigned long, GCPtr); -static void XineramaDestroyGC(GCPtr); -static void XineramaChangeClip(GCPtr, int, pointer, int); -static void XineramaDestroyClip(GCPtr); -static void XineramaCopyClip(GCPtr, GCPtr); - -static GCFuncs XineramaGCFuncs = { - XineramaValidateGC, XineramaChangeGC, XineramaCopyGC, XineramaDestroyGC, - XineramaChangeClip, XineramaDestroyClip, XineramaCopyClip -}; - -#define Xinerama_GC_FUNC_PROLOGUE(pGC)\ - PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) \ - dixLookupPrivate(&(pGC)->devPrivates, PanoramiXGCKey); \ - (pGC)->funcs = pGCPriv->wrapFuncs; - -#define Xinerama_GC_FUNC_EPILOGUE(pGC)\ - pGCPriv->wrapFuncs = (pGC)->funcs;\ - (pGC)->funcs = &XineramaGCFuncs; - - -static Bool -XineramaCloseScreen (int i, ScreenPtr pScreen) -{ - PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr) - dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey); - - pScreen->CloseScreen = pScreenPriv->CloseScreen; - pScreen->CreateGC = pScreenPriv->CreateGC; - - if (pScreen->myNum == 0) - RegionUninit(&PanoramiXScreenRegion); - - free((pointer) pScreenPriv); - - return (*pScreen->CloseScreen) (i, pScreen); -} - -static Bool -XineramaCreateGC(GCPtr pGC) -{ - ScreenPtr pScreen = pGC->pScreen; - PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr) - dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey); - Bool ret; - - pScreen->CreateGC = pScreenPriv->CreateGC; - if((ret = (*pScreen->CreateGC)(pGC))) { - PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) - dixLookupPrivate(&pGC->devPrivates, PanoramiXGCKey); - - pGCPriv->wrapFuncs = pGC->funcs; - pGC->funcs = &XineramaGCFuncs; - - pGCPriv->clipOrg.x = pGC->clipOrg.x; - pGCPriv->clipOrg.y = pGC->clipOrg.y; - pGCPriv->patOrg.x = pGC->patOrg.x; - pGCPriv->patOrg.y = pGC->patOrg.y; - } - pScreen->CreateGC = XineramaCreateGC; - - return ret; -} - -static void -XineramaValidateGC( - GCPtr pGC, - unsigned long changes, - DrawablePtr pDraw -){ - Xinerama_GC_FUNC_PROLOGUE (pGC); - - if((pDraw->type == DRAWABLE_WINDOW) && !(((WindowPtr)pDraw)->parent)) { - /* the root window */ - int x_off = pGC->pScreen->x; - int y_off = pGC->pScreen->y; - int new_val; - - new_val = pGCPriv->clipOrg.x - x_off; - if(pGC->clipOrg.x != new_val) { - pGC->clipOrg.x = new_val; - changes |= GCClipXOrigin; - } - new_val = pGCPriv->clipOrg.y - y_off; - if(pGC->clipOrg.y != new_val) { - pGC->clipOrg.y = new_val; - changes |= GCClipYOrigin; - } - new_val = pGCPriv->patOrg.x - x_off; - if(pGC->patOrg.x != new_val) { - pGC->patOrg.x = new_val; - changes |= GCTileStipXOrigin; - } - new_val = pGCPriv->patOrg.y - y_off; - if(pGC->patOrg.y != new_val) { - pGC->patOrg.y = new_val; - changes |= GCTileStipYOrigin; - } - } else { - if(pGC->clipOrg.x != pGCPriv->clipOrg.x) { - pGC->clipOrg.x = pGCPriv->clipOrg.x; - changes |= GCClipXOrigin; - } - if(pGC->clipOrg.y != pGCPriv->clipOrg.y) { - pGC->clipOrg.y = pGCPriv->clipOrg.y; - changes |= GCClipYOrigin; - } - if(pGC->patOrg.x != pGCPriv->patOrg.x) { - pGC->patOrg.x = pGCPriv->patOrg.x; - changes |= GCTileStipXOrigin; - } - if(pGC->patOrg.y != pGCPriv->patOrg.y) { - pGC->patOrg.y = pGCPriv->patOrg.y; - changes |= GCTileStipYOrigin; - } - } - - (*pGC->funcs->ValidateGC)(pGC, changes, pDraw); - Xinerama_GC_FUNC_EPILOGUE (pGC); -} - -static void -XineramaDestroyGC(GCPtr pGC) -{ - Xinerama_GC_FUNC_PROLOGUE (pGC); - (*pGC->funcs->DestroyGC)(pGC); - Xinerama_GC_FUNC_EPILOGUE (pGC); -} - -static void -XineramaChangeGC ( - GCPtr pGC, - unsigned long mask -){ - Xinerama_GC_FUNC_PROLOGUE (pGC); - - if(mask & GCTileStipXOrigin) - pGCPriv->patOrg.x = pGC->patOrg.x; - if(mask & GCTileStipYOrigin) - pGCPriv->patOrg.y = pGC->patOrg.y; - if(mask & GCClipXOrigin) - pGCPriv->clipOrg.x = pGC->clipOrg.x; - if(mask & GCClipYOrigin) - pGCPriv->clipOrg.y = pGC->clipOrg.y; - - (*pGC->funcs->ChangeGC) (pGC, mask); - Xinerama_GC_FUNC_EPILOGUE (pGC); -} - -static void -XineramaCopyGC ( - GCPtr pGCSrc, - unsigned long mask, - GCPtr pGCDst -){ - PanoramiXGCPtr pSrcPriv = (PanoramiXGCPtr) - dixLookupPrivate(&pGCSrc->devPrivates, PanoramiXGCKey); - Xinerama_GC_FUNC_PROLOGUE (pGCDst); - - if(mask & GCTileStipXOrigin) - pGCPriv->patOrg.x = pSrcPriv->patOrg.x; - if(mask & GCTileStipYOrigin) - pGCPriv->patOrg.y = pSrcPriv->patOrg.y; - if(mask & GCClipXOrigin) - pGCPriv->clipOrg.x = pSrcPriv->clipOrg.x; - if(mask & GCClipYOrigin) - pGCPriv->clipOrg.y = pSrcPriv->clipOrg.y; - - (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst); - Xinerama_GC_FUNC_EPILOGUE (pGCDst); -} - -static void -XineramaChangeClip ( - GCPtr pGC, - int type, - pointer pvalue, - int nrects -){ - Xinerama_GC_FUNC_PROLOGUE (pGC); - (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects); - Xinerama_GC_FUNC_EPILOGUE (pGC); -} - -static void -XineramaCopyClip(GCPtr pgcDst, GCPtr pgcSrc) -{ - Xinerama_GC_FUNC_PROLOGUE (pgcDst); - (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc); - Xinerama_GC_FUNC_EPILOGUE (pgcDst); -} - -static void -XineramaDestroyClip(GCPtr pGC) -{ - Xinerama_GC_FUNC_PROLOGUE (pGC); - (* pGC->funcs->DestroyClip)(pGC); - Xinerama_GC_FUNC_EPILOGUE (pGC); -} - -int -XineramaDeleteResource(pointer data, XID id) -{ - free(data); - return 1; -} - -typedef struct { - int screen; - int id; -} PanoramiXSearchData; - -static Bool -XineramaFindIDByScrnum(pointer resource, XID id, pointer privdata) -{ - PanoramiXRes *res = (PanoramiXRes*)resource; - PanoramiXSearchData *data = (PanoramiXSearchData*)privdata; - - return res->info[data->screen].id == data->id; -} - -PanoramiXRes * -PanoramiXFindIDByScrnum(RESTYPE type, XID id, int screen) -{ - PanoramiXSearchData data; - pointer val; - - if(!screen) { - dixLookupResourceByType(&val, id, type, serverClient, DixReadAccess); - return val; - } - - data.screen = screen; - data.id = id; - - return LookupClientResourceComplex(clients[CLIENT_ID(id)], type, - XineramaFindIDByScrnum, &data); -} - -typedef struct _connect_callback_list { - void (*func)(void); - struct _connect_callback_list *next; -} XineramaConnectionCallbackList; - -static XineramaConnectionCallbackList *ConnectionCallbackList = NULL; - -Bool -XineramaRegisterConnectionBlockCallback(void (*func)(void)) -{ - XineramaConnectionCallbackList *newlist; - - if(!(newlist = malloc(sizeof(XineramaConnectionCallbackList)))) - return FALSE; - - newlist->next = ConnectionCallbackList; - newlist->func = func; - ConnectionCallbackList = newlist; - - return TRUE; -} - -static void XineramaInitData(ScreenPtr pScreen) -{ - int i, w, h; - - RegionNull(&PanoramiXScreenRegion); - FOR_NSCREENS(i) { - BoxRec TheBox; - RegionRec ScreenRegion; - - pScreen = screenInfo.screens[i]; - - TheBox.x1 = pScreen->x; - TheBox.x2 = TheBox.x1 + pScreen->width; - TheBox.y1 = pScreen->y; - TheBox.y2 = TheBox.y1 + pScreen->height; - - RegionInit(&ScreenRegion, &TheBox, 1); - RegionUnion(&PanoramiXScreenRegion, &PanoramiXScreenRegion, - &ScreenRegion); - RegionUninit(&ScreenRegion); - } - - PanoramiXPixWidth = screenInfo.screens[0]->x + screenInfo.screens[0]->width; - PanoramiXPixHeight = screenInfo.screens[0]->y + screenInfo.screens[0]->height; - - FOR_NSCREENS_FORWARD_SKIP(i) { - pScreen = screenInfo.screens[i]; - w = pScreen->x + pScreen->width; - h = pScreen->y + pScreen->height; - - if (PanoramiXPixWidth < w) - PanoramiXPixWidth = w; - if (PanoramiXPixHeight < h) - PanoramiXPixHeight = h; - } -} - -void XineramaReinitData(ScreenPtr pScreen) -{ - RegionUninit(&PanoramiXScreenRegion); - XineramaInitData(pScreen); -} - -/* - * PanoramiXExtensionInit(): - * Called from InitExtensions in main(). - * Register PanoramiXeen Extension - * Initialize global variables. - */ - -void PanoramiXExtensionInit(int argc, char *argv[]) -{ - int i; - Bool success = FALSE; - ExtensionEntry *extEntry; - ScreenPtr pScreen = screenInfo.screens[0]; - PanoramiXScreenPtr pScreenPriv; - - if (noPanoramiXExtension) - return; - - if (!dixRegisterPrivateKey(&PanoramiXScreenKeyRec, PRIVATE_SCREEN, 0)) { - noPanoramiXExtension = TRUE; - return; - } - - if (!dixRegisterPrivateKey(&PanoramiXGCKeyRec, PRIVATE_GC, sizeof(PanoramiXGCRec))) { - noPanoramiXExtension = TRUE; - return; - } - - PanoramiXNumScreens = screenInfo.numScreens; - if (PanoramiXNumScreens == 1) { /* Only 1 screen */ - noPanoramiXExtension = TRUE; - return; - } - - while (panoramiXGeneration != serverGeneration) { - extEntry = AddExtension(PANORAMIX_PROTOCOL_NAME, 0,0, - ProcPanoramiXDispatch, - SProcPanoramiXDispatch, PanoramiXResetProc, - StandardMinorOpcode); - if (!extEntry) - break; - - /* - * First make sure all the basic allocations succeed. If not, - * run in non-PanoramiXeen mode. - */ - - FOR_NSCREENS(i) { - pScreen = screenInfo.screens[i]; - pScreenPriv = malloc(sizeof(PanoramiXScreenRec)); - dixSetPrivate(&pScreen->devPrivates, PanoramiXScreenKey, - pScreenPriv); - if(!pScreenPriv) { - noPanoramiXExtension = TRUE; - return; - } - - pScreenPriv->CreateGC = pScreen->CreateGC; - pScreenPriv->CloseScreen = pScreen->CloseScreen; - - pScreen->CreateGC = XineramaCreateGC; - pScreen->CloseScreen = XineramaCloseScreen; - } - - XRC_DRAWABLE = CreateNewResourceClass(); - XRT_WINDOW = CreateNewResourceType(XineramaDeleteResource, - "XineramaWindow"); - if (XRT_WINDOW) - XRT_WINDOW |= XRC_DRAWABLE; - XRT_PIXMAP = CreateNewResourceType(XineramaDeleteResource, - "XineramaPixmap"); - if (XRT_PIXMAP) - XRT_PIXMAP |= XRC_DRAWABLE; - XRT_GC = CreateNewResourceType(XineramaDeleteResource, - "XineramaGC"); - XRT_COLORMAP = CreateNewResourceType(XineramaDeleteResource, - "XineramaColormap"); - - if (XRT_WINDOW && XRT_PIXMAP && XRT_GC && XRT_COLORMAP) { - panoramiXGeneration = serverGeneration; - success = TRUE; - } - SetResourceTypeErrorValue(XRT_WINDOW, BadWindow); - SetResourceTypeErrorValue(XRT_PIXMAP, BadPixmap); - SetResourceTypeErrorValue(XRT_GC, BadGC); - SetResourceTypeErrorValue(XRT_COLORMAP, BadColor); - } - - if (!success) { - noPanoramiXExtension = TRUE; - ErrorF(PANORAMIX_PROTOCOL_NAME " extension failed to initialize\n"); - return; - } - - XineramaInitData(pScreen); - - /* - * Put our processes into the ProcVector - */ - - for (i = 256; i--; ) - SavedProcVector[i] = ProcVector[i]; - - ProcVector[X_CreateWindow] = PanoramiXCreateWindow; - ProcVector[X_ChangeWindowAttributes] = PanoramiXChangeWindowAttributes; - ProcVector[X_DestroyWindow] = PanoramiXDestroyWindow; - ProcVector[X_DestroySubwindows] = PanoramiXDestroySubwindows; - ProcVector[X_ChangeSaveSet] = PanoramiXChangeSaveSet; - ProcVector[X_ReparentWindow] = PanoramiXReparentWindow; - ProcVector[X_MapWindow] = PanoramiXMapWindow; - ProcVector[X_MapSubwindows] = PanoramiXMapSubwindows; - ProcVector[X_UnmapWindow] = PanoramiXUnmapWindow; - ProcVector[X_UnmapSubwindows] = PanoramiXUnmapSubwindows; - ProcVector[X_ConfigureWindow] = PanoramiXConfigureWindow; - ProcVector[X_CirculateWindow] = PanoramiXCirculateWindow; - ProcVector[X_GetGeometry] = PanoramiXGetGeometry; - ProcVector[X_TranslateCoords] = PanoramiXTranslateCoords; - ProcVector[X_CreatePixmap] = PanoramiXCreatePixmap; - ProcVector[X_FreePixmap] = PanoramiXFreePixmap; - ProcVector[X_CreateGC] = PanoramiXCreateGC; - ProcVector[X_ChangeGC] = PanoramiXChangeGC; - ProcVector[X_CopyGC] = PanoramiXCopyGC; - ProcVector[X_SetDashes] = PanoramiXSetDashes; - ProcVector[X_SetClipRectangles] = PanoramiXSetClipRectangles; - ProcVector[X_FreeGC] = PanoramiXFreeGC; - ProcVector[X_ClearArea] = PanoramiXClearToBackground; - ProcVector[X_CopyArea] = PanoramiXCopyArea; - ProcVector[X_CopyPlane] = PanoramiXCopyPlane; - ProcVector[X_PolyPoint] = PanoramiXPolyPoint; - ProcVector[X_PolyLine] = PanoramiXPolyLine; - ProcVector[X_PolySegment] = PanoramiXPolySegment; - ProcVector[X_PolyRectangle] = PanoramiXPolyRectangle; - ProcVector[X_PolyArc] = PanoramiXPolyArc; - ProcVector[X_FillPoly] = PanoramiXFillPoly; - ProcVector[X_PolyFillRectangle] = PanoramiXPolyFillRectangle; - ProcVector[X_PolyFillArc] = PanoramiXPolyFillArc; - ProcVector[X_PutImage] = PanoramiXPutImage; - ProcVector[X_GetImage] = PanoramiXGetImage; - ProcVector[X_PolyText8] = PanoramiXPolyText8; - ProcVector[X_PolyText16] = PanoramiXPolyText16; - ProcVector[X_ImageText8] = PanoramiXImageText8; - ProcVector[X_ImageText16] = PanoramiXImageText16; - ProcVector[X_CreateColormap] = PanoramiXCreateColormap; - ProcVector[X_FreeColormap] = PanoramiXFreeColormap; - ProcVector[X_CopyColormapAndFree] = PanoramiXCopyColormapAndFree; - ProcVector[X_InstallColormap] = PanoramiXInstallColormap; - ProcVector[X_UninstallColormap] = PanoramiXUninstallColormap; - ProcVector[X_AllocColor] = PanoramiXAllocColor; - ProcVector[X_AllocNamedColor] = PanoramiXAllocNamedColor; - ProcVector[X_AllocColorCells] = PanoramiXAllocColorCells; - ProcVector[X_AllocColorPlanes] = PanoramiXAllocColorPlanes; - ProcVector[X_FreeColors] = PanoramiXFreeColors; - ProcVector[X_StoreColors] = PanoramiXStoreColors; - ProcVector[X_StoreNamedColor] = PanoramiXStoreNamedColor; - - PanoramiXRenderInit (); -#ifdef XFIXES - PanoramiXFixesInit (); -#endif -#ifdef COMPOSITE - PanoramiXCompositeInit (); -#endif - -} - -extern Bool CreateConnectionBlock(void); - -Bool PanoramiXCreateConnectionBlock(void) -{ - int i, j, length; - Bool disableBackingStore = FALSE; - int old_width, old_height; - float width_mult, height_mult; - xWindowRoot *root; - xVisualType *visual; - xDepth *depth; - VisualPtr pVisual; - ScreenPtr pScreen; - - /* - * Do normal CreateConnectionBlock but faking it for only one screen - */ - - if(!PanoramiXNumDepths) { - ErrorF("Xinerama error: No common visuals\n"); - return FALSE; - } - - for(i = 1; i < screenInfo.numScreens; i++) { - pScreen = screenInfo.screens[i]; - if(pScreen->rootDepth != screenInfo.screens[0]->rootDepth) { - ErrorF("Xinerama error: Root window depths differ\n"); - return FALSE; - } - if(pScreen->backingStoreSupport != screenInfo.screens[0]->backingStoreSupport) - disableBackingStore = TRUE; - } - - if (disableBackingStore) { - for (i = 0; i < screenInfo.numScreens; i++) { - pScreen = screenInfo.screens[i]; - pScreen->backingStoreSupport = NotUseful; - } - } - - i = screenInfo.numScreens; - screenInfo.numScreens = 1; - if (!CreateConnectionBlock()) { - screenInfo.numScreens = i; - return FALSE; - } - - screenInfo.numScreens = i; - - root = (xWindowRoot *) (ConnectionInfo + connBlockScreenStart); - length = connBlockScreenStart + sizeof(xWindowRoot); - - /* overwrite the connection block */ - root->nDepths = PanoramiXNumDepths; - - for (i = 0; i < PanoramiXNumDepths; i++) { - depth = (xDepth *) (ConnectionInfo + length); - depth->depth = PanoramiXDepths[i].depth; - depth->nVisuals = PanoramiXDepths[i].numVids; - length += sizeof(xDepth); - visual = (xVisualType *)(ConnectionInfo + length); - - for (j = 0; j < depth->nVisuals; j++, visual++) { - visual->visualID = PanoramiXDepths[i].vids[j]; - - for (pVisual = PanoramiXVisuals; - pVisual->vid != visual->visualID; - pVisual++) - ; - - visual->class = pVisual->class; - visual->bitsPerRGB = pVisual->bitsPerRGBValue; - visual->colormapEntries = pVisual->ColormapEntries; - visual->redMask = pVisual->redMask; - visual->greenMask = pVisual->greenMask; - visual->blueMask = pVisual->blueMask; - } - - length += (depth->nVisuals * sizeof(xVisualType)); - } - - connSetupPrefix.length = bytes_to_int32(length); - - for (i = 0; i < PanoramiXNumDepths; i++) - free(PanoramiXDepths[i].vids); - free(PanoramiXDepths); - PanoramiXDepths = NULL; - - /* - * OK, change some dimensions so it looks as if it were one big screen - */ - - old_width = root->pixWidth; - old_height = root->pixHeight; - - root->pixWidth = PanoramiXPixWidth; - root->pixHeight = PanoramiXPixHeight; - width_mult = (1.0 * root->pixWidth) / old_width; - height_mult = (1.0 * root->pixHeight) / old_height; - root->mmWidth *= width_mult; - root->mmHeight *= height_mult; - - while(ConnectionCallbackList) { - pointer tmp; - - tmp = (pointer)ConnectionCallbackList; - (*ConnectionCallbackList->func)(); - ConnectionCallbackList = ConnectionCallbackList->next; - free(tmp); - } - - return TRUE; -} - -/* - * This isn't just memcmp(), bitsPerRGBValue is skipped. markv made that - * change way back before xf86 4.0, but the comment for _why_ is a bit - * opaque, so I'm not going to question it for now. - * - * This is probably better done as a screen hook so DBE/EVI/GLX can add - * their own tests, and adding privates to VisualRec so they don't have to - * do their own back-mapping. - */ -static Bool -VisualsEqual(VisualPtr a, ScreenPtr pScreenB, VisualPtr b) -{ - return ((a->class == b->class) && - (a->ColormapEntries == b->ColormapEntries) && - (a->nplanes == b->nplanes) && - (a->redMask == b->redMask) && - (a->greenMask == b->greenMask) && - (a->blueMask == b->blueMask) && - (a->offsetRed == b->offsetRed) && - (a->offsetGreen == b->offsetGreen) && - (a->offsetBlue == b->offsetBlue)); -} - -static void -PanoramiXMaybeAddDepth(DepthPtr pDepth) -{ - ScreenPtr pScreen; - int j, k; - Bool found = FALSE; - - FOR_NSCREENS_FORWARD_SKIP(j) { - pScreen = screenInfo.screens[j]; - for (k = 0; k < pScreen->numDepths; k++) { - if (pScreen->allowedDepths[k].depth == pDepth->depth) { - found = TRUE; - break; - } - } - } - - if (!found) - return; - - j = PanoramiXNumDepths; - PanoramiXNumDepths++; - PanoramiXDepths = realloc(PanoramiXDepths, - PanoramiXNumDepths * sizeof(DepthRec)); - PanoramiXDepths[j].depth = pDepth->depth; - PanoramiXDepths[j].numVids = 0; - /* XXX suboptimal, should grow these dynamically */ - if(pDepth->numVids) - PanoramiXDepths[j].vids = malloc(sizeof(VisualID) * pDepth->numVids); - else - PanoramiXDepths[j].vids = NULL; -} - -static void -PanoramiXMaybeAddVisual(VisualPtr pVisual) -{ - ScreenPtr pScreen; - int j, k; - Bool found = FALSE; - - FOR_NSCREENS_FORWARD_SKIP(j) { - pScreen = screenInfo.screens[j]; - found = FALSE; - - for (k = 0; k < pScreen->numVisuals; k++) { - VisualPtr candidate = &pScreen->visuals[k]; - - if ((*XineramaVisualsEqualPtr)(pVisual, pScreen, candidate) -#ifdef GLXPROXY - && glxMatchVisual(screenInfo.screens[0], pVisual, pScreen) -#endif - ) { - found = TRUE; - break; - } - } - - if (!found) - return; - } - - /* found a matching visual on all screens, add it to the subset list */ - j = PanoramiXNumVisuals; - PanoramiXNumVisuals++; - PanoramiXVisuals = realloc(PanoramiXVisuals, - PanoramiXNumVisuals * sizeof(VisualRec)); - - memcpy(&PanoramiXVisuals[j], pVisual, sizeof(VisualRec)); - - for (k = 0; k < PanoramiXNumDepths; k++) { - if (PanoramiXDepths[k].depth == pVisual->nplanes) { - PanoramiXDepths[k].vids[PanoramiXDepths[k].numVids] = pVisual->vid; - PanoramiXDepths[k].numVids++; - break; - } - } -} - -extern void -PanoramiXConsolidate(void) -{ - int i; - PanoramiXRes *root, *defmap, *saver; - ScreenPtr pScreen = screenInfo.screens[0]; - DepthPtr pDepth = pScreen->allowedDepths; - VisualPtr pVisual = pScreen->visuals; - - PanoramiXNumDepths = 0; - PanoramiXNumVisuals = 0; - - for (i = 0; i < pScreen->numDepths; i++) - PanoramiXMaybeAddDepth(pDepth++); - - for (i = 0; i < pScreen->numVisuals; i++) - PanoramiXMaybeAddVisual(pVisual++); - - root = malloc(sizeof(PanoramiXRes)); - root->type = XRT_WINDOW; - defmap = malloc(sizeof(PanoramiXRes)); - defmap->type = XRT_COLORMAP; - saver = malloc(sizeof(PanoramiXRes)); - saver->type = XRT_WINDOW; - - FOR_NSCREENS(i) { - ScreenPtr pScreen = screenInfo.screens[i]; - root->info[i].id = pScreen->root->drawable.id; - root->u.win.class = InputOutput; - root->u.win.root = TRUE; - saver->info[i].id = pScreen->screensaver.wid; - saver->u.win.class = InputOutput; - saver->u.win.root = TRUE; - defmap->info[i].id = pScreen->defColormap; - } - - AddResource(root->info[0].id, XRT_WINDOW, root); - AddResource(saver->info[0].id, XRT_WINDOW, saver); - AddResource(defmap->info[0].id, XRT_COLORMAP, defmap); -} - -VisualID -PanoramiXTranslateVisualID(int screen, VisualID orig) -{ - ScreenPtr pOtherScreen = screenInfo.screens[screen]; - VisualPtr pVisual = NULL; - int i; - - for (i = 0; i < PanoramiXNumVisuals; i++) { - if (orig == PanoramiXVisuals[i].vid) { - pVisual = &PanoramiXVisuals[i]; - break; - } - } - - if (!pVisual) - return 0; - - /* if screen is 0, orig is already the correct visual ID */ - if (screen == 0) - return orig; - - /* found the original, now translate it relative to the backend screen */ - for (i = 0; i < pOtherScreen->numVisuals; i++) { - VisualPtr pOtherVisual = &pOtherScreen->visuals[i]; - - if ((*XineramaVisualsEqualPtr)(pVisual, pOtherScreen, pOtherVisual)) - return pOtherVisual->vid; - } - - return 0; -} - - -/* - * PanoramiXResetProc() - * Exit, deallocating as needed. - */ - -static void PanoramiXResetProc(ExtensionEntry* extEntry) -{ - int i; - - PanoramiXRenderReset (); -#ifdef XFIXES - PanoramiXFixesReset (); -#endif - screenInfo.numScreens = PanoramiXNumScreens; - for (i = 256; i--; ) - ProcVector[i] = SavedProcVector[i]; -} - - -int -ProcPanoramiXQueryVersion (ClientPtr client) -{ - /* REQUEST(xPanoramiXQueryVersionReq); */ - xPanoramiXQueryVersionReply rep; - register int n; - - REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.majorVersion = SERVER_PANORAMIX_MAJOR_VERSION; - rep.minorVersion = SERVER_PANORAMIX_MINOR_VERSION; - if (client->swapped) { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swaps(&rep.majorVersion, n); - swaps(&rep.minorVersion, n); - } - WriteToClient(client, sizeof (xPanoramiXQueryVersionReply), (char *)&rep); - return Success; -} - -int -ProcPanoramiXGetState(ClientPtr client) -{ - REQUEST(xPanoramiXGetStateReq); - WindowPtr pWin; - xPanoramiXGetStateReply rep; - int n, rc; - - REQUEST_SIZE_MATCH(xPanoramiXGetStateReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.state = !noPanoramiXExtension; - rep.window = stuff->window; - if (client->swapped) { - swaps (&rep.sequenceNumber, n); - swapl (&rep.length, n); - swapl (&rep.window, n); - } - WriteToClient (client, sizeof (xPanoramiXGetStateReply), (char *) &rep); - return Success; - -} - -int -ProcPanoramiXGetScreenCount(ClientPtr client) -{ - REQUEST(xPanoramiXGetScreenCountReq); - WindowPtr pWin; - xPanoramiXGetScreenCountReply rep; - int n, rc; - - REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.ScreenCount = PanoramiXNumScreens; - rep.window = stuff->window; - if (client->swapped) { - swaps (&rep.sequenceNumber, n); - swapl (&rep.length, n); - swapl (&rep.window, n); - } - WriteToClient (client, sizeof (xPanoramiXGetScreenCountReply), (char *) &rep); - return Success; -} - -int -ProcPanoramiXGetScreenSize(ClientPtr client) -{ - REQUEST(xPanoramiXGetScreenSizeReq); - WindowPtr pWin; - xPanoramiXGetScreenSizeReply rep; - int n, rc; - - if (stuff->screen >= PanoramiXNumScreens) - return BadMatch; - - REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - /* screen dimensions */ - rep.width = screenInfo.screens[stuff->screen]->width; - rep.height = screenInfo.screens[stuff->screen]->height; - rep.window = stuff->window; - rep.screen = stuff->screen; - if (client->swapped) { - swaps (&rep.sequenceNumber, n); - swapl (&rep.length, n); - swapl (&rep.width, n); - swapl (&rep.height, n); - swapl (&rep.window, n); - swapl (&rep.screen, n); - } - WriteToClient (client, sizeof (xPanoramiXGetScreenSizeReply), (char *) &rep); - return Success; -} - - -int -ProcXineramaIsActive(ClientPtr client) -{ - /* REQUEST(xXineramaIsActiveReq); */ - xXineramaIsActiveReply rep; - - REQUEST_SIZE_MATCH(xXineramaIsActiveReq); - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; -#if 1 - { - /* The following hack fools clients into thinking that Xinerama - * is disabled even though it is not. */ - rep.state = !noPanoramiXExtension && !PanoramiXExtensionDisabledHack; - } -#else - rep.state = !noPanoramiXExtension; -#endif - if (client->swapped) { - int n; - swaps (&rep.sequenceNumber, n); - swapl (&rep.length, n); - swapl (&rep.state, n); - } - WriteToClient (client, sizeof (xXineramaIsActiveReply), (char *) &rep); - return Success; -} - - -int -ProcXineramaQueryScreens(ClientPtr client) -{ - /* REQUEST(xXineramaQueryScreensReq); */ - xXineramaQueryScreensReply rep; - - REQUEST_SIZE_MATCH(xXineramaQueryScreensReq); - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.number = (noPanoramiXExtension) ? 0 : PanoramiXNumScreens; - rep.length = bytes_to_int32(rep.number * sz_XineramaScreenInfo); - if (client->swapped) { - int n; - swaps (&rep.sequenceNumber, n); - swapl (&rep.length, n); - swapl (&rep.number, n); - } - WriteToClient (client, sizeof (xXineramaQueryScreensReply), (char *) &rep); - - if(!noPanoramiXExtension) { - xXineramaScreenInfo scratch; - int i; - - FOR_NSCREENS(i) { - scratch.x_org = screenInfo.screens[i]->x; - scratch.y_org = screenInfo.screens[i]->y; - scratch.width = screenInfo.screens[i]->width; - scratch.height = screenInfo.screens[i]->height; - - if(client->swapped) { - int n; - swaps (&scratch.x_org, n); - swaps (&scratch.y_org, n); - swaps (&scratch.width, n); - swaps (&scratch.height, n); - } - WriteToClient (client, sz_XineramaScreenInfo, (char *) &scratch); - } - } - - return Success; -} - - -static int -ProcPanoramiXDispatch (ClientPtr client) -{ REQUEST(xReq); - switch (stuff->data) - { - case X_PanoramiXQueryVersion: - return ProcPanoramiXQueryVersion(client); - case X_PanoramiXGetState: - return ProcPanoramiXGetState(client); - case X_PanoramiXGetScreenCount: - return ProcPanoramiXGetScreenCount(client); - case X_PanoramiXGetScreenSize: - return ProcPanoramiXGetScreenSize(client); - case X_XineramaIsActive: - return ProcXineramaIsActive(client); - case X_XineramaQueryScreens: - return ProcXineramaQueryScreens(client); - } - return BadRequest; -} - - -#if X_BYTE_ORDER == X_LITTLE_ENDIAN -#define SHIFT_L(v,s) (v) << (s) -#define SHIFT_R(v,s) (v) >> (s) -#else -#define SHIFT_L(v,s) (v) >> (s) -#define SHIFT_R(v,s) (v) << (s) -#endif - -static void -CopyBits(char *dst, int shiftL, char *src, int bytes) -{ - /* Just get it to work. Worry about speed later */ - int shiftR = 8 - shiftL; - - while(bytes--) { - *dst |= SHIFT_L(*src, shiftL); - *(dst + 1) |= SHIFT_R(*src, shiftR); - dst++; src++; - } -} - - -/* Caution. This doesn't support 2 and 4 bpp formats. We expect - 1 bpp and planar data to be already cleared when presented - to this function */ - -void -XineramaGetImageData( - DrawablePtr *pDrawables, - int left, - int top, - int width, - int height, - unsigned int format, - unsigned long planemask, - char *data, - int pitch, - Bool isRoot -){ - RegionRec SrcRegion, ScreenRegion, GrabRegion; - BoxRec SrcBox, *pbox; - int x, y, w, h, i, j, nbox, size, sizeNeeded, ScratchPitch, inOut, depth; - DrawablePtr pDraw = pDrawables[0]; - char *ScratchMem = NULL; - - size = 0; - - /* find box in logical screen space */ - SrcBox.x1 = left; - SrcBox.y1 = top; - if(!isRoot) { - SrcBox.x1 += pDraw->x + screenInfo.screens[0]->x; - SrcBox.y1 += pDraw->y + screenInfo.screens[0]->y; - } - SrcBox.x2 = SrcBox.x1 + width; - SrcBox.y2 = SrcBox.y1 + height; - - RegionInit(&SrcRegion, &SrcBox, 1); - RegionNull(&GrabRegion); - - depth = (format == XYPixmap) ? 1 : pDraw->depth; - - FOR_NSCREENS(i) { - BoxRec TheBox; - ScreenPtr pScreen; - pDraw = pDrawables[i]; - pScreen = pDraw->pScreen; - - TheBox.x1 = pScreen->x; - TheBox.x2 = TheBox.x1 + pScreen->width; - TheBox.y1 = pScreen->y; - TheBox.y2 = TheBox.y1 + pScreen->height; - - RegionInit(&ScreenRegion, &TheBox, 1); - inOut = RegionContainsRect(&ScreenRegion, &SrcBox); - if(inOut == rgnPART) - RegionIntersect(&GrabRegion, &SrcRegion, &ScreenRegion); - RegionUninit(&ScreenRegion); - - if(inOut == rgnIN) { - (*pScreen->GetImage)(pDraw, - SrcBox.x1 - pDraw->x - screenInfo.screens[i]->x, - SrcBox.y1 - pDraw->y - screenInfo.screens[i]->y, - width, height, format, planemask, data); - break; - } else if (inOut == rgnOUT) - continue; - - nbox = RegionNumRects(&GrabRegion); - - if(nbox) { - pbox = RegionRects(&GrabRegion); - - while(nbox--) { - w = pbox->x2 - pbox->x1; - h = pbox->y2 - pbox->y1; - ScratchPitch = PixmapBytePad(w, depth); - sizeNeeded = ScratchPitch * h; - - if(sizeNeeded > size) { - char *tmpdata = ScratchMem; - ScratchMem = realloc(ScratchMem, sizeNeeded); - if(ScratchMem) - size = sizeNeeded; - else { - ScratchMem = tmpdata; - break; - } - } - - x = pbox->x1 - pDraw->x - screenInfo.screens[i]->x; - y = pbox->y1 - pDraw->y - screenInfo.screens[i]->y; - - (*pScreen->GetImage)(pDraw, x, y, w, h, - format, planemask, ScratchMem); - - /* copy the memory over */ - - if(depth == 1) { - int k, shift, leftover, index, index2; - - x = pbox->x1 - SrcBox.x1; - y = pbox->y1 - SrcBox.y1; - shift = x & 7; - x >>= 3; - leftover = w & 7; - w >>= 3; - - /* clean up the edge */ - if(leftover) { - int mask = (1 << leftover) - 1; - for(j = h, k = w; j--; k += ScratchPitch) - ScratchMem[k] &= mask; - } - - for(j = 0, index = (pitch * y) + x, index2 = 0; j < h; - j++, index += pitch, index2 += ScratchPitch) - { - if(w) { - if(!shift) - memcpy(data + index, ScratchMem + index2, w); - else - CopyBits(data + index, shift, - ScratchMem + index2, w); - } - - if(leftover) { - data[index + w] |= - SHIFT_L(ScratchMem[index2 + w], shift); - if((shift + leftover) > 8) - data[index + w + 1] |= - SHIFT_R(ScratchMem[index2 + w],(8 - shift)); - } - } - } else { - j = BitsPerPixel(depth) >> 3; - x = (pbox->x1 - SrcBox.x1) * j; - y = pbox->y1 - SrcBox.y1; - w *= j; - - for(j = 0; j < h; j++) { - memcpy(data + (pitch * (y + j)) + x, - ScratchMem + (ScratchPitch * j), w); - } - } - pbox++; - } - - RegionSubtract(&SrcRegion, &SrcRegion, &GrabRegion); - if(!RegionNotEmpty(&SrcRegion)) - break; - } - - } - - free(ScratchMem); - - RegionUninit(&SrcRegion); - RegionUninit(&GrabRegion); -} +/***************************************************************** +Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. +******************************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#ifdef HAVE_DMX_CONFIG_H +#include +#endif + +#include +#include +#include +#include +#include "misc.h" +#include "cursor.h" +#include "cursorstr.h" +#include "extnsionst.h" +#include "dixstruct.h" +#include "gc.h" +#include "gcstruct.h" +#include "scrnintstr.h" +#include "window.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "panoramiX.h" +#include +#include "panoramiXsrv.h" +#include "globals.h" +#include "servermd.h" +#include "resource.h" +#include "picturestr.h" +#ifdef XFIXES +#include "xfixesint.h" +#endif +#ifdef COMPOSITE +#include "compint.h" +#endif +#include "modinit.h" +#include "protocol-versions.h" + +#ifdef GLXPROXY +extern VisualPtr glxMatchVisual(ScreenPtr pScreen, + VisualPtr pVisual, + ScreenPtr pMatchScreen); +#endif + +/* + * PanoramiX data declarations + */ + +int PanoramiXPixWidth = 0; +int PanoramiXPixHeight = 0; +int PanoramiXNumScreens = 0; + +static RegionRec PanoramiXScreenRegion = {{0, 0, 0, 0}, NULL}; + +static int PanoramiXNumDepths; +static DepthPtr PanoramiXDepths; +static int PanoramiXNumVisuals; +static VisualPtr PanoramiXVisuals; + +RESTYPE XRC_DRAWABLE; +RESTYPE XRT_WINDOW; +RESTYPE XRT_PIXMAP; +RESTYPE XRT_GC; +RESTYPE XRT_COLORMAP; + +static Bool VisualsEqual(VisualPtr, ScreenPtr, VisualPtr); +XineramaVisualsEqualProcPtr XineramaVisualsEqualPtr = &VisualsEqual; + +/* + * Function prototypes + */ + +static int panoramiXGeneration; +static int ProcPanoramiXDispatch(ClientPtr client); + +static void PanoramiXResetProc(ExtensionEntry*); + +/* + * External references for functions and data variables + */ + +#include "panoramiXh.h" + +int (* SavedProcVector[256]) (ClientPtr client) = { NULL, }; + +static DevPrivateKeyRec PanoramiXGCKeyRec; +#define PanoramiXGCKey (&PanoramiXGCKeyRec) +static DevPrivateKeyRec PanoramiXScreenKeyRec; +#define PanoramiXScreenKey (&PanoramiXScreenKeyRec) + +typedef struct { + DDXPointRec clipOrg; + DDXPointRec patOrg; + GCFuncs *wrapFuncs; +} PanoramiXGCRec, *PanoramiXGCPtr; + +typedef struct { + CreateGCProcPtr CreateGC; + CloseScreenProcPtr CloseScreen; +} PanoramiXScreenRec, *PanoramiXScreenPtr; + +static void XineramaValidateGC(GCPtr, unsigned long, DrawablePtr); +static void XineramaChangeGC(GCPtr, unsigned long); +static void XineramaCopyGC(GCPtr, unsigned long, GCPtr); +static void XineramaDestroyGC(GCPtr); +static void XineramaChangeClip(GCPtr, int, pointer, int); +static void XineramaDestroyClip(GCPtr); +static void XineramaCopyClip(GCPtr, GCPtr); + +static GCFuncs XineramaGCFuncs = { + XineramaValidateGC, XineramaChangeGC, XineramaCopyGC, XineramaDestroyGC, + XineramaChangeClip, XineramaDestroyClip, XineramaCopyClip +}; + +#define Xinerama_GC_FUNC_PROLOGUE(pGC)\ + PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) \ + dixLookupPrivate(&(pGC)->devPrivates, PanoramiXGCKey); \ + (pGC)->funcs = pGCPriv->wrapFuncs; + +#define Xinerama_GC_FUNC_EPILOGUE(pGC)\ + pGCPriv->wrapFuncs = (pGC)->funcs;\ + (pGC)->funcs = &XineramaGCFuncs; + + +static Bool +XineramaCloseScreen (int i, ScreenPtr pScreen) +{ + PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr) + dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey); + + pScreen->CloseScreen = pScreenPriv->CloseScreen; + pScreen->CreateGC = pScreenPriv->CreateGC; + + if (pScreen->myNum == 0) + RegionUninit(&PanoramiXScreenRegion); + + free((pointer) pScreenPriv); + + return (*pScreen->CloseScreen) (i, pScreen); +} + +static Bool +XineramaCreateGC(GCPtr pGC) +{ + ScreenPtr pScreen = pGC->pScreen; + PanoramiXScreenPtr pScreenPriv = (PanoramiXScreenPtr) + dixLookupPrivate(&pScreen->devPrivates, PanoramiXScreenKey); + Bool ret; + + pScreen->CreateGC = pScreenPriv->CreateGC; + if((ret = (*pScreen->CreateGC)(pGC))) { + PanoramiXGCPtr pGCPriv = (PanoramiXGCPtr) + dixLookupPrivate(&pGC->devPrivates, PanoramiXGCKey); + + pGCPriv->wrapFuncs = pGC->funcs; + pGC->funcs = &XineramaGCFuncs; + + pGCPriv->clipOrg.x = pGC->clipOrg.x; + pGCPriv->clipOrg.y = pGC->clipOrg.y; + pGCPriv->patOrg.x = pGC->patOrg.x; + pGCPriv->patOrg.y = pGC->patOrg.y; + } + pScreen->CreateGC = XineramaCreateGC; + + return ret; +} + +static void +XineramaValidateGC( + GCPtr pGC, + unsigned long changes, + DrawablePtr pDraw +){ + Xinerama_GC_FUNC_PROLOGUE (pGC); + + if((pDraw->type == DRAWABLE_WINDOW) && !(((WindowPtr)pDraw)->parent)) { + /* the root window */ + int x_off = pGC->pScreen->x; + int y_off = pGC->pScreen->y; + int new_val; + + new_val = pGCPriv->clipOrg.x - x_off; + if(pGC->clipOrg.x != new_val) { + pGC->clipOrg.x = new_val; + changes |= GCClipXOrigin; + } + new_val = pGCPriv->clipOrg.y - y_off; + if(pGC->clipOrg.y != new_val) { + pGC->clipOrg.y = new_val; + changes |= GCClipYOrigin; + } + new_val = pGCPriv->patOrg.x - x_off; + if(pGC->patOrg.x != new_val) { + pGC->patOrg.x = new_val; + changes |= GCTileStipXOrigin; + } + new_val = pGCPriv->patOrg.y - y_off; + if(pGC->patOrg.y != new_val) { + pGC->patOrg.y = new_val; + changes |= GCTileStipYOrigin; + } + } else { + if(pGC->clipOrg.x != pGCPriv->clipOrg.x) { + pGC->clipOrg.x = pGCPriv->clipOrg.x; + changes |= GCClipXOrigin; + } + if(pGC->clipOrg.y != pGCPriv->clipOrg.y) { + pGC->clipOrg.y = pGCPriv->clipOrg.y; + changes |= GCClipYOrigin; + } + if(pGC->patOrg.x != pGCPriv->patOrg.x) { + pGC->patOrg.x = pGCPriv->patOrg.x; + changes |= GCTileStipXOrigin; + } + if(pGC->patOrg.y != pGCPriv->patOrg.y) { + pGC->patOrg.y = pGCPriv->patOrg.y; + changes |= GCTileStipYOrigin; + } + } + + (*pGC->funcs->ValidateGC)(pGC, changes, pDraw); + Xinerama_GC_FUNC_EPILOGUE (pGC); +} + +static void +XineramaDestroyGC(GCPtr pGC) +{ + Xinerama_GC_FUNC_PROLOGUE (pGC); + (*pGC->funcs->DestroyGC)(pGC); + Xinerama_GC_FUNC_EPILOGUE (pGC); +} + +static void +XineramaChangeGC ( + GCPtr pGC, + unsigned long mask +){ + Xinerama_GC_FUNC_PROLOGUE (pGC); + + if(mask & GCTileStipXOrigin) + pGCPriv->patOrg.x = pGC->patOrg.x; + if(mask & GCTileStipYOrigin) + pGCPriv->patOrg.y = pGC->patOrg.y; + if(mask & GCClipXOrigin) + pGCPriv->clipOrg.x = pGC->clipOrg.x; + if(mask & GCClipYOrigin) + pGCPriv->clipOrg.y = pGC->clipOrg.y; + + (*pGC->funcs->ChangeGC) (pGC, mask); + Xinerama_GC_FUNC_EPILOGUE (pGC); +} + +static void +XineramaCopyGC ( + GCPtr pGCSrc, + unsigned long mask, + GCPtr pGCDst +){ + PanoramiXGCPtr pSrcPriv = (PanoramiXGCPtr) + dixLookupPrivate(&pGCSrc->devPrivates, PanoramiXGCKey); + Xinerama_GC_FUNC_PROLOGUE (pGCDst); + + if(mask & GCTileStipXOrigin) + pGCPriv->patOrg.x = pSrcPriv->patOrg.x; + if(mask & GCTileStipYOrigin) + pGCPriv->patOrg.y = pSrcPriv->patOrg.y; + if(mask & GCClipXOrigin) + pGCPriv->clipOrg.x = pSrcPriv->clipOrg.x; + if(mask & GCClipYOrigin) + pGCPriv->clipOrg.y = pSrcPriv->clipOrg.y; + + (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst); + Xinerama_GC_FUNC_EPILOGUE (pGCDst); +} + +static void +XineramaChangeClip ( + GCPtr pGC, + int type, + pointer pvalue, + int nrects +){ + Xinerama_GC_FUNC_PROLOGUE (pGC); + (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects); + Xinerama_GC_FUNC_EPILOGUE (pGC); +} + +static void +XineramaCopyClip(GCPtr pgcDst, GCPtr pgcSrc) +{ + Xinerama_GC_FUNC_PROLOGUE (pgcDst); + (* pgcDst->funcs->CopyClip)(pgcDst, pgcSrc); + Xinerama_GC_FUNC_EPILOGUE (pgcDst); +} + +static void +XineramaDestroyClip(GCPtr pGC) +{ + Xinerama_GC_FUNC_PROLOGUE (pGC); + (* pGC->funcs->DestroyClip)(pGC); + Xinerama_GC_FUNC_EPILOGUE (pGC); +} + +int +XineramaDeleteResource(pointer data, XID id) +{ + free(data); + return 1; +} + +typedef struct { + int screen; + int id; +} PanoramiXSearchData; + +static Bool +XineramaFindIDByScrnum(pointer resource, XID id, pointer privdata) +{ + PanoramiXRes *res = (PanoramiXRes*)resource; + PanoramiXSearchData *data = (PanoramiXSearchData*)privdata; + + return res->info[data->screen].id == data->id; +} + +PanoramiXRes * +PanoramiXFindIDByScrnum(RESTYPE type, XID id, int screen) +{ + PanoramiXSearchData data; + pointer val; + + if(!screen) { + dixLookupResourceByType(&val, id, type, serverClient, DixReadAccess); + return val; + } + + data.screen = screen; + data.id = id; + + return LookupClientResourceComplex(clients[CLIENT_ID(id)], type, + XineramaFindIDByScrnum, &data); +} + +typedef struct _connect_callback_list { + void (*func)(void); + struct _connect_callback_list *next; +} XineramaConnectionCallbackList; + +static XineramaConnectionCallbackList *ConnectionCallbackList = NULL; + +Bool +XineramaRegisterConnectionBlockCallback(void (*func)(void)) +{ + XineramaConnectionCallbackList *newlist; + + if(!(newlist = malloc(sizeof(XineramaConnectionCallbackList)))) + return FALSE; + + newlist->next = ConnectionCallbackList; + newlist->func = func; + ConnectionCallbackList = newlist; + + return TRUE; +} + +static void XineramaInitData(ScreenPtr pScreen) +{ + int i, w, h; + + RegionNull(&PanoramiXScreenRegion); + FOR_NSCREENS(i) { + BoxRec TheBox; + RegionRec ScreenRegion; + + pScreen = screenInfo.screens[i]; + + TheBox.x1 = pScreen->x; + TheBox.x2 = TheBox.x1 + pScreen->width; + TheBox.y1 = pScreen->y; + TheBox.y2 = TheBox.y1 + pScreen->height; + + RegionInit(&ScreenRegion, &TheBox, 1); + RegionUnion(&PanoramiXScreenRegion, &PanoramiXScreenRegion, + &ScreenRegion); + RegionUninit(&ScreenRegion); + } + + PanoramiXPixWidth = screenInfo.screens[0]->x + screenInfo.screens[0]->width; + PanoramiXPixHeight = screenInfo.screens[0]->y + screenInfo.screens[0]->height; + + FOR_NSCREENS_FORWARD_SKIP(i) { + pScreen = screenInfo.screens[i]; + w = pScreen->x + pScreen->width; + h = pScreen->y + pScreen->height; + + if (PanoramiXPixWidth < w) + PanoramiXPixWidth = w; + if (PanoramiXPixHeight < h) + PanoramiXPixHeight = h; + } +} + +void XineramaReinitData(ScreenPtr pScreen) +{ + RegionUninit(&PanoramiXScreenRegion); + XineramaInitData(pScreen); +} + +/* + * PanoramiXExtensionInit(): + * Called from InitExtensions in main(). + * Register PanoramiXeen Extension + * Initialize global variables. + */ + +void PanoramiXExtensionInit(int argc, char *argv[]) +{ + int i; + Bool success = FALSE; + ExtensionEntry *extEntry; + ScreenPtr pScreen = screenInfo.screens[0]; + PanoramiXScreenPtr pScreenPriv; + + if (noPanoramiXExtension) + return; + + if (!dixRegisterPrivateKey(&PanoramiXScreenKeyRec, PRIVATE_SCREEN, 0)) { + noPanoramiXExtension = TRUE; + return; + } + + if (!dixRegisterPrivateKey(&PanoramiXGCKeyRec, PRIVATE_GC, sizeof(PanoramiXGCRec))) { + noPanoramiXExtension = TRUE; + return; + } + + PanoramiXNumScreens = screenInfo.numScreens; + if (PanoramiXNumScreens == 1) { /* Only 1 screen */ + noPanoramiXExtension = TRUE; + return; + } + + while (panoramiXGeneration != serverGeneration) { + extEntry = AddExtension(PANORAMIX_PROTOCOL_NAME, 0,0, + ProcPanoramiXDispatch, + SProcPanoramiXDispatch, PanoramiXResetProc, + StandardMinorOpcode); + if (!extEntry) + break; + + /* + * First make sure all the basic allocations succeed. If not, + * run in non-PanoramiXeen mode. + */ + + FOR_NSCREENS(i) { + pScreen = screenInfo.screens[i]; + pScreenPriv = malloc(sizeof(PanoramiXScreenRec)); + dixSetPrivate(&pScreen->devPrivates, PanoramiXScreenKey, + pScreenPriv); + if(!pScreenPriv) { + noPanoramiXExtension = TRUE; + return; + } + + pScreenPriv->CreateGC = pScreen->CreateGC; + pScreenPriv->CloseScreen = pScreen->CloseScreen; + + pScreen->CreateGC = XineramaCreateGC; + pScreen->CloseScreen = XineramaCloseScreen; + } + + XRC_DRAWABLE = CreateNewResourceClass(); + XRT_WINDOW = CreateNewResourceType(XineramaDeleteResource, + "XineramaWindow"); + if (XRT_WINDOW) + XRT_WINDOW |= XRC_DRAWABLE; + XRT_PIXMAP = CreateNewResourceType(XineramaDeleteResource, + "XineramaPixmap"); + if (XRT_PIXMAP) + XRT_PIXMAP |= XRC_DRAWABLE; + XRT_GC = CreateNewResourceType(XineramaDeleteResource, + "XineramaGC"); + XRT_COLORMAP = CreateNewResourceType(XineramaDeleteResource, + "XineramaColormap"); + + if (XRT_WINDOW && XRT_PIXMAP && XRT_GC && XRT_COLORMAP) { + panoramiXGeneration = serverGeneration; + success = TRUE; + } + SetResourceTypeErrorValue(XRT_WINDOW, BadWindow); + SetResourceTypeErrorValue(XRT_PIXMAP, BadPixmap); + SetResourceTypeErrorValue(XRT_GC, BadGC); + SetResourceTypeErrorValue(XRT_COLORMAP, BadColor); + } + + if (!success) { + noPanoramiXExtension = TRUE; + ErrorF(PANORAMIX_PROTOCOL_NAME " extension failed to initialize\n"); + return; + } + + XineramaInitData(pScreen); + + /* + * Put our processes into the ProcVector + */ + + for (i = 256; i--; ) + SavedProcVector[i] = ProcVector[i]; + + ProcVector[X_CreateWindow] = PanoramiXCreateWindow; + ProcVector[X_ChangeWindowAttributes] = PanoramiXChangeWindowAttributes; + ProcVector[X_DestroyWindow] = PanoramiXDestroyWindow; + ProcVector[X_DestroySubwindows] = PanoramiXDestroySubwindows; + ProcVector[X_ChangeSaveSet] = PanoramiXChangeSaveSet; + ProcVector[X_ReparentWindow] = PanoramiXReparentWindow; + ProcVector[X_MapWindow] = PanoramiXMapWindow; + ProcVector[X_MapSubwindows] = PanoramiXMapSubwindows; + ProcVector[X_UnmapWindow] = PanoramiXUnmapWindow; + ProcVector[X_UnmapSubwindows] = PanoramiXUnmapSubwindows; + ProcVector[X_ConfigureWindow] = PanoramiXConfigureWindow; + ProcVector[X_CirculateWindow] = PanoramiXCirculateWindow; + ProcVector[X_GetGeometry] = PanoramiXGetGeometry; + ProcVector[X_TranslateCoords] = PanoramiXTranslateCoords; + ProcVector[X_CreatePixmap] = PanoramiXCreatePixmap; + ProcVector[X_FreePixmap] = PanoramiXFreePixmap; + ProcVector[X_CreateGC] = PanoramiXCreateGC; + ProcVector[X_ChangeGC] = PanoramiXChangeGC; + ProcVector[X_CopyGC] = PanoramiXCopyGC; + ProcVector[X_SetDashes] = PanoramiXSetDashes; + ProcVector[X_SetClipRectangles] = PanoramiXSetClipRectangles; + ProcVector[X_FreeGC] = PanoramiXFreeGC; + ProcVector[X_ClearArea] = PanoramiXClearToBackground; + ProcVector[X_CopyArea] = PanoramiXCopyArea; + ProcVector[X_CopyPlane] = PanoramiXCopyPlane; + ProcVector[X_PolyPoint] = PanoramiXPolyPoint; + ProcVector[X_PolyLine] = PanoramiXPolyLine; + ProcVector[X_PolySegment] = PanoramiXPolySegment; + ProcVector[X_PolyRectangle] = PanoramiXPolyRectangle; + ProcVector[X_PolyArc] = PanoramiXPolyArc; + ProcVector[X_FillPoly] = PanoramiXFillPoly; + ProcVector[X_PolyFillRectangle] = PanoramiXPolyFillRectangle; + ProcVector[X_PolyFillArc] = PanoramiXPolyFillArc; + ProcVector[X_PutImage] = PanoramiXPutImage; + ProcVector[X_GetImage] = PanoramiXGetImage; + ProcVector[X_PolyText8] = PanoramiXPolyText8; + ProcVector[X_PolyText16] = PanoramiXPolyText16; + ProcVector[X_ImageText8] = PanoramiXImageText8; + ProcVector[X_ImageText16] = PanoramiXImageText16; + ProcVector[X_CreateColormap] = PanoramiXCreateColormap; + ProcVector[X_FreeColormap] = PanoramiXFreeColormap; + ProcVector[X_CopyColormapAndFree] = PanoramiXCopyColormapAndFree; + ProcVector[X_InstallColormap] = PanoramiXInstallColormap; + ProcVector[X_UninstallColormap] = PanoramiXUninstallColormap; + ProcVector[X_AllocColor] = PanoramiXAllocColor; + ProcVector[X_AllocNamedColor] = PanoramiXAllocNamedColor; + ProcVector[X_AllocColorCells] = PanoramiXAllocColorCells; + ProcVector[X_AllocColorPlanes] = PanoramiXAllocColorPlanes; + ProcVector[X_FreeColors] = PanoramiXFreeColors; + ProcVector[X_StoreColors] = PanoramiXStoreColors; + ProcVector[X_StoreNamedColor] = PanoramiXStoreNamedColor; + + PanoramiXRenderInit (); +#ifdef XFIXES + PanoramiXFixesInit (); +#endif +#ifdef COMPOSITE + PanoramiXCompositeInit (); +#endif + +} + +extern Bool CreateConnectionBlock(void); + +Bool PanoramiXCreateConnectionBlock(void) +{ + int i, j, length; + Bool disableBackingStore = FALSE; + int old_width, old_height; + float width_mult, height_mult; + xWindowRoot *root; + xVisualType *visual; + xDepth *depth; + VisualPtr pVisual; + ScreenPtr pScreen; + + /* + * Do normal CreateConnectionBlock but faking it for only one screen + */ + + if(!PanoramiXNumDepths) { + ErrorF("Xinerama error: No common visuals\n"); + return FALSE; + } + + for(i = 1; i < screenInfo.numScreens; i++) { + pScreen = screenInfo.screens[i]; + if(pScreen->rootDepth != screenInfo.screens[0]->rootDepth) { + ErrorF("Xinerama error: Root window depths differ\n"); + return FALSE; + } + if(pScreen->backingStoreSupport != screenInfo.screens[0]->backingStoreSupport) + disableBackingStore = TRUE; + } + + if (disableBackingStore) { + for (i = 0; i < screenInfo.numScreens; i++) { + pScreen = screenInfo.screens[i]; + pScreen->backingStoreSupport = NotUseful; + } + } + + i = screenInfo.numScreens; + screenInfo.numScreens = 1; + if (!CreateConnectionBlock()) { + screenInfo.numScreens = i; + return FALSE; + } + + screenInfo.numScreens = i; + + root = (xWindowRoot *) (ConnectionInfo + connBlockScreenStart); + length = connBlockScreenStart + sizeof(xWindowRoot); + + /* overwrite the connection block */ + root->nDepths = PanoramiXNumDepths; + + for (i = 0; i < PanoramiXNumDepths; i++) { + depth = (xDepth *) (ConnectionInfo + length); + depth->depth = PanoramiXDepths[i].depth; + depth->nVisuals = PanoramiXDepths[i].numVids; + length += sizeof(xDepth); + visual = (xVisualType *)(ConnectionInfo + length); + + for (j = 0; j < depth->nVisuals; j++, visual++) { + visual->visualID = PanoramiXDepths[i].vids[j]; + + for (pVisual = PanoramiXVisuals; + pVisual->vid != visual->visualID; + pVisual++) + ; + + visual->class = pVisual->class; + visual->bitsPerRGB = pVisual->bitsPerRGBValue; + visual->colormapEntries = pVisual->ColormapEntries; + visual->redMask = pVisual->redMask; + visual->greenMask = pVisual->greenMask; + visual->blueMask = pVisual->blueMask; + } + + length += (depth->nVisuals * sizeof(xVisualType)); + } + + connSetupPrefix.length = bytes_to_int32(length); + + for (i = 0; i < PanoramiXNumDepths; i++) + free(PanoramiXDepths[i].vids); + free(PanoramiXDepths); + PanoramiXDepths = NULL; + + /* + * OK, change some dimensions so it looks as if it were one big screen + */ + + old_width = root->pixWidth; + old_height = root->pixHeight; + + root->pixWidth = PanoramiXPixWidth; + root->pixHeight = PanoramiXPixHeight; + width_mult = (1.0 * root->pixWidth) / old_width; + height_mult = (1.0 * root->pixHeight) / old_height; + root->mmWidth *= width_mult; + root->mmHeight *= height_mult; + + while(ConnectionCallbackList) { + pointer tmp; + + tmp = (pointer)ConnectionCallbackList; + (*ConnectionCallbackList->func)(); + ConnectionCallbackList = ConnectionCallbackList->next; + free(tmp); + } + + return TRUE; +} + +/* + * This isn't just memcmp(), bitsPerRGBValue is skipped. markv made that + * change way back before xf86 4.0, but the comment for _why_ is a bit + * opaque, so I'm not going to question it for now. + * + * This is probably better done as a screen hook so DBE/EVI/GLX can add + * their own tests, and adding privates to VisualRec so they don't have to + * do their own back-mapping. + */ +static Bool +VisualsEqual(VisualPtr a, ScreenPtr pScreenB, VisualPtr b) +{ + return ((a->class == b->class) && + (a->ColormapEntries == b->ColormapEntries) && + (a->nplanes == b->nplanes) && + (a->redMask == b->redMask) && + (a->greenMask == b->greenMask) && + (a->blueMask == b->blueMask) && + (a->offsetRed == b->offsetRed) && + (a->offsetGreen == b->offsetGreen) && + (a->offsetBlue == b->offsetBlue)); +} + +static void +PanoramiXMaybeAddDepth(DepthPtr pDepth) +{ + ScreenPtr pScreen; + int j, k; + Bool found = FALSE; + + FOR_NSCREENS_FORWARD_SKIP(j) { + pScreen = screenInfo.screens[j]; + for (k = 0; k < pScreen->numDepths; k++) { + if (pScreen->allowedDepths[k].depth == pDepth->depth) { + found = TRUE; + break; + } + } + } + + if (!found) + return; + + j = PanoramiXNumDepths; + PanoramiXNumDepths++; + PanoramiXDepths = realloc(PanoramiXDepths, + PanoramiXNumDepths * sizeof(DepthRec)); + PanoramiXDepths[j].depth = pDepth->depth; + PanoramiXDepths[j].numVids = 0; + /* XXX suboptimal, should grow these dynamically */ + if(pDepth->numVids) + PanoramiXDepths[j].vids = malloc(sizeof(VisualID) * pDepth->numVids); + else + PanoramiXDepths[j].vids = NULL; +} + +static void +PanoramiXMaybeAddVisual(VisualPtr pVisual) +{ + ScreenPtr pScreen; + int j, k; + Bool found = FALSE; + + FOR_NSCREENS_FORWARD_SKIP(j) { + pScreen = screenInfo.screens[j]; + found = FALSE; + + for (k = 0; k < pScreen->numVisuals; k++) { + VisualPtr candidate = &pScreen->visuals[k]; + + if ((*XineramaVisualsEqualPtr)(pVisual, pScreen, candidate) +#ifdef GLXPROXY + && glxMatchVisual(screenInfo.screens[0], pVisual, pScreen) +#endif + ) { + found = TRUE; + break; + } + } + + if (!found) + return; + } + + /* found a matching visual on all screens, add it to the subset list */ + j = PanoramiXNumVisuals; + PanoramiXNumVisuals++; + PanoramiXVisuals = realloc(PanoramiXVisuals, + PanoramiXNumVisuals * sizeof(VisualRec)); + + memcpy(&PanoramiXVisuals[j], pVisual, sizeof(VisualRec)); + + for (k = 0; k < PanoramiXNumDepths; k++) { + if (PanoramiXDepths[k].depth == pVisual->nplanes) { + PanoramiXDepths[k].vids[PanoramiXDepths[k].numVids] = pVisual->vid; + PanoramiXDepths[k].numVids++; + break; + } + } +} + +extern void +PanoramiXConsolidate(void) +{ + int i; + PanoramiXRes *root, *defmap, *saver; + ScreenPtr pScreen = screenInfo.screens[0]; + DepthPtr pDepth = pScreen->allowedDepths; + VisualPtr pVisual = pScreen->visuals; + + PanoramiXNumDepths = 0; + PanoramiXNumVisuals = 0; + + for (i = 0; i < pScreen->numDepths; i++) + PanoramiXMaybeAddDepth(pDepth++); + + for (i = 0; i < pScreen->numVisuals; i++) + PanoramiXMaybeAddVisual(pVisual++); + + root = malloc(sizeof(PanoramiXRes)); + root->type = XRT_WINDOW; + defmap = malloc(sizeof(PanoramiXRes)); + defmap->type = XRT_COLORMAP; + saver = malloc(sizeof(PanoramiXRes)); + saver->type = XRT_WINDOW; + + FOR_NSCREENS(i) { + ScreenPtr pScreen = screenInfo.screens[i]; + root->info[i].id = pScreen->root->drawable.id; + root->u.win.class = InputOutput; + root->u.win.root = TRUE; + saver->info[i].id = pScreen->screensaver.wid; + saver->u.win.class = InputOutput; + saver->u.win.root = TRUE; + defmap->info[i].id = pScreen->defColormap; + } + + AddResource(root->info[0].id, XRT_WINDOW, root); + AddResource(saver->info[0].id, XRT_WINDOW, saver); + AddResource(defmap->info[0].id, XRT_COLORMAP, defmap); +} + +VisualID +PanoramiXTranslateVisualID(int screen, VisualID orig) +{ + ScreenPtr pOtherScreen = screenInfo.screens[screen]; + VisualPtr pVisual = NULL; + int i; + + for (i = 0; i < PanoramiXNumVisuals; i++) { + if (orig == PanoramiXVisuals[i].vid) { + pVisual = &PanoramiXVisuals[i]; + break; + } + } + + if (!pVisual) + return 0; + + /* if screen is 0, orig is already the correct visual ID */ + if (screen == 0) + return orig; + + /* found the original, now translate it relative to the backend screen */ + for (i = 0; i < pOtherScreen->numVisuals; i++) { + VisualPtr pOtherVisual = &pOtherScreen->visuals[i]; + + if ((*XineramaVisualsEqualPtr)(pVisual, pOtherScreen, pOtherVisual)) + return pOtherVisual->vid; + } + + return 0; +} + + +/* + * PanoramiXResetProc() + * Exit, deallocating as needed. + */ + +static void PanoramiXResetProc(ExtensionEntry* extEntry) +{ + int i; + + PanoramiXRenderReset (); +#ifdef XFIXES + PanoramiXFixesReset (); +#endif + screenInfo.numScreens = PanoramiXNumScreens; + for (i = 256; i--; ) + ProcVector[i] = SavedProcVector[i]; +} + + +int +ProcPanoramiXQueryVersion (ClientPtr client) +{ + /* REQUEST(xPanoramiXQueryVersionReq); */ + xPanoramiXQueryVersionReply rep; + register int n; + + REQUEST_SIZE_MATCH (xPanoramiXQueryVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = SERVER_PANORAMIX_MAJOR_VERSION; + rep.minorVersion = SERVER_PANORAMIX_MINOR_VERSION; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + } + WriteToClient(client, sizeof (xPanoramiXQueryVersionReply), (char *)&rep); + return Success; +} + +int +ProcPanoramiXGetState(ClientPtr client) +{ + REQUEST(xPanoramiXGetStateReq); + WindowPtr pWin; + xPanoramiXGetStateReply rep; + int n, rc; + + REQUEST_SIZE_MATCH(xPanoramiXGetStateReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.state = !noPanoramiXExtension; + rep.window = stuff->window; + if (client->swapped) { + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.window, n); + } + WriteToClient (client, sizeof (xPanoramiXGetStateReply), (char *) &rep); + return Success; + +} + +int +ProcPanoramiXGetScreenCount(ClientPtr client) +{ + REQUEST(xPanoramiXGetScreenCountReq); + WindowPtr pWin; + xPanoramiXGetScreenCountReply rep; + int n, rc; + + REQUEST_SIZE_MATCH(xPanoramiXGetScreenCountReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.ScreenCount = PanoramiXNumScreens; + rep.window = stuff->window; + if (client->swapped) { + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.window, n); + } + WriteToClient (client, sizeof (xPanoramiXGetScreenCountReply), (char *) &rep); + return Success; +} + +int +ProcPanoramiXGetScreenSize(ClientPtr client) +{ + REQUEST(xPanoramiXGetScreenSizeReq); + WindowPtr pWin; + xPanoramiXGetScreenSizeReply rep; + int n, rc; + + if (stuff->screen >= PanoramiXNumScreens) + return BadMatch; + + REQUEST_SIZE_MATCH(xPanoramiXGetScreenSizeReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + /* screen dimensions */ + rep.width = screenInfo.screens[stuff->screen]->width; + rep.height = screenInfo.screens[stuff->screen]->height; + rep.window = stuff->window; + rep.screen = stuff->screen; + if (client->swapped) { + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.width, n); + swapl (&rep.height, n); + swapl (&rep.window, n); + swapl (&rep.screen, n); + } + WriteToClient (client, sizeof (xPanoramiXGetScreenSizeReply), (char *) &rep); + return Success; +} + + +int +ProcXineramaIsActive(ClientPtr client) +{ + /* REQUEST(xXineramaIsActiveReq); */ + xXineramaIsActiveReply rep; + + REQUEST_SIZE_MATCH(xXineramaIsActiveReq); + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; +#if 1 + { + /* The following hack fools clients into thinking that Xinerama + * is disabled even though it is not. */ + rep.state = !noPanoramiXExtension && !PanoramiXExtensionDisabledHack; + } +#else + rep.state = !noPanoramiXExtension; +#endif + if (client->swapped) { + int n; + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.state, n); + } + WriteToClient (client, sizeof (xXineramaIsActiveReply), (char *) &rep); + return Success; +} + + +int +ProcXineramaQueryScreens(ClientPtr client) +{ + /* REQUEST(xXineramaQueryScreensReq); */ + xXineramaQueryScreensReply rep; + + REQUEST_SIZE_MATCH(xXineramaQueryScreensReq); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.number = (noPanoramiXExtension) ? 0 : PanoramiXNumScreens; + rep.length = bytes_to_int32(rep.number * sz_XineramaScreenInfo); + if (client->swapped) { + int n; + swaps (&rep.sequenceNumber, n); + swapl (&rep.length, n); + swapl (&rep.number, n); + } + WriteToClient (client, sizeof (xXineramaQueryScreensReply), (char *) &rep); + + if(!noPanoramiXExtension) { + xXineramaScreenInfo scratch; + int i; + + FOR_NSCREENS(i) { + scratch.x_org = screenInfo.screens[i]->x; + scratch.y_org = screenInfo.screens[i]->y; + scratch.width = screenInfo.screens[i]->width; + scratch.height = screenInfo.screens[i]->height; + + if(client->swapped) { + int n; + swaps (&scratch.x_org, n); + swaps (&scratch.y_org, n); + swaps (&scratch.width, n); + swaps (&scratch.height, n); + } + WriteToClient (client, sz_XineramaScreenInfo, (char *) &scratch); + } + } + + return Success; +} + + +static int +ProcPanoramiXDispatch (ClientPtr client) +{ REQUEST(xReq); + switch (stuff->data) + { + case X_PanoramiXQueryVersion: + return ProcPanoramiXQueryVersion(client); + case X_PanoramiXGetState: + return ProcPanoramiXGetState(client); + case X_PanoramiXGetScreenCount: + return ProcPanoramiXGetScreenCount(client); + case X_PanoramiXGetScreenSize: + return ProcPanoramiXGetScreenSize(client); + case X_XineramaIsActive: + return ProcXineramaIsActive(client); + case X_XineramaQueryScreens: + return ProcXineramaQueryScreens(client); + } + return BadRequest; +} + + +#if X_BYTE_ORDER == X_LITTLE_ENDIAN +#define SHIFT_L(v,s) (v) << (s) +#define SHIFT_R(v,s) (v) >> (s) +#else +#define SHIFT_L(v,s) (v) >> (s) +#define SHIFT_R(v,s) (v) << (s) +#endif + +static void +CopyBits(char *dst, int shiftL, char *src, int bytes) +{ + /* Just get it to work. Worry about speed later */ + int shiftR = 8 - shiftL; + + while(bytes--) { + *dst |= SHIFT_L(*src, shiftL); + *(dst + 1) |= SHIFT_R(*src, shiftR); + dst++; src++; + } +} + + +/* Caution. This doesn't support 2 and 4 bpp formats. We expect + 1 bpp and planar data to be already cleared when presented + to this function */ + +void +XineramaGetImageData( + DrawablePtr *pDrawables, + int left, + int top, + int width, + int height, + unsigned int format, + unsigned long planemask, + char *data, + int pitch, + Bool isRoot +){ + RegionRec SrcRegion, ScreenRegion, GrabRegion; + BoxRec SrcBox, *pbox; + int x, y, w, h, i, j, nbox, size, sizeNeeded, ScratchPitch, inOut, depth; + DrawablePtr pDraw = pDrawables[0]; + char *ScratchMem = NULL; + + size = 0; + + /* find box in logical screen space */ + SrcBox.x1 = left; + SrcBox.y1 = top; + if(!isRoot) { + SrcBox.x1 += pDraw->x + screenInfo.screens[0]->x; + SrcBox.y1 += pDraw->y + screenInfo.screens[0]->y; + } + SrcBox.x2 = SrcBox.x1 + width; + SrcBox.y2 = SrcBox.y1 + height; + + RegionInit(&SrcRegion, &SrcBox, 1); + RegionNull(&GrabRegion); + + depth = (format == XYPixmap) ? 1 : pDraw->depth; + + FOR_NSCREENS(i) { + BoxRec TheBox; + ScreenPtr pScreen; + pDraw = pDrawables[i]; + pScreen = pDraw->pScreen; + + TheBox.x1 = pScreen->x; + TheBox.x2 = TheBox.x1 + pScreen->width; + TheBox.y1 = pScreen->y; + TheBox.y2 = TheBox.y1 + pScreen->height; + + RegionInit(&ScreenRegion, &TheBox, 1); + inOut = RegionContainsRect(&ScreenRegion, &SrcBox); + if(inOut == rgnPART) + RegionIntersect(&GrabRegion, &SrcRegion, &ScreenRegion); + RegionUninit(&ScreenRegion); + + if(inOut == rgnIN) { + (*pScreen->GetImage)(pDraw, + SrcBox.x1 - pDraw->x - screenInfo.screens[i]->x, + SrcBox.y1 - pDraw->y - screenInfo.screens[i]->y, + width, height, format, planemask, data); + break; + } else if (inOut == rgnOUT) + continue; + + nbox = RegionNumRects(&GrabRegion); + + if(nbox) { + pbox = RegionRects(&GrabRegion); + + while(nbox--) { + w = pbox->x2 - pbox->x1; + h = pbox->y2 - pbox->y1; + ScratchPitch = PixmapBytePad(w, depth); + sizeNeeded = ScratchPitch * h; + + if(sizeNeeded > size) { + char *tmpdata = ScratchMem; + ScratchMem = realloc(ScratchMem, sizeNeeded); + if(ScratchMem) + size = sizeNeeded; + else { + ScratchMem = tmpdata; + break; + } + } + + x = pbox->x1 - pDraw->x - screenInfo.screens[i]->x; + y = pbox->y1 - pDraw->y - screenInfo.screens[i]->y; + + (*pScreen->GetImage)(pDraw, x, y, w, h, + format, planemask, ScratchMem); + + /* copy the memory over */ + + if(depth == 1) { + int k, shift, leftover, index, index2; + + x = pbox->x1 - SrcBox.x1; + y = pbox->y1 - SrcBox.y1; + shift = x & 7; + x >>= 3; + leftover = w & 7; + w >>= 3; + + /* clean up the edge */ + if(leftover) { + int mask = (1 << leftover) - 1; + for(j = h, k = w; j--; k += ScratchPitch) + ScratchMem[k] &= mask; + } + + for(j = 0, index = (pitch * y) + x, index2 = 0; j < h; + j++, index += pitch, index2 += ScratchPitch) + { + if(w) { + if(!shift) + memcpy(data + index, ScratchMem + index2, w); + else + CopyBits(data + index, shift, + ScratchMem + index2, w); + } + + if(leftover) { + data[index + w] |= + SHIFT_L(ScratchMem[index2 + w], shift); + if((shift + leftover) > 8) + data[index + w + 1] |= + SHIFT_R(ScratchMem[index2 + w],(8 - shift)); + } + } + } else { + j = BitsPerPixel(depth) >> 3; + x = (pbox->x1 - SrcBox.x1) * j; + y = pbox->y1 - SrcBox.y1; + w *= j; + + for(j = 0; j < h; j++) { + memcpy(data + (pitch * (y + j)) + x, + ScratchMem + (ScratchPitch * j), w); + } + } + pbox++; + } + + RegionSubtract(&SrcRegion, &SrcRegion, &GrabRegion); + if(!RegionNotEmpty(&SrcRegion)) + break; + } + + } + + free(ScratchMem); + + RegionUninit(&SrcRegion); + RegionUninit(&GrabRegion); +} diff --git a/xorg-server/Xext/panoramiX.h b/xorg-server/Xext/panoramiX.h index 11e93f4fc..71651e558 100644 --- a/xorg-server/Xext/panoramiX.h +++ b/xorg-server/Xext/panoramiX.h @@ -1,80 +1,80 @@ -/***************************************************************** - -Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, -BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, -WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR -IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of Digital Equipment Corporation -shall not be used in advertising or otherwise to promote the sale, use or other -dealings in this Software without prior written authorization from Digital -Equipment Corporation. - -******************************************************************/ - - -/* THIS IS NOT AN X PROJECT TEAM SPECIFICATION */ - -/* - * PanoramiX definitions - */ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#ifndef _PANORAMIX_H_ -#define _PANORAMIX_H_ - -#define _PANORAMIX_SERVER -#include -#undef _PANORAMIX_SERVER -#include "gcstruct.h" -#include "dixstruct.h" - -typedef struct _PanoramiXInfo { - XID id ; -} PanoramiXInfo; - -typedef struct { - PanoramiXInfo info[MAXSCREENS]; - RESTYPE type; - union { - struct { - char visibility; - char class; - char root; - } win; - struct { - Bool shared; - } pix; - struct { - Bool root; - } pict; - char raw_data[4]; - } u; -} PanoramiXRes; - -#define FOR_NSCREENS_FORWARD(j) for(j = 0; j < PanoramiXNumScreens; j++) -#define FOR_NSCREENS_FORWARD_SKIP(j) for(j = 1; j < PanoramiXNumScreens; j++) -#define FOR_NSCREENS_BACKWARD(j) for(j = PanoramiXNumScreens - 1; j >= 0; j--) -#define FOR_NSCREENS(j) FOR_NSCREENS_FORWARD(j) - -#define IS_SHARED_PIXMAP(r) (((r)->type == XRT_PIXMAP) && (r)->u.pix.shared) - -#define IS_ROOT_DRAWABLE(d) (((d)->type == XRT_WINDOW) && (d)->u.win.root) -#endif /* _PANORAMIX_H_ */ +/***************************************************************** + +Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. + +******************************************************************/ + + +/* THIS IS NOT AN X PROJECT TEAM SPECIFICATION */ + +/* + * PanoramiX definitions + */ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#ifndef _PANORAMIX_H_ +#define _PANORAMIX_H_ + +#define _PANORAMIX_SERVER +#include +#undef _PANORAMIX_SERVER +#include "gcstruct.h" +#include "dixstruct.h" + +typedef struct _PanoramiXInfo { + XID id ; +} PanoramiXInfo; + +typedef struct { + PanoramiXInfo info[MAXSCREENS]; + RESTYPE type; + union { + struct { + char visibility; + char class; + char root; + } win; + struct { + Bool shared; + } pix; + struct { + Bool root; + } pict; + char raw_data[4]; + } u; +} PanoramiXRes; + +#define FOR_NSCREENS_FORWARD(j) for(j = 0; j < PanoramiXNumScreens; j++) +#define FOR_NSCREENS_FORWARD_SKIP(j) for(j = 1; j < PanoramiXNumScreens; j++) +#define FOR_NSCREENS_BACKWARD(j) for(j = PanoramiXNumScreens - 1; j >= 0; j--) +#define FOR_NSCREENS(j) FOR_NSCREENS_FORWARD(j) + +#define IS_SHARED_PIXMAP(r) (((r)->type == XRT_PIXMAP) && (r)->u.pix.shared) + +#define IS_ROOT_DRAWABLE(d) (((d)->type == XRT_WINDOW) && (d)->u.win.root) +#endif /* _PANORAMIX_H_ */ diff --git a/xorg-server/Xext/panoramiXprocs.c b/xorg-server/Xext/panoramiXprocs.c index 62798fb1d..9ea461173 100644 --- a/xorg-server/Xext/panoramiXprocs.c +++ b/xorg-server/Xext/panoramiXprocs.c @@ -1,2418 +1,2418 @@ -/***************************************************************** -Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, -BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, -WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR -IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of Digital Equipment Corporation -shall not be used in advertising or otherwise to promote the sale, use or other -dealings in this Software without prior written authorization from Digital -Equipment Corporation. -******************************************************************/ - -/* Massively rewritten by Mark Vojkovich */ - - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include -#include -#include -#include "windowstr.h" -#include "dixfontstr.h" -#include "gcstruct.h" -#include "colormapst.h" -#include "scrnintstr.h" -#include "opaque.h" -#include "inputstr.h" -#include "migc.h" -#include "misc.h" -#include "dixstruct.h" -#include "panoramiX.h" -#include "panoramiXsrv.h" -#include "resource.h" -#include "panoramiXh.h" - -#define XINERAMA_IMAGE_BUFSIZE (256*1024) -#define INPUTONLY_LEGAL_MASK (CWWinGravity | CWEventMask | \ - CWDontPropagate | CWOverrideRedirect | CWCursor ) - -int PanoramiXCreateWindow(ClientPtr client) -{ - PanoramiXRes *parent, *newWin; - PanoramiXRes *backPix = NULL; - PanoramiXRes *bordPix = NULL; - PanoramiXRes *cmap = NULL; - REQUEST(xCreateWindowReq); - int pback_offset = 0, pbord_offset = 0, cmap_offset = 0; - int result, len, j; - int orig_x, orig_y; - XID orig_visual, tmp; - Bool parentIsRoot; - - REQUEST_AT_LEAST_SIZE(xCreateWindowReq); - - len = client->req_len - bytes_to_int32(sizeof(xCreateWindowReq)); - if (Ones(stuff->mask) != len) - return BadLength; - - result = dixLookupResourceByType((pointer *)&parent, stuff->parent, - XRT_WINDOW, client, DixWriteAccess); - if (result != Success) - return result; - - if(stuff->class == CopyFromParent) - stuff->class = parent->u.win.class; - - if((stuff->class == InputOnly) && (stuff->mask & (~INPUTONLY_LEGAL_MASK))) - return BadMatch; - - if ((Mask)stuff->mask & CWBackPixmap) { - pback_offset = Ones((Mask)stuff->mask & (CWBackPixmap - 1)); - tmp = *((CARD32 *) &stuff[1] + pback_offset); - if ((tmp != None) && (tmp != ParentRelative)) { - result = dixLookupResourceByType((pointer *)&backPix, tmp, - XRT_PIXMAP, client, DixReadAccess); - if (result != Success) - return result; - } - } - if ((Mask)stuff->mask & CWBorderPixmap) { - pbord_offset = Ones((Mask)stuff->mask & (CWBorderPixmap - 1)); - tmp = *((CARD32 *) &stuff[1] + pbord_offset); - if (tmp != CopyFromParent) { - result = dixLookupResourceByType((pointer *)&bordPix, tmp, - XRT_PIXMAP, client, DixReadAccess); - if (result != Success) - return result; - } - } - if ((Mask)stuff->mask & CWColormap) { - cmap_offset = Ones((Mask)stuff->mask & (CWColormap - 1)); - tmp = *((CARD32 *) &stuff[1] + cmap_offset); - if ((tmp != CopyFromParent) && (tmp != None)) { - result = dixLookupResourceByType((pointer *)&cmap, tmp, - XRT_COLORMAP, client, DixReadAccess); - if (result != Success) - return result; - } - } - - if(!(newWin = malloc(sizeof(PanoramiXRes)))) - return BadAlloc; - - newWin->type = XRT_WINDOW; - newWin->u.win.visibility = VisibilityNotViewable; - newWin->u.win.class = stuff->class; - newWin->u.win.root = FALSE; - panoramix_setup_ids(newWin, client, stuff->wid); - - if (stuff->class == InputOnly) - stuff->visual = CopyFromParent; - orig_visual = stuff->visual; - orig_x = stuff->x; - orig_y = stuff->y; - parentIsRoot = (stuff->parent == screenInfo.screens[0]->root->drawable.id) || - (stuff->parent == screenInfo.screens[0]->screensaver.wid); - FOR_NSCREENS_BACKWARD(j) { - stuff->wid = newWin->info[j].id; - stuff->parent = parent->info[j].id; - if (parentIsRoot) { - stuff->x = orig_x - screenInfo.screens[j]->x; - stuff->y = orig_y - screenInfo.screens[j]->y; - } - if (backPix) - *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[j].id; - if (bordPix) - *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[j].id; - if (cmap) - *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[j].id; - if ( orig_visual != CopyFromParent ) - stuff->visual = PanoramiXTranslateVisualID(j, orig_visual); - result = (*SavedProcVector[X_CreateWindow])(client); - if(result != Success) break; - } - - if (result == Success) - AddResource(newWin->info[0].id, XRT_WINDOW, newWin); - else - free(newWin); - - return result; -} - - -int PanoramiXChangeWindowAttributes(ClientPtr client) -{ - PanoramiXRes *win; - PanoramiXRes *backPix = NULL; - PanoramiXRes *bordPix = NULL; - PanoramiXRes *cmap = NULL; - REQUEST(xChangeWindowAttributesReq); - int pback_offset = 0, pbord_offset = 0, cmap_offset = 0; - int result, len, j; - XID tmp; - - REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq); - - len = client->req_len - bytes_to_int32(sizeof(xChangeWindowAttributesReq)); - if (Ones(stuff->valueMask) != len) - return BadLength; - - result = dixLookupResourceByType((pointer *)&win, stuff->window, - XRT_WINDOW, client, DixWriteAccess); - if (result != Success) - return result; - - if((win->u.win.class == InputOnly) && - (stuff->valueMask & (~INPUTONLY_LEGAL_MASK))) - return BadMatch; - - if ((Mask)stuff->valueMask & CWBackPixmap) { - pback_offset = Ones((Mask)stuff->valueMask & (CWBackPixmap - 1)); - tmp = *((CARD32 *) &stuff[1] + pback_offset); - if ((tmp != None) && (tmp != ParentRelative)) { - result = dixLookupResourceByType((pointer *)&backPix, tmp, - XRT_PIXMAP, client, DixReadAccess); - if (result != Success) - return result; - } - } - if ((Mask)stuff->valueMask & CWBorderPixmap) { - pbord_offset = Ones((Mask)stuff->valueMask & (CWBorderPixmap - 1)); - tmp = *((CARD32 *) &stuff[1] + pbord_offset); - if (tmp != CopyFromParent) { - result = dixLookupResourceByType((pointer *)&bordPix, tmp, - XRT_PIXMAP, client, DixReadAccess); - if (result != Success) - return result; - } - } - if ((Mask)stuff->valueMask & CWColormap) { - cmap_offset = Ones((Mask)stuff->valueMask & (CWColormap - 1)); - tmp = *((CARD32 *) &stuff[1] + cmap_offset); - if ((tmp != CopyFromParent) && (tmp != None)) { - result = dixLookupResourceByType((pointer *)&cmap, tmp, - XRT_COLORMAP, client, DixReadAccess); - if (result != Success) - return result; - } - } - - FOR_NSCREENS_BACKWARD(j) { - stuff->window = win->info[j].id; - if (backPix) - *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[j].id; - if (bordPix) - *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[j].id; - if (cmap) - *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[j].id; - result = (*SavedProcVector[X_ChangeWindowAttributes])(client); - } - - return result; -} - - -int PanoramiXDestroyWindow(ClientPtr client) -{ - PanoramiXRes *win; - int result, j; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - - result = dixLookupResourceByType((pointer *)&win, stuff->id, XRT_WINDOW, - client, DixDestroyAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j) { - stuff->id = win->info[j].id; - result = (*SavedProcVector[X_DestroyWindow])(client); - if(result != Success) break; - } - - /* Since ProcDestroyWindow is using FreeResource, it will free - our resource for us on the last pass through the loop above */ - - return result; -} - - -int PanoramiXDestroySubwindows(ClientPtr client) -{ - PanoramiXRes *win; - int result, j; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - - result = dixLookupResourceByType((pointer *)&win, stuff->id, XRT_WINDOW, - client, DixDestroyAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j) { - stuff->id = win->info[j].id; - result = (*SavedProcVector[X_DestroySubwindows])(client); - if(result != Success) break; - } - - /* DestroySubwindows is using FreeResource which will free - our resources for us on the last pass through the loop above */ - - return result; -} - - -int PanoramiXChangeSaveSet(ClientPtr client) -{ - PanoramiXRes *win; - int result, j; - REQUEST(xChangeSaveSetReq); - - REQUEST_SIZE_MATCH(xChangeSaveSetReq); - - result = dixLookupResourceByType((pointer *)&win, stuff->window, - XRT_WINDOW, client, DixReadAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j) { - stuff->window = win->info[j].id; - result = (*SavedProcVector[X_ChangeSaveSet])(client); - if(result != Success) break; - } - - return result; -} - - -int PanoramiXReparentWindow(ClientPtr client) -{ - PanoramiXRes *win, *parent; - int result, j; - int x, y; - Bool parentIsRoot; - REQUEST(xReparentWindowReq); - - REQUEST_SIZE_MATCH(xReparentWindowReq); - - result = dixLookupResourceByType((pointer *)&win, stuff->window, - XRT_WINDOW, client, DixWriteAccess); - if (result != Success) - return result; - - result = dixLookupResourceByType((pointer *)&parent, stuff->parent, - XRT_WINDOW, client, DixWriteAccess); - if (result != Success) - return result; - - x = stuff->x; - y = stuff->y; - parentIsRoot = (stuff->parent == screenInfo.screens[0]->root->drawable.id) || - (stuff->parent == screenInfo.screens[0]->screensaver.wid); - FOR_NSCREENS_BACKWARD(j) { - stuff->window = win->info[j].id; - stuff->parent = parent->info[j].id; - if(parentIsRoot) { - stuff->x = x - screenInfo.screens[j]->x; - stuff->y = y - screenInfo.screens[j]->y; - } - result = (*SavedProcVector[X_ReparentWindow])(client); - if(result != Success) break; - } - - return result; -} - - -int PanoramiXMapWindow(ClientPtr client) -{ - PanoramiXRes *win; - int result, j; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - - result = dixLookupResourceByType((pointer *)&win, stuff->id, - XRT_WINDOW, client, DixReadAccess); - if (result != Success) - return result; - - FOR_NSCREENS_FORWARD(j) { - stuff->id = win->info[j].id; - result = (*SavedProcVector[X_MapWindow])(client); - if(result != Success) break; - } - - return result; -} - - -int PanoramiXMapSubwindows(ClientPtr client) -{ - PanoramiXRes *win; - int result, j; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - - result = dixLookupResourceByType((pointer *)&win, stuff->id, - XRT_WINDOW, client, DixReadAccess); - if (result != Success) - return result; - - FOR_NSCREENS_FORWARD(j) { - stuff->id = win->info[j].id; - result = (*SavedProcVector[X_MapSubwindows])(client); - if(result != Success) break; - } - - return result; -} - - -int PanoramiXUnmapWindow(ClientPtr client) -{ - PanoramiXRes *win; - int result, j; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - - result = dixLookupResourceByType((pointer *)&win, stuff->id, - XRT_WINDOW, client, DixReadAccess); - if (result != Success) - return result; - - FOR_NSCREENS_FORWARD(j) { - stuff->id = win->info[j].id; - result = (*SavedProcVector[X_UnmapWindow])(client); - if(result != Success) break; - } - - return result; -} - - -int PanoramiXUnmapSubwindows(ClientPtr client) -{ - PanoramiXRes *win; - int result, j; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - - result = dixLookupResourceByType((pointer *)&win, stuff->id, - XRT_WINDOW, client, DixReadAccess); - if (result != Success) - return result; - - FOR_NSCREENS_FORWARD(j) { - stuff->id = win->info[j].id; - result = (*SavedProcVector[X_UnmapSubwindows])(client); - if(result != Success) break; - } - - return result; -} - - -int PanoramiXConfigureWindow(ClientPtr client) -{ - PanoramiXRes *win; - PanoramiXRes *sib = NULL; - WindowPtr pWin; - int result, j, len, sib_offset = 0, x = 0, y = 0; - int x_offset = -1; - int y_offset = -1; - REQUEST(xConfigureWindowReq); - - REQUEST_AT_LEAST_SIZE(xConfigureWindowReq); - - len = client->req_len - bytes_to_int32(sizeof(xConfigureWindowReq)); - if (Ones(stuff->mask) != len) - return BadLength; - - /* because we need the parent */ - result = dixLookupResourceByType((pointer *)&pWin, stuff->window, - RT_WINDOW, client, DixWriteAccess); - if (result != Success) - return result; - - result = dixLookupResourceByType((pointer *)&win, stuff->window, - XRT_WINDOW, client, DixWriteAccess); - if (result != Success) - return result; - - if ((Mask)stuff->mask & CWSibling) { - XID tmp; - sib_offset = Ones((Mask)stuff->mask & (CWSibling - 1)); - if ((tmp = *((CARD32 *) &stuff[1] + sib_offset))) { - result = dixLookupResourceByType((pointer *)&sib, tmp, XRT_WINDOW, - client, DixReadAccess); - if (result != Success) - return result; - } - } - - if(pWin->parent && ((pWin->parent == screenInfo.screens[0]->root) || - (pWin->parent->drawable.id == screenInfo.screens[0]->screensaver.wid))) - { - if ((Mask)stuff->mask & CWX) { - x_offset = 0; - x = *((CARD32 *)&stuff[1]); - } - if ((Mask)stuff->mask & CWY) { - y_offset = (x_offset == -1) ? 0 : 1; - y = *((CARD32 *) &stuff[1] + y_offset); - } - } - - /* have to go forward or you get expose events before - ConfigureNotify events */ - FOR_NSCREENS_FORWARD(j) { - stuff->window = win->info[j].id; - if(sib) - *((CARD32 *) &stuff[1] + sib_offset) = sib->info[j].id; - if(x_offset >= 0) - *((CARD32 *) &stuff[1] + x_offset) = x - screenInfo.screens[j]->x; - if(y_offset >= 0) - *((CARD32 *) &stuff[1] + y_offset) = y - screenInfo.screens[j]->y; - result = (*SavedProcVector[X_ConfigureWindow])(client); - if(result != Success) break; - } - - return result; -} - - -int PanoramiXCirculateWindow(ClientPtr client) -{ - PanoramiXRes *win; - int result, j; - REQUEST(xCirculateWindowReq); - - REQUEST_SIZE_MATCH(xCirculateWindowReq); - - result = dixLookupResourceByType((pointer *)&win, stuff->window, - XRT_WINDOW, client, DixWriteAccess); - if (result != Success) - return result; - - FOR_NSCREENS_FORWARD(j) { - stuff->window = win->info[j].id; - result = (*SavedProcVector[X_CirculateWindow])(client); - if(result != Success) break; - } - - return result; -} - - -int PanoramiXGetGeometry(ClientPtr client) -{ - xGetGeometryReply rep; - DrawablePtr pDraw; - int rc; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - rc = dixLookupDrawable(&pDraw, stuff->id, client, M_ANY, DixGetAttrAccess); - if (rc != Success) - return rc; - - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.root = screenInfo.screens[0]->root->drawable.id; - rep.depth = pDraw->depth; - rep.width = pDraw->width; - rep.height = pDraw->height; - rep.x = rep.y = rep.borderWidth = 0; - - if (stuff->id == rep.root) { - xWindowRoot *root = (xWindowRoot *) - (ConnectionInfo + connBlockScreenStart); - - rep.width = root->pixWidth; - rep.height = root->pixHeight; - } else - if (WindowDrawable(pDraw->type)) - { - WindowPtr pWin = (WindowPtr)pDraw; - rep.x = pWin->origin.x - wBorderWidth (pWin); - rep.y = pWin->origin.y - wBorderWidth (pWin); - if((pWin->parent == screenInfo.screens[0]->root) || - (pWin->parent->drawable.id == screenInfo.screens[0]->screensaver.wid)) - { - rep.x += screenInfo.screens[0]->x; - rep.y += screenInfo.screens[0]->y; - } - rep.borderWidth = pWin->borderWidth; - } - - WriteReplyToClient(client, sizeof(xGetGeometryReply), &rep); - return Success; -} - -int PanoramiXTranslateCoords(ClientPtr client) -{ - INT16 x, y; - REQUEST(xTranslateCoordsReq); - int rc; - WindowPtr pWin, pDst; - xTranslateCoordsReply rep; - - REQUEST_SIZE_MATCH(xTranslateCoordsReq); - rc = dixLookupWindow(&pWin, stuff->srcWid, client, DixReadAccess); - if (rc != Success) - return rc; - rc = dixLookupWindow(&pDst, stuff->dstWid, client, DixReadAccess); - if (rc != Success) - return rc; - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.sameScreen = xTrue; - rep.child = None; - - if((pWin == screenInfo.screens[0]->root) || - (pWin->drawable.id == screenInfo.screens[0]->screensaver.wid)) - { - x = stuff->srcX - screenInfo.screens[0]->x; - y = stuff->srcY - screenInfo.screens[0]->y; - } else { - x = pWin->drawable.x + stuff->srcX; - y = pWin->drawable.y + stuff->srcY; - } - pWin = pDst->firstChild; - while (pWin) { - BoxRec box; - if ((pWin->mapped) && - (x >= pWin->drawable.x - wBorderWidth (pWin)) && - (x < pWin->drawable.x + (int)pWin->drawable.width + - wBorderWidth (pWin)) && - (y >= pWin->drawable.y - wBorderWidth (pWin)) && - (y < pWin->drawable.y + (int)pWin->drawable.height + - wBorderWidth (pWin)) - /* When a window is shaped, a further check - * is made to see if the point is inside - * borderSize - */ - && (!wBoundingShape(pWin) || - RegionContainsPoint(wBoundingShape(pWin), - x - pWin->drawable.x, - y - pWin->drawable.y, &box)) - ) - { - rep.child = pWin->drawable.id; - pWin = (WindowPtr) NULL; - } - else - pWin = pWin->nextSib; - } - rep.dstX = x - pDst->drawable.x; - rep.dstY = y - pDst->drawable.y; - if((pDst == screenInfo.screens[0]->root) || - (pDst->drawable.id == screenInfo.screens[0]->screensaver.wid)) - { - rep.dstX += screenInfo.screens[0]->x; - rep.dstY += screenInfo.screens[0]->y; - } - - WriteReplyToClient(client, sizeof(xTranslateCoordsReply), &rep); - return Success; -} - -int PanoramiXCreatePixmap(ClientPtr client) -{ - PanoramiXRes *refDraw, *newPix; - int result, j; - REQUEST(xCreatePixmapReq); - - REQUEST_SIZE_MATCH(xCreatePixmapReq); - client->errorValue = stuff->pid; - - result = dixLookupResourceByClass((pointer *)&refDraw, stuff->drawable, - XRC_DRAWABLE, client, DixReadAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(!(newPix = malloc(sizeof(PanoramiXRes)))) - return BadAlloc; - - newPix->type = XRT_PIXMAP; - newPix->u.pix.shared = FALSE; - panoramix_setup_ids(newPix, client, stuff->pid); - - FOR_NSCREENS_BACKWARD(j) { - stuff->pid = newPix->info[j].id; - stuff->drawable = refDraw->info[j].id; - result = (*SavedProcVector[X_CreatePixmap])(client); - if(result != Success) break; - } - - if (result == Success) - AddResource(newPix->info[0].id, XRT_PIXMAP, newPix); - else - free(newPix); - - return result; -} - - -int PanoramiXFreePixmap(ClientPtr client) -{ - PanoramiXRes *pix; - int result, j; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - - client->errorValue = stuff->id; - - result = dixLookupResourceByType((pointer *)&pix, stuff->id, XRT_PIXMAP, - client, DixDestroyAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j) { - stuff->id = pix->info[j].id; - result = (*SavedProcVector[X_FreePixmap])(client); - if(result != Success) break; - } - - /* Since ProcFreePixmap is using FreeResource, it will free - our resource for us on the last pass through the loop above */ - - return result; -} - - -int PanoramiXCreateGC(ClientPtr client) -{ - PanoramiXRes *refDraw; - PanoramiXRes *newGC; - PanoramiXRes *stip = NULL; - PanoramiXRes *tile = NULL; - PanoramiXRes *clip = NULL; - REQUEST(xCreateGCReq); - int tile_offset = 0, stip_offset = 0, clip_offset = 0; - int result, len, j; - XID tmp; - - REQUEST_AT_LEAST_SIZE(xCreateGCReq); - - client->errorValue = stuff->gc; - len = client->req_len - bytes_to_int32(sizeof(xCreateGCReq)); - if (Ones(stuff->mask) != len) - return BadLength; - - result = dixLookupResourceByClass((pointer *)&refDraw, stuff->drawable, - XRC_DRAWABLE, client, DixReadAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if ((Mask)stuff->mask & GCTile) { - tile_offset = Ones((Mask)stuff->mask & (GCTile - 1)); - if ((tmp = *((CARD32 *) &stuff[1] + tile_offset))) { - result = dixLookupResourceByType((pointer *)&tile, tmp, XRT_PIXMAP, - client, DixReadAccess); - if (result != Success) - return result; - } - } - if ((Mask)stuff->mask & GCStipple) { - stip_offset = Ones((Mask)stuff->mask & (GCStipple - 1)); - if ((tmp = *((CARD32 *) &stuff[1] + stip_offset))) { - result = dixLookupResourceByType((pointer *)&stip, tmp, XRT_PIXMAP, - client, DixReadAccess); - if (result != Success) - return result; - } - } - if ((Mask)stuff->mask & GCClipMask) { - clip_offset = Ones((Mask)stuff->mask & (GCClipMask - 1)); - if ((tmp = *((CARD32 *) &stuff[1] + clip_offset))) { - result = dixLookupResourceByType((pointer *)&clip, tmp, XRT_PIXMAP, - client, DixReadAccess); - if (result != Success) - return result; - } - } - - if(!(newGC = malloc(sizeof(PanoramiXRes)))) - return BadAlloc; - - newGC->type = XRT_GC; - panoramix_setup_ids(newGC, client, stuff->gc); - - FOR_NSCREENS_BACKWARD(j) { - stuff->gc = newGC->info[j].id; - stuff->drawable = refDraw->info[j].id; - if (tile) - *((CARD32 *) &stuff[1] + tile_offset) = tile->info[j].id; - if (stip) - *((CARD32 *) &stuff[1] + stip_offset) = stip->info[j].id; - if (clip) - *((CARD32 *) &stuff[1] + clip_offset) = clip->info[j].id; - result = (*SavedProcVector[X_CreateGC])(client); - if(result != Success) break; - } - - if (result == Success) - AddResource(newGC->info[0].id, XRT_GC, newGC); - else - free(newGC); - - return result; -} - -int PanoramiXChangeGC(ClientPtr client) -{ - PanoramiXRes *gc; - PanoramiXRes *stip = NULL; - PanoramiXRes *tile = NULL; - PanoramiXRes *clip = NULL; - REQUEST(xChangeGCReq); - int tile_offset = 0, stip_offset = 0, clip_offset = 0; - int result, len, j; - XID tmp; - - REQUEST_AT_LEAST_SIZE(xChangeGCReq); - - len = client->req_len - bytes_to_int32(sizeof(xChangeGCReq)); - if (Ones(stuff->mask) != len) - return BadLength; - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - if ((Mask)stuff->mask & GCTile) { - tile_offset = Ones((Mask)stuff->mask & (GCTile - 1)); - if ((tmp = *((CARD32 *) &stuff[1] + tile_offset))) { - result = dixLookupResourceByType((pointer *)&tile, tmp, XRT_PIXMAP, - client, DixReadAccess); - if (result != Success) - return result; - } - } - if ((Mask)stuff->mask & GCStipple) { - stip_offset = Ones((Mask)stuff->mask & (GCStipple - 1)); - if ((tmp = *((CARD32 *) &stuff[1] + stip_offset))) { - result = dixLookupResourceByType((pointer *)&stip, tmp, XRT_PIXMAP, - client, DixReadAccess); - if (result != Success) - return result; - } - } - if ((Mask)stuff->mask & GCClipMask) { - clip_offset = Ones((Mask)stuff->mask & (GCClipMask - 1)); - if ((tmp = *((CARD32 *) &stuff[1] + clip_offset))) { - result = dixLookupResourceByType((pointer *)&clip, tmp, XRT_PIXMAP, - client, DixReadAccess); - if (result != Success) - return result; - } - } - - - FOR_NSCREENS_BACKWARD(j) { - stuff->gc = gc->info[j].id; - if (tile) - *((CARD32 *) &stuff[1] + tile_offset) = tile->info[j].id; - if (stip) - *((CARD32 *) &stuff[1] + stip_offset) = stip->info[j].id; - if (clip) - *((CARD32 *) &stuff[1] + clip_offset) = clip->info[j].id; - result = (*SavedProcVector[X_ChangeGC])(client); - if(result != Success) break; - } - - return result; -} - - -int PanoramiXCopyGC(ClientPtr client) -{ - PanoramiXRes *srcGC, *dstGC; - int result, j; - REQUEST(xCopyGCReq); - - REQUEST_SIZE_MATCH(xCopyGCReq); - - result = dixLookupResourceByType((pointer *)&srcGC, stuff->srcGC, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - result = dixLookupResourceByType((pointer *)&dstGC, stuff->dstGC, XRT_GC, - client, DixWriteAccess); - if (result != Success) - return result; - - FOR_NSCREENS(j) { - stuff->srcGC = srcGC->info[j].id; - stuff->dstGC = dstGC->info[j].id; - result = (*SavedProcVector[X_CopyGC])(client); - if(result != Success) break; - } - - return result; -} - - -int PanoramiXSetDashes(ClientPtr client) -{ - PanoramiXRes *gc; - int result, j; - REQUEST(xSetDashesReq); - - REQUEST_FIXED_SIZE(xSetDashesReq, stuff->nDashes); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixWriteAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j) { - stuff->gc = gc->info[j].id; - result = (*SavedProcVector[X_SetDashes])(client); - if(result != Success) break; - } - - return result; -} - - -int PanoramiXSetClipRectangles(ClientPtr client) -{ - PanoramiXRes *gc; - int result, j; - REQUEST(xSetClipRectanglesReq); - - REQUEST_AT_LEAST_SIZE(xSetClipRectanglesReq); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixWriteAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j) { - stuff->gc = gc->info[j].id; - result = (*SavedProcVector[X_SetClipRectangles])(client); - if(result != Success) break; - } - - return result; -} - - -int PanoramiXFreeGC(ClientPtr client) -{ - PanoramiXRes *gc; - int result, j; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - - result = dixLookupResourceByType((pointer *)&gc, stuff->id, XRT_GC, - client, DixDestroyAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j) { - stuff->id = gc->info[j].id; - result = (*SavedProcVector[X_FreeGC])(client); - if(result != Success) break; - } - - /* Since ProcFreeGC is using FreeResource, it will free - our resource for us on the last pass through the loop above */ - - return result; -} - - -int PanoramiXClearToBackground(ClientPtr client) -{ - PanoramiXRes *win; - int result, j, x, y; - Bool isRoot; - REQUEST(xClearAreaReq); - - REQUEST_SIZE_MATCH(xClearAreaReq); - - result = dixLookupResourceByType((pointer *)&win, stuff->window, - XRT_WINDOW, client, DixWriteAccess); - if (result != Success) - return result; - - x = stuff->x; - y = stuff->y; - isRoot = win->u.win.root; - FOR_NSCREENS_BACKWARD(j) { - stuff->window = win->info[j].id; - if(isRoot) { - stuff->x = x - screenInfo.screens[j]->x; - stuff->y = y - screenInfo.screens[j]->y; - } - result = (*SavedProcVector[X_ClearArea])(client); - if(result != Success) break; - } - - return result; -} - - -/* - For Window to Pixmap copies you're screwed since each screen's - pixmap will look like what it sees on its screen. Unless the - screens overlap and the window lies on each, the two copies - will be out of sync. To remedy this we do a GetImage and PutImage - in place of the copy. Doing this as a single Image isn't quite - correct since it will include the obscured areas but we will - have to fix this later. (MArk). -*/ - -int PanoramiXCopyArea(ClientPtr client) -{ - int j, result, srcx, srcy, dstx, dsty; - PanoramiXRes *gc, *src, *dst; - Bool srcIsRoot = FALSE; - Bool dstIsRoot = FALSE; - Bool srcShared, dstShared; - REQUEST(xCopyAreaReq); - - REQUEST_SIZE_MATCH(xCopyAreaReq); - - result = dixLookupResourceByClass((pointer *)&src, stuff->srcDrawable, - XRC_DRAWABLE, client, DixReadAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - srcShared = IS_SHARED_PIXMAP(src); - - result = dixLookupResourceByClass((pointer *)&dst, stuff->dstDrawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - dstShared = IS_SHARED_PIXMAP(dst); - - if(dstShared && srcShared) - return (* SavedProcVector[X_CopyArea])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - if((dst->type == XRT_WINDOW) && dst->u.win.root) - dstIsRoot = TRUE; - if((src->type == XRT_WINDOW) && src->u.win.root) - srcIsRoot = TRUE; - - srcx = stuff->srcX; srcy = stuff->srcY; - dstx = stuff->dstX; dsty = stuff->dstY; - if((dst->type == XRT_PIXMAP) && (src->type == XRT_WINDOW)) { - DrawablePtr drawables[MAXSCREENS]; - DrawablePtr pDst; - GCPtr pGC; - char *data; - int pitch, rc; - - FOR_NSCREENS(j) { - rc = dixLookupDrawable(drawables+j, src->info[j].id, client, 0, - DixGetAttrAccess); - if (rc != Success) - return rc; - } - - pitch = PixmapBytePad(stuff->width, drawables[0]->depth); - if(!(data = calloc(1, stuff->height * pitch))) - return BadAlloc; - - XineramaGetImageData(drawables, srcx, srcy, - stuff->width, stuff->height, ZPixmap, ~0, data, pitch, - srcIsRoot); - - FOR_NSCREENS_BACKWARD(j) { - stuff->gc = gc->info[j].id; - VALIDATE_DRAWABLE_AND_GC(dst->info[j].id, pDst, DixWriteAccess); - if(drawables[0]->depth != pDst->depth) { - client->errorValue = stuff->dstDrawable; - free(data); - return BadMatch; - } - - (*pGC->ops->PutImage) (pDst, pGC, pDst->depth, dstx, dsty, - stuff->width, stuff->height, - 0, ZPixmap, data); - - if(dstShared) break; - } - - free(data); - } else { - DrawablePtr pDst = NULL, pSrc = NULL; - GCPtr pGC = NULL; - RegionRec totalReg; - int rc; - - RegionNull(&totalReg); - FOR_NSCREENS_BACKWARD(j) { - RegionPtr pRgn; - stuff->dstDrawable = dst->info[j].id; - stuff->srcDrawable = src->info[j].id; - stuff->gc = gc->info[j].id; - if (srcIsRoot) { - stuff->srcX = srcx - screenInfo.screens[j]->x; - stuff->srcY = srcy - screenInfo.screens[j]->y; - } - if (dstIsRoot) { - stuff->dstX = dstx - screenInfo.screens[j]->x; - stuff->dstY = dsty - screenInfo.screens[j]->y; - } - - VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, DixWriteAccess); - - if (stuff->dstDrawable != stuff->srcDrawable) { - rc = dixLookupDrawable(&pSrc, stuff->srcDrawable, client, 0, - DixReadAccess); - if (rc != Success) - return rc; - - if ((pDst->pScreen != pSrc->pScreen) || - (pDst->depth != pSrc->depth)) { - client->errorValue = stuff->dstDrawable; - return BadMatch; - } - } else - pSrc = pDst; - - pRgn = (*pGC->ops->CopyArea)(pSrc, pDst, pGC, - stuff->srcX, stuff->srcY, - stuff->width, stuff->height, - stuff->dstX, stuff->dstY); - if(pGC->graphicsExposures && pRgn) { - if(srcIsRoot) { - RegionTranslate(pRgn, - screenInfo.screens[j]->x, screenInfo.screens[j]->y); - } - RegionAppend(&totalReg, pRgn); - RegionDestroy(pRgn); - } - - if(dstShared) - break; - } - - if(pGC->graphicsExposures) { - Bool overlap; - RegionValidate(&totalReg, &overlap); - (*pDst->pScreen->SendGraphicsExpose)( - client, &totalReg, stuff->dstDrawable, X_CopyArea, 0); - RegionUninit(&totalReg); - } - } - - return Success; -} - - -int PanoramiXCopyPlane(ClientPtr client) -{ - int j, srcx, srcy, dstx, dsty, rc; - PanoramiXRes *gc, *src, *dst; - Bool srcIsRoot = FALSE; - Bool dstIsRoot = FALSE; - Bool srcShared, dstShared; - DrawablePtr psrcDraw, pdstDraw = NULL; - GCPtr pGC = NULL; - RegionRec totalReg; - REQUEST(xCopyPlaneReq); - - REQUEST_SIZE_MATCH(xCopyPlaneReq); - - rc = dixLookupResourceByClass((pointer *)&src, stuff->srcDrawable, - XRC_DRAWABLE, client, DixReadAccess); - if (rc != Success) - return (rc == BadValue) ? BadDrawable : rc; - - srcShared = IS_SHARED_PIXMAP(src); - - rc = dixLookupResourceByClass((pointer *)&dst, stuff->dstDrawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (rc != Success) - return (rc == BadValue) ? BadDrawable : rc; - - dstShared = IS_SHARED_PIXMAP(dst); - - if(dstShared && srcShared) - return (* SavedProcVector[X_CopyPlane])(client); - - rc = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (rc != Success) - return rc; - - if((dst->type == XRT_WINDOW) && dst->u.win.root) - dstIsRoot = TRUE; - if((src->type == XRT_WINDOW) && src->u.win.root) - srcIsRoot = TRUE; - - srcx = stuff->srcX; srcy = stuff->srcY; - dstx = stuff->dstX; dsty = stuff->dstY; - - RegionNull(&totalReg); - FOR_NSCREENS_BACKWARD(j) { - RegionPtr pRgn; - stuff->dstDrawable = dst->info[j].id; - stuff->srcDrawable = src->info[j].id; - stuff->gc = gc->info[j].id; - if (srcIsRoot) { - stuff->srcX = srcx - screenInfo.screens[j]->x; - stuff->srcY = srcy - screenInfo.screens[j]->y; - } - if (dstIsRoot) { - stuff->dstX = dstx - screenInfo.screens[j]->x; - stuff->dstY = dsty - screenInfo.screens[j]->y; - } - - VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, DixWriteAccess); - if (stuff->dstDrawable != stuff->srcDrawable) { - rc = dixLookupDrawable(&psrcDraw, stuff->srcDrawable, client, 0, - DixReadAccess); - if (rc != Success) - return rc; - - if (pdstDraw->pScreen != psrcDraw->pScreen) { - client->errorValue = stuff->dstDrawable; - return BadMatch; - } - } else - psrcDraw = pdstDraw; - - if(stuff->bitPlane == 0 || (stuff->bitPlane & (stuff->bitPlane - 1)) || - (stuff->bitPlane > (1L << (psrcDraw->depth - 1)))) { - client->errorValue = stuff->bitPlane; - return BadValue; - } - - pRgn = (*pGC->ops->CopyPlane)(psrcDraw, pdstDraw, pGC, - stuff->srcX, stuff->srcY, - stuff->width, stuff->height, - stuff->dstX, stuff->dstY, stuff->bitPlane); - if(pGC->graphicsExposures && pRgn) { - RegionAppend(&totalReg, pRgn); - RegionDestroy(pRgn); - } - - if(dstShared) - break; - } - - if(pGC->graphicsExposures) { - Bool overlap; - RegionValidate(&totalReg, &overlap); - (*pdstDraw->pScreen->SendGraphicsExpose)( - client, &totalReg, stuff->dstDrawable, X_CopyPlane, 0); - RegionUninit(&totalReg); - } - - return Success; -} - - -int PanoramiXPolyPoint(ClientPtr client) -{ - PanoramiXRes *gc, *draw; - int result, npoint, j; - xPoint *origPts; - Bool isRoot; - REQUEST(xPolyPointReq); - - REQUEST_AT_LEAST_SIZE(xPolyPointReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_PolyPoint])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; - npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyPointReq)); - if (npoint > 0) { - origPts = malloc(npoint * sizeof(xPoint)); - memcpy((char *) origPts, (char *) &stuff[1], npoint * sizeof(xPoint)); - FOR_NSCREENS_FORWARD(j){ - - if(j) memcpy(&stuff[1], origPts, npoint * sizeof(xPoint)); - - if (isRoot) { - int x_off = screenInfo.screens[j]->x; - int y_off = screenInfo.screens[j]->y; - - if(x_off || y_off) { - xPoint *pnts = (xPoint*)&stuff[1]; - int i = (stuff->coordMode==CoordModePrevious) ? 1 : npoint; - - while(i--) { - pnts->x -= x_off; - pnts->y -= y_off; - pnts++; - } - } - } - - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - result = (* SavedProcVector[X_PolyPoint])(client); - if(result != Success) break; - } - free(origPts); - return result; - } else - return Success; -} - - -int PanoramiXPolyLine(ClientPtr client) -{ - PanoramiXRes *gc, *draw; - int result, npoint, j; - xPoint *origPts; - Bool isRoot; - REQUEST(xPolyLineReq); - - REQUEST_AT_LEAST_SIZE(xPolyLineReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_PolyLine])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = IS_ROOT_DRAWABLE(draw); - npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyLineReq)); - if (npoint > 0){ - origPts = malloc(npoint * sizeof(xPoint)); - memcpy((char *) origPts, (char *) &stuff[1], npoint * sizeof(xPoint)); - FOR_NSCREENS_FORWARD(j){ - - if(j) memcpy(&stuff[1], origPts, npoint * sizeof(xPoint)); - - if (isRoot) { - int x_off = screenInfo.screens[j]->x; - int y_off = screenInfo.screens[j]->y; - - if(x_off || y_off) { - xPoint *pnts = (xPoint*)&stuff[1]; - int i = (stuff->coordMode==CoordModePrevious) ? 1 : npoint; - - while(i--) { - pnts->x -= x_off; - pnts->y -= y_off; - pnts++; - } - } - } - - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - result = (* SavedProcVector[X_PolyLine])(client); - if(result != Success) break; - } - free(origPts); - return result; - } else - return Success; -} - - -int PanoramiXPolySegment(ClientPtr client) -{ - int result, nsegs, i, j; - PanoramiXRes *gc, *draw; - xSegment *origSegs; - Bool isRoot; - REQUEST(xPolySegmentReq); - - REQUEST_AT_LEAST_SIZE(xPolySegmentReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_PolySegment])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = IS_ROOT_DRAWABLE(draw); - - nsegs = (client->req_len << 2) - sizeof(xPolySegmentReq); - if(nsegs & 4) return BadLength; - nsegs >>= 3; - if (nsegs > 0) { - origSegs = malloc(nsegs * sizeof(xSegment)); - memcpy((char *) origSegs, (char *) &stuff[1], nsegs * sizeof(xSegment)); - FOR_NSCREENS_FORWARD(j){ - - if(j) memcpy(&stuff[1], origSegs, nsegs * sizeof(xSegment)); - - if (isRoot) { - int x_off = screenInfo.screens[j]->x; - int y_off = screenInfo.screens[j]->y; - - if(x_off || y_off) { - xSegment *segs = (xSegment*)&stuff[1]; - - for (i = nsegs; i--; segs++) { - segs->x1 -= x_off; - segs->x2 -= x_off; - segs->y1 -= y_off; - segs->y2 -= y_off; - } - } - } - - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - result = (* SavedProcVector[X_PolySegment])(client); - if(result != Success) break; - } - free(origSegs); - return result; - } else - return Success; -} - - -int PanoramiXPolyRectangle(ClientPtr client) -{ - int result, nrects, i, j; - PanoramiXRes *gc, *draw; - Bool isRoot; - xRectangle *origRecs; - REQUEST(xPolyRectangleReq); - - REQUEST_AT_LEAST_SIZE(xPolyRectangleReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_PolyRectangle])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = IS_ROOT_DRAWABLE(draw); - - nrects = (client->req_len << 2) - sizeof(xPolyRectangleReq); - if(nrects & 4) return BadLength; - nrects >>= 3; - if (nrects > 0){ - origRecs = malloc(nrects * sizeof(xRectangle)); - memcpy((char *)origRecs,(char *)&stuff[1],nrects * sizeof(xRectangle)); - FOR_NSCREENS_FORWARD(j){ - - if(j) memcpy(&stuff[1], origRecs, nrects * sizeof(xRectangle)); - - if (isRoot) { - int x_off = screenInfo.screens[j]->x; - int y_off = screenInfo.screens[j]->y; - - - if(x_off || y_off) { - xRectangle *rects = (xRectangle *) &stuff[1]; - - for (i = nrects; i--; rects++) { - rects->x -= x_off; - rects->y -= y_off; - } - } - } - - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - result = (* SavedProcVector[X_PolyRectangle])(client); - if(result != Success) break; - } - free(origRecs); - return result; - } else - return Success; -} - - -int PanoramiXPolyArc(ClientPtr client) -{ - int result, narcs, i, j; - PanoramiXRes *gc, *draw; - Bool isRoot; - xArc *origArcs; - REQUEST(xPolyArcReq); - - REQUEST_AT_LEAST_SIZE(xPolyArcReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_PolyArc])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = IS_ROOT_DRAWABLE(draw); - - narcs = (client->req_len << 2) - sizeof(xPolyArcReq); - if(narcs % sizeof(xArc)) return BadLength; - narcs /= sizeof(xArc); - if (narcs > 0){ - origArcs = malloc(narcs * sizeof(xArc)); - memcpy((char *) origArcs, (char *) &stuff[1], narcs * sizeof(xArc)); - FOR_NSCREENS_FORWARD(j){ - - if(j) memcpy(&stuff[1], origArcs, narcs * sizeof(xArc)); - - if (isRoot) { - int x_off = screenInfo.screens[j]->x; - int y_off = screenInfo.screens[j]->y; - - if(x_off || y_off) { - xArc *arcs = (xArc *) &stuff[1]; - - for (i = narcs; i--; arcs++) { - arcs->x -= x_off; - arcs->y -= y_off; - } - } - } - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - result = (* SavedProcVector[X_PolyArc])(client); - if(result != Success) break; - } - free(origArcs); - return result; - } else - return Success; -} - - -int PanoramiXFillPoly(ClientPtr client) -{ - int result, count, j; - PanoramiXRes *gc, *draw; - Bool isRoot; - DDXPointPtr locPts; - REQUEST(xFillPolyReq); - - REQUEST_AT_LEAST_SIZE(xFillPolyReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_FillPoly])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = IS_ROOT_DRAWABLE(draw); - - count = bytes_to_int32((client->req_len << 2) - sizeof(xFillPolyReq)); - if (count > 0){ - locPts = malloc(count * sizeof(DDXPointRec)); - memcpy((char *)locPts, (char *)&stuff[1], count * sizeof(DDXPointRec)); - FOR_NSCREENS_FORWARD(j){ - - if(j) memcpy(&stuff[1], locPts, count * sizeof(DDXPointRec)); - - if (isRoot) { - int x_off = screenInfo.screens[j]->x; - int y_off = screenInfo.screens[j]->y; - - if(x_off || y_off) { - DDXPointPtr pnts = (DDXPointPtr)&stuff[1]; - int i = (stuff->coordMode==CoordModePrevious) ? 1 : count; - - while(i--) { - pnts->x -= x_off; - pnts->y -= y_off; - pnts++; - } - } - } - - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - result = (* SavedProcVector[X_FillPoly])(client); - if(result != Success) break; - } - free(locPts); - return result; - } else - return Success; -} - - -int PanoramiXPolyFillRectangle(ClientPtr client) -{ - int result, things, i, j; - PanoramiXRes *gc, *draw; - Bool isRoot; - xRectangle *origRects; - REQUEST(xPolyFillRectangleReq); - - REQUEST_AT_LEAST_SIZE(xPolyFillRectangleReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_PolyFillRectangle])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = IS_ROOT_DRAWABLE(draw); - - things = (client->req_len << 2) - sizeof(xPolyFillRectangleReq); - if(things & 4) return BadLength; - things >>= 3; - if (things > 0){ - origRects = malloc(things * sizeof(xRectangle)); - memcpy((char*)origRects,(char*)&stuff[1], things * sizeof(xRectangle)); - FOR_NSCREENS_FORWARD(j){ - - if(j) memcpy(&stuff[1], origRects, things * sizeof(xRectangle)); - - if (isRoot) { - int x_off = screenInfo.screens[j]->x; - int y_off = screenInfo.screens[j]->y; - - if(x_off || y_off) { - xRectangle *rects = (xRectangle *) &stuff[1]; - - for (i = things; i--; rects++) { - rects->x -= x_off; - rects->y -= y_off; - } - } - } - - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - result = (* SavedProcVector[X_PolyFillRectangle])(client); - if(result != Success) break; - } - free(origRects); - return result; - } else - return Success; -} - - -int PanoramiXPolyFillArc(ClientPtr client) -{ - PanoramiXRes *gc, *draw; - Bool isRoot; - int result, narcs, i, j; - xArc *origArcs; - REQUEST(xPolyFillArcReq); - - REQUEST_AT_LEAST_SIZE(xPolyFillArcReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_PolyFillArc])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = IS_ROOT_DRAWABLE(draw); - - narcs = (client->req_len << 2) - sizeof(xPolyFillArcReq); - if (narcs % sizeof(xArc)) return BadLength; - narcs /= sizeof(xArc); - if (narcs > 0) { - origArcs = malloc(narcs * sizeof(xArc)); - memcpy((char *) origArcs, (char *)&stuff[1], narcs * sizeof(xArc)); - FOR_NSCREENS_FORWARD(j){ - - if(j) memcpy(&stuff[1], origArcs, narcs * sizeof(xArc)); - - if (isRoot) { - int x_off = screenInfo.screens[j]->x; - int y_off = screenInfo.screens[j]->y; - - if(x_off || y_off) { - xArc *arcs = (xArc *) &stuff[1]; - - for (i = narcs; i--; arcs++) { - arcs->x -= x_off; - arcs->y -= y_off; - } - } - } - - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - result = (* SavedProcVector[X_PolyFillArc])(client); - if(result != Success) break; - } - free(origArcs); - return result; - } else - return Success; -} - - -int PanoramiXPutImage(ClientPtr client) -{ - PanoramiXRes *gc, *draw; - Bool isRoot; - int j, result, orig_x, orig_y; - REQUEST(xPutImageReq); - - REQUEST_AT_LEAST_SIZE(xPutImageReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_PutImage])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = IS_ROOT_DRAWABLE(draw); - - orig_x = stuff->dstX; - orig_y = stuff->dstY; - FOR_NSCREENS_BACKWARD(j){ - if (isRoot) { - stuff->dstX = orig_x - screenInfo.screens[j]->x; - stuff->dstY = orig_y - screenInfo.screens[j]->y; - } - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - result = (* SavedProcVector[X_PutImage])(client); - if(result != Success) break; - } - return result; -} - - -int PanoramiXGetImage(ClientPtr client) -{ - DrawablePtr drawables[MAXSCREENS]; - DrawablePtr pDraw; - PanoramiXRes *draw; - xGetImageReply xgi; - Bool isRoot; - char *pBuf; - int i, x, y, w, h, format, rc; - Mask plane = 0, planemask; - int linesDone, nlines, linesPerBuf; - long widthBytesLine, length; - - REQUEST(xGetImageReq); - - REQUEST_SIZE_MATCH(xGetImageReq); - - if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) { - client->errorValue = stuff->format; - return BadValue; - } - - rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (rc != Success) - return (rc == BadValue) ? BadDrawable : rc; - - if(draw->type == XRT_PIXMAP) - return (*SavedProcVector[X_GetImage])(client); - - rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, - DixReadAccess); - if (rc != Success) - return rc; - - if(!((WindowPtr)pDraw)->realized) - return BadMatch; - - x = stuff->x; - y = stuff->y; - w = stuff->width; - h = stuff->height; - format = stuff->format; - planemask = stuff->planeMask; - - isRoot = IS_ROOT_DRAWABLE(draw); - - if(isRoot) { - if( /* check for being onscreen */ - x < 0 || x + w > PanoramiXPixWidth || - y < 0 || y + h > PanoramiXPixHeight ) - return BadMatch; - } else { - if( /* check for being onscreen */ - screenInfo.screens[0]->x + pDraw->x + x < 0 || - screenInfo.screens[0]->x + pDraw->x + x + w > PanoramiXPixWidth || - screenInfo.screens[0]->y + pDraw->y + y < 0 || - screenInfo.screens[0]->y + pDraw->y + y + h > PanoramiXPixHeight || - /* check for being inside of border */ - x < - wBorderWidth((WindowPtr)pDraw) || - x + w > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width || - y < -wBorderWidth((WindowPtr)pDraw) || - y + h > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height) - return BadMatch; - } - - drawables[0] = pDraw; - FOR_NSCREENS_FORWARD_SKIP(i) { - rc = dixLookupDrawable(drawables+i, draw->info[i].id, client, 0, - DixGetAttrAccess); - if (rc != Success) - return rc; - } - - xgi.visual = wVisual (((WindowPtr) pDraw)); - xgi.type = X_Reply; - xgi.sequenceNumber = client->sequence; - xgi.depth = pDraw->depth; - if(format == ZPixmap) { - widthBytesLine = PixmapBytePad(w, pDraw->depth); - length = widthBytesLine * h; - - - } else { - widthBytesLine = BitmapBytePad(w); - plane = ((Mask)1) << (pDraw->depth - 1); - /* only planes asked for */ - length = widthBytesLine * h * - Ones(planemask & (plane | (plane - 1))); - - } - - xgi.length = bytes_to_int32(length); - - if (widthBytesLine == 0 || h == 0) - linesPerBuf = 0; - else if (widthBytesLine >= XINERAMA_IMAGE_BUFSIZE) - linesPerBuf = 1; - else { - linesPerBuf = XINERAMA_IMAGE_BUFSIZE / widthBytesLine; - if (linesPerBuf > h) - linesPerBuf = h; - } - length = linesPerBuf * widthBytesLine; - if(!(pBuf = malloc(length))) - return BadAlloc; - - WriteReplyToClient(client, sizeof (xGetImageReply), &xgi); - - if (linesPerBuf == 0) { - /* nothing to do */ - } - else if (format == ZPixmap) { - linesDone = 0; - while (h - linesDone > 0) { - nlines = min(linesPerBuf, h - linesDone); - - if(pDraw->depth == 1) - memset(pBuf, 0, nlines * widthBytesLine); - - XineramaGetImageData(drawables, x, y + linesDone, w, nlines, - format, planemask, pBuf, widthBytesLine, isRoot); - - (void)WriteToClient(client, - (int)(nlines * widthBytesLine), - pBuf); - linesDone += nlines; - } - } else { /* XYPixmap */ - for (; plane; plane >>= 1) { - if (planemask & plane) { - linesDone = 0; - while (h - linesDone > 0) { - nlines = min(linesPerBuf, h - linesDone); - - memset(pBuf, 0, nlines * widthBytesLine); - - XineramaGetImageData(drawables, x, y + linesDone, w, - nlines, format, plane, pBuf, - widthBytesLine, isRoot); - - (void)WriteToClient(client, - (int)(nlines * widthBytesLine), - pBuf); - - linesDone += nlines; - } - } - } - } - free(pBuf); - return Success; -} - - -/* The text stuff should be rewritten so that duplication happens - at the GlyphBlt level. That is, loading the font and getting - the glyphs should only happen once */ - -int -PanoramiXPolyText8(ClientPtr client) -{ - PanoramiXRes *gc, *draw; - Bool isRoot; - int result, j; - int orig_x, orig_y; - REQUEST(xPolyTextReq); - - REQUEST_AT_LEAST_SIZE(xPolyTextReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_PolyText8])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = IS_ROOT_DRAWABLE(draw); - - orig_x = stuff->x; - orig_y = stuff->y; - FOR_NSCREENS_BACKWARD(j){ - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - if (isRoot) { - stuff->x = orig_x - screenInfo.screens[j]->x; - stuff->y = orig_y - screenInfo.screens[j]->y; - } - result = (*SavedProcVector[X_PolyText8])(client); - if(result != Success) break; - } - return result; -} - -int -PanoramiXPolyText16(ClientPtr client) -{ - PanoramiXRes *gc, *draw; - Bool isRoot; - int result, j; - int orig_x, orig_y; - REQUEST(xPolyTextReq); - - REQUEST_AT_LEAST_SIZE(xPolyTextReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_PolyText16])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = IS_ROOT_DRAWABLE(draw); - - orig_x = stuff->x; - orig_y = stuff->y; - FOR_NSCREENS_BACKWARD(j){ - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - if (isRoot) { - stuff->x = orig_x - screenInfo.screens[j]->x; - stuff->y = orig_y - screenInfo.screens[j]->y; - } - result = (*SavedProcVector[X_PolyText16])(client); - if(result != Success) break; - } - return result; -} - - -int PanoramiXImageText8(ClientPtr client) -{ - int result, j; - PanoramiXRes *gc, *draw; - Bool isRoot; - int orig_x, orig_y; - REQUEST(xImageTextReq); - - REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_ImageText8])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = IS_ROOT_DRAWABLE(draw); - - orig_x = stuff->x; - orig_y = stuff->y; - FOR_NSCREENS_BACKWARD(j){ - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - if (isRoot) { - stuff->x = orig_x - screenInfo.screens[j]->x; - stuff->y = orig_y - screenInfo.screens[j]->y; - } - result = (*SavedProcVector[X_ImageText8])(client); - if(result != Success) break; - } - return result; -} - - -int PanoramiXImageText16(ClientPtr client) -{ - int result, j; - PanoramiXRes *gc, *draw; - Bool isRoot; - int orig_x, orig_y; - REQUEST(xImageTextReq); - - REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars << 1); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - if(IS_SHARED_PIXMAP(draw)) - return (*SavedProcVector[X_ImageText16])(client); - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, - client, DixReadAccess); - if (result != Success) - return result; - - isRoot = IS_ROOT_DRAWABLE(draw); - - orig_x = stuff->x; - orig_y = stuff->y; - FOR_NSCREENS_BACKWARD(j){ - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - if (isRoot) { - stuff->x = orig_x - screenInfo.screens[j]->x; - stuff->y = orig_y - screenInfo.screens[j]->y; - } - result = (*SavedProcVector[X_ImageText16])(client); - if(result != Success) break; - } - return result; -} - - - -int PanoramiXCreateColormap(ClientPtr client) -{ - PanoramiXRes *win, *newCmap; - int result, j, orig_visual; - REQUEST(xCreateColormapReq); - - REQUEST_SIZE_MATCH(xCreateColormapReq); - - result = dixLookupResourceByType((pointer *)&win, stuff->window, - XRT_WINDOW, client, DixReadAccess); - if (result != Success) - return result; - - if(!(newCmap = malloc(sizeof(PanoramiXRes)))) - return BadAlloc; - - newCmap->type = XRT_COLORMAP; - panoramix_setup_ids(newCmap, client, stuff->mid); - - orig_visual = stuff->visual; - FOR_NSCREENS_BACKWARD(j){ - stuff->mid = newCmap->info[j].id; - stuff->window = win->info[j].id; - stuff->visual = PanoramiXTranslateVisualID(j, orig_visual); - result = (* SavedProcVector[X_CreateColormap])(client); - if(result != Success) break; - } - - if (result == Success) - AddResource(newCmap->info[0].id, XRT_COLORMAP, newCmap); - else - free(newCmap); - - return result; -} - - -int PanoramiXFreeColormap(ClientPtr client) -{ - PanoramiXRes *cmap; - int result, j; - REQUEST(xResourceReq); - - REQUEST_SIZE_MATCH(xResourceReq); - - client->errorValue = stuff->id; - - result = dixLookupResourceByType((pointer *)&cmap, stuff->id, XRT_COLORMAP, - client, DixDestroyAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j) { - stuff->id = cmap->info[j].id; - result = (* SavedProcVector[X_FreeColormap])(client); - if(result != Success) break; - } - - /* Since ProcFreeColormap is using FreeResource, it will free - our resource for us on the last pass through the loop above */ - - return result; -} - - -int -PanoramiXCopyColormapAndFree(ClientPtr client) -{ - PanoramiXRes *cmap, *newCmap; - int result, j; - REQUEST(xCopyColormapAndFreeReq); - - REQUEST_SIZE_MATCH(xCopyColormapAndFreeReq); - - client->errorValue = stuff->srcCmap; - - result = dixLookupResourceByType((pointer *)&cmap, stuff->srcCmap, - XRT_COLORMAP, client, - DixReadAccess | DixWriteAccess); - if (result != Success) - return result; - - if(!(newCmap = malloc(sizeof(PanoramiXRes)))) - return BadAlloc; - - newCmap->type = XRT_COLORMAP; - panoramix_setup_ids(newCmap, client, stuff->mid); - - FOR_NSCREENS_BACKWARD(j) { - stuff->srcCmap = cmap->info[j].id; - stuff->mid = newCmap->info[j].id; - result = (* SavedProcVector[X_CopyColormapAndFree])(client); - if(result != Success) break; - } - - if (result == Success) - AddResource(newCmap->info[0].id, XRT_COLORMAP, newCmap); - else - free(newCmap); - - return result; -} - - -int PanoramiXInstallColormap(ClientPtr client) -{ - REQUEST(xResourceReq); - int result, j; - PanoramiXRes *cmap; - - REQUEST_SIZE_MATCH(xResourceReq); - - client->errorValue = stuff->id; - - result = dixLookupResourceByType((pointer *)&cmap, stuff->id, XRT_COLORMAP, - client, DixReadAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j){ - stuff->id = cmap->info[j].id; - result = (* SavedProcVector[X_InstallColormap])(client); - if(result != Success) break; - } - return result; -} - - -int PanoramiXUninstallColormap(ClientPtr client) -{ - REQUEST(xResourceReq); - int result, j; - PanoramiXRes *cmap; - - REQUEST_SIZE_MATCH(xResourceReq); - - client->errorValue = stuff->id; - - result = dixLookupResourceByType((pointer *)&cmap, stuff->id, XRT_COLORMAP, - client, DixReadAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j) { - stuff->id = cmap->info[j].id; - result = (* SavedProcVector[X_UninstallColormap])(client); - if(result != Success) break; - } - return result; -} - - -int PanoramiXAllocColor(ClientPtr client) -{ - int result, j; - PanoramiXRes *cmap; - REQUEST(xAllocColorReq); - - REQUEST_SIZE_MATCH(xAllocColorReq); - - client->errorValue = stuff->cmap; - - result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, - XRT_COLORMAP, client, DixWriteAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j){ - stuff->cmap = cmap->info[j].id; - result = (* SavedProcVector[X_AllocColor])(client); - if(result != Success) break; - } - return result; -} - - -int PanoramiXAllocNamedColor(ClientPtr client) -{ - int result, j; - PanoramiXRes *cmap; - REQUEST(xAllocNamedColorReq); - - REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes); - - client->errorValue = stuff->cmap; - - result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, - XRT_COLORMAP, client, DixWriteAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j){ - stuff->cmap = cmap->info[j].id; - result = (* SavedProcVector[X_AllocNamedColor])(client); - if(result != Success) break; - } - return result; -} - - -int PanoramiXAllocColorCells(ClientPtr client) -{ - int result, j; - PanoramiXRes *cmap; - REQUEST(xAllocColorCellsReq); - - REQUEST_SIZE_MATCH(xAllocColorCellsReq); - - client->errorValue = stuff->cmap; - - result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, - XRT_COLORMAP, client, DixWriteAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j){ - stuff->cmap = cmap->info[j].id; - result = (* SavedProcVector[X_AllocColorCells])(client); - if(result != Success) break; - } - return result; -} - - -int PanoramiXAllocColorPlanes(ClientPtr client) -{ - int result, j; - PanoramiXRes *cmap; - REQUEST(xAllocColorPlanesReq); - - REQUEST_SIZE_MATCH(xAllocColorPlanesReq); - - client->errorValue = stuff->cmap; - - result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, - XRT_COLORMAP, client, DixWriteAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j){ - stuff->cmap = cmap->info[j].id; - result = (* SavedProcVector[X_AllocColorPlanes])(client); - if(result != Success) break; - } - return result; -} - - - -int PanoramiXFreeColors(ClientPtr client) -{ - int result, j; - PanoramiXRes *cmap; - REQUEST(xFreeColorsReq); - - REQUEST_AT_LEAST_SIZE(xFreeColorsReq); - - client->errorValue = stuff->cmap; - - result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, - XRT_COLORMAP, client, DixWriteAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j) { - stuff->cmap = cmap->info[j].id; - result = (* SavedProcVector[X_FreeColors])(client); - } - return result; -} - - -int PanoramiXStoreColors(ClientPtr client) -{ - int result, j; - PanoramiXRes *cmap; - REQUEST(xStoreColorsReq); - - REQUEST_AT_LEAST_SIZE(xStoreColorsReq); - - client->errorValue = stuff->cmap; - - result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, - XRT_COLORMAP, client, DixWriteAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j){ - stuff->cmap = cmap->info[j].id; - result = (* SavedProcVector[X_StoreColors])(client); - if(result != Success) break; - } - return result; -} - - -int PanoramiXStoreNamedColor(ClientPtr client) -{ - int result, j; - PanoramiXRes *cmap; - REQUEST(xStoreNamedColorReq); - - REQUEST_FIXED_SIZE(xStoreNamedColorReq, stuff->nbytes); - - client->errorValue = stuff->cmap; - - result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, - XRT_COLORMAP, client, DixWriteAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(j){ - stuff->cmap = cmap->info[j].id; - result = (* SavedProcVector[X_StoreNamedColor])(client); - if(result != Success) break; - } - return result; -} +/***************************************************************** +Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL +DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, +BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, +WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of Digital Equipment Corporation +shall not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from Digital +Equipment Corporation. +******************************************************************/ + +/* Massively rewritten by Mark Vojkovich */ + + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include +#include +#include +#include "windowstr.h" +#include "dixfontstr.h" +#include "gcstruct.h" +#include "colormapst.h" +#include "scrnintstr.h" +#include "opaque.h" +#include "inputstr.h" +#include "migc.h" +#include "misc.h" +#include "dixstruct.h" +#include "panoramiX.h" +#include "panoramiXsrv.h" +#include "resource.h" +#include "panoramiXh.h" + +#define XINERAMA_IMAGE_BUFSIZE (256*1024) +#define INPUTONLY_LEGAL_MASK (CWWinGravity | CWEventMask | \ + CWDontPropagate | CWOverrideRedirect | CWCursor ) + +int PanoramiXCreateWindow(ClientPtr client) +{ + PanoramiXRes *parent, *newWin; + PanoramiXRes *backPix = NULL; + PanoramiXRes *bordPix = NULL; + PanoramiXRes *cmap = NULL; + REQUEST(xCreateWindowReq); + int pback_offset = 0, pbord_offset = 0, cmap_offset = 0; + int result, len, j; + int orig_x, orig_y; + XID orig_visual, tmp; + Bool parentIsRoot; + + REQUEST_AT_LEAST_SIZE(xCreateWindowReq); + + len = client->req_len - bytes_to_int32(sizeof(xCreateWindowReq)); + if (Ones(stuff->mask) != len) + return BadLength; + + result = dixLookupResourceByType((pointer *)&parent, stuff->parent, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + if(stuff->class == CopyFromParent) + stuff->class = parent->u.win.class; + + if((stuff->class == InputOnly) && (stuff->mask & (~INPUTONLY_LEGAL_MASK))) + return BadMatch; + + if ((Mask)stuff->mask & CWBackPixmap) { + pback_offset = Ones((Mask)stuff->mask & (CWBackPixmap - 1)); + tmp = *((CARD32 *) &stuff[1] + pback_offset); + if ((tmp != None) && (tmp != ParentRelative)) { + result = dixLookupResourceByType((pointer *)&backPix, tmp, + XRT_PIXMAP, client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->mask & CWBorderPixmap) { + pbord_offset = Ones((Mask)stuff->mask & (CWBorderPixmap - 1)); + tmp = *((CARD32 *) &stuff[1] + pbord_offset); + if (tmp != CopyFromParent) { + result = dixLookupResourceByType((pointer *)&bordPix, tmp, + XRT_PIXMAP, client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->mask & CWColormap) { + cmap_offset = Ones((Mask)stuff->mask & (CWColormap - 1)); + tmp = *((CARD32 *) &stuff[1] + cmap_offset); + if ((tmp != CopyFromParent) && (tmp != None)) { + result = dixLookupResourceByType((pointer *)&cmap, tmp, + XRT_COLORMAP, client, DixReadAccess); + if (result != Success) + return result; + } + } + + if(!(newWin = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newWin->type = XRT_WINDOW; + newWin->u.win.visibility = VisibilityNotViewable; + newWin->u.win.class = stuff->class; + newWin->u.win.root = FALSE; + panoramix_setup_ids(newWin, client, stuff->wid); + + if (stuff->class == InputOnly) + stuff->visual = CopyFromParent; + orig_visual = stuff->visual; + orig_x = stuff->x; + orig_y = stuff->y; + parentIsRoot = (stuff->parent == screenInfo.screens[0]->root->drawable.id) || + (stuff->parent == screenInfo.screens[0]->screensaver.wid); + FOR_NSCREENS_BACKWARD(j) { + stuff->wid = newWin->info[j].id; + stuff->parent = parent->info[j].id; + if (parentIsRoot) { + stuff->x = orig_x - screenInfo.screens[j]->x; + stuff->y = orig_y - screenInfo.screens[j]->y; + } + if (backPix) + *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[j].id; + if (bordPix) + *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[j].id; + if (cmap) + *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[j].id; + if ( orig_visual != CopyFromParent ) + stuff->visual = PanoramiXTranslateVisualID(j, orig_visual); + result = (*SavedProcVector[X_CreateWindow])(client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newWin->info[0].id, XRT_WINDOW, newWin); + else + free(newWin); + + return result; +} + + +int PanoramiXChangeWindowAttributes(ClientPtr client) +{ + PanoramiXRes *win; + PanoramiXRes *backPix = NULL; + PanoramiXRes *bordPix = NULL; + PanoramiXRes *cmap = NULL; + REQUEST(xChangeWindowAttributesReq); + int pback_offset = 0, pbord_offset = 0, cmap_offset = 0; + int result, len, j; + XID tmp; + + REQUEST_AT_LEAST_SIZE(xChangeWindowAttributesReq); + + len = client->req_len - bytes_to_int32(sizeof(xChangeWindowAttributesReq)); + if (Ones(stuff->valueMask) != len) + return BadLength; + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + if((win->u.win.class == InputOnly) && + (stuff->valueMask & (~INPUTONLY_LEGAL_MASK))) + return BadMatch; + + if ((Mask)stuff->valueMask & CWBackPixmap) { + pback_offset = Ones((Mask)stuff->valueMask & (CWBackPixmap - 1)); + tmp = *((CARD32 *) &stuff[1] + pback_offset); + if ((tmp != None) && (tmp != ParentRelative)) { + result = dixLookupResourceByType((pointer *)&backPix, tmp, + XRT_PIXMAP, client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->valueMask & CWBorderPixmap) { + pbord_offset = Ones((Mask)stuff->valueMask & (CWBorderPixmap - 1)); + tmp = *((CARD32 *) &stuff[1] + pbord_offset); + if (tmp != CopyFromParent) { + result = dixLookupResourceByType((pointer *)&bordPix, tmp, + XRT_PIXMAP, client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->valueMask & CWColormap) { + cmap_offset = Ones((Mask)stuff->valueMask & (CWColormap - 1)); + tmp = *((CARD32 *) &stuff[1] + cmap_offset); + if ((tmp != CopyFromParent) && (tmp != None)) { + result = dixLookupResourceByType((pointer *)&cmap, tmp, + XRT_COLORMAP, client, DixReadAccess); + if (result != Success) + return result; + } + } + + FOR_NSCREENS_BACKWARD(j) { + stuff->window = win->info[j].id; + if (backPix) + *((CARD32 *) &stuff[1] + pback_offset) = backPix->info[j].id; + if (bordPix) + *((CARD32 *) &stuff[1] + pbord_offset) = bordPix->info[j].id; + if (cmap) + *((CARD32 *) &stuff[1] + cmap_offset) = cmap->info[j].id; + result = (*SavedProcVector[X_ChangeWindowAttributes])(client); + } + + return result; +} + + +int PanoramiXDestroyWindow(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->id, XRT_WINDOW, + client, DixDestroyAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->id = win->info[j].id; + result = (*SavedProcVector[X_DestroyWindow])(client); + if(result != Success) break; + } + + /* Since ProcDestroyWindow is using FreeResource, it will free + our resource for us on the last pass through the loop above */ + + return result; +} + + +int PanoramiXDestroySubwindows(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->id, XRT_WINDOW, + client, DixDestroyAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->id = win->info[j].id; + result = (*SavedProcVector[X_DestroySubwindows])(client); + if(result != Success) break; + } + + /* DestroySubwindows is using FreeResource which will free + our resources for us on the last pass through the loop above */ + + return result; +} + + +int PanoramiXChangeSaveSet(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xChangeSaveSetReq); + + REQUEST_SIZE_MATCH(xChangeSaveSetReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->window = win->info[j].id; + result = (*SavedProcVector[X_ChangeSaveSet])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXReparentWindow(ClientPtr client) +{ + PanoramiXRes *win, *parent; + int result, j; + int x, y; + Bool parentIsRoot; + REQUEST(xReparentWindowReq); + + REQUEST_SIZE_MATCH(xReparentWindowReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&parent, stuff->parent, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + x = stuff->x; + y = stuff->y; + parentIsRoot = (stuff->parent == screenInfo.screens[0]->root->drawable.id) || + (stuff->parent == screenInfo.screens[0]->screensaver.wid); + FOR_NSCREENS_BACKWARD(j) { + stuff->window = win->info[j].id; + stuff->parent = parent->info[j].id; + if(parentIsRoot) { + stuff->x = x - screenInfo.screens[j]->x; + stuff->y = y - screenInfo.screens[j]->y; + } + result = (*SavedProcVector[X_ReparentWindow])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXMapWindow(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->id, + XRT_WINDOW, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_FORWARD(j) { + stuff->id = win->info[j].id; + result = (*SavedProcVector[X_MapWindow])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXMapSubwindows(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->id, + XRT_WINDOW, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_FORWARD(j) { + stuff->id = win->info[j].id; + result = (*SavedProcVector[X_MapSubwindows])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXUnmapWindow(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->id, + XRT_WINDOW, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_FORWARD(j) { + stuff->id = win->info[j].id; + result = (*SavedProcVector[X_UnmapWindow])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXUnmapSubwindows(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->id, + XRT_WINDOW, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_FORWARD(j) { + stuff->id = win->info[j].id; + result = (*SavedProcVector[X_UnmapSubwindows])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXConfigureWindow(ClientPtr client) +{ + PanoramiXRes *win; + PanoramiXRes *sib = NULL; + WindowPtr pWin; + int result, j, len, sib_offset = 0, x = 0, y = 0; + int x_offset = -1; + int y_offset = -1; + REQUEST(xConfigureWindowReq); + + REQUEST_AT_LEAST_SIZE(xConfigureWindowReq); + + len = client->req_len - bytes_to_int32(sizeof(xConfigureWindowReq)); + if (Ones(stuff->mask) != len) + return BadLength; + + /* because we need the parent */ + result = dixLookupResourceByType((pointer *)&pWin, stuff->window, + RT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + if ((Mask)stuff->mask & CWSibling) { + XID tmp; + sib_offset = Ones((Mask)stuff->mask & (CWSibling - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + sib_offset))) { + result = dixLookupResourceByType((pointer *)&sib, tmp, XRT_WINDOW, + client, DixReadAccess); + if (result != Success) + return result; + } + } + + if(pWin->parent && ((pWin->parent == screenInfo.screens[0]->root) || + (pWin->parent->drawable.id == screenInfo.screens[0]->screensaver.wid))) + { + if ((Mask)stuff->mask & CWX) { + x_offset = 0; + x = *((CARD32 *)&stuff[1]); + } + if ((Mask)stuff->mask & CWY) { + y_offset = (x_offset == -1) ? 0 : 1; + y = *((CARD32 *) &stuff[1] + y_offset); + } + } + + /* have to go forward or you get expose events before + ConfigureNotify events */ + FOR_NSCREENS_FORWARD(j) { + stuff->window = win->info[j].id; + if(sib) + *((CARD32 *) &stuff[1] + sib_offset) = sib->info[j].id; + if(x_offset >= 0) + *((CARD32 *) &stuff[1] + x_offset) = x - screenInfo.screens[j]->x; + if(y_offset >= 0) + *((CARD32 *) &stuff[1] + y_offset) = y - screenInfo.screens[j]->y; + result = (*SavedProcVector[X_ConfigureWindow])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXCirculateWindow(ClientPtr client) +{ + PanoramiXRes *win; + int result, j; + REQUEST(xCirculateWindowReq); + + REQUEST_SIZE_MATCH(xCirculateWindowReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_FORWARD(j) { + stuff->window = win->info[j].id; + result = (*SavedProcVector[X_CirculateWindow])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXGetGeometry(ClientPtr client) +{ + xGetGeometryReply rep; + DrawablePtr pDraw; + int rc; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + rc = dixLookupDrawable(&pDraw, stuff->id, client, M_ANY, DixGetAttrAccess); + if (rc != Success) + return rc; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.root = screenInfo.screens[0]->root->drawable.id; + rep.depth = pDraw->depth; + rep.width = pDraw->width; + rep.height = pDraw->height; + rep.x = rep.y = rep.borderWidth = 0; + + if (stuff->id == rep.root) { + xWindowRoot *root = (xWindowRoot *) + (ConnectionInfo + connBlockScreenStart); + + rep.width = root->pixWidth; + rep.height = root->pixHeight; + } else + if (WindowDrawable(pDraw->type)) + { + WindowPtr pWin = (WindowPtr)pDraw; + rep.x = pWin->origin.x - wBorderWidth (pWin); + rep.y = pWin->origin.y - wBorderWidth (pWin); + if((pWin->parent == screenInfo.screens[0]->root) || + (pWin->parent->drawable.id == screenInfo.screens[0]->screensaver.wid)) + { + rep.x += screenInfo.screens[0]->x; + rep.y += screenInfo.screens[0]->y; + } + rep.borderWidth = pWin->borderWidth; + } + + WriteReplyToClient(client, sizeof(xGetGeometryReply), &rep); + return Success; +} + +int PanoramiXTranslateCoords(ClientPtr client) +{ + INT16 x, y; + REQUEST(xTranslateCoordsReq); + int rc; + WindowPtr pWin, pDst; + xTranslateCoordsReply rep; + + REQUEST_SIZE_MATCH(xTranslateCoordsReq); + rc = dixLookupWindow(&pWin, stuff->srcWid, client, DixReadAccess); + if (rc != Success) + return rc; + rc = dixLookupWindow(&pDst, stuff->dstWid, client, DixReadAccess); + if (rc != Success) + return rc; + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.sameScreen = xTrue; + rep.child = None; + + if((pWin == screenInfo.screens[0]->root) || + (pWin->drawable.id == screenInfo.screens[0]->screensaver.wid)) + { + x = stuff->srcX - screenInfo.screens[0]->x; + y = stuff->srcY - screenInfo.screens[0]->y; + } else { + x = pWin->drawable.x + stuff->srcX; + y = pWin->drawable.y + stuff->srcY; + } + pWin = pDst->firstChild; + while (pWin) { + BoxRec box; + if ((pWin->mapped) && + (x >= pWin->drawable.x - wBorderWidth (pWin)) && + (x < pWin->drawable.x + (int)pWin->drawable.width + + wBorderWidth (pWin)) && + (y >= pWin->drawable.y - wBorderWidth (pWin)) && + (y < pWin->drawable.y + (int)pWin->drawable.height + + wBorderWidth (pWin)) + /* When a window is shaped, a further check + * is made to see if the point is inside + * borderSize + */ + && (!wBoundingShape(pWin) || + RegionContainsPoint(wBoundingShape(pWin), + x - pWin->drawable.x, + y - pWin->drawable.y, &box)) + ) + { + rep.child = pWin->drawable.id; + pWin = (WindowPtr) NULL; + } + else + pWin = pWin->nextSib; + } + rep.dstX = x - pDst->drawable.x; + rep.dstY = y - pDst->drawable.y; + if((pDst == screenInfo.screens[0]->root) || + (pDst->drawable.id == screenInfo.screens[0]->screensaver.wid)) + { + rep.dstX += screenInfo.screens[0]->x; + rep.dstY += screenInfo.screens[0]->y; + } + + WriteReplyToClient(client, sizeof(xTranslateCoordsReply), &rep); + return Success; +} + +int PanoramiXCreatePixmap(ClientPtr client) +{ + PanoramiXRes *refDraw, *newPix; + int result, j; + REQUEST(xCreatePixmapReq); + + REQUEST_SIZE_MATCH(xCreatePixmapReq); + client->errorValue = stuff->pid; + + result = dixLookupResourceByClass((pointer *)&refDraw, stuff->drawable, + XRC_DRAWABLE, client, DixReadAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(!(newPix = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newPix->type = XRT_PIXMAP; + newPix->u.pix.shared = FALSE; + panoramix_setup_ids(newPix, client, stuff->pid); + + FOR_NSCREENS_BACKWARD(j) { + stuff->pid = newPix->info[j].id; + stuff->drawable = refDraw->info[j].id; + result = (*SavedProcVector[X_CreatePixmap])(client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newPix->info[0].id, XRT_PIXMAP, newPix); + else + free(newPix); + + return result; +} + + +int PanoramiXFreePixmap(ClientPtr client) +{ + PanoramiXRes *pix; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + client->errorValue = stuff->id; + + result = dixLookupResourceByType((pointer *)&pix, stuff->id, XRT_PIXMAP, + client, DixDestroyAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->id = pix->info[j].id; + result = (*SavedProcVector[X_FreePixmap])(client); + if(result != Success) break; + } + + /* Since ProcFreePixmap is using FreeResource, it will free + our resource for us on the last pass through the loop above */ + + return result; +} + + +int PanoramiXCreateGC(ClientPtr client) +{ + PanoramiXRes *refDraw; + PanoramiXRes *newGC; + PanoramiXRes *stip = NULL; + PanoramiXRes *tile = NULL; + PanoramiXRes *clip = NULL; + REQUEST(xCreateGCReq); + int tile_offset = 0, stip_offset = 0, clip_offset = 0; + int result, len, j; + XID tmp; + + REQUEST_AT_LEAST_SIZE(xCreateGCReq); + + client->errorValue = stuff->gc; + len = client->req_len - bytes_to_int32(sizeof(xCreateGCReq)); + if (Ones(stuff->mask) != len) + return BadLength; + + result = dixLookupResourceByClass((pointer *)&refDraw, stuff->drawable, + XRC_DRAWABLE, client, DixReadAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if ((Mask)stuff->mask & GCTile) { + tile_offset = Ones((Mask)stuff->mask & (GCTile - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + tile_offset))) { + result = dixLookupResourceByType((pointer *)&tile, tmp, XRT_PIXMAP, + client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->mask & GCStipple) { + stip_offset = Ones((Mask)stuff->mask & (GCStipple - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + stip_offset))) { + result = dixLookupResourceByType((pointer *)&stip, tmp, XRT_PIXMAP, + client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->mask & GCClipMask) { + clip_offset = Ones((Mask)stuff->mask & (GCClipMask - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + clip_offset))) { + result = dixLookupResourceByType((pointer *)&clip, tmp, XRT_PIXMAP, + client, DixReadAccess); + if (result != Success) + return result; + } + } + + if(!(newGC = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newGC->type = XRT_GC; + panoramix_setup_ids(newGC, client, stuff->gc); + + FOR_NSCREENS_BACKWARD(j) { + stuff->gc = newGC->info[j].id; + stuff->drawable = refDraw->info[j].id; + if (tile) + *((CARD32 *) &stuff[1] + tile_offset) = tile->info[j].id; + if (stip) + *((CARD32 *) &stuff[1] + stip_offset) = stip->info[j].id; + if (clip) + *((CARD32 *) &stuff[1] + clip_offset) = clip->info[j].id; + result = (*SavedProcVector[X_CreateGC])(client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newGC->info[0].id, XRT_GC, newGC); + else + free(newGC); + + return result; +} + +int PanoramiXChangeGC(ClientPtr client) +{ + PanoramiXRes *gc; + PanoramiXRes *stip = NULL; + PanoramiXRes *tile = NULL; + PanoramiXRes *clip = NULL; + REQUEST(xChangeGCReq); + int tile_offset = 0, stip_offset = 0, clip_offset = 0; + int result, len, j; + XID tmp; + + REQUEST_AT_LEAST_SIZE(xChangeGCReq); + + len = client->req_len - bytes_to_int32(sizeof(xChangeGCReq)); + if (Ones(stuff->mask) != len) + return BadLength; + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + if ((Mask)stuff->mask & GCTile) { + tile_offset = Ones((Mask)stuff->mask & (GCTile - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + tile_offset))) { + result = dixLookupResourceByType((pointer *)&tile, tmp, XRT_PIXMAP, + client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->mask & GCStipple) { + stip_offset = Ones((Mask)stuff->mask & (GCStipple - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + stip_offset))) { + result = dixLookupResourceByType((pointer *)&stip, tmp, XRT_PIXMAP, + client, DixReadAccess); + if (result != Success) + return result; + } + } + if ((Mask)stuff->mask & GCClipMask) { + clip_offset = Ones((Mask)stuff->mask & (GCClipMask - 1)); + if ((tmp = *((CARD32 *) &stuff[1] + clip_offset))) { + result = dixLookupResourceByType((pointer *)&clip, tmp, XRT_PIXMAP, + client, DixReadAccess); + if (result != Success) + return result; + } + } + + + FOR_NSCREENS_BACKWARD(j) { + stuff->gc = gc->info[j].id; + if (tile) + *((CARD32 *) &stuff[1] + tile_offset) = tile->info[j].id; + if (stip) + *((CARD32 *) &stuff[1] + stip_offset) = stip->info[j].id; + if (clip) + *((CARD32 *) &stuff[1] + clip_offset) = clip->info[j].id; + result = (*SavedProcVector[X_ChangeGC])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXCopyGC(ClientPtr client) +{ + PanoramiXRes *srcGC, *dstGC; + int result, j; + REQUEST(xCopyGCReq); + + REQUEST_SIZE_MATCH(xCopyGCReq); + + result = dixLookupResourceByType((pointer *)&srcGC, stuff->srcGC, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&dstGC, stuff->dstGC, XRT_GC, + client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS(j) { + stuff->srcGC = srcGC->info[j].id; + stuff->dstGC = dstGC->info[j].id; + result = (*SavedProcVector[X_CopyGC])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXSetDashes(ClientPtr client) +{ + PanoramiXRes *gc; + int result, j; + REQUEST(xSetDashesReq); + + REQUEST_FIXED_SIZE(xSetDashesReq, stuff->nDashes); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->gc = gc->info[j].id; + result = (*SavedProcVector[X_SetDashes])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXSetClipRectangles(ClientPtr client) +{ + PanoramiXRes *gc; + int result, j; + REQUEST(xSetClipRectanglesReq); + + REQUEST_AT_LEAST_SIZE(xSetClipRectanglesReq); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->gc = gc->info[j].id; + result = (*SavedProcVector[X_SetClipRectangles])(client); + if(result != Success) break; + } + + return result; +} + + +int PanoramiXFreeGC(ClientPtr client) +{ + PanoramiXRes *gc; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + result = dixLookupResourceByType((pointer *)&gc, stuff->id, XRT_GC, + client, DixDestroyAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->id = gc->info[j].id; + result = (*SavedProcVector[X_FreeGC])(client); + if(result != Success) break; + } + + /* Since ProcFreeGC is using FreeResource, it will free + our resource for us on the last pass through the loop above */ + + return result; +} + + +int PanoramiXClearToBackground(ClientPtr client) +{ + PanoramiXRes *win; + int result, j, x, y; + Bool isRoot; + REQUEST(xClearAreaReq); + + REQUEST_SIZE_MATCH(xClearAreaReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixWriteAccess); + if (result != Success) + return result; + + x = stuff->x; + y = stuff->y; + isRoot = win->u.win.root; + FOR_NSCREENS_BACKWARD(j) { + stuff->window = win->info[j].id; + if(isRoot) { + stuff->x = x - screenInfo.screens[j]->x; + stuff->y = y - screenInfo.screens[j]->y; + } + result = (*SavedProcVector[X_ClearArea])(client); + if(result != Success) break; + } + + return result; +} + + +/* + For Window to Pixmap copies you're screwed since each screen's + pixmap will look like what it sees on its screen. Unless the + screens overlap and the window lies on each, the two copies + will be out of sync. To remedy this we do a GetImage and PutImage + in place of the copy. Doing this as a single Image isn't quite + correct since it will include the obscured areas but we will + have to fix this later. (MArk). +*/ + +int PanoramiXCopyArea(ClientPtr client) +{ + int j, result, srcx, srcy, dstx, dsty; + PanoramiXRes *gc, *src, *dst; + Bool srcIsRoot = FALSE; + Bool dstIsRoot = FALSE; + Bool srcShared, dstShared; + REQUEST(xCopyAreaReq); + + REQUEST_SIZE_MATCH(xCopyAreaReq); + + result = dixLookupResourceByClass((pointer *)&src, stuff->srcDrawable, + XRC_DRAWABLE, client, DixReadAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + srcShared = IS_SHARED_PIXMAP(src); + + result = dixLookupResourceByClass((pointer *)&dst, stuff->dstDrawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + dstShared = IS_SHARED_PIXMAP(dst); + + if(dstShared && srcShared) + return (* SavedProcVector[X_CopyArea])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + if((dst->type == XRT_WINDOW) && dst->u.win.root) + dstIsRoot = TRUE; + if((src->type == XRT_WINDOW) && src->u.win.root) + srcIsRoot = TRUE; + + srcx = stuff->srcX; srcy = stuff->srcY; + dstx = stuff->dstX; dsty = stuff->dstY; + if((dst->type == XRT_PIXMAP) && (src->type == XRT_WINDOW)) { + DrawablePtr drawables[MAXSCREENS]; + DrawablePtr pDst; + GCPtr pGC; + char *data; + int pitch, rc; + + FOR_NSCREENS(j) { + rc = dixLookupDrawable(drawables+j, src->info[j].id, client, 0, + DixGetAttrAccess); + if (rc != Success) + return rc; + } + + pitch = PixmapBytePad(stuff->width, drawables[0]->depth); + if(!(data = calloc(1, stuff->height * pitch))) + return BadAlloc; + + XineramaGetImageData(drawables, srcx, srcy, + stuff->width, stuff->height, ZPixmap, ~0, data, pitch, + srcIsRoot); + + FOR_NSCREENS_BACKWARD(j) { + stuff->gc = gc->info[j].id; + VALIDATE_DRAWABLE_AND_GC(dst->info[j].id, pDst, DixWriteAccess); + if(drawables[0]->depth != pDst->depth) { + client->errorValue = stuff->dstDrawable; + free(data); + return BadMatch; + } + + (*pGC->ops->PutImage) (pDst, pGC, pDst->depth, dstx, dsty, + stuff->width, stuff->height, + 0, ZPixmap, data); + + if(dstShared) break; + } + + free(data); + } else { + DrawablePtr pDst = NULL, pSrc = NULL; + GCPtr pGC = NULL; + RegionRec totalReg; + int rc; + + RegionNull(&totalReg); + FOR_NSCREENS_BACKWARD(j) { + RegionPtr pRgn; + stuff->dstDrawable = dst->info[j].id; + stuff->srcDrawable = src->info[j].id; + stuff->gc = gc->info[j].id; + if (srcIsRoot) { + stuff->srcX = srcx - screenInfo.screens[j]->x; + stuff->srcY = srcy - screenInfo.screens[j]->y; + } + if (dstIsRoot) { + stuff->dstX = dstx - screenInfo.screens[j]->x; + stuff->dstY = dsty - screenInfo.screens[j]->y; + } + + VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pDst, DixWriteAccess); + + if (stuff->dstDrawable != stuff->srcDrawable) { + rc = dixLookupDrawable(&pSrc, stuff->srcDrawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + + if ((pDst->pScreen != pSrc->pScreen) || + (pDst->depth != pSrc->depth)) { + client->errorValue = stuff->dstDrawable; + return BadMatch; + } + } else + pSrc = pDst; + + pRgn = (*pGC->ops->CopyArea)(pSrc, pDst, pGC, + stuff->srcX, stuff->srcY, + stuff->width, stuff->height, + stuff->dstX, stuff->dstY); + if(pGC->graphicsExposures && pRgn) { + if(srcIsRoot) { + RegionTranslate(pRgn, + screenInfo.screens[j]->x, screenInfo.screens[j]->y); + } + RegionAppend(&totalReg, pRgn); + RegionDestroy(pRgn); + } + + if(dstShared) + break; + } + + if(pGC->graphicsExposures) { + Bool overlap; + RegionValidate(&totalReg, &overlap); + (*pDst->pScreen->SendGraphicsExpose)( + client, &totalReg, stuff->dstDrawable, X_CopyArea, 0); + RegionUninit(&totalReg); + } + } + + return Success; +} + + +int PanoramiXCopyPlane(ClientPtr client) +{ + int j, srcx, srcy, dstx, dsty, rc; + PanoramiXRes *gc, *src, *dst; + Bool srcIsRoot = FALSE; + Bool dstIsRoot = FALSE; + Bool srcShared, dstShared; + DrawablePtr psrcDraw, pdstDraw = NULL; + GCPtr pGC = NULL; + RegionRec totalReg; + REQUEST(xCopyPlaneReq); + + REQUEST_SIZE_MATCH(xCopyPlaneReq); + + rc = dixLookupResourceByClass((pointer *)&src, stuff->srcDrawable, + XRC_DRAWABLE, client, DixReadAccess); + if (rc != Success) + return (rc == BadValue) ? BadDrawable : rc; + + srcShared = IS_SHARED_PIXMAP(src); + + rc = dixLookupResourceByClass((pointer *)&dst, stuff->dstDrawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (rc != Success) + return (rc == BadValue) ? BadDrawable : rc; + + dstShared = IS_SHARED_PIXMAP(dst); + + if(dstShared && srcShared) + return (* SavedProcVector[X_CopyPlane])(client); + + rc = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (rc != Success) + return rc; + + if((dst->type == XRT_WINDOW) && dst->u.win.root) + dstIsRoot = TRUE; + if((src->type == XRT_WINDOW) && src->u.win.root) + srcIsRoot = TRUE; + + srcx = stuff->srcX; srcy = stuff->srcY; + dstx = stuff->dstX; dsty = stuff->dstY; + + RegionNull(&totalReg); + FOR_NSCREENS_BACKWARD(j) { + RegionPtr pRgn; + stuff->dstDrawable = dst->info[j].id; + stuff->srcDrawable = src->info[j].id; + stuff->gc = gc->info[j].id; + if (srcIsRoot) { + stuff->srcX = srcx - screenInfo.screens[j]->x; + stuff->srcY = srcy - screenInfo.screens[j]->y; + } + if (dstIsRoot) { + stuff->dstX = dstx - screenInfo.screens[j]->x; + stuff->dstY = dsty - screenInfo.screens[j]->y; + } + + VALIDATE_DRAWABLE_AND_GC(stuff->dstDrawable, pdstDraw, DixWriteAccess); + if (stuff->dstDrawable != stuff->srcDrawable) { + rc = dixLookupDrawable(&psrcDraw, stuff->srcDrawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + + if (pdstDraw->pScreen != psrcDraw->pScreen) { + client->errorValue = stuff->dstDrawable; + return BadMatch; + } + } else + psrcDraw = pdstDraw; + + if(stuff->bitPlane == 0 || (stuff->bitPlane & (stuff->bitPlane - 1)) || + (stuff->bitPlane > (1L << (psrcDraw->depth - 1)))) { + client->errorValue = stuff->bitPlane; + return BadValue; + } + + pRgn = (*pGC->ops->CopyPlane)(psrcDraw, pdstDraw, pGC, + stuff->srcX, stuff->srcY, + stuff->width, stuff->height, + stuff->dstX, stuff->dstY, stuff->bitPlane); + if(pGC->graphicsExposures && pRgn) { + RegionAppend(&totalReg, pRgn); + RegionDestroy(pRgn); + } + + if(dstShared) + break; + } + + if(pGC->graphicsExposures) { + Bool overlap; + RegionValidate(&totalReg, &overlap); + (*pdstDraw->pScreen->SendGraphicsExpose)( + client, &totalReg, stuff->dstDrawable, X_CopyPlane, 0); + RegionUninit(&totalReg); + } + + return Success; +} + + +int PanoramiXPolyPoint(ClientPtr client) +{ + PanoramiXRes *gc, *draw; + int result, npoint, j; + xPoint *origPts; + Bool isRoot; + REQUEST(xPolyPointReq); + + REQUEST_AT_LEAST_SIZE(xPolyPointReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyPoint])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyPointReq)); + if (npoint > 0) { + origPts = malloc(npoint * sizeof(xPoint)); + memcpy((char *) origPts, (char *) &stuff[1], npoint * sizeof(xPoint)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origPts, npoint * sizeof(xPoint)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + xPoint *pnts = (xPoint*)&stuff[1]; + int i = (stuff->coordMode==CoordModePrevious) ? 1 : npoint; + + while(i--) { + pnts->x -= x_off; + pnts->y -= y_off; + pnts++; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolyPoint])(client); + if(result != Success) break; + } + free(origPts); + return result; + } else + return Success; +} + + +int PanoramiXPolyLine(ClientPtr client) +{ + PanoramiXRes *gc, *draw; + int result, npoint, j; + xPoint *origPts; + Bool isRoot; + REQUEST(xPolyLineReq); + + REQUEST_AT_LEAST_SIZE(xPolyLineReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyLine])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = IS_ROOT_DRAWABLE(draw); + npoint = bytes_to_int32((client->req_len << 2) - sizeof(xPolyLineReq)); + if (npoint > 0){ + origPts = malloc(npoint * sizeof(xPoint)); + memcpy((char *) origPts, (char *) &stuff[1], npoint * sizeof(xPoint)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origPts, npoint * sizeof(xPoint)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + xPoint *pnts = (xPoint*)&stuff[1]; + int i = (stuff->coordMode==CoordModePrevious) ? 1 : npoint; + + while(i--) { + pnts->x -= x_off; + pnts->y -= y_off; + pnts++; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolyLine])(client); + if(result != Success) break; + } + free(origPts); + return result; + } else + return Success; +} + + +int PanoramiXPolySegment(ClientPtr client) +{ + int result, nsegs, i, j; + PanoramiXRes *gc, *draw; + xSegment *origSegs; + Bool isRoot; + REQUEST(xPolySegmentReq); + + REQUEST_AT_LEAST_SIZE(xPolySegmentReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolySegment])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = IS_ROOT_DRAWABLE(draw); + + nsegs = (client->req_len << 2) - sizeof(xPolySegmentReq); + if(nsegs & 4) return BadLength; + nsegs >>= 3; + if (nsegs > 0) { + origSegs = malloc(nsegs * sizeof(xSegment)); + memcpy((char *) origSegs, (char *) &stuff[1], nsegs * sizeof(xSegment)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origSegs, nsegs * sizeof(xSegment)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + xSegment *segs = (xSegment*)&stuff[1]; + + for (i = nsegs; i--; segs++) { + segs->x1 -= x_off; + segs->x2 -= x_off; + segs->y1 -= y_off; + segs->y2 -= y_off; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolySegment])(client); + if(result != Success) break; + } + free(origSegs); + return result; + } else + return Success; +} + + +int PanoramiXPolyRectangle(ClientPtr client) +{ + int result, nrects, i, j; + PanoramiXRes *gc, *draw; + Bool isRoot; + xRectangle *origRecs; + REQUEST(xPolyRectangleReq); + + REQUEST_AT_LEAST_SIZE(xPolyRectangleReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyRectangle])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = IS_ROOT_DRAWABLE(draw); + + nrects = (client->req_len << 2) - sizeof(xPolyRectangleReq); + if(nrects & 4) return BadLength; + nrects >>= 3; + if (nrects > 0){ + origRecs = malloc(nrects * sizeof(xRectangle)); + memcpy((char *)origRecs,(char *)&stuff[1],nrects * sizeof(xRectangle)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origRecs, nrects * sizeof(xRectangle)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + + if(x_off || y_off) { + xRectangle *rects = (xRectangle *) &stuff[1]; + + for (i = nrects; i--; rects++) { + rects->x -= x_off; + rects->y -= y_off; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolyRectangle])(client); + if(result != Success) break; + } + free(origRecs); + return result; + } else + return Success; +} + + +int PanoramiXPolyArc(ClientPtr client) +{ + int result, narcs, i, j; + PanoramiXRes *gc, *draw; + Bool isRoot; + xArc *origArcs; + REQUEST(xPolyArcReq); + + REQUEST_AT_LEAST_SIZE(xPolyArcReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyArc])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = IS_ROOT_DRAWABLE(draw); + + narcs = (client->req_len << 2) - sizeof(xPolyArcReq); + if(narcs % sizeof(xArc)) return BadLength; + narcs /= sizeof(xArc); + if (narcs > 0){ + origArcs = malloc(narcs * sizeof(xArc)); + memcpy((char *) origArcs, (char *) &stuff[1], narcs * sizeof(xArc)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origArcs, narcs * sizeof(xArc)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + xArc *arcs = (xArc *) &stuff[1]; + + for (i = narcs; i--; arcs++) { + arcs->x -= x_off; + arcs->y -= y_off; + } + } + } + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolyArc])(client); + if(result != Success) break; + } + free(origArcs); + return result; + } else + return Success; +} + + +int PanoramiXFillPoly(ClientPtr client) +{ + int result, count, j; + PanoramiXRes *gc, *draw; + Bool isRoot; + DDXPointPtr locPts; + REQUEST(xFillPolyReq); + + REQUEST_AT_LEAST_SIZE(xFillPolyReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_FillPoly])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = IS_ROOT_DRAWABLE(draw); + + count = bytes_to_int32((client->req_len << 2) - sizeof(xFillPolyReq)); + if (count > 0){ + locPts = malloc(count * sizeof(DDXPointRec)); + memcpy((char *)locPts, (char *)&stuff[1], count * sizeof(DDXPointRec)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], locPts, count * sizeof(DDXPointRec)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + DDXPointPtr pnts = (DDXPointPtr)&stuff[1]; + int i = (stuff->coordMode==CoordModePrevious) ? 1 : count; + + while(i--) { + pnts->x -= x_off; + pnts->y -= y_off; + pnts++; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_FillPoly])(client); + if(result != Success) break; + } + free(locPts); + return result; + } else + return Success; +} + + +int PanoramiXPolyFillRectangle(ClientPtr client) +{ + int result, things, i, j; + PanoramiXRes *gc, *draw; + Bool isRoot; + xRectangle *origRects; + REQUEST(xPolyFillRectangleReq); + + REQUEST_AT_LEAST_SIZE(xPolyFillRectangleReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyFillRectangle])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = IS_ROOT_DRAWABLE(draw); + + things = (client->req_len << 2) - sizeof(xPolyFillRectangleReq); + if(things & 4) return BadLength; + things >>= 3; + if (things > 0){ + origRects = malloc(things * sizeof(xRectangle)); + memcpy((char*)origRects,(char*)&stuff[1], things * sizeof(xRectangle)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origRects, things * sizeof(xRectangle)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + xRectangle *rects = (xRectangle *) &stuff[1]; + + for (i = things; i--; rects++) { + rects->x -= x_off; + rects->y -= y_off; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolyFillRectangle])(client); + if(result != Success) break; + } + free(origRects); + return result; + } else + return Success; +} + + +int PanoramiXPolyFillArc(ClientPtr client) +{ + PanoramiXRes *gc, *draw; + Bool isRoot; + int result, narcs, i, j; + xArc *origArcs; + REQUEST(xPolyFillArcReq); + + REQUEST_AT_LEAST_SIZE(xPolyFillArcReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyFillArc])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = IS_ROOT_DRAWABLE(draw); + + narcs = (client->req_len << 2) - sizeof(xPolyFillArcReq); + if (narcs % sizeof(xArc)) return BadLength; + narcs /= sizeof(xArc); + if (narcs > 0) { + origArcs = malloc(narcs * sizeof(xArc)); + memcpy((char *) origArcs, (char *)&stuff[1], narcs * sizeof(xArc)); + FOR_NSCREENS_FORWARD(j){ + + if(j) memcpy(&stuff[1], origArcs, narcs * sizeof(xArc)); + + if (isRoot) { + int x_off = screenInfo.screens[j]->x; + int y_off = screenInfo.screens[j]->y; + + if(x_off || y_off) { + xArc *arcs = (xArc *) &stuff[1]; + + for (i = narcs; i--; arcs++) { + arcs->x -= x_off; + arcs->y -= y_off; + } + } + } + + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PolyFillArc])(client); + if(result != Success) break; + } + free(origArcs); + return result; + } else + return Success; +} + + +int PanoramiXPutImage(ClientPtr client) +{ + PanoramiXRes *gc, *draw; + Bool isRoot; + int j, result, orig_x, orig_y; + REQUEST(xPutImageReq); + + REQUEST_AT_LEAST_SIZE(xPutImageReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PutImage])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = IS_ROOT_DRAWABLE(draw); + + orig_x = stuff->dstX; + orig_y = stuff->dstY; + FOR_NSCREENS_BACKWARD(j){ + if (isRoot) { + stuff->dstX = orig_x - screenInfo.screens[j]->x; + stuff->dstY = orig_y - screenInfo.screens[j]->y; + } + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + result = (* SavedProcVector[X_PutImage])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXGetImage(ClientPtr client) +{ + DrawablePtr drawables[MAXSCREENS]; + DrawablePtr pDraw; + PanoramiXRes *draw; + xGetImageReply xgi; + Bool isRoot; + char *pBuf; + int i, x, y, w, h, format, rc; + Mask plane = 0, planemask; + int linesDone, nlines, linesPerBuf; + long widthBytesLine, length; + + REQUEST(xGetImageReq); + + REQUEST_SIZE_MATCH(xGetImageReq); + + if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) { + client->errorValue = stuff->format; + return BadValue; + } + + rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (rc != Success) + return (rc == BadValue) ? BadDrawable : rc; + + if(draw->type == XRT_PIXMAP) + return (*SavedProcVector[X_GetImage])(client); + + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + + if(!((WindowPtr)pDraw)->realized) + return BadMatch; + + x = stuff->x; + y = stuff->y; + w = stuff->width; + h = stuff->height; + format = stuff->format; + planemask = stuff->planeMask; + + isRoot = IS_ROOT_DRAWABLE(draw); + + if(isRoot) { + if( /* check for being onscreen */ + x < 0 || x + w > PanoramiXPixWidth || + y < 0 || y + h > PanoramiXPixHeight ) + return BadMatch; + } else { + if( /* check for being onscreen */ + screenInfo.screens[0]->x + pDraw->x + x < 0 || + screenInfo.screens[0]->x + pDraw->x + x + w > PanoramiXPixWidth || + screenInfo.screens[0]->y + pDraw->y + y < 0 || + screenInfo.screens[0]->y + pDraw->y + y + h > PanoramiXPixHeight || + /* check for being inside of border */ + x < - wBorderWidth((WindowPtr)pDraw) || + x + w > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width || + y < -wBorderWidth((WindowPtr)pDraw) || + y + h > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height) + return BadMatch; + } + + drawables[0] = pDraw; + FOR_NSCREENS_FORWARD_SKIP(i) { + rc = dixLookupDrawable(drawables+i, draw->info[i].id, client, 0, + DixGetAttrAccess); + if (rc != Success) + return rc; + } + + xgi.visual = wVisual (((WindowPtr) pDraw)); + xgi.type = X_Reply; + xgi.sequenceNumber = client->sequence; + xgi.depth = pDraw->depth; + if(format == ZPixmap) { + widthBytesLine = PixmapBytePad(w, pDraw->depth); + length = widthBytesLine * h; + + + } else { + widthBytesLine = BitmapBytePad(w); + plane = ((Mask)1) << (pDraw->depth - 1); + /* only planes asked for */ + length = widthBytesLine * h * + Ones(planemask & (plane | (plane - 1))); + + } + + xgi.length = bytes_to_int32(length); + + if (widthBytesLine == 0 || h == 0) + linesPerBuf = 0; + else if (widthBytesLine >= XINERAMA_IMAGE_BUFSIZE) + linesPerBuf = 1; + else { + linesPerBuf = XINERAMA_IMAGE_BUFSIZE / widthBytesLine; + if (linesPerBuf > h) + linesPerBuf = h; + } + length = linesPerBuf * widthBytesLine; + if(!(pBuf = malloc(length))) + return BadAlloc; + + WriteReplyToClient(client, sizeof (xGetImageReply), &xgi); + + if (linesPerBuf == 0) { + /* nothing to do */ + } + else if (format == ZPixmap) { + linesDone = 0; + while (h - linesDone > 0) { + nlines = min(linesPerBuf, h - linesDone); + + if(pDraw->depth == 1) + memset(pBuf, 0, nlines * widthBytesLine); + + XineramaGetImageData(drawables, x, y + linesDone, w, nlines, + format, planemask, pBuf, widthBytesLine, isRoot); + + (void)WriteToClient(client, + (int)(nlines * widthBytesLine), + pBuf); + linesDone += nlines; + } + } else { /* XYPixmap */ + for (; plane; plane >>= 1) { + if (planemask & plane) { + linesDone = 0; + while (h - linesDone > 0) { + nlines = min(linesPerBuf, h - linesDone); + + memset(pBuf, 0, nlines * widthBytesLine); + + XineramaGetImageData(drawables, x, y + linesDone, w, + nlines, format, plane, pBuf, + widthBytesLine, isRoot); + + (void)WriteToClient(client, + (int)(nlines * widthBytesLine), + pBuf); + + linesDone += nlines; + } + } + } + } + free(pBuf); + return Success; +} + + +/* The text stuff should be rewritten so that duplication happens + at the GlyphBlt level. That is, loading the font and getting + the glyphs should only happen once */ + +int +PanoramiXPolyText8(ClientPtr client) +{ + PanoramiXRes *gc, *draw; + Bool isRoot; + int result, j; + int orig_x, orig_y; + REQUEST(xPolyTextReq); + + REQUEST_AT_LEAST_SIZE(xPolyTextReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyText8])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = IS_ROOT_DRAWABLE(draw); + + orig_x = stuff->x; + orig_y = stuff->y; + FOR_NSCREENS_BACKWARD(j){ + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + if (isRoot) { + stuff->x = orig_x - screenInfo.screens[j]->x; + stuff->y = orig_y - screenInfo.screens[j]->y; + } + result = (*SavedProcVector[X_PolyText8])(client); + if(result != Success) break; + } + return result; +} + +int +PanoramiXPolyText16(ClientPtr client) +{ + PanoramiXRes *gc, *draw; + Bool isRoot; + int result, j; + int orig_x, orig_y; + REQUEST(xPolyTextReq); + + REQUEST_AT_LEAST_SIZE(xPolyTextReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_PolyText16])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = IS_ROOT_DRAWABLE(draw); + + orig_x = stuff->x; + orig_y = stuff->y; + FOR_NSCREENS_BACKWARD(j){ + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + if (isRoot) { + stuff->x = orig_x - screenInfo.screens[j]->x; + stuff->y = orig_y - screenInfo.screens[j]->y; + } + result = (*SavedProcVector[X_PolyText16])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXImageText8(ClientPtr client) +{ + int result, j; + PanoramiXRes *gc, *draw; + Bool isRoot; + int orig_x, orig_y; + REQUEST(xImageTextReq); + + REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_ImageText8])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = IS_ROOT_DRAWABLE(draw); + + orig_x = stuff->x; + orig_y = stuff->y; + FOR_NSCREENS_BACKWARD(j){ + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + if (isRoot) { + stuff->x = orig_x - screenInfo.screens[j]->x; + stuff->y = orig_y - screenInfo.screens[j]->y; + } + result = (*SavedProcVector[X_ImageText8])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXImageText16(ClientPtr client) +{ + int result, j; + PanoramiXRes *gc, *draw; + Bool isRoot; + int orig_x, orig_y; + REQUEST(xImageTextReq); + + REQUEST_FIXED_SIZE(xImageTextReq, stuff->nChars << 1); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + if(IS_SHARED_PIXMAP(draw)) + return (*SavedProcVector[X_ImageText16])(client); + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, XRT_GC, + client, DixReadAccess); + if (result != Success) + return result; + + isRoot = IS_ROOT_DRAWABLE(draw); + + orig_x = stuff->x; + orig_y = stuff->y; + FOR_NSCREENS_BACKWARD(j){ + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + if (isRoot) { + stuff->x = orig_x - screenInfo.screens[j]->x; + stuff->y = orig_y - screenInfo.screens[j]->y; + } + result = (*SavedProcVector[X_ImageText16])(client); + if(result != Success) break; + } + return result; +} + + + +int PanoramiXCreateColormap(ClientPtr client) +{ + PanoramiXRes *win, *newCmap; + int result, j, orig_visual; + REQUEST(xCreateColormapReq); + + REQUEST_SIZE_MATCH(xCreateColormapReq); + + result = dixLookupResourceByType((pointer *)&win, stuff->window, + XRT_WINDOW, client, DixReadAccess); + if (result != Success) + return result; + + if(!(newCmap = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newCmap->type = XRT_COLORMAP; + panoramix_setup_ids(newCmap, client, stuff->mid); + + orig_visual = stuff->visual; + FOR_NSCREENS_BACKWARD(j){ + stuff->mid = newCmap->info[j].id; + stuff->window = win->info[j].id; + stuff->visual = PanoramiXTranslateVisualID(j, orig_visual); + result = (* SavedProcVector[X_CreateColormap])(client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newCmap->info[0].id, XRT_COLORMAP, newCmap); + else + free(newCmap); + + return result; +} + + +int PanoramiXFreeColormap(ClientPtr client) +{ + PanoramiXRes *cmap; + int result, j; + REQUEST(xResourceReq); + + REQUEST_SIZE_MATCH(xResourceReq); + + client->errorValue = stuff->id; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->id, XRT_COLORMAP, + client, DixDestroyAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->id = cmap->info[j].id; + result = (* SavedProcVector[X_FreeColormap])(client); + if(result != Success) break; + } + + /* Since ProcFreeColormap is using FreeResource, it will free + our resource for us on the last pass through the loop above */ + + return result; +} + + +int +PanoramiXCopyColormapAndFree(ClientPtr client) +{ + PanoramiXRes *cmap, *newCmap; + int result, j; + REQUEST(xCopyColormapAndFreeReq); + + REQUEST_SIZE_MATCH(xCopyColormapAndFreeReq); + + client->errorValue = stuff->srcCmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->srcCmap, + XRT_COLORMAP, client, + DixReadAccess | DixWriteAccess); + if (result != Success) + return result; + + if(!(newCmap = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newCmap->type = XRT_COLORMAP; + panoramix_setup_ids(newCmap, client, stuff->mid); + + FOR_NSCREENS_BACKWARD(j) { + stuff->srcCmap = cmap->info[j].id; + stuff->mid = newCmap->info[j].id; + result = (* SavedProcVector[X_CopyColormapAndFree])(client); + if(result != Success) break; + } + + if (result == Success) + AddResource(newCmap->info[0].id, XRT_COLORMAP, newCmap); + else + free(newCmap); + + return result; +} + + +int PanoramiXInstallColormap(ClientPtr client) +{ + REQUEST(xResourceReq); + int result, j; + PanoramiXRes *cmap; + + REQUEST_SIZE_MATCH(xResourceReq); + + client->errorValue = stuff->id; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->id, XRT_COLORMAP, + client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->id = cmap->info[j].id; + result = (* SavedProcVector[X_InstallColormap])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXUninstallColormap(ClientPtr client) +{ + REQUEST(xResourceReq); + int result, j; + PanoramiXRes *cmap; + + REQUEST_SIZE_MATCH(xResourceReq); + + client->errorValue = stuff->id; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->id, XRT_COLORMAP, + client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->id = cmap->info[j].id; + result = (* SavedProcVector[X_UninstallColormap])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXAllocColor(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xAllocColorReq); + + REQUEST_SIZE_MATCH(xAllocColorReq); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_AllocColor])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXAllocNamedColor(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xAllocNamedColorReq); + + REQUEST_FIXED_SIZE(xAllocNamedColorReq, stuff->nbytes); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_AllocNamedColor])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXAllocColorCells(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xAllocColorCellsReq); + + REQUEST_SIZE_MATCH(xAllocColorCellsReq); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_AllocColorCells])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXAllocColorPlanes(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xAllocColorPlanesReq); + + REQUEST_SIZE_MATCH(xAllocColorPlanesReq); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_AllocColorPlanes])(client); + if(result != Success) break; + } + return result; +} + + + +int PanoramiXFreeColors(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xFreeColorsReq); + + REQUEST_AT_LEAST_SIZE(xFreeColorsReq); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j) { + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_FreeColors])(client); + } + return result; +} + + +int PanoramiXStoreColors(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xStoreColorsReq); + + REQUEST_AT_LEAST_SIZE(xStoreColorsReq); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_StoreColors])(client); + if(result != Success) break; + } + return result; +} + + +int PanoramiXStoreNamedColor(ClientPtr client) +{ + int result, j; + PanoramiXRes *cmap; + REQUEST(xStoreNamedColorReq); + + REQUEST_FIXED_SIZE(xStoreNamedColorReq, stuff->nbytes); + + client->errorValue = stuff->cmap; + + result = dixLookupResourceByType((pointer *)&cmap, stuff->cmap, + XRT_COLORMAP, client, DixWriteAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(j){ + stuff->cmap = cmap->info[j].id; + result = (* SavedProcVector[X_StoreNamedColor])(client); + if(result != Success) break; + } + return result; +} diff --git a/xorg-server/Xext/panoramiXsrv.h b/xorg-server/Xext/panoramiXsrv.h index d3d54ee14..6fc903b88 100644 --- a/xorg-server/Xext/panoramiXsrv.h +++ b/xorg-server/Xext/panoramiXsrv.h @@ -1,65 +1,65 @@ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#ifndef _PANORAMIXSRV_H_ -#define _PANORAMIXSRV_H_ - -#include "panoramiX.h" - -extern _X_EXPORT int PanoramiXNumScreens; -extern _X_EXPORT int PanoramiXPixWidth; -extern _X_EXPORT int PanoramiXPixHeight; - -extern _X_EXPORT VisualID PanoramiXTranslateVisualID(int screen, VisualID orig); -extern _X_EXPORT void PanoramiXConsolidate(void); -extern _X_EXPORT Bool PanoramiXCreateConnectionBlock(void); -extern _X_EXPORT PanoramiXRes * PanoramiXFindIDByScrnum(RESTYPE, XID, int); -extern _X_EXPORT Bool XineramaRegisterConnectionBlockCallback(void (*func)(void)); -extern _X_EXPORT int XineramaDeleteResource(pointer, XID); - -extern _X_EXPORT void XineramaReinitData(ScreenPtr); - -extern _X_EXPORT RESTYPE XRC_DRAWABLE; -extern _X_EXPORT RESTYPE XRT_WINDOW; -extern _X_EXPORT RESTYPE XRT_PIXMAP; -extern _X_EXPORT RESTYPE XRT_GC; -extern _X_EXPORT RESTYPE XRT_COLORMAP; -extern _X_EXPORT RESTYPE XRT_PICTURE; - -/* - * Drivers are allowed to wrap this function. Each wrapper can decide that the - * two visuals are unequal, but if they are deemed equal, the wrapper must call - * down and return FALSE if the wrapped function does. This ensures that all - * layers agree that the visuals are equal. The first visual is always from - * screen 0. - */ -typedef Bool (*XineramaVisualsEqualProcPtr)(VisualPtr, ScreenPtr, VisualPtr); -extern _X_EXPORT XineramaVisualsEqualProcPtr XineramaVisualsEqualPtr; - -extern _X_EXPORT void XineramaGetImageData( - DrawablePtr *pDrawables, - int left, - int top, - int width, - int height, - unsigned int format, - unsigned long planemask, - char *data, - int pitch, - Bool isRoot -); - -static inline void panoramix_setup_ids(PanoramiXRes *resource, - ClientPtr client, XID base_id) -{ - int j; - - resource->info[0].id = base_id; - FOR_NSCREENS_FORWARD_SKIP(j) { - resource->info[j].id = FakeClientID(client->index); - } -} - -#endif /* _PANORAMIXSRV_H_ */ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#ifndef _PANORAMIXSRV_H_ +#define _PANORAMIXSRV_H_ + +#include "panoramiX.h" + +extern _X_EXPORT int PanoramiXNumScreens; +extern _X_EXPORT int PanoramiXPixWidth; +extern _X_EXPORT int PanoramiXPixHeight; + +extern _X_EXPORT VisualID PanoramiXTranslateVisualID(int screen, VisualID orig); +extern _X_EXPORT void PanoramiXConsolidate(void); +extern _X_EXPORT Bool PanoramiXCreateConnectionBlock(void); +extern _X_EXPORT PanoramiXRes * PanoramiXFindIDByScrnum(RESTYPE, XID, int); +extern _X_EXPORT Bool XineramaRegisterConnectionBlockCallback(void (*func)(void)); +extern _X_EXPORT int XineramaDeleteResource(pointer, XID); + +extern _X_EXPORT void XineramaReinitData(ScreenPtr); + +extern _X_EXPORT RESTYPE XRC_DRAWABLE; +extern _X_EXPORT RESTYPE XRT_WINDOW; +extern _X_EXPORT RESTYPE XRT_PIXMAP; +extern _X_EXPORT RESTYPE XRT_GC; +extern _X_EXPORT RESTYPE XRT_COLORMAP; +extern _X_EXPORT RESTYPE XRT_PICTURE; + +/* + * Drivers are allowed to wrap this function. Each wrapper can decide that the + * two visuals are unequal, but if they are deemed equal, the wrapper must call + * down and return FALSE if the wrapped function does. This ensures that all + * layers agree that the visuals are equal. The first visual is always from + * screen 0. + */ +typedef Bool (*XineramaVisualsEqualProcPtr)(VisualPtr, ScreenPtr, VisualPtr); +extern _X_EXPORT XineramaVisualsEqualProcPtr XineramaVisualsEqualPtr; + +extern _X_EXPORT void XineramaGetImageData( + DrawablePtr *pDrawables, + int left, + int top, + int width, + int height, + unsigned int format, + unsigned long planemask, + char *data, + int pitch, + Bool isRoot +); + +static inline void panoramix_setup_ids(PanoramiXRes *resource, + ClientPtr client, XID base_id) +{ + int j; + + resource->info[0].id = base_id; + FOR_NSCREENS_FORWARD_SKIP(j) { + resource->info[j].id = FakeClientID(client->index); + } +} + +#endif /* _PANORAMIXSRV_H_ */ diff --git a/xorg-server/Xext/shm.c b/xorg-server/Xext/shm.c index 62d6ebe0c..ac1ab3b56 100644 --- a/xorg-server/Xext/shm.c +++ b/xorg-server/Xext/shm.c @@ -1,1344 +1,1344 @@ -/************************************************************ - -Copyright 1989, 1998 The Open Group - -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. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - -********************************************************/ - -/* THIS IS NOT AN X CONSORTIUM STANDARD OR AN X PROJECT TEAM SPECIFICATION */ - - -#define SHM - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include -#if !defined(_MSC_VER) -#include -#include -#endif -#include -#include -#include -#include -#include "misc.h" -#include "os.h" -#include "dixstruct.h" -#include "resource.h" -#include "scrnintstr.h" -#include "windowstr.h" -#include "pixmapstr.h" -#include "gcstruct.h" -#include "extnsionst.h" -#include "servermd.h" -#include "shmint.h" -#include "xace.h" -#include -#include -#include "protocol-versions.h" - -/* Needed for Solaris cross-zone shared memory extension */ -#ifdef HAVE_SHMCTL64 -#include -#define SHMSTAT(id, buf) shmctl64(id, IPC_STAT64, buf) -#define SHMSTAT_TYPE struct shmid_ds64 -#define SHMPERM_TYPE struct ipc_perm64 -#define SHM_PERM(buf) buf.shmx_perm -#define SHM_SEGSZ(buf) buf.shmx_segsz -#define SHMPERM_UID(p) p->ipcx_uid -#define SHMPERM_CUID(p) p->ipcx_cuid -#define SHMPERM_GID(p) p->ipcx_gid -#define SHMPERM_CGID(p) p->ipcx_cgid -#define SHMPERM_MODE(p) p->ipcx_mode -#define SHMPERM_ZONEID(p) p->ipcx_zoneid -#else -#define SHMSTAT(id, buf) shmctl(id, IPC_STAT, buf) -#define SHMSTAT_TYPE struct shmid_ds -#define SHMPERM_TYPE struct ipc_perm -#define SHM_PERM(buf) buf.shm_perm -#define SHM_SEGSZ(buf) buf.shm_segsz -#define SHMPERM_UID(p) p->uid -#define SHMPERM_CUID(p) p->cuid -#define SHMPERM_GID(p) p->gid -#define SHMPERM_CGID(p) p->cgid -#define SHMPERM_MODE(p) p->mode -#endif - -#ifdef PANORAMIX -#include "panoramiX.h" -#include "panoramiXsrv.h" -#endif - -#include "modinit.h" - -typedef struct _ShmDesc { - struct _ShmDesc *next; - int shmid; - int refcnt; - char *addr; - Bool writable; - unsigned long size; -} ShmDescRec, *ShmDescPtr; - -typedef struct _ShmScrPrivateRec { - CloseScreenProcPtr CloseScreen; - ShmFuncsPtr shmFuncs; - DestroyPixmapProcPtr destroyPixmap; -} ShmScrPrivateRec; - -static PixmapPtr fbShmCreatePixmap(XSHM_CREATE_PIXMAP_ARGS); -static int ShmDetachSegment( - pointer /* value */, - XID /* shmseg */ - ); -static void ShmResetProc( - ExtensionEntry * /* extEntry */ - ); -static void SShmCompletionEvent( - xShmCompletionEvent * /* from */, - xShmCompletionEvent * /* to */ - ); - -static Bool ShmDestroyPixmap (PixmapPtr pPixmap); - - -static unsigned char ShmReqCode; -int ShmCompletionCode; -int BadShmSegCode; -RESTYPE ShmSegType; -static ShmDescPtr Shmsegs; -static Bool sharedPixmaps; -static DevPrivateKeyRec shmScrPrivateKeyRec; -#define shmScrPrivateKey (&shmScrPrivateKeyRec) -static DevPrivateKeyRec shmPixmapPrivateKeyRec; -#define shmPixmapPrivateKey (&shmPixmapPrivateKeyRec) -static ShmFuncs miFuncs = {NULL, NULL}; -static ShmFuncs fbFuncs = {fbShmCreatePixmap, NULL}; - -#define ShmGetScreenPriv(s) ((ShmScrPrivateRec *)dixLookupPrivate(&(s)->devPrivates, shmScrPrivateKey)) - -#define VERIFY_SHMSEG(shmseg,shmdesc,client) \ -{ \ - int rc; \ - rc = dixLookupResourceByType((pointer *)&(shmdesc), shmseg, ShmSegType, \ - client, DixReadAccess); \ - if (rc != Success) \ - return rc; \ -} - -#define VERIFY_SHMPTR(shmseg,offset,needwrite,shmdesc,client) \ -{ \ - VERIFY_SHMSEG(shmseg, shmdesc, client); \ - if ((offset & 3) || (offset > shmdesc->size)) \ - { \ - client->errorValue = offset; \ - return BadValue; \ - } \ - if (needwrite && !shmdesc->writable) \ - return BadAccess; \ -} - -#define VERIFY_SHMSIZE(shmdesc,offset,len,client) \ -{ \ - if ((offset + len) > shmdesc->size) \ - { \ - return BadAccess; \ - } \ -} - - -#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__) || defined(__DragonFly__) -#include - -static Bool badSysCall = FALSE; - -static void -SigSysHandler(int signo) -{ - badSysCall = TRUE; -} - -static Bool CheckForShmSyscall(void) -{ - void (*oldHandler)(); - int shmid = -1; - - /* If no SHM support in the kernel, the bad syscall will generate SIGSYS */ - oldHandler = signal(SIGSYS, SigSysHandler); - - badSysCall = FALSE; - shmid = shmget(IPC_PRIVATE, 4096, IPC_CREAT); - - if (shmid != -1) - { - /* Successful allocation - clean up */ - shmctl(shmid, IPC_RMID, NULL); - } - else - { - /* Allocation failed */ - badSysCall = TRUE; - } - signal(SIGSYS, oldHandler); - return !badSysCall; -} - -#define MUST_CHECK_FOR_SHM_SYSCALL - -#endif - -static Bool -ShmCloseScreen(int i, ScreenPtr pScreen) -{ - ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(pScreen); - pScreen->CloseScreen = screen_priv->CloseScreen; - dixSetPrivate(&pScreen->devPrivates, shmScrPrivateKey, NULL); - free(screen_priv); - return (*pScreen->CloseScreen) (i, pScreen); -} - -static ShmScrPrivateRec * -ShmInitScreenPriv(ScreenPtr pScreen) -{ - ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(pScreen); - if (!screen_priv) - { - screen_priv = calloc(1, sizeof (ShmScrPrivateRec)); - screen_priv->CloseScreen = pScreen->CloseScreen; - dixSetPrivate(&pScreen->devPrivates, shmScrPrivateKey, screen_priv); - pScreen->CloseScreen = ShmCloseScreen; - } - return screen_priv; -} - -static Bool -ShmRegisterPrivates(void) -{ - if (!dixRegisterPrivateKey(&shmScrPrivateKeyRec, PRIVATE_SCREEN, 0)) - return FALSE; - if (!dixRegisterPrivateKey(&shmPixmapPrivateKeyRec, PRIVATE_PIXMAP, 0)) - return FALSE; - return TRUE; -} - -/*ARGSUSED*/ -static void -ShmResetProc(ExtensionEntry *extEntry) -{ - int i; - for (i = 0; i < screenInfo.numScreens; i++) - ShmRegisterFuncs(screenInfo.screens[i], NULL); -} - -void -ShmRegisterFuncs(ScreenPtr pScreen, ShmFuncsPtr funcs) -{ - if (!ShmRegisterPrivates()) - return; - ShmInitScreenPriv(pScreen)->shmFuncs = funcs; -} - -static Bool -ShmDestroyPixmap (PixmapPtr pPixmap) -{ - ScreenPtr pScreen = pPixmap->drawable.pScreen; - ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(pScreen); - Bool ret; - if (pPixmap->refcnt == 1) - { - ShmDescPtr shmdesc; - shmdesc = (ShmDescPtr)dixLookupPrivate(&pPixmap->devPrivates, - shmPixmapPrivateKey); - if (shmdesc) - ShmDetachSegment ((pointer) shmdesc, pPixmap->drawable.id); - } - - pScreen->DestroyPixmap = screen_priv->destroyPixmap; - ret = (*pScreen->DestroyPixmap) (pPixmap); - screen_priv->destroyPixmap = pScreen->DestroyPixmap; - pScreen->DestroyPixmap = ShmDestroyPixmap; - return ret; -} - -void -ShmRegisterFbFuncs(ScreenPtr pScreen) -{ - ShmRegisterFuncs(pScreen, &fbFuncs); -} - -static int -ProcShmQueryVersion(ClientPtr client) -{ - xShmQueryVersionReply rep; - int n; - - REQUEST_SIZE_MATCH(xShmQueryVersionReq); - memset(&rep, 0, sizeof(xShmQueryVersionReply)); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.sharedPixmaps = sharedPixmaps; - rep.pixmapFormat = sharedPixmaps ? ZPixmap : 0; - rep.majorVersion = SERVER_SHM_MAJOR_VERSION; - rep.minorVersion = SERVER_SHM_MINOR_VERSION; -#ifndef _MSC_VER - rep.uid = geteuid(); - rep.gid = getegid(); -#endif - if (client->swapped) { - swaps(&rep.sequenceNumber, n); - swapl(&rep.length, n); - swaps(&rep.majorVersion, n); - swaps(&rep.minorVersion, n); - swaps(&rep.uid, n); - swaps(&rep.gid, n); - } - WriteToClient(client, sizeof(xShmQueryVersionReply), (char *)&rep); - return Success; -} - -/* - * Simulate the access() system call for a shared memory segement, - * using the credentials from the client if available - */ -static int -shm_access(ClientPtr client, SHMPERM_TYPE *perm, int readonly) -{ - int uid, gid; - mode_t mask; - int uidset = 0, gidset = 0; - LocalClientCredRec *lcc; - - if (GetLocalClientCreds(client, &lcc) != -1) { - - if (lcc->fieldsSet & LCC_UID_SET) { - uid = lcc->euid; - uidset = 1; - } - if (lcc->fieldsSet & LCC_GID_SET) { - gid = lcc->egid; - gidset = 1; - } - -#if defined(HAVE_GETZONEID) && defined(SHMPERM_ZONEID) - if ( ((lcc->fieldsSet & LCC_ZID_SET) == 0) || (lcc->zoneid == -1) - || (lcc->zoneid != SHMPERM_ZONEID(perm))) { - uidset = 0; - gidset = 0; - } -#endif - FreeLocalClientCreds(lcc); - - if (uidset) { - /* User id 0 always gets access */ - if (uid == 0) { - return 0; - } - #ifdef _MSC_VER - __asm int 3; - #else - /* Check the owner */ - if (SHMPERM_UID(perm) == uid || SHMPERM_CUID(perm) == uid) { - mask = S_IRUSR; - if (!readonly) { - mask |= S_IWUSR; - } - return (SHMPERM_MODE(perm) & mask) == mask ? 0 : -1; - } - #endif - } - - if (gidset) { - /* Check the group */ - #ifdef _MSC_VER - __asm int 3; - #else - if (SHMPERM_GID(perm) == gid || SHMPERM_CGID(perm) == gid) { - mask = S_IRGRP; - if (!readonly) { - mask |= S_IWGRP; - } - return (SHMPERM_MODE(perm) & mask) == mask ? 0 : -1; - } - #endif - } - } - #ifdef _MSC_VER - __asm int 3; - return -1; - #else - /* Otherwise, check everyone else */ - mask = S_IROTH; - if (!readonly) { - mask |= S_IWOTH; - } - return (SHMPERM_MODE(perm) & mask) == mask ? 0 : -1; - #endif -} - -static int -ProcShmAttach(ClientPtr client) -{ - SHMSTAT_TYPE buf; - ShmDescPtr shmdesc; - REQUEST(xShmAttachReq); - - REQUEST_SIZE_MATCH(xShmAttachReq); - LEGAL_NEW_RESOURCE(stuff->shmseg, client); - if ((stuff->readOnly != xTrue) && (stuff->readOnly != xFalse)) - { - client->errorValue = stuff->readOnly; - return BadValue; - } - for (shmdesc = Shmsegs; - shmdesc && (shmdesc->shmid != stuff->shmid); - shmdesc = shmdesc->next) - ; - if (shmdesc) - { - if (!stuff->readOnly && !shmdesc->writable) - return BadAccess; - shmdesc->refcnt++; - } - else - { - shmdesc = malloc(sizeof(ShmDescRec)); - if (!shmdesc) - return BadAlloc; - shmdesc->addr = shmat(stuff->shmid, 0, - stuff->readOnly ? SHM_RDONLY : 0); - if ((shmdesc->addr == ((char *)-1)) || - SHMSTAT(stuff->shmid, &buf)) - { - free(shmdesc); - return BadAccess; - } - - /* The attach was performed with root privs. We must - * do manual checking of access rights for the credentials - * of the client */ - - if (shm_access(client, &(SHM_PERM(buf)), stuff->readOnly) == -1) { - shmdt(shmdesc->addr); - free(shmdesc); - return BadAccess; - } - - shmdesc->shmid = stuff->shmid; - shmdesc->refcnt = 1; - shmdesc->writable = !stuff->readOnly; - shmdesc->size = SHM_SEGSZ(buf); - shmdesc->next = Shmsegs; - Shmsegs = shmdesc; - } - if (!AddResource(stuff->shmseg, ShmSegType, (pointer)shmdesc)) - return BadAlloc; - return Success; -} - -/*ARGSUSED*/ -static int -ShmDetachSegment(pointer value, /* must conform to DeleteType */ - XID shmseg) -{ - ShmDescPtr shmdesc = (ShmDescPtr)value; - ShmDescPtr *prev; - - if (--shmdesc->refcnt) - return TRUE; -#ifndef _MSC_VER - shmdt(shmdesc->addr); -#endif - for (prev = &Shmsegs; *prev != shmdesc; prev = &(*prev)->next) - ; - *prev = shmdesc->next; - free(shmdesc); - return Success; -} - -static int -ProcShmDetach(ClientPtr client) -{ - ShmDescPtr shmdesc; - REQUEST(xShmDetachReq); - - REQUEST_SIZE_MATCH(xShmDetachReq); - VERIFY_SHMSEG(stuff->shmseg, shmdesc, client); - FreeResource(stuff->shmseg, RT_NONE); - return Success; -} - -/* - * If the given request doesn't exactly match PutImage's constraints, - * wrap the image in a scratch pixmap header and let CopyArea sort it out. - */ -static void -doShmPutImage(DrawablePtr dst, GCPtr pGC, - int depth, unsigned int format, - int w, int h, int sx, int sy, int sw, int sh, int dx, int dy, - char *data) -{ - PixmapPtr pPixmap; - - if (format == ZPixmap || depth == 1) { - pPixmap = GetScratchPixmapHeader(dst->pScreen, w, h, depth, - BitsPerPixel(depth), - PixmapBytePad(w, depth), - data); - if (!pPixmap) - return; - pGC->ops->CopyArea((DrawablePtr)pPixmap, dst, pGC, sx, sy, sw, sh, dx, dy); - FreeScratchPixmapHeader(pPixmap); - } else { - GCPtr putGC = GetScratchGC(depth, dst->pScreen); - - if (!putGC) - return; - - pPixmap = (*dst->pScreen->CreatePixmap)(dst->pScreen, sw, sh, depth, - CREATE_PIXMAP_USAGE_SCRATCH); - if (!pPixmap) { - FreeScratchGC(putGC); - return; - } - ValidateGC(&pPixmap->drawable, putGC); - (*putGC->ops->PutImage)(&pPixmap->drawable, putGC, depth, -sx, -sy, w, h, 0, - (format == XYPixmap) ? XYPixmap : ZPixmap, data); - FreeScratchGC(putGC); - if (format == XYBitmap) - (void)(*pGC->ops->CopyPlane)(&pPixmap->drawable, dst, pGC, 0, 0, sw, sh, - dx, dy, 1L); - else - (void)(*pGC->ops->CopyArea)(&pPixmap->drawable, dst, pGC, 0, 0, sw, sh, - dx, dy); - (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap); - } -} - -static int -ProcShmPutImage(ClientPtr client) -{ - GCPtr pGC; - DrawablePtr pDraw; - long length; - ShmDescPtr shmdesc; - REQUEST(xShmPutImageReq); - - REQUEST_SIZE_MATCH(xShmPutImageReq); - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); - VERIFY_SHMPTR(stuff->shmseg, stuff->offset, FALSE, shmdesc, client); - if ((stuff->sendEvent != xTrue) && (stuff->sendEvent != xFalse)) - return BadValue; - if (stuff->format == XYBitmap) - { - if (stuff->depth != 1) - return BadMatch; - length = PixmapBytePad(stuff->totalWidth, 1); - } - else if (stuff->format == XYPixmap) - { - if (pDraw->depth != stuff->depth) - return BadMatch; - length = PixmapBytePad(stuff->totalWidth, 1); - length *= stuff->depth; - } - else if (stuff->format == ZPixmap) - { - if (pDraw->depth != stuff->depth) - return BadMatch; - length = PixmapBytePad(stuff->totalWidth, stuff->depth); - } - else - { - client->errorValue = stuff->format; - return BadValue; - } - - /* - * There's a potential integer overflow in this check: - * VERIFY_SHMSIZE(shmdesc, stuff->offset, length * stuff->totalHeight, - * client); - * the version below ought to avoid it - */ - if (stuff->totalHeight != 0 && - length > (shmdesc->size - stuff->offset)/stuff->totalHeight) { - client->errorValue = stuff->totalWidth; - return BadValue; - } - if (stuff->srcX > stuff->totalWidth) - { - client->errorValue = stuff->srcX; - return BadValue; - } - if (stuff->srcY > stuff->totalHeight) - { - client->errorValue = stuff->srcY; - return BadValue; - } - if ((stuff->srcX + stuff->srcWidth) > stuff->totalWidth) - { - client->errorValue = stuff->srcWidth; - return BadValue; - } - if ((stuff->srcY + stuff->srcHeight) > stuff->totalHeight) - { - client->errorValue = stuff->srcHeight; - return BadValue; - } - - if ((((stuff->format == ZPixmap) && (stuff->srcX == 0)) || - ((stuff->format != ZPixmap) && - (stuff->srcX < screenInfo.bitmapScanlinePad) && - ((stuff->format == XYBitmap) || - ((stuff->srcY == 0) && - (stuff->srcHeight == stuff->totalHeight))))) && - ((stuff->srcX + stuff->srcWidth) == stuff->totalWidth)) - (*pGC->ops->PutImage) (pDraw, pGC, stuff->depth, - stuff->dstX, stuff->dstY, - stuff->totalWidth, stuff->srcHeight, - stuff->srcX, stuff->format, - shmdesc->addr + stuff->offset + - (stuff->srcY * length)); - else - doShmPutImage(pDraw, pGC, stuff->depth, stuff->format, - stuff->totalWidth, stuff->totalHeight, - stuff->srcX, stuff->srcY, - stuff->srcWidth, stuff->srcHeight, - stuff->dstX, stuff->dstY, - shmdesc->addr + stuff->offset); - - if (stuff->sendEvent) - { - xShmCompletionEvent ev; - - ev.type = ShmCompletionCode; - ev.drawable = stuff->drawable; - ev.minorEvent = X_ShmPutImage; - ev.majorEvent = ShmReqCode; - ev.shmseg = stuff->shmseg; - ev.offset = stuff->offset; - WriteEventsToClient(client, 1, (xEvent *) &ev); - } - - return Success; -} - -static int -ProcShmGetImage(ClientPtr client) -{ - DrawablePtr pDraw; - long lenPer = 0, length; - Mask plane = 0; - xShmGetImageReply xgi; - ShmDescPtr shmdesc; - int n, rc; - - REQUEST(xShmGetImageReq); - - REQUEST_SIZE_MATCH(xShmGetImageReq); - if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) - { - client->errorValue = stuff->format; - return BadValue; - } - rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, - DixReadAccess); - if (rc != Success) - return rc; - VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client); - if (pDraw->type == DRAWABLE_WINDOW) - { - if( /* check for being viewable */ - !((WindowPtr) pDraw)->realized || - /* check for being on screen */ - pDraw->x + stuff->x < 0 || - pDraw->x + stuff->x + (int)stuff->width > pDraw->pScreen->width || - pDraw->y + stuff->y < 0 || - pDraw->y + stuff->y + (int)stuff->height > pDraw->pScreen->height || - /* check for being inside of border */ - stuff->x < - wBorderWidth((WindowPtr)pDraw) || - stuff->x + (int)stuff->width > - wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width || - stuff->y < -wBorderWidth((WindowPtr)pDraw) || - stuff->y + (int)stuff->height > - wBorderWidth((WindowPtr)pDraw) + (int)pDraw->height - ) - return BadMatch; - xgi.visual = wVisual(((WindowPtr)pDraw)); - } - else - { - if (stuff->x < 0 || - stuff->x+(int)stuff->width > pDraw->width || - stuff->y < 0 || - stuff->y+(int)stuff->height > pDraw->height - ) - return BadMatch; - xgi.visual = None; - } - xgi.type = X_Reply; - xgi.length = 0; - xgi.sequenceNumber = client->sequence; - xgi.depth = pDraw->depth; - if(stuff->format == ZPixmap) - { - length = PixmapBytePad(stuff->width, pDraw->depth) * stuff->height; - } - else - { - lenPer = PixmapBytePad(stuff->width, 1) * stuff->height; - plane = ((Mask)1) << (pDraw->depth - 1); - /* only planes asked for */ - length = lenPer * Ones(stuff->planeMask & (plane | (plane - 1))); - } - - VERIFY_SHMSIZE(shmdesc, stuff->offset, length, client); - xgi.size = length; - - if (length == 0) - { - /* nothing to do */ - } - else if (stuff->format == ZPixmap) - { - (*pDraw->pScreen->GetImage)(pDraw, stuff->x, stuff->y, - stuff->width, stuff->height, - stuff->format, stuff->planeMask, - shmdesc->addr + stuff->offset); - } - else - { - - length = stuff->offset; - for (; plane; plane >>= 1) - { - if (stuff->planeMask & plane) - { - (*pDraw->pScreen->GetImage)(pDraw, - stuff->x, stuff->y, - stuff->width, stuff->height, - stuff->format, plane, - shmdesc->addr + length); - length += lenPer; - } - } - } - - if (client->swapped) { - swaps(&xgi.sequenceNumber, n); - swapl(&xgi.length, n); - swapl(&xgi.visual, n); - swapl(&xgi.size, n); - } - WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi); - - return Success; -} - -#ifdef PANORAMIX -static int -ProcPanoramiXShmPutImage(ClientPtr client) -{ - int j, result, orig_x, orig_y; - PanoramiXRes *draw, *gc; - Bool sendEvent, isRoot; - - REQUEST(xShmPutImageReq); - REQUEST_SIZE_MATCH(xShmPutImageReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, - XRT_GC, client, DixReadAccess); - if (result != Success) - return result; - - isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; - - orig_x = stuff->dstX; - orig_y = stuff->dstY; - sendEvent = stuff->sendEvent; - stuff->sendEvent = 0; - FOR_NSCREENS(j) { - if(!j) stuff->sendEvent = sendEvent; - stuff->drawable = draw->info[j].id; - stuff->gc = gc->info[j].id; - if (isRoot) { - stuff->dstX = orig_x - screenInfo.screens[j]->x; - stuff->dstY = orig_y - screenInfo.screens[j]->y; - } - result = ProcShmPutImage(client); - if(result != Success) break; - } - return result; -} - -static int -ProcPanoramiXShmGetImage(ClientPtr client) -{ - PanoramiXRes *draw; - DrawablePtr *drawables; - DrawablePtr pDraw; - xShmGetImageReply xgi; - ShmDescPtr shmdesc; - int i, x, y, w, h, format, rc; - Mask plane = 0, planemask; - long lenPer = 0, length, widthBytesLine; - Bool isRoot; - - REQUEST(xShmGetImageReq); - - REQUEST_SIZE_MATCH(xShmGetImageReq); - - if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) { - client->errorValue = stuff->format; - return BadValue; - } - - rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (rc != Success) - return (rc == BadValue) ? BadDrawable : rc; - - if (draw->type == XRT_PIXMAP) - return ProcShmGetImage(client); - - rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, - DixReadAccess); - if (rc != Success) - return rc; - - VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client); - - x = stuff->x; - y = stuff->y; - w = stuff->width; - h = stuff->height; - format = stuff->format; - planemask = stuff->planeMask; - - isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; - - if(isRoot) { - if( /* check for being onscreen */ - x < 0 || x + w > PanoramiXPixWidth || - y < 0 || y + h > PanoramiXPixHeight ) - return BadMatch; - } else { - if( /* check for being onscreen */ - screenInfo.screens[0]->x + pDraw->x + x < 0 || - screenInfo.screens[0]->x + pDraw->x + x + w > PanoramiXPixWidth || - screenInfo.screens[0]->y + pDraw->y + y < 0 || - screenInfo.screens[0]->y + pDraw->y + y + h > PanoramiXPixHeight || - /* check for being inside of border */ - x < - wBorderWidth((WindowPtr)pDraw) || - x + w > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width || - y < -wBorderWidth((WindowPtr)pDraw) || - y + h > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height) - return BadMatch; - } - - drawables = calloc(PanoramiXNumScreens, sizeof(DrawablePtr)); - if(!drawables) - return BadAlloc; - - drawables[0] = pDraw; - FOR_NSCREENS_FORWARD_SKIP(i) { - rc = dixLookupDrawable(drawables+i, draw->info[i].id, client, 0, - DixReadAccess); - if (rc != Success) - { - free(drawables); - return rc; - } - } - - xgi.visual = wVisual(((WindowPtr)pDraw)); - xgi.type = X_Reply; - xgi.length = 0; - xgi.sequenceNumber = client->sequence; - xgi.depth = pDraw->depth; - - if(format == ZPixmap) { - widthBytesLine = PixmapBytePad(w, pDraw->depth); - length = widthBytesLine * h; - } else { - widthBytesLine = PixmapBytePad(w, 1); - lenPer = widthBytesLine * h; - plane = ((Mask)1) << (pDraw->depth - 1); - length = lenPer * Ones(planemask & (plane | (plane - 1))); - } - - VERIFY_SHMSIZE(shmdesc, stuff->offset, length, client); - xgi.size = length; - - if (length == 0) {/* nothing to do */ } - else if (format == ZPixmap) { - XineramaGetImageData(drawables, x, y, w, h, format, planemask, - shmdesc->addr + stuff->offset, - widthBytesLine, isRoot); - } else { - - length = stuff->offset; - for (; plane; plane >>= 1) { - if (planemask & plane) { - XineramaGetImageData(drawables, x, y, w, h, - format, plane, shmdesc->addr + length, - widthBytesLine, isRoot); - length += lenPer; - } - } - } - free(drawables); - - if (client->swapped) { - int n; - swaps(&xgi.sequenceNumber, n); - swapl(&xgi.length, n); - swapl(&xgi.visual, n); - swapl(&xgi.size, n); - } - WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi); - - return Success; -} - -static int -ProcPanoramiXShmCreatePixmap(ClientPtr client) -{ - ScreenPtr pScreen = NULL; - PixmapPtr pMap = NULL; - DrawablePtr pDraw; - DepthPtr pDepth; - int i, j, result, rc; - ShmDescPtr shmdesc; - REQUEST(xShmCreatePixmapReq); - unsigned int width, height, depth; - unsigned long size; - PanoramiXRes *newPix; - - REQUEST_SIZE_MATCH(xShmCreatePixmapReq); - client->errorValue = stuff->pid; - if (!sharedPixmaps) - return BadImplementation; - LEGAL_NEW_RESOURCE(stuff->pid, client); - rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY, - DixGetAttrAccess); - if (rc != Success) - return rc; - - VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client); - - width = stuff->width; - height = stuff->height; - depth = stuff->depth; - if (!width || !height || !depth) - { - client->errorValue = 0; - return BadValue; - } - if (width > 32767 || height > 32767) - return BadAlloc; - - if (stuff->depth != 1) - { - pDepth = pDraw->pScreen->allowedDepths; - for (i=0; ipScreen->numDepths; i++, pDepth++) - if (pDepth->depth == stuff->depth) - goto CreatePmap; - client->errorValue = stuff->depth; - return BadValue; - } - -CreatePmap: - size = PixmapBytePad(width, depth) * height; - if (sizeof(size) == 4 && BitsPerPixel(depth) > 8) { - if (size < width * height) - return BadAlloc; - } - /* thankfully, offset is unsigned */ - if (stuff->offset + size < size) - return BadAlloc; - - VERIFY_SHMSIZE(shmdesc, stuff->offset, size, client); - - if(!(newPix = malloc(sizeof(PanoramiXRes)))) - return BadAlloc; - - newPix->type = XRT_PIXMAP; - newPix->u.pix.shared = TRUE; - panoramix_setup_ids(newPix, client, stuff->pid); - - result = Success; - - FOR_NSCREENS(j) { - ShmScrPrivateRec *screen_priv; - pScreen = screenInfo.screens[j]; - - screen_priv = ShmGetScreenPriv(pScreen); - pMap = (*screen_priv->shmFuncs->CreatePixmap)(pScreen, - stuff->width, stuff->height, stuff->depth, - shmdesc->addr + stuff->offset); - - if (pMap) { - dixSetPrivate(&pMap->devPrivates, shmPixmapPrivateKey, shmdesc); - shmdesc->refcnt++; - pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER; - pMap->drawable.id = newPix->info[j].id; - if (!AddResource(newPix->info[j].id, RT_PIXMAP, (pointer)pMap)) { - (*pScreen->DestroyPixmap)(pMap); - result = BadAlloc; - break; - } - } else { - result = BadAlloc; - break; - } - } - - if(result == BadAlloc) { - while(j--) { - (*pScreen->DestroyPixmap)(pMap); - FreeResource(newPix->info[j].id, RT_NONE); - } - free(newPix); - } else - AddResource(stuff->pid, XRT_PIXMAP, newPix); - - return result; -} -#endif - -static PixmapPtr -fbShmCreatePixmap (ScreenPtr pScreen, - int width, int height, int depth, char *addr) -{ - PixmapPtr pPixmap; - - pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth, 0); - if (!pPixmap) - return NullPixmap; - - if (!(*pScreen->ModifyPixmapHeader)(pPixmap, width, height, depth, - BitsPerPixel(depth), PixmapBytePad(width, depth), (pointer)addr)) { - (*pScreen->DestroyPixmap)(pPixmap); - return NullPixmap; - } - return pPixmap; -} - -static int -ProcShmCreatePixmap(ClientPtr client) -{ - PixmapPtr pMap; - DrawablePtr pDraw; - DepthPtr pDepth; - int i, rc; - ShmDescPtr shmdesc; - ShmScrPrivateRec *screen_priv; - REQUEST(xShmCreatePixmapReq); - unsigned int width, height, depth; - unsigned long size; - - REQUEST_SIZE_MATCH(xShmCreatePixmapReq); - client->errorValue = stuff->pid; - if (!sharedPixmaps) - return BadImplementation; - LEGAL_NEW_RESOURCE(stuff->pid, client); - rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY, - DixGetAttrAccess); - if (rc != Success) - return rc; - - VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client); - - width = stuff->width; - height = stuff->height; - depth = stuff->depth; - if (!width || !height || !depth) - { - client->errorValue = 0; - return BadValue; - } - if (width > 32767 || height > 32767) - return BadAlloc; - - if (stuff->depth != 1) - { - pDepth = pDraw->pScreen->allowedDepths; - for (i=0; ipScreen->numDepths; i++, pDepth++) - if (pDepth->depth == stuff->depth) - goto CreatePmap; - client->errorValue = stuff->depth; - return BadValue; - } - -CreatePmap: - size = PixmapBytePad(width, depth) * height; - if (sizeof(size) == 4 && BitsPerPixel(depth) > 8) { - if (size < width * height) - return BadAlloc; - } - /* thankfully, offset is unsigned */ - if (stuff->offset + size < size) - return BadAlloc; - - VERIFY_SHMSIZE(shmdesc, stuff->offset, size, client); - screen_priv = ShmGetScreenPriv(pDraw->pScreen); - pMap = (*screen_priv->shmFuncs->CreatePixmap)( - pDraw->pScreen, stuff->width, - stuff->height, stuff->depth, - shmdesc->addr + stuff->offset); - if (pMap) - { - rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, RT_PIXMAP, - pMap, RT_NONE, NULL, DixCreateAccess); - if (rc != Success) { - pDraw->pScreen->DestroyPixmap(pMap); - return rc; - } - dixSetPrivate(&pMap->devPrivates, shmPixmapPrivateKey, shmdesc); - shmdesc->refcnt++; - pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER; - pMap->drawable.id = stuff->pid; - if (AddResource(stuff->pid, RT_PIXMAP, (pointer)pMap)) - { - return Success; - } - pDraw->pScreen->DestroyPixmap(pMap); - } - return BadAlloc; -} - -static int -ProcShmDispatch (ClientPtr client) -{ - REQUEST(xReq); - switch (stuff->data) - { - case X_ShmQueryVersion: - return ProcShmQueryVersion(client); - case X_ShmAttach: - return ProcShmAttach(client); - case X_ShmDetach: - return ProcShmDetach(client); - case X_ShmPutImage: -#ifdef PANORAMIX - if ( !noPanoramiXExtension ) - return ProcPanoramiXShmPutImage(client); -#endif - return ProcShmPutImage(client); - case X_ShmGetImage: -#ifdef PANORAMIX - if ( !noPanoramiXExtension ) - return ProcPanoramiXShmGetImage(client); -#endif - return ProcShmGetImage(client); - case X_ShmCreatePixmap: -#ifdef PANORAMIX - if ( !noPanoramiXExtension ) - return ProcPanoramiXShmCreatePixmap(client); -#endif - return ProcShmCreatePixmap(client); - default: - return BadRequest; - } -} - -static void -SShmCompletionEvent(xShmCompletionEvent *from, xShmCompletionEvent *to) -{ - to->type = from->type; - cpswaps(from->sequenceNumber, to->sequenceNumber); - cpswapl(from->drawable, to->drawable); - cpswaps(from->minorEvent, to->minorEvent); - to->majorEvent = from->majorEvent; - cpswapl(from->shmseg, to->shmseg); - cpswapl(from->offset, to->offset); -} - -static int -SProcShmQueryVersion(ClientPtr client) -{ - int n; - REQUEST(xShmQueryVersionReq); - - swaps(&stuff->length, n); - return ProcShmQueryVersion(client); -} - -static int -SProcShmAttach(ClientPtr client) -{ - int n; - REQUEST(xShmAttachReq); - swaps(&stuff->length, n); - REQUEST_SIZE_MATCH(xShmAttachReq); - swapl(&stuff->shmseg, n); - swapl(&stuff->shmid, n); - return ProcShmAttach(client); -} - -static int -SProcShmDetach(ClientPtr client) -{ - int n; - REQUEST(xShmDetachReq); - swaps(&stuff->length, n); - REQUEST_SIZE_MATCH(xShmDetachReq); - swapl(&stuff->shmseg, n); - return ProcShmDetach(client); -} - -static int -SProcShmPutImage(ClientPtr client) -{ - int n; - REQUEST(xShmPutImageReq); - swaps(&stuff->length, n); - REQUEST_SIZE_MATCH(xShmPutImageReq); - swapl(&stuff->drawable, n); - swapl(&stuff->gc, n); - swaps(&stuff->totalWidth, n); - swaps(&stuff->totalHeight, n); - swaps(&stuff->srcX, n); - swaps(&stuff->srcY, n); - swaps(&stuff->srcWidth, n); - swaps(&stuff->srcHeight, n); - swaps(&stuff->dstX, n); - swaps(&stuff->dstY, n); - swapl(&stuff->shmseg, n); - swapl(&stuff->offset, n); - return ProcShmPutImage(client); -} - -static int -SProcShmGetImage(ClientPtr client) -{ - int n; - REQUEST(xShmGetImageReq); - swaps(&stuff->length, n); - REQUEST_SIZE_MATCH(xShmGetImageReq); - swapl(&stuff->drawable, n); - swaps(&stuff->x, n); - swaps(&stuff->y, n); - swaps(&stuff->width, n); - swaps(&stuff->height, n); - swapl(&stuff->planeMask, n); - swapl(&stuff->shmseg, n); - swapl(&stuff->offset, n); - return ProcShmGetImage(client); -} - -static int -SProcShmCreatePixmap(ClientPtr client) -{ - int n; - REQUEST(xShmCreatePixmapReq); - swaps(&stuff->length, n); - REQUEST_SIZE_MATCH(xShmCreatePixmapReq); - swapl(&stuff->pid, n); - swapl(&stuff->drawable, n); - swaps(&stuff->width, n); - swaps(&stuff->height, n); - swapl(&stuff->shmseg, n); - swapl(&stuff->offset, n); - return ProcShmCreatePixmap(client); -} - -static int -SProcShmDispatch (ClientPtr client) -{ - REQUEST(xReq); - switch (stuff->data) - { - case X_ShmQueryVersion: - return SProcShmQueryVersion(client); - case X_ShmAttach: - return SProcShmAttach(client); - case X_ShmDetach: - return SProcShmDetach(client); - case X_ShmPutImage: - return SProcShmPutImage(client); - case X_ShmGetImage: - return SProcShmGetImage(client); - case X_ShmCreatePixmap: - return SProcShmCreatePixmap(client); - default: - return BadRequest; - } -} - -void -ShmExtensionInit(INITARGS) -{ - ExtensionEntry *extEntry; - int i; - -#ifdef MUST_CHECK_FOR_SHM_SYSCALL - if (!CheckForShmSyscall()) - { - ErrorF("MIT-SHM extension disabled due to lack of kernel support\n"); - return; - } -#endif - - if (!ShmRegisterPrivates()) - return; - - sharedPixmaps = xFalse; - { - sharedPixmaps = xTrue; - for (i = 0; i < screenInfo.numScreens; i++) - { - ShmScrPrivateRec *screen_priv = ShmInitScreenPriv(screenInfo.screens[i]); - if (!screen_priv->shmFuncs) - screen_priv->shmFuncs = &miFuncs; - if (!screen_priv->shmFuncs->CreatePixmap) - sharedPixmaps = xFalse; - } - if (sharedPixmaps) - for (i = 0; i < screenInfo.numScreens; i++) - { - ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(screenInfo.screens[i]); - screen_priv->destroyPixmap = screenInfo.screens[i]->DestroyPixmap; - screenInfo.screens[i]->DestroyPixmap = ShmDestroyPixmap; - } - } - ShmSegType = CreateNewResourceType(ShmDetachSegment, "ShmSeg"); - if (ShmSegType && - (extEntry = AddExtension(SHMNAME, ShmNumberEvents, ShmNumberErrors, - ProcShmDispatch, SProcShmDispatch, - ShmResetProc, StandardMinorOpcode))) - { - ShmReqCode = (unsigned char)extEntry->base; - ShmCompletionCode = extEntry->eventBase; - BadShmSegCode = extEntry->errorBase; - SetResourceTypeErrorValue(ShmSegType, BadShmSegCode); - EventSwapVector[ShmCompletionCode] = (EventSwapPtr) SShmCompletionEvent; - } -} +/************************************************************ + +Copyright 1989, 1998 The Open Group + +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. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +********************************************************/ + +/* THIS IS NOT AN X CONSORTIUM STANDARD OR AN X PROJECT TEAM SPECIFICATION */ + + +#define SHM + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include +#if !defined(_MSC_VER) +#include +#include +#endif +#include +#include +#include +#include +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "resource.h" +#include "scrnintstr.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "gcstruct.h" +#include "extnsionst.h" +#include "servermd.h" +#include "shmint.h" +#include "xace.h" +#include +#include +#include "protocol-versions.h" + +/* Needed for Solaris cross-zone shared memory extension */ +#ifdef HAVE_SHMCTL64 +#include +#define SHMSTAT(id, buf) shmctl64(id, IPC_STAT64, buf) +#define SHMSTAT_TYPE struct shmid_ds64 +#define SHMPERM_TYPE struct ipc_perm64 +#define SHM_PERM(buf) buf.shmx_perm +#define SHM_SEGSZ(buf) buf.shmx_segsz +#define SHMPERM_UID(p) p->ipcx_uid +#define SHMPERM_CUID(p) p->ipcx_cuid +#define SHMPERM_GID(p) p->ipcx_gid +#define SHMPERM_CGID(p) p->ipcx_cgid +#define SHMPERM_MODE(p) p->ipcx_mode +#define SHMPERM_ZONEID(p) p->ipcx_zoneid +#else +#define SHMSTAT(id, buf) shmctl(id, IPC_STAT, buf) +#define SHMSTAT_TYPE struct shmid_ds +#define SHMPERM_TYPE struct ipc_perm +#define SHM_PERM(buf) buf.shm_perm +#define SHM_SEGSZ(buf) buf.shm_segsz +#define SHMPERM_UID(p) p->uid +#define SHMPERM_CUID(p) p->cuid +#define SHMPERM_GID(p) p->gid +#define SHMPERM_CGID(p) p->cgid +#define SHMPERM_MODE(p) p->mode +#endif + +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" +#endif + +#include "modinit.h" + +typedef struct _ShmDesc { + struct _ShmDesc *next; + int shmid; + int refcnt; + char *addr; + Bool writable; + unsigned long size; +} ShmDescRec, *ShmDescPtr; + +typedef struct _ShmScrPrivateRec { + CloseScreenProcPtr CloseScreen; + ShmFuncsPtr shmFuncs; + DestroyPixmapProcPtr destroyPixmap; +} ShmScrPrivateRec; + +static PixmapPtr fbShmCreatePixmap(XSHM_CREATE_PIXMAP_ARGS); +static int ShmDetachSegment( + pointer /* value */, + XID /* shmseg */ + ); +static void ShmResetProc( + ExtensionEntry * /* extEntry */ + ); +static void SShmCompletionEvent( + xShmCompletionEvent * /* from */, + xShmCompletionEvent * /* to */ + ); + +static Bool ShmDestroyPixmap (PixmapPtr pPixmap); + + +static unsigned char ShmReqCode; +int ShmCompletionCode; +int BadShmSegCode; +RESTYPE ShmSegType; +static ShmDescPtr Shmsegs; +static Bool sharedPixmaps; +static DevPrivateKeyRec shmScrPrivateKeyRec; +#define shmScrPrivateKey (&shmScrPrivateKeyRec) +static DevPrivateKeyRec shmPixmapPrivateKeyRec; +#define shmPixmapPrivateKey (&shmPixmapPrivateKeyRec) +static ShmFuncs miFuncs = {NULL, NULL}; +static ShmFuncs fbFuncs = {fbShmCreatePixmap, NULL}; + +#define ShmGetScreenPriv(s) ((ShmScrPrivateRec *)dixLookupPrivate(&(s)->devPrivates, shmScrPrivateKey)) + +#define VERIFY_SHMSEG(shmseg,shmdesc,client) \ +{ \ + int rc; \ + rc = dixLookupResourceByType((pointer *)&(shmdesc), shmseg, ShmSegType, \ + client, DixReadAccess); \ + if (rc != Success) \ + return rc; \ +} + +#define VERIFY_SHMPTR(shmseg,offset,needwrite,shmdesc,client) \ +{ \ + VERIFY_SHMSEG(shmseg, shmdesc, client); \ + if ((offset & 3) || (offset > shmdesc->size)) \ + { \ + client->errorValue = offset; \ + return BadValue; \ + } \ + if (needwrite && !shmdesc->writable) \ + return BadAccess; \ +} + +#define VERIFY_SHMSIZE(shmdesc,offset,len,client) \ +{ \ + if ((offset + len) > shmdesc->size) \ + { \ + return BadAccess; \ + } \ +} + + +#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__CYGWIN__) || defined(__DragonFly__) +#include + +static Bool badSysCall = FALSE; + +static void +SigSysHandler(int signo) +{ + badSysCall = TRUE; +} + +static Bool CheckForShmSyscall(void) +{ + void (*oldHandler)(); + int shmid = -1; + + /* If no SHM support in the kernel, the bad syscall will generate SIGSYS */ + oldHandler = signal(SIGSYS, SigSysHandler); + + badSysCall = FALSE; + shmid = shmget(IPC_PRIVATE, 4096, IPC_CREAT); + + if (shmid != -1) + { + /* Successful allocation - clean up */ + shmctl(shmid, IPC_RMID, NULL); + } + else + { + /* Allocation failed */ + badSysCall = TRUE; + } + signal(SIGSYS, oldHandler); + return !badSysCall; +} + +#define MUST_CHECK_FOR_SHM_SYSCALL + +#endif + +static Bool +ShmCloseScreen(int i, ScreenPtr pScreen) +{ + ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(pScreen); + pScreen->CloseScreen = screen_priv->CloseScreen; + dixSetPrivate(&pScreen->devPrivates, shmScrPrivateKey, NULL); + free(screen_priv); + return (*pScreen->CloseScreen) (i, pScreen); +} + +static ShmScrPrivateRec * +ShmInitScreenPriv(ScreenPtr pScreen) +{ + ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(pScreen); + if (!screen_priv) + { + screen_priv = calloc(1, sizeof (ShmScrPrivateRec)); + screen_priv->CloseScreen = pScreen->CloseScreen; + dixSetPrivate(&pScreen->devPrivates, shmScrPrivateKey, screen_priv); + pScreen->CloseScreen = ShmCloseScreen; + } + return screen_priv; +} + +static Bool +ShmRegisterPrivates(void) +{ + if (!dixRegisterPrivateKey(&shmScrPrivateKeyRec, PRIVATE_SCREEN, 0)) + return FALSE; + if (!dixRegisterPrivateKey(&shmPixmapPrivateKeyRec, PRIVATE_PIXMAP, 0)) + return FALSE; + return TRUE; +} + +/*ARGSUSED*/ +static void +ShmResetProc(ExtensionEntry *extEntry) +{ + int i; + for (i = 0; i < screenInfo.numScreens; i++) + ShmRegisterFuncs(screenInfo.screens[i], NULL); +} + +void +ShmRegisterFuncs(ScreenPtr pScreen, ShmFuncsPtr funcs) +{ + if (!ShmRegisterPrivates()) + return; + ShmInitScreenPriv(pScreen)->shmFuncs = funcs; +} + +static Bool +ShmDestroyPixmap (PixmapPtr pPixmap) +{ + ScreenPtr pScreen = pPixmap->drawable.pScreen; + ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(pScreen); + Bool ret; + if (pPixmap->refcnt == 1) + { + ShmDescPtr shmdesc; + shmdesc = (ShmDescPtr)dixLookupPrivate(&pPixmap->devPrivates, + shmPixmapPrivateKey); + if (shmdesc) + ShmDetachSegment ((pointer) shmdesc, pPixmap->drawable.id); + } + + pScreen->DestroyPixmap = screen_priv->destroyPixmap; + ret = (*pScreen->DestroyPixmap) (pPixmap); + screen_priv->destroyPixmap = pScreen->DestroyPixmap; + pScreen->DestroyPixmap = ShmDestroyPixmap; + return ret; +} + +void +ShmRegisterFbFuncs(ScreenPtr pScreen) +{ + ShmRegisterFuncs(pScreen, &fbFuncs); +} + +static int +ProcShmQueryVersion(ClientPtr client) +{ + xShmQueryVersionReply rep; + int n; + + REQUEST_SIZE_MATCH(xShmQueryVersionReq); + memset(&rep, 0, sizeof(xShmQueryVersionReply)); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.sharedPixmaps = sharedPixmaps; + rep.pixmapFormat = sharedPixmaps ? ZPixmap : 0; + rep.majorVersion = SERVER_SHM_MAJOR_VERSION; + rep.minorVersion = SERVER_SHM_MINOR_VERSION; +#ifndef _MSC_VER + rep.uid = geteuid(); + rep.gid = getegid(); +#endif + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + swaps(&rep.uid, n); + swaps(&rep.gid, n); + } + WriteToClient(client, sizeof(xShmQueryVersionReply), (char *)&rep); + return Success; +} + +/* + * Simulate the access() system call for a shared memory segement, + * using the credentials from the client if available + */ +static int +shm_access(ClientPtr client, SHMPERM_TYPE *perm, int readonly) +{ + int uid, gid; + mode_t mask; + int uidset = 0, gidset = 0; + LocalClientCredRec *lcc; + + if (GetLocalClientCreds(client, &lcc) != -1) { + + if (lcc->fieldsSet & LCC_UID_SET) { + uid = lcc->euid; + uidset = 1; + } + if (lcc->fieldsSet & LCC_GID_SET) { + gid = lcc->egid; + gidset = 1; + } + +#if defined(HAVE_GETZONEID) && defined(SHMPERM_ZONEID) + if ( ((lcc->fieldsSet & LCC_ZID_SET) == 0) || (lcc->zoneid == -1) + || (lcc->zoneid != SHMPERM_ZONEID(perm))) { + uidset = 0; + gidset = 0; + } +#endif + FreeLocalClientCreds(lcc); + + if (uidset) { + /* User id 0 always gets access */ + if (uid == 0) { + return 0; + } + #ifdef _MSC_VER + __asm int 3; + #else + /* Check the owner */ + if (SHMPERM_UID(perm) == uid || SHMPERM_CUID(perm) == uid) { + mask = S_IRUSR; + if (!readonly) { + mask |= S_IWUSR; + } + return (SHMPERM_MODE(perm) & mask) == mask ? 0 : -1; + } + #endif + } + + if (gidset) { + /* Check the group */ + #ifdef _MSC_VER + __asm int 3; + #else + if (SHMPERM_GID(perm) == gid || SHMPERM_CGID(perm) == gid) { + mask = S_IRGRP; + if (!readonly) { + mask |= S_IWGRP; + } + return (SHMPERM_MODE(perm) & mask) == mask ? 0 : -1; + } + #endif + } + } + #ifdef _MSC_VER + __asm int 3; + return -1; + #else + /* Otherwise, check everyone else */ + mask = S_IROTH; + if (!readonly) { + mask |= S_IWOTH; + } + return (SHMPERM_MODE(perm) & mask) == mask ? 0 : -1; + #endif +} + +static int +ProcShmAttach(ClientPtr client) +{ + SHMSTAT_TYPE buf; + ShmDescPtr shmdesc; + REQUEST(xShmAttachReq); + + REQUEST_SIZE_MATCH(xShmAttachReq); + LEGAL_NEW_RESOURCE(stuff->shmseg, client); + if ((stuff->readOnly != xTrue) && (stuff->readOnly != xFalse)) + { + client->errorValue = stuff->readOnly; + return BadValue; + } + for (shmdesc = Shmsegs; + shmdesc && (shmdesc->shmid != stuff->shmid); + shmdesc = shmdesc->next) + ; + if (shmdesc) + { + if (!stuff->readOnly && !shmdesc->writable) + return BadAccess; + shmdesc->refcnt++; + } + else + { + shmdesc = malloc(sizeof(ShmDescRec)); + if (!shmdesc) + return BadAlloc; + shmdesc->addr = shmat(stuff->shmid, 0, + stuff->readOnly ? SHM_RDONLY : 0); + if ((shmdesc->addr == ((char *)-1)) || + SHMSTAT(stuff->shmid, &buf)) + { + free(shmdesc); + return BadAccess; + } + + /* The attach was performed with root privs. We must + * do manual checking of access rights for the credentials + * of the client */ + + if (shm_access(client, &(SHM_PERM(buf)), stuff->readOnly) == -1) { + shmdt(shmdesc->addr); + free(shmdesc); + return BadAccess; + } + + shmdesc->shmid = stuff->shmid; + shmdesc->refcnt = 1; + shmdesc->writable = !stuff->readOnly; + shmdesc->size = SHM_SEGSZ(buf); + shmdesc->next = Shmsegs; + Shmsegs = shmdesc; + } + if (!AddResource(stuff->shmseg, ShmSegType, (pointer)shmdesc)) + return BadAlloc; + return Success; +} + +/*ARGSUSED*/ +static int +ShmDetachSegment(pointer value, /* must conform to DeleteType */ + XID shmseg) +{ + ShmDescPtr shmdesc = (ShmDescPtr)value; + ShmDescPtr *prev; + + if (--shmdesc->refcnt) + return TRUE; +#ifndef _MSC_VER + shmdt(shmdesc->addr); +#endif + for (prev = &Shmsegs; *prev != shmdesc; prev = &(*prev)->next) + ; + *prev = shmdesc->next; + free(shmdesc); + return Success; +} + +static int +ProcShmDetach(ClientPtr client) +{ + ShmDescPtr shmdesc; + REQUEST(xShmDetachReq); + + REQUEST_SIZE_MATCH(xShmDetachReq); + VERIFY_SHMSEG(stuff->shmseg, shmdesc, client); + FreeResource(stuff->shmseg, RT_NONE); + return Success; +} + +/* + * If the given request doesn't exactly match PutImage's constraints, + * wrap the image in a scratch pixmap header and let CopyArea sort it out. + */ +static void +doShmPutImage(DrawablePtr dst, GCPtr pGC, + int depth, unsigned int format, + int w, int h, int sx, int sy, int sw, int sh, int dx, int dy, + char *data) +{ + PixmapPtr pPixmap; + + if (format == ZPixmap || depth == 1) { + pPixmap = GetScratchPixmapHeader(dst->pScreen, w, h, depth, + BitsPerPixel(depth), + PixmapBytePad(w, depth), + data); + if (!pPixmap) + return; + pGC->ops->CopyArea((DrawablePtr)pPixmap, dst, pGC, sx, sy, sw, sh, dx, dy); + FreeScratchPixmapHeader(pPixmap); + } else { + GCPtr putGC = GetScratchGC(depth, dst->pScreen); + + if (!putGC) + return; + + pPixmap = (*dst->pScreen->CreatePixmap)(dst->pScreen, sw, sh, depth, + CREATE_PIXMAP_USAGE_SCRATCH); + if (!pPixmap) { + FreeScratchGC(putGC); + return; + } + ValidateGC(&pPixmap->drawable, putGC); + (*putGC->ops->PutImage)(&pPixmap->drawable, putGC, depth, -sx, -sy, w, h, 0, + (format == XYPixmap) ? XYPixmap : ZPixmap, data); + FreeScratchGC(putGC); + if (format == XYBitmap) + (void)(*pGC->ops->CopyPlane)(&pPixmap->drawable, dst, pGC, 0, 0, sw, sh, + dx, dy, 1L); + else + (void)(*pGC->ops->CopyArea)(&pPixmap->drawable, dst, pGC, 0, 0, sw, sh, + dx, dy); + (*pPixmap->drawable.pScreen->DestroyPixmap)(pPixmap); + } +} + +static int +ProcShmPutImage(ClientPtr client) +{ + GCPtr pGC; + DrawablePtr pDraw; + long length; + ShmDescPtr shmdesc; + REQUEST(xShmPutImageReq); + + REQUEST_SIZE_MATCH(xShmPutImageReq); + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + VERIFY_SHMPTR(stuff->shmseg, stuff->offset, FALSE, shmdesc, client); + if ((stuff->sendEvent != xTrue) && (stuff->sendEvent != xFalse)) + return BadValue; + if (stuff->format == XYBitmap) + { + if (stuff->depth != 1) + return BadMatch; + length = PixmapBytePad(stuff->totalWidth, 1); + } + else if (stuff->format == XYPixmap) + { + if (pDraw->depth != stuff->depth) + return BadMatch; + length = PixmapBytePad(stuff->totalWidth, 1); + length *= stuff->depth; + } + else if (stuff->format == ZPixmap) + { + if (pDraw->depth != stuff->depth) + return BadMatch; + length = PixmapBytePad(stuff->totalWidth, stuff->depth); + } + else + { + client->errorValue = stuff->format; + return BadValue; + } + + /* + * There's a potential integer overflow in this check: + * VERIFY_SHMSIZE(shmdesc, stuff->offset, length * stuff->totalHeight, + * client); + * the version below ought to avoid it + */ + if (stuff->totalHeight != 0 && + length > (shmdesc->size - stuff->offset)/stuff->totalHeight) { + client->errorValue = stuff->totalWidth; + return BadValue; + } + if (stuff->srcX > stuff->totalWidth) + { + client->errorValue = stuff->srcX; + return BadValue; + } + if (stuff->srcY > stuff->totalHeight) + { + client->errorValue = stuff->srcY; + return BadValue; + } + if ((stuff->srcX + stuff->srcWidth) > stuff->totalWidth) + { + client->errorValue = stuff->srcWidth; + return BadValue; + } + if ((stuff->srcY + stuff->srcHeight) > stuff->totalHeight) + { + client->errorValue = stuff->srcHeight; + return BadValue; + } + + if ((((stuff->format == ZPixmap) && (stuff->srcX == 0)) || + ((stuff->format != ZPixmap) && + (stuff->srcX < screenInfo.bitmapScanlinePad) && + ((stuff->format == XYBitmap) || + ((stuff->srcY == 0) && + (stuff->srcHeight == stuff->totalHeight))))) && + ((stuff->srcX + stuff->srcWidth) == stuff->totalWidth)) + (*pGC->ops->PutImage) (pDraw, pGC, stuff->depth, + stuff->dstX, stuff->dstY, + stuff->totalWidth, stuff->srcHeight, + stuff->srcX, stuff->format, + shmdesc->addr + stuff->offset + + (stuff->srcY * length)); + else + doShmPutImage(pDraw, pGC, stuff->depth, stuff->format, + stuff->totalWidth, stuff->totalHeight, + stuff->srcX, stuff->srcY, + stuff->srcWidth, stuff->srcHeight, + stuff->dstX, stuff->dstY, + shmdesc->addr + stuff->offset); + + if (stuff->sendEvent) + { + xShmCompletionEvent ev; + + ev.type = ShmCompletionCode; + ev.drawable = stuff->drawable; + ev.minorEvent = X_ShmPutImage; + ev.majorEvent = ShmReqCode; + ev.shmseg = stuff->shmseg; + ev.offset = stuff->offset; + WriteEventsToClient(client, 1, (xEvent *) &ev); + } + + return Success; +} + +static int +ProcShmGetImage(ClientPtr client) +{ + DrawablePtr pDraw; + long lenPer = 0, length; + Mask plane = 0; + xShmGetImageReply xgi; + ShmDescPtr shmdesc; + int n, rc; + + REQUEST(xShmGetImageReq); + + REQUEST_SIZE_MATCH(xShmGetImageReq); + if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) + { + client->errorValue = stuff->format; + return BadValue; + } + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client); + if (pDraw->type == DRAWABLE_WINDOW) + { + if( /* check for being viewable */ + !((WindowPtr) pDraw)->realized || + /* check for being on screen */ + pDraw->x + stuff->x < 0 || + pDraw->x + stuff->x + (int)stuff->width > pDraw->pScreen->width || + pDraw->y + stuff->y < 0 || + pDraw->y + stuff->y + (int)stuff->height > pDraw->pScreen->height || + /* check for being inside of border */ + stuff->x < - wBorderWidth((WindowPtr)pDraw) || + stuff->x + (int)stuff->width > + wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width || + stuff->y < -wBorderWidth((WindowPtr)pDraw) || + stuff->y + (int)stuff->height > + wBorderWidth((WindowPtr)pDraw) + (int)pDraw->height + ) + return BadMatch; + xgi.visual = wVisual(((WindowPtr)pDraw)); + } + else + { + if (stuff->x < 0 || + stuff->x+(int)stuff->width > pDraw->width || + stuff->y < 0 || + stuff->y+(int)stuff->height > pDraw->height + ) + return BadMatch; + xgi.visual = None; + } + xgi.type = X_Reply; + xgi.length = 0; + xgi.sequenceNumber = client->sequence; + xgi.depth = pDraw->depth; + if(stuff->format == ZPixmap) + { + length = PixmapBytePad(stuff->width, pDraw->depth) * stuff->height; + } + else + { + lenPer = PixmapBytePad(stuff->width, 1) * stuff->height; + plane = ((Mask)1) << (pDraw->depth - 1); + /* only planes asked for */ + length = lenPer * Ones(stuff->planeMask & (plane | (plane - 1))); + } + + VERIFY_SHMSIZE(shmdesc, stuff->offset, length, client); + xgi.size = length; + + if (length == 0) + { + /* nothing to do */ + } + else if (stuff->format == ZPixmap) + { + (*pDraw->pScreen->GetImage)(pDraw, stuff->x, stuff->y, + stuff->width, stuff->height, + stuff->format, stuff->planeMask, + shmdesc->addr + stuff->offset); + } + else + { + + length = stuff->offset; + for (; plane; plane >>= 1) + { + if (stuff->planeMask & plane) + { + (*pDraw->pScreen->GetImage)(pDraw, + stuff->x, stuff->y, + stuff->width, stuff->height, + stuff->format, plane, + shmdesc->addr + length); + length += lenPer; + } + } + } + + if (client->swapped) { + swaps(&xgi.sequenceNumber, n); + swapl(&xgi.length, n); + swapl(&xgi.visual, n); + swapl(&xgi.size, n); + } + WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi); + + return Success; +} + +#ifdef PANORAMIX +static int +ProcPanoramiXShmPutImage(ClientPtr client) +{ + int j, result, orig_x, orig_y; + PanoramiXRes *draw, *gc; + Bool sendEvent, isRoot; + + REQUEST(xShmPutImageReq); + REQUEST_SIZE_MATCH(xShmPutImageReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, + XRT_GC, client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + orig_x = stuff->dstX; + orig_y = stuff->dstY; + sendEvent = stuff->sendEvent; + stuff->sendEvent = 0; + FOR_NSCREENS(j) { + if(!j) stuff->sendEvent = sendEvent; + stuff->drawable = draw->info[j].id; + stuff->gc = gc->info[j].id; + if (isRoot) { + stuff->dstX = orig_x - screenInfo.screens[j]->x; + stuff->dstY = orig_y - screenInfo.screens[j]->y; + } + result = ProcShmPutImage(client); + if(result != Success) break; + } + return result; +} + +static int +ProcPanoramiXShmGetImage(ClientPtr client) +{ + PanoramiXRes *draw; + DrawablePtr *drawables; + DrawablePtr pDraw; + xShmGetImageReply xgi; + ShmDescPtr shmdesc; + int i, x, y, w, h, format, rc; + Mask plane = 0, planemask; + long lenPer = 0, length, widthBytesLine; + Bool isRoot; + + REQUEST(xShmGetImageReq); + + REQUEST_SIZE_MATCH(xShmGetImageReq); + + if ((stuff->format != XYPixmap) && (stuff->format != ZPixmap)) { + client->errorValue = stuff->format; + return BadValue; + } + + rc = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (rc != Success) + return (rc == BadValue) ? BadDrawable : rc; + + if (draw->type == XRT_PIXMAP) + return ProcShmGetImage(client); + + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + + VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client); + + x = stuff->x; + y = stuff->y; + w = stuff->width; + h = stuff->height; + format = stuff->format; + planemask = stuff->planeMask; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + if(isRoot) { + if( /* check for being onscreen */ + x < 0 || x + w > PanoramiXPixWidth || + y < 0 || y + h > PanoramiXPixHeight ) + return BadMatch; + } else { + if( /* check for being onscreen */ + screenInfo.screens[0]->x + pDraw->x + x < 0 || + screenInfo.screens[0]->x + pDraw->x + x + w > PanoramiXPixWidth || + screenInfo.screens[0]->y + pDraw->y + y < 0 || + screenInfo.screens[0]->y + pDraw->y + y + h > PanoramiXPixHeight || + /* check for being inside of border */ + x < - wBorderWidth((WindowPtr)pDraw) || + x + w > wBorderWidth((WindowPtr)pDraw) + (int)pDraw->width || + y < -wBorderWidth((WindowPtr)pDraw) || + y + h > wBorderWidth ((WindowPtr)pDraw) + (int)pDraw->height) + return BadMatch; + } + + drawables = calloc(PanoramiXNumScreens, sizeof(DrawablePtr)); + if(!drawables) + return BadAlloc; + + drawables[0] = pDraw; + FOR_NSCREENS_FORWARD_SKIP(i) { + rc = dixLookupDrawable(drawables+i, draw->info[i].id, client, 0, + DixReadAccess); + if (rc != Success) + { + free(drawables); + return rc; + } + } + + xgi.visual = wVisual(((WindowPtr)pDraw)); + xgi.type = X_Reply; + xgi.length = 0; + xgi.sequenceNumber = client->sequence; + xgi.depth = pDraw->depth; + + if(format == ZPixmap) { + widthBytesLine = PixmapBytePad(w, pDraw->depth); + length = widthBytesLine * h; + } else { + widthBytesLine = PixmapBytePad(w, 1); + lenPer = widthBytesLine * h; + plane = ((Mask)1) << (pDraw->depth - 1); + length = lenPer * Ones(planemask & (plane | (plane - 1))); + } + + VERIFY_SHMSIZE(shmdesc, stuff->offset, length, client); + xgi.size = length; + + if (length == 0) {/* nothing to do */ } + else if (format == ZPixmap) { + XineramaGetImageData(drawables, x, y, w, h, format, planemask, + shmdesc->addr + stuff->offset, + widthBytesLine, isRoot); + } else { + + length = stuff->offset; + for (; plane; plane >>= 1) { + if (planemask & plane) { + XineramaGetImageData(drawables, x, y, w, h, + format, plane, shmdesc->addr + length, + widthBytesLine, isRoot); + length += lenPer; + } + } + } + free(drawables); + + if (client->swapped) { + int n; + swaps(&xgi.sequenceNumber, n); + swapl(&xgi.length, n); + swapl(&xgi.visual, n); + swapl(&xgi.size, n); + } + WriteToClient(client, sizeof(xShmGetImageReply), (char *)&xgi); + + return Success; +} + +static int +ProcPanoramiXShmCreatePixmap(ClientPtr client) +{ + ScreenPtr pScreen = NULL; + PixmapPtr pMap = NULL; + DrawablePtr pDraw; + DepthPtr pDepth; + int i, j, result, rc; + ShmDescPtr shmdesc; + REQUEST(xShmCreatePixmapReq); + unsigned int width, height, depth; + unsigned long size; + PanoramiXRes *newPix; + + REQUEST_SIZE_MATCH(xShmCreatePixmapReq); + client->errorValue = stuff->pid; + if (!sharedPixmaps) + return BadImplementation; + LEGAL_NEW_RESOURCE(stuff->pid, client); + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY, + DixGetAttrAccess); + if (rc != Success) + return rc; + + VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client); + + width = stuff->width; + height = stuff->height; + depth = stuff->depth; + if (!width || !height || !depth) + { + client->errorValue = 0; + return BadValue; + } + if (width > 32767 || height > 32767) + return BadAlloc; + + if (stuff->depth != 1) + { + pDepth = pDraw->pScreen->allowedDepths; + for (i=0; ipScreen->numDepths; i++, pDepth++) + if (pDepth->depth == stuff->depth) + goto CreatePmap; + client->errorValue = stuff->depth; + return BadValue; + } + +CreatePmap: + size = PixmapBytePad(width, depth) * height; + if (sizeof(size) == 4 && BitsPerPixel(depth) > 8) { + if (size < width * height) + return BadAlloc; + } + /* thankfully, offset is unsigned */ + if (stuff->offset + size < size) + return BadAlloc; + + VERIFY_SHMSIZE(shmdesc, stuff->offset, size, client); + + if(!(newPix = malloc(sizeof(PanoramiXRes)))) + return BadAlloc; + + newPix->type = XRT_PIXMAP; + newPix->u.pix.shared = TRUE; + panoramix_setup_ids(newPix, client, stuff->pid); + + result = Success; + + FOR_NSCREENS(j) { + ShmScrPrivateRec *screen_priv; + pScreen = screenInfo.screens[j]; + + screen_priv = ShmGetScreenPriv(pScreen); + pMap = (*screen_priv->shmFuncs->CreatePixmap)(pScreen, + stuff->width, stuff->height, stuff->depth, + shmdesc->addr + stuff->offset); + + if (pMap) { + dixSetPrivate(&pMap->devPrivates, shmPixmapPrivateKey, shmdesc); + shmdesc->refcnt++; + pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER; + pMap->drawable.id = newPix->info[j].id; + if (!AddResource(newPix->info[j].id, RT_PIXMAP, (pointer)pMap)) { + (*pScreen->DestroyPixmap)(pMap); + result = BadAlloc; + break; + } + } else { + result = BadAlloc; + break; + } + } + + if(result == BadAlloc) { + while(j--) { + (*pScreen->DestroyPixmap)(pMap); + FreeResource(newPix->info[j].id, RT_NONE); + } + free(newPix); + } else + AddResource(stuff->pid, XRT_PIXMAP, newPix); + + return result; +} +#endif + +static PixmapPtr +fbShmCreatePixmap (ScreenPtr pScreen, + int width, int height, int depth, char *addr) +{ + PixmapPtr pPixmap; + + pPixmap = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth, 0); + if (!pPixmap) + return NullPixmap; + + if (!(*pScreen->ModifyPixmapHeader)(pPixmap, width, height, depth, + BitsPerPixel(depth), PixmapBytePad(width, depth), (pointer)addr)) { + (*pScreen->DestroyPixmap)(pPixmap); + return NullPixmap; + } + return pPixmap; +} + +static int +ProcShmCreatePixmap(ClientPtr client) +{ + PixmapPtr pMap; + DrawablePtr pDraw; + DepthPtr pDepth; + int i, rc; + ShmDescPtr shmdesc; + ShmScrPrivateRec *screen_priv; + REQUEST(xShmCreatePixmapReq); + unsigned int width, height, depth; + unsigned long size; + + REQUEST_SIZE_MATCH(xShmCreatePixmapReq); + client->errorValue = stuff->pid; + if (!sharedPixmaps) + return BadImplementation; + LEGAL_NEW_RESOURCE(stuff->pid, client); + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, M_ANY, + DixGetAttrAccess); + if (rc != Success) + return rc; + + VERIFY_SHMPTR(stuff->shmseg, stuff->offset, TRUE, shmdesc, client); + + width = stuff->width; + height = stuff->height; + depth = stuff->depth; + if (!width || !height || !depth) + { + client->errorValue = 0; + return BadValue; + } + if (width > 32767 || height > 32767) + return BadAlloc; + + if (stuff->depth != 1) + { + pDepth = pDraw->pScreen->allowedDepths; + for (i=0; ipScreen->numDepths; i++, pDepth++) + if (pDepth->depth == stuff->depth) + goto CreatePmap; + client->errorValue = stuff->depth; + return BadValue; + } + +CreatePmap: + size = PixmapBytePad(width, depth) * height; + if (sizeof(size) == 4 && BitsPerPixel(depth) > 8) { + if (size < width * height) + return BadAlloc; + } + /* thankfully, offset is unsigned */ + if (stuff->offset + size < size) + return BadAlloc; + + VERIFY_SHMSIZE(shmdesc, stuff->offset, size, client); + screen_priv = ShmGetScreenPriv(pDraw->pScreen); + pMap = (*screen_priv->shmFuncs->CreatePixmap)( + pDraw->pScreen, stuff->width, + stuff->height, stuff->depth, + shmdesc->addr + stuff->offset); + if (pMap) + { + rc = XaceHook(XACE_RESOURCE_ACCESS, client, stuff->pid, RT_PIXMAP, + pMap, RT_NONE, NULL, DixCreateAccess); + if (rc != Success) { + pDraw->pScreen->DestroyPixmap(pMap); + return rc; + } + dixSetPrivate(&pMap->devPrivates, shmPixmapPrivateKey, shmdesc); + shmdesc->refcnt++; + pMap->drawable.serialNumber = NEXT_SERIAL_NUMBER; + pMap->drawable.id = stuff->pid; + if (AddResource(stuff->pid, RT_PIXMAP, (pointer)pMap)) + { + return Success; + } + pDraw->pScreen->DestroyPixmap(pMap); + } + return BadAlloc; +} + +static int +ProcShmDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) + { + case X_ShmQueryVersion: + return ProcShmQueryVersion(client); + case X_ShmAttach: + return ProcShmAttach(client); + case X_ShmDetach: + return ProcShmDetach(client); + case X_ShmPutImage: +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + return ProcPanoramiXShmPutImage(client); +#endif + return ProcShmPutImage(client); + case X_ShmGetImage: +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + return ProcPanoramiXShmGetImage(client); +#endif + return ProcShmGetImage(client); + case X_ShmCreatePixmap: +#ifdef PANORAMIX + if ( !noPanoramiXExtension ) + return ProcPanoramiXShmCreatePixmap(client); +#endif + return ProcShmCreatePixmap(client); + default: + return BadRequest; + } +} + +static void +SShmCompletionEvent(xShmCompletionEvent *from, xShmCompletionEvent *to) +{ + to->type = from->type; + cpswaps(from->sequenceNumber, to->sequenceNumber); + cpswapl(from->drawable, to->drawable); + cpswaps(from->minorEvent, to->minorEvent); + to->majorEvent = from->majorEvent; + cpswapl(from->shmseg, to->shmseg); + cpswapl(from->offset, to->offset); +} + +static int +SProcShmQueryVersion(ClientPtr client) +{ + int n; + REQUEST(xShmQueryVersionReq); + + swaps(&stuff->length, n); + return ProcShmQueryVersion(client); +} + +static int +SProcShmAttach(ClientPtr client) +{ + int n; + REQUEST(xShmAttachReq); + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xShmAttachReq); + swapl(&stuff->shmseg, n); + swapl(&stuff->shmid, n); + return ProcShmAttach(client); +} + +static int +SProcShmDetach(ClientPtr client) +{ + int n; + REQUEST(xShmDetachReq); + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xShmDetachReq); + swapl(&stuff->shmseg, n); + return ProcShmDetach(client); +} + +static int +SProcShmPutImage(ClientPtr client) +{ + int n; + REQUEST(xShmPutImageReq); + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xShmPutImageReq); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swaps(&stuff->totalWidth, n); + swaps(&stuff->totalHeight, n); + swaps(&stuff->srcX, n); + swaps(&stuff->srcY, n); + swaps(&stuff->srcWidth, n); + swaps(&stuff->srcHeight, n); + swaps(&stuff->dstX, n); + swaps(&stuff->dstY, n); + swapl(&stuff->shmseg, n); + swapl(&stuff->offset, n); + return ProcShmPutImage(client); +} + +static int +SProcShmGetImage(ClientPtr client) +{ + int n; + REQUEST(xShmGetImageReq); + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xShmGetImageReq); + swapl(&stuff->drawable, n); + swaps(&stuff->x, n); + swaps(&stuff->y, n); + swaps(&stuff->width, n); + swaps(&stuff->height, n); + swapl(&stuff->planeMask, n); + swapl(&stuff->shmseg, n); + swapl(&stuff->offset, n); + return ProcShmGetImage(client); +} + +static int +SProcShmCreatePixmap(ClientPtr client) +{ + int n; + REQUEST(xShmCreatePixmapReq); + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xShmCreatePixmapReq); + swapl(&stuff->pid, n); + swapl(&stuff->drawable, n); + swaps(&stuff->width, n); + swaps(&stuff->height, n); + swapl(&stuff->shmseg, n); + swapl(&stuff->offset, n); + return ProcShmCreatePixmap(client); +} + +static int +SProcShmDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) + { + case X_ShmQueryVersion: + return SProcShmQueryVersion(client); + case X_ShmAttach: + return SProcShmAttach(client); + case X_ShmDetach: + return SProcShmDetach(client); + case X_ShmPutImage: + return SProcShmPutImage(client); + case X_ShmGetImage: + return SProcShmGetImage(client); + case X_ShmCreatePixmap: + return SProcShmCreatePixmap(client); + default: + return BadRequest; + } +} + +void +ShmExtensionInit(INITARGS) +{ + ExtensionEntry *extEntry; + int i; + +#ifdef MUST_CHECK_FOR_SHM_SYSCALL + if (!CheckForShmSyscall()) + { + ErrorF("MIT-SHM extension disabled due to lack of kernel support\n"); + return; + } +#endif + + if (!ShmRegisterPrivates()) + return; + + sharedPixmaps = xFalse; + { + sharedPixmaps = xTrue; + for (i = 0; i < screenInfo.numScreens; i++) + { + ShmScrPrivateRec *screen_priv = ShmInitScreenPriv(screenInfo.screens[i]); + if (!screen_priv->shmFuncs) + screen_priv->shmFuncs = &miFuncs; + if (!screen_priv->shmFuncs->CreatePixmap) + sharedPixmaps = xFalse; + } + if (sharedPixmaps) + for (i = 0; i < screenInfo.numScreens; i++) + { + ShmScrPrivateRec *screen_priv = ShmGetScreenPriv(screenInfo.screens[i]); + screen_priv->destroyPixmap = screenInfo.screens[i]->DestroyPixmap; + screenInfo.screens[i]->DestroyPixmap = ShmDestroyPixmap; + } + } + ShmSegType = CreateNewResourceType(ShmDetachSegment, "ShmSeg"); + if (ShmSegType && + (extEntry = AddExtension(SHMNAME, ShmNumberEvents, ShmNumberErrors, + ProcShmDispatch, SProcShmDispatch, + ShmResetProc, StandardMinorOpcode))) + { + ShmReqCode = (unsigned char)extEntry->base; + ShmCompletionCode = extEntry->eventBase; + BadShmSegCode = extEntry->errorBase; + SetResourceTypeErrorValue(ShmSegType, BadShmSegCode); + EventSwapVector[ShmCompletionCode] = (EventSwapPtr) SShmCompletionEvent; + } +} diff --git a/xorg-server/Xext/xselinux_hooks.c b/xorg-server/Xext/xselinux_hooks.c index 1c048bd68..f1d8e5d2f 100644 --- a/xorg-server/Xext/xselinux_hooks.c +++ b/xorg-server/Xext/xselinux_hooks.c @@ -1,935 +1,935 @@ -/************************************************************ - -Author: Eamon Walsh - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -this permission notice appear in supporting documentation. This permission -notice shall be included in all copies or substantial portions of the -Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -********************************************************/ - -/* - * Portions of this code copyright (c) 2005 by Trusted Computer Solutions, Inc. - * All rights reserved. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include -#include -#include - -#include - -#include -#include "selection.h" -#include "inputstr.h" -#include "scrnintstr.h" -#include "windowstr.h" -#include "propertyst.h" -#include "extnsionst.h" -#include "xacestr.h" -#include "client.h" -#include "../os/osdep.h" -#define _XSELINUX_NEED_FLASK_MAP -#include "xselinuxint.h" - - -/* structure passed to auditing callback */ -typedef struct { - ClientPtr client; /* client */ - DeviceIntPtr dev; /* device */ - char *command; /* client's executable path */ - unsigned id; /* resource id, if any */ - int restype; /* resource type, if any */ - int event; /* event type, if any */ - Atom property; /* property name, if any */ - Atom selection; /* selection name, if any */ - char *extension; /* extension name, if any */ -} SELinuxAuditRec; - -/* private state keys */ -DevPrivateKeyRec subjectKeyRec; -DevPrivateKeyRec objectKeyRec; -DevPrivateKeyRec dataKeyRec; - -/* audit file descriptor */ -static int audit_fd; - -/* atoms for window label properties */ -static Atom atom_ctx; -static Atom atom_client_ctx; - -/* The unlabeled SID */ -static security_id_t unlabeled_sid; - -/* forward declarations */ -static void SELinuxScreen(CallbackListPtr *, pointer, pointer); - -/* "true" pointer value for use as callback data */ -static pointer truep = (pointer)1; - - -/* - * Performs an SELinux permission check. - */ -static int -SELinuxDoCheck(SELinuxSubjectRec *subj, SELinuxObjectRec *obj, - security_class_t class, Mask mode, SELinuxAuditRec *auditdata) -{ - /* serverClient requests OK */ - if (subj->privileged) - return Success; - - auditdata->command = subj->command; - errno = 0; - - if (avc_has_perm(subj->sid, obj->sid, class, mode, &subj->aeref, - auditdata) < 0) { - if (mode == DixUnknownAccess) - return Success; /* DixUnknownAccess requests OK ... for now */ - if (errno == EACCES) - return BadAccess; - ErrorF("SELinux: avc_has_perm: unexpected error %d\n", errno); - return BadValue; - } - - return Success; -} - -/* - * Labels a newly connected client. - */ -static void -SELinuxLabelClient(ClientPtr client) -{ - int fd = XaceGetConnectionNumber(client); - SELinuxSubjectRec *subj; - SELinuxObjectRec *obj; - security_context_t ctx; - - subj = dixLookupPrivate(&client->devPrivates, subjectKey); - obj = dixLookupPrivate(&client->devPrivates, objectKey); - - /* Try to get a context from the socket */ - if (fd < 0 || getpeercon_raw(fd, &ctx) < 0) { - /* Otherwise, fall back to a default context */ - ctx = SELinuxDefaultClientLabel(); - } - - /* For local clients, try and determine the executable name */ - if (XaceIsLocal(client)) { - /* Get cached command name if CLIENTIDS is enabled. */ - const char *cmdname = GetClientCmdName(client); - Bool cached = (cmdname != NULL); - /* If CLIENTIDS is disabled, figure out the command name from - * scratch. */ - if (!cmdname) - { - pid_t pid = DetermineClientPid(client); - if (pid != -1) - DetermineClientCmd(pid, &cmdname, NULL); - } - - if (!cmdname) - goto finish; - - strncpy(subj->command, cmdname, COMMAND_LEN - 1); - - if (!cached) - free((void *) cmdname); /* const char * */ - } - -finish: - /* Get a SID from the context */ - if (avc_context_to_sid_raw(ctx, &subj->sid) < 0) - FatalError("SELinux: client %d: context_to_sid_raw(%s) failed\n", - client->index, ctx); - - obj->sid = subj->sid; - freecon(ctx); -} - -/* - * Labels initial server objects. - */ -static void -SELinuxLabelInitial(void) -{ - int i; - XaceScreenAccessRec srec; - SELinuxSubjectRec *subj; - SELinuxObjectRec *obj; - security_context_t ctx; - pointer unused; - - /* Do the serverClient */ - subj = dixLookupPrivate(&serverClient->devPrivates, subjectKey); - obj = dixLookupPrivate(&serverClient->devPrivates, objectKey); - subj->privileged = 1; - - /* Use the context of the X server process for the serverClient */ - if (getcon_raw(&ctx) < 0) - FatalError("SELinux: couldn't get context of X server process\n"); - - /* Get a SID from the context */ - if (avc_context_to_sid_raw(ctx, &subj->sid) < 0) - FatalError("SELinux: serverClient: context_to_sid(%s) failed\n", ctx); - - obj->sid = subj->sid; - freecon(ctx); - - srec.client = serverClient; - srec.access_mode = DixCreateAccess; - srec.status = Success; - - for (i = 0; i < screenInfo.numScreens; i++) { - /* Do the screen object */ - srec.screen = screenInfo.screens[i]; - SELinuxScreen(NULL, NULL, &srec); - - /* Do the default colormap */ - dixLookupResourceByType(&unused, screenInfo.screens[i]->defColormap, - RT_COLORMAP, serverClient, DixCreateAccess); - } -} - -/* - * Labels new resource objects. - */ -static int -SELinuxLabelResource(XaceResourceAccessRec *rec, SELinuxSubjectRec *subj, - SELinuxObjectRec *obj, security_class_t class) -{ - int offset; - security_id_t tsid; - - /* Check for a create context */ - if (rec->rtype & RC_DRAWABLE && subj->win_create_sid) { - obj->sid = subj->win_create_sid; - return Success; - } - - if (rec->parent) - offset = dixLookupPrivateOffset(rec->ptype); - - if (rec->parent && offset >= 0) { - /* Use the SID of the parent object in the labeling operation */ - PrivateRec **privatePtr = DEVPRIV_AT(rec->parent, offset); - SELinuxObjectRec *pobj = dixLookupPrivate(privatePtr, objectKey); - tsid = pobj->sid; - } else { - /* Use the SID of the subject */ - tsid = subj->sid; - } - - /* Perform a transition to obtain the final SID */ - if (avc_compute_create(subj->sid, tsid, class, &obj->sid) < 0) { - ErrorF("SELinux: a compute_create call failed!\n"); - return BadValue; - } - - return Success; -} - - -/* - * Libselinux Callbacks - */ - -static int -SELinuxAudit(void *auditdata, - security_class_t class, - char *msgbuf, - size_t msgbufsize) -{ - SELinuxAuditRec *audit = auditdata; - ClientPtr client = audit->client; - char idNum[16]; - const char *propertyName, *selectionName; - int major = -1, minor = -1; - - if (client) { - REQUEST(xReq); - if (stuff) { - major = stuff->reqType; - minor = MinorOpcodeOfRequest(client); - } - } - if (audit->id) - snprintf(idNum, 16, "%x", audit->id); - - propertyName = audit->property ? NameForAtom(audit->property) : NULL; - selectionName = audit->selection ? NameForAtom(audit->selection) : NULL; - - return snprintf(msgbuf, msgbufsize, - "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", - (major >= 0) ? "request=" : "", - (major >= 0) ? LookupRequestName(major, minor) : "", - audit->command ? " comm=" : "", - audit->command ? audit->command : "", - audit->dev ? " xdevice=\"" : "", - audit->dev ? audit->dev->name : "", - audit->dev ? "\"" : "", - audit->id ? " resid=" : "", - audit->id ? idNum : "", - audit->restype ? " restype=" : "", - audit->restype ? LookupResourceName(audit->restype) : "", - audit->event ? " event=" : "", - audit->event ? LookupEventName(audit->event & 127) : "", - audit->property ? " property=" : "", - audit->property ? propertyName : "", - audit->selection ? " selection=" : "", - audit->selection ? selectionName : "", - audit->extension ? " extension=" : "", - audit->extension ? audit->extension : ""); -} - -static int -SELinuxLog(int type, const char *fmt, ...) -{ - va_list ap; - char buf[MAX_AUDIT_MESSAGE_LENGTH]; - int rc, aut; - - switch (type) { - case SELINUX_INFO: - aut = AUDIT_USER_MAC_POLICY_LOAD; - break; - case SELINUX_AVC: - aut = AUDIT_USER_AVC; - break; - default: - aut = AUDIT_USER_SELINUX_ERR; - break; - } - - va_start(ap, fmt); - vsnprintf(buf, MAX_AUDIT_MESSAGE_LENGTH, fmt, ap); - rc = audit_log_user_avc_message(audit_fd, aut, buf, NULL, NULL, NULL, 0); - va_end(ap); - LogMessageVerb(X_WARNING, 0, "%s", buf); - return 0; -} - -/* - * XACE Callbacks - */ - -static void -SELinuxDevice(CallbackListPtr *pcbl, pointer unused, pointer calldata) -{ - XaceDeviceAccessRec *rec = calldata; - SELinuxSubjectRec *subj; - SELinuxObjectRec *obj; - SELinuxAuditRec auditdata = { .client = rec->client, .dev = rec->dev }; - security_class_t cls; - int rc; - - subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); - obj = dixLookupPrivate(&rec->dev->devPrivates, objectKey); - - /* If this is a new object that needs labeling, do it now */ - if (rec->access_mode & DixCreateAccess) { - SELinuxSubjectRec *dsubj; - dsubj = dixLookupPrivate(&rec->dev->devPrivates, subjectKey); - - if (subj->dev_create_sid) { - /* Label the device with the create context */ - obj->sid = subj->dev_create_sid; - dsubj->sid = subj->dev_create_sid; - } else { - /* Label the device directly with the process SID */ - obj->sid = subj->sid; - dsubj->sid = subj->sid; - } - } - - cls = IsPointerDevice(rec->dev) ? SECCLASS_X_POINTER : SECCLASS_X_KEYBOARD; - rc = SELinuxDoCheck(subj, obj, cls, rec->access_mode, &auditdata); - if (rc != Success) - rec->status = rc; -} - -static void -SELinuxSend(CallbackListPtr *pcbl, pointer unused, pointer calldata) -{ - XaceSendAccessRec *rec = calldata; - SELinuxSubjectRec *subj; - SELinuxObjectRec *obj, ev_sid; - SELinuxAuditRec auditdata = { .client = rec->client, .dev = rec->dev }; - security_class_t class; - int rc, i, type; - - if (rec->dev) - subj = dixLookupPrivate(&rec->dev->devPrivates, subjectKey); - else - subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); - - obj = dixLookupPrivate(&rec->pWin->devPrivates, objectKey); - - /* Check send permission on window */ - rc = SELinuxDoCheck(subj, obj, SECCLASS_X_DRAWABLE, DixSendAccess, - &auditdata); - if (rc != Success) - goto err; - - /* Check send permission on specific event types */ - for (i = 0; i < rec->count; i++) { - type = rec->events[i].u.u.type; - class = (type & 128) ? SECCLASS_X_FAKEEVENT : SECCLASS_X_EVENT; - - rc = SELinuxEventToSID(type, obj->sid, &ev_sid); - if (rc != Success) - goto err; - - auditdata.event = type; - rc = SELinuxDoCheck(subj, &ev_sid, class, DixSendAccess, &auditdata); - if (rc != Success) - goto err; - } - return; -err: - rec->status = rc; -} - -static void -SELinuxReceive(CallbackListPtr *pcbl, pointer unused, pointer calldata) -{ - XaceReceiveAccessRec *rec = calldata; - SELinuxSubjectRec *subj; - SELinuxObjectRec *obj, ev_sid; - SELinuxAuditRec auditdata = { .client = NULL }; - security_class_t class; - int rc, i, type; - - subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); - obj = dixLookupPrivate(&rec->pWin->devPrivates, objectKey); - - /* Check receive permission on window */ - rc = SELinuxDoCheck(subj, obj, SECCLASS_X_DRAWABLE, DixReceiveAccess, - &auditdata); - if (rc != Success) - goto err; - - /* Check receive permission on specific event types */ - for (i = 0; i < rec->count; i++) { - type = rec->events[i].u.u.type; - class = (type & 128) ? SECCLASS_X_FAKEEVENT : SECCLASS_X_EVENT; - - rc = SELinuxEventToSID(type, obj->sid, &ev_sid); - if (rc != Success) - goto err; - - auditdata.event = type; - rc = SELinuxDoCheck(subj, &ev_sid, class, DixReceiveAccess, &auditdata); - if (rc != Success) - goto err; - } - return; -err: - rec->status = rc; -} - -static void -SELinuxExtension(CallbackListPtr *pcbl, pointer unused, pointer calldata) -{ - XaceExtAccessRec *rec = calldata; - SELinuxSubjectRec *subj, *serv; - SELinuxObjectRec *obj; - SELinuxAuditRec auditdata = { .client = rec->client }; - int rc; - - subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); - obj = dixLookupPrivate(&rec->ext->devPrivates, objectKey); - - /* If this is a new object that needs labeling, do it now */ - /* XXX there should be a separate callback for this */ - if (obj->sid == NULL) { - security_id_t sid; - - serv = dixLookupPrivate(&serverClient->devPrivates, subjectKey); - rc = SELinuxExtensionToSID(rec->ext->name, &sid); - if (rc != Success) { - rec->status = rc; - return; - } - - /* Perform a transition to obtain the final SID */ - if (avc_compute_create(serv->sid, sid, SECCLASS_X_EXTENSION, - &obj->sid) < 0) { - ErrorF("SELinux: a SID transition call failed!\n"); - rec->status = BadValue; - return; - } - } - - /* Perform the security check */ - auditdata.extension = rec->ext->name; - rc = SELinuxDoCheck(subj, obj, SECCLASS_X_EXTENSION, rec->access_mode, - &auditdata); - if (rc != Success) - rec->status = rc; -} - -static void -SELinuxSelection(CallbackListPtr *pcbl, pointer unused, pointer calldata) -{ - XaceSelectionAccessRec *rec = calldata; - SELinuxSubjectRec *subj; - SELinuxObjectRec *obj, *data; - Selection *pSel = *rec->ppSel; - Atom name = pSel->selection; - Mask access_mode = rec->access_mode; - SELinuxAuditRec auditdata = { .client = rec->client, .selection = name }; - security_id_t tsid; - int rc; - - subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); - obj = dixLookupPrivate(&pSel->devPrivates, objectKey); - - /* If this is a new object that needs labeling, do it now */ - if (access_mode & DixCreateAccess) { - rc = SELinuxSelectionToSID(name, subj, &obj->sid, &obj->poly); - if (rc != Success) - obj->sid = unlabeled_sid; - access_mode = DixSetAttrAccess; - } - /* If this is a polyinstantiated object, find the right instance */ - else if (obj->poly) { - rc = SELinuxSelectionToSID(name, subj, &tsid, NULL); - if (rc != Success) { - rec->status = rc; - return; - } - while (pSel->selection != name || obj->sid != tsid) { - if ((pSel = pSel->next) == NULL) - break; - obj = dixLookupPrivate(&pSel->devPrivates, objectKey); - } - - if (pSel) - *rec->ppSel = pSel; - else { - rec->status = BadMatch; - return; - } - } - - /* Perform the security check */ - rc = SELinuxDoCheck(subj, obj, SECCLASS_X_SELECTION, access_mode, - &auditdata); - if (rc != Success) - rec->status = rc; - - /* Label the content (advisory only) */ - if (access_mode & DixSetAttrAccess) { - data = dixLookupPrivate(&pSel->devPrivates, dataKey); - if (subj->sel_create_sid) - data->sid = subj->sel_create_sid; - else - data->sid = obj->sid; - } -} - -static void -SELinuxProperty(CallbackListPtr *pcbl, pointer unused, pointer calldata) -{ - XacePropertyAccessRec *rec = calldata; - SELinuxSubjectRec *subj; - SELinuxObjectRec *obj, *data; - PropertyPtr pProp = *rec->ppProp; - Atom name = pProp->propertyName; - SELinuxAuditRec auditdata = { .client = rec->client, .property = name }; - security_id_t tsid; - int rc; - - /* Don't care about the new content check */ - if (rec->access_mode & DixPostAccess) - return; - - subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); - obj = dixLookupPrivate(&pProp->devPrivates, objectKey); - - /* If this is a new object that needs labeling, do it now */ - if (rec->access_mode & DixCreateAccess) { - rc = SELinuxPropertyToSID(name, subj, &obj->sid, &obj->poly); - if (rc != Success) { - rec->status = rc; - return; - } - } - /* If this is a polyinstantiated object, find the right instance */ - else if (obj->poly) { - rc = SELinuxPropertyToSID(name, subj, &tsid, NULL); - if (rc != Success) { - rec->status = rc; - return; - } - while (pProp->propertyName != name || obj->sid != tsid) { - if ((pProp = pProp->next) == NULL) - break; - obj = dixLookupPrivate(&pProp->devPrivates, objectKey); - } - - if (pProp) - *rec->ppProp = pProp; - else { - rec->status = BadMatch; - return; - } - } - - /* Perform the security check */ - rc = SELinuxDoCheck(subj, obj, SECCLASS_X_PROPERTY, rec->access_mode, - &auditdata); - if (rc != Success) - rec->status = rc; - - /* Label the content (advisory only) */ - if (rec->access_mode & DixWriteAccess) { - data = dixLookupPrivate(&pProp->devPrivates, dataKey); - if (subj->prp_create_sid) - data->sid = subj->prp_create_sid; - else - data->sid = obj->sid; - } -} - -static void -SELinuxResource(CallbackListPtr *pcbl, pointer unused, pointer calldata) -{ - XaceResourceAccessRec *rec = calldata; - SELinuxSubjectRec *subj; - SELinuxObjectRec *obj; - SELinuxAuditRec auditdata = { .client = rec->client }; - Mask access_mode = rec->access_mode; - PrivateRec **privatePtr; - security_class_t class; - int rc, offset; - - subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); - - /* Determine if the resource object has a devPrivates field */ - offset = dixLookupPrivateOffset(rec->rtype); - if (offset < 0) { - /* No: use the SID of the owning client */ - class = SECCLASS_X_RESOURCE; - privatePtr = &clients[CLIENT_ID(rec->id)]->devPrivates; - obj = dixLookupPrivate(privatePtr, objectKey); - } else { - /* Yes: use the SID from the resource object itself */ - class = SELinuxTypeToClass(rec->rtype); - privatePtr = DEVPRIV_AT(rec->res, offset); - obj = dixLookupPrivate(privatePtr, objectKey); - } - - /* If this is a new object that needs labeling, do it now */ - if (access_mode & DixCreateAccess && offset >= 0) { - rc = SELinuxLabelResource(rec, subj, obj, class); - if (rc != Success) { - rec->status = rc; - return; - } - } - - /* Collapse generic resource permissions down to read/write */ - if (class == SECCLASS_X_RESOURCE) { - access_mode = !!(rec->access_mode & SELinuxReadMask); /* rd */ - access_mode |= !!(rec->access_mode & ~SELinuxReadMask) << 1; /* wr */ - } - - /* Perform the security check */ - auditdata.restype = rec->rtype; - auditdata.id = rec->id; - rc = SELinuxDoCheck(subj, obj, class, access_mode, &auditdata); - if (rc != Success) - rec->status = rc; - - /* Perform the background none check on windows */ - if (access_mode & DixCreateAccess && rec->rtype == RT_WINDOW) { - rc = SELinuxDoCheck(subj, obj, class, DixBlendAccess, &auditdata); - if (rc != Success) - ((WindowPtr)rec->res)->forcedBG = TRUE; - } -} - -static void -SELinuxScreen(CallbackListPtr *pcbl, pointer is_saver, pointer calldata) -{ - XaceScreenAccessRec *rec = calldata; - SELinuxSubjectRec *subj; - SELinuxObjectRec *obj; - SELinuxAuditRec auditdata = { .client = rec->client }; - Mask access_mode = rec->access_mode; - int rc; - - subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); - obj = dixLookupPrivate(&rec->screen->devPrivates, objectKey); - - /* If this is a new object that needs labeling, do it now */ - if (access_mode & DixCreateAccess) { - /* Perform a transition to obtain the final SID */ - if (avc_compute_create(subj->sid, subj->sid, SECCLASS_X_SCREEN, - &obj->sid) < 0) { - ErrorF("SELinux: a compute_create call failed!\n"); - rec->status = BadValue; - return; - } - } - - if (is_saver) - access_mode <<= 2; - - rc = SELinuxDoCheck(subj, obj, SECCLASS_X_SCREEN, access_mode, &auditdata); - if (rc != Success) - rec->status = rc; -} - -static void -SELinuxClient(CallbackListPtr *pcbl, pointer unused, pointer calldata) -{ - XaceClientAccessRec *rec = calldata; - SELinuxSubjectRec *subj; - SELinuxObjectRec *obj; - SELinuxAuditRec auditdata = { .client = rec->client }; - int rc; - - subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); - obj = dixLookupPrivate(&rec->target->devPrivates, objectKey); - - rc = SELinuxDoCheck(subj, obj, SECCLASS_X_CLIENT, rec->access_mode, - &auditdata); - if (rc != Success) - rec->status = rc; -} - -static void -SELinuxServer(CallbackListPtr *pcbl, pointer unused, pointer calldata) -{ - XaceServerAccessRec *rec = calldata; - SELinuxSubjectRec *subj; - SELinuxObjectRec *obj; - SELinuxAuditRec auditdata = { .client = rec->client }; - int rc; - - subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); - obj = dixLookupPrivate(&serverClient->devPrivates, objectKey); - - rc = SELinuxDoCheck(subj, obj, SECCLASS_X_SERVER, rec->access_mode, - &auditdata); - if (rc != Success) - rec->status = rc; -} - - -/* - * DIX Callbacks - */ - -static void -SELinuxClientState(CallbackListPtr *pcbl, pointer unused, pointer calldata) -{ - NewClientInfoRec *pci = calldata; - - switch (pci->client->clientState) { - case ClientStateInitial: - SELinuxLabelClient(pci->client); - break; - - default: - break; - } -} - -static void -SELinuxResourceState(CallbackListPtr *pcbl, pointer unused, pointer calldata) -{ - ResourceStateInfoRec *rec = calldata; - SELinuxSubjectRec *subj; - SELinuxObjectRec *obj; - WindowPtr pWin; - - if (rec->type != RT_WINDOW) - return; - if (rec->state != ResourceStateAdding) - return; - - pWin = (WindowPtr)rec->value; - subj = dixLookupPrivate(&wClient(pWin)->devPrivates, subjectKey); - - if (subj->sid) { - security_context_t ctx; - int rc = avc_sid_to_context_raw(subj->sid, &ctx); - if (rc < 0) - FatalError("SELinux: Failed to get security context!\n"); - rc = dixChangeWindowProperty(serverClient, - pWin, atom_client_ctx, XA_STRING, 8, - PropModeReplace, strlen(ctx), ctx, FALSE); - if (rc != Success) - FatalError("SELinux: Failed to set label property on window!\n"); - freecon(ctx); - } else - FatalError("SELinux: Unexpected unlabeled client found\n"); - - obj = dixLookupPrivate(&pWin->devPrivates, objectKey); - - if (obj->sid) { - security_context_t ctx; - int rc = avc_sid_to_context_raw(obj->sid, &ctx); - if (rc < 0) - FatalError("SELinux: Failed to get security context!\n"); - rc = dixChangeWindowProperty(serverClient, - pWin, atom_ctx, XA_STRING, 8, - PropModeReplace, strlen(ctx), ctx, FALSE); - if (rc != Success) - FatalError("SELinux: Failed to set label property on window!\n"); - freecon(ctx); - } else - FatalError("SELinux: Unexpected unlabeled window found\n"); -} - - -static int netlink_fd; - -static void -SELinuxBlockHandler(void *data, struct timeval **tv, void *read_mask) -{ -} - -static void -SELinuxWakeupHandler(void *data, int err, void *read_mask) -{ - if (FD_ISSET(netlink_fd, (fd_set *)read_mask)) - avc_netlink_check_nb(); -} - -void -SELinuxFlaskReset(void) -{ - /* Unregister callbacks */ - DeleteCallback(&ClientStateCallback, SELinuxClientState, NULL); - DeleteCallback(&ResourceStateCallback, SELinuxResourceState, NULL); - - XaceDeleteCallback(XACE_EXT_DISPATCH, SELinuxExtension, NULL); - XaceDeleteCallback(XACE_RESOURCE_ACCESS, SELinuxResource, NULL); - XaceDeleteCallback(XACE_DEVICE_ACCESS, SELinuxDevice, NULL); - XaceDeleteCallback(XACE_PROPERTY_ACCESS, SELinuxProperty, NULL); - XaceDeleteCallback(XACE_SEND_ACCESS, SELinuxSend, NULL); - XaceDeleteCallback(XACE_RECEIVE_ACCESS, SELinuxReceive, NULL); - XaceDeleteCallback(XACE_CLIENT_ACCESS, SELinuxClient, NULL); - XaceDeleteCallback(XACE_EXT_ACCESS, SELinuxExtension, NULL); - XaceDeleteCallback(XACE_SERVER_ACCESS, SELinuxServer, NULL); - XaceDeleteCallback(XACE_SELECTION_ACCESS, SELinuxSelection, NULL); - XaceDeleteCallback(XACE_SCREEN_ACCESS, SELinuxScreen, NULL); - XaceDeleteCallback(XACE_SCREENSAVER_ACCESS, SELinuxScreen, truep); - - /* Tear down SELinux stuff */ - audit_close(audit_fd); - avc_netlink_release_fd(); - RemoveBlockAndWakeupHandlers(SELinuxBlockHandler, SELinuxWakeupHandler, - NULL); - RemoveGeneralSocket(netlink_fd); - - avc_destroy(); -} - -void -SELinuxFlaskInit(void) -{ - struct selinux_opt avc_option = { AVC_OPT_SETENFORCE, (char *)0 }; - security_context_t ctx; - int ret = TRUE; - - switch(selinuxEnforcingState) { - case SELINUX_MODE_ENFORCING: - LogMessage(X_INFO, "SELinux: Configured in enforcing mode\n"); - avc_option.value = (char *)1; - break; - case SELINUX_MODE_PERMISSIVE: - LogMessage(X_INFO, "SELinux: Configured in permissive mode\n"); - avc_option.value = (char *)0; - break; - default: - avc_option.type = AVC_OPT_UNUSED; - break; - } - - /* Set up SELinux stuff */ - selinux_set_callback(SELINUX_CB_LOG, (union selinux_callback)SELinuxLog); - selinux_set_callback(SELINUX_CB_AUDIT, (union selinux_callback)SELinuxAudit); - - if (selinux_set_mapping(map) < 0) { - if (errno == EINVAL) { - ErrorF("SELinux: Invalid object class mapping, disabling SELinux support.\n"); - return; - } - FatalError("SELinux: Failed to set up security class mapping\n"); - } - - if (avc_open(&avc_option, 1) < 0) - FatalError("SELinux: Couldn't initialize SELinux userspace AVC\n"); - - if (security_get_initial_context_raw("unlabeled", &ctx) < 0) - FatalError("SELinux: Failed to look up unlabeled context\n"); - if (avc_context_to_sid_raw(ctx, &unlabeled_sid) < 0) - FatalError("SELinux: a context_to_SID call failed!\n"); - freecon(ctx); - - /* Prepare for auditing */ - audit_fd = audit_open(); - if (audit_fd < 0) - FatalError("SELinux: Failed to open the system audit log\n"); - - /* Allocate private storage */ - if (!dixRegisterPrivateKey(subjectKey, PRIVATE_XSELINUX, sizeof(SELinuxSubjectRec)) || - !dixRegisterPrivateKey(objectKey, PRIVATE_XSELINUX, sizeof(SELinuxObjectRec)) || - !dixRegisterPrivateKey(dataKey, PRIVATE_XSELINUX, sizeof(SELinuxObjectRec))) - FatalError("SELinux: Failed to allocate private storage.\n"); - - /* Create atoms for doing window labeling */ - atom_ctx = MakeAtom("_SELINUX_CONTEXT", 16, TRUE); - if (atom_ctx == BAD_RESOURCE) - FatalError("SELinux: Failed to create atom\n"); - atom_client_ctx = MakeAtom("_SELINUX_CLIENT_CONTEXT", 23, TRUE); - if (atom_client_ctx == BAD_RESOURCE) - FatalError("SELinux: Failed to create atom\n"); - - netlink_fd = avc_netlink_acquire_fd(); - AddGeneralSocket(netlink_fd); - RegisterBlockAndWakeupHandlers(SELinuxBlockHandler, SELinuxWakeupHandler, - NULL); - - /* Register callbacks */ - ret &= AddCallback(&ClientStateCallback, SELinuxClientState, NULL); - ret &= AddCallback(&ResourceStateCallback, SELinuxResourceState, NULL); - - ret &= XaceRegisterCallback(XACE_EXT_DISPATCH, SELinuxExtension, NULL); - ret &= XaceRegisterCallback(XACE_RESOURCE_ACCESS, SELinuxResource, NULL); - ret &= XaceRegisterCallback(XACE_DEVICE_ACCESS, SELinuxDevice, NULL); - ret &= XaceRegisterCallback(XACE_PROPERTY_ACCESS, SELinuxProperty, NULL); - ret &= XaceRegisterCallback(XACE_SEND_ACCESS, SELinuxSend, NULL); - ret &= XaceRegisterCallback(XACE_RECEIVE_ACCESS, SELinuxReceive, NULL); - ret &= XaceRegisterCallback(XACE_CLIENT_ACCESS, SELinuxClient, NULL); - ret &= XaceRegisterCallback(XACE_EXT_ACCESS, SELinuxExtension, NULL); - ret &= XaceRegisterCallback(XACE_SERVER_ACCESS, SELinuxServer, NULL); - ret &= XaceRegisterCallback(XACE_SELECTION_ACCESS, SELinuxSelection, NULL); - ret &= XaceRegisterCallback(XACE_SCREEN_ACCESS, SELinuxScreen, NULL); - ret &= XaceRegisterCallback(XACE_SCREENSAVER_ACCESS, SELinuxScreen, truep); - if (!ret) - FatalError("SELinux: Failed to register one or more callbacks\n"); - - /* Label objects that were created before we could register ourself */ - SELinuxLabelInitial(); -} +/************************************************************ + +Author: Eamon Walsh + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +this permission notice appear in supporting documentation. This permission +notice shall be included in all copies or substantial portions of the +Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +********************************************************/ + +/* + * Portions of this code copyright (c) 2005 by Trusted Computer Solutions, Inc. + * All rights reserved. + */ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include +#include +#include + +#include + +#include +#include "selection.h" +#include "inputstr.h" +#include "scrnintstr.h" +#include "windowstr.h" +#include "propertyst.h" +#include "extnsionst.h" +#include "xacestr.h" +#include "client.h" +#include "../os/osdep.h" +#define _XSELINUX_NEED_FLASK_MAP +#include "xselinuxint.h" + + +/* structure passed to auditing callback */ +typedef struct { + ClientPtr client; /* client */ + DeviceIntPtr dev; /* device */ + char *command; /* client's executable path */ + unsigned id; /* resource id, if any */ + int restype; /* resource type, if any */ + int event; /* event type, if any */ + Atom property; /* property name, if any */ + Atom selection; /* selection name, if any */ + char *extension; /* extension name, if any */ +} SELinuxAuditRec; + +/* private state keys */ +DevPrivateKeyRec subjectKeyRec; +DevPrivateKeyRec objectKeyRec; +DevPrivateKeyRec dataKeyRec; + +/* audit file descriptor */ +static int audit_fd; + +/* atoms for window label properties */ +static Atom atom_ctx; +static Atom atom_client_ctx; + +/* The unlabeled SID */ +static security_id_t unlabeled_sid; + +/* forward declarations */ +static void SELinuxScreen(CallbackListPtr *, pointer, pointer); + +/* "true" pointer value for use as callback data */ +static pointer truep = (pointer)1; + + +/* + * Performs an SELinux permission check. + */ +static int +SELinuxDoCheck(SELinuxSubjectRec *subj, SELinuxObjectRec *obj, + security_class_t class, Mask mode, SELinuxAuditRec *auditdata) +{ + /* serverClient requests OK */ + if (subj->privileged) + return Success; + + auditdata->command = subj->command; + errno = 0; + + if (avc_has_perm(subj->sid, obj->sid, class, mode, &subj->aeref, + auditdata) < 0) { + if (mode == DixUnknownAccess) + return Success; /* DixUnknownAccess requests OK ... for now */ + if (errno == EACCES) + return BadAccess; + ErrorF("SELinux: avc_has_perm: unexpected error %d\n", errno); + return BadValue; + } + + return Success; +} + +/* + * Labels a newly connected client. + */ +static void +SELinuxLabelClient(ClientPtr client) +{ + int fd = XaceGetConnectionNumber(client); + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + security_context_t ctx; + + subj = dixLookupPrivate(&client->devPrivates, subjectKey); + obj = dixLookupPrivate(&client->devPrivates, objectKey); + + /* Try to get a context from the socket */ + if (fd < 0 || getpeercon_raw(fd, &ctx) < 0) { + /* Otherwise, fall back to a default context */ + ctx = SELinuxDefaultClientLabel(); + } + + /* For local clients, try and determine the executable name */ + if (XaceIsLocal(client)) { + /* Get cached command name if CLIENTIDS is enabled. */ + const char *cmdname = GetClientCmdName(client); + Bool cached = (cmdname != NULL); + /* If CLIENTIDS is disabled, figure out the command name from + * scratch. */ + if (!cmdname) + { + pid_t pid = DetermineClientPid(client); + if (pid != -1) + DetermineClientCmd(pid, &cmdname, NULL); + } + + if (!cmdname) + goto finish; + + strncpy(subj->command, cmdname, COMMAND_LEN - 1); + + if (!cached) + free((void *) cmdname); /* const char * */ + } + +finish: + /* Get a SID from the context */ + if (avc_context_to_sid_raw(ctx, &subj->sid) < 0) + FatalError("SELinux: client %d: context_to_sid_raw(%s) failed\n", + client->index, ctx); + + obj->sid = subj->sid; + freecon(ctx); +} + +/* + * Labels initial server objects. + */ +static void +SELinuxLabelInitial(void) +{ + int i; + XaceScreenAccessRec srec; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + security_context_t ctx; + pointer unused; + + /* Do the serverClient */ + subj = dixLookupPrivate(&serverClient->devPrivates, subjectKey); + obj = dixLookupPrivate(&serverClient->devPrivates, objectKey); + subj->privileged = 1; + + /* Use the context of the X server process for the serverClient */ + if (getcon_raw(&ctx) < 0) + FatalError("SELinux: couldn't get context of X server process\n"); + + /* Get a SID from the context */ + if (avc_context_to_sid_raw(ctx, &subj->sid) < 0) + FatalError("SELinux: serverClient: context_to_sid(%s) failed\n", ctx); + + obj->sid = subj->sid; + freecon(ctx); + + srec.client = serverClient; + srec.access_mode = DixCreateAccess; + srec.status = Success; + + for (i = 0; i < screenInfo.numScreens; i++) { + /* Do the screen object */ + srec.screen = screenInfo.screens[i]; + SELinuxScreen(NULL, NULL, &srec); + + /* Do the default colormap */ + dixLookupResourceByType(&unused, screenInfo.screens[i]->defColormap, + RT_COLORMAP, serverClient, DixCreateAccess); + } +} + +/* + * Labels new resource objects. + */ +static int +SELinuxLabelResource(XaceResourceAccessRec *rec, SELinuxSubjectRec *subj, + SELinuxObjectRec *obj, security_class_t class) +{ + int offset; + security_id_t tsid; + + /* Check for a create context */ + if (rec->rtype & RC_DRAWABLE && subj->win_create_sid) { + obj->sid = subj->win_create_sid; + return Success; + } + + if (rec->parent) + offset = dixLookupPrivateOffset(rec->ptype); + + if (rec->parent && offset >= 0) { + /* Use the SID of the parent object in the labeling operation */ + PrivateRec **privatePtr = DEVPRIV_AT(rec->parent, offset); + SELinuxObjectRec *pobj = dixLookupPrivate(privatePtr, objectKey); + tsid = pobj->sid; + } else { + /* Use the SID of the subject */ + tsid = subj->sid; + } + + /* Perform a transition to obtain the final SID */ + if (avc_compute_create(subj->sid, tsid, class, &obj->sid) < 0) { + ErrorF("SELinux: a compute_create call failed!\n"); + return BadValue; + } + + return Success; +} + + +/* + * Libselinux Callbacks + */ + +static int +SELinuxAudit(void *auditdata, + security_class_t class, + char *msgbuf, + size_t msgbufsize) +{ + SELinuxAuditRec *audit = auditdata; + ClientPtr client = audit->client; + char idNum[16]; + const char *propertyName, *selectionName; + int major = -1, minor = -1; + + if (client) { + REQUEST(xReq); + if (stuff) { + major = stuff->reqType; + minor = MinorOpcodeOfRequest(client); + } + } + if (audit->id) + snprintf(idNum, 16, "%x", audit->id); + + propertyName = audit->property ? NameForAtom(audit->property) : NULL; + selectionName = audit->selection ? NameForAtom(audit->selection) : NULL; + + return snprintf(msgbuf, msgbufsize, + "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s", + (major >= 0) ? "request=" : "", + (major >= 0) ? LookupRequestName(major, minor) : "", + audit->command ? " comm=" : "", + audit->command ? audit->command : "", + audit->dev ? " xdevice=\"" : "", + audit->dev ? audit->dev->name : "", + audit->dev ? "\"" : "", + audit->id ? " resid=" : "", + audit->id ? idNum : "", + audit->restype ? " restype=" : "", + audit->restype ? LookupResourceName(audit->restype) : "", + audit->event ? " event=" : "", + audit->event ? LookupEventName(audit->event & 127) : "", + audit->property ? " property=" : "", + audit->property ? propertyName : "", + audit->selection ? " selection=" : "", + audit->selection ? selectionName : "", + audit->extension ? " extension=" : "", + audit->extension ? audit->extension : ""); +} + +static int +SELinuxLog(int type, const char *fmt, ...) +{ + va_list ap; + char buf[MAX_AUDIT_MESSAGE_LENGTH]; + int rc, aut; + + switch (type) { + case SELINUX_INFO: + aut = AUDIT_USER_MAC_POLICY_LOAD; + break; + case SELINUX_AVC: + aut = AUDIT_USER_AVC; + break; + default: + aut = AUDIT_USER_SELINUX_ERR; + break; + } + + va_start(ap, fmt); + vsnprintf(buf, MAX_AUDIT_MESSAGE_LENGTH, fmt, ap); + rc = audit_log_user_avc_message(audit_fd, aut, buf, NULL, NULL, NULL, 0); + va_end(ap); + LogMessageVerb(X_WARNING, 0, "%s", buf); + return 0; +} + +/* + * XACE Callbacks + */ + +static void +SELinuxDevice(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceDeviceAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + SELinuxAuditRec auditdata = { .client = rec->client, .dev = rec->dev }; + security_class_t cls; + int rc; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&rec->dev->devPrivates, objectKey); + + /* If this is a new object that needs labeling, do it now */ + if (rec->access_mode & DixCreateAccess) { + SELinuxSubjectRec *dsubj; + dsubj = dixLookupPrivate(&rec->dev->devPrivates, subjectKey); + + if (subj->dev_create_sid) { + /* Label the device with the create context */ + obj->sid = subj->dev_create_sid; + dsubj->sid = subj->dev_create_sid; + } else { + /* Label the device directly with the process SID */ + obj->sid = subj->sid; + dsubj->sid = subj->sid; + } + } + + cls = IsPointerDevice(rec->dev) ? SECCLASS_X_POINTER : SECCLASS_X_KEYBOARD; + rc = SELinuxDoCheck(subj, obj, cls, rec->access_mode, &auditdata); + if (rc != Success) + rec->status = rc; +} + +static void +SELinuxSend(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceSendAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj, ev_sid; + SELinuxAuditRec auditdata = { .client = rec->client, .dev = rec->dev }; + security_class_t class; + int rc, i, type; + + if (rec->dev) + subj = dixLookupPrivate(&rec->dev->devPrivates, subjectKey); + else + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + + obj = dixLookupPrivate(&rec->pWin->devPrivates, objectKey); + + /* Check send permission on window */ + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_DRAWABLE, DixSendAccess, + &auditdata); + if (rc != Success) + goto err; + + /* Check send permission on specific event types */ + for (i = 0; i < rec->count; i++) { + type = rec->events[i].u.u.type; + class = (type & 128) ? SECCLASS_X_FAKEEVENT : SECCLASS_X_EVENT; + + rc = SELinuxEventToSID(type, obj->sid, &ev_sid); + if (rc != Success) + goto err; + + auditdata.event = type; + rc = SELinuxDoCheck(subj, &ev_sid, class, DixSendAccess, &auditdata); + if (rc != Success) + goto err; + } + return; +err: + rec->status = rc; +} + +static void +SELinuxReceive(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceReceiveAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj, ev_sid; + SELinuxAuditRec auditdata = { .client = NULL }; + security_class_t class; + int rc, i, type; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&rec->pWin->devPrivates, objectKey); + + /* Check receive permission on window */ + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_DRAWABLE, DixReceiveAccess, + &auditdata); + if (rc != Success) + goto err; + + /* Check receive permission on specific event types */ + for (i = 0; i < rec->count; i++) { + type = rec->events[i].u.u.type; + class = (type & 128) ? SECCLASS_X_FAKEEVENT : SECCLASS_X_EVENT; + + rc = SELinuxEventToSID(type, obj->sid, &ev_sid); + if (rc != Success) + goto err; + + auditdata.event = type; + rc = SELinuxDoCheck(subj, &ev_sid, class, DixReceiveAccess, &auditdata); + if (rc != Success) + goto err; + } + return; +err: + rec->status = rc; +} + +static void +SELinuxExtension(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceExtAccessRec *rec = calldata; + SELinuxSubjectRec *subj, *serv; + SELinuxObjectRec *obj; + SELinuxAuditRec auditdata = { .client = rec->client }; + int rc; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&rec->ext->devPrivates, objectKey); + + /* If this is a new object that needs labeling, do it now */ + /* XXX there should be a separate callback for this */ + if (obj->sid == NULL) { + security_id_t sid; + + serv = dixLookupPrivate(&serverClient->devPrivates, subjectKey); + rc = SELinuxExtensionToSID(rec->ext->name, &sid); + if (rc != Success) { + rec->status = rc; + return; + } + + /* Perform a transition to obtain the final SID */ + if (avc_compute_create(serv->sid, sid, SECCLASS_X_EXTENSION, + &obj->sid) < 0) { + ErrorF("SELinux: a SID transition call failed!\n"); + rec->status = BadValue; + return; + } + } + + /* Perform the security check */ + auditdata.extension = rec->ext->name; + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_EXTENSION, rec->access_mode, + &auditdata); + if (rc != Success) + rec->status = rc; +} + +static void +SELinuxSelection(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceSelectionAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj, *data; + Selection *pSel = *rec->ppSel; + Atom name = pSel->selection; + Mask access_mode = rec->access_mode; + SELinuxAuditRec auditdata = { .client = rec->client, .selection = name }; + security_id_t tsid; + int rc; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&pSel->devPrivates, objectKey); + + /* If this is a new object that needs labeling, do it now */ + if (access_mode & DixCreateAccess) { + rc = SELinuxSelectionToSID(name, subj, &obj->sid, &obj->poly); + if (rc != Success) + obj->sid = unlabeled_sid; + access_mode = DixSetAttrAccess; + } + /* If this is a polyinstantiated object, find the right instance */ + else if (obj->poly) { + rc = SELinuxSelectionToSID(name, subj, &tsid, NULL); + if (rc != Success) { + rec->status = rc; + return; + } + while (pSel->selection != name || obj->sid != tsid) { + if ((pSel = pSel->next) == NULL) + break; + obj = dixLookupPrivate(&pSel->devPrivates, objectKey); + } + + if (pSel) + *rec->ppSel = pSel; + else { + rec->status = BadMatch; + return; + } + } + + /* Perform the security check */ + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_SELECTION, access_mode, + &auditdata); + if (rc != Success) + rec->status = rc; + + /* Label the content (advisory only) */ + if (access_mode & DixSetAttrAccess) { + data = dixLookupPrivate(&pSel->devPrivates, dataKey); + if (subj->sel_create_sid) + data->sid = subj->sel_create_sid; + else + data->sid = obj->sid; + } +} + +static void +SELinuxProperty(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XacePropertyAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj, *data; + PropertyPtr pProp = *rec->ppProp; + Atom name = pProp->propertyName; + SELinuxAuditRec auditdata = { .client = rec->client, .property = name }; + security_id_t tsid; + int rc; + + /* Don't care about the new content check */ + if (rec->access_mode & DixPostAccess) + return; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&pProp->devPrivates, objectKey); + + /* If this is a new object that needs labeling, do it now */ + if (rec->access_mode & DixCreateAccess) { + rc = SELinuxPropertyToSID(name, subj, &obj->sid, &obj->poly); + if (rc != Success) { + rec->status = rc; + return; + } + } + /* If this is a polyinstantiated object, find the right instance */ + else if (obj->poly) { + rc = SELinuxPropertyToSID(name, subj, &tsid, NULL); + if (rc != Success) { + rec->status = rc; + return; + } + while (pProp->propertyName != name || obj->sid != tsid) { + if ((pProp = pProp->next) == NULL) + break; + obj = dixLookupPrivate(&pProp->devPrivates, objectKey); + } + + if (pProp) + *rec->ppProp = pProp; + else { + rec->status = BadMatch; + return; + } + } + + /* Perform the security check */ + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_PROPERTY, rec->access_mode, + &auditdata); + if (rc != Success) + rec->status = rc; + + /* Label the content (advisory only) */ + if (rec->access_mode & DixWriteAccess) { + data = dixLookupPrivate(&pProp->devPrivates, dataKey); + if (subj->prp_create_sid) + data->sid = subj->prp_create_sid; + else + data->sid = obj->sid; + } +} + +static void +SELinuxResource(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceResourceAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + SELinuxAuditRec auditdata = { .client = rec->client }; + Mask access_mode = rec->access_mode; + PrivateRec **privatePtr; + security_class_t class; + int rc, offset; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + + /* Determine if the resource object has a devPrivates field */ + offset = dixLookupPrivateOffset(rec->rtype); + if (offset < 0) { + /* No: use the SID of the owning client */ + class = SECCLASS_X_RESOURCE; + privatePtr = &clients[CLIENT_ID(rec->id)]->devPrivates; + obj = dixLookupPrivate(privatePtr, objectKey); + } else { + /* Yes: use the SID from the resource object itself */ + class = SELinuxTypeToClass(rec->rtype); + privatePtr = DEVPRIV_AT(rec->res, offset); + obj = dixLookupPrivate(privatePtr, objectKey); + } + + /* If this is a new object that needs labeling, do it now */ + if (access_mode & DixCreateAccess && offset >= 0) { + rc = SELinuxLabelResource(rec, subj, obj, class); + if (rc != Success) { + rec->status = rc; + return; + } + } + + /* Collapse generic resource permissions down to read/write */ + if (class == SECCLASS_X_RESOURCE) { + access_mode = !!(rec->access_mode & SELinuxReadMask); /* rd */ + access_mode |= !!(rec->access_mode & ~SELinuxReadMask) << 1; /* wr */ + } + + /* Perform the security check */ + auditdata.restype = rec->rtype; + auditdata.id = rec->id; + rc = SELinuxDoCheck(subj, obj, class, access_mode, &auditdata); + if (rc != Success) + rec->status = rc; + + /* Perform the background none check on windows */ + if (access_mode & DixCreateAccess && rec->rtype == RT_WINDOW) { + rc = SELinuxDoCheck(subj, obj, class, DixBlendAccess, &auditdata); + if (rc != Success) + ((WindowPtr)rec->res)->forcedBG = TRUE; + } +} + +static void +SELinuxScreen(CallbackListPtr *pcbl, pointer is_saver, pointer calldata) +{ + XaceScreenAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + SELinuxAuditRec auditdata = { .client = rec->client }; + Mask access_mode = rec->access_mode; + int rc; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&rec->screen->devPrivates, objectKey); + + /* If this is a new object that needs labeling, do it now */ + if (access_mode & DixCreateAccess) { + /* Perform a transition to obtain the final SID */ + if (avc_compute_create(subj->sid, subj->sid, SECCLASS_X_SCREEN, + &obj->sid) < 0) { + ErrorF("SELinux: a compute_create call failed!\n"); + rec->status = BadValue; + return; + } + } + + if (is_saver) + access_mode <<= 2; + + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_SCREEN, access_mode, &auditdata); + if (rc != Success) + rec->status = rc; +} + +static void +SELinuxClient(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceClientAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + SELinuxAuditRec auditdata = { .client = rec->client }; + int rc; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&rec->target->devPrivates, objectKey); + + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_CLIENT, rec->access_mode, + &auditdata); + if (rc != Success) + rec->status = rc; +} + +static void +SELinuxServer(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + XaceServerAccessRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + SELinuxAuditRec auditdata = { .client = rec->client }; + int rc; + + subj = dixLookupPrivate(&rec->client->devPrivates, subjectKey); + obj = dixLookupPrivate(&serverClient->devPrivates, objectKey); + + rc = SELinuxDoCheck(subj, obj, SECCLASS_X_SERVER, rec->access_mode, + &auditdata); + if (rc != Success) + rec->status = rc; +} + + +/* + * DIX Callbacks + */ + +static void +SELinuxClientState(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + NewClientInfoRec *pci = calldata; + + switch (pci->client->clientState) { + case ClientStateInitial: + SELinuxLabelClient(pci->client); + break; + + default: + break; + } +} + +static void +SELinuxResourceState(CallbackListPtr *pcbl, pointer unused, pointer calldata) +{ + ResourceStateInfoRec *rec = calldata; + SELinuxSubjectRec *subj; + SELinuxObjectRec *obj; + WindowPtr pWin; + + if (rec->type != RT_WINDOW) + return; + if (rec->state != ResourceStateAdding) + return; + + pWin = (WindowPtr)rec->value; + subj = dixLookupPrivate(&wClient(pWin)->devPrivates, subjectKey); + + if (subj->sid) { + security_context_t ctx; + int rc = avc_sid_to_context_raw(subj->sid, &ctx); + if (rc < 0) + FatalError("SELinux: Failed to get security context!\n"); + rc = dixChangeWindowProperty(serverClient, + pWin, atom_client_ctx, XA_STRING, 8, + PropModeReplace, strlen(ctx), ctx, FALSE); + if (rc != Success) + FatalError("SELinux: Failed to set label property on window!\n"); + freecon(ctx); + } else + FatalError("SELinux: Unexpected unlabeled client found\n"); + + obj = dixLookupPrivate(&pWin->devPrivates, objectKey); + + if (obj->sid) { + security_context_t ctx; + int rc = avc_sid_to_context_raw(obj->sid, &ctx); + if (rc < 0) + FatalError("SELinux: Failed to get security context!\n"); + rc = dixChangeWindowProperty(serverClient, + pWin, atom_ctx, XA_STRING, 8, + PropModeReplace, strlen(ctx), ctx, FALSE); + if (rc != Success) + FatalError("SELinux: Failed to set label property on window!\n"); + freecon(ctx); + } else + FatalError("SELinux: Unexpected unlabeled window found\n"); +} + + +static int netlink_fd; + +static void +SELinuxBlockHandler(void *data, struct timeval **tv, void *read_mask) +{ +} + +static void +SELinuxWakeupHandler(void *data, int err, void *read_mask) +{ + if (FD_ISSET(netlink_fd, (fd_set *)read_mask)) + avc_netlink_check_nb(); +} + +void +SELinuxFlaskReset(void) +{ + /* Unregister callbacks */ + DeleteCallback(&ClientStateCallback, SELinuxClientState, NULL); + DeleteCallback(&ResourceStateCallback, SELinuxResourceState, NULL); + + XaceDeleteCallback(XACE_EXT_DISPATCH, SELinuxExtension, NULL); + XaceDeleteCallback(XACE_RESOURCE_ACCESS, SELinuxResource, NULL); + XaceDeleteCallback(XACE_DEVICE_ACCESS, SELinuxDevice, NULL); + XaceDeleteCallback(XACE_PROPERTY_ACCESS, SELinuxProperty, NULL); + XaceDeleteCallback(XACE_SEND_ACCESS, SELinuxSend, NULL); + XaceDeleteCallback(XACE_RECEIVE_ACCESS, SELinuxReceive, NULL); + XaceDeleteCallback(XACE_CLIENT_ACCESS, SELinuxClient, NULL); + XaceDeleteCallback(XACE_EXT_ACCESS, SELinuxExtension, NULL); + XaceDeleteCallback(XACE_SERVER_ACCESS, SELinuxServer, NULL); + XaceDeleteCallback(XACE_SELECTION_ACCESS, SELinuxSelection, NULL); + XaceDeleteCallback(XACE_SCREEN_ACCESS, SELinuxScreen, NULL); + XaceDeleteCallback(XACE_SCREENSAVER_ACCESS, SELinuxScreen, truep); + + /* Tear down SELinux stuff */ + audit_close(audit_fd); + avc_netlink_release_fd(); + RemoveBlockAndWakeupHandlers(SELinuxBlockHandler, SELinuxWakeupHandler, + NULL); + RemoveGeneralSocket(netlink_fd); + + avc_destroy(); +} + +void +SELinuxFlaskInit(void) +{ + struct selinux_opt avc_option = { AVC_OPT_SETENFORCE, (char *)0 }; + security_context_t ctx; + int ret = TRUE; + + switch(selinuxEnforcingState) { + case SELINUX_MODE_ENFORCING: + LogMessage(X_INFO, "SELinux: Configured in enforcing mode\n"); + avc_option.value = (char *)1; + break; + case SELINUX_MODE_PERMISSIVE: + LogMessage(X_INFO, "SELinux: Configured in permissive mode\n"); + avc_option.value = (char *)0; + break; + default: + avc_option.type = AVC_OPT_UNUSED; + break; + } + + /* Set up SELinux stuff */ + selinux_set_callback(SELINUX_CB_LOG, (union selinux_callback)SELinuxLog); + selinux_set_callback(SELINUX_CB_AUDIT, (union selinux_callback)SELinuxAudit); + + if (selinux_set_mapping(map) < 0) { + if (errno == EINVAL) { + ErrorF("SELinux: Invalid object class mapping, disabling SELinux support.\n"); + return; + } + FatalError("SELinux: Failed to set up security class mapping\n"); + } + + if (avc_open(&avc_option, 1) < 0) + FatalError("SELinux: Couldn't initialize SELinux userspace AVC\n"); + + if (security_get_initial_context_raw("unlabeled", &ctx) < 0) + FatalError("SELinux: Failed to look up unlabeled context\n"); + if (avc_context_to_sid_raw(ctx, &unlabeled_sid) < 0) + FatalError("SELinux: a context_to_SID call failed!\n"); + freecon(ctx); + + /* Prepare for auditing */ + audit_fd = audit_open(); + if (audit_fd < 0) + FatalError("SELinux: Failed to open the system audit log\n"); + + /* Allocate private storage */ + if (!dixRegisterPrivateKey(subjectKey, PRIVATE_XSELINUX, sizeof(SELinuxSubjectRec)) || + !dixRegisterPrivateKey(objectKey, PRIVATE_XSELINUX, sizeof(SELinuxObjectRec)) || + !dixRegisterPrivateKey(dataKey, PRIVATE_XSELINUX, sizeof(SELinuxObjectRec))) + FatalError("SELinux: Failed to allocate private storage.\n"); + + /* Create atoms for doing window labeling */ + atom_ctx = MakeAtom("_SELINUX_CONTEXT", 16, TRUE); + if (atom_ctx == BAD_RESOURCE) + FatalError("SELinux: Failed to create atom\n"); + atom_client_ctx = MakeAtom("_SELINUX_CLIENT_CONTEXT", 23, TRUE); + if (atom_client_ctx == BAD_RESOURCE) + FatalError("SELinux: Failed to create atom\n"); + + netlink_fd = avc_netlink_acquire_fd(); + AddGeneralSocket(netlink_fd); + RegisterBlockAndWakeupHandlers(SELinuxBlockHandler, SELinuxWakeupHandler, + NULL); + + /* Register callbacks */ + ret &= AddCallback(&ClientStateCallback, SELinuxClientState, NULL); + ret &= AddCallback(&ResourceStateCallback, SELinuxResourceState, NULL); + + ret &= XaceRegisterCallback(XACE_EXT_DISPATCH, SELinuxExtension, NULL); + ret &= XaceRegisterCallback(XACE_RESOURCE_ACCESS, SELinuxResource, NULL); + ret &= XaceRegisterCallback(XACE_DEVICE_ACCESS, SELinuxDevice, NULL); + ret &= XaceRegisterCallback(XACE_PROPERTY_ACCESS, SELinuxProperty, NULL); + ret &= XaceRegisterCallback(XACE_SEND_ACCESS, SELinuxSend, NULL); + ret &= XaceRegisterCallback(XACE_RECEIVE_ACCESS, SELinuxReceive, NULL); + ret &= XaceRegisterCallback(XACE_CLIENT_ACCESS, SELinuxClient, NULL); + ret &= XaceRegisterCallback(XACE_EXT_ACCESS, SELinuxExtension, NULL); + ret &= XaceRegisterCallback(XACE_SERVER_ACCESS, SELinuxServer, NULL); + ret &= XaceRegisterCallback(XACE_SELECTION_ACCESS, SELinuxSelection, NULL); + ret &= XaceRegisterCallback(XACE_SCREEN_ACCESS, SELinuxScreen, NULL); + ret &= XaceRegisterCallback(XACE_SCREENSAVER_ACCESS, SELinuxScreen, truep); + if (!ret) + FatalError("SELinux: Failed to register one or more callbacks\n"); + + /* Label objects that were created before we could register ourself */ + SELinuxLabelInitial(); +} diff --git a/xorg-server/Xext/xtest.c b/xorg-server/Xext/xtest.c index 6cd215d31..cc675c116 100644 --- a/xorg-server/Xext/xtest.c +++ b/xorg-server/Xext/xtest.c @@ -1,697 +1,697 @@ -/* - - Copyright 1992, 1998 The Open Group - - 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. - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR - OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - OTHER DEALINGS IN THE SOFTWARE. - - Except as contained in this notice, the name of The Open Group shall - not be used in advertising or otherwise to promote the sale, use or - other dealings in this Software without prior written authorization - from The Open Group. - - */ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include -#include -#include -#include "misc.h" -#include "os.h" -#include "dixstruct.h" -#include "extnsionst.h" -#include "windowstr.h" -#include "inputstr.h" -#include "scrnintstr.h" -#include "dixevents.h" -#include "sleepuntil.h" -#include "mi.h" -#include "xkbsrv.h" -#include "xkbstr.h" -#include -#include -#include -#include "exglobals.h" -#include "mipointer.h" -#include "xserver-properties.h" -#include "exevents.h" -#include "eventstr.h" -#include "inpututils.h" - -#include "modinit.h" - -extern int DeviceValuator; - -/* XTest events are sent during request processing and may be interruped by - * a SIGIO. We need a separate event list to avoid events overwriting each - * other's memory */ -static InternalEvent* xtest_evlist; - -/** - * xtestpointer - * is the virtual pointer for XTest. It is the first slave - * device of the VCP. - * xtestkeyboard - * is the virtual keyboard for XTest. It is the first slave - * device of the VCK - * - * Neither of these devices can be deleted. - */ -DeviceIntPtr xtestpointer, xtestkeyboard; - -#ifdef PANORAMIX -#include "panoramiX.h" -#include "panoramiXsrv.h" -#endif - -static int XTestSwapFakeInput( - ClientPtr /* client */, - xReq * /* req */ - ); - - -static int -ProcXTestGetVersion(ClientPtr client) -{ - xXTestGetVersionReply rep; - int n; - - REQUEST_SIZE_MATCH(xXTestGetVersionReq); - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.majorVersion = XTestMajorVersion; - rep.minorVersion = XTestMinorVersion; - if (client->swapped) { - swaps(&rep.sequenceNumber, n); - swaps(&rep.minorVersion, n); - } - WriteToClient(client, sizeof(xXTestGetVersionReply), (char *)&rep); - return Success; -} - -static int -ProcXTestCompareCursor(ClientPtr client) -{ - REQUEST(xXTestCompareCursorReq); - xXTestCompareCursorReply rep; - WindowPtr pWin; - CursorPtr pCursor; - int n, rc; - DeviceIntPtr ptr = PickPointer(client); - - REQUEST_SIZE_MATCH(xXTestCompareCursorReq); - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - if (stuff->cursor == None) - pCursor = NullCursor; - else if (stuff->cursor == XTestCurrentCursor) - pCursor = GetSpriteCursor(ptr); - else { - rc = dixLookupResourceByType((pointer *)&pCursor, stuff->cursor, RT_CURSOR, - client, DixReadAccess); - if (rc != Success) - { - client->errorValue = stuff->cursor; - return rc; - } - } - rep.type = X_Reply; - rep.length = 0; - rep.sequenceNumber = client->sequence; - rep.same = (wCursor(pWin) == pCursor); - if (client->swapped) { - swaps(&rep.sequenceNumber, n); - } - WriteToClient(client, sizeof(xXTestCompareCursorReply), (char *)&rep); - return Success; -} - -static int -ProcXTestFakeInput(ClientPtr client) -{ - REQUEST(xXTestFakeInputReq); - int nev, n, type, rc; - xEvent *ev; - DeviceIntPtr dev = NULL; - WindowPtr root; - Bool extension = FALSE; - deviceValuator *dv = NULL; - ValuatorMask mask; - int valuators[MAX_VALUATORS] = {0}; - int numValuators = 0; - int firstValuator = 0; - int nevents = 0; - int i; - int base = 0; - int flags = 0; - int need_ptr_update = 1; - - nev = (stuff->length << 2) - sizeof(xReq); - if ((nev % sizeof(xEvent)) || !nev) - return BadLength; - nev /= sizeof(xEvent); - UpdateCurrentTime(); - ev = (xEvent *)&((xReq *)stuff)[1]; - type = ev->u.u.type & 0177; - - if (type >= EXTENSION_EVENT_BASE) - { - extension = TRUE; - - /* check device */ - rc = dixLookupDevice(&dev, stuff->deviceid & 0177, client, - DixWriteAccess); - if (rc != Success) - { - client->errorValue = stuff->deviceid & 0177; - return rc; - } - - /* check type */ - type -= DeviceValuator; - switch (type) { - case XI_DeviceKeyPress: - case XI_DeviceKeyRelease: - if (!dev->key) - { - client->errorValue = ev->u.u.type; - return BadValue; - } - break; - case XI_DeviceButtonPress: - case XI_DeviceButtonRelease: - if (!dev->button) - { - client->errorValue = ev->u.u.type; - return BadValue; - } - break; - case XI_DeviceMotionNotify: - if (!dev->valuator) - { - client->errorValue = ev->u.u.type; - return BadValue; - } - break; - case XI_ProximityIn: - case XI_ProximityOut: - if (!dev->proximity) - { - client->errorValue = ev->u.u.type; - return BadValue; - } - break; - default: - client->errorValue = ev->u.u.type; - return BadValue; - } - - /* check validity */ - if (nev == 1 && type == XI_DeviceMotionNotify) - return BadLength; /* DevMotion must be followed by DevValuator */ - - if (type == XI_DeviceMotionNotify) - { - firstValuator = ((deviceValuator *)(ev+1))->first_valuator; - if (firstValuator > dev->valuator->numAxes) - { - client->errorValue = ev->u.u.type; - return BadValue; - } - - if (ev->u.u.detail == xFalse) - flags |= POINTER_ABSOLUTE; - } else - { - firstValuator = 0; - flags |= POINTER_ABSOLUTE; - } - - if (nev > 1 && !dev->valuator) - { - client->errorValue = dv->first_valuator; - return BadValue; - } - - - /* check validity of valuator events */ - base = firstValuator; - for (n = 1; n < nev; n++) - { - dv = (deviceValuator *)(ev + n); - if (dv->type != DeviceValuator) - { - client->errorValue = dv->type; - return BadValue; - } - if (dv->first_valuator != base) - { - client->errorValue = dv->first_valuator; - return BadValue; - } - switch(dv->num_valuators) - { - case 6: valuators[base + 5] = dv->valuator5; - case 5: valuators[base + 4] = dv->valuator4; - case 4: valuators[base + 3] = dv->valuator3; - case 3: valuators[base + 2] = dv->valuator2; - case 2: valuators[base + 1] = dv->valuator1; - case 1: valuators[base] = dv->valuator0; - break; - default: - client->errorValue = dv->num_valuators; - return BadValue; - } - - base += dv->num_valuators; - numValuators += dv->num_valuators; - - if (firstValuator + numValuators > dev->valuator->numAxes) - { - client->errorValue = dv->num_valuators; - return BadValue; - } - } - type = type - XI_DeviceKeyPress + KeyPress; - - } else - { - if (nev != 1) - return BadLength; - switch (type) - { - case KeyPress: - case KeyRelease: - dev = PickKeyboard(client); - break; - case ButtonPress: - case ButtonRelease: - dev = PickPointer(client); - break; - case MotionNotify: - dev = PickPointer(client); - valuators[0] = ev->u.keyButtonPointer.rootX; - valuators[1] = ev->u.keyButtonPointer.rootY; - numValuators = 2; - firstValuator = 0; - if (ev->u.u.detail == xFalse) - flags = POINTER_ABSOLUTE | POINTER_SCREEN; - break; - default: - client->errorValue = ev->u.u.type; - return BadValue; - } - - dev = GetXTestDevice(dev); - } - - /* If the event has a time set, wait for it to pass */ - if (ev->u.keyButtonPointer.time) - { - TimeStamp activateTime; - CARD32 ms; - - activateTime = currentTime; - ms = activateTime.milliseconds + ev->u.keyButtonPointer.time; - if (ms < activateTime.milliseconds) - activateTime.months++; - activateTime.milliseconds = ms; - ev->u.keyButtonPointer.time = 0; - - /* see mbuf.c:QueueDisplayRequest (from the deprecated Multibuffer - * extension) for code similar to this */ - - if (!ClientSleepUntil(client, &activateTime, NULL, NULL)) - { - return BadAlloc; - } - /* swap the request back so we can simply re-execute it */ - if (client->swapped) - { - (void) XTestSwapFakeInput(client, (xReq *)stuff); - swaps(&stuff->length, n); - } - ResetCurrentRequest (client); - client->sequence--; - return Success; - } - - switch (type) - { - case KeyPress: - case KeyRelease: - if (!dev->key) - return BadDevice; - - if (ev->u.u.detail < dev->key->xkbInfo->desc->min_key_code || - ev->u.u.detail > dev->key->xkbInfo->desc->max_key_code) - { - client->errorValue = ev->u.u.detail; - return BadValue; - } - - need_ptr_update = 0; - break; - case MotionNotify: - if (!dev->valuator) - return BadDevice; - - if (!(extension || ev->u.keyButtonPointer.root == None)) - { - rc = dixLookupWindow(&root, ev->u.keyButtonPointer.root, - client, DixGetAttrAccess); - if (rc != Success) - return rc; - if (root->parent) - { - client->errorValue = ev->u.keyButtonPointer.root; - return BadValue; - } - } - if (ev->u.u.detail != xTrue && ev->u.u.detail != xFalse) - { - client->errorValue = ev->u.u.detail; - return BadValue; - } - - /* FIXME: Xinerama! */ - - break; - case ButtonPress: - case ButtonRelease: - if (!dev->button) - return BadDevice; - - if (!ev->u.u.detail || ev->u.u.detail > dev->button->numButtons) - { - client->errorValue = ev->u.u.detail; - return BadValue; - } - break; - } - if (screenIsSaved == SCREEN_SAVER_ON) - dixSaveScreens(serverClient, SCREEN_SAVER_OFF, ScreenSaverReset); - - switch(type) { - case MotionNotify: - valuator_mask_set_range(&mask, firstValuator, numValuators, valuators); - nevents = GetPointerEvents(xtest_evlist, dev, type, 0, flags, &mask); - break; - case ButtonPress: - case ButtonRelease: - valuator_mask_set_range(&mask, firstValuator, numValuators, valuators); - nevents = GetPointerEvents(xtest_evlist, dev, type, ev->u.u.detail, - flags, &mask); - break; - case KeyPress: - case KeyRelease: - nevents = GetKeyboardEvents(xtest_evlist, dev, type, ev->u.u.detail, NULL); - break; - } - - for (i = 0; i < nevents; i++) - mieqProcessDeviceEvent(dev, &xtest_evlist[i], NULL); - - if (need_ptr_update) - miPointerUpdateSprite(dev); - return Success; -} - -static int -ProcXTestGrabControl(ClientPtr client) -{ - REQUEST(xXTestGrabControlReq); - - REQUEST_SIZE_MATCH(xXTestGrabControlReq); - if ((stuff->impervious != xTrue) && (stuff->impervious != xFalse)) - { - client->errorValue = stuff->impervious; - return BadValue; - } - if (stuff->impervious) - MakeClientGrabImpervious(client); - else - MakeClientGrabPervious(client); - return Success; -} - -static int -ProcXTestDispatch (ClientPtr client) -{ - REQUEST(xReq); - switch (stuff->data) - { - case X_XTestGetVersion: - return ProcXTestGetVersion(client); - case X_XTestCompareCursor: - return ProcXTestCompareCursor(client); - case X_XTestFakeInput: - return ProcXTestFakeInput(client); - case X_XTestGrabControl: - return ProcXTestGrabControl(client); - default: - return BadRequest; - } -} - -static int -SProcXTestGetVersion(ClientPtr client) -{ - int n; - REQUEST(xXTestGetVersionReq); - - swaps(&stuff->length, n); - REQUEST_SIZE_MATCH(xXTestGetVersionReq); - swaps(&stuff->minorVersion, n); - return ProcXTestGetVersion(client); -} - -static int -SProcXTestCompareCursor(ClientPtr client) -{ - int n; - REQUEST(xXTestCompareCursorReq); - - swaps(&stuff->length, n); - REQUEST_SIZE_MATCH(xXTestCompareCursorReq); - swapl(&stuff->window, n); - swapl(&stuff->cursor, n); - return ProcXTestCompareCursor(client); -} - -static int -XTestSwapFakeInput(ClientPtr client, xReq *req) -{ - int nev; - xEvent *ev; - xEvent sev; - EventSwapPtr proc; - - nev = ((req->length << 2) - sizeof(xReq)) / sizeof(xEvent); - for (ev = (xEvent *)&req[1]; --nev >= 0; ev++) - { - /* Swap event */ - proc = EventSwapVector[ev->u.u.type & 0177]; - /* no swapping proc; invalid event type? */ - if (!proc || proc == NotImplemented) { - client->errorValue = ev->u.u.type; - return BadValue; - } - (*proc)(ev, &sev); - *ev = sev; - } - return Success; -} - -static int -SProcXTestFakeInput(ClientPtr client) -{ - int n; - REQUEST(xReq); - - swaps(&stuff->length, n); - n = XTestSwapFakeInput(client, stuff); - if (n != Success) - return n; - return ProcXTestFakeInput(client); -} - -static int -SProcXTestGrabControl(ClientPtr client) -{ - int n; - REQUEST(xXTestGrabControlReq); - - swaps(&stuff->length, n); - REQUEST_SIZE_MATCH(xXTestGrabControlReq); - return ProcXTestGrabControl(client); -} - -static int -SProcXTestDispatch (ClientPtr client) -{ - REQUEST(xReq); - switch (stuff->data) - { - case X_XTestGetVersion: - return SProcXTestGetVersion(client); - case X_XTestCompareCursor: - return SProcXTestCompareCursor(client); - case X_XTestFakeInput: - return SProcXTestFakeInput(client); - case X_XTestGrabControl: - return SProcXTestGrabControl(client); - default: - return BadRequest; - } -} - -/** - * Allocate an virtual slave device for xtest events, this - * is a slave device to inputInfo master devices - */ -void InitXTestDevices(void) -{ - if(AllocXTestDevice(serverClient, "Virtual core", - &xtestpointer, &xtestkeyboard, - inputInfo.pointer, inputInfo.keyboard) != Success) - FatalError("Failed to allocate XTest devices"); - - if (ActivateDevice(xtestpointer, TRUE) != Success || - ActivateDevice(xtestkeyboard, TRUE) != Success) - FatalError("Failed to activate XTest core devices."); - if (!EnableDevice(xtestpointer, TRUE) || - !EnableDevice(xtestkeyboard, TRUE)) - FatalError("Failed to enable XTest core devices."); - - AttachDevice(NULL, xtestpointer, inputInfo.pointer); - AttachDevice(NULL, xtestkeyboard, inputInfo.keyboard); -} - -/** - * Don't allow changing the XTest property. - */ -static int -DeviceSetXTestProperty(DeviceIntPtr dev, Atom property, - XIPropertyValuePtr prop, BOOL checkonly) -{ - if (property == XIGetKnownProperty(XI_PROP_XTEST_DEVICE)) - return BadAccess; - - return Success; -} - -/** - * Allocate a device pair that is initialised as a slave - * device with properties that identify the devices as belonging - * to XTest subsystem. - * This only creates the pair, Activate/Enable Device - * still need to be called. - */ -int AllocXTestDevice (ClientPtr client, char* name, - DeviceIntPtr* ptr, DeviceIntPtr* keybd, - DeviceIntPtr master_ptr, DeviceIntPtr master_keybd) -{ - int retval; - int len = strlen(name); - char *xtestname = calloc(len + 7, 1 ); - char dummy = 1; - - strncpy( xtestname, name, len); - strncat( xtestname, " XTEST", 6 ); - - retval = AllocDevicePair( client, xtestname, ptr, keybd, CorePointerProc, CoreKeyboardProc, FALSE); - if ( retval == Success ){ - (*ptr)->xtest_master_id = master_ptr->id; - (*keybd)->xtest_master_id = master_keybd->id; - - XIChangeDeviceProperty(*ptr, XIGetKnownProperty(XI_PROP_XTEST_DEVICE), - XA_INTEGER, 8, PropModeReplace, 1, &dummy, - FALSE); - XISetDevicePropertyDeletable(*ptr, XIGetKnownProperty(XI_PROP_XTEST_DEVICE), FALSE); - XIRegisterPropertyHandler(*ptr, DeviceSetXTestProperty, NULL, NULL); - XIChangeDeviceProperty(*keybd, XIGetKnownProperty(XI_PROP_XTEST_DEVICE), - XA_INTEGER, 8, PropModeReplace, 1, &dummy, - FALSE); - XISetDevicePropertyDeletable(*keybd, XIGetKnownProperty(XI_PROP_XTEST_DEVICE), FALSE); - XIRegisterPropertyHandler(*keybd, DeviceSetXTestProperty, NULL, NULL); - } - - free( xtestname ); - - return retval; -} - -/** - * If master is NULL, return TRUE if the given device is an xtest device or - * FALSE otherwise. - * If master is not NULL, return TRUE if the given device is this master's - * xtest device. - */ -BOOL -IsXTestDevice(DeviceIntPtr dev, DeviceIntPtr master) -{ - if (IsMaster(dev)) - return FALSE; - - /* deviceid 0 is reserved for XIAllDevices, non-zero mid means XTest - * device */ - if (master) - return dev->xtest_master_id == master->id; - - return dev->xtest_master_id != 0; -} - -/** - * @return The X Test virtual device for the given master. - */ -DeviceIntPtr -GetXTestDevice(DeviceIntPtr master) -{ - DeviceIntPtr it; - - for (it = inputInfo.devices; it; it = it->next) - { - if (IsXTestDevice(it, master)) - return it; - } - - /* This only happens if master is a slave device. don't do that */ - return NULL; -} - -static void -XTestExtensionTearDown(ExtensionEntry *e) -{ - FreeEventList(xtest_evlist, GetMaximumEventsNum()); - xtest_evlist = NULL; -} - -void -XTestExtensionInit(INITARGS) -{ - AddExtension(XTestExtensionName, 0, 0, - ProcXTestDispatch, SProcXTestDispatch, - XTestExtensionTearDown, StandardMinorOpcode); - - xtest_evlist = InitEventList(GetMaximumEventsNum()); -} +/* + + Copyright 1992, 1998 The Open Group + + 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. + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + + Except as contained in this notice, the name of The Open Group shall + not be used in advertising or otherwise to promote the sale, use or + other dealings in this Software without prior written authorization + from The Open Group. + + */ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include +#include +#include +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "extnsionst.h" +#include "windowstr.h" +#include "inputstr.h" +#include "scrnintstr.h" +#include "dixevents.h" +#include "sleepuntil.h" +#include "mi.h" +#include "xkbsrv.h" +#include "xkbstr.h" +#include +#include +#include +#include "exglobals.h" +#include "mipointer.h" +#include "xserver-properties.h" +#include "exevents.h" +#include "eventstr.h" +#include "inpututils.h" + +#include "modinit.h" + +extern int DeviceValuator; + +/* XTest events are sent during request processing and may be interruped by + * a SIGIO. We need a separate event list to avoid events overwriting each + * other's memory */ +static InternalEvent* xtest_evlist; + +/** + * xtestpointer + * is the virtual pointer for XTest. It is the first slave + * device of the VCP. + * xtestkeyboard + * is the virtual keyboard for XTest. It is the first slave + * device of the VCK + * + * Neither of these devices can be deleted. + */ +DeviceIntPtr xtestpointer, xtestkeyboard; + +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" +#endif + +static int XTestSwapFakeInput( + ClientPtr /* client */, + xReq * /* req */ + ); + + +static int +ProcXTestGetVersion(ClientPtr client) +{ + xXTestGetVersionReply rep; + int n; + + REQUEST_SIZE_MATCH(xXTestGetVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = XTestMajorVersion; + rep.minorVersion = XTestMinorVersion; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swaps(&rep.minorVersion, n); + } + WriteToClient(client, sizeof(xXTestGetVersionReply), (char *)&rep); + return Success; +} + +static int +ProcXTestCompareCursor(ClientPtr client) +{ + REQUEST(xXTestCompareCursorReq); + xXTestCompareCursorReply rep; + WindowPtr pWin; + CursorPtr pCursor; + int n, rc; + DeviceIntPtr ptr = PickPointer(client); + + REQUEST_SIZE_MATCH(xXTestCompareCursorReq); + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + if (stuff->cursor == None) + pCursor = NullCursor; + else if (stuff->cursor == XTestCurrentCursor) + pCursor = GetSpriteCursor(ptr); + else { + rc = dixLookupResourceByType((pointer *)&pCursor, stuff->cursor, RT_CURSOR, + client, DixReadAccess); + if (rc != Success) + { + client->errorValue = stuff->cursor; + return rc; + } + } + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.same = (wCursor(pWin) == pCursor); + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + } + WriteToClient(client, sizeof(xXTestCompareCursorReply), (char *)&rep); + return Success; +} + +static int +ProcXTestFakeInput(ClientPtr client) +{ + REQUEST(xXTestFakeInputReq); + int nev, n, type, rc; + xEvent *ev; + DeviceIntPtr dev = NULL; + WindowPtr root; + Bool extension = FALSE; + deviceValuator *dv = NULL; + ValuatorMask mask; + int valuators[MAX_VALUATORS] = {0}; + int numValuators = 0; + int firstValuator = 0; + int nevents = 0; + int i; + int base = 0; + int flags = 0; + int need_ptr_update = 1; + + nev = (stuff->length << 2) - sizeof(xReq); + if ((nev % sizeof(xEvent)) || !nev) + return BadLength; + nev /= sizeof(xEvent); + UpdateCurrentTime(); + ev = (xEvent *)&((xReq *)stuff)[1]; + type = ev->u.u.type & 0177; + + if (type >= EXTENSION_EVENT_BASE) + { + extension = TRUE; + + /* check device */ + rc = dixLookupDevice(&dev, stuff->deviceid & 0177, client, + DixWriteAccess); + if (rc != Success) + { + client->errorValue = stuff->deviceid & 0177; + return rc; + } + + /* check type */ + type -= DeviceValuator; + switch (type) { + case XI_DeviceKeyPress: + case XI_DeviceKeyRelease: + if (!dev->key) + { + client->errorValue = ev->u.u.type; + return BadValue; + } + break; + case XI_DeviceButtonPress: + case XI_DeviceButtonRelease: + if (!dev->button) + { + client->errorValue = ev->u.u.type; + return BadValue; + } + break; + case XI_DeviceMotionNotify: + if (!dev->valuator) + { + client->errorValue = ev->u.u.type; + return BadValue; + } + break; + case XI_ProximityIn: + case XI_ProximityOut: + if (!dev->proximity) + { + client->errorValue = ev->u.u.type; + return BadValue; + } + break; + default: + client->errorValue = ev->u.u.type; + return BadValue; + } + + /* check validity */ + if (nev == 1 && type == XI_DeviceMotionNotify) + return BadLength; /* DevMotion must be followed by DevValuator */ + + if (type == XI_DeviceMotionNotify) + { + firstValuator = ((deviceValuator *)(ev+1))->first_valuator; + if (firstValuator > dev->valuator->numAxes) + { + client->errorValue = ev->u.u.type; + return BadValue; + } + + if (ev->u.u.detail == xFalse) + flags |= POINTER_ABSOLUTE; + } else + { + firstValuator = 0; + flags |= POINTER_ABSOLUTE; + } + + if (nev > 1 && !dev->valuator) + { + client->errorValue = dv->first_valuator; + return BadValue; + } + + + /* check validity of valuator events */ + base = firstValuator; + for (n = 1; n < nev; n++) + { + dv = (deviceValuator *)(ev + n); + if (dv->type != DeviceValuator) + { + client->errorValue = dv->type; + return BadValue; + } + if (dv->first_valuator != base) + { + client->errorValue = dv->first_valuator; + return BadValue; + } + switch(dv->num_valuators) + { + case 6: valuators[base + 5] = dv->valuator5; + case 5: valuators[base + 4] = dv->valuator4; + case 4: valuators[base + 3] = dv->valuator3; + case 3: valuators[base + 2] = dv->valuator2; + case 2: valuators[base + 1] = dv->valuator1; + case 1: valuators[base] = dv->valuator0; + break; + default: + client->errorValue = dv->num_valuators; + return BadValue; + } + + base += dv->num_valuators; + numValuators += dv->num_valuators; + + if (firstValuator + numValuators > dev->valuator->numAxes) + { + client->errorValue = dv->num_valuators; + return BadValue; + } + } + type = type - XI_DeviceKeyPress + KeyPress; + + } else + { + if (nev != 1) + return BadLength; + switch (type) + { + case KeyPress: + case KeyRelease: + dev = PickKeyboard(client); + break; + case ButtonPress: + case ButtonRelease: + dev = PickPointer(client); + break; + case MotionNotify: + dev = PickPointer(client); + valuators[0] = ev->u.keyButtonPointer.rootX; + valuators[1] = ev->u.keyButtonPointer.rootY; + numValuators = 2; + firstValuator = 0; + if (ev->u.u.detail == xFalse) + flags = POINTER_ABSOLUTE | POINTER_SCREEN; + break; + default: + client->errorValue = ev->u.u.type; + return BadValue; + } + + dev = GetXTestDevice(dev); + } + + /* If the event has a time set, wait for it to pass */ + if (ev->u.keyButtonPointer.time) + { + TimeStamp activateTime; + CARD32 ms; + + activateTime = currentTime; + ms = activateTime.milliseconds + ev->u.keyButtonPointer.time; + if (ms < activateTime.milliseconds) + activateTime.months++; + activateTime.milliseconds = ms; + ev->u.keyButtonPointer.time = 0; + + /* see mbuf.c:QueueDisplayRequest (from the deprecated Multibuffer + * extension) for code similar to this */ + + if (!ClientSleepUntil(client, &activateTime, NULL, NULL)) + { + return BadAlloc; + } + /* swap the request back so we can simply re-execute it */ + if (client->swapped) + { + (void) XTestSwapFakeInput(client, (xReq *)stuff); + swaps(&stuff->length, n); + } + ResetCurrentRequest (client); + client->sequence--; + return Success; + } + + switch (type) + { + case KeyPress: + case KeyRelease: + if (!dev->key) + return BadDevice; + + if (ev->u.u.detail < dev->key->xkbInfo->desc->min_key_code || + ev->u.u.detail > dev->key->xkbInfo->desc->max_key_code) + { + client->errorValue = ev->u.u.detail; + return BadValue; + } + + need_ptr_update = 0; + break; + case MotionNotify: + if (!dev->valuator) + return BadDevice; + + if (!(extension || ev->u.keyButtonPointer.root == None)) + { + rc = dixLookupWindow(&root, ev->u.keyButtonPointer.root, + client, DixGetAttrAccess); + if (rc != Success) + return rc; + if (root->parent) + { + client->errorValue = ev->u.keyButtonPointer.root; + return BadValue; + } + } + if (ev->u.u.detail != xTrue && ev->u.u.detail != xFalse) + { + client->errorValue = ev->u.u.detail; + return BadValue; + } + + /* FIXME: Xinerama! */ + + break; + case ButtonPress: + case ButtonRelease: + if (!dev->button) + return BadDevice; + + if (!ev->u.u.detail || ev->u.u.detail > dev->button->numButtons) + { + client->errorValue = ev->u.u.detail; + return BadValue; + } + break; + } + if (screenIsSaved == SCREEN_SAVER_ON) + dixSaveScreens(serverClient, SCREEN_SAVER_OFF, ScreenSaverReset); + + switch(type) { + case MotionNotify: + valuator_mask_set_range(&mask, firstValuator, numValuators, valuators); + nevents = GetPointerEvents(xtest_evlist, dev, type, 0, flags, &mask); + break; + case ButtonPress: + case ButtonRelease: + valuator_mask_set_range(&mask, firstValuator, numValuators, valuators); + nevents = GetPointerEvents(xtest_evlist, dev, type, ev->u.u.detail, + flags, &mask); + break; + case KeyPress: + case KeyRelease: + nevents = GetKeyboardEvents(xtest_evlist, dev, type, ev->u.u.detail, NULL); + break; + } + + for (i = 0; i < nevents; i++) + mieqProcessDeviceEvent(dev, &xtest_evlist[i], NULL); + + if (need_ptr_update) + miPointerUpdateSprite(dev); + return Success; +} + +static int +ProcXTestGrabControl(ClientPtr client) +{ + REQUEST(xXTestGrabControlReq); + + REQUEST_SIZE_MATCH(xXTestGrabControlReq); + if ((stuff->impervious != xTrue) && (stuff->impervious != xFalse)) + { + client->errorValue = stuff->impervious; + return BadValue; + } + if (stuff->impervious) + MakeClientGrabImpervious(client); + else + MakeClientGrabPervious(client); + return Success; +} + +static int +ProcXTestDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) + { + case X_XTestGetVersion: + return ProcXTestGetVersion(client); + case X_XTestCompareCursor: + return ProcXTestCompareCursor(client); + case X_XTestFakeInput: + return ProcXTestFakeInput(client); + case X_XTestGrabControl: + return ProcXTestGrabControl(client); + default: + return BadRequest; + } +} + +static int +SProcXTestGetVersion(ClientPtr client) +{ + int n; + REQUEST(xXTestGetVersionReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xXTestGetVersionReq); + swaps(&stuff->minorVersion, n); + return ProcXTestGetVersion(client); +} + +static int +SProcXTestCompareCursor(ClientPtr client) +{ + int n; + REQUEST(xXTestCompareCursorReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xXTestCompareCursorReq); + swapl(&stuff->window, n); + swapl(&stuff->cursor, n); + return ProcXTestCompareCursor(client); +} + +static int +XTestSwapFakeInput(ClientPtr client, xReq *req) +{ + int nev; + xEvent *ev; + xEvent sev; + EventSwapPtr proc; + + nev = ((req->length << 2) - sizeof(xReq)) / sizeof(xEvent); + for (ev = (xEvent *)&req[1]; --nev >= 0; ev++) + { + /* Swap event */ + proc = EventSwapVector[ev->u.u.type & 0177]; + /* no swapping proc; invalid event type? */ + if (!proc || proc == NotImplemented) { + client->errorValue = ev->u.u.type; + return BadValue; + } + (*proc)(ev, &sev); + *ev = sev; + } + return Success; +} + +static int +SProcXTestFakeInput(ClientPtr client) +{ + int n; + REQUEST(xReq); + + swaps(&stuff->length, n); + n = XTestSwapFakeInput(client, stuff); + if (n != Success) + return n; + return ProcXTestFakeInput(client); +} + +static int +SProcXTestGrabControl(ClientPtr client) +{ + int n; + REQUEST(xXTestGrabControlReq); + + swaps(&stuff->length, n); + REQUEST_SIZE_MATCH(xXTestGrabControlReq); + return ProcXTestGrabControl(client); +} + +static int +SProcXTestDispatch (ClientPtr client) +{ + REQUEST(xReq); + switch (stuff->data) + { + case X_XTestGetVersion: + return SProcXTestGetVersion(client); + case X_XTestCompareCursor: + return SProcXTestCompareCursor(client); + case X_XTestFakeInput: + return SProcXTestFakeInput(client); + case X_XTestGrabControl: + return SProcXTestGrabControl(client); + default: + return BadRequest; + } +} + +/** + * Allocate an virtual slave device for xtest events, this + * is a slave device to inputInfo master devices + */ +void InitXTestDevices(void) +{ + if(AllocXTestDevice(serverClient, "Virtual core", + &xtestpointer, &xtestkeyboard, + inputInfo.pointer, inputInfo.keyboard) != Success) + FatalError("Failed to allocate XTest devices"); + + if (ActivateDevice(xtestpointer, TRUE) != Success || + ActivateDevice(xtestkeyboard, TRUE) != Success) + FatalError("Failed to activate XTest core devices."); + if (!EnableDevice(xtestpointer, TRUE) || + !EnableDevice(xtestkeyboard, TRUE)) + FatalError("Failed to enable XTest core devices."); + + AttachDevice(NULL, xtestpointer, inputInfo.pointer); + AttachDevice(NULL, xtestkeyboard, inputInfo.keyboard); +} + +/** + * Don't allow changing the XTest property. + */ +static int +DeviceSetXTestProperty(DeviceIntPtr dev, Atom property, + XIPropertyValuePtr prop, BOOL checkonly) +{ + if (property == XIGetKnownProperty(XI_PROP_XTEST_DEVICE)) + return BadAccess; + + return Success; +} + +/** + * Allocate a device pair that is initialised as a slave + * device with properties that identify the devices as belonging + * to XTest subsystem. + * This only creates the pair, Activate/Enable Device + * still need to be called. + */ +int AllocXTestDevice (ClientPtr client, char* name, + DeviceIntPtr* ptr, DeviceIntPtr* keybd, + DeviceIntPtr master_ptr, DeviceIntPtr master_keybd) +{ + int retval; + int len = strlen(name); + char *xtestname = calloc(len + 7, 1 ); + char dummy = 1; + + strncpy( xtestname, name, len); + strncat( xtestname, " XTEST", 6 ); + + retval = AllocDevicePair( client, xtestname, ptr, keybd, CorePointerProc, CoreKeyboardProc, FALSE); + if ( retval == Success ){ + (*ptr)->xtest_master_id = master_ptr->id; + (*keybd)->xtest_master_id = master_keybd->id; + + XIChangeDeviceProperty(*ptr, XIGetKnownProperty(XI_PROP_XTEST_DEVICE), + XA_INTEGER, 8, PropModeReplace, 1, &dummy, + FALSE); + XISetDevicePropertyDeletable(*ptr, XIGetKnownProperty(XI_PROP_XTEST_DEVICE), FALSE); + XIRegisterPropertyHandler(*ptr, DeviceSetXTestProperty, NULL, NULL); + XIChangeDeviceProperty(*keybd, XIGetKnownProperty(XI_PROP_XTEST_DEVICE), + XA_INTEGER, 8, PropModeReplace, 1, &dummy, + FALSE); + XISetDevicePropertyDeletable(*keybd, XIGetKnownProperty(XI_PROP_XTEST_DEVICE), FALSE); + XIRegisterPropertyHandler(*keybd, DeviceSetXTestProperty, NULL, NULL); + } + + free( xtestname ); + + return retval; +} + +/** + * If master is NULL, return TRUE if the given device is an xtest device or + * FALSE otherwise. + * If master is not NULL, return TRUE if the given device is this master's + * xtest device. + */ +BOOL +IsXTestDevice(DeviceIntPtr dev, DeviceIntPtr master) +{ + if (IsMaster(dev)) + return FALSE; + + /* deviceid 0 is reserved for XIAllDevices, non-zero mid means XTest + * device */ + if (master) + return dev->xtest_master_id == master->id; + + return dev->xtest_master_id != 0; +} + +/** + * @return The X Test virtual device for the given master. + */ +DeviceIntPtr +GetXTestDevice(DeviceIntPtr master) +{ + DeviceIntPtr it; + + for (it = inputInfo.devices; it; it = it->next) + { + if (IsXTestDevice(it, master)) + return it; + } + + /* This only happens if master is a slave device. don't do that */ + return NULL; +} + +static void +XTestExtensionTearDown(ExtensionEntry *e) +{ + FreeEventList(xtest_evlist, GetMaximumEventsNum()); + xtest_evlist = NULL; +} + +void +XTestExtensionInit(INITARGS) +{ + AddExtension(XTestExtensionName, 0, 0, + ProcXTestDispatch, SProcXTestDispatch, + XTestExtensionTearDown, StandardMinorOpcode); + + xtest_evlist = InitEventList(GetMaximumEventsNum()); +} diff --git a/xorg-server/Xext/xvdisp.c b/xorg-server/Xext/xvdisp.c index d9cedc850..b96843159 100644 --- a/xorg-server/Xext/xvdisp.c +++ b/xorg-server/Xext/xvdisp.c @@ -1,1961 +1,1961 @@ -/*********************************************************** -Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts, -and the Massachusetts Institute of Technology, Cambridge, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -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 names of Digital or MIT not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL 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 -#endif - -#include - -#include -#include -#include "misc.h" -#include "scrnintstr.h" -#include "windowstr.h" -#include "pixmapstr.h" -#include "gcstruct.h" -#include "dixstruct.h" -#include "resource.h" -#include "opaque.h" - -#include -#include -#include "xvdix.h" -#ifdef MITSHM -#include -#endif - -#include "xvdisp.h" - -#ifdef PANORAMIX -#include "panoramiX.h" -#include "panoramiXsrv.h" - -unsigned long XvXRTPort; -#endif - -static int -SWriteQueryExtensionReply( - ClientPtr client, - xvQueryExtensionReply *rep -){ - char n; - - swaps(&rep->sequenceNumber, n); - swapl(&rep->length, n); - swaps(&rep->version, n); - swaps(&rep->revision, n); - - (void)WriteToClient(client, sz_xvQueryExtensionReply, (char *)rep); - - return Success; -} - -static int -SWriteQueryAdaptorsReply( - ClientPtr client, - xvQueryAdaptorsReply *rep -){ - char n; - - swaps(&rep->sequenceNumber, n); - swapl(&rep->length, n); - swaps(&rep->num_adaptors, n); - - (void)WriteToClient(client, sz_xvQueryAdaptorsReply, (char *)rep); - - return Success; -} - -static int -SWriteQueryEncodingsReply( - ClientPtr client, - xvQueryEncodingsReply *rep -){ - char n; - - swaps(&rep->sequenceNumber, n); - swapl(&rep->length, n); - swaps(&rep->num_encodings, n); - - (void)WriteToClient(client, sz_xvQueryEncodingsReply, (char *)rep); - - return Success; -} - -static int -SWriteAdaptorInfo( - ClientPtr client, - xvAdaptorInfo *pAdaptor -){ - char n; - - swapl(&pAdaptor->base_id, n); - swaps(&pAdaptor->name_size, n); - swaps(&pAdaptor->num_ports, n); - swaps(&pAdaptor->num_formats, n); - - (void)WriteToClient(client, sz_xvAdaptorInfo, (char *)pAdaptor); - - return Success; -} - -static int -SWriteEncodingInfo( - ClientPtr client, - xvEncodingInfo *pEncoding -){ - char n; - - swapl(&pEncoding->encoding, n); - swaps(&pEncoding->name_size, n); - swaps(&pEncoding->width, n); - swaps(&pEncoding->height, n); - swapl(&pEncoding->rate.numerator, n); - swapl(&pEncoding->rate.denominator, n); - (void)WriteToClient(client, sz_xvEncodingInfo, (char *)pEncoding); - - return Success; -} - -static int -SWriteFormat( - ClientPtr client, - xvFormat *pFormat -){ - char n; - - swapl(&pFormat->visual, n); - (void)WriteToClient(client, sz_xvFormat, (char *)pFormat); - - return Success; -} - -static int -SWriteAttributeInfo( - ClientPtr client, - xvAttributeInfo *pAtt -){ - char n; - - swapl(&pAtt->flags, n); - swapl(&pAtt->size, n); - swapl(&pAtt->min, n); - swapl(&pAtt->max, n); - (void)WriteToClient(client, sz_xvAttributeInfo, (char *)pAtt); - - return Success; -} - -static int -SWriteImageFormatInfo( - ClientPtr client, - xvImageFormatInfo *pImage -){ - char n; - - swapl(&pImage->id, n); - swapl(&pImage->red_mask, n); - swapl(&pImage->green_mask, n); - swapl(&pImage->blue_mask, n); - swapl(&pImage->y_sample_bits, n); - swapl(&pImage->u_sample_bits, n); - swapl(&pImage->v_sample_bits, n); - swapl(&pImage->horz_y_period, n); - swapl(&pImage->horz_u_period, n); - swapl(&pImage->horz_v_period, n); - swapl(&pImage->vert_y_period, n); - swapl(&pImage->vert_u_period, n); - swapl(&pImage->vert_v_period, n); - - (void)WriteToClient(client, sz_xvImageFormatInfo, (char *)pImage); - - return Success; -} - -static int -SWriteGrabPortReply( - ClientPtr client, - xvGrabPortReply *rep -){ - char n; - - swaps(&rep->sequenceNumber, n); - swapl(&rep->length, n); - - (void)WriteToClient(client, sz_xvGrabPortReply, (char *)rep); - - return Success; -} - -static int -SWriteGetPortAttributeReply( - ClientPtr client, - xvGetPortAttributeReply *rep -){ - char n; - - swaps(&rep->sequenceNumber, n); - swapl(&rep->length, n); - swapl(&rep->value, n); - - (void)WriteToClient(client, sz_xvGetPortAttributeReply, (char *)rep); - - return Success; -} - -static int -SWriteQueryBestSizeReply( - ClientPtr client, - xvQueryBestSizeReply *rep -){ - char n; - - swaps(&rep->sequenceNumber, n); - swapl(&rep->length, n); - swaps(&rep->actual_width, n); - swaps(&rep->actual_height, n); - - (void)WriteToClient(client, sz_xvQueryBestSizeReply, (char *)rep); - - return Success; -} - -static int -SWriteQueryPortAttributesReply( - ClientPtr client, - xvQueryPortAttributesReply *rep -){ - char n; - - swaps(&rep->sequenceNumber, n); - swapl(&rep->length, n); - swapl(&rep->num_attributes, n); - swapl(&rep->text_size, n); - - (void)WriteToClient(client, sz_xvQueryPortAttributesReply, (char *)rep); - - return Success; -} - -static int -SWriteQueryImageAttributesReply( - ClientPtr client, - xvQueryImageAttributesReply *rep -){ - char n; - - swaps(&rep->sequenceNumber, n); - swapl(&rep->length, n); - swapl(&rep->num_planes, n); - swapl(&rep->data_size, n); - swaps(&rep->width, n); - swaps(&rep->height, n); - - (void)WriteToClient(client, sz_xvQueryImageAttributesReply, (char *)rep); - - return Success; -} - -static int -SWriteListImageFormatsReply( - ClientPtr client, - xvListImageFormatsReply *rep -){ - char n; - - swaps(&rep->sequenceNumber, n); - swapl(&rep->length, n); - swapl(&rep->num_formats, n); - - (void)WriteToClient(client, sz_xvListImageFormatsReply, (char *)rep); - - return Success; -} - -#define _WriteQueryAdaptorsReply(_c,_d) \ - if ((_c)->swapped) SWriteQueryAdaptorsReply(_c, _d); \ - else WriteToClient(_c, sz_xvQueryAdaptorsReply, (char*)_d) - -#define _WriteQueryExtensionReply(_c,_d) \ - if ((_c)->swapped) SWriteQueryExtensionReply(_c, _d); \ - else WriteToClient(_c, sz_xvQueryExtensionReply, (char*)_d) - -#define _WriteQueryEncodingsReply(_c,_d) \ - if ((_c)->swapped) SWriteQueryEncodingsReply(_c, _d); \ - else WriteToClient(_c, sz_xvQueryEncodingsReply, (char*)_d) - -#define _WriteAdaptorInfo(_c,_d) \ - if ((_c)->swapped) SWriteAdaptorInfo(_c, _d); \ - else WriteToClient(_c, sz_xvAdaptorInfo, (char*)_d) - -#define _WriteAttributeInfo(_c,_d) \ - if ((_c)->swapped) SWriteAttributeInfo(_c, _d); \ - else WriteToClient(_c, sz_xvAttributeInfo, (char*)_d) - -#define _WriteEncodingInfo(_c,_d) \ - if ((_c)->swapped) SWriteEncodingInfo(_c, _d); \ - else WriteToClient(_c, sz_xvEncodingInfo, (char*)_d) - -#define _WriteFormat(_c,_d) \ - if ((_c)->swapped) SWriteFormat(_c, _d); \ - else WriteToClient(_c, sz_xvFormat, (char*)_d) - -#define _WriteGrabPortReply(_c,_d) \ - if ((_c)->swapped) SWriteGrabPortReply(_c, _d); \ - else WriteToClient(_c, sz_xvGrabPortReply, (char*)_d) - -#define _WriteGetPortAttributeReply(_c,_d) \ - if ((_c)->swapped) SWriteGetPortAttributeReply(_c, _d); \ - else WriteToClient(_c, sz_xvGetPortAttributeReply, (char*)_d) - -#define _WriteQueryBestSizeReply(_c,_d) \ - if ((_c)->swapped) SWriteQueryBestSizeReply(_c, _d); \ - else WriteToClient(_c, sz_xvQueryBestSizeReply,(char*) _d) - -#define _WriteQueryPortAttributesReply(_c,_d) \ - if ((_c)->swapped) SWriteQueryPortAttributesReply(_c, _d); \ - else WriteToClient(_c, sz_xvQueryPortAttributesReply,(char*) _d) - -#define _WriteQueryImageAttributesReply(_c,_d) \ - if ((_c)->swapped) SWriteQueryImageAttributesReply(_c, _d); \ - else WriteToClient(_c, sz_xvQueryImageAttributesReply,(char*) _d) - -#define _WriteListImageFormatsReply(_c,_d) \ - if ((_c)->swapped) SWriteListImageFormatsReply(_c, _d); \ - else WriteToClient(_c, sz_xvListImageFormatsReply,(char*) _d) - -#define _WriteImageFormatInfo(_c,_d) \ - if ((_c)->swapped) SWriteImageFormatInfo(_c, _d); \ - else WriteToClient(_c, sz_xvImageFormatInfo, (char*)_d) - -#define _AllocatePort(_i,_p) \ - ((_p)->id != _i) ? (* (_p)->pAdaptor->ddAllocatePort)(_i,_p,&_p) : Success - -static int -ProcXvQueryExtension(ClientPtr client) -{ - xvQueryExtensionReply rep; - /* REQUEST(xvQueryExtensionReq); */ - REQUEST_SIZE_MATCH(xvQueryExtensionReq); - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = 0; - rep.version = XvVersion; - rep.revision = XvRevision; - - _WriteQueryExtensionReply(client, &rep); - - return Success; -} - -static int -ProcXvQueryAdaptors(ClientPtr client) -{ - xvFormat format; - xvAdaptorInfo ainfo; - xvQueryAdaptorsReply rep; - int totalSize, na, nf, rc; - int nameSize; - XvAdaptorPtr pa; - XvFormatPtr pf; - WindowPtr pWin; - ScreenPtr pScreen; - XvScreenPtr pxvs; - - REQUEST(xvQueryAdaptorsReq); - REQUEST_SIZE_MATCH(xvQueryAdaptorsReq); - - rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); - if (rc != Success) - return rc; - - pScreen = pWin->drawable.pScreen; - pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, - XvGetScreenKey()); - if (!pxvs) - { - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.num_adaptors = 0; - rep.length = 0; - - _WriteQueryAdaptorsReply(client, &rep); - - return Success; - } - - (* pxvs->ddQueryAdaptors)(pScreen, &pxvs->pAdaptors, &pxvs->nAdaptors); - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.num_adaptors = pxvs->nAdaptors; - - /* CALCULATE THE TOTAL SIZE OF THE REPLY IN BYTES */ - - totalSize = pxvs->nAdaptors * sz_xvAdaptorInfo; - - /* FOR EACH ADPATOR ADD UP THE BYTES FOR ENCODINGS AND FORMATS */ - - na = pxvs->nAdaptors; - pa = pxvs->pAdaptors; - while (na--) - { - totalSize += pad_to_int32(strlen(pa->name)); - totalSize += pa->nFormats * sz_xvFormat; - pa++; - } - - rep.length = bytes_to_int32(totalSize); - - _WriteQueryAdaptorsReply(client, &rep); - - na = pxvs->nAdaptors; - pa = pxvs->pAdaptors; - while (na--) - { - - ainfo.base_id = pa->base_id; - ainfo.num_ports = pa->nPorts; - ainfo.type = pa->type; - ainfo.name_size = nameSize = strlen(pa->name); - ainfo.num_formats = pa->nFormats; - - _WriteAdaptorInfo(client, &ainfo); - - WriteToClient(client, nameSize, pa->name); - - nf = pa->nFormats; - pf = pa->pFormats; - while (nf--) - { - format.depth = pf->depth; - format.visual = pf->visual; - _WriteFormat(client, &format); - pf++; - } - - pa++; - - } - - return Success; -} - -static int -ProcXvQueryEncodings(ClientPtr client) -{ - xvEncodingInfo einfo; - xvQueryEncodingsReply rep; - int totalSize; - int nameSize; - XvPortPtr pPort; - int ne; - XvEncodingPtr pe; - int status; - - REQUEST(xvQueryEncodingsReq); - REQUEST_SIZE_MATCH(xvQueryEncodingsReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.num_encodings = pPort->pAdaptor->nEncodings; - - /* FOR EACH ENCODING ADD UP THE BYTES FOR ENCODING NAMES */ - - ne = pPort->pAdaptor->nEncodings; - pe = pPort->pAdaptor->pEncodings; - totalSize = ne * sz_xvEncodingInfo; - while (ne--) - { - totalSize += pad_to_int32(strlen(pe->name)); - pe++; - } - - rep.length = bytes_to_int32(totalSize); - - _WriteQueryEncodingsReply(client, &rep); - - ne = pPort->pAdaptor->nEncodings; - pe = pPort->pAdaptor->pEncodings; - while (ne--) - { - einfo.encoding = pe->id; - einfo.name_size = nameSize = strlen(pe->name); - einfo.width = pe->width; - einfo.height = pe->height; - einfo.rate.numerator = pe->rate.numerator; - einfo.rate.denominator = pe->rate.denominator; - _WriteEncodingInfo(client, &einfo); - WriteToClient(client, nameSize, pe->name); - pe++; - } - - return Success; -} - -static int -ProcXvPutVideo(ClientPtr client) -{ - DrawablePtr pDraw; - XvPortPtr pPort; - GCPtr pGC; - int status; - - REQUEST(xvPutVideoReq); - REQUEST_SIZE_MATCH(xvPutVideoReq); - - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - if (!(pPort->pAdaptor->type & XvInputMask) || - !(pPort->pAdaptor->type & XvVideoMask)) - { - client->errorValue = stuff->port; - return BadMatch; - } - - status = XvdiMatchPort(pPort, pDraw); - if (status != Success) - { - return status; - } - - return XvdiPutVideo(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y, - stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y, - stuff->drw_w, stuff->drw_h); -} - -static int -ProcXvPutStill(ClientPtr client) -{ - DrawablePtr pDraw; - XvPortPtr pPort; - GCPtr pGC; - int status; - - REQUEST(xvPutStillReq); - REQUEST_SIZE_MATCH(xvPutStillReq); - - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - if (!(pPort->pAdaptor->type & XvInputMask) || - !(pPort->pAdaptor->type & XvStillMask)) - { - client->errorValue = stuff->port; - return BadMatch; - } - - status = XvdiMatchPort(pPort, pDraw); - if (status != Success) - { - return status; - } - - return XvdiPutStill(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y, - stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y, - stuff->drw_w, stuff->drw_h); -} - -static int -ProcXvGetVideo(ClientPtr client) -{ - DrawablePtr pDraw; - XvPortPtr pPort; - GCPtr pGC; - int status; - - REQUEST(xvGetVideoReq); - REQUEST_SIZE_MATCH(xvGetVideoReq); - - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixReadAccess); - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - if (!(pPort->pAdaptor->type & XvOutputMask) || - !(pPort->pAdaptor->type & XvVideoMask)) - { - client->errorValue = stuff->port; - return BadMatch; - } - - status = XvdiMatchPort(pPort, pDraw); - if (status != Success) - { - return status; - } - - return XvdiGetVideo(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y, - stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y, - stuff->drw_w, stuff->drw_h); -} - -static int -ProcXvGetStill(ClientPtr client) -{ - DrawablePtr pDraw; - XvPortPtr pPort; - GCPtr pGC; - int status; - - REQUEST(xvGetStillReq); - REQUEST_SIZE_MATCH(xvGetStillReq); - - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixReadAccess); - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - if (!(pPort->pAdaptor->type & XvOutputMask) || - !(pPort->pAdaptor->type & XvStillMask)) - { - client->errorValue = stuff->port; - return BadMatch; - } - - status = XvdiMatchPort(pPort, pDraw); - if (status != Success) - { - return status; - } - - return XvdiGetStill(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y, - stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y, - stuff->drw_w, stuff->drw_h); -} - -static int -ProcXvSelectVideoNotify(ClientPtr client) -{ - DrawablePtr pDraw; - int rc; - REQUEST(xvSelectVideoNotifyReq); - REQUEST_SIZE_MATCH(xvSelectVideoNotifyReq); - - rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixReceiveAccess); - if (rc != Success) - return rc; - - return XvdiSelectVideoNotify(client, pDraw, stuff->onoff); -} - -static int -ProcXvSelectPortNotify(ClientPtr client) -{ - int status; - XvPortPtr pPort; - REQUEST(xvSelectPortNotifyReq); - REQUEST_SIZE_MATCH(xvSelectPortNotifyReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - return XvdiSelectPortNotify(client, pPort, stuff->onoff); -} - -static int -ProcXvGrabPort(ClientPtr client) -{ - int result, status; - XvPortPtr pPort; - xvGrabPortReply rep; - REQUEST(xvGrabPortReq); - REQUEST_SIZE_MATCH(xvGrabPortReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - status = XvdiGrabPort(client, pPort, stuff->time, &result); - - if (status != Success) - { - return status; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = 0; - rep.result = result; - - _WriteGrabPortReply(client, &rep); - - return Success; -} - -static int -ProcXvUngrabPort(ClientPtr client) -{ - int status; - XvPortPtr pPort; - REQUEST(xvGrabPortReq); - REQUEST_SIZE_MATCH(xvGrabPortReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - return XvdiUngrabPort(client, pPort, stuff->time); -} - -static int -ProcXvStopVideo(ClientPtr client) -{ - int status, rc; - DrawablePtr pDraw; - XvPortPtr pPort; - REQUEST(xvStopVideoReq); - REQUEST_SIZE_MATCH(xvStopVideoReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess); - if (rc != Success) - return rc; - - return XvdiStopVideo(client, pPort, pDraw); -} - -static int -ProcXvSetPortAttribute(ClientPtr client) -{ - int status; - XvPortPtr pPort; - REQUEST(xvSetPortAttributeReq); - REQUEST_SIZE_MATCH(xvSetPortAttributeReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixSetAttrAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - if (!ValidAtom(stuff->attribute)) - { - client->errorValue = stuff->attribute; - return BadAtom; - } - - status = XvdiSetPortAttribute(client, pPort, stuff->attribute, stuff->value); - - if (status == BadMatch) - client->errorValue = stuff->attribute; - else - client->errorValue = stuff->value; - - return status; -} - -static int -ProcXvGetPortAttribute(ClientPtr client) -{ - INT32 value; - int status; - XvPortPtr pPort; - xvGetPortAttributeReply rep; - REQUEST(xvGetPortAttributeReq); - REQUEST_SIZE_MATCH(xvGetPortAttributeReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixGetAttrAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - if (!ValidAtom(stuff->attribute)) - { - client->errorValue = stuff->attribute; - return BadAtom; - } - - status = XvdiGetPortAttribute(client, pPort, stuff->attribute, &value); - if (status != Success) - { - client->errorValue = stuff->attribute; - return status; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = 0; - rep.value = value; - - _WriteGetPortAttributeReply(client, &rep); - - return Success; -} - -static int -ProcXvQueryBestSize(ClientPtr client) -{ - int status; - unsigned int actual_width, actual_height; - XvPortPtr pPort; - xvQueryBestSizeReply rep; - REQUEST(xvQueryBestSizeReq); - REQUEST_SIZE_MATCH(xvQueryBestSizeReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = 0; - - (* pPort->pAdaptor->ddQueryBestSize)(client, pPort, stuff->motion, - stuff->vid_w, stuff->vid_h, - stuff->drw_w, stuff->drw_h, - &actual_width, &actual_height); - - rep.actual_width = actual_width; - rep.actual_height = actual_height; - - _WriteQueryBestSizeReply(client, &rep); - - return Success; -} - - -static int -ProcXvQueryPortAttributes(ClientPtr client) -{ - int status, size, i; - XvPortPtr pPort; - XvAttributePtr pAtt; - xvQueryPortAttributesReply rep; - xvAttributeInfo Info; - REQUEST(xvQueryPortAttributesReq); - REQUEST_SIZE_MATCH(xvQueryPortAttributesReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixGetAttrAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.num_attributes = pPort->pAdaptor->nAttributes; - rep.text_size = 0; - - for(i = 0, pAtt = pPort->pAdaptor->pAttributes; - i < pPort->pAdaptor->nAttributes; i++, pAtt++) - { - rep.text_size += pad_to_int32(strlen(pAtt->name) + 1); - } - - rep.length = (pPort->pAdaptor->nAttributes * sz_xvAttributeInfo) - + rep.text_size; - rep.length >>= 2; - - _WriteQueryPortAttributesReply(client, &rep); - - for(i = 0, pAtt = pPort->pAdaptor->pAttributes; - i < pPort->pAdaptor->nAttributes; i++, pAtt++) - { - size = strlen(pAtt->name) + 1; /* pass the NULL */ - Info.flags = pAtt->flags; - Info.min = pAtt->min_value; - Info.max = pAtt->max_value; - Info.size = pad_to_int32(size); - - _WriteAttributeInfo(client, &Info); - - WriteToClient(client, size, pAtt->name); - } - - return Success; -} - -static int -ProcXvPutImage(ClientPtr client) -{ - DrawablePtr pDraw; - XvPortPtr pPort; - XvImagePtr pImage = NULL; - GCPtr pGC; - int status, i, size; - CARD16 width, height; - - REQUEST(xvPutImageReq); - REQUEST_AT_LEAST_SIZE(xvPutImageReq); - - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - if (!(pPort->pAdaptor->type & XvImageMask) || - !(pPort->pAdaptor->type & XvInputMask)) - { - client->errorValue = stuff->port; - return BadMatch; - } - - status = XvdiMatchPort(pPort, pDraw); - if (status != Success) - { - return status; - } - - for(i = 0; i < pPort->pAdaptor->nImages; i++) { - if(pPort->pAdaptor->pImages[i].id == stuff->id) { - pImage = &(pPort->pAdaptor->pImages[i]); - break; - } - } - - if(!pImage) - return BadMatch; - - width = stuff->width; - height = stuff->height; - size = (*pPort->pAdaptor->ddQueryImageAttributes)(client, - pPort, pImage, &width, &height, NULL, NULL); - size += sizeof(xvPutImageReq); - size = bytes_to_int32(size); - - if((width < stuff->width) || (height < stuff->height)) - return BadValue; - - if(client->req_len < size) - return BadLength; - - return XvdiPutImage(client, pDraw, pPort, pGC, stuff->src_x, stuff->src_y, - stuff->src_w, stuff->src_h, stuff->drw_x, stuff->drw_y, - stuff->drw_w, stuff->drw_h, pImage, - (unsigned char*)(&stuff[1]), FALSE, - stuff->width, stuff->height); -} - -#ifdef MITSHM -/* redefined here since it's not in any header file */ -typedef struct _ShmDesc { - struct _ShmDesc *next; - int shmid; - int refcnt; - char *addr; - Bool writable; - unsigned long size; -} ShmDescRec, *ShmDescPtr; - -extern RESTYPE ShmSegType; -extern int ShmCompletionCode; - -static int -ProcXvShmPutImage(ClientPtr client) -{ - ShmDescPtr shmdesc; - DrawablePtr pDraw; - XvPortPtr pPort; - XvImagePtr pImage = NULL; - GCPtr pGC; - int status, size_needed, i; - CARD16 width, height; - - REQUEST(xvShmPutImageReq); - REQUEST_SIZE_MATCH(xvShmPutImageReq); - - VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if ((status = _AllocatePort(stuff->port, pPort)) != Success) - { - client->errorValue = stuff->port; - return status; - } - - if (!(pPort->pAdaptor->type & XvImageMask) || - !(pPort->pAdaptor->type & XvInputMask)) - { - client->errorValue = stuff->port; - return BadMatch; - } - - status = XvdiMatchPort(pPort, pDraw); - if (status != Success) - { - return status; - } - - for(i = 0; i < pPort->pAdaptor->nImages; i++) { - if(pPort->pAdaptor->pImages[i].id == stuff->id) { - pImage = &(pPort->pAdaptor->pImages[i]); - break; - } - } - - if(!pImage) - return BadMatch; - - status = dixLookupResourceByType((pointer *)&shmdesc, stuff->shmseg, - ShmSegType, serverClient, DixReadAccess); - if (status != Success) - return status; - - width = stuff->width; - height = stuff->height; - size_needed = (*pPort->pAdaptor->ddQueryImageAttributes)(client, - pPort, pImage, &width, &height, NULL, NULL); - if((size_needed + stuff->offset) > shmdesc->size) - return BadAccess; - - if((width < stuff->width) || (height < stuff->height)) - return BadValue; - - status = XvdiPutImage(client, pDraw, pPort, pGC, stuff->src_x, stuff->src_y, - stuff->src_w, stuff->src_h, stuff->drw_x, stuff->drw_y, - stuff->drw_w, stuff->drw_h, pImage, - (unsigned char *)shmdesc->addr + stuff->offset, - stuff->send_event, stuff->width, stuff->height); - - if((status == Success) && stuff->send_event) { - xShmCompletionEvent ev; - - ev.type = ShmCompletionCode; - ev.drawable = stuff->drawable; - ev.minorEvent = xv_ShmPutImage; - ev.majorEvent = XvReqCode; - ev.shmseg = stuff->shmseg; - ev.offset = stuff->offset; - WriteEventsToClient(client, 1, (xEvent *) &ev); - } - - return status; -} -#else /* !MITSHM */ -static int -ProcXvShmPutImage(ClientPtr client) -{ - SendErrorToClient(client, XvReqCode, xv_ShmPutImage, 0, BadImplementation); - return BadImplementation; -} -#endif - -#ifdef XvMCExtension -#include "xvmcext.h" -#endif - -static int -ProcXvQueryImageAttributes(ClientPtr client) -{ - xvQueryImageAttributesReply rep; - int size, num_planes, i; - CARD16 width, height; - XvImagePtr pImage = NULL; - XvPortPtr pPort; - int *offsets; - int *pitches; - int planeLength; - REQUEST(xvQueryImageAttributesReq); - - REQUEST_SIZE_MATCH(xvQueryImageAttributesReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - for(i = 0; i < pPort->pAdaptor->nImages; i++) { - if(pPort->pAdaptor->pImages[i].id == stuff->id) { - pImage = &(pPort->pAdaptor->pImages[i]); - break; - } - } - -#ifdef XvMCExtension - if(!pImage) - pImage = XvMCFindXvImage(pPort, stuff->id); -#endif - - if(!pImage) - return BadMatch; - - num_planes = pImage->num_planes; - - if(!(offsets = malloc(num_planes << 3))) - return BadAlloc; - pitches = offsets + num_planes; - - width = stuff->width; - height = stuff->height; - - size = (*pPort->pAdaptor->ddQueryImageAttributes)(client, pPort, pImage, - &width, &height, offsets, pitches); - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = planeLength = num_planes << 1; - rep.num_planes = num_planes; - rep.width = width; - rep.height = height; - rep.data_size = size; - - _WriteQueryImageAttributesReply(client, &rep); - if(client->swapped) - SwapLongs((CARD32*)offsets, planeLength); - WriteToClient(client, planeLength << 2, (char*)offsets); - - free(offsets); - - return Success; -} - -static int -ProcXvListImageFormats(ClientPtr client) -{ - XvPortPtr pPort; - XvImagePtr pImage; - int i; - xvListImageFormatsReply rep; - xvImageFormatInfo info; - REQUEST(xvListImageFormatsReq); - - REQUEST_SIZE_MATCH(xvListImageFormatsReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.num_formats = pPort->pAdaptor->nImages; - rep.length = bytes_to_int32(pPort->pAdaptor->nImages * sz_xvImageFormatInfo); - - _WriteListImageFormatsReply(client, &rep); - - pImage = pPort->pAdaptor->pImages; - - for(i = 0; i < pPort->pAdaptor->nImages; i++, pImage++) { - info.id = pImage->id; - info.type = pImage->type; - info.byte_order = pImage->byte_order; - memcpy(&info.guid, pImage->guid, 16); - info.bpp = pImage->bits_per_pixel; - info.num_planes = pImage->num_planes; - info.depth = pImage->depth; - info.red_mask = pImage->red_mask; - info.green_mask = pImage->green_mask; - info.blue_mask = pImage->blue_mask; - info.format = pImage->format; - info.y_sample_bits = pImage->y_sample_bits; - info.u_sample_bits = pImage->u_sample_bits; - info.v_sample_bits = pImage->v_sample_bits; - info.horz_y_period = pImage->horz_y_period; - info.horz_u_period = pImage->horz_u_period; - info.horz_v_period = pImage->horz_v_period; - info.vert_y_period = pImage->vert_y_period; - info.vert_u_period = pImage->vert_u_period; - info.vert_v_period = pImage->vert_v_period; - memcpy(&info.comp_order, pImage->component_order, 32); - info.scanline_order = pImage->scanline_order; - _WriteImageFormatInfo(client, &info); - } - - return Success; -} - -static int (*XvProcVector[xvNumRequests])(ClientPtr) = { - ProcXvQueryExtension, - ProcXvQueryAdaptors, - ProcXvQueryEncodings, - ProcXvGrabPort, - ProcXvUngrabPort, - ProcXvPutVideo, - ProcXvPutStill, - ProcXvGetVideo, - ProcXvGetStill, - ProcXvStopVideo, - ProcXvSelectVideoNotify, - ProcXvSelectPortNotify, - ProcXvQueryBestSize, - ProcXvSetPortAttribute, - ProcXvGetPortAttribute, - ProcXvQueryPortAttributes, - ProcXvListImageFormats, - ProcXvQueryImageAttributes, - ProcXvPutImage, - ProcXvShmPutImage, -}; - -int -ProcXvDispatch(ClientPtr client) -{ - REQUEST(xReq); - - UpdateCurrentTime(); - - if (stuff->data > xvNumRequests) { - SendErrorToClient(client, XvReqCode, stuff->data, 0, BadRequest); - return BadRequest; - } - - return XvProcVector[stuff->data](client); -} - -/* Swapped Procs */ - -static int -SProcXvQueryExtension(ClientPtr client) -{ - char n; - REQUEST(xvQueryExtensionReq); - swaps(&stuff->length, n); - return XvProcVector[xv_QueryExtension](client); -} - -static int -SProcXvQueryAdaptors(ClientPtr client) -{ - char n; - REQUEST(xvQueryAdaptorsReq); - swaps(&stuff->length, n); - swapl(&stuff->window, n); - return XvProcVector[xv_QueryAdaptors](client); -} - -static int -SProcXvQueryEncodings(ClientPtr client) -{ - char n; - REQUEST(xvQueryEncodingsReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - return XvProcVector[xv_QueryEncodings](client); -} - -static int -SProcXvGrabPort(ClientPtr client) -{ - char n; - REQUEST(xvGrabPortReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swapl(&stuff->time, n); - return XvProcVector[xv_GrabPort](client); -} - -static int -SProcXvUngrabPort(ClientPtr client) -{ - char n; - REQUEST(xvUngrabPortReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swapl(&stuff->time, n); - return XvProcVector[xv_UngrabPort](client); -} - -static int -SProcXvPutVideo(ClientPtr client) -{ - char n; - REQUEST(xvPutVideoReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swapl(&stuff->drawable, n); - swapl(&stuff->gc, n); - swaps(&stuff->vid_x, n); - swaps(&stuff->vid_y, n); - swaps(&stuff->vid_w, n); - swaps(&stuff->vid_h, n); - swaps(&stuff->drw_x, n); - swaps(&stuff->drw_y, n); - swaps(&stuff->drw_w, n); - swaps(&stuff->drw_h, n); - return XvProcVector[xv_PutVideo](client); -} - -static int -SProcXvPutStill(ClientPtr client) -{ - char n; - REQUEST(xvPutStillReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swapl(&stuff->drawable, n); - swapl(&stuff->gc, n); - swaps(&stuff->vid_x, n); - swaps(&stuff->vid_y, n); - swaps(&stuff->vid_w, n); - swaps(&stuff->vid_h, n); - swaps(&stuff->drw_x, n); - swaps(&stuff->drw_y, n); - swaps(&stuff->drw_w, n); - swaps(&stuff->drw_h, n); - return XvProcVector[xv_PutStill](client); -} - -static int -SProcXvGetVideo(ClientPtr client) -{ - char n; - REQUEST(xvGetVideoReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swapl(&stuff->drawable, n); - swapl(&stuff->gc, n); - swaps(&stuff->vid_x, n); - swaps(&stuff->vid_y, n); - swaps(&stuff->vid_w, n); - swaps(&stuff->vid_h, n); - swaps(&stuff->drw_x, n); - swaps(&stuff->drw_y, n); - swaps(&stuff->drw_w, n); - swaps(&stuff->drw_h, n); - return XvProcVector[xv_GetVideo](client); -} - -static int -SProcXvGetStill(ClientPtr client) -{ - char n; - REQUEST(xvGetStillReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swapl(&stuff->drawable, n); - swapl(&stuff->gc, n); - swaps(&stuff->vid_x, n); - swaps(&stuff->vid_y, n); - swaps(&stuff->vid_w, n); - swaps(&stuff->vid_h, n); - swaps(&stuff->drw_x, n); - swaps(&stuff->drw_y, n); - swaps(&stuff->drw_w, n); - swaps(&stuff->drw_h, n); - return XvProcVector[xv_GetStill](client); -} - -static int -SProcXvPutImage(ClientPtr client) -{ - char n; - REQUEST(xvPutImageReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swapl(&stuff->drawable, n); - swapl(&stuff->gc, n); - swapl(&stuff->id, n); - swaps(&stuff->src_x, n); - swaps(&stuff->src_y, n); - swaps(&stuff->src_w, n); - swaps(&stuff->src_h, n); - swaps(&stuff->drw_x, n); - swaps(&stuff->drw_y, n); - swaps(&stuff->drw_w, n); - swaps(&stuff->drw_h, n); - swaps(&stuff->width, n); - swaps(&stuff->height, n); - return XvProcVector[xv_PutImage](client); -} - -#ifdef MITSHM -static int -SProcXvShmPutImage(ClientPtr client) -{ - char n; - REQUEST(xvShmPutImageReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swapl(&stuff->drawable, n); - swapl(&stuff->gc, n); - swapl(&stuff->shmseg, n); - swapl(&stuff->id, n); - swapl(&stuff->offset, n); - swaps(&stuff->src_x, n); - swaps(&stuff->src_y, n); - swaps(&stuff->src_w, n); - swaps(&stuff->src_h, n); - swaps(&stuff->drw_x, n); - swaps(&stuff->drw_y, n); - swaps(&stuff->drw_w, n); - swaps(&stuff->drw_h, n); - swaps(&stuff->width, n); - swaps(&stuff->height, n); - return XvProcVector[xv_ShmPutImage](client); -} -#else /* MITSHM */ -#define SProcXvShmPutImage ProcXvShmPutImage -#endif - -static int -SProcXvSelectVideoNotify(ClientPtr client) -{ - char n; - REQUEST(xvSelectVideoNotifyReq); - swaps(&stuff->length, n); - swapl(&stuff->drawable, n); - return XvProcVector[xv_SelectVideoNotify](client); -} - -static int -SProcXvSelectPortNotify(ClientPtr client) -{ - char n; - REQUEST(xvSelectPortNotifyReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - return XvProcVector[xv_SelectPortNotify](client); -} - -static int -SProcXvStopVideo(ClientPtr client) -{ - char n; - REQUEST(xvStopVideoReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swapl(&stuff->drawable, n); - return XvProcVector[xv_StopVideo](client); -} - -static int -SProcXvSetPortAttribute(ClientPtr client) -{ - char n; - REQUEST(xvSetPortAttributeReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swapl(&stuff->attribute, n); - swapl(&stuff->value, n); - return XvProcVector[xv_SetPortAttribute](client); -} - -static int -SProcXvGetPortAttribute(ClientPtr client) -{ - char n; - REQUEST(xvGetPortAttributeReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swapl(&stuff->attribute, n); - return XvProcVector[xv_GetPortAttribute](client); -} - -static int -SProcXvQueryBestSize(ClientPtr client) -{ - char n; - REQUEST(xvQueryBestSizeReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swaps(&stuff->vid_w, n); - swaps(&stuff->vid_h, n); - swaps(&stuff->drw_w, n); - swaps(&stuff->drw_h, n); - return XvProcVector[xv_QueryBestSize](client); -} - -static int -SProcXvQueryPortAttributes(ClientPtr client) -{ - char n; - REQUEST(xvQueryPortAttributesReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - return XvProcVector[xv_QueryPortAttributes](client); -} - -static int -SProcXvQueryImageAttributes(ClientPtr client) -{ - char n; - REQUEST(xvQueryImageAttributesReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - swapl(&stuff->id, n); - swaps(&stuff->width, n); - swaps(&stuff->height, n); - return XvProcVector[xv_QueryImageAttributes](client); -} - -static int -SProcXvListImageFormats(ClientPtr client) -{ - char n; - REQUEST(xvListImageFormatsReq); - swaps(&stuff->length, n); - swapl(&stuff->port, n); - return XvProcVector[xv_ListImageFormats](client); -} - -static int (*SXvProcVector[xvNumRequests])(ClientPtr) = { - SProcXvQueryExtension, - SProcXvQueryAdaptors, - SProcXvQueryEncodings, - SProcXvGrabPort, - SProcXvUngrabPort, - SProcXvPutVideo, - SProcXvPutStill, - SProcXvGetVideo, - SProcXvGetStill, - SProcXvStopVideo, - SProcXvSelectVideoNotify, - SProcXvSelectPortNotify, - SProcXvQueryBestSize, - SProcXvSetPortAttribute, - SProcXvGetPortAttribute, - SProcXvQueryPortAttributes, - SProcXvListImageFormats, - SProcXvQueryImageAttributes, - SProcXvPutImage, - SProcXvShmPutImage, -}; - -int -SProcXvDispatch(ClientPtr client) -{ - REQUEST(xReq); - - UpdateCurrentTime(); - - if (stuff->data > xvNumRequests) { - SendErrorToClient(client, XvReqCode, stuff->data, 0, BadRequest); - return BadRequest; - } - - return SXvProcVector[stuff->data](client); -} - -#ifdef PANORAMIX -static int -XineramaXvStopVideo(ClientPtr client) -{ - int result, i; - PanoramiXRes *draw, *port; - REQUEST(xvStopVideoReq); - REQUEST_SIZE_MATCH(xvStopVideoReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - result = dixLookupResourceByType((pointer *)&port, stuff->port, - XvXRTPort, client, DixReadAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(i) { - if(port->info[i].id) { - stuff->drawable = draw->info[i].id; - stuff->port = port->info[i].id; - result = ProcXvStopVideo(client); - } - } - - return result; -} - -static int -XineramaXvSetPortAttribute(ClientPtr client) -{ - REQUEST(xvSetPortAttributeReq); - PanoramiXRes *port; - int result, i; - - REQUEST_SIZE_MATCH(xvSetPortAttributeReq); - - result = dixLookupResourceByType((pointer *)&port, stuff->port, - XvXRTPort, client, DixReadAccess); - if (result != Success) - return result; - - FOR_NSCREENS_BACKWARD(i) { - if(port->info[i].id) { - stuff->port = port->info[i].id; - result = ProcXvSetPortAttribute(client); - } - } - return result; -} - -#ifdef MITSHM -static int -XineramaXvShmPutImage(ClientPtr client) -{ - REQUEST(xvShmPutImageReq); - PanoramiXRes *draw, *gc, *port; - Bool send_event = stuff->send_event; - Bool isRoot; - int result, i, x, y; - - REQUEST_SIZE_MATCH(xvShmPutImageReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, - XRT_GC, client, DixReadAccess); - if (result != Success) - return result; - - result = dixLookupResourceByType((pointer *)&port, stuff->port, - XvXRTPort, client, DixReadAccess); - if (result != Success) - return result; - - isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; - - x = stuff->drw_x; - y = stuff->drw_y; - - FOR_NSCREENS_BACKWARD(i) { - if(port->info[i].id) { - stuff->drawable = draw->info[i].id; - stuff->port = port->info[i].id; - stuff->gc = gc->info[i].id; - stuff->drw_x = x; - stuff->drw_y = y; - if(isRoot) { - stuff->drw_x -= screenInfo.screens[i]->x; - stuff->drw_y -= screenInfo.screens[i]->y; - } - stuff->send_event = (send_event && !i) ? 1 : 0; - - result = ProcXvShmPutImage(client); - } - } - return result; -} -#else -#define XineramaXvShmPutImage ProcXvShmPutImage -#endif - -static int -XineramaXvPutImage(ClientPtr client) -{ - REQUEST(xvPutImageReq); - PanoramiXRes *draw, *gc, *port; - Bool isRoot; - int result, i, x, y; - - REQUEST_AT_LEAST_SIZE(xvPutImageReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, - XRT_GC, client, DixReadAccess); - if (result != Success) - return result; - - result = dixLookupResourceByType((pointer *)&port, stuff->port, - XvXRTPort, client, DixReadAccess); - if (result != Success) - return result; - - isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; - - x = stuff->drw_x; - y = stuff->drw_y; - - FOR_NSCREENS_BACKWARD(i) { - if(port->info[i].id) { - stuff->drawable = draw->info[i].id; - stuff->port = port->info[i].id; - stuff->gc = gc->info[i].id; - stuff->drw_x = x; - stuff->drw_y = y; - if(isRoot) { - stuff->drw_x -= screenInfo.screens[i]->x; - stuff->drw_y -= screenInfo.screens[i]->y; - } - - result = ProcXvPutImage(client); - } - } - return result; -} - -static int -XineramaXvPutVideo(ClientPtr client) -{ - REQUEST(xvPutImageReq); - PanoramiXRes *draw, *gc, *port; - Bool isRoot; - int result, i, x, y; - - REQUEST_AT_LEAST_SIZE(xvPutVideoReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, - XRT_GC, client, DixReadAccess); - if (result != Success) - return result; - - result = dixLookupResourceByType((pointer *)&port, stuff->port, - XvXRTPort, client, DixReadAccess); - if (result != Success) - return result; - - isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; - - x = stuff->drw_x; - y = stuff->drw_y; - - FOR_NSCREENS_BACKWARD(i) { - if(port->info[i].id) { - stuff->drawable = draw->info[i].id; - stuff->port = port->info[i].id; - stuff->gc = gc->info[i].id; - stuff->drw_x = x; - stuff->drw_y = y; - if(isRoot) { - stuff->drw_x -= screenInfo.screens[i]->x; - stuff->drw_y -= screenInfo.screens[i]->y; - } - - result = ProcXvPutVideo(client); - } - } - return result; -} - -static int -XineramaXvPutStill(ClientPtr client) -{ - REQUEST(xvPutImageReq); - PanoramiXRes *draw, *gc, *port; - Bool isRoot; - int result, i, x, y; - - REQUEST_AT_LEAST_SIZE(xvPutImageReq); - - result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, - XRC_DRAWABLE, client, DixWriteAccess); - if (result != Success) - return (result == BadValue) ? BadDrawable : result; - - result = dixLookupResourceByType((pointer *)&gc, stuff->gc, - XRT_GC, client, DixReadAccess); - if (result != Success) - return result; - - result = dixLookupResourceByType((pointer *)&port, stuff->port, - XvXRTPort, client, DixReadAccess); - if (result != Success) - return result; - - isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; - - x = stuff->drw_x; - y = stuff->drw_y; - - FOR_NSCREENS_BACKWARD(i) { - if(port->info[i].id) { - stuff->drawable = draw->info[i].id; - stuff->port = port->info[i].id; - stuff->gc = gc->info[i].id; - stuff->drw_x = x; - stuff->drw_y = y; - if(isRoot) { - stuff->drw_x -= screenInfo.screens[i]->x; - stuff->drw_y -= screenInfo.screens[i]->y; - } - - result = ProcXvPutStill(client); - } - } - return result; -} - -static Bool -isImageAdaptor(XvAdaptorPtr pAdapt) -{ - return (pAdapt->type & XvImageMask) && (pAdapt->nImages > 0); -} - -static Bool -hasOverlay(XvAdaptorPtr pAdapt) -{ - int i; - for(i = 0; i < pAdapt->nAttributes; i++) - if(!strcmp(pAdapt->pAttributes[i].name, "XV_COLORKEY")) - return TRUE; - return FALSE; -} - -static XvAdaptorPtr -matchAdaptor(ScreenPtr pScreen, XvAdaptorPtr refAdapt, Bool isOverlay) -{ - int i; - XvScreenPtr xvsp = dixLookupPrivate(&pScreen->devPrivates, XvGetScreenKey()); - /* Do not try to go on if xv is not supported on this screen */ - if(xvsp == NULL) - return NULL; - - /* if the adaptor has the same name it's a perfect match */ - for(i = 0; i < xvsp->nAdaptors; i++) { - XvAdaptorPtr pAdapt = xvsp->pAdaptors + i; - if(!strcmp(refAdapt->name, pAdapt->name)) - return pAdapt; - } - - /* otherwise we only look for XvImage adaptors */ - if(!isImageAdaptor(refAdapt)) - return NULL; - - /* prefer overlay/overlay non-overlay/non-overlay pairing */ - for(i = 0; i < xvsp->nAdaptors; i++) { - XvAdaptorPtr pAdapt = xvsp->pAdaptors + i; - if(isImageAdaptor(pAdapt) && isOverlay == hasOverlay(pAdapt)) - return pAdapt; - } - - /* but we'll take any XvImage pairing if we can get it */ - for(i = 0; i < xvsp->nAdaptors; i++) { - XvAdaptorPtr pAdapt = xvsp->pAdaptors + i; - if(isImageAdaptor(pAdapt)) - return pAdapt; - } - return NULL; -} - -void XineramifyXv(void) -{ - XvScreenPtr xvsp0 = dixLookupPrivate(&screenInfo.screens[0]->devPrivates, XvGetScreenKey()); - XvAdaptorPtr MatchingAdaptors[MAXSCREENS]; - int i, j, k; - - XvXRTPort = CreateNewResourceType(XineramaDeleteResource, "XvXRTPort"); - - if (!xvsp0 || !XvXRTPort) return; - SetResourceTypeErrorValue(XvXRTPort, _XvBadPort); - - for(i = 0; i < xvsp0->nAdaptors; i++) { - Bool isOverlay; - XvAdaptorPtr refAdapt = xvsp0->pAdaptors + i; - if(!(refAdapt->type & XvInputMask)) continue; - - MatchingAdaptors[0] = refAdapt; - isOverlay = hasOverlay(refAdapt); - FOR_NSCREENS_FORWARD_SKIP(j) - MatchingAdaptors[j] = matchAdaptor(screenInfo.screens[j], refAdapt, isOverlay); - - /* now create a resource for each port */ - for(j = 0; j < refAdapt->nPorts; j++) { - PanoramiXRes *port = malloc(sizeof(PanoramiXRes)); - if(!port) - break; - - FOR_NSCREENS(k) { - if(MatchingAdaptors[k] && (MatchingAdaptors[k]->nPorts > j)) - port->info[k].id = MatchingAdaptors[k]->base_id + j; - else - port->info[k].id = 0; - } - AddResource(port->info[0].id, XvXRTPort, port); - } - } - - /* munge the dispatch vector */ - XvProcVector[xv_PutVideo] = XineramaXvPutVideo; - XvProcVector[xv_PutStill] = XineramaXvPutStill; - XvProcVector[xv_StopVideo] = XineramaXvStopVideo; - XvProcVector[xv_SetPortAttribute] = XineramaXvSetPortAttribute; - XvProcVector[xv_PutImage] = XineramaXvPutImage; - XvProcVector[xv_ShmPutImage] = XineramaXvShmPutImage; -} -#endif /* PANORAMIX */ - -void -XvResetProcVector(void) -{ -#ifdef PANORAMIX - XvProcVector[xv_PutVideo] = ProcXvPutVideo; - XvProcVector[xv_PutStill] = ProcXvPutStill; - XvProcVector[xv_StopVideo] = ProcXvStopVideo; - XvProcVector[xv_SetPortAttribute] = ProcXvSetPortAttribute; - XvProcVector[xv_PutImage] = ProcXvPutImage; - XvProcVector[xv_ShmPutImage] = ProcXvShmPutImage; -#endif -} +/*********************************************************** +Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts, +and the Massachusetts Institute of Technology, Cambridge, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +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 names of Digital or MIT not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL 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 +#endif + +#include + +#include +#include +#include "misc.h" +#include "scrnintstr.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "gcstruct.h" +#include "dixstruct.h" +#include "resource.h" +#include "opaque.h" + +#include +#include +#include "xvdix.h" +#ifdef MITSHM +#include +#endif + +#include "xvdisp.h" + +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" + +unsigned long XvXRTPort; +#endif + +static int +SWriteQueryExtensionReply( + ClientPtr client, + xvQueryExtensionReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swaps(&rep->version, n); + swaps(&rep->revision, n); + + (void)WriteToClient(client, sz_xvQueryExtensionReply, (char *)rep); + + return Success; +} + +static int +SWriteQueryAdaptorsReply( + ClientPtr client, + xvQueryAdaptorsReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swaps(&rep->num_adaptors, n); + + (void)WriteToClient(client, sz_xvQueryAdaptorsReply, (char *)rep); + + return Success; +} + +static int +SWriteQueryEncodingsReply( + ClientPtr client, + xvQueryEncodingsReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swaps(&rep->num_encodings, n); + + (void)WriteToClient(client, sz_xvQueryEncodingsReply, (char *)rep); + + return Success; +} + +static int +SWriteAdaptorInfo( + ClientPtr client, + xvAdaptorInfo *pAdaptor +){ + char n; + + swapl(&pAdaptor->base_id, n); + swaps(&pAdaptor->name_size, n); + swaps(&pAdaptor->num_ports, n); + swaps(&pAdaptor->num_formats, n); + + (void)WriteToClient(client, sz_xvAdaptorInfo, (char *)pAdaptor); + + return Success; +} + +static int +SWriteEncodingInfo( + ClientPtr client, + xvEncodingInfo *pEncoding +){ + char n; + + swapl(&pEncoding->encoding, n); + swaps(&pEncoding->name_size, n); + swaps(&pEncoding->width, n); + swaps(&pEncoding->height, n); + swapl(&pEncoding->rate.numerator, n); + swapl(&pEncoding->rate.denominator, n); + (void)WriteToClient(client, sz_xvEncodingInfo, (char *)pEncoding); + + return Success; +} + +static int +SWriteFormat( + ClientPtr client, + xvFormat *pFormat +){ + char n; + + swapl(&pFormat->visual, n); + (void)WriteToClient(client, sz_xvFormat, (char *)pFormat); + + return Success; +} + +static int +SWriteAttributeInfo( + ClientPtr client, + xvAttributeInfo *pAtt +){ + char n; + + swapl(&pAtt->flags, n); + swapl(&pAtt->size, n); + swapl(&pAtt->min, n); + swapl(&pAtt->max, n); + (void)WriteToClient(client, sz_xvAttributeInfo, (char *)pAtt); + + return Success; +} + +static int +SWriteImageFormatInfo( + ClientPtr client, + xvImageFormatInfo *pImage +){ + char n; + + swapl(&pImage->id, n); + swapl(&pImage->red_mask, n); + swapl(&pImage->green_mask, n); + swapl(&pImage->blue_mask, n); + swapl(&pImage->y_sample_bits, n); + swapl(&pImage->u_sample_bits, n); + swapl(&pImage->v_sample_bits, n); + swapl(&pImage->horz_y_period, n); + swapl(&pImage->horz_u_period, n); + swapl(&pImage->horz_v_period, n); + swapl(&pImage->vert_y_period, n); + swapl(&pImage->vert_u_period, n); + swapl(&pImage->vert_v_period, n); + + (void)WriteToClient(client, sz_xvImageFormatInfo, (char *)pImage); + + return Success; +} + +static int +SWriteGrabPortReply( + ClientPtr client, + xvGrabPortReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + + (void)WriteToClient(client, sz_xvGrabPortReply, (char *)rep); + + return Success; +} + +static int +SWriteGetPortAttributeReply( + ClientPtr client, + xvGetPortAttributeReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swapl(&rep->value, n); + + (void)WriteToClient(client, sz_xvGetPortAttributeReply, (char *)rep); + + return Success; +} + +static int +SWriteQueryBestSizeReply( + ClientPtr client, + xvQueryBestSizeReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swaps(&rep->actual_width, n); + swaps(&rep->actual_height, n); + + (void)WriteToClient(client, sz_xvQueryBestSizeReply, (char *)rep); + + return Success; +} + +static int +SWriteQueryPortAttributesReply( + ClientPtr client, + xvQueryPortAttributesReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swapl(&rep->num_attributes, n); + swapl(&rep->text_size, n); + + (void)WriteToClient(client, sz_xvQueryPortAttributesReply, (char *)rep); + + return Success; +} + +static int +SWriteQueryImageAttributesReply( + ClientPtr client, + xvQueryImageAttributesReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swapl(&rep->num_planes, n); + swapl(&rep->data_size, n); + swaps(&rep->width, n); + swaps(&rep->height, n); + + (void)WriteToClient(client, sz_xvQueryImageAttributesReply, (char *)rep); + + return Success; +} + +static int +SWriteListImageFormatsReply( + ClientPtr client, + xvListImageFormatsReply *rep +){ + char n; + + swaps(&rep->sequenceNumber, n); + swapl(&rep->length, n); + swapl(&rep->num_formats, n); + + (void)WriteToClient(client, sz_xvListImageFormatsReply, (char *)rep); + + return Success; +} + +#define _WriteQueryAdaptorsReply(_c,_d) \ + if ((_c)->swapped) SWriteQueryAdaptorsReply(_c, _d); \ + else WriteToClient(_c, sz_xvQueryAdaptorsReply, (char*)_d) + +#define _WriteQueryExtensionReply(_c,_d) \ + if ((_c)->swapped) SWriteQueryExtensionReply(_c, _d); \ + else WriteToClient(_c, sz_xvQueryExtensionReply, (char*)_d) + +#define _WriteQueryEncodingsReply(_c,_d) \ + if ((_c)->swapped) SWriteQueryEncodingsReply(_c, _d); \ + else WriteToClient(_c, sz_xvQueryEncodingsReply, (char*)_d) + +#define _WriteAdaptorInfo(_c,_d) \ + if ((_c)->swapped) SWriteAdaptorInfo(_c, _d); \ + else WriteToClient(_c, sz_xvAdaptorInfo, (char*)_d) + +#define _WriteAttributeInfo(_c,_d) \ + if ((_c)->swapped) SWriteAttributeInfo(_c, _d); \ + else WriteToClient(_c, sz_xvAttributeInfo, (char*)_d) + +#define _WriteEncodingInfo(_c,_d) \ + if ((_c)->swapped) SWriteEncodingInfo(_c, _d); \ + else WriteToClient(_c, sz_xvEncodingInfo, (char*)_d) + +#define _WriteFormat(_c,_d) \ + if ((_c)->swapped) SWriteFormat(_c, _d); \ + else WriteToClient(_c, sz_xvFormat, (char*)_d) + +#define _WriteGrabPortReply(_c,_d) \ + if ((_c)->swapped) SWriteGrabPortReply(_c, _d); \ + else WriteToClient(_c, sz_xvGrabPortReply, (char*)_d) + +#define _WriteGetPortAttributeReply(_c,_d) \ + if ((_c)->swapped) SWriteGetPortAttributeReply(_c, _d); \ + else WriteToClient(_c, sz_xvGetPortAttributeReply, (char*)_d) + +#define _WriteQueryBestSizeReply(_c,_d) \ + if ((_c)->swapped) SWriteQueryBestSizeReply(_c, _d); \ + else WriteToClient(_c, sz_xvQueryBestSizeReply,(char*) _d) + +#define _WriteQueryPortAttributesReply(_c,_d) \ + if ((_c)->swapped) SWriteQueryPortAttributesReply(_c, _d); \ + else WriteToClient(_c, sz_xvQueryPortAttributesReply,(char*) _d) + +#define _WriteQueryImageAttributesReply(_c,_d) \ + if ((_c)->swapped) SWriteQueryImageAttributesReply(_c, _d); \ + else WriteToClient(_c, sz_xvQueryImageAttributesReply,(char*) _d) + +#define _WriteListImageFormatsReply(_c,_d) \ + if ((_c)->swapped) SWriteListImageFormatsReply(_c, _d); \ + else WriteToClient(_c, sz_xvListImageFormatsReply,(char*) _d) + +#define _WriteImageFormatInfo(_c,_d) \ + if ((_c)->swapped) SWriteImageFormatInfo(_c, _d); \ + else WriteToClient(_c, sz_xvImageFormatInfo, (char*)_d) + +#define _AllocatePort(_i,_p) \ + ((_p)->id != _i) ? (* (_p)->pAdaptor->ddAllocatePort)(_i,_p,&_p) : Success + +static int +ProcXvQueryExtension(ClientPtr client) +{ + xvQueryExtensionReply rep; + /* REQUEST(xvQueryExtensionReq); */ + REQUEST_SIZE_MATCH(xvQueryExtensionReq); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.version = XvVersion; + rep.revision = XvRevision; + + _WriteQueryExtensionReply(client, &rep); + + return Success; +} + +static int +ProcXvQueryAdaptors(ClientPtr client) +{ + xvFormat format; + xvAdaptorInfo ainfo; + xvQueryAdaptorsReply rep; + int totalSize, na, nf, rc; + int nameSize; + XvAdaptorPtr pa; + XvFormatPtr pf; + WindowPtr pWin; + ScreenPtr pScreen; + XvScreenPtr pxvs; + + REQUEST(xvQueryAdaptorsReq); + REQUEST_SIZE_MATCH(xvQueryAdaptorsReq); + + rc = dixLookupWindow(&pWin, stuff->window, client, DixGetAttrAccess); + if (rc != Success) + return rc; + + pScreen = pWin->drawable.pScreen; + pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, + XvGetScreenKey()); + if (!pxvs) + { + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num_adaptors = 0; + rep.length = 0; + + _WriteQueryAdaptorsReply(client, &rep); + + return Success; + } + + (* pxvs->ddQueryAdaptors)(pScreen, &pxvs->pAdaptors, &pxvs->nAdaptors); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num_adaptors = pxvs->nAdaptors; + + /* CALCULATE THE TOTAL SIZE OF THE REPLY IN BYTES */ + + totalSize = pxvs->nAdaptors * sz_xvAdaptorInfo; + + /* FOR EACH ADPATOR ADD UP THE BYTES FOR ENCODINGS AND FORMATS */ + + na = pxvs->nAdaptors; + pa = pxvs->pAdaptors; + while (na--) + { + totalSize += pad_to_int32(strlen(pa->name)); + totalSize += pa->nFormats * sz_xvFormat; + pa++; + } + + rep.length = bytes_to_int32(totalSize); + + _WriteQueryAdaptorsReply(client, &rep); + + na = pxvs->nAdaptors; + pa = pxvs->pAdaptors; + while (na--) + { + + ainfo.base_id = pa->base_id; + ainfo.num_ports = pa->nPorts; + ainfo.type = pa->type; + ainfo.name_size = nameSize = strlen(pa->name); + ainfo.num_formats = pa->nFormats; + + _WriteAdaptorInfo(client, &ainfo); + + WriteToClient(client, nameSize, pa->name); + + nf = pa->nFormats; + pf = pa->pFormats; + while (nf--) + { + format.depth = pf->depth; + format.visual = pf->visual; + _WriteFormat(client, &format); + pf++; + } + + pa++; + + } + + return Success; +} + +static int +ProcXvQueryEncodings(ClientPtr client) +{ + xvEncodingInfo einfo; + xvQueryEncodingsReply rep; + int totalSize; + int nameSize; + XvPortPtr pPort; + int ne; + XvEncodingPtr pe; + int status; + + REQUEST(xvQueryEncodingsReq); + REQUEST_SIZE_MATCH(xvQueryEncodingsReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num_encodings = pPort->pAdaptor->nEncodings; + + /* FOR EACH ENCODING ADD UP THE BYTES FOR ENCODING NAMES */ + + ne = pPort->pAdaptor->nEncodings; + pe = pPort->pAdaptor->pEncodings; + totalSize = ne * sz_xvEncodingInfo; + while (ne--) + { + totalSize += pad_to_int32(strlen(pe->name)); + pe++; + } + + rep.length = bytes_to_int32(totalSize); + + _WriteQueryEncodingsReply(client, &rep); + + ne = pPort->pAdaptor->nEncodings; + pe = pPort->pAdaptor->pEncodings; + while (ne--) + { + einfo.encoding = pe->id; + einfo.name_size = nameSize = strlen(pe->name); + einfo.width = pe->width; + einfo.height = pe->height; + einfo.rate.numerator = pe->rate.numerator; + einfo.rate.denominator = pe->rate.denominator; + _WriteEncodingInfo(client, &einfo); + WriteToClient(client, nameSize, pe->name); + pe++; + } + + return Success; +} + +static int +ProcXvPutVideo(ClientPtr client) +{ + DrawablePtr pDraw; + XvPortPtr pPort; + GCPtr pGC; + int status; + + REQUEST(xvPutVideoReq); + REQUEST_SIZE_MATCH(xvPutVideoReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!(pPort->pAdaptor->type & XvInputMask) || + !(pPort->pAdaptor->type & XvVideoMask)) + { + client->errorValue = stuff->port; + return BadMatch; + } + + status = XvdiMatchPort(pPort, pDraw); + if (status != Success) + { + return status; + } + + return XvdiPutVideo(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y, + stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y, + stuff->drw_w, stuff->drw_h); +} + +static int +ProcXvPutStill(ClientPtr client) +{ + DrawablePtr pDraw; + XvPortPtr pPort; + GCPtr pGC; + int status; + + REQUEST(xvPutStillReq); + REQUEST_SIZE_MATCH(xvPutStillReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!(pPort->pAdaptor->type & XvInputMask) || + !(pPort->pAdaptor->type & XvStillMask)) + { + client->errorValue = stuff->port; + return BadMatch; + } + + status = XvdiMatchPort(pPort, pDraw); + if (status != Success) + { + return status; + } + + return XvdiPutStill(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y, + stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y, + stuff->drw_w, stuff->drw_h); +} + +static int +ProcXvGetVideo(ClientPtr client) +{ + DrawablePtr pDraw; + XvPortPtr pPort; + GCPtr pGC; + int status; + + REQUEST(xvGetVideoReq); + REQUEST_SIZE_MATCH(xvGetVideoReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixReadAccess); + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!(pPort->pAdaptor->type & XvOutputMask) || + !(pPort->pAdaptor->type & XvVideoMask)) + { + client->errorValue = stuff->port; + return BadMatch; + } + + status = XvdiMatchPort(pPort, pDraw); + if (status != Success) + { + return status; + } + + return XvdiGetVideo(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y, + stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y, + stuff->drw_w, stuff->drw_h); +} + +static int +ProcXvGetStill(ClientPtr client) +{ + DrawablePtr pDraw; + XvPortPtr pPort; + GCPtr pGC; + int status; + + REQUEST(xvGetStillReq); + REQUEST_SIZE_MATCH(xvGetStillReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixReadAccess); + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!(pPort->pAdaptor->type & XvOutputMask) || + !(pPort->pAdaptor->type & XvStillMask)) + { + client->errorValue = stuff->port; + return BadMatch; + } + + status = XvdiMatchPort(pPort, pDraw); + if (status != Success) + { + return status; + } + + return XvdiGetStill(client, pDraw, pPort, pGC, stuff->vid_x, stuff->vid_y, + stuff->vid_w, stuff->vid_h, stuff->drw_x, stuff->drw_y, + stuff->drw_w, stuff->drw_h); +} + +static int +ProcXvSelectVideoNotify(ClientPtr client) +{ + DrawablePtr pDraw; + int rc; + REQUEST(xvSelectVideoNotifyReq); + REQUEST_SIZE_MATCH(xvSelectVideoNotifyReq); + + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixReceiveAccess); + if (rc != Success) + return rc; + + return XvdiSelectVideoNotify(client, pDraw, stuff->onoff); +} + +static int +ProcXvSelectPortNotify(ClientPtr client) +{ + int status; + XvPortPtr pPort; + REQUEST(xvSelectPortNotifyReq); + REQUEST_SIZE_MATCH(xvSelectPortNotifyReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + return XvdiSelectPortNotify(client, pPort, stuff->onoff); +} + +static int +ProcXvGrabPort(ClientPtr client) +{ + int result, status; + XvPortPtr pPort; + xvGrabPortReply rep; + REQUEST(xvGrabPortReq); + REQUEST_SIZE_MATCH(xvGrabPortReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + status = XvdiGrabPort(client, pPort, stuff->time, &result); + + if (status != Success) + { + return status; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.result = result; + + _WriteGrabPortReply(client, &rep); + + return Success; +} + +static int +ProcXvUngrabPort(ClientPtr client) +{ + int status; + XvPortPtr pPort; + REQUEST(xvGrabPortReq); + REQUEST_SIZE_MATCH(xvGrabPortReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + return XvdiUngrabPort(client, pPort, stuff->time); +} + +static int +ProcXvStopVideo(ClientPtr client) +{ + int status, rc; + DrawablePtr pDraw; + XvPortPtr pPort; + REQUEST(xvStopVideoReq); + REQUEST_SIZE_MATCH(xvStopVideoReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + rc = dixLookupDrawable(&pDraw, stuff->drawable, client, 0, DixWriteAccess); + if (rc != Success) + return rc; + + return XvdiStopVideo(client, pPort, pDraw); +} + +static int +ProcXvSetPortAttribute(ClientPtr client) +{ + int status; + XvPortPtr pPort; + REQUEST(xvSetPortAttributeReq); + REQUEST_SIZE_MATCH(xvSetPortAttributeReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixSetAttrAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!ValidAtom(stuff->attribute)) + { + client->errorValue = stuff->attribute; + return BadAtom; + } + + status = XvdiSetPortAttribute(client, pPort, stuff->attribute, stuff->value); + + if (status == BadMatch) + client->errorValue = stuff->attribute; + else + client->errorValue = stuff->value; + + return status; +} + +static int +ProcXvGetPortAttribute(ClientPtr client) +{ + INT32 value; + int status; + XvPortPtr pPort; + xvGetPortAttributeReply rep; + REQUEST(xvGetPortAttributeReq); + REQUEST_SIZE_MATCH(xvGetPortAttributeReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixGetAttrAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!ValidAtom(stuff->attribute)) + { + client->errorValue = stuff->attribute; + return BadAtom; + } + + status = XvdiGetPortAttribute(client, pPort, stuff->attribute, &value); + if (status != Success) + { + client->errorValue = stuff->attribute; + return status; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.value = value; + + _WriteGetPortAttributeReply(client, &rep); + + return Success; +} + +static int +ProcXvQueryBestSize(ClientPtr client) +{ + int status; + unsigned int actual_width, actual_height; + XvPortPtr pPort; + xvQueryBestSizeReply rep; + REQUEST(xvQueryBestSizeReq); + REQUEST_SIZE_MATCH(xvQueryBestSizeReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + + (* pPort->pAdaptor->ddQueryBestSize)(client, pPort, stuff->motion, + stuff->vid_w, stuff->vid_h, + stuff->drw_w, stuff->drw_h, + &actual_width, &actual_height); + + rep.actual_width = actual_width; + rep.actual_height = actual_height; + + _WriteQueryBestSizeReply(client, &rep); + + return Success; +} + + +static int +ProcXvQueryPortAttributes(ClientPtr client) +{ + int status, size, i; + XvPortPtr pPort; + XvAttributePtr pAtt; + xvQueryPortAttributesReply rep; + xvAttributeInfo Info; + REQUEST(xvQueryPortAttributesReq); + REQUEST_SIZE_MATCH(xvQueryPortAttributesReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixGetAttrAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num_attributes = pPort->pAdaptor->nAttributes; + rep.text_size = 0; + + for(i = 0, pAtt = pPort->pAdaptor->pAttributes; + i < pPort->pAdaptor->nAttributes; i++, pAtt++) + { + rep.text_size += pad_to_int32(strlen(pAtt->name) + 1); + } + + rep.length = (pPort->pAdaptor->nAttributes * sz_xvAttributeInfo) + + rep.text_size; + rep.length >>= 2; + + _WriteQueryPortAttributesReply(client, &rep); + + for(i = 0, pAtt = pPort->pAdaptor->pAttributes; + i < pPort->pAdaptor->nAttributes; i++, pAtt++) + { + size = strlen(pAtt->name) + 1; /* pass the NULL */ + Info.flags = pAtt->flags; + Info.min = pAtt->min_value; + Info.max = pAtt->max_value; + Info.size = pad_to_int32(size); + + _WriteAttributeInfo(client, &Info); + + WriteToClient(client, size, pAtt->name); + } + + return Success; +} + +static int +ProcXvPutImage(ClientPtr client) +{ + DrawablePtr pDraw; + XvPortPtr pPort; + XvImagePtr pImage = NULL; + GCPtr pGC; + int status, i, size; + CARD16 width, height; + + REQUEST(xvPutImageReq); + REQUEST_AT_LEAST_SIZE(xvPutImageReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!(pPort->pAdaptor->type & XvImageMask) || + !(pPort->pAdaptor->type & XvInputMask)) + { + client->errorValue = stuff->port; + return BadMatch; + } + + status = XvdiMatchPort(pPort, pDraw); + if (status != Success) + { + return status; + } + + for(i = 0; i < pPort->pAdaptor->nImages; i++) { + if(pPort->pAdaptor->pImages[i].id == stuff->id) { + pImage = &(pPort->pAdaptor->pImages[i]); + break; + } + } + + if(!pImage) + return BadMatch; + + width = stuff->width; + height = stuff->height; + size = (*pPort->pAdaptor->ddQueryImageAttributes)(client, + pPort, pImage, &width, &height, NULL, NULL); + size += sizeof(xvPutImageReq); + size = bytes_to_int32(size); + + if((width < stuff->width) || (height < stuff->height)) + return BadValue; + + if(client->req_len < size) + return BadLength; + + return XvdiPutImage(client, pDraw, pPort, pGC, stuff->src_x, stuff->src_y, + stuff->src_w, stuff->src_h, stuff->drw_x, stuff->drw_y, + stuff->drw_w, stuff->drw_h, pImage, + (unsigned char*)(&stuff[1]), FALSE, + stuff->width, stuff->height); +} + +#ifdef MITSHM +/* redefined here since it's not in any header file */ +typedef struct _ShmDesc { + struct _ShmDesc *next; + int shmid; + int refcnt; + char *addr; + Bool writable; + unsigned long size; +} ShmDescRec, *ShmDescPtr; + +extern RESTYPE ShmSegType; +extern int ShmCompletionCode; + +static int +ProcXvShmPutImage(ClientPtr client) +{ + ShmDescPtr shmdesc; + DrawablePtr pDraw; + XvPortPtr pPort; + XvImagePtr pImage = NULL; + GCPtr pGC; + int status, size_needed, i; + CARD16 width, height; + + REQUEST(xvShmPutImageReq); + REQUEST_SIZE_MATCH(xvShmPutImageReq); + + VALIDATE_DRAWABLE_AND_GC(stuff->drawable, pDraw, DixWriteAccess); + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if ((status = _AllocatePort(stuff->port, pPort)) != Success) + { + client->errorValue = stuff->port; + return status; + } + + if (!(pPort->pAdaptor->type & XvImageMask) || + !(pPort->pAdaptor->type & XvInputMask)) + { + client->errorValue = stuff->port; + return BadMatch; + } + + status = XvdiMatchPort(pPort, pDraw); + if (status != Success) + { + return status; + } + + for(i = 0; i < pPort->pAdaptor->nImages; i++) { + if(pPort->pAdaptor->pImages[i].id == stuff->id) { + pImage = &(pPort->pAdaptor->pImages[i]); + break; + } + } + + if(!pImage) + return BadMatch; + + status = dixLookupResourceByType((pointer *)&shmdesc, stuff->shmseg, + ShmSegType, serverClient, DixReadAccess); + if (status != Success) + return status; + + width = stuff->width; + height = stuff->height; + size_needed = (*pPort->pAdaptor->ddQueryImageAttributes)(client, + pPort, pImage, &width, &height, NULL, NULL); + if((size_needed + stuff->offset) > shmdesc->size) + return BadAccess; + + if((width < stuff->width) || (height < stuff->height)) + return BadValue; + + status = XvdiPutImage(client, pDraw, pPort, pGC, stuff->src_x, stuff->src_y, + stuff->src_w, stuff->src_h, stuff->drw_x, stuff->drw_y, + stuff->drw_w, stuff->drw_h, pImage, + (unsigned char *)shmdesc->addr + stuff->offset, + stuff->send_event, stuff->width, stuff->height); + + if((status == Success) && stuff->send_event) { + xShmCompletionEvent ev; + + ev.type = ShmCompletionCode; + ev.drawable = stuff->drawable; + ev.minorEvent = xv_ShmPutImage; + ev.majorEvent = XvReqCode; + ev.shmseg = stuff->shmseg; + ev.offset = stuff->offset; + WriteEventsToClient(client, 1, (xEvent *) &ev); + } + + return status; +} +#else /* !MITSHM */ +static int +ProcXvShmPutImage(ClientPtr client) +{ + SendErrorToClient(client, XvReqCode, xv_ShmPutImage, 0, BadImplementation); + return BadImplementation; +} +#endif + +#ifdef XvMCExtension +#include "xvmcext.h" +#endif + +static int +ProcXvQueryImageAttributes(ClientPtr client) +{ + xvQueryImageAttributesReply rep; + int size, num_planes, i; + CARD16 width, height; + XvImagePtr pImage = NULL; + XvPortPtr pPort; + int *offsets; + int *pitches; + int planeLength; + REQUEST(xvQueryImageAttributesReq); + + REQUEST_SIZE_MATCH(xvQueryImageAttributesReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + for(i = 0; i < pPort->pAdaptor->nImages; i++) { + if(pPort->pAdaptor->pImages[i].id == stuff->id) { + pImage = &(pPort->pAdaptor->pImages[i]); + break; + } + } + +#ifdef XvMCExtension + if(!pImage) + pImage = XvMCFindXvImage(pPort, stuff->id); +#endif + + if(!pImage) + return BadMatch; + + num_planes = pImage->num_planes; + + if(!(offsets = malloc(num_planes << 3))) + return BadAlloc; + pitches = offsets + num_planes; + + width = stuff->width; + height = stuff->height; + + size = (*pPort->pAdaptor->ddQueryImageAttributes)(client, pPort, pImage, + &width, &height, offsets, pitches); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = planeLength = num_planes << 1; + rep.num_planes = num_planes; + rep.width = width; + rep.height = height; + rep.data_size = size; + + _WriteQueryImageAttributesReply(client, &rep); + if(client->swapped) + SwapLongs((CARD32*)offsets, planeLength); + WriteToClient(client, planeLength << 2, (char*)offsets); + + free(offsets); + + return Success; +} + +static int +ProcXvListImageFormats(ClientPtr client) +{ + XvPortPtr pPort; + XvImagePtr pImage; + int i; + xvListImageFormatsReply rep; + xvImageFormatInfo info; + REQUEST(xvListImageFormatsReq); + + REQUEST_SIZE_MATCH(xvListImageFormatsReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num_formats = pPort->pAdaptor->nImages; + rep.length = bytes_to_int32(pPort->pAdaptor->nImages * sz_xvImageFormatInfo); + + _WriteListImageFormatsReply(client, &rep); + + pImage = pPort->pAdaptor->pImages; + + for(i = 0; i < pPort->pAdaptor->nImages; i++, pImage++) { + info.id = pImage->id; + info.type = pImage->type; + info.byte_order = pImage->byte_order; + memcpy(&info.guid, pImage->guid, 16); + info.bpp = pImage->bits_per_pixel; + info.num_planes = pImage->num_planes; + info.depth = pImage->depth; + info.red_mask = pImage->red_mask; + info.green_mask = pImage->green_mask; + info.blue_mask = pImage->blue_mask; + info.format = pImage->format; + info.y_sample_bits = pImage->y_sample_bits; + info.u_sample_bits = pImage->u_sample_bits; + info.v_sample_bits = pImage->v_sample_bits; + info.horz_y_period = pImage->horz_y_period; + info.horz_u_period = pImage->horz_u_period; + info.horz_v_period = pImage->horz_v_period; + info.vert_y_period = pImage->vert_y_period; + info.vert_u_period = pImage->vert_u_period; + info.vert_v_period = pImage->vert_v_period; + memcpy(&info.comp_order, pImage->component_order, 32); + info.scanline_order = pImage->scanline_order; + _WriteImageFormatInfo(client, &info); + } + + return Success; +} + +static int (*XvProcVector[xvNumRequests])(ClientPtr) = { + ProcXvQueryExtension, + ProcXvQueryAdaptors, + ProcXvQueryEncodings, + ProcXvGrabPort, + ProcXvUngrabPort, + ProcXvPutVideo, + ProcXvPutStill, + ProcXvGetVideo, + ProcXvGetStill, + ProcXvStopVideo, + ProcXvSelectVideoNotify, + ProcXvSelectPortNotify, + ProcXvQueryBestSize, + ProcXvSetPortAttribute, + ProcXvGetPortAttribute, + ProcXvQueryPortAttributes, + ProcXvListImageFormats, + ProcXvQueryImageAttributes, + ProcXvPutImage, + ProcXvShmPutImage, +}; + +int +ProcXvDispatch(ClientPtr client) +{ + REQUEST(xReq); + + UpdateCurrentTime(); + + if (stuff->data > xvNumRequests) { + SendErrorToClient(client, XvReqCode, stuff->data, 0, BadRequest); + return BadRequest; + } + + return XvProcVector[stuff->data](client); +} + +/* Swapped Procs */ + +static int +SProcXvQueryExtension(ClientPtr client) +{ + char n; + REQUEST(xvQueryExtensionReq); + swaps(&stuff->length, n); + return XvProcVector[xv_QueryExtension](client); +} + +static int +SProcXvQueryAdaptors(ClientPtr client) +{ + char n; + REQUEST(xvQueryAdaptorsReq); + swaps(&stuff->length, n); + swapl(&stuff->window, n); + return XvProcVector[xv_QueryAdaptors](client); +} + +static int +SProcXvQueryEncodings(ClientPtr client) +{ + char n; + REQUEST(xvQueryEncodingsReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + return XvProcVector[xv_QueryEncodings](client); +} + +static int +SProcXvGrabPort(ClientPtr client) +{ + char n; + REQUEST(xvGrabPortReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->time, n); + return XvProcVector[xv_GrabPort](client); +} + +static int +SProcXvUngrabPort(ClientPtr client) +{ + char n; + REQUEST(xvUngrabPortReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->time, n); + return XvProcVector[xv_UngrabPort](client); +} + +static int +SProcXvPutVideo(ClientPtr client) +{ + char n; + REQUEST(xvPutVideoReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swaps(&stuff->vid_x, n); + swaps(&stuff->vid_y, n); + swaps(&stuff->vid_w, n); + swaps(&stuff->vid_h, n); + swaps(&stuff->drw_x, n); + swaps(&stuff->drw_y, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + return XvProcVector[xv_PutVideo](client); +} + +static int +SProcXvPutStill(ClientPtr client) +{ + char n; + REQUEST(xvPutStillReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swaps(&stuff->vid_x, n); + swaps(&stuff->vid_y, n); + swaps(&stuff->vid_w, n); + swaps(&stuff->vid_h, n); + swaps(&stuff->drw_x, n); + swaps(&stuff->drw_y, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + return XvProcVector[xv_PutStill](client); +} + +static int +SProcXvGetVideo(ClientPtr client) +{ + char n; + REQUEST(xvGetVideoReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swaps(&stuff->vid_x, n); + swaps(&stuff->vid_y, n); + swaps(&stuff->vid_w, n); + swaps(&stuff->vid_h, n); + swaps(&stuff->drw_x, n); + swaps(&stuff->drw_y, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + return XvProcVector[xv_GetVideo](client); +} + +static int +SProcXvGetStill(ClientPtr client) +{ + char n; + REQUEST(xvGetStillReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swaps(&stuff->vid_x, n); + swaps(&stuff->vid_y, n); + swaps(&stuff->vid_w, n); + swaps(&stuff->vid_h, n); + swaps(&stuff->drw_x, n); + swaps(&stuff->drw_y, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + return XvProcVector[xv_GetStill](client); +} + +static int +SProcXvPutImage(ClientPtr client) +{ + char n; + REQUEST(xvPutImageReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swapl(&stuff->id, n); + swaps(&stuff->src_x, n); + swaps(&stuff->src_y, n); + swaps(&stuff->src_w, n); + swaps(&stuff->src_h, n); + swaps(&stuff->drw_x, n); + swaps(&stuff->drw_y, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + swaps(&stuff->width, n); + swaps(&stuff->height, n); + return XvProcVector[xv_PutImage](client); +} + +#ifdef MITSHM +static int +SProcXvShmPutImage(ClientPtr client) +{ + char n; + REQUEST(xvShmPutImageReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + swapl(&stuff->gc, n); + swapl(&stuff->shmseg, n); + swapl(&stuff->id, n); + swapl(&stuff->offset, n); + swaps(&stuff->src_x, n); + swaps(&stuff->src_y, n); + swaps(&stuff->src_w, n); + swaps(&stuff->src_h, n); + swaps(&stuff->drw_x, n); + swaps(&stuff->drw_y, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + swaps(&stuff->width, n); + swaps(&stuff->height, n); + return XvProcVector[xv_ShmPutImage](client); +} +#else /* MITSHM */ +#define SProcXvShmPutImage ProcXvShmPutImage +#endif + +static int +SProcXvSelectVideoNotify(ClientPtr client) +{ + char n; + REQUEST(xvSelectVideoNotifyReq); + swaps(&stuff->length, n); + swapl(&stuff->drawable, n); + return XvProcVector[xv_SelectVideoNotify](client); +} + +static int +SProcXvSelectPortNotify(ClientPtr client) +{ + char n; + REQUEST(xvSelectPortNotifyReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + return XvProcVector[xv_SelectPortNotify](client); +} + +static int +SProcXvStopVideo(ClientPtr client) +{ + char n; + REQUEST(xvStopVideoReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->drawable, n); + return XvProcVector[xv_StopVideo](client); +} + +static int +SProcXvSetPortAttribute(ClientPtr client) +{ + char n; + REQUEST(xvSetPortAttributeReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->attribute, n); + swapl(&stuff->value, n); + return XvProcVector[xv_SetPortAttribute](client); +} + +static int +SProcXvGetPortAttribute(ClientPtr client) +{ + char n; + REQUEST(xvGetPortAttributeReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->attribute, n); + return XvProcVector[xv_GetPortAttribute](client); +} + +static int +SProcXvQueryBestSize(ClientPtr client) +{ + char n; + REQUEST(xvQueryBestSizeReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swaps(&stuff->vid_w, n); + swaps(&stuff->vid_h, n); + swaps(&stuff->drw_w, n); + swaps(&stuff->drw_h, n); + return XvProcVector[xv_QueryBestSize](client); +} + +static int +SProcXvQueryPortAttributes(ClientPtr client) +{ + char n; + REQUEST(xvQueryPortAttributesReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + return XvProcVector[xv_QueryPortAttributes](client); +} + +static int +SProcXvQueryImageAttributes(ClientPtr client) +{ + char n; + REQUEST(xvQueryImageAttributesReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + swapl(&stuff->id, n); + swaps(&stuff->width, n); + swaps(&stuff->height, n); + return XvProcVector[xv_QueryImageAttributes](client); +} + +static int +SProcXvListImageFormats(ClientPtr client) +{ + char n; + REQUEST(xvListImageFormatsReq); + swaps(&stuff->length, n); + swapl(&stuff->port, n); + return XvProcVector[xv_ListImageFormats](client); +} + +static int (*SXvProcVector[xvNumRequests])(ClientPtr) = { + SProcXvQueryExtension, + SProcXvQueryAdaptors, + SProcXvQueryEncodings, + SProcXvGrabPort, + SProcXvUngrabPort, + SProcXvPutVideo, + SProcXvPutStill, + SProcXvGetVideo, + SProcXvGetStill, + SProcXvStopVideo, + SProcXvSelectVideoNotify, + SProcXvSelectPortNotify, + SProcXvQueryBestSize, + SProcXvSetPortAttribute, + SProcXvGetPortAttribute, + SProcXvQueryPortAttributes, + SProcXvListImageFormats, + SProcXvQueryImageAttributes, + SProcXvPutImage, + SProcXvShmPutImage, +}; + +int +SProcXvDispatch(ClientPtr client) +{ + REQUEST(xReq); + + UpdateCurrentTime(); + + if (stuff->data > xvNumRequests) { + SendErrorToClient(client, XvReqCode, stuff->data, 0, BadRequest); + return BadRequest; + } + + return SXvProcVector[stuff->data](client); +} + +#ifdef PANORAMIX +static int +XineramaXvStopVideo(ClientPtr client) +{ + int result, i; + PanoramiXRes *draw, *port; + REQUEST(xvStopVideoReq); + REQUEST_SIZE_MATCH(xvStopVideoReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + result = dixLookupResourceByType((pointer *)&port, stuff->port, + XvXRTPort, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(i) { + if(port->info[i].id) { + stuff->drawable = draw->info[i].id; + stuff->port = port->info[i].id; + result = ProcXvStopVideo(client); + } + } + + return result; +} + +static int +XineramaXvSetPortAttribute(ClientPtr client) +{ + REQUEST(xvSetPortAttributeReq); + PanoramiXRes *port; + int result, i; + + REQUEST_SIZE_MATCH(xvSetPortAttributeReq); + + result = dixLookupResourceByType((pointer *)&port, stuff->port, + XvXRTPort, client, DixReadAccess); + if (result != Success) + return result; + + FOR_NSCREENS_BACKWARD(i) { + if(port->info[i].id) { + stuff->port = port->info[i].id; + result = ProcXvSetPortAttribute(client); + } + } + return result; +} + +#ifdef MITSHM +static int +XineramaXvShmPutImage(ClientPtr client) +{ + REQUEST(xvShmPutImageReq); + PanoramiXRes *draw, *gc, *port; + Bool send_event = stuff->send_event; + Bool isRoot; + int result, i, x, y; + + REQUEST_SIZE_MATCH(xvShmPutImageReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, + XRT_GC, client, DixReadAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&port, stuff->port, + XvXRTPort, client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + x = stuff->drw_x; + y = stuff->drw_y; + + FOR_NSCREENS_BACKWARD(i) { + if(port->info[i].id) { + stuff->drawable = draw->info[i].id; + stuff->port = port->info[i].id; + stuff->gc = gc->info[i].id; + stuff->drw_x = x; + stuff->drw_y = y; + if(isRoot) { + stuff->drw_x -= screenInfo.screens[i]->x; + stuff->drw_y -= screenInfo.screens[i]->y; + } + stuff->send_event = (send_event && !i) ? 1 : 0; + + result = ProcXvShmPutImage(client); + } + } + return result; +} +#else +#define XineramaXvShmPutImage ProcXvShmPutImage +#endif + +static int +XineramaXvPutImage(ClientPtr client) +{ + REQUEST(xvPutImageReq); + PanoramiXRes *draw, *gc, *port; + Bool isRoot; + int result, i, x, y; + + REQUEST_AT_LEAST_SIZE(xvPutImageReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, + XRT_GC, client, DixReadAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&port, stuff->port, + XvXRTPort, client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + x = stuff->drw_x; + y = stuff->drw_y; + + FOR_NSCREENS_BACKWARD(i) { + if(port->info[i].id) { + stuff->drawable = draw->info[i].id; + stuff->port = port->info[i].id; + stuff->gc = gc->info[i].id; + stuff->drw_x = x; + stuff->drw_y = y; + if(isRoot) { + stuff->drw_x -= screenInfo.screens[i]->x; + stuff->drw_y -= screenInfo.screens[i]->y; + } + + result = ProcXvPutImage(client); + } + } + return result; +} + +static int +XineramaXvPutVideo(ClientPtr client) +{ + REQUEST(xvPutImageReq); + PanoramiXRes *draw, *gc, *port; + Bool isRoot; + int result, i, x, y; + + REQUEST_AT_LEAST_SIZE(xvPutVideoReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, + XRT_GC, client, DixReadAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&port, stuff->port, + XvXRTPort, client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + x = stuff->drw_x; + y = stuff->drw_y; + + FOR_NSCREENS_BACKWARD(i) { + if(port->info[i].id) { + stuff->drawable = draw->info[i].id; + stuff->port = port->info[i].id; + stuff->gc = gc->info[i].id; + stuff->drw_x = x; + stuff->drw_y = y; + if(isRoot) { + stuff->drw_x -= screenInfo.screens[i]->x; + stuff->drw_y -= screenInfo.screens[i]->y; + } + + result = ProcXvPutVideo(client); + } + } + return result; +} + +static int +XineramaXvPutStill(ClientPtr client) +{ + REQUEST(xvPutImageReq); + PanoramiXRes *draw, *gc, *port; + Bool isRoot; + int result, i, x, y; + + REQUEST_AT_LEAST_SIZE(xvPutImageReq); + + result = dixLookupResourceByClass((pointer *)&draw, stuff->drawable, + XRC_DRAWABLE, client, DixWriteAccess); + if (result != Success) + return (result == BadValue) ? BadDrawable : result; + + result = dixLookupResourceByType((pointer *)&gc, stuff->gc, + XRT_GC, client, DixReadAccess); + if (result != Success) + return result; + + result = dixLookupResourceByType((pointer *)&port, stuff->port, + XvXRTPort, client, DixReadAccess); + if (result != Success) + return result; + + isRoot = (draw->type == XRT_WINDOW) && draw->u.win.root; + + x = stuff->drw_x; + y = stuff->drw_y; + + FOR_NSCREENS_BACKWARD(i) { + if(port->info[i].id) { + stuff->drawable = draw->info[i].id; + stuff->port = port->info[i].id; + stuff->gc = gc->info[i].id; + stuff->drw_x = x; + stuff->drw_y = y; + if(isRoot) { + stuff->drw_x -= screenInfo.screens[i]->x; + stuff->drw_y -= screenInfo.screens[i]->y; + } + + result = ProcXvPutStill(client); + } + } + return result; +} + +static Bool +isImageAdaptor(XvAdaptorPtr pAdapt) +{ + return (pAdapt->type & XvImageMask) && (pAdapt->nImages > 0); +} + +static Bool +hasOverlay(XvAdaptorPtr pAdapt) +{ + int i; + for(i = 0; i < pAdapt->nAttributes; i++) + if(!strcmp(pAdapt->pAttributes[i].name, "XV_COLORKEY")) + return TRUE; + return FALSE; +} + +static XvAdaptorPtr +matchAdaptor(ScreenPtr pScreen, XvAdaptorPtr refAdapt, Bool isOverlay) +{ + int i; + XvScreenPtr xvsp = dixLookupPrivate(&pScreen->devPrivates, XvGetScreenKey()); + /* Do not try to go on if xv is not supported on this screen */ + if(xvsp == NULL) + return NULL; + + /* if the adaptor has the same name it's a perfect match */ + for(i = 0; i < xvsp->nAdaptors; i++) { + XvAdaptorPtr pAdapt = xvsp->pAdaptors + i; + if(!strcmp(refAdapt->name, pAdapt->name)) + return pAdapt; + } + + /* otherwise we only look for XvImage adaptors */ + if(!isImageAdaptor(refAdapt)) + return NULL; + + /* prefer overlay/overlay non-overlay/non-overlay pairing */ + for(i = 0; i < xvsp->nAdaptors; i++) { + XvAdaptorPtr pAdapt = xvsp->pAdaptors + i; + if(isImageAdaptor(pAdapt) && isOverlay == hasOverlay(pAdapt)) + return pAdapt; + } + + /* but we'll take any XvImage pairing if we can get it */ + for(i = 0; i < xvsp->nAdaptors; i++) { + XvAdaptorPtr pAdapt = xvsp->pAdaptors + i; + if(isImageAdaptor(pAdapt)) + return pAdapt; + } + return NULL; +} + +void XineramifyXv(void) +{ + XvScreenPtr xvsp0 = dixLookupPrivate(&screenInfo.screens[0]->devPrivates, XvGetScreenKey()); + XvAdaptorPtr MatchingAdaptors[MAXSCREENS]; + int i, j, k; + + XvXRTPort = CreateNewResourceType(XineramaDeleteResource, "XvXRTPort"); + + if (!xvsp0 || !XvXRTPort) return; + SetResourceTypeErrorValue(XvXRTPort, _XvBadPort); + + for(i = 0; i < xvsp0->nAdaptors; i++) { + Bool isOverlay; + XvAdaptorPtr refAdapt = xvsp0->pAdaptors + i; + if(!(refAdapt->type & XvInputMask)) continue; + + MatchingAdaptors[0] = refAdapt; + isOverlay = hasOverlay(refAdapt); + FOR_NSCREENS_FORWARD_SKIP(j) + MatchingAdaptors[j] = matchAdaptor(screenInfo.screens[j], refAdapt, isOverlay); + + /* now create a resource for each port */ + for(j = 0; j < refAdapt->nPorts; j++) { + PanoramiXRes *port = malloc(sizeof(PanoramiXRes)); + if(!port) + break; + + FOR_NSCREENS(k) { + if(MatchingAdaptors[k] && (MatchingAdaptors[k]->nPorts > j)) + port->info[k].id = MatchingAdaptors[k]->base_id + j; + else + port->info[k].id = 0; + } + AddResource(port->info[0].id, XvXRTPort, port); + } + } + + /* munge the dispatch vector */ + XvProcVector[xv_PutVideo] = XineramaXvPutVideo; + XvProcVector[xv_PutStill] = XineramaXvPutStill; + XvProcVector[xv_StopVideo] = XineramaXvStopVideo; + XvProcVector[xv_SetPortAttribute] = XineramaXvSetPortAttribute; + XvProcVector[xv_PutImage] = XineramaXvPutImage; + XvProcVector[xv_ShmPutImage] = XineramaXvShmPutImage; +} +#endif /* PANORAMIX */ + +void +XvResetProcVector(void) +{ +#ifdef PANORAMIX + XvProcVector[xv_PutVideo] = ProcXvPutVideo; + XvProcVector[xv_PutStill] = ProcXvPutStill; + XvProcVector[xv_StopVideo] = ProcXvStopVideo; + XvProcVector[xv_SetPortAttribute] = ProcXvSetPortAttribute; + XvProcVector[xv_PutImage] = ProcXvPutImage; + XvProcVector[xv_ShmPutImage] = ProcXvShmPutImage; +#endif +} diff --git a/xorg-server/Xext/xvdix.h b/xorg-server/Xext/xvdix.h index 58069f040..e9c22bf65 100644 --- a/xorg-server/Xext/xvdix.h +++ b/xorg-server/Xext/xvdix.h @@ -1,275 +1,275 @@ -/*********************************************************** -Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts, -and the Massachusetts Institute of Technology, Cambridge, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -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 names of Digital or MIT not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL 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. - -******************************************************************/ - -#ifndef XVDIX_H -#define XVDIX_H -/* -** File: -** -** xvdix.h --- Xv device independent header file -** -** Author: -** -** David Carver (Digital Workstation Engineering/Project Athena) -** -** Revisions: -** -** 29.08.91 Carver -** - removed UnrealizeWindow wrapper unrealizing windows no longer -** preempts video -** -** 11.06.91 Carver -** - changed SetPortControl to SetPortAttribute -** - changed GetPortControl to GetPortAttribute -** - changed QueryBestSize -** -** 15.05.91 Carver -** - version 2.0 upgrade -** -** 24.01.91 Carver -** - version 1.4 upgrade -** -*/ - -#include "scrnintstr.h" -#include - -#ifndef XorgLoader -extern _X_EXPORT unsigned long XvExtensionGeneration; -extern _X_EXPORT unsigned long XvScreenGeneration; -extern _X_EXPORT unsigned long XvResourceGeneration; - -extern _X_EXPORT int XvReqCode; -extern _X_EXPORT int XvEventBase; -extern _X_EXPORT int XvErrorBase; - -extern _X_EXPORT RESTYPE XvRTPort; -extern _X_EXPORT RESTYPE XvRTEncoding; -extern _X_EXPORT RESTYPE XvRTGrab; -extern _X_EXPORT RESTYPE XvRTVideoNotify; -extern _X_EXPORT RESTYPE XvRTVideoNotifyList; -extern _X_EXPORT RESTYPE XvRTPortNotify; -#endif - -typedef struct { - int numerator; - int denominator; -} XvRationalRec, *XvRationalPtr; - -typedef struct { - char depth; - unsigned long visual; -} XvFormatRec, *XvFormatPtr; - -typedef struct { - unsigned long id; - ClientPtr client; -} XvGrabRec, *XvGrabPtr; - -typedef struct _XvVideoNotifyRec { - struct _XvVideoNotifyRec *next; - ClientPtr client; - unsigned long id; - unsigned long mask; -} XvVideoNotifyRec, *XvVideoNotifyPtr; - -typedef struct _XvPortNotifyRec { - struct _XvPortNotifyRec *next; - ClientPtr client; - unsigned long id; -} XvPortNotifyRec, *XvPortNotifyPtr; - -typedef struct { - int id; - ScreenPtr pScreen; - char *name; - unsigned short width, height; - XvRationalRec rate; -} XvEncodingRec, *XvEncodingPtr; - -typedef struct _XvAttributeRec { - int flags; - int min_value; - int max_value; - char *name; -} XvAttributeRec, *XvAttributePtr; - -typedef struct { - int id; - int type; - int byte_order; - char guid[16]; - int bits_per_pixel; - int format; - int num_planes; - - /* for RGB formats only */ - int depth; - unsigned int red_mask; - unsigned int green_mask; - unsigned int blue_mask; - - /* for YUV formats only */ - unsigned int y_sample_bits; - unsigned int u_sample_bits; - unsigned int v_sample_bits; - unsigned int horz_y_period; - unsigned int horz_u_period; - unsigned int horz_v_period; - unsigned int vert_y_period; - unsigned int vert_u_period; - unsigned int vert_v_period; - char component_order[32]; - int scanline_order; -} XvImageRec, *XvImagePtr; - -typedef struct { - unsigned long base_id; - unsigned char type; - char *name; - int nEncodings; - XvEncodingPtr pEncodings; - int nFormats; - XvFormatPtr pFormats; - int nAttributes; - XvAttributePtr pAttributes; - int nImages; - XvImagePtr pImages; - int nPorts; - struct _XvPortRec *pPorts; - ScreenPtr pScreen; - int (* ddAllocatePort)(unsigned long, struct _XvPortRec*, - struct _XvPortRec**); - int (* ddFreePort)(struct _XvPortRec*); - int (* ddPutVideo)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr, - INT16, INT16, CARD16, CARD16, - INT16, INT16, CARD16, CARD16); - int (* ddPutStill)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr, - INT16, INT16, CARD16, CARD16, - INT16, INT16, CARD16, CARD16); - int (* ddGetVideo)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr, - INT16, INT16, CARD16, CARD16, - INT16, INT16, CARD16, CARD16); - int (* ddGetStill)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr, - INT16, INT16, CARD16, CARD16, - INT16, INT16, CARD16, CARD16); - int (* ddStopVideo)(ClientPtr, struct _XvPortRec*, DrawablePtr); - int (* ddSetPortAttribute)(ClientPtr, struct _XvPortRec*, Atom, INT32); - int (* ddGetPortAttribute)(ClientPtr, struct _XvPortRec*, Atom, INT32*); - int (* ddQueryBestSize)(ClientPtr, struct _XvPortRec*, CARD8, - CARD16, CARD16,CARD16, CARD16, - unsigned int*, unsigned int*); - int (* ddPutImage)(ClientPtr, DrawablePtr, struct _XvPortRec*, GCPtr, - INT16, INT16, CARD16, CARD16, - INT16, INT16, CARD16, CARD16, - XvImagePtr, unsigned char*, Bool, - CARD16, CARD16); - int (* ddQueryImageAttributes)(ClientPtr, struct _XvPortRec*, XvImagePtr, - CARD16*, CARD16*, int*, int*); - DevUnion devPriv; -} XvAdaptorRec, *XvAdaptorPtr; - -typedef struct _XvPortRec { - unsigned long id; - XvAdaptorPtr pAdaptor; - XvPortNotifyPtr pNotify; - DrawablePtr pDraw; - ClientPtr client; - XvGrabRec grab; - TimeStamp time; - DevUnion devPriv; -} XvPortRec, *XvPortPtr; - -#define VALIDATE_XV_PORT(portID, pPort, mode)\ - {\ - int rc = dixLookupResourceByType((pointer *)&(pPort), portID,\ - XvRTPort, client, mode);\ - if (rc != Success)\ - return rc;\ - } - -typedef struct { - int version, revision; - int nAdaptors; - XvAdaptorPtr pAdaptors; - DestroyWindowProcPtr DestroyWindow; - DestroyPixmapProcPtr DestroyPixmap; - CloseScreenProcPtr CloseScreen; - Bool (* ddCloseScreen)(int, ScreenPtr); - int (* ddQueryAdaptors)(ScreenPtr, XvAdaptorPtr*, int*); - DevUnion devPriv; -} XvScreenRec, *XvScreenPtr; - -#define SCREEN_PROLOGUE(pScreen, field) ((pScreen)->field = ((XvScreenPtr) \ - dixLookupPrivate(&(pScreen)->devPrivates, XvScreenKey))->field) - -#define SCREEN_EPILOGUE(pScreen, field, wrapper)\ - ((pScreen)->field = wrapper) - -/* Errors */ - -#define _XvBadPort (XvBadPort+XvErrorBase) -#define _XvBadEncoding (XvBadEncoding+XvErrorBase) - -#ifndef XorgLoader -extern _X_EXPORT int ProcXvDispatch(ClientPtr); -extern _X_EXPORT int SProcXvDispatch(ClientPtr); - -extern _X_EXPORT void XvExtensionInit(void); -extern _X_EXPORT int XvScreenInit(ScreenPtr); -extern _X_EXPORT DevPrivateKey XvGetScreenKey(void); -extern _X_EXPORT unsigned long XvGetRTPort(void); -extern _X_EXPORT int XvdiSendPortNotify(XvPortPtr, Atom, INT32); -extern _X_EXPORT int XvdiVideoStopped(XvPortPtr, int); - -extern _X_EXPORT int XvdiPutVideo(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, - INT16, INT16, CARD16, CARD16, - INT16, INT16, CARD16, CARD16); -extern _X_EXPORT int XvdiPutStill(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, - INT16, INT16, CARD16, CARD16, - INT16, INT16, CARD16, CARD16); -extern _X_EXPORT int XvdiGetVideo(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, - INT16, INT16, CARD16, CARD16, - INT16, INT16, CARD16, CARD16); -extern _X_EXPORT int XvdiGetStill(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, - INT16, INT16, CARD16, CARD16, - INT16, INT16, CARD16, CARD16); -extern _X_EXPORT int XvdiPutImage(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, - INT16, INT16, CARD16, CARD16, - INT16, INT16, CARD16, CARD16, - XvImagePtr, unsigned char*, Bool, - CARD16, CARD16); -extern _X_EXPORT int XvdiSelectVideoNotify(ClientPtr, DrawablePtr, BOOL); -extern _X_EXPORT int XvdiSelectPortNotify(ClientPtr, XvPortPtr, BOOL); -extern _X_EXPORT int XvdiSetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32); -extern _X_EXPORT int XvdiGetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32*); -extern _X_EXPORT int XvdiStopVideo(ClientPtr, XvPortPtr, DrawablePtr); -extern _X_EXPORT int XvdiPreemptVideo(ClientPtr, XvPortPtr, DrawablePtr); -extern _X_EXPORT int XvdiMatchPort(XvPortPtr, DrawablePtr); -extern _X_EXPORT int XvdiGrabPort(ClientPtr, XvPortPtr, Time, int *); -extern _X_EXPORT int XvdiUngrabPort( ClientPtr, XvPortPtr, Time); -#endif /* XorgLoader */ - -#endif /* XVDIX_H */ - +/*********************************************************** +Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts, +and the Massachusetts Institute of Technology, Cambridge, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +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 names of Digital or MIT not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL 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. + +******************************************************************/ + +#ifndef XVDIX_H +#define XVDIX_H +/* +** File: +** +** xvdix.h --- Xv device independent header file +** +** Author: +** +** David Carver (Digital Workstation Engineering/Project Athena) +** +** Revisions: +** +** 29.08.91 Carver +** - removed UnrealizeWindow wrapper unrealizing windows no longer +** preempts video +** +** 11.06.91 Carver +** - changed SetPortControl to SetPortAttribute +** - changed GetPortControl to GetPortAttribute +** - changed QueryBestSize +** +** 15.05.91 Carver +** - version 2.0 upgrade +** +** 24.01.91 Carver +** - version 1.4 upgrade +** +*/ + +#include "scrnintstr.h" +#include + +#ifndef XorgLoader +extern _X_EXPORT unsigned long XvExtensionGeneration; +extern _X_EXPORT unsigned long XvScreenGeneration; +extern _X_EXPORT unsigned long XvResourceGeneration; + +extern _X_EXPORT int XvReqCode; +extern _X_EXPORT int XvEventBase; +extern _X_EXPORT int XvErrorBase; + +extern _X_EXPORT RESTYPE XvRTPort; +extern _X_EXPORT RESTYPE XvRTEncoding; +extern _X_EXPORT RESTYPE XvRTGrab; +extern _X_EXPORT RESTYPE XvRTVideoNotify; +extern _X_EXPORT RESTYPE XvRTVideoNotifyList; +extern _X_EXPORT RESTYPE XvRTPortNotify; +#endif + +typedef struct { + int numerator; + int denominator; +} XvRationalRec, *XvRationalPtr; + +typedef struct { + char depth; + unsigned long visual; +} XvFormatRec, *XvFormatPtr; + +typedef struct { + unsigned long id; + ClientPtr client; +} XvGrabRec, *XvGrabPtr; + +typedef struct _XvVideoNotifyRec { + struct _XvVideoNotifyRec *next; + ClientPtr client; + unsigned long id; + unsigned long mask; +} XvVideoNotifyRec, *XvVideoNotifyPtr; + +typedef struct _XvPortNotifyRec { + struct _XvPortNotifyRec *next; + ClientPtr client; + unsigned long id; +} XvPortNotifyRec, *XvPortNotifyPtr; + +typedef struct { + int id; + ScreenPtr pScreen; + char *name; + unsigned short width, height; + XvRationalRec rate; +} XvEncodingRec, *XvEncodingPtr; + +typedef struct _XvAttributeRec { + int flags; + int min_value; + int max_value; + char *name; +} XvAttributeRec, *XvAttributePtr; + +typedef struct { + int id; + int type; + int byte_order; + char guid[16]; + int bits_per_pixel; + int format; + int num_planes; + + /* for RGB formats only */ + int depth; + unsigned int red_mask; + unsigned int green_mask; + unsigned int blue_mask; + + /* for YUV formats only */ + unsigned int y_sample_bits; + unsigned int u_sample_bits; + unsigned int v_sample_bits; + unsigned int horz_y_period; + unsigned int horz_u_period; + unsigned int horz_v_period; + unsigned int vert_y_period; + unsigned int vert_u_period; + unsigned int vert_v_period; + char component_order[32]; + int scanline_order; +} XvImageRec, *XvImagePtr; + +typedef struct { + unsigned long base_id; + unsigned char type; + char *name; + int nEncodings; + XvEncodingPtr pEncodings; + int nFormats; + XvFormatPtr pFormats; + int nAttributes; + XvAttributePtr pAttributes; + int nImages; + XvImagePtr pImages; + int nPorts; + struct _XvPortRec *pPorts; + ScreenPtr pScreen; + int (* ddAllocatePort)(unsigned long, struct _XvPortRec*, + struct _XvPortRec**); + int (* ddFreePort)(struct _XvPortRec*); + int (* ddPutVideo)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); + int (* ddPutStill)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); + int (* ddGetVideo)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); + int (* ddGetStill)(ClientPtr, DrawablePtr,struct _XvPortRec*, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); + int (* ddStopVideo)(ClientPtr, struct _XvPortRec*, DrawablePtr); + int (* ddSetPortAttribute)(ClientPtr, struct _XvPortRec*, Atom, INT32); + int (* ddGetPortAttribute)(ClientPtr, struct _XvPortRec*, Atom, INT32*); + int (* ddQueryBestSize)(ClientPtr, struct _XvPortRec*, CARD8, + CARD16, CARD16,CARD16, CARD16, + unsigned int*, unsigned int*); + int (* ddPutImage)(ClientPtr, DrawablePtr, struct _XvPortRec*, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16, + XvImagePtr, unsigned char*, Bool, + CARD16, CARD16); + int (* ddQueryImageAttributes)(ClientPtr, struct _XvPortRec*, XvImagePtr, + CARD16*, CARD16*, int*, int*); + DevUnion devPriv; +} XvAdaptorRec, *XvAdaptorPtr; + +typedef struct _XvPortRec { + unsigned long id; + XvAdaptorPtr pAdaptor; + XvPortNotifyPtr pNotify; + DrawablePtr pDraw; + ClientPtr client; + XvGrabRec grab; + TimeStamp time; + DevUnion devPriv; +} XvPortRec, *XvPortPtr; + +#define VALIDATE_XV_PORT(portID, pPort, mode)\ + {\ + int rc = dixLookupResourceByType((pointer *)&(pPort), portID,\ + XvRTPort, client, mode);\ + if (rc != Success)\ + return rc;\ + } + +typedef struct { + int version, revision; + int nAdaptors; + XvAdaptorPtr pAdaptors; + DestroyWindowProcPtr DestroyWindow; + DestroyPixmapProcPtr DestroyPixmap; + CloseScreenProcPtr CloseScreen; + Bool (* ddCloseScreen)(int, ScreenPtr); + int (* ddQueryAdaptors)(ScreenPtr, XvAdaptorPtr*, int*); + DevUnion devPriv; +} XvScreenRec, *XvScreenPtr; + +#define SCREEN_PROLOGUE(pScreen, field) ((pScreen)->field = ((XvScreenPtr) \ + dixLookupPrivate(&(pScreen)->devPrivates, XvScreenKey))->field) + +#define SCREEN_EPILOGUE(pScreen, field, wrapper)\ + ((pScreen)->field = wrapper) + +/* Errors */ + +#define _XvBadPort (XvBadPort+XvErrorBase) +#define _XvBadEncoding (XvBadEncoding+XvErrorBase) + +#ifndef XorgLoader +extern _X_EXPORT int ProcXvDispatch(ClientPtr); +extern _X_EXPORT int SProcXvDispatch(ClientPtr); + +extern _X_EXPORT void XvExtensionInit(void); +extern _X_EXPORT int XvScreenInit(ScreenPtr); +extern _X_EXPORT DevPrivateKey XvGetScreenKey(void); +extern _X_EXPORT unsigned long XvGetRTPort(void); +extern _X_EXPORT int XvdiSendPortNotify(XvPortPtr, Atom, INT32); +extern _X_EXPORT int XvdiVideoStopped(XvPortPtr, int); + +extern _X_EXPORT int XvdiPutVideo(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +extern _X_EXPORT int XvdiPutStill(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +extern _X_EXPORT int XvdiGetVideo(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +extern _X_EXPORT int XvdiGetStill(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16); +extern _X_EXPORT int XvdiPutImage(ClientPtr, DrawablePtr, XvPortPtr, GCPtr, + INT16, INT16, CARD16, CARD16, + INT16, INT16, CARD16, CARD16, + XvImagePtr, unsigned char*, Bool, + CARD16, CARD16); +extern _X_EXPORT int XvdiSelectVideoNotify(ClientPtr, DrawablePtr, BOOL); +extern _X_EXPORT int XvdiSelectPortNotify(ClientPtr, XvPortPtr, BOOL); +extern _X_EXPORT int XvdiSetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32); +extern _X_EXPORT int XvdiGetPortAttribute(ClientPtr, XvPortPtr, Atom, INT32*); +extern _X_EXPORT int XvdiStopVideo(ClientPtr, XvPortPtr, DrawablePtr); +extern _X_EXPORT int XvdiPreemptVideo(ClientPtr, XvPortPtr, DrawablePtr); +extern _X_EXPORT int XvdiMatchPort(XvPortPtr, DrawablePtr); +extern _X_EXPORT int XvdiGrabPort(ClientPtr, XvPortPtr, Time, int *); +extern _X_EXPORT int XvdiUngrabPort( ClientPtr, XvPortPtr, Time); +#endif /* XorgLoader */ + +#endif /* XVDIX_H */ + diff --git a/xorg-server/Xext/xvmain.c b/xorg-server/Xext/xvmain.c index 371f2086f..a530a1b77 100644 --- a/xorg-server/Xext/xvmain.c +++ b/xorg-server/Xext/xvmain.c @@ -1,1178 +1,1178 @@ -/*********************************************************** -Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts, -and the Massachusetts Institute of Technology, Cambridge, Massachusetts. - - All Rights Reserved - -Permission to use, copy, modify, and distribute this software and its -documentation for any purpose and without fee is hereby granted, -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 names of Digital or MIT not be -used in advertising or publicity pertaining to distribution of the -software without specific, written prior permission. - -DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING -ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL -DIGITAL 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. - -******************************************************************/ - -/* -** File: -** -** xvmain.c --- Xv server extension main device independent module. -** -** Author: -** -** David Carver (Digital Workstation Engineering/Project Athena) -** -** Revisions: -** -** 04.09.91 Carver -** - change: stop video always generates an event even when video -** wasn't active -** -** 29.08.91 Carver -** - change: unrealizing windows no longer preempts video -** -** 11.06.91 Carver -** - changed SetPortControl to SetPortAttribute -** - changed GetPortControl to GetPortAttribute -** - changed QueryBestSize -** -** 28.05.91 Carver -** - fixed Put and Get requests to not preempt operations to same drawable -** -** 15.05.91 Carver -** - version 2.0 upgrade -** -** 19.03.91 Carver -** - fixed Put and Get requests to honor grabbed ports. -** - fixed Video requests to update di structure with new drawable, and -** client after calling ddx. -** -** 24.01.91 Carver -** - version 1.4 upgrade -** -** Notes: -** -** Port structures reference client structures in a two different -** ways: when grabs, or video is active. Each reference is encoded -** as fake client resources and thus when the client is goes away so -** does the reference (it is zeroed). No other action is taken, so -** video doesn't necessarily stop. It probably will as a result of -** other resources going away, but if a client starts video using -** none of its own resources, then the video will continue to play -** after the client disappears. -** -** -*/ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include - -#include -#include -#include "misc.h" -#include "os.h" -#include "scrnintstr.h" -#include "windowstr.h" -#include "pixmapstr.h" -#include "gc.h" -#include "extnsionst.h" -#include "dixstruct.h" -#include "resource.h" -#include "opaque.h" -#include "input.h" - -#define GLOBAL - -#include -#include -#include "xvdix.h" - -#ifdef PANORAMIX -#include "panoramiX.h" -#include "panoramiXsrv.h" -#endif -#include "xvdisp.h" - -static DevPrivateKeyRec XvScreenKeyRec; -#define XvScreenKey (&XvScreenKeyRec) -unsigned long XvExtensionGeneration = 0; -unsigned long XvScreenGeneration = 0; -unsigned long XvResourceGeneration = 0; - -int XvReqCode; -int XvEventBase; -int XvErrorBase; - -RESTYPE XvRTPort; -RESTYPE XvRTEncoding; -RESTYPE XvRTGrab; -RESTYPE XvRTVideoNotify; -RESTYPE XvRTVideoNotifyList; -RESTYPE XvRTPortNotify; - -/* EXTERNAL */ - -static void WriteSwappedVideoNotifyEvent(xvEvent *, xvEvent *); -static void WriteSwappedPortNotifyEvent(xvEvent *, xvEvent *); -static Bool CreateResourceTypes(void); - -static Bool XvCloseScreen(int, ScreenPtr); -static Bool XvDestroyPixmap(PixmapPtr); -static Bool XvDestroyWindow(WindowPtr); -static void XvResetProc(ExtensionEntry*); -static int XvdiDestroyGrab(pointer, XID); -static int XvdiDestroyEncoding(pointer, XID); -static int XvdiDestroyVideoNotify(pointer, XID); -static int XvdiDestroyPortNotify(pointer, XID); -static int XvdiDestroyVideoNotifyList(pointer, XID); -static int XvdiDestroyPort(pointer, XID); -static int XvdiSendVideoNotify(XvPortPtr, DrawablePtr, int); - - - - -/* -** XvExtensionInit -** -** -*/ - -void -XvExtensionInit(void) -{ - ExtensionEntry *extEntry; - - if (!dixRegisterPrivateKey(&XvScreenKeyRec, PRIVATE_SCREEN, 0)) - return; - - /* LOOK TO SEE IF ANY SCREENS WERE INITIALIZED; IF NOT THEN - INIT GLOBAL VARIABLES SO THE EXTENSION CAN FUNCTION */ - if (XvScreenGeneration != serverGeneration) - { - if (!CreateResourceTypes()) - { - ErrorF("XvExtensionInit: Unable to allocate resource types\n"); - return; - } -#ifdef PANORAMIX - XineramaRegisterConnectionBlockCallback(XineramifyXv); -#endif - XvScreenGeneration = serverGeneration; - } - - if (XvExtensionGeneration != serverGeneration) - { - XvExtensionGeneration = serverGeneration; - - extEntry = AddExtension(XvName, XvNumEvents, XvNumErrors, - ProcXvDispatch, SProcXvDispatch, - XvResetProc, StandardMinorOpcode); - if (!extEntry) - { - FatalError("XvExtensionInit: AddExtensions failed\n"); - } - - XvReqCode = extEntry->base; - XvEventBase = extEntry->eventBase; - XvErrorBase = extEntry->errorBase; - - EventSwapVector[XvEventBase+XvVideoNotify] = - (EventSwapPtr)WriteSwappedVideoNotifyEvent; - EventSwapVector[XvEventBase+XvPortNotify] = - (EventSwapPtr)WriteSwappedPortNotifyEvent; - - SetResourceTypeErrorValue(XvRTPort, _XvBadPort); - (void)MakeAtom(XvName, strlen(XvName), xTrue); - - } -} - -static Bool -CreateResourceTypes(void) - -{ - - if (XvResourceGeneration == serverGeneration) return TRUE; - - XvResourceGeneration = serverGeneration; - - if (!(XvRTPort = CreateNewResourceType(XvdiDestroyPort, "XvRTPort"))) - { - ErrorF("CreateResourceTypes: failed to allocate port resource.\n"); - return FALSE; - } - - if (!(XvRTGrab = CreateNewResourceType(XvdiDestroyGrab, "XvRTGrab"))) - { - ErrorF("CreateResourceTypes: failed to allocate grab resource.\n"); - return FALSE; - } - - if (!(XvRTEncoding = CreateNewResourceType(XvdiDestroyEncoding, - "XvRTEncoding"))) - { - ErrorF("CreateResourceTypes: failed to allocate encoding resource.\n"); - return FALSE; - } - - if (!(XvRTVideoNotify = CreateNewResourceType(XvdiDestroyVideoNotify, - "XvRTVideoNotify"))) - { - ErrorF("CreateResourceTypes: failed to allocate video notify resource.\n"); - return FALSE; - } - - if (!(XvRTVideoNotifyList = CreateNewResourceType(XvdiDestroyVideoNotifyList, - "XvRTVideoNotifyList"))) - { - ErrorF("CreateResourceTypes: failed to allocate video notify list resource.\n"); - return FALSE; - } - - if (!(XvRTPortNotify = CreateNewResourceType(XvdiDestroyPortNotify, - "XvRTPortNotify"))) - { - ErrorF("CreateResourceTypes: failed to allocate port notify resource.\n"); - return FALSE; - } - - return TRUE; - -} - -int -XvScreenInit(ScreenPtr pScreen) -{ - XvScreenPtr pxvs; - - if (XvScreenGeneration != serverGeneration) - { - if (!CreateResourceTypes()) - { - ErrorF("XvScreenInit: Unable to allocate resource types\n"); - return BadAlloc; - } -#ifdef PANORAMIX - XineramaRegisterConnectionBlockCallback(XineramifyXv); -#endif - XvScreenGeneration = serverGeneration; - } - - if (!dixRegisterPrivateKey(&XvScreenKeyRec, PRIVATE_SCREEN, 0)) - return BadAlloc; - - if (dixLookupPrivate(&pScreen->devPrivates, XvScreenKey)) - { - ErrorF("XvScreenInit: screen devPrivates ptr non-NULL before init\n"); - } - - /* ALLOCATE SCREEN PRIVATE RECORD */ - - pxvs = calloc (1,sizeof (XvScreenRec)); - if (!pxvs) - { - ErrorF("XvScreenInit: Unable to allocate screen private structure\n"); - return BadAlloc; - } - - dixSetPrivate(&pScreen->devPrivates, XvScreenKey, pxvs); - - pxvs->DestroyPixmap = pScreen->DestroyPixmap; - pxvs->DestroyWindow = pScreen->DestroyWindow; - pxvs->CloseScreen = pScreen->CloseScreen; - - pScreen->DestroyPixmap = XvDestroyPixmap; - pScreen->DestroyWindow = XvDestroyWindow; - pScreen->CloseScreen = XvCloseScreen; - - return Success; -} - -static Bool -XvCloseScreen( - int ii, - ScreenPtr pScreen -){ - - XvScreenPtr pxvs; - - pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XvScreenKey); - - pScreen->DestroyPixmap = pxvs->DestroyPixmap; - pScreen->DestroyWindow = pxvs->DestroyWindow; - pScreen->CloseScreen = pxvs->CloseScreen; - - if (pxvs->ddCloseScreen) (* pxvs->ddCloseScreen)(ii, pScreen); - - free(pxvs); - - dixSetPrivate(&pScreen->devPrivates, XvScreenKey, NULL); - - return (*pScreen->CloseScreen)(ii, pScreen); -} - -static void -XvResetProc(ExtensionEntry* extEntry) -{ - XvResetProcVector(); -} - -DevPrivateKey -XvGetScreenKey(void) -{ - return XvScreenKey; -} - -unsigned long -XvGetRTPort(void) -{ - return XvRTPort; -} - -static Bool -XvDestroyPixmap(PixmapPtr pPix) -{ - Bool status; - ScreenPtr pScreen; - XvScreenPtr pxvs; - XvAdaptorPtr pa; - int na; - XvPortPtr pp; - int np; - - pScreen = pPix->drawable.pScreen; - - SCREEN_PROLOGUE(pScreen, DestroyPixmap); - - pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XvScreenKey); - - /* CHECK TO SEE IF THIS PORT IS IN USE */ - - pa = pxvs->pAdaptors; - na = pxvs->nAdaptors; - while (na--) - { - np = pa->nPorts; - pp = pa->pPorts; - - while (np--) - { - if (pp->pDraw == (DrawablePtr)pPix) - { - XvdiSendVideoNotify(pp, pp->pDraw, XvPreempted); - - (void)(* pp->pAdaptor->ddStopVideo)(NULL, pp, pp->pDraw); - - pp->pDraw = NULL; - pp->client = NULL; - pp->time = currentTime; - } - pp++; - } - pa++; - } - - status = (* pScreen->DestroyPixmap)(pPix); - - SCREEN_EPILOGUE(pScreen, DestroyPixmap, XvDestroyPixmap); - - return status; - -} - -static Bool -XvDestroyWindow(WindowPtr pWin) -{ - Bool status; - ScreenPtr pScreen; - XvScreenPtr pxvs; - XvAdaptorPtr pa; - int na; - XvPortPtr pp; - int np; - - pScreen = pWin->drawable.pScreen; - - SCREEN_PROLOGUE(pScreen, DestroyWindow); - - pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XvScreenKey); - - /* CHECK TO SEE IF THIS PORT IS IN USE */ - - pa = pxvs->pAdaptors; - na = pxvs->nAdaptors; - while (na--) - { - np = pa->nPorts; - pp = pa->pPorts; - - while (np--) - { - if (pp->pDraw == (DrawablePtr)pWin) - { - XvdiSendVideoNotify(pp, pp->pDraw, XvPreempted); - - (void)(* pp->pAdaptor->ddStopVideo)(NULL, pp, pp->pDraw); - - pp->pDraw = NULL; - pp->client = NULL; - pp->time = currentTime; - } - pp++; - } - pa++; - } - - - status = (* pScreen->DestroyWindow)(pWin); - - SCREEN_EPILOGUE(pScreen, DestroyWindow, XvDestroyWindow); - - return status; - -} - -/* The XvdiVideoStopped procedure is a hook for the device dependent layer. - It provides a way for the dd layer to inform the di layer that video has - stopped in a port for reasons that the di layer had no control over; note - that it doesn't call back into the dd layer */ - -int -XvdiVideoStopped(XvPortPtr pPort, int reason) -{ - - /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */ - - if (!pPort->pDraw) return Success; - - XvdiSendVideoNotify(pPort, pPort->pDraw, reason); - - pPort->pDraw = NULL; - pPort->client = NULL; - pPort->time = currentTime; - - return Success; - -} - -static int -XvdiDestroyPort(pointer pPort, XID id) -{ - return (* ((XvPortPtr)pPort)->pAdaptor->ddFreePort)(pPort); -} - -static int -XvdiDestroyGrab(pointer pGrab, XID id) -{ - ((XvGrabPtr)pGrab)->client = NULL; - return Success; -} - -static int -XvdiDestroyVideoNotify(pointer pn, XID id) -{ - /* JUST CLEAR OUT THE client POINTER FIELD */ - - ((XvVideoNotifyPtr)pn)->client = NULL; - return Success; -} - -static int -XvdiDestroyPortNotify(pointer pn, XID id) -{ - /* JUST CLEAR OUT THE client POINTER FIELD */ - - ((XvPortNotifyPtr)pn)->client = NULL; - return Success; -} - -static int -XvdiDestroyVideoNotifyList(pointer pn, XID id) -{ - XvVideoNotifyPtr npn,cpn; - - /* ACTUALLY DESTROY THE NOTITY LIST */ - - cpn = (XvVideoNotifyPtr)pn; - - while (cpn) - { - npn = cpn->next; - if (cpn->client) FreeResource(cpn->id, XvRTVideoNotify); - free(cpn); - cpn = npn; - } - return Success; -} - -static int -XvdiDestroyEncoding(pointer value, XID id) -{ - return Success; -} - -static int -XvdiSendVideoNotify(XvPortPtr pPort, DrawablePtr pDraw, int reason) -{ - xvEvent event; - XvVideoNotifyPtr pn; - - dixLookupResourceByType((pointer *)&pn, pDraw->id, XvRTVideoNotifyList, - serverClient, DixReadAccess); - - while (pn) - { - event.u.u.type = XvEventBase + XvVideoNotify; - event.u.videoNotify.time = currentTime.milliseconds; - event.u.videoNotify.drawable = pDraw->id; - event.u.videoNotify.port = pPort->id; - event.u.videoNotify.reason = reason; - WriteEventsToClient(pn->client, 1, (xEventPtr)&event); - pn = pn->next; - } - - return Success; - -} - - -int -XvdiSendPortNotify( - XvPortPtr pPort, - Atom attribute, - INT32 value -){ - xvEvent event; - XvPortNotifyPtr pn; - - pn = pPort->pNotify; - - while (pn) - { - event.u.u.type = XvEventBase + XvPortNotify; - event.u.portNotify.time = currentTime.milliseconds; - event.u.portNotify.port = pPort->id; - event.u.portNotify.attribute = attribute; - event.u.portNotify.value = value; - WriteEventsToClient(pn->client, 1, (xEventPtr)&event); - pn = pn->next; - } - - return Success; - -} - - -#define CHECK_SIZE(dw, dh, sw, sh) { \ - if(!dw || !dh || !sw || !sh) return Success; \ - /* The region code will break these if they are too large */ \ - if((dw > 32767) || (dh > 32767) || (sw > 32767) || (sh > 32767)) \ - return BadValue; \ -} - - -int -XvdiPutVideo( - ClientPtr client, - DrawablePtr pDraw, - XvPortPtr pPort, - GCPtr pGC, - INT16 vid_x, INT16 vid_y, - CARD16 vid_w, CARD16 vid_h, - INT16 drw_x, INT16 drw_y, - CARD16 drw_w, CARD16 drw_h -){ - DrawablePtr pOldDraw; - - CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); - - /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ - - UpdateCurrentTime(); - - /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN - INFORM CLIENT OF ITS FAILURE */ - - if (pPort->grab.client && (pPort->grab.client != client)) - { - XvdiSendVideoNotify(pPort, pDraw, XvBusy); - return Success; - } - - /* CHECK TO SEE IF PORT IS IN USE; IF SO THEN WE MUST DELIVER INTERRUPTED - EVENTS TO ANY CLIENTS WHO WANT THEM */ - - pOldDraw = pPort->pDraw; - if ((pOldDraw) && (pOldDraw != pDraw)) - { - XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted); - } - - (void) (* pPort->pAdaptor->ddPutVideo)(client, pDraw, pPort, pGC, - vid_x, vid_y, vid_w, vid_h, - drw_x, drw_y, drw_w, drw_h); - - if ((pPort->pDraw) && (pOldDraw != pDraw)) - { - pPort->client = client; - XvdiSendVideoNotify(pPort, pPort->pDraw, XvStarted); - } - - pPort->time = currentTime; - - return Success; - -} - -int -XvdiPutStill( - ClientPtr client, - DrawablePtr pDraw, - XvPortPtr pPort, - GCPtr pGC, - INT16 vid_x, INT16 vid_y, - CARD16 vid_w, CARD16 vid_h, - INT16 drw_x, INT16 drw_y, - CARD16 drw_w, CARD16 drw_h -){ - int status; - - CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); - - /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ - - UpdateCurrentTime(); - - /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN - INFORM CLIENT OF ITS FAILURE */ - - if (pPort->grab.client && (pPort->grab.client != client)) - { - XvdiSendVideoNotify(pPort, pDraw, XvBusy); - return Success; - } - - pPort->time = currentTime; - - status = (* pPort->pAdaptor->ddPutStill)(client, pDraw, pPort, pGC, - vid_x, vid_y, vid_w, vid_h, - drw_x, drw_y, drw_w, drw_h); - - return status; - -} - -int -XvdiPutImage( - ClientPtr client, - DrawablePtr pDraw, - XvPortPtr pPort, - GCPtr pGC, - INT16 src_x, INT16 src_y, - CARD16 src_w, CARD16 src_h, - INT16 drw_x, INT16 drw_y, - CARD16 drw_w, CARD16 drw_h, - XvImagePtr image, - unsigned char* data, - Bool sync, - CARD16 width, CARD16 height -){ - CHECK_SIZE(drw_w, drw_h, src_w, src_h); - - /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ - - UpdateCurrentTime(); - - /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN - INFORM CLIENT OF ITS FAILURE */ - - if (pPort->grab.client && (pPort->grab.client != client)) - { - XvdiSendVideoNotify(pPort, pDraw, XvBusy); - return Success; - } - - pPort->time = currentTime; - - return (* pPort->pAdaptor->ddPutImage)(client, pDraw, pPort, pGC, - src_x, src_y, src_w, src_h, - drw_x, drw_y, drw_w, drw_h, - image, data, sync, width, height); -} - - -int -XvdiGetVideo( - ClientPtr client, - DrawablePtr pDraw, - XvPortPtr pPort, - GCPtr pGC, - INT16 vid_x, INT16 vid_y, - CARD16 vid_w, CARD16 vid_h, - INT16 drw_x, INT16 drw_y, - CARD16 drw_w, CARD16 drw_h -){ - DrawablePtr pOldDraw; - - CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); - - /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ - - UpdateCurrentTime(); - - /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN - INFORM CLIENT OF ITS FAILURE */ - - if (pPort->grab.client && (pPort->grab.client != client)) - { - XvdiSendVideoNotify(pPort, pDraw, XvBusy); - return Success; - } - - /* CHECK TO SEE IF PORT IS IN USE; IF SO THEN WE MUST DELIVER INTERRUPTED - EVENTS TO ANY CLIENTS WHO WANT THEM */ - - pOldDraw = pPort->pDraw; - if ((pOldDraw) && (pOldDraw != pDraw)) - { - XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted); - } - - (void) (* pPort->pAdaptor->ddGetVideo)(client, pDraw, pPort, pGC, - vid_x, vid_y, vid_w, vid_h, - drw_x, drw_y, drw_w, drw_h); - - if ((pPort->pDraw) && (pOldDraw != pDraw)) - { - pPort->client = client; - XvdiSendVideoNotify(pPort, pPort->pDraw, XvStarted); - } - - pPort->time = currentTime; - - return Success; - -} - -int -XvdiGetStill( - ClientPtr client, - DrawablePtr pDraw, - XvPortPtr pPort, - GCPtr pGC, - INT16 vid_x, INT16 vid_y, - CARD16 vid_w, CARD16 vid_h, - INT16 drw_x, INT16 drw_y, - CARD16 drw_w, CARD16 drw_h -){ - int status; - - CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); - - /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ - - UpdateCurrentTime(); - - /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN - INFORM CLIENT OF ITS FAILURE */ - - if (pPort->grab.client && (pPort->grab.client != client)) - { - XvdiSendVideoNotify(pPort, pDraw, XvBusy); - return Success; - } - - status = (* pPort->pAdaptor->ddGetStill)(client, pDraw, pPort, pGC, - vid_x, vid_y, vid_w, vid_h, - drw_x, drw_y, drw_w, drw_h); - - pPort->time = currentTime; - - return status; - -} - -int -XvdiGrabPort( - ClientPtr client, - XvPortPtr pPort, - Time ctime, - int *p_result -){ - unsigned long id; - TimeStamp time; - - UpdateCurrentTime(); - time = ClientTimeToServerTime(ctime); - - if (pPort->grab.client && (client != pPort->grab.client)) - { - *p_result = XvAlreadyGrabbed; - return Success; - } - - if ((CompareTimeStamps(time, currentTime) == LATER) || - (CompareTimeStamps(time, pPort->time) == EARLIER)) - { - *p_result = XvInvalidTime; - return Success; - } - - if (client == pPort->grab.client) - { - *p_result = Success; - return Success; - } - - id = FakeClientID(client->index); - - if (!AddResource(id, XvRTGrab, &pPort->grab)) - { - return BadAlloc; - } - - /* IF THERE IS ACTIVE VIDEO THEN STOP IT */ - - if ((pPort->pDraw) && (client != pPort->client)) - { - XvdiStopVideo(NULL, pPort, pPort->pDraw); - } - - pPort->grab.client = client; - pPort->grab.id = id; - - pPort->time = currentTime; - - *p_result = Success; - - return Success; - -} - -int -XvdiUngrabPort( - ClientPtr client, - XvPortPtr pPort, - Time ctime -){ - TimeStamp time; - - UpdateCurrentTime(); - time = ClientTimeToServerTime(ctime); - - if ((!pPort->grab.client) || (client != pPort->grab.client)) - { - return Success; - } - - if ((CompareTimeStamps(time, currentTime) == LATER) || - (CompareTimeStamps(time, pPort->time) == EARLIER)) - { - return Success; - } - - /* FREE THE GRAB RESOURCE; AND SET THE GRAB CLIENT TO NULL */ - - FreeResource(pPort->grab.id, XvRTGrab); - pPort->grab.client = NULL; - - pPort->time = currentTime; - - return Success; - -} - - -int -XvdiSelectVideoNotify( - ClientPtr client, - DrawablePtr pDraw, - BOOL onoff -){ - XvVideoNotifyPtr pn,tpn,fpn; - int rc; - - /* FIND VideoNotify LIST */ - - rc = dixLookupResourceByType((pointer *)&pn, pDraw->id, XvRTVideoNotifyList, - client, DixWriteAccess); - if (rc != Success && rc != BadValue) - return rc; - - /* IF ONE DONES'T EXIST AND NO MASK, THEN JUST RETURN */ - - if (!onoff && !pn) return Success; - - /* IF ONE DOESN'T EXIST CREATE IT AND ADD A RESOURCE SO THAT THE LIST - WILL BE DELETED WHEN THE DRAWABLE IS DESTROYED */ - - if (!pn) - { - if (!(tpn = malloc(sizeof(XvVideoNotifyRec)))) - return BadAlloc; - tpn->next = NULL; - if (!AddResource(pDraw->id, XvRTVideoNotifyList, tpn)) - { - free(tpn); - return BadAlloc; - } - } - else - { - /* LOOK TO SEE IF ENTRY ALREADY EXISTS */ - - fpn = NULL; - tpn = pn; - while (tpn) - { - if (tpn->client == client) - { - if (!onoff) tpn->client = NULL; - return Success; - } - if (!tpn->client) fpn = tpn; /* TAKE NOTE OF FREE ENTRY */ - tpn = tpn->next; - } - - /* IF TUNNING OFF, THEN JUST RETURN */ - - if (!onoff) return Success; - - /* IF ONE ISN'T FOUND THEN ALLOCATE ONE AND LINK IT INTO THE LIST */ - - if (fpn) - { - tpn = fpn; - } - else - { - if (!(tpn = malloc(sizeof(XvVideoNotifyRec)))) - return BadAlloc; - tpn->next = pn->next; - pn->next = tpn; - } - } - - /* INIT CLIENT PTR IN CASE WE CAN'T ADD RESOURCE */ - /* ADD RESOURCE SO THAT IF CLIENT EXITS THE CLIENT PTR WILL BE CLEARED */ - - tpn->client = NULL; - tpn->id = FakeClientID(client->index); - AddResource(tpn->id, XvRTVideoNotify, tpn); - - tpn->client = client; - return Success; - -} - -int -XvdiSelectPortNotify( - ClientPtr client, - XvPortPtr pPort, - BOOL onoff -){ - XvPortNotifyPtr pn,tpn; - - /* SEE IF CLIENT IS ALREADY IN LIST */ - - tpn = NULL; - pn = pPort->pNotify; - while (pn) - { - if (!pn->client) tpn = pn; /* TAKE NOTE OF FREE ENTRY */ - if (pn->client == client) break; - pn = pn->next; - } - - /* IS THE CLIENT ALREADY ON THE LIST? */ - - if (pn) - { - /* REMOVE IT? */ - - if (!onoff) - { - pn->client = NULL; - FreeResource(pn->id, XvRTPortNotify); - } - - return Success; - } - - /* DIDN'T FIND IT; SO REUSE LIST ELEMENT IF ONE IS FREE OTHERWISE - CREATE A NEW ONE AND ADD IT TO THE BEGINNING OF THE LIST */ - - if (!tpn) - { - if (!(tpn = malloc(sizeof(XvPortNotifyRec)))) - return BadAlloc; - tpn->next = pPort->pNotify; - pPort->pNotify = tpn; - } - - tpn->client = client; - tpn->id = FakeClientID(client->index); - AddResource(tpn->id, XvRTPortNotify, tpn); - - return Success; - -} - -int -XvdiStopVideo( - ClientPtr client, - XvPortPtr pPort, - DrawablePtr pDraw -){ - int status; - - /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */ - - if (!pPort->pDraw || (pPort->pDraw != pDraw)) - { - XvdiSendVideoNotify(pPort, pDraw, XvStopped); - return Success; - } - - /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN - INFORM CLIENT OF ITS FAILURE */ - - if ((client) && (pPort->grab.client) && (pPort->grab.client != client)) - { - XvdiSendVideoNotify(pPort, pDraw, XvBusy); - return Success; - } - - XvdiSendVideoNotify(pPort, pDraw, XvStopped); - - status = (* pPort->pAdaptor->ddStopVideo)(client, pPort, pDraw); - - pPort->pDraw = NULL; - pPort->client = (ClientPtr)client; - pPort->time = currentTime; - - return status; - -} - -int -XvdiPreemptVideo( - ClientPtr client, - XvPortPtr pPort, - DrawablePtr pDraw -){ - int status; - - /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */ - - if (!pPort->pDraw || (pPort->pDraw != pDraw)) return Success; - - XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted); - - status = (* pPort->pAdaptor->ddStopVideo)(client, pPort, pPort->pDraw); - - pPort->pDraw = NULL; - pPort->client = (ClientPtr)client; - pPort->time = currentTime; - - return status; - -} - -int -XvdiMatchPort( - XvPortPtr pPort, - DrawablePtr pDraw -){ - - XvAdaptorPtr pa; - XvFormatPtr pf; - int nf; - - pa = pPort->pAdaptor; - - if (pa->pScreen != pDraw->pScreen) return BadMatch; - - nf = pa->nFormats; - pf = pa->pFormats; - - while (nf--) - { - if (pf->depth == pDraw->depth) - return Success; - pf++; - } - - return BadMatch; - -} - -int -XvdiSetPortAttribute( - ClientPtr client, - XvPortPtr pPort, - Atom attribute, - INT32 value -){ - int status; - - status = (* pPort->pAdaptor->ddSetPortAttribute)(client, pPort, attribute, value); - if (status == Success) - XvdiSendPortNotify(pPort, attribute, value); - - return status; -} - -int -XvdiGetPortAttribute( - ClientPtr client, - XvPortPtr pPort, - Atom attribute, - INT32 *p_value -){ - - return - (* pPort->pAdaptor->ddGetPortAttribute)(client, pPort, attribute, p_value); - -} - -static void -WriteSwappedVideoNotifyEvent(xvEvent *from, xvEvent *to) - -{ - - to->u.u.type = from->u.u.type; - to->u.u.detail = from->u.u.detail; - cpswaps(from->u.videoNotify.sequenceNumber, - to->u.videoNotify.sequenceNumber); - cpswapl(from->u.videoNotify.time, to->u.videoNotify.time); - cpswapl(from->u.videoNotify.drawable, to->u.videoNotify.drawable); - cpswapl(from->u.videoNotify.port, to->u.videoNotify.port); - -} - -static void -WriteSwappedPortNotifyEvent(xvEvent *from, xvEvent *to) - -{ - - to->u.u.type = from->u.u.type; - to->u.u.detail = from->u.u.detail; - cpswaps(from->u.portNotify.sequenceNumber, to->u.portNotify.sequenceNumber); - cpswapl(from->u.portNotify.time, to->u.portNotify.time); - cpswapl(from->u.portNotify.port, to->u.portNotify.port); - cpswapl(from->u.portNotify.value, to->u.portNotify.value); - -} +/*********************************************************** +Copyright 1991 by Digital Equipment Corporation, Maynard, Massachusetts, +and the Massachusetts Institute of Technology, Cambridge, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +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 names of Digital or MIT not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL 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. + +******************************************************************/ + +/* +** File: +** +** xvmain.c --- Xv server extension main device independent module. +** +** Author: +** +** David Carver (Digital Workstation Engineering/Project Athena) +** +** Revisions: +** +** 04.09.91 Carver +** - change: stop video always generates an event even when video +** wasn't active +** +** 29.08.91 Carver +** - change: unrealizing windows no longer preempts video +** +** 11.06.91 Carver +** - changed SetPortControl to SetPortAttribute +** - changed GetPortControl to GetPortAttribute +** - changed QueryBestSize +** +** 28.05.91 Carver +** - fixed Put and Get requests to not preempt operations to same drawable +** +** 15.05.91 Carver +** - version 2.0 upgrade +** +** 19.03.91 Carver +** - fixed Put and Get requests to honor grabbed ports. +** - fixed Video requests to update di structure with new drawable, and +** client after calling ddx. +** +** 24.01.91 Carver +** - version 1.4 upgrade +** +** Notes: +** +** Port structures reference client structures in a two different +** ways: when grabs, or video is active. Each reference is encoded +** as fake client resources and thus when the client is goes away so +** does the reference (it is zeroed). No other action is taken, so +** video doesn't necessarily stop. It probably will as a result of +** other resources going away, but if a client starts video using +** none of its own resources, then the video will continue to play +** after the client disappears. +** +** +*/ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include + +#include +#include +#include "misc.h" +#include "os.h" +#include "scrnintstr.h" +#include "windowstr.h" +#include "pixmapstr.h" +#include "gc.h" +#include "extnsionst.h" +#include "dixstruct.h" +#include "resource.h" +#include "opaque.h" +#include "input.h" + +#define GLOBAL + +#include +#include +#include "xvdix.h" + +#ifdef PANORAMIX +#include "panoramiX.h" +#include "panoramiXsrv.h" +#endif +#include "xvdisp.h" + +static DevPrivateKeyRec XvScreenKeyRec; +#define XvScreenKey (&XvScreenKeyRec) +unsigned long XvExtensionGeneration = 0; +unsigned long XvScreenGeneration = 0; +unsigned long XvResourceGeneration = 0; + +int XvReqCode; +int XvEventBase; +int XvErrorBase; + +RESTYPE XvRTPort; +RESTYPE XvRTEncoding; +RESTYPE XvRTGrab; +RESTYPE XvRTVideoNotify; +RESTYPE XvRTVideoNotifyList; +RESTYPE XvRTPortNotify; + +/* EXTERNAL */ + +static void WriteSwappedVideoNotifyEvent(xvEvent *, xvEvent *); +static void WriteSwappedPortNotifyEvent(xvEvent *, xvEvent *); +static Bool CreateResourceTypes(void); + +static Bool XvCloseScreen(int, ScreenPtr); +static Bool XvDestroyPixmap(PixmapPtr); +static Bool XvDestroyWindow(WindowPtr); +static void XvResetProc(ExtensionEntry*); +static int XvdiDestroyGrab(pointer, XID); +static int XvdiDestroyEncoding(pointer, XID); +static int XvdiDestroyVideoNotify(pointer, XID); +static int XvdiDestroyPortNotify(pointer, XID); +static int XvdiDestroyVideoNotifyList(pointer, XID); +static int XvdiDestroyPort(pointer, XID); +static int XvdiSendVideoNotify(XvPortPtr, DrawablePtr, int); + + + + +/* +** XvExtensionInit +** +** +*/ + +void +XvExtensionInit(void) +{ + ExtensionEntry *extEntry; + + if (!dixRegisterPrivateKey(&XvScreenKeyRec, PRIVATE_SCREEN, 0)) + return; + + /* LOOK TO SEE IF ANY SCREENS WERE INITIALIZED; IF NOT THEN + INIT GLOBAL VARIABLES SO THE EXTENSION CAN FUNCTION */ + if (XvScreenGeneration != serverGeneration) + { + if (!CreateResourceTypes()) + { + ErrorF("XvExtensionInit: Unable to allocate resource types\n"); + return; + } +#ifdef PANORAMIX + XineramaRegisterConnectionBlockCallback(XineramifyXv); +#endif + XvScreenGeneration = serverGeneration; + } + + if (XvExtensionGeneration != serverGeneration) + { + XvExtensionGeneration = serverGeneration; + + extEntry = AddExtension(XvName, XvNumEvents, XvNumErrors, + ProcXvDispatch, SProcXvDispatch, + XvResetProc, StandardMinorOpcode); + if (!extEntry) + { + FatalError("XvExtensionInit: AddExtensions failed\n"); + } + + XvReqCode = extEntry->base; + XvEventBase = extEntry->eventBase; + XvErrorBase = extEntry->errorBase; + + EventSwapVector[XvEventBase+XvVideoNotify] = + (EventSwapPtr)WriteSwappedVideoNotifyEvent; + EventSwapVector[XvEventBase+XvPortNotify] = + (EventSwapPtr)WriteSwappedPortNotifyEvent; + + SetResourceTypeErrorValue(XvRTPort, _XvBadPort); + (void)MakeAtom(XvName, strlen(XvName), xTrue); + + } +} + +static Bool +CreateResourceTypes(void) + +{ + + if (XvResourceGeneration == serverGeneration) return TRUE; + + XvResourceGeneration = serverGeneration; + + if (!(XvRTPort = CreateNewResourceType(XvdiDestroyPort, "XvRTPort"))) + { + ErrorF("CreateResourceTypes: failed to allocate port resource.\n"); + return FALSE; + } + + if (!(XvRTGrab = CreateNewResourceType(XvdiDestroyGrab, "XvRTGrab"))) + { + ErrorF("CreateResourceTypes: failed to allocate grab resource.\n"); + return FALSE; + } + + if (!(XvRTEncoding = CreateNewResourceType(XvdiDestroyEncoding, + "XvRTEncoding"))) + { + ErrorF("CreateResourceTypes: failed to allocate encoding resource.\n"); + return FALSE; + } + + if (!(XvRTVideoNotify = CreateNewResourceType(XvdiDestroyVideoNotify, + "XvRTVideoNotify"))) + { + ErrorF("CreateResourceTypes: failed to allocate video notify resource.\n"); + return FALSE; + } + + if (!(XvRTVideoNotifyList = CreateNewResourceType(XvdiDestroyVideoNotifyList, + "XvRTVideoNotifyList"))) + { + ErrorF("CreateResourceTypes: failed to allocate video notify list resource.\n"); + return FALSE; + } + + if (!(XvRTPortNotify = CreateNewResourceType(XvdiDestroyPortNotify, + "XvRTPortNotify"))) + { + ErrorF("CreateResourceTypes: failed to allocate port notify resource.\n"); + return FALSE; + } + + return TRUE; + +} + +int +XvScreenInit(ScreenPtr pScreen) +{ + XvScreenPtr pxvs; + + if (XvScreenGeneration != serverGeneration) + { + if (!CreateResourceTypes()) + { + ErrorF("XvScreenInit: Unable to allocate resource types\n"); + return BadAlloc; + } +#ifdef PANORAMIX + XineramaRegisterConnectionBlockCallback(XineramifyXv); +#endif + XvScreenGeneration = serverGeneration; + } + + if (!dixRegisterPrivateKey(&XvScreenKeyRec, PRIVATE_SCREEN, 0)) + return BadAlloc; + + if (dixLookupPrivate(&pScreen->devPrivates, XvScreenKey)) + { + ErrorF("XvScreenInit: screen devPrivates ptr non-NULL before init\n"); + } + + /* ALLOCATE SCREEN PRIVATE RECORD */ + + pxvs = calloc (1,sizeof (XvScreenRec)); + if (!pxvs) + { + ErrorF("XvScreenInit: Unable to allocate screen private structure\n"); + return BadAlloc; + } + + dixSetPrivate(&pScreen->devPrivates, XvScreenKey, pxvs); + + pxvs->DestroyPixmap = pScreen->DestroyPixmap; + pxvs->DestroyWindow = pScreen->DestroyWindow; + pxvs->CloseScreen = pScreen->CloseScreen; + + pScreen->DestroyPixmap = XvDestroyPixmap; + pScreen->DestroyWindow = XvDestroyWindow; + pScreen->CloseScreen = XvCloseScreen; + + return Success; +} + +static Bool +XvCloseScreen( + int ii, + ScreenPtr pScreen +){ + + XvScreenPtr pxvs; + + pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XvScreenKey); + + pScreen->DestroyPixmap = pxvs->DestroyPixmap; + pScreen->DestroyWindow = pxvs->DestroyWindow; + pScreen->CloseScreen = pxvs->CloseScreen; + + if (pxvs->ddCloseScreen) (* pxvs->ddCloseScreen)(ii, pScreen); + + free(pxvs); + + dixSetPrivate(&pScreen->devPrivates, XvScreenKey, NULL); + + return (*pScreen->CloseScreen)(ii, pScreen); +} + +static void +XvResetProc(ExtensionEntry* extEntry) +{ + XvResetProcVector(); +} + +DevPrivateKey +XvGetScreenKey(void) +{ + return XvScreenKey; +} + +unsigned long +XvGetRTPort(void) +{ + return XvRTPort; +} + +static Bool +XvDestroyPixmap(PixmapPtr pPix) +{ + Bool status; + ScreenPtr pScreen; + XvScreenPtr pxvs; + XvAdaptorPtr pa; + int na; + XvPortPtr pp; + int np; + + pScreen = pPix->drawable.pScreen; + + SCREEN_PROLOGUE(pScreen, DestroyPixmap); + + pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XvScreenKey); + + /* CHECK TO SEE IF THIS PORT IS IN USE */ + + pa = pxvs->pAdaptors; + na = pxvs->nAdaptors; + while (na--) + { + np = pa->nPorts; + pp = pa->pPorts; + + while (np--) + { + if (pp->pDraw == (DrawablePtr)pPix) + { + XvdiSendVideoNotify(pp, pp->pDraw, XvPreempted); + + (void)(* pp->pAdaptor->ddStopVideo)(NULL, pp, pp->pDraw); + + pp->pDraw = NULL; + pp->client = NULL; + pp->time = currentTime; + } + pp++; + } + pa++; + } + + status = (* pScreen->DestroyPixmap)(pPix); + + SCREEN_EPILOGUE(pScreen, DestroyPixmap, XvDestroyPixmap); + + return status; + +} + +static Bool +XvDestroyWindow(WindowPtr pWin) +{ + Bool status; + ScreenPtr pScreen; + XvScreenPtr pxvs; + XvAdaptorPtr pa; + int na; + XvPortPtr pp; + int np; + + pScreen = pWin->drawable.pScreen; + + SCREEN_PROLOGUE(pScreen, DestroyWindow); + + pxvs = (XvScreenPtr)dixLookupPrivate(&pScreen->devPrivates, XvScreenKey); + + /* CHECK TO SEE IF THIS PORT IS IN USE */ + + pa = pxvs->pAdaptors; + na = pxvs->nAdaptors; + while (na--) + { + np = pa->nPorts; + pp = pa->pPorts; + + while (np--) + { + if (pp->pDraw == (DrawablePtr)pWin) + { + XvdiSendVideoNotify(pp, pp->pDraw, XvPreempted); + + (void)(* pp->pAdaptor->ddStopVideo)(NULL, pp, pp->pDraw); + + pp->pDraw = NULL; + pp->client = NULL; + pp->time = currentTime; + } + pp++; + } + pa++; + } + + + status = (* pScreen->DestroyWindow)(pWin); + + SCREEN_EPILOGUE(pScreen, DestroyWindow, XvDestroyWindow); + + return status; + +} + +/* The XvdiVideoStopped procedure is a hook for the device dependent layer. + It provides a way for the dd layer to inform the di layer that video has + stopped in a port for reasons that the di layer had no control over; note + that it doesn't call back into the dd layer */ + +int +XvdiVideoStopped(XvPortPtr pPort, int reason) +{ + + /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */ + + if (!pPort->pDraw) return Success; + + XvdiSendVideoNotify(pPort, pPort->pDraw, reason); + + pPort->pDraw = NULL; + pPort->client = NULL; + pPort->time = currentTime; + + return Success; + +} + +static int +XvdiDestroyPort(pointer pPort, XID id) +{ + return (* ((XvPortPtr)pPort)->pAdaptor->ddFreePort)(pPort); +} + +static int +XvdiDestroyGrab(pointer pGrab, XID id) +{ + ((XvGrabPtr)pGrab)->client = NULL; + return Success; +} + +static int +XvdiDestroyVideoNotify(pointer pn, XID id) +{ + /* JUST CLEAR OUT THE client POINTER FIELD */ + + ((XvVideoNotifyPtr)pn)->client = NULL; + return Success; +} + +static int +XvdiDestroyPortNotify(pointer pn, XID id) +{ + /* JUST CLEAR OUT THE client POINTER FIELD */ + + ((XvPortNotifyPtr)pn)->client = NULL; + return Success; +} + +static int +XvdiDestroyVideoNotifyList(pointer pn, XID id) +{ + XvVideoNotifyPtr npn,cpn; + + /* ACTUALLY DESTROY THE NOTITY LIST */ + + cpn = (XvVideoNotifyPtr)pn; + + while (cpn) + { + npn = cpn->next; + if (cpn->client) FreeResource(cpn->id, XvRTVideoNotify); + free(cpn); + cpn = npn; + } + return Success; +} + +static int +XvdiDestroyEncoding(pointer value, XID id) +{ + return Success; +} + +static int +XvdiSendVideoNotify(XvPortPtr pPort, DrawablePtr pDraw, int reason) +{ + xvEvent event; + XvVideoNotifyPtr pn; + + dixLookupResourceByType((pointer *)&pn, pDraw->id, XvRTVideoNotifyList, + serverClient, DixReadAccess); + + while (pn) + { + event.u.u.type = XvEventBase + XvVideoNotify; + event.u.videoNotify.time = currentTime.milliseconds; + event.u.videoNotify.drawable = pDraw->id; + event.u.videoNotify.port = pPort->id; + event.u.videoNotify.reason = reason; + WriteEventsToClient(pn->client, 1, (xEventPtr)&event); + pn = pn->next; + } + + return Success; + +} + + +int +XvdiSendPortNotify( + XvPortPtr pPort, + Atom attribute, + INT32 value +){ + xvEvent event; + XvPortNotifyPtr pn; + + pn = pPort->pNotify; + + while (pn) + { + event.u.u.type = XvEventBase + XvPortNotify; + event.u.portNotify.time = currentTime.milliseconds; + event.u.portNotify.port = pPort->id; + event.u.portNotify.attribute = attribute; + event.u.portNotify.value = value; + WriteEventsToClient(pn->client, 1, (xEventPtr)&event); + pn = pn->next; + } + + return Success; + +} + + +#define CHECK_SIZE(dw, dh, sw, sh) { \ + if(!dw || !dh || !sw || !sh) return Success; \ + /* The region code will break these if they are too large */ \ + if((dw > 32767) || (dh > 32767) || (sw > 32767) || (sh > 32767)) \ + return BadValue; \ +} + + +int +XvdiPutVideo( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h +){ + DrawablePtr pOldDraw; + + CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); + + /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ + + UpdateCurrentTime(); + + /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN + INFORM CLIENT OF ITS FAILURE */ + + if (pPort->grab.client && (pPort->grab.client != client)) + { + XvdiSendVideoNotify(pPort, pDraw, XvBusy); + return Success; + } + + /* CHECK TO SEE IF PORT IS IN USE; IF SO THEN WE MUST DELIVER INTERRUPTED + EVENTS TO ANY CLIENTS WHO WANT THEM */ + + pOldDraw = pPort->pDraw; + if ((pOldDraw) && (pOldDraw != pDraw)) + { + XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted); + } + + (void) (* pPort->pAdaptor->ddPutVideo)(client, pDraw, pPort, pGC, + vid_x, vid_y, vid_w, vid_h, + drw_x, drw_y, drw_w, drw_h); + + if ((pPort->pDraw) && (pOldDraw != pDraw)) + { + pPort->client = client; + XvdiSendVideoNotify(pPort, pPort->pDraw, XvStarted); + } + + pPort->time = currentTime; + + return Success; + +} + +int +XvdiPutStill( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h +){ + int status; + + CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); + + /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ + + UpdateCurrentTime(); + + /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN + INFORM CLIENT OF ITS FAILURE */ + + if (pPort->grab.client && (pPort->grab.client != client)) + { + XvdiSendVideoNotify(pPort, pDraw, XvBusy); + return Success; + } + + pPort->time = currentTime; + + status = (* pPort->pAdaptor->ddPutStill)(client, pDraw, pPort, pGC, + vid_x, vid_y, vid_w, vid_h, + drw_x, drw_y, drw_w, drw_h); + + return status; + +} + +int +XvdiPutImage( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 src_x, INT16 src_y, + CARD16 src_w, CARD16 src_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h, + XvImagePtr image, + unsigned char* data, + Bool sync, + CARD16 width, CARD16 height +){ + CHECK_SIZE(drw_w, drw_h, src_w, src_h); + + /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ + + UpdateCurrentTime(); + + /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN + INFORM CLIENT OF ITS FAILURE */ + + if (pPort->grab.client && (pPort->grab.client != client)) + { + XvdiSendVideoNotify(pPort, pDraw, XvBusy); + return Success; + } + + pPort->time = currentTime; + + return (* pPort->pAdaptor->ddPutImage)(client, pDraw, pPort, pGC, + src_x, src_y, src_w, src_h, + drw_x, drw_y, drw_w, drw_h, + image, data, sync, width, height); +} + + +int +XvdiGetVideo( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h +){ + DrawablePtr pOldDraw; + + CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); + + /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ + + UpdateCurrentTime(); + + /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN + INFORM CLIENT OF ITS FAILURE */ + + if (pPort->grab.client && (pPort->grab.client != client)) + { + XvdiSendVideoNotify(pPort, pDraw, XvBusy); + return Success; + } + + /* CHECK TO SEE IF PORT IS IN USE; IF SO THEN WE MUST DELIVER INTERRUPTED + EVENTS TO ANY CLIENTS WHO WANT THEM */ + + pOldDraw = pPort->pDraw; + if ((pOldDraw) && (pOldDraw != pDraw)) + { + XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted); + } + + (void) (* pPort->pAdaptor->ddGetVideo)(client, pDraw, pPort, pGC, + vid_x, vid_y, vid_w, vid_h, + drw_x, drw_y, drw_w, drw_h); + + if ((pPort->pDraw) && (pOldDraw != pDraw)) + { + pPort->client = client; + XvdiSendVideoNotify(pPort, pPort->pDraw, XvStarted); + } + + pPort->time = currentTime; + + return Success; + +} + +int +XvdiGetStill( + ClientPtr client, + DrawablePtr pDraw, + XvPortPtr pPort, + GCPtr pGC, + INT16 vid_x, INT16 vid_y, + CARD16 vid_w, CARD16 vid_h, + INT16 drw_x, INT16 drw_y, + CARD16 drw_w, CARD16 drw_h +){ + int status; + + CHECK_SIZE(drw_w, drw_h, vid_w, vid_h); + + /* UPDATE TIME VARIABLES FOR USE IN EVENTS */ + + UpdateCurrentTime(); + + /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN + INFORM CLIENT OF ITS FAILURE */ + + if (pPort->grab.client && (pPort->grab.client != client)) + { + XvdiSendVideoNotify(pPort, pDraw, XvBusy); + return Success; + } + + status = (* pPort->pAdaptor->ddGetStill)(client, pDraw, pPort, pGC, + vid_x, vid_y, vid_w, vid_h, + drw_x, drw_y, drw_w, drw_h); + + pPort->time = currentTime; + + return status; + +} + +int +XvdiGrabPort( + ClientPtr client, + XvPortPtr pPort, + Time ctime, + int *p_result +){ + unsigned long id; + TimeStamp time; + + UpdateCurrentTime(); + time = ClientTimeToServerTime(ctime); + + if (pPort->grab.client && (client != pPort->grab.client)) + { + *p_result = XvAlreadyGrabbed; + return Success; + } + + if ((CompareTimeStamps(time, currentTime) == LATER) || + (CompareTimeStamps(time, pPort->time) == EARLIER)) + { + *p_result = XvInvalidTime; + return Success; + } + + if (client == pPort->grab.client) + { + *p_result = Success; + return Success; + } + + id = FakeClientID(client->index); + + if (!AddResource(id, XvRTGrab, &pPort->grab)) + { + return BadAlloc; + } + + /* IF THERE IS ACTIVE VIDEO THEN STOP IT */ + + if ((pPort->pDraw) && (client != pPort->client)) + { + XvdiStopVideo(NULL, pPort, pPort->pDraw); + } + + pPort->grab.client = client; + pPort->grab.id = id; + + pPort->time = currentTime; + + *p_result = Success; + + return Success; + +} + +int +XvdiUngrabPort( + ClientPtr client, + XvPortPtr pPort, + Time ctime +){ + TimeStamp time; + + UpdateCurrentTime(); + time = ClientTimeToServerTime(ctime); + + if ((!pPort->grab.client) || (client != pPort->grab.client)) + { + return Success; + } + + if ((CompareTimeStamps(time, currentTime) == LATER) || + (CompareTimeStamps(time, pPort->time) == EARLIER)) + { + return Success; + } + + /* FREE THE GRAB RESOURCE; AND SET THE GRAB CLIENT TO NULL */ + + FreeResource(pPort->grab.id, XvRTGrab); + pPort->grab.client = NULL; + + pPort->time = currentTime; + + return Success; + +} + + +int +XvdiSelectVideoNotify( + ClientPtr client, + DrawablePtr pDraw, + BOOL onoff +){ + XvVideoNotifyPtr pn,tpn,fpn; + int rc; + + /* FIND VideoNotify LIST */ + + rc = dixLookupResourceByType((pointer *)&pn, pDraw->id, XvRTVideoNotifyList, + client, DixWriteAccess); + if (rc != Success && rc != BadValue) + return rc; + + /* IF ONE DONES'T EXIST AND NO MASK, THEN JUST RETURN */ + + if (!onoff && !pn) return Success; + + /* IF ONE DOESN'T EXIST CREATE IT AND ADD A RESOURCE SO THAT THE LIST + WILL BE DELETED WHEN THE DRAWABLE IS DESTROYED */ + + if (!pn) + { + if (!(tpn = malloc(sizeof(XvVideoNotifyRec)))) + return BadAlloc; + tpn->next = NULL; + if (!AddResource(pDraw->id, XvRTVideoNotifyList, tpn)) + { + free(tpn); + return BadAlloc; + } + } + else + { + /* LOOK TO SEE IF ENTRY ALREADY EXISTS */ + + fpn = NULL; + tpn = pn; + while (tpn) + { + if (tpn->client == client) + { + if (!onoff) tpn->client = NULL; + return Success; + } + if (!tpn->client) fpn = tpn; /* TAKE NOTE OF FREE ENTRY */ + tpn = tpn->next; + } + + /* IF TUNNING OFF, THEN JUST RETURN */ + + if (!onoff) return Success; + + /* IF ONE ISN'T FOUND THEN ALLOCATE ONE AND LINK IT INTO THE LIST */ + + if (fpn) + { + tpn = fpn; + } + else + { + if (!(tpn = malloc(sizeof(XvVideoNotifyRec)))) + return BadAlloc; + tpn->next = pn->next; + pn->next = tpn; + } + } + + /* INIT CLIENT PTR IN CASE WE CAN'T ADD RESOURCE */ + /* ADD RESOURCE SO THAT IF CLIENT EXITS THE CLIENT PTR WILL BE CLEARED */ + + tpn->client = NULL; + tpn->id = FakeClientID(client->index); + AddResource(tpn->id, XvRTVideoNotify, tpn); + + tpn->client = client; + return Success; + +} + +int +XvdiSelectPortNotify( + ClientPtr client, + XvPortPtr pPort, + BOOL onoff +){ + XvPortNotifyPtr pn,tpn; + + /* SEE IF CLIENT IS ALREADY IN LIST */ + + tpn = NULL; + pn = pPort->pNotify; + while (pn) + { + if (!pn->client) tpn = pn; /* TAKE NOTE OF FREE ENTRY */ + if (pn->client == client) break; + pn = pn->next; + } + + /* IS THE CLIENT ALREADY ON THE LIST? */ + + if (pn) + { + /* REMOVE IT? */ + + if (!onoff) + { + pn->client = NULL; + FreeResource(pn->id, XvRTPortNotify); + } + + return Success; + } + + /* DIDN'T FIND IT; SO REUSE LIST ELEMENT IF ONE IS FREE OTHERWISE + CREATE A NEW ONE AND ADD IT TO THE BEGINNING OF THE LIST */ + + if (!tpn) + { + if (!(tpn = malloc(sizeof(XvPortNotifyRec)))) + return BadAlloc; + tpn->next = pPort->pNotify; + pPort->pNotify = tpn; + } + + tpn->client = client; + tpn->id = FakeClientID(client->index); + AddResource(tpn->id, XvRTPortNotify, tpn); + + return Success; + +} + +int +XvdiStopVideo( + ClientPtr client, + XvPortPtr pPort, + DrawablePtr pDraw +){ + int status; + + /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */ + + if (!pPort->pDraw || (pPort->pDraw != pDraw)) + { + XvdiSendVideoNotify(pPort, pDraw, XvStopped); + return Success; + } + + /* CHECK FOR GRAB; IF THIS CLIENT DOESN'T HAVE THE PORT GRABBED THEN + INFORM CLIENT OF ITS FAILURE */ + + if ((client) && (pPort->grab.client) && (pPort->grab.client != client)) + { + XvdiSendVideoNotify(pPort, pDraw, XvBusy); + return Success; + } + + XvdiSendVideoNotify(pPort, pDraw, XvStopped); + + status = (* pPort->pAdaptor->ddStopVideo)(client, pPort, pDraw); + + pPort->pDraw = NULL; + pPort->client = (ClientPtr)client; + pPort->time = currentTime; + + return status; + +} + +int +XvdiPreemptVideo( + ClientPtr client, + XvPortPtr pPort, + DrawablePtr pDraw +){ + int status; + + /* IF PORT ISN'T ACTIVE THEN WE'RE DONE */ + + if (!pPort->pDraw || (pPort->pDraw != pDraw)) return Success; + + XvdiSendVideoNotify(pPort, pPort->pDraw, XvPreempted); + + status = (* pPort->pAdaptor->ddStopVideo)(client, pPort, pPort->pDraw); + + pPort->pDraw = NULL; + pPort->client = (ClientPtr)client; + pPort->time = currentTime; + + return status; + +} + +int +XvdiMatchPort( + XvPortPtr pPort, + DrawablePtr pDraw +){ + + XvAdaptorPtr pa; + XvFormatPtr pf; + int nf; + + pa = pPort->pAdaptor; + + if (pa->pScreen != pDraw->pScreen) return BadMatch; + + nf = pa->nFormats; + pf = pa->pFormats; + + while (nf--) + { + if (pf->depth == pDraw->depth) + return Success; + pf++; + } + + return BadMatch; + +} + +int +XvdiSetPortAttribute( + ClientPtr client, + XvPortPtr pPort, + Atom attribute, + INT32 value +){ + int status; + + status = (* pPort->pAdaptor->ddSetPortAttribute)(client, pPort, attribute, value); + if (status == Success) + XvdiSendPortNotify(pPort, attribute, value); + + return status; +} + +int +XvdiGetPortAttribute( + ClientPtr client, + XvPortPtr pPort, + Atom attribute, + INT32 *p_value +){ + + return + (* pPort->pAdaptor->ddGetPortAttribute)(client, pPort, attribute, p_value); + +} + +static void +WriteSwappedVideoNotifyEvent(xvEvent *from, xvEvent *to) + +{ + + to->u.u.type = from->u.u.type; + to->u.u.detail = from->u.u.detail; + cpswaps(from->u.videoNotify.sequenceNumber, + to->u.videoNotify.sequenceNumber); + cpswapl(from->u.videoNotify.time, to->u.videoNotify.time); + cpswapl(from->u.videoNotify.drawable, to->u.videoNotify.drawable); + cpswapl(from->u.videoNotify.port, to->u.videoNotify.port); + +} + +static void +WriteSwappedPortNotifyEvent(xvEvent *from, xvEvent *to) + +{ + + to->u.u.type = from->u.u.type; + to->u.u.detail = from->u.u.detail; + cpswaps(from->u.portNotify.sequenceNumber, to->u.portNotify.sequenceNumber); + cpswapl(from->u.portNotify.time, to->u.portNotify.time); + cpswapl(from->u.portNotify.port, to->u.portNotify.port); + cpswapl(from->u.portNotify.value, to->u.portNotify.value); + +} diff --git a/xorg-server/Xext/xvmc.c b/xorg-server/Xext/xvmc.c index c3354ecef..bc78b55ae 100644 --- a/xorg-server/Xext/xvmc.c +++ b/xorg-server/Xext/xvmc.c @@ -1,790 +1,790 @@ - -#ifdef HAVE_DIX_CONFIG_H -#include -#endif - -#include - -#include -#include -#include "misc.h" -#include "os.h" -#include "dixstruct.h" -#include "resource.h" -#include "scrnintstr.h" -#include "extnsionst.h" -#include "servermd.h" -#include -#include "xvdix.h" -#include -#include -#include -#include "xvmcext.h" -#include "protocol-versions.h" - -#ifdef HAS_XVMCSHM -#include -#include -#include -#endif /* HAS_XVMCSHM */ - - - -#define DR_CLIENT_DRIVER_NAME_SIZE 48 -#define DR_BUSID_SIZE 48 - -static DevPrivateKeyRec XvMCScreenKeyRec; -#define XvMCScreenKey (&XvMCScreenKeyRec) -static Bool XvMCInUse; - -unsigned long XvMCGeneration = 0; - -int XvMCReqCode; -int XvMCEventBase; - -static RESTYPE XvMCRTContext; -static RESTYPE XvMCRTSurface; -static RESTYPE XvMCRTSubpicture; - -typedef struct { - int num_adaptors; - XvMCAdaptorPtr adaptors; - CloseScreenProcPtr CloseScreen; - char clientDriverName[DR_CLIENT_DRIVER_NAME_SIZE]; - char busID[DR_BUSID_SIZE]; - int major; - int minor; - int patchLevel; -} XvMCScreenRec, *XvMCScreenPtr; - -#define XVMC_GET_PRIVATE(pScreen) \ - (XvMCScreenPtr)(dixLookupPrivate(&(pScreen)->devPrivates, XvMCScreenKey)) - - -static int -XvMCDestroyContextRes(pointer data, XID id) -{ - XvMCContextPtr pContext = (XvMCContextPtr)data; - - pContext->refcnt--; - - if(!pContext->refcnt) { - XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); - (*pScreenPriv->adaptors[pContext->adapt_num].DestroyContext)(pContext); - free(pContext); - } - - return Success; -} - -static int -XvMCDestroySurfaceRes(pointer data, XID id) -{ - XvMCSurfacePtr pSurface = (XvMCSurfacePtr)data; - XvMCContextPtr pContext = pSurface->context; - XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); - - (*pScreenPriv->adaptors[pContext->adapt_num].DestroySurface)(pSurface); - free(pSurface); - - XvMCDestroyContextRes((pointer)pContext, pContext->context_id); - - return Success; -} - - -static int -XvMCDestroySubpictureRes(pointer data, XID id) -{ - XvMCSubpicturePtr pSubpict = (XvMCSubpicturePtr)data; - XvMCContextPtr pContext = pSubpict->context; - XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); - - (*pScreenPriv->adaptors[pContext->adapt_num].DestroySubpicture)(pSubpict); - free(pSubpict); - - XvMCDestroyContextRes((pointer)pContext, pContext->context_id); - - return Success; -} - -static int -ProcXvMCQueryVersion(ClientPtr client) -{ - xvmcQueryVersionReply rep; - /* REQUEST(xvmcQueryVersionReq); */ - REQUEST_SIZE_MATCH(xvmcQueryVersionReq); - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = 0; - rep.major = SERVER_XVMC_MAJOR_VERSION; - rep.minor = SERVER_XVMC_MINOR_VERSION; - WriteToClient(client, sizeof(xvmcQueryVersionReply), (char*)&rep); - return Success; -} - - -static int -ProcXvMCListSurfaceTypes(ClientPtr client) -{ - XvPortPtr pPort; - int i; - XvMCScreenPtr pScreenPriv; - xvmcListSurfaceTypesReply rep; - xvmcSurfaceInfo info; - XvMCAdaptorPtr adaptor = NULL; - XvMCSurfaceInfoPtr surface; - REQUEST(xvmcListSurfaceTypesReq); - REQUEST_SIZE_MATCH(xvmcListSurfaceTypesReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - if(XvMCInUse) { /* any adaptors at all */ - ScreenPtr pScreen = pPort->pAdaptor->pScreen; - if((pScreenPriv = XVMC_GET_PRIVATE(pScreen))) { /* any this screen */ - for(i = 0; i < pScreenPriv->num_adaptors; i++) { - if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { - adaptor = &(pScreenPriv->adaptors[i]); - break; - } - } - } - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.num = (adaptor) ? adaptor->num_surfaces : 0; - rep.length = bytes_to_int32(rep.num * sizeof(xvmcSurfaceInfo)); - - WriteToClient(client, sizeof(xvmcListSurfaceTypesReply), (char*)&rep); - - for(i = 0; i < rep.num; i++) { - surface = adaptor->surfaces[i]; - info.surface_type_id = surface->surface_type_id; - info.chroma_format = surface->chroma_format; - info.max_width = surface->max_width; - info.max_height = surface->max_height; - info.subpicture_max_width = surface->subpicture_max_width; - info.subpicture_max_height = surface->subpicture_max_height; - info.mc_type = surface->mc_type; - info.flags = surface->flags; - WriteToClient(client, sizeof(xvmcSurfaceInfo), (char*)&info); - } - - return Success; -} - -static int -ProcXvMCCreateContext(ClientPtr client) -{ - XvPortPtr pPort; - CARD32 *data = NULL; - int dwords = 0; - int i, result, adapt_num = -1; - ScreenPtr pScreen; - XvMCContextPtr pContext; - XvMCScreenPtr pScreenPriv; - XvMCAdaptorPtr adaptor = NULL; - XvMCSurfaceInfoPtr surface = NULL; - xvmcCreateContextReply rep; - REQUEST(xvmcCreateContextReq); - REQUEST_SIZE_MATCH(xvmcCreateContextReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - pScreen = pPort->pAdaptor->pScreen; - - if(!XvMCInUse) /* no XvMC adaptors */ - return BadMatch; - - if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) /* none this screen */ - return BadMatch; - - for(i = 0; i < pScreenPriv->num_adaptors; i++) { - if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { - adaptor = &(pScreenPriv->adaptors[i]); - adapt_num = i; - break; - } - } - - if(adapt_num < 0) /* none this port */ - return BadMatch; - - for(i = 0; i < adaptor->num_surfaces; i++) { - if(adaptor->surfaces[i]->surface_type_id == stuff->surface_type_id) { - surface = adaptor->surfaces[i]; - break; - } - } - - /* adaptor doesn't support this suface_type_id */ - if(!surface) return BadMatch; - - - if((stuff->width > surface->max_width) || - (stuff->height > surface->max_height)) - return BadValue; - - if(!(pContext = malloc(sizeof(XvMCContextRec)))) { - return BadAlloc; - } - - - pContext->pScreen = pScreen; - pContext->adapt_num = adapt_num; - pContext->context_id = stuff->context_id; - pContext->surface_type_id = stuff->surface_type_id; - pContext->width = stuff->width; - pContext->height = stuff->height; - pContext->flags = stuff->flags; - pContext->refcnt = 1; - - result = (*adaptor->CreateContext)(pPort, pContext, &dwords, &data); - - if(result != Success) { - free(pContext); - return result; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.width_actual = pContext->width; - rep.height_actual = pContext->height; - rep.flags_return = pContext->flags; - rep.length = dwords; - - WriteToClient(client, sizeof(xvmcCreateContextReply), (char*)&rep); - if(dwords) - WriteToClient(client, dwords << 2, (char*)data); - AddResource(pContext->context_id, XvMCRTContext, pContext); - - free(data); - - return Success; -} - -static int -ProcXvMCDestroyContext(ClientPtr client) -{ - pointer val; - int rc; - REQUEST(xvmcDestroyContextReq); - REQUEST_SIZE_MATCH(xvmcDestroyContextReq); - - rc = dixLookupResourceByType(&val, stuff->context_id, XvMCRTContext, - client, DixDestroyAccess); - if (rc != Success) - return rc; - - FreeResource(stuff->context_id, RT_NONE); - - return Success; -} - -static int -ProcXvMCCreateSurface(ClientPtr client) -{ - CARD32 *data = NULL; - int dwords = 0; - int result; - XvMCContextPtr pContext; - XvMCSurfacePtr pSurface; - XvMCScreenPtr pScreenPriv; - xvmcCreateSurfaceReply rep; - REQUEST(xvmcCreateSurfaceReq); - REQUEST_SIZE_MATCH(xvmcCreateSurfaceReq); - - result = dixLookupResourceByType((pointer *)&pContext, stuff->context_id, - XvMCRTContext, client, DixUseAccess); - if (result != Success) - return result; - - pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); - - if(!(pSurface = malloc(sizeof(XvMCSurfaceRec)))) - return BadAlloc; - - pSurface->surface_id = stuff->surface_id; - pSurface->surface_type_id = pContext->surface_type_id; - pSurface->context = pContext; - - result = (*pScreenPriv->adaptors[pContext->adapt_num].CreateSurface)( - pSurface, &dwords, &data); - - if(result != Success) { - free(pSurface); - return result; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.length = dwords; - - WriteToClient(client, sizeof(xvmcCreateSurfaceReply), (char*)&rep); - if(dwords) - WriteToClient(client, dwords << 2, (char*)data); - AddResource(pSurface->surface_id, XvMCRTSurface, pSurface); - - free(data); - - pContext->refcnt++; - - return Success; -} - -static int -ProcXvMCDestroySurface(ClientPtr client) -{ - pointer val; - int rc; - REQUEST(xvmcDestroySurfaceReq); - REQUEST_SIZE_MATCH(xvmcDestroySurfaceReq); - - rc = dixLookupResourceByType(&val, stuff->surface_id, XvMCRTSurface, - client, DixDestroyAccess); - if (rc != Success) - return rc; - - FreeResource(stuff->surface_id, RT_NONE); - - return Success; -} - -static int -ProcXvMCCreateSubpicture(ClientPtr client) -{ - Bool image_supported = FALSE; - CARD32 *data = NULL; - int i, result, dwords = 0; - XvMCContextPtr pContext; - XvMCSubpicturePtr pSubpicture; - XvMCScreenPtr pScreenPriv; - xvmcCreateSubpictureReply rep; - XvMCAdaptorPtr adaptor; - XvMCSurfaceInfoPtr surface = NULL; - REQUEST(xvmcCreateSubpictureReq); - REQUEST_SIZE_MATCH(xvmcCreateSubpictureReq); - - result = dixLookupResourceByType((pointer *)&pContext, stuff->context_id, - XvMCRTContext, client, DixUseAccess); - if (result != Success) - return result; - - pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); - - adaptor = &(pScreenPriv->adaptors[pContext->adapt_num]); - - /* find which surface this context supports */ - for(i = 0; i < adaptor->num_surfaces; i++) { - if(adaptor->surfaces[i]->surface_type_id == pContext->surface_type_id){ - surface = adaptor->surfaces[i]; - break; - } - } - - if(!surface) return BadMatch; - - /* make sure this surface supports that xvimage format */ - if(!surface->compatible_subpictures) return BadMatch; - - for(i = 0; i < surface->compatible_subpictures->num_xvimages; i++) { - if(surface->compatible_subpictures->xvimage_ids[i] == stuff->xvimage_id) { - image_supported = TRUE; - break; - } - } - - if(!image_supported) return BadMatch; - - /* make sure the size is OK */ - if((stuff->width > surface->subpicture_max_width) || - (stuff->height > surface->subpicture_max_height)) - return BadValue; - - if(!(pSubpicture = malloc(sizeof(XvMCSubpictureRec)))) - return BadAlloc; - - pSubpicture->subpicture_id = stuff->subpicture_id; - pSubpicture->xvimage_id = stuff->xvimage_id; - pSubpicture->width = stuff->width; - pSubpicture->height = stuff->height; - pSubpicture->num_palette_entries = 0; /* overwritten by DDX */ - pSubpicture->entry_bytes = 0; /* overwritten by DDX */ - pSubpicture->component_order[0] = 0; /* overwritten by DDX */ - pSubpicture->component_order[1] = 0; - pSubpicture->component_order[2] = 0; - pSubpicture->component_order[3] = 0; - pSubpicture->context = pContext; - - result = (*pScreenPriv->adaptors[pContext->adapt_num].CreateSubpicture)( - pSubpicture, &dwords, &data); - - if(result != Success) { - free(pSubpicture); - return result; - } - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.width_actual = pSubpicture->width; - rep.height_actual = pSubpicture->height; - rep.num_palette_entries = pSubpicture->num_palette_entries; - rep.entry_bytes = pSubpicture->entry_bytes; - rep.component_order[0] = pSubpicture->component_order[0]; - rep.component_order[1] = pSubpicture->component_order[1]; - rep.component_order[2] = pSubpicture->component_order[2]; - rep.component_order[3] = pSubpicture->component_order[3]; - rep.length = dwords; - - WriteToClient(client, sizeof(xvmcCreateSubpictureReply), (char*)&rep); - if(dwords) - WriteToClient(client, dwords << 2, (char*)data); - AddResource(pSubpicture->subpicture_id, XvMCRTSubpicture, pSubpicture); - - free(data); - - pContext->refcnt++; - - return Success; -} - -static int -ProcXvMCDestroySubpicture(ClientPtr client) -{ - pointer val; - int rc; - REQUEST(xvmcDestroySubpictureReq); - REQUEST_SIZE_MATCH(xvmcDestroySubpictureReq); - - rc = dixLookupResourceByType(&val, stuff->subpicture_id, XvMCRTSubpicture, - client, DixDestroyAccess); - if (rc != Success) - return rc; - - FreeResource(stuff->subpicture_id, RT_NONE); - - return Success; -} - - -static int -ProcXvMCListSubpictureTypes(ClientPtr client) -{ - XvPortPtr pPort; - xvmcListSubpictureTypesReply rep; - XvMCScreenPtr pScreenPriv; - ScreenPtr pScreen; - XvMCAdaptorPtr adaptor = NULL; - XvMCSurfaceInfoPtr surface = NULL; - xvImageFormatInfo info; - XvImagePtr pImage; - int i, j; - REQUEST(xvmcListSubpictureTypesReq); - REQUEST_SIZE_MATCH(xvmcListSubpictureTypesReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - pScreen = pPort->pAdaptor->pScreen; - - if (!dixPrivateKeyRegistered(XvMCScreenKey)) - return BadMatch; /* No XvMC adaptors */ - - if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) - return BadMatch; /* None this screen */ - - for(i = 0; i < pScreenPriv->num_adaptors; i++) { - if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { - adaptor = &(pScreenPriv->adaptors[i]); - break; - } - } - - if(!adaptor) return BadMatch; - - for(i = 0; i < adaptor->num_surfaces; i++) { - if(adaptor->surfaces[i]->surface_type_id == stuff->surface_type_id) { - surface = adaptor->surfaces[i]; - break; - } - } - - if(!surface) return BadMatch; - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.num = 0; - if(surface->compatible_subpictures) - rep.num = surface->compatible_subpictures->num_xvimages; - - rep.length = bytes_to_int32(rep.num * sizeof(xvImageFormatInfo)); - - WriteToClient(client, sizeof(xvmcListSubpictureTypesReply), (char*)&rep); - - for(i = 0; i < rep.num; i++) { - pImage = NULL; - for(j = 0; j < adaptor->num_subpictures; j++) { - if(surface->compatible_subpictures->xvimage_ids[i] == - adaptor->subpictures[j]->id) - { - pImage = adaptor->subpictures[j]; - break; - } - } - if(!pImage) return BadImplementation; - - info.id = pImage->id; - info.type = pImage->type; - info.byte_order = pImage->byte_order; - memcpy(&info.guid, pImage->guid, 16); - info.bpp = pImage->bits_per_pixel; - info.num_planes = pImage->num_planes; - info.depth = pImage->depth; - info.red_mask = pImage->red_mask; - info.green_mask = pImage->green_mask; - info.blue_mask = pImage->blue_mask; - info.format = pImage->format; - info.y_sample_bits = pImage->y_sample_bits; - info.u_sample_bits = pImage->u_sample_bits; - info.v_sample_bits = pImage->v_sample_bits; - info.horz_y_period = pImage->horz_y_period; - info.horz_u_period = pImage->horz_u_period; - info.horz_v_period = pImage->horz_v_period; - info.vert_y_period = pImage->vert_y_period; - info.vert_u_period = pImage->vert_u_period; - info.vert_v_period = pImage->vert_v_period; - memcpy(&info.comp_order, pImage->component_order, 32); - info.scanline_order = pImage->scanline_order; - WriteToClient(client, sizeof(xvImageFormatInfo), (char*)&info); - } - - return Success; -} - -static int -ProcXvMCGetDRInfo(ClientPtr client) -{ - xvmcGetDRInfoReply rep; - XvPortPtr pPort; - ScreenPtr pScreen; - XvMCScreenPtr pScreenPriv; - -#ifdef HAS_XVMCSHM - volatile CARD32 *patternP; -#endif - - REQUEST(xvmcGetDRInfoReq); - REQUEST_SIZE_MATCH(xvmcGetDRInfoReq); - - VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); - - pScreen = pPort->pAdaptor->pScreen; - pScreenPriv = XVMC_GET_PRIVATE(pScreen); - - rep.type = X_Reply; - rep.sequenceNumber = client->sequence; - rep.major = pScreenPriv->major; - rep.minor = pScreenPriv->minor; - rep.patchLevel = pScreenPriv->patchLevel; - rep.nameLen = bytes_to_int32(strlen(pScreenPriv->clientDriverName) + 1); - rep.busIDLen = bytes_to_int32(strlen(pScreenPriv->busID) + 1); - - rep.length = rep.nameLen + rep.busIDLen; - rep.nameLen <<=2; - rep.busIDLen <<=2; - - /* - * Read back to the client what she has put in the shared memory - * segment she prepared for us. - */ - - rep.isLocal = 1; -#ifdef HAS_XVMCSHM - patternP = (CARD32 *)shmat( stuff->shmKey, NULL, SHM_RDONLY ); - if ( -1 != (long) patternP) { - volatile CARD32 *patternC = patternP; - int i; - CARD32 magic = stuff->magic; - - rep.isLocal = 1; - i = 1024 / sizeof(CARD32); - - while ( i-- ) { - if (*patternC++ != magic) { - rep.isLocal = 0; - break; - } - magic = ~magic; - } - shmdt( (char *)patternP ); - } -#endif /* HAS_XVMCSHM */ - - WriteToClient(client, sizeof(xvmcGetDRInfoReply), - (char*)&rep); - if (rep.length) { - WriteToClient(client, rep.nameLen, - pScreenPriv->clientDriverName); - WriteToClient(client, rep.busIDLen, - pScreenPriv->busID); - } - return Success; -} - - -int (*ProcXvMCVector[xvmcNumRequest])(ClientPtr) = { - ProcXvMCQueryVersion, - ProcXvMCListSurfaceTypes, - ProcXvMCCreateContext, - ProcXvMCDestroyContext, - ProcXvMCCreateSurface, - ProcXvMCDestroySurface, - ProcXvMCCreateSubpicture, - ProcXvMCDestroySubpicture, - ProcXvMCListSubpictureTypes, - ProcXvMCGetDRInfo -}; - -static int -ProcXvMCDispatch (ClientPtr client) -{ - REQUEST(xReq); - - if(stuff->data < xvmcNumRequest) - return (*ProcXvMCVector[stuff->data])(client); - else - return BadRequest; -} - -static int -SProcXvMCDispatch (ClientPtr client) -{ - /* We only support local */ - return BadImplementation; -} - -void -XvMCExtensionInit(void) -{ - ExtensionEntry *extEntry; - - if (!dixPrivateKeyRegistered(XvMCScreenKey)) - return; - - if(!(XvMCRTContext = CreateNewResourceType(XvMCDestroyContextRes, - "XvMCRTContext"))) - return; - - if(!(XvMCRTSurface = CreateNewResourceType(XvMCDestroySurfaceRes, - "XvMCRTSurface"))) - return; - - if(!(XvMCRTSubpicture = CreateNewResourceType(XvMCDestroySubpictureRes, - "XvMCRTSubpicture"))) - return; - - extEntry = AddExtension(XvMCName, XvMCNumEvents, XvMCNumErrors, - ProcXvMCDispatch, SProcXvMCDispatch, - NULL, StandardMinorOpcode); - - if(!extEntry) return; - - XvMCReqCode = extEntry->base; - XvMCEventBase = extEntry->eventBase; - SetResourceTypeErrorValue(XvMCRTContext, extEntry->errorBase + XvMCBadContext); - SetResourceTypeErrorValue(XvMCRTSurface, extEntry->errorBase + XvMCBadSurface); - SetResourceTypeErrorValue(XvMCRTSubpicture, extEntry->errorBase + XvMCBadSubpicture); -} - -static Bool -XvMCCloseScreen (int i, ScreenPtr pScreen) -{ - XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen); - - pScreen->CloseScreen = pScreenPriv->CloseScreen; - - free(pScreenPriv); - - return (*pScreen->CloseScreen)(i, pScreen); -} - - -int -XvMCScreenInit(ScreenPtr pScreen, int num, XvMCAdaptorPtr pAdapt) -{ - XvMCScreenPtr pScreenPriv; - - if (!dixRegisterPrivateKey(&XvMCScreenKeyRec, PRIVATE_SCREEN, 0)) - return BadAlloc; - - if(!(pScreenPriv = malloc(sizeof(XvMCScreenRec)))) - return BadAlloc; - - dixSetPrivate(&pScreen->devPrivates, XvMCScreenKey, pScreenPriv); - - pScreenPriv->CloseScreen = pScreen->CloseScreen; - pScreen->CloseScreen = XvMCCloseScreen; - - pScreenPriv->num_adaptors = num; - pScreenPriv->adaptors = pAdapt; - pScreenPriv->clientDriverName[0] = 0; - pScreenPriv->busID[0] = 0; - pScreenPriv->major = 0; - pScreenPriv->minor = 0; - pScreenPriv->patchLevel = 0; - - XvMCInUse = TRUE; - - return Success; -} - -XvImagePtr XvMCFindXvImage(XvPortPtr pPort, CARD32 id) -{ - XvImagePtr pImage = NULL; - ScreenPtr pScreen = pPort->pAdaptor->pScreen; - XvMCScreenPtr pScreenPriv; - XvMCAdaptorPtr adaptor = NULL; - int i; - - if (!dixPrivateKeyRegistered(XvMCScreenKey)) - return NULL; - - if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) - return NULL; - - for(i = 0; i < pScreenPriv->num_adaptors; i++) { - if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { - adaptor = &(pScreenPriv->adaptors[i]); - break; - } - } - - if(!adaptor) return NULL; - - for(i = 0; i < adaptor->num_subpictures; i++) { - if(adaptor->subpictures[i]->id == id) { - pImage = adaptor->subpictures[i]; - break; - } - } - - return pImage; -} - -int -xf86XvMCRegisterDRInfo(ScreenPtr pScreen, char *name, - char *busID, int major, int minor, - int patchLevel) -{ - XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen); - strncpy(pScreenPriv->clientDriverName, name, - DR_CLIENT_DRIVER_NAME_SIZE); - strncpy(pScreenPriv->busID, busID, DR_BUSID_SIZE); - pScreenPriv->major = major; - pScreenPriv->minor = minor; - pScreenPriv->patchLevel = patchLevel; - pScreenPriv->clientDriverName[DR_CLIENT_DRIVER_NAME_SIZE-1] = 0; - pScreenPriv->busID[DR_BUSID_SIZE-1] = 0; - return Success; -} - + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include + +#include +#include +#include "misc.h" +#include "os.h" +#include "dixstruct.h" +#include "resource.h" +#include "scrnintstr.h" +#include "extnsionst.h" +#include "servermd.h" +#include +#include "xvdix.h" +#include +#include +#include +#include "xvmcext.h" +#include "protocol-versions.h" + +#ifdef HAS_XVMCSHM +#include +#include +#include +#endif /* HAS_XVMCSHM */ + + + +#define DR_CLIENT_DRIVER_NAME_SIZE 48 +#define DR_BUSID_SIZE 48 + +static DevPrivateKeyRec XvMCScreenKeyRec; +#define XvMCScreenKey (&XvMCScreenKeyRec) +static Bool XvMCInUse; + +unsigned long XvMCGeneration = 0; + +int XvMCReqCode; +int XvMCEventBase; + +static RESTYPE XvMCRTContext; +static RESTYPE XvMCRTSurface; +static RESTYPE XvMCRTSubpicture; + +typedef struct { + int num_adaptors; + XvMCAdaptorPtr adaptors; + CloseScreenProcPtr CloseScreen; + char clientDriverName[DR_CLIENT_DRIVER_NAME_SIZE]; + char busID[DR_BUSID_SIZE]; + int major; + int minor; + int patchLevel; +} XvMCScreenRec, *XvMCScreenPtr; + +#define XVMC_GET_PRIVATE(pScreen) \ + (XvMCScreenPtr)(dixLookupPrivate(&(pScreen)->devPrivates, XvMCScreenKey)) + + +static int +XvMCDestroyContextRes(pointer data, XID id) +{ + XvMCContextPtr pContext = (XvMCContextPtr)data; + + pContext->refcnt--; + + if(!pContext->refcnt) { + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + (*pScreenPriv->adaptors[pContext->adapt_num].DestroyContext)(pContext); + free(pContext); + } + + return Success; +} + +static int +XvMCDestroySurfaceRes(pointer data, XID id) +{ + XvMCSurfacePtr pSurface = (XvMCSurfacePtr)data; + XvMCContextPtr pContext = pSurface->context; + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + + (*pScreenPriv->adaptors[pContext->adapt_num].DestroySurface)(pSurface); + free(pSurface); + + XvMCDestroyContextRes((pointer)pContext, pContext->context_id); + + return Success; +} + + +static int +XvMCDestroySubpictureRes(pointer data, XID id) +{ + XvMCSubpicturePtr pSubpict = (XvMCSubpicturePtr)data; + XvMCContextPtr pContext = pSubpict->context; + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + + (*pScreenPriv->adaptors[pContext->adapt_num].DestroySubpicture)(pSubpict); + free(pSubpict); + + XvMCDestroyContextRes((pointer)pContext, pContext->context_id); + + return Success; +} + +static int +ProcXvMCQueryVersion(ClientPtr client) +{ + xvmcQueryVersionReply rep; + /* REQUEST(xvmcQueryVersionReq); */ + REQUEST_SIZE_MATCH(xvmcQueryVersionReq); + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = 0; + rep.major = SERVER_XVMC_MAJOR_VERSION; + rep.minor = SERVER_XVMC_MINOR_VERSION; + WriteToClient(client, sizeof(xvmcQueryVersionReply), (char*)&rep); + return Success; +} + + +static int +ProcXvMCListSurfaceTypes(ClientPtr client) +{ + XvPortPtr pPort; + int i; + XvMCScreenPtr pScreenPriv; + xvmcListSurfaceTypesReply rep; + xvmcSurfaceInfo info; + XvMCAdaptorPtr adaptor = NULL; + XvMCSurfaceInfoPtr surface; + REQUEST(xvmcListSurfaceTypesReq); + REQUEST_SIZE_MATCH(xvmcListSurfaceTypesReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + if(XvMCInUse) { /* any adaptors at all */ + ScreenPtr pScreen = pPort->pAdaptor->pScreen; + if((pScreenPriv = XVMC_GET_PRIVATE(pScreen))) { /* any this screen */ + for(i = 0; i < pScreenPriv->num_adaptors; i++) { + if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { + adaptor = &(pScreenPriv->adaptors[i]); + break; + } + } + } + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num = (adaptor) ? adaptor->num_surfaces : 0; + rep.length = bytes_to_int32(rep.num * sizeof(xvmcSurfaceInfo)); + + WriteToClient(client, sizeof(xvmcListSurfaceTypesReply), (char*)&rep); + + for(i = 0; i < rep.num; i++) { + surface = adaptor->surfaces[i]; + info.surface_type_id = surface->surface_type_id; + info.chroma_format = surface->chroma_format; + info.max_width = surface->max_width; + info.max_height = surface->max_height; + info.subpicture_max_width = surface->subpicture_max_width; + info.subpicture_max_height = surface->subpicture_max_height; + info.mc_type = surface->mc_type; + info.flags = surface->flags; + WriteToClient(client, sizeof(xvmcSurfaceInfo), (char*)&info); + } + + return Success; +} + +static int +ProcXvMCCreateContext(ClientPtr client) +{ + XvPortPtr pPort; + CARD32 *data = NULL; + int dwords = 0; + int i, result, adapt_num = -1; + ScreenPtr pScreen; + XvMCContextPtr pContext; + XvMCScreenPtr pScreenPriv; + XvMCAdaptorPtr adaptor = NULL; + XvMCSurfaceInfoPtr surface = NULL; + xvmcCreateContextReply rep; + REQUEST(xvmcCreateContextReq); + REQUEST_SIZE_MATCH(xvmcCreateContextReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + pScreen = pPort->pAdaptor->pScreen; + + if(!XvMCInUse) /* no XvMC adaptors */ + return BadMatch; + + if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) /* none this screen */ + return BadMatch; + + for(i = 0; i < pScreenPriv->num_adaptors; i++) { + if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { + adaptor = &(pScreenPriv->adaptors[i]); + adapt_num = i; + break; + } + } + + if(adapt_num < 0) /* none this port */ + return BadMatch; + + for(i = 0; i < adaptor->num_surfaces; i++) { + if(adaptor->surfaces[i]->surface_type_id == stuff->surface_type_id) { + surface = adaptor->surfaces[i]; + break; + } + } + + /* adaptor doesn't support this suface_type_id */ + if(!surface) return BadMatch; + + + if((stuff->width > surface->max_width) || + (stuff->height > surface->max_height)) + return BadValue; + + if(!(pContext = malloc(sizeof(XvMCContextRec)))) { + return BadAlloc; + } + + + pContext->pScreen = pScreen; + pContext->adapt_num = adapt_num; + pContext->context_id = stuff->context_id; + pContext->surface_type_id = stuff->surface_type_id; + pContext->width = stuff->width; + pContext->height = stuff->height; + pContext->flags = stuff->flags; + pContext->refcnt = 1; + + result = (*adaptor->CreateContext)(pPort, pContext, &dwords, &data); + + if(result != Success) { + free(pContext); + return result; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.width_actual = pContext->width; + rep.height_actual = pContext->height; + rep.flags_return = pContext->flags; + rep.length = dwords; + + WriteToClient(client, sizeof(xvmcCreateContextReply), (char*)&rep); + if(dwords) + WriteToClient(client, dwords << 2, (char*)data); + AddResource(pContext->context_id, XvMCRTContext, pContext); + + free(data); + + return Success; +} + +static int +ProcXvMCDestroyContext(ClientPtr client) +{ + pointer val; + int rc; + REQUEST(xvmcDestroyContextReq); + REQUEST_SIZE_MATCH(xvmcDestroyContextReq); + + rc = dixLookupResourceByType(&val, stuff->context_id, XvMCRTContext, + client, DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->context_id, RT_NONE); + + return Success; +} + +static int +ProcXvMCCreateSurface(ClientPtr client) +{ + CARD32 *data = NULL; + int dwords = 0; + int result; + XvMCContextPtr pContext; + XvMCSurfacePtr pSurface; + XvMCScreenPtr pScreenPriv; + xvmcCreateSurfaceReply rep; + REQUEST(xvmcCreateSurfaceReq); + REQUEST_SIZE_MATCH(xvmcCreateSurfaceReq); + + result = dixLookupResourceByType((pointer *)&pContext, stuff->context_id, + XvMCRTContext, client, DixUseAccess); + if (result != Success) + return result; + + pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + + if(!(pSurface = malloc(sizeof(XvMCSurfaceRec)))) + return BadAlloc; + + pSurface->surface_id = stuff->surface_id; + pSurface->surface_type_id = pContext->surface_type_id; + pSurface->context = pContext; + + result = (*pScreenPriv->adaptors[pContext->adapt_num].CreateSurface)( + pSurface, &dwords, &data); + + if(result != Success) { + free(pSurface); + return result; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.length = dwords; + + WriteToClient(client, sizeof(xvmcCreateSurfaceReply), (char*)&rep); + if(dwords) + WriteToClient(client, dwords << 2, (char*)data); + AddResource(pSurface->surface_id, XvMCRTSurface, pSurface); + + free(data); + + pContext->refcnt++; + + return Success; +} + +static int +ProcXvMCDestroySurface(ClientPtr client) +{ + pointer val; + int rc; + REQUEST(xvmcDestroySurfaceReq); + REQUEST_SIZE_MATCH(xvmcDestroySurfaceReq); + + rc = dixLookupResourceByType(&val, stuff->surface_id, XvMCRTSurface, + client, DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->surface_id, RT_NONE); + + return Success; +} + +static int +ProcXvMCCreateSubpicture(ClientPtr client) +{ + Bool image_supported = FALSE; + CARD32 *data = NULL; + int i, result, dwords = 0; + XvMCContextPtr pContext; + XvMCSubpicturePtr pSubpicture; + XvMCScreenPtr pScreenPriv; + xvmcCreateSubpictureReply rep; + XvMCAdaptorPtr adaptor; + XvMCSurfaceInfoPtr surface = NULL; + REQUEST(xvmcCreateSubpictureReq); + REQUEST_SIZE_MATCH(xvmcCreateSubpictureReq); + + result = dixLookupResourceByType((pointer *)&pContext, stuff->context_id, + XvMCRTContext, client, DixUseAccess); + if (result != Success) + return result; + + pScreenPriv = XVMC_GET_PRIVATE(pContext->pScreen); + + adaptor = &(pScreenPriv->adaptors[pContext->adapt_num]); + + /* find which surface this context supports */ + for(i = 0; i < adaptor->num_surfaces; i++) { + if(adaptor->surfaces[i]->surface_type_id == pContext->surface_type_id){ + surface = adaptor->surfaces[i]; + break; + } + } + + if(!surface) return BadMatch; + + /* make sure this surface supports that xvimage format */ + if(!surface->compatible_subpictures) return BadMatch; + + for(i = 0; i < surface->compatible_subpictures->num_xvimages; i++) { + if(surface->compatible_subpictures->xvimage_ids[i] == stuff->xvimage_id) { + image_supported = TRUE; + break; + } + } + + if(!image_supported) return BadMatch; + + /* make sure the size is OK */ + if((stuff->width > surface->subpicture_max_width) || + (stuff->height > surface->subpicture_max_height)) + return BadValue; + + if(!(pSubpicture = malloc(sizeof(XvMCSubpictureRec)))) + return BadAlloc; + + pSubpicture->subpicture_id = stuff->subpicture_id; + pSubpicture->xvimage_id = stuff->xvimage_id; + pSubpicture->width = stuff->width; + pSubpicture->height = stuff->height; + pSubpicture->num_palette_entries = 0; /* overwritten by DDX */ + pSubpicture->entry_bytes = 0; /* overwritten by DDX */ + pSubpicture->component_order[0] = 0; /* overwritten by DDX */ + pSubpicture->component_order[1] = 0; + pSubpicture->component_order[2] = 0; + pSubpicture->component_order[3] = 0; + pSubpicture->context = pContext; + + result = (*pScreenPriv->adaptors[pContext->adapt_num].CreateSubpicture)( + pSubpicture, &dwords, &data); + + if(result != Success) { + free(pSubpicture); + return result; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.width_actual = pSubpicture->width; + rep.height_actual = pSubpicture->height; + rep.num_palette_entries = pSubpicture->num_palette_entries; + rep.entry_bytes = pSubpicture->entry_bytes; + rep.component_order[0] = pSubpicture->component_order[0]; + rep.component_order[1] = pSubpicture->component_order[1]; + rep.component_order[2] = pSubpicture->component_order[2]; + rep.component_order[3] = pSubpicture->component_order[3]; + rep.length = dwords; + + WriteToClient(client, sizeof(xvmcCreateSubpictureReply), (char*)&rep); + if(dwords) + WriteToClient(client, dwords << 2, (char*)data); + AddResource(pSubpicture->subpicture_id, XvMCRTSubpicture, pSubpicture); + + free(data); + + pContext->refcnt++; + + return Success; +} + +static int +ProcXvMCDestroySubpicture(ClientPtr client) +{ + pointer val; + int rc; + REQUEST(xvmcDestroySubpictureReq); + REQUEST_SIZE_MATCH(xvmcDestroySubpictureReq); + + rc = dixLookupResourceByType(&val, stuff->subpicture_id, XvMCRTSubpicture, + client, DixDestroyAccess); + if (rc != Success) + return rc; + + FreeResource(stuff->subpicture_id, RT_NONE); + + return Success; +} + + +static int +ProcXvMCListSubpictureTypes(ClientPtr client) +{ + XvPortPtr pPort; + xvmcListSubpictureTypesReply rep; + XvMCScreenPtr pScreenPriv; + ScreenPtr pScreen; + XvMCAdaptorPtr adaptor = NULL; + XvMCSurfaceInfoPtr surface = NULL; + xvImageFormatInfo info; + XvImagePtr pImage; + int i, j; + REQUEST(xvmcListSubpictureTypesReq); + REQUEST_SIZE_MATCH(xvmcListSubpictureTypesReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + pScreen = pPort->pAdaptor->pScreen; + + if (!dixPrivateKeyRegistered(XvMCScreenKey)) + return BadMatch; /* No XvMC adaptors */ + + if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) + return BadMatch; /* None this screen */ + + for(i = 0; i < pScreenPriv->num_adaptors; i++) { + if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { + adaptor = &(pScreenPriv->adaptors[i]); + break; + } + } + + if(!adaptor) return BadMatch; + + for(i = 0; i < adaptor->num_surfaces; i++) { + if(adaptor->surfaces[i]->surface_type_id == stuff->surface_type_id) { + surface = adaptor->surfaces[i]; + break; + } + } + + if(!surface) return BadMatch; + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.num = 0; + if(surface->compatible_subpictures) + rep.num = surface->compatible_subpictures->num_xvimages; + + rep.length = bytes_to_int32(rep.num * sizeof(xvImageFormatInfo)); + + WriteToClient(client, sizeof(xvmcListSubpictureTypesReply), (char*)&rep); + + for(i = 0; i < rep.num; i++) { + pImage = NULL; + for(j = 0; j < adaptor->num_subpictures; j++) { + if(surface->compatible_subpictures->xvimage_ids[i] == + adaptor->subpictures[j]->id) + { + pImage = adaptor->subpictures[j]; + break; + } + } + if(!pImage) return BadImplementation; + + info.id = pImage->id; + info.type = pImage->type; + info.byte_order = pImage->byte_order; + memcpy(&info.guid, pImage->guid, 16); + info.bpp = pImage->bits_per_pixel; + info.num_planes = pImage->num_planes; + info.depth = pImage->depth; + info.red_mask = pImage->red_mask; + info.green_mask = pImage->green_mask; + info.blue_mask = pImage->blue_mask; + info.format = pImage->format; + info.y_sample_bits = pImage->y_sample_bits; + info.u_sample_bits = pImage->u_sample_bits; + info.v_sample_bits = pImage->v_sample_bits; + info.horz_y_period = pImage->horz_y_period; + info.horz_u_period = pImage->horz_u_period; + info.horz_v_period = pImage->horz_v_period; + info.vert_y_period = pImage->vert_y_period; + info.vert_u_period = pImage->vert_u_period; + info.vert_v_period = pImage->vert_v_period; + memcpy(&info.comp_order, pImage->component_order, 32); + info.scanline_order = pImage->scanline_order; + WriteToClient(client, sizeof(xvImageFormatInfo), (char*)&info); + } + + return Success; +} + +static int +ProcXvMCGetDRInfo(ClientPtr client) +{ + xvmcGetDRInfoReply rep; + XvPortPtr pPort; + ScreenPtr pScreen; + XvMCScreenPtr pScreenPriv; + +#ifdef HAS_XVMCSHM + volatile CARD32 *patternP; +#endif + + REQUEST(xvmcGetDRInfoReq); + REQUEST_SIZE_MATCH(xvmcGetDRInfoReq); + + VALIDATE_XV_PORT(stuff->port, pPort, DixReadAccess); + + pScreen = pPort->pAdaptor->pScreen; + pScreenPriv = XVMC_GET_PRIVATE(pScreen); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.major = pScreenPriv->major; + rep.minor = pScreenPriv->minor; + rep.patchLevel = pScreenPriv->patchLevel; + rep.nameLen = bytes_to_int32(strlen(pScreenPriv->clientDriverName) + 1); + rep.busIDLen = bytes_to_int32(strlen(pScreenPriv->busID) + 1); + + rep.length = rep.nameLen + rep.busIDLen; + rep.nameLen <<=2; + rep.busIDLen <<=2; + + /* + * Read back to the client what she has put in the shared memory + * segment she prepared for us. + */ + + rep.isLocal = 1; +#ifdef HAS_XVMCSHM + patternP = (CARD32 *)shmat( stuff->shmKey, NULL, SHM_RDONLY ); + if ( -1 != (long) patternP) { + volatile CARD32 *patternC = patternP; + int i; + CARD32 magic = stuff->magic; + + rep.isLocal = 1; + i = 1024 / sizeof(CARD32); + + while ( i-- ) { + if (*patternC++ != magic) { + rep.isLocal = 0; + break; + } + magic = ~magic; + } + shmdt( (char *)patternP ); + } +#endif /* HAS_XVMCSHM */ + + WriteToClient(client, sizeof(xvmcGetDRInfoReply), + (char*)&rep); + if (rep.length) { + WriteToClient(client, rep.nameLen, + pScreenPriv->clientDriverName); + WriteToClient(client, rep.busIDLen, + pScreenPriv->busID); + } + return Success; +} + + +int (*ProcXvMCVector[xvmcNumRequest])(ClientPtr) = { + ProcXvMCQueryVersion, + ProcXvMCListSurfaceTypes, + ProcXvMCCreateContext, + ProcXvMCDestroyContext, + ProcXvMCCreateSurface, + ProcXvMCDestroySurface, + ProcXvMCCreateSubpicture, + ProcXvMCDestroySubpicture, + ProcXvMCListSubpictureTypes, + ProcXvMCGetDRInfo +}; + +static int +ProcXvMCDispatch (ClientPtr client) +{ + REQUEST(xReq); + + if(stuff->data < xvmcNumRequest) + return (*ProcXvMCVector[stuff->data])(client); + else + return BadRequest; +} + +static int +SProcXvMCDispatch (ClientPtr client) +{ + /* We only support local */ + return BadImplementation; +} + +void +XvMCExtensionInit(void) +{ + ExtensionEntry *extEntry; + + if (!dixPrivateKeyRegistered(XvMCScreenKey)) + return; + + if(!(XvMCRTContext = CreateNewResourceType(XvMCDestroyContextRes, + "XvMCRTContext"))) + return; + + if(!(XvMCRTSurface = CreateNewResourceType(XvMCDestroySurfaceRes, + "XvMCRTSurface"))) + return; + + if(!(XvMCRTSubpicture = CreateNewResourceType(XvMCDestroySubpictureRes, + "XvMCRTSubpicture"))) + return; + + extEntry = AddExtension(XvMCName, XvMCNumEvents, XvMCNumErrors, + ProcXvMCDispatch, SProcXvMCDispatch, + NULL, StandardMinorOpcode); + + if(!extEntry) return; + + XvMCReqCode = extEntry->base; + XvMCEventBase = extEntry->eventBase; + SetResourceTypeErrorValue(XvMCRTContext, extEntry->errorBase + XvMCBadContext); + SetResourceTypeErrorValue(XvMCRTSurface, extEntry->errorBase + XvMCBadSurface); + SetResourceTypeErrorValue(XvMCRTSubpicture, extEntry->errorBase + XvMCBadSubpicture); +} + +static Bool +XvMCCloseScreen (int i, ScreenPtr pScreen) +{ + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen); + + pScreen->CloseScreen = pScreenPriv->CloseScreen; + + free(pScreenPriv); + + return (*pScreen->CloseScreen)(i, pScreen); +} + + +int +XvMCScreenInit(ScreenPtr pScreen, int num, XvMCAdaptorPtr pAdapt) +{ + XvMCScreenPtr pScreenPriv; + + if (!dixRegisterPrivateKey(&XvMCScreenKeyRec, PRIVATE_SCREEN, 0)) + return BadAlloc; + + if(!(pScreenPriv = malloc(sizeof(XvMCScreenRec)))) + return BadAlloc; + + dixSetPrivate(&pScreen->devPrivates, XvMCScreenKey, pScreenPriv); + + pScreenPriv->CloseScreen = pScreen->CloseScreen; + pScreen->CloseScreen = XvMCCloseScreen; + + pScreenPriv->num_adaptors = num; + pScreenPriv->adaptors = pAdapt; + pScreenPriv->clientDriverName[0] = 0; + pScreenPriv->busID[0] = 0; + pScreenPriv->major = 0; + pScreenPriv->minor = 0; + pScreenPriv->patchLevel = 0; + + XvMCInUse = TRUE; + + return Success; +} + +XvImagePtr XvMCFindXvImage(XvPortPtr pPort, CARD32 id) +{ + XvImagePtr pImage = NULL; + ScreenPtr pScreen = pPort->pAdaptor->pScreen; + XvMCScreenPtr pScreenPriv; + XvMCAdaptorPtr adaptor = NULL; + int i; + + if (!dixPrivateKeyRegistered(XvMCScreenKey)) + return NULL; + + if(!(pScreenPriv = XVMC_GET_PRIVATE(pScreen))) + return NULL; + + for(i = 0; i < pScreenPriv->num_adaptors; i++) { + if(pPort->pAdaptor == pScreenPriv->adaptors[i].xv_adaptor) { + adaptor = &(pScreenPriv->adaptors[i]); + break; + } + } + + if(!adaptor) return NULL; + + for(i = 0; i < adaptor->num_subpictures; i++) { + if(adaptor->subpictures[i]->id == id) { + pImage = adaptor->subpictures[i]; + break; + } + } + + return pImage; +} + +int +xf86XvMCRegisterDRInfo(ScreenPtr pScreen, char *name, + char *busID, int major, int minor, + int patchLevel) +{ + XvMCScreenPtr pScreenPriv = XVMC_GET_PRIVATE(pScreen); + strncpy(pScreenPriv->clientDriverName, name, + DR_CLIENT_DRIVER_NAME_SIZE); + strncpy(pScreenPriv->busID, busID, DR_BUSID_SIZE); + pScreenPriv->major = major; + pScreenPriv->minor = minor; + pScreenPriv->patchLevel = patchLevel; + pScreenPriv->clientDriverName[DR_CLIENT_DRIVER_NAME_SIZE-1] = 0; + pScreenPriv->busID[DR_BUSID_SIZE-1] = 0; + return Success; +} + -- cgit v1.2.3