From bc4f49f9a9eccb73bc2c5610295febaf4b14559e Mon Sep 17 00:00:00 2001 From: marha Date: Thu, 27 May 2010 07:52:46 +0000 Subject: libext git update 27/5/2010 --- libXext/src/Makefile.am | 134 +++---- libXext/src/Makefile.in | 683 ---------------------------------- libXext/src/Xdbe.c | 947 ++++++++++++++++++++++++------------------------ libXext/src/extutil.c | 564 ++++++++++++++-------------- 4 files changed, 822 insertions(+), 1506 deletions(-) delete mode 100644 libXext/src/Makefile.in (limited to 'libXext/src') diff --git a/libXext/src/Makefile.am b/libXext/src/Makefile.am index 6a7d379cb..99c711aaa 100644 --- a/libXext/src/Makefile.am +++ b/libXext/src/Makefile.am @@ -1,66 +1,68 @@ -lib_LTLIBRARIES=libXext.la - -AM_CFLAGS=\ - -I$(top_srcdir)/include \ - -I$(top_srcdir)/include/X11/extensions\ - $(XEXT_CFLAGS) $(MALLOC_ZERO_CFLAGS) - -libXext_la_LDFLAGS = -version-number $(XEXT_SOREV) -no-undefined - -libXext_la_LIBADD = $(XEXT_LIBS) - -libXext_la_SOURCES = \ - DPMS.c \ - MITMisc.c \ - 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* - * Copyright (c) 1994, 1995 Hewlett-Packard Company - * - * 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 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 HEWLETT-PACKARD COMPANY 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 Hewlett-Packard - * Company 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 Hewlett-Packard Company. - * - * Xlib DBE code - * - *****************************************************************************/ -/* $XFree86: xc/lib/Xext/Xdbe.c,v 3.7 2002/10/16 02:19:22 dawes Exp $ */ - -#define NEED_EVENTS -#define NEED_REPLIES -#ifdef HAVE_CONFIG_H -#include -#endif -#include -#include -#include -#include -#include -#include - -static XExtensionInfo _dbe_info_data; -static XExtensionInfo *dbe_info = &_dbe_info_data; -static char *dbe_extension_name = DBE_PROTOCOL_NAME; - -#define DbeCheckExtension(dpy,i,val) \ - XextCheckExtension (dpy, i, dbe_extension_name, val) -#define DbeSimpleCheckExtension(dpy,i) \ - XextSimpleCheckExtension (dpy, i, dbe_extension_name) - -#if !defined(UNIXCPP) -#define DbeGetReq(name,req,info) GetReq (name, req); \ - req->reqType = info->codes->major_opcode; \ - req->dbeReqType = X_##name; -#else -#define DbeGetReq(name,req,info) GetReq (name, req); \ - req->reqType = info->codes->major_opcode; \ - req->dbeReqType = X_/**/name; -#endif - - -/***************************************************************************** - * * - * private utility routines * - * * - *****************************************************************************/ - -/* - * find_display - locate the display info block - */ -static int close_display(Display *dpy, XExtCodes *codes); -static char *error_string(Display *dpy, int code, XExtCodes *codes, - char *buf, int n); -static XExtensionHooks dbe_extension_hooks = { - NULL, /* create_gc */ - NULL, /* copy_gc */ - NULL, /* flush_gc */ - NULL, /* free_gc */ - NULL, /* create_font */ - NULL, /* free_font */ - close_display, /* close_display */ - NULL, /* wire_to_event */ - NULL, /* event_to_wire */ - NULL, /* error */ - error_string, /* error_string */ -}; - -static char *dbe_error_list[] = { - "BadBuffer", /* DbeBadBuffer */ -}; - -static XEXT_GENERATE_FIND_DISPLAY (find_display, dbe_info, - dbe_extension_name, - &dbe_extension_hooks, - DbeNumberEvents, NULL) - -static XEXT_GENERATE_CLOSE_DISPLAY (close_display, dbe_info) - -static XEXT_GENERATE_ERROR_STRING (error_string, dbe_extension_name, - DbeNumberErrors, - dbe_error_list) - - -/***************************************************************************** - * * - * Double-Buffering public interfaces * - * * - *****************************************************************************/ - -/* - * XdbeQueryExtension - - * Sets major_version_return and minor_verion_return to the major and - * minor DBE protocol version supported by the server. If the DBE - * library is compatible with the version returned by the server, this - * function returns non-zero. If dpy does not support the DBE - * extension, or if there was an error during communication with the - * server, or if the server and library protocol versions are - * incompatible, this functions returns zero. No other Xdbe functions - * may be called before this function. If a client violates this rule, - * the effects of all subsequent Xdbe calls are undefined. - */ -Status XdbeQueryExtension ( - Display *dpy, - int *major_version_return, - int *minor_version_return) -{ - XExtDisplayInfo *info = find_display (dpy); - xDbeGetVersionReply rep; - register xDbeGetVersionReq *req; - - if (!XextHasExtension (info)) - return (Status)0; /* failure */ - - LockDisplay (dpy); - DbeGetReq (DbeGetVersion, req, info); - req->majorVersion = DBE_MAJOR_VERSION; - req->minorVersion = DBE_MINOR_VERSION; - - if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { - UnlockDisplay (dpy); - SyncHandle (); - return (Status)0; /* failure */ - } - *major_version_return = rep.majorVersion; - *minor_version_return = rep.minorVersion; - UnlockDisplay (dpy); - - SyncHandle (); - - if (*major_version_return != DBE_MAJOR_VERSION) - return (Status)0; /* failure */ - else - return (Status)1; /* success */ -} - - -/* - * XdbeAllocateBackBuffer - - * This function returns a drawable ID used to refer to the back buffer - * of the specified window. The swap_action is a hint to indicate the - * swap action that will likely be used in subsequent calls to - * XdbeSwapBuffers. The actual swap action used in calls to - * XdbeSwapBuffers does not have to be the same as the swap_action - * passed to this function, though clients are encouraged to provide - * accurate information whenever possible. - */ - -XdbeBackBuffer XdbeAllocateBackBufferName( - Display *dpy, - Window window, - XdbeSwapAction swap_action) -{ - XExtDisplayInfo *info = find_display (dpy); - register xDbeAllocateBackBufferNameReq *req; - XdbeBackBuffer buffer; - - /* make sure extension is available; if not, return the - * third parameter (0). - */ - DbeCheckExtension (dpy, info, (XdbeBackBuffer)0); - - /* allocate the id */ - buffer = XAllocID (dpy); - - LockDisplay(dpy); - DbeGetReq(DbeAllocateBackBufferName, req, info); - req->window = window; - req->swapAction = (unsigned char)swap_action; - req->buffer = buffer; - - UnlockDisplay (dpy); - SyncHandle (); - return buffer; - -} /* XdbeAllocateBackBufferName() */ - -/* - * XdbeDeallocateBackBufferName - - * This function frees a drawable ID, buffer, that was obtained via - * XdbeAllocateBackBufferName. The buffer must refer to the back buffer - * of the specified window, or a protocol error results. - */ -Status XdbeDeallocateBackBufferName ( - Display *dpy, - XdbeBackBuffer buffer) -{ - XExtDisplayInfo *info = find_display (dpy); - register xDbeDeallocateBackBufferNameReq *req; - - DbeCheckExtension (dpy, info, (Status)0 /* failure */); - - LockDisplay (dpy); - DbeGetReq (DbeDeallocateBackBufferName, req, info); - req->buffer = buffer; - UnlockDisplay (dpy); - SyncHandle (); - - return (Status)1; /* success */ -} - - -/* - * XdbeSwapBuffers - - * This function swaps the front and back buffers for a list of windows. - * The argument num_windows specifies how many windows are to have their - * buffers swapped; it is the number of elements in the swap_info array. - * The argument swap_info specifies the information needed per window - * to do the swap. - */ -Status XdbeSwapBuffers ( - Display *dpy, - XdbeSwapInfo *swap_info, - int num_windows) -{ - XExtDisplayInfo *info = find_display (dpy); - register xDbeSwapBuffersReq *req; - int i; - - DbeCheckExtension (dpy, info, (Status)0 /* failure */); - - LockDisplay (dpy); - DbeGetReq (DbeSwapBuffers, req, info); - req->length += 2*num_windows; - req->n = num_windows; - - /* We need to handle 64-bit machines, where we can not use PackData32 - * directly because info would be lost in translating from 32- to 64-bit. - * Instead we send data via a loop that accounts for the translation. - */ - for (i = 0; i < num_windows; i++) - { - char tmp[4]; - Data32 (dpy, (long *)&swap_info[i].swap_window, 4); - tmp[0] = swap_info[i].swap_action; - Data (dpy, (char *)tmp, 4); - } - - UnlockDisplay (dpy); - SyncHandle (); - - - return (Status)1; /* success */ - -} /* XdbeSwapBuffers() */ - - -/* - * XdbeBeginIdiom - - * This function marks the beginning of an idiom sequence. - */ -Status XdbeBeginIdiom (Display *dpy) -{ - XExtDisplayInfo *info = find_display(dpy); - register xDbeBeginIdiomReq *req; - - DbeCheckExtension (dpy, info, (Status)0 /* failure */); - - LockDisplay (dpy); - DbeGetReq (DbeBeginIdiom, req, info); - UnlockDisplay (dpy); - SyncHandle (); - - return (Status)1; /* success */ -} - - -/* - * XdbeEndIdiom - - * This function marks the end of an idiom sequence. - */ -Status XdbeEndIdiom (Display *dpy) -{ - XExtDisplayInfo *info = find_display(dpy); - register xDbeEndIdiomReq *req; - - DbeCheckExtension (dpy, info, (Status)0 /* failure */); - - LockDisplay (dpy); - DbeGetReq (DbeEndIdiom, req, info); - UnlockDisplay (dpy); - SyncHandle (); - - return (Status)1; /* success */ -} - - -/* - * XdbeGetVisualInfo - - * This function returns information about which visuals support - * double buffering. The argument num_screens specifies how many - * elements there are in the screen_specifiers list. Each drawable - * in screen_specifiers designates a screen for which the supported - * visuals are being requested. If num_screens is zero, information - * for all screens is requested. In this case, upon return from this - * function, num_screens will be set to the number of screens that were - * found. If an error occurs, this function returns NULL, else it returns - * a pointer to a list of XdbeScreenVisualInfo structures of length - * num_screens. The nth element in the returned list corresponds to the - * nth drawable in the screen_specifiers list, unless num_screens was - * passed in with the value zero, in which case the nth element in the - * returned list corresponds to the nth screen of the server, starting - * with screen zero. - */ -XdbeScreenVisualInfo *XdbeGetVisualInfo ( - Display *dpy, - Drawable *screen_specifiers, - int *num_screens) /* SEND and RETURN */ -{ - XExtDisplayInfo *info = find_display(dpy); - register xDbeGetVisualInfoReq *req; - xDbeGetVisualInfoReply rep; - XdbeScreenVisualInfo *scrVisInfo; - int i; - - DbeCheckExtension (dpy, info, (XdbeScreenVisualInfo *)NULL); - - LockDisplay (dpy); - - DbeGetReq(DbeGetVisualInfo, req, info); - req->length = 2 + *num_screens; - req->n = *num_screens; - Data32 (dpy, screen_specifiers, (*num_screens * sizeof (CARD32))); - - if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) { - UnlockDisplay (dpy); - SyncHandle (); - return NULL; - } - - /* return the number of screens actually found if we - * requested information about all screens (*num_screens == 0) - */ - if (*num_screens == 0) - *num_screens = rep.m; - - /* allocate list of visual information to be returned */ - if (!(scrVisInfo = - (XdbeScreenVisualInfo *)Xmalloc( - (unsigned)(*num_screens * sizeof(XdbeScreenVisualInfo))))) { - UnlockDisplay (dpy); - SyncHandle (); - return NULL; - } - - for (i = 0; i < *num_screens; i++) - { - int nbytes; - int j; - long c; - - _XRead32 (dpy, &c, sizeof(CARD32)); - scrVisInfo[i].count = c; - - nbytes = scrVisInfo[i].count * sizeof(XdbeVisualInfo); - - /* if we can not allocate the list of visual/depth info - * then free the lists that we already allocate as well - * as the visual info list itself - */ - if (!(scrVisInfo[i].visinfo = (XdbeVisualInfo *)Xmalloc( - (unsigned)nbytes))) { - for (j = 0; j < i; j++) { - Xfree ((char *)scrVisInfo[j].visinfo); - } - Xfree ((char *)scrVisInfo); - UnlockDisplay (dpy); - SyncHandle (); - return NULL; - } - - /* Read the visual info item into the wire structure. Then copy each - * element into the library structure. The element sizes and/or - * padding may be different in the two structures. - */ - for (j = 0; j < scrVisInfo[i].count; j++) { - xDbeVisInfo xvi; - - _XRead (dpy, (char *)&xvi, sizeof(xDbeVisInfo)); - scrVisInfo[i].visinfo[j].visual = xvi.visualID; - scrVisInfo[i].visinfo[j].depth = xvi.depth; - scrVisInfo[i].visinfo[j].perflevel = xvi.perfLevel; - } - - } - - UnlockDisplay (dpy); - SyncHandle (); - return scrVisInfo; - -} /* XdbeGetVisualInfo() */ - - -/* - * XdbeFreeVisualInfo - - * This function frees the list of XdbeScreenVisualInfo returned by the - * function XdbeGetVisualInfo. - */ -void XdbeFreeVisualInfo(XdbeScreenVisualInfo *visual_info) -{ - if (visual_info == NULL) { - return; - } - - if (visual_info->visinfo) { - XFree(visual_info->visinfo); - } - - XFree(visual_info); -} - - -/* - * XdbeGetBackBufferAttributes - - * This function returns the attributes associated with the specified - * buffer. - */ -XdbeBackBufferAttributes *XdbeGetBackBufferAttributes( - Display *dpy, - XdbeBackBuffer buffer) -{ - XExtDisplayInfo *info = find_display(dpy); - register xDbeGetBackBufferAttributesReq *req; - xDbeGetBackBufferAttributesReply rep; - XdbeBackBufferAttributes *attr; - - DbeCheckExtension(dpy, info, (XdbeBackBufferAttributes *)NULL); - - if (!(attr = - (XdbeBackBufferAttributes *)Xmalloc(sizeof(XdbeBackBufferAttributes)))) { - return NULL; - } - - LockDisplay(dpy); - DbeGetReq(DbeGetBackBufferAttributes, req, info); - req->buffer = buffer; - - if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { - UnlockDisplay (dpy); - SyncHandle (); - Xfree(attr); - return NULL; - } - attr->window = rep.attributes; - - UnlockDisplay (dpy); - SyncHandle (); - - return attr; -} - +/* $Xorg: Xdbe.c,v 1.4 2000/08/17 19:45:53 cpqbld Exp $ */ +/****************************************************************************** + * + * Copyright (c) 1994, 1995 Hewlett-Packard Company + * + * 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 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 HEWLETT-PACKARD COMPANY 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 Hewlett-Packard + * Company 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 Hewlett-Packard Company. + * + * Xlib DBE code + * + *****************************************************************************/ +/* $XFree86: xc/lib/Xext/Xdbe.c,v 3.7 2002/10/16 02:19:22 dawes Exp $ */ + +#define NEED_EVENTS +#define NEED_REPLIES +#ifdef HAVE_CONFIG_H +#include +#endif +#include +#include +#include +#include +#include +#include + +static XExtensionInfo _dbe_info_data; +static XExtensionInfo *dbe_info = &_dbe_info_data; +static char *dbe_extension_name = DBE_PROTOCOL_NAME; + +#define DbeCheckExtension(dpy,i,val) \ + XextCheckExtension (dpy, i, dbe_extension_name, val) +#define DbeSimpleCheckExtension(dpy,i) \ + XextSimpleCheckExtension (dpy, i, dbe_extension_name) + +#if !defined(UNIXCPP) +#define DbeGetReq(name,req,info) GetReq (name, req); \ + req->reqType = info->codes->major_opcode; \ + req->dbeReqType = X_##name; +#else +#define DbeGetReq(name,req,info) GetReq (name, req); \ + req->reqType = info->codes->major_opcode; \ + req->dbeReqType = X_/**/name; +#endif + + +/***************************************************************************** + * * + * private utility routines * + * * + *****************************************************************************/ + +/* + * find_display - locate the display info block + */ +static int close_display(Display *dpy, XExtCodes *codes); +static char *error_string(Display *dpy, int code, XExtCodes *codes, + char *buf, int n); +static XExtensionHooks dbe_extension_hooks = { + NULL, /* create_gc */ + NULL, /* copy_gc */ + NULL, /* flush_gc */ + NULL, /* free_gc */ + NULL, /* create_font */ + NULL, /* free_font */ + close_display, /* close_display */ + NULL, /* wire_to_event */ + NULL, /* event_to_wire */ + NULL, /* error */ + error_string, /* error_string */ +}; + +static char *dbe_error_list[] = { + "BadBuffer", /* DbeBadBuffer */ +}; + +static XEXT_GENERATE_FIND_DISPLAY (find_display, dbe_info, + dbe_extension_name, + &dbe_extension_hooks, + DbeNumberEvents, NULL) + +static XEXT_GENERATE_CLOSE_DISPLAY (close_display, dbe_info) + +static XEXT_GENERATE_ERROR_STRING (error_string, dbe_extension_name, + DbeNumberErrors, + dbe_error_list) + + +/***************************************************************************** + * * + * Double-Buffering public interfaces * + * * + *****************************************************************************/ + +/* + * XdbeQueryExtension - + * Sets major_version_return and minor_verion_return to the major and + * minor DBE protocol version supported by the server. If the DBE + * library is compatible with the version returned by the server, this + * function returns non-zero. If dpy does not support the DBE + * extension, or if there was an error during communication with the + * server, or if the server and library protocol versions are + * incompatible, this functions returns zero. No other Xdbe functions + * may be called before this function. If a client violates this rule, + * the effects of all subsequent Xdbe calls are undefined. + */ +Status XdbeQueryExtension ( + Display *dpy, + int *major_version_return, + int *minor_version_return) +{ + XExtDisplayInfo *info = find_display (dpy); + xDbeGetVersionReply rep; + register xDbeGetVersionReq *req; + + if (!XextHasExtension (info)) + return (Status)0; /* failure */ + + LockDisplay (dpy); + DbeGetReq (DbeGetVersion, req, info); + req->majorVersion = DBE_MAJOR_VERSION; + req->minorVersion = DBE_MINOR_VERSION; + + if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { + UnlockDisplay (dpy); + SyncHandle (); + return (Status)0; /* failure */ + } + *major_version_return = rep.majorVersion; + *minor_version_return = rep.minorVersion; + UnlockDisplay (dpy); + + SyncHandle (); + + if (*major_version_return != DBE_MAJOR_VERSION) + return (Status)0; /* failure */ + else + return (Status)1; /* success */ +} + + +/* + * XdbeAllocateBackBuffer - + * This function returns a drawable ID used to refer to the back buffer + * of the specified window. The swap_action is a hint to indicate the + * swap action that will likely be used in subsequent calls to + * XdbeSwapBuffers. The actual swap action used in calls to + * XdbeSwapBuffers does not have to be the same as the swap_action + * passed to this function, though clients are encouraged to provide + * accurate information whenever possible. + */ + +XdbeBackBuffer XdbeAllocateBackBufferName( + Display *dpy, + Window window, + XdbeSwapAction swap_action) +{ + XExtDisplayInfo *info = find_display (dpy); + register xDbeAllocateBackBufferNameReq *req; + XdbeBackBuffer buffer; + + /* make sure extension is available; if not, return the + * third parameter (0). + */ + DbeCheckExtension (dpy, info, (XdbeBackBuffer)0); + + LockDisplay(dpy); + DbeGetReq(DbeAllocateBackBufferName, req, info); + req->window = window; + req->swapAction = (unsigned char)swap_action; + req->buffer = buffer = XAllocID (dpy); + + UnlockDisplay (dpy); + SyncHandle (); + return buffer; + +} /* XdbeAllocateBackBufferName() */ + +/* + * XdbeDeallocateBackBufferName - + * This function frees a drawable ID, buffer, that was obtained via + * XdbeAllocateBackBufferName. The buffer must refer to the back buffer + * of the specified window, or a protocol error results. + */ +Status XdbeDeallocateBackBufferName ( + Display *dpy, + XdbeBackBuffer buffer) +{ + XExtDisplayInfo *info = find_display (dpy); + register xDbeDeallocateBackBufferNameReq *req; + + DbeCheckExtension (dpy, info, (Status)0 /* failure */); + + LockDisplay (dpy); + DbeGetReq (DbeDeallocateBackBufferName, req, info); + req->buffer = buffer; + UnlockDisplay (dpy); + SyncHandle (); + + return (Status)1; /* success */ +} + + +/* + * XdbeSwapBuffers - + * This function swaps the front and back buffers for a list of windows. + * The argument num_windows specifies how many windows are to have their + * buffers swapped; it is the number of elements in the swap_info array. + * The argument swap_info specifies the information needed per window + * to do the swap. + */ +Status XdbeSwapBuffers ( + Display *dpy, + XdbeSwapInfo *swap_info, + int num_windows) +{ + XExtDisplayInfo *info = find_display (dpy); + register xDbeSwapBuffersReq *req; + int i; + + DbeCheckExtension (dpy, info, (Status)0 /* failure */); + + LockDisplay (dpy); + DbeGetReq (DbeSwapBuffers, req, info); + req->length += 2*num_windows; + req->n = num_windows; + + /* We need to handle 64-bit machines, where we can not use PackData32 + * directly because info would be lost in translating from 32- to 64-bit. + * Instead we send data via a loop that accounts for the translation. + */ + for (i = 0; i < num_windows; i++) + { + char tmp[4]; + Data32 (dpy, (long *)&swap_info[i].swap_window, 4); + tmp[0] = swap_info[i].swap_action; + Data (dpy, (char *)tmp, 4); + } + + UnlockDisplay (dpy); + SyncHandle (); + + + return (Status)1; /* success */ + +} /* XdbeSwapBuffers() */ + + +/* + * XdbeBeginIdiom - + * This function marks the beginning of an idiom sequence. + */ +Status XdbeBeginIdiom (Display *dpy) +{ + XExtDisplayInfo *info = find_display(dpy); + register xDbeBeginIdiomReq *req; + + DbeCheckExtension (dpy, info, (Status)0 /* failure */); + + LockDisplay (dpy); + DbeGetReq (DbeBeginIdiom, req, info); + UnlockDisplay (dpy); + SyncHandle (); + + return (Status)1; /* success */ +} + + +/* + * XdbeEndIdiom - + * This function marks the end of an idiom sequence. + */ +Status XdbeEndIdiom (Display *dpy) +{ + XExtDisplayInfo *info = find_display(dpy); + register xDbeEndIdiomReq *req; + + DbeCheckExtension (dpy, info, (Status)0 /* failure */); + + LockDisplay (dpy); + DbeGetReq (DbeEndIdiom, req, info); + UnlockDisplay (dpy); + SyncHandle (); + + return (Status)1; /* success */ +} + + +/* + * XdbeGetVisualInfo - + * This function returns information about which visuals support + * double buffering. The argument num_screens specifies how many + * elements there are in the screen_specifiers list. Each drawable + * in screen_specifiers designates a screen for which the supported + * visuals are being requested. If num_screens is zero, information + * for all screens is requested. In this case, upon return from this + * function, num_screens will be set to the number of screens that were + * found. If an error occurs, this function returns NULL, else it returns + * a pointer to a list of XdbeScreenVisualInfo structures of length + * num_screens. The nth element in the returned list corresponds to the + * nth drawable in the screen_specifiers list, unless num_screens was + * passed in with the value zero, in which case the nth element in the + * returned list corresponds to the nth screen of the server, starting + * with screen zero. + */ +XdbeScreenVisualInfo *XdbeGetVisualInfo ( + Display *dpy, + Drawable *screen_specifiers, + int *num_screens) /* SEND and RETURN */ +{ + XExtDisplayInfo *info = find_display(dpy); + register xDbeGetVisualInfoReq *req; + xDbeGetVisualInfoReply rep; + XdbeScreenVisualInfo *scrVisInfo; + int i; + + DbeCheckExtension (dpy, info, (XdbeScreenVisualInfo *)NULL); + + LockDisplay (dpy); + + DbeGetReq(DbeGetVisualInfo, req, info); + req->length = 2 + *num_screens; + req->n = *num_screens; + Data32 (dpy, screen_specifiers, (*num_screens * sizeof (CARD32))); + + if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) { + UnlockDisplay (dpy); + SyncHandle (); + return NULL; + } + + /* return the number of screens actually found if we + * requested information about all screens (*num_screens == 0) + */ + if (*num_screens == 0) + *num_screens = rep.m; + + /* allocate list of visual information to be returned */ + if (!(scrVisInfo = + (XdbeScreenVisualInfo *)Xmalloc( + (unsigned)(*num_screens * sizeof(XdbeScreenVisualInfo))))) { + UnlockDisplay (dpy); + SyncHandle (); + return NULL; + } + + for (i = 0; i < *num_screens; i++) + { + int nbytes; + int j; + long c; + + _XRead32 (dpy, &c, sizeof(CARD32)); + scrVisInfo[i].count = c; + + nbytes = scrVisInfo[i].count * sizeof(XdbeVisualInfo); + + /* if we can not allocate the list of visual/depth info + * then free the lists that we already allocate as well + * as the visual info list itself + */ + if (!(scrVisInfo[i].visinfo = (XdbeVisualInfo *)Xmalloc( + (unsigned)nbytes))) { + for (j = 0; j < i; j++) { + Xfree ((char *)scrVisInfo[j].visinfo); + } + Xfree ((char *)scrVisInfo); + UnlockDisplay (dpy); + SyncHandle (); + return NULL; + } + + /* Read the visual info item into the wire structure. Then copy each + * element into the library structure. The element sizes and/or + * padding may be different in the two structures. + */ + for (j = 0; j < scrVisInfo[i].count; j++) { + xDbeVisInfo xvi; + + _XRead (dpy, (char *)&xvi, sizeof(xDbeVisInfo)); + scrVisInfo[i].visinfo[j].visual = xvi.visualID; + scrVisInfo[i].visinfo[j].depth = xvi.depth; + scrVisInfo[i].visinfo[j].perflevel = xvi.perfLevel; + } + + } + + UnlockDisplay (dpy); + SyncHandle (); + return scrVisInfo; + +} /* XdbeGetVisualInfo() */ + + +/* + * XdbeFreeVisualInfo - + * This function frees the list of XdbeScreenVisualInfo returned by the + * function XdbeGetVisualInfo. + */ +void XdbeFreeVisualInfo(XdbeScreenVisualInfo *visual_info) +{ + if (visual_info == NULL) { + return; + } + + if (visual_info->visinfo) { + XFree(visual_info->visinfo); + } + + XFree(visual_info); +} + + +/* + * XdbeGetBackBufferAttributes - + * This function returns the attributes associated with the specified + * buffer. + */ +XdbeBackBufferAttributes *XdbeGetBackBufferAttributes( + Display *dpy, + XdbeBackBuffer buffer) +{ + XExtDisplayInfo *info = find_display(dpy); + register xDbeGetBackBufferAttributesReq *req; + xDbeGetBackBufferAttributesReply rep; + XdbeBackBufferAttributes *attr; + + DbeCheckExtension(dpy, info, (XdbeBackBufferAttributes *)NULL); + + if (!(attr = + (XdbeBackBufferAttributes *)Xmalloc(sizeof(XdbeBackBufferAttributes)))) { + return NULL; + } + + LockDisplay(dpy); + DbeGetReq(DbeGetBackBufferAttributes, req, info); + req->buffer = buffer; + + if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { + UnlockDisplay (dpy); + SyncHandle (); + Xfree(attr); + return NULL; + } + attr->window = rep.attributes; + + UnlockDisplay (dpy); + SyncHandle (); + + return attr; +} + diff --git a/libXext/src/extutil.c b/libXext/src/extutil.c index ac861eaa4..144af9072 100644 --- a/libXext/src/extutil.c +++ b/libXext/src/extutil.c @@ -1,282 +1,282 @@ -/* - * $Xorg: extutil.c,v 1.4 2001/02/09 02:03:49 xorgcvs Exp $ - * -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. - * - * Author: Jim Fulton, MIT X Consortium - * - * - * Xlib Extension-Writing Utilities - * - * This package contains utilities for writing the client API for various - * protocol extensions. THESE INTERFACES ARE NOT PART OF THE X STANDARD AND - * ARE SUBJECT TO CHANGE! - * - * Routines include: - * - * XextCreateExtension called once per extension - * XextDestroyExtension if no longer using extension - * XextAddDisplay add another display - * XextRemoveDisplay remove a display - * XextFindDisplay is a display open - * - * In addition, the following Xlib-style interfaces are provided: - * - * XSetExtensionErrorHandler establish an extension error handler - * XMissingExtension raise an error about missing ext - */ -/* $XFree86: xc/lib/Xext/extutil.c,v 1.5 2002/10/16 00:37:27 dawes Exp $ */ - -#ifdef HAVE_CONFIG_H -#include -#endif -#include -#include -#include -#include -#include - -/* defined in Xge.c */ -extern Bool -xgeExtRegister(Display* dpy, int extension, XExtensionHooks* callbacks); - -/* - * XextCreateExtension - return an extension descriptor containing context - * information for this extension. This object is passed to all Xext - * routines. - */ -XExtensionInfo *XextCreateExtension (void) -{ - register XExtensionInfo *info = - (XExtensionInfo *) Xmalloc (sizeof (XExtensionInfo)); - - if (info) { - info->head = NULL; - info->cur = NULL; - info->ndisplays = 0; - } - return info; -} - - -/* - * XextDestroyExtension - free memory the given extension descriptor - */ -void XextDestroyExtension (XExtensionInfo *info) -{ - info->head = NULL; /* to catch refs after this */ - info->cur = NULL; - info->ndisplays = 0; - XFree ((char *) info); -} - - - -/* - * XextAddDisplay - add a display to this extension - */ -XExtDisplayInfo *XextAddDisplay ( - XExtensionInfo *extinfo, - Display *dpy, - char *ext_name, - XExtensionHooks *hooks, - int nevents, - XPointer data) -{ - XExtDisplayInfo *dpyinfo; - - dpyinfo = (XExtDisplayInfo *) Xmalloc (sizeof (XExtDisplayInfo)); - if (!dpyinfo) return NULL; - dpyinfo->display = dpy; - dpyinfo->data = data; - dpyinfo->codes = XInitExtension (dpy, ext_name); - - /* - * if the server has the extension, then we can initialize the - * appropriate function vectors - */ - if (dpyinfo->codes) { - int i, j; - - for (i = 0, j = dpyinfo->codes->first_event; i < nevents; i++, j++) { - XESetWireToEvent (dpy, j, hooks->wire_to_event); - XESetEventToWire (dpy, j, hooks->event_to_wire); - } - - /* register extension for XGE */ - if (strcmp(ext_name, GE_NAME)) - xgeExtRegister(dpy, dpyinfo->codes->major_opcode, hooks); - - if (hooks->create_gc) - XESetCreateGC (dpy, dpyinfo->codes->extension, hooks->create_gc); - if (hooks->copy_gc) - XESetCopyGC (dpy, dpyinfo->codes->extension, hooks->copy_gc); - if (hooks->flush_gc) - XESetFlushGC (dpy, dpyinfo->codes->extension, hooks->flush_gc); - if (hooks->free_gc) - XESetFreeGC (dpy, dpyinfo->codes->extension, hooks->free_gc); - if (hooks->create_font) - XESetCreateFont (dpy, dpyinfo->codes->extension, hooks->create_font); - if (hooks->free_font) - XESetFreeFont (dpy, dpyinfo->codes->extension, hooks->free_font); - if (hooks->close_display) - XESetCloseDisplay (dpy, dpyinfo->codes->extension, - hooks->close_display); - if (hooks->error) - XESetError (dpy, dpyinfo->codes->extension, hooks->error); - if (hooks->error_string) - XESetErrorString (dpy, dpyinfo->codes->extension, - hooks->error_string); - } else if (hooks->close_display) { - /* The server doesn't have this extension. - * Use a private Xlib-internal extension to hang the close_display - * hook on so that the "cache" (extinfo->cur) is properly cleaned. - * (XBUG 7955) - */ - XExtCodes *codes = XAddExtension(dpy); - if (!codes) { - XFree(dpyinfo); - return NULL; - } - XESetCloseDisplay (dpy, codes->extension, hooks->close_display); - } - - /* - * now, chain it onto the list - */ - _XLockMutex(_Xglobal_lock); - dpyinfo->next = extinfo->head; - extinfo->head = dpyinfo; - extinfo->cur = dpyinfo; - extinfo->ndisplays++; - _XUnlockMutex(_Xglobal_lock); - return dpyinfo; -} - - -/* - * XextRemoveDisplay - remove the indicated display from the extension object - */ -int XextRemoveDisplay (XExtensionInfo *extinfo, Display *dpy) -{ - XExtDisplayInfo *dpyinfo, *prev; - - /* - * locate this display and its back link so that it can be removed - */ - _XLockMutex(_Xglobal_lock); - prev = NULL; - for (dpyinfo = extinfo->head; dpyinfo; dpyinfo = dpyinfo->next) { - if (dpyinfo->display == dpy) break; - prev = dpyinfo; - } - if (!dpyinfo) { - _XUnlockMutex(_Xglobal_lock); - return 0; /* hmm, actually an error */ - } - - /* - * remove the display from the list; handles going to zero - */ - if (prev) - prev->next = dpyinfo->next; - else - extinfo->head = dpyinfo->next; - - extinfo->ndisplays--; - if (dpyinfo == extinfo->cur) extinfo->cur = NULL; /* flush cache */ - _XUnlockMutex(_Xglobal_lock); - - Xfree ((char *) dpyinfo); - return 1; -} - - -/* - * XextFindDisplay - look for a display in this extension; keeps a cache - * of the most-recently used for efficiency. - */ -XExtDisplayInfo *XextFindDisplay (XExtensionInfo *extinfo, Display *dpy) -{ - register XExtDisplayInfo *dpyinfo; - - /* - * see if this was the most recently accessed display - */ - if ((dpyinfo = extinfo->cur)&& dpyinfo->display == dpy) return dpyinfo; - - - /* - * look for display in list - */ - _XLockMutex(_Xglobal_lock); - for (dpyinfo = extinfo->head; dpyinfo; dpyinfo = dpyinfo->next) { - if (dpyinfo->display == dpy) { - extinfo->cur = dpyinfo; /* cache most recently used */ - _XUnlockMutex(_Xglobal_lock); - return dpyinfo; - } - } - _XUnlockMutex(_Xglobal_lock); - - return NULL; -} - - - -static int _default_exterror (Display *dpy, _Xconst char *ext_name, _Xconst char *reason) -{ - fprintf (stderr, "Xlib: extension \"%s\" %s on display \"%s\".\n", - ext_name, reason, DisplayString(dpy)); - return 0; -} - - -/* - * XSetExtensionErrorHandler - sets the handler that gets called when a - * requested extension is referenced. This should eventually move into Xlib. - */ - -extern XextErrorHandler _XExtensionErrorFunction; - -XextErrorHandler XSetExtensionErrorHandler (XextErrorHandler handler) -{ - XextErrorHandler oldhandler = _XExtensionErrorFunction; - - _XExtensionErrorFunction = (handler ? handler : - _default_exterror); - return oldhandler; -} - - -/* - * XMissingExtension - call the extension error handler - */ -int XMissingExtension (Display *dpy, _Xconst char *ext_name) -{ - XextErrorHandler func = (_XExtensionErrorFunction ? - _XExtensionErrorFunction : _default_exterror); - - if (!ext_name) ext_name = X_EXTENSION_UNKNOWN; - return (*func) (dpy, ext_name, X_EXTENSION_MISSING); -} +/* + * $Xorg: extutil.c,v 1.4 2001/02/09 02:03:49 xorgcvs Exp $ + * +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. + * + * Author: Jim Fulton, MIT X Consortium + * + * + * Xlib Extension-Writing Utilities + * + * This package contains utilities for writing the client API for various + * protocol extensions. THESE INTERFACES ARE NOT PART OF THE X STANDARD AND + * ARE SUBJECT TO CHANGE! + * + * Routines include: + * + * XextCreateExtension called once per extension + * XextDestroyExtension if no longer using extension + * XextAddDisplay add another display + * XextRemoveDisplay remove a display + * XextFindDisplay is a display open + * + * In addition, the following Xlib-style interfaces are provided: + * + * XSetExtensionErrorHandler establish an extension error handler + * XMissingExtension raise an error about missing ext + */ +/* $XFree86: xc/lib/Xext/extutil.c,v 1.5 2002/10/16 00:37:27 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include +#include +#include +#include +#include + +/* defined in Xge.c */ +extern _X_HIDDEN Bool +xgeExtRegister(Display* dpy, int extension, XExtensionHooks* callbacks); + +/* + * XextCreateExtension - return an extension descriptor containing context + * information for this extension. This object is passed to all Xext + * routines. + */ +XExtensionInfo *XextCreateExtension (void) +{ + register XExtensionInfo *info = + (XExtensionInfo *) Xmalloc (sizeof (XExtensionInfo)); + + if (info) { + info->head = NULL; + info->cur = NULL; + info->ndisplays = 0; + } + return info; +} + + +/* + * XextDestroyExtension - free memory the given extension descriptor + */ +void XextDestroyExtension (XExtensionInfo *info) +{ + info->head = NULL; /* to catch refs after this */ + info->cur = NULL; + info->ndisplays = 0; + XFree ((char *) info); +} + + + +/* + * XextAddDisplay - add a display to this extension + */ +XExtDisplayInfo *XextAddDisplay ( + XExtensionInfo *extinfo, + Display *dpy, + char *ext_name, + XExtensionHooks *hooks, + int nevents, + XPointer data) +{ + XExtDisplayInfo *dpyinfo; + + dpyinfo = (XExtDisplayInfo *) Xmalloc (sizeof (XExtDisplayInfo)); + if (!dpyinfo) return NULL; + dpyinfo->display = dpy; + dpyinfo->data = data; + dpyinfo->codes = XInitExtension (dpy, ext_name); + + /* + * if the server has the extension, then we can initialize the + * appropriate function vectors + */ + if (dpyinfo->codes) { + int i, j; + + for (i = 0, j = dpyinfo->codes->first_event; i < nevents; i++, j++) { + XESetWireToEvent (dpy, j, hooks->wire_to_event); + XESetEventToWire (dpy, j, hooks->event_to_wire); + } + + /* register extension for XGE */ + if (strcmp(ext_name, GE_NAME)) + xgeExtRegister(dpy, dpyinfo->codes->major_opcode, hooks); + + if (hooks->create_gc) + XESetCreateGC (dpy, dpyinfo->codes->extension, hooks->create_gc); + if (hooks->copy_gc) + XESetCopyGC (dpy, dpyinfo->codes->extension, hooks->copy_gc); + if (hooks->flush_gc) + XESetFlushGC (dpy, dpyinfo->codes->extension, hooks->flush_gc); + if (hooks->free_gc) + XESetFreeGC (dpy, dpyinfo->codes->extension, hooks->free_gc); + if (hooks->create_font) + XESetCreateFont (dpy, dpyinfo->codes->extension, hooks->create_font); + if (hooks->free_font) + XESetFreeFont (dpy, dpyinfo->codes->extension, hooks->free_font); + if (hooks->close_display) + XESetCloseDisplay (dpy, dpyinfo->codes->extension, + hooks->close_display); + if (hooks->error) + XESetError (dpy, dpyinfo->codes->extension, hooks->error); + if (hooks->error_string) + XESetErrorString (dpy, dpyinfo->codes->extension, + hooks->error_string); + } else if (hooks->close_display) { + /* The server doesn't have this extension. + * Use a private Xlib-internal extension to hang the close_display + * hook on so that the "cache" (extinfo->cur) is properly cleaned. + * (XBUG 7955) + */ + XExtCodes *codes = XAddExtension(dpy); + if (!codes) { + XFree(dpyinfo); + return NULL; + } + XESetCloseDisplay (dpy, codes->extension, hooks->close_display); + } + + /* + * now, chain it onto the list + */ + _XLockMutex(_Xglobal_lock); + dpyinfo->next = extinfo->head; + extinfo->head = dpyinfo; + extinfo->cur = dpyinfo; + extinfo->ndisplays++; + _XUnlockMutex(_Xglobal_lock); + return dpyinfo; +} + + +/* + * XextRemoveDisplay - remove the indicated display from the extension object + */ +int XextRemoveDisplay (XExtensionInfo *extinfo, Display *dpy) +{ + XExtDisplayInfo *dpyinfo, *prev; + + /* + * locate this display and its back link so that it can be removed + */ + _XLockMutex(_Xglobal_lock); + prev = NULL; + for (dpyinfo = extinfo->head; dpyinfo; dpyinfo = dpyinfo->next) { + if (dpyinfo->display == dpy) break; + prev = dpyinfo; + } + if (!dpyinfo) { + _XUnlockMutex(_Xglobal_lock); + return 0; /* hmm, actually an error */ + } + + /* + * remove the display from the list; handles going to zero + */ + if (prev) + prev->next = dpyinfo->next; + else + extinfo->head = dpyinfo->next; + + extinfo->ndisplays--; + if (dpyinfo == extinfo->cur) extinfo->cur = NULL; /* flush cache */ + _XUnlockMutex(_Xglobal_lock); + + Xfree ((char *) dpyinfo); + return 1; +} + + +/* + * XextFindDisplay - look for a display in this extension; keeps a cache + * of the most-recently used for efficiency. + */ +XExtDisplayInfo *XextFindDisplay (XExtensionInfo *extinfo, Display *dpy) +{ + register XExtDisplayInfo *dpyinfo; + + /* + * see if this was the most recently accessed display + */ + if ((dpyinfo = extinfo->cur)&& dpyinfo->display == dpy) return dpyinfo; + + + /* + * look for display in list + */ + _XLockMutex(_Xglobal_lock); + for (dpyinfo = extinfo->head; dpyinfo; dpyinfo = dpyinfo->next) { + if (dpyinfo->display == dpy) { + extinfo->cur = dpyinfo; /* cache most recently used */ + _XUnlockMutex(_Xglobal_lock); + return dpyinfo; + } + } + _XUnlockMutex(_Xglobal_lock); + + return NULL; +} + + + +static int _default_exterror (Display *dpy, _Xconst char *ext_name, _Xconst char *reason) +{ + fprintf (stderr, "Xlib: extension \"%s\" %s on display \"%s\".\n", + ext_name, reason, DisplayString(dpy)); + return 0; +} + + +/* + * XSetExtensionErrorHandler - sets the handler that gets called when a + * requested extension is referenced. This should eventually move into Xlib. + */ + +extern XextErrorHandler _XExtensionErrorFunction; + +XextErrorHandler XSetExtensionErrorHandler (XextErrorHandler handler) +{ + XextErrorHandler oldhandler = _XExtensionErrorFunction; + + _XExtensionErrorFunction = (handler ? handler : + _default_exterror); + return oldhandler; +} + + +/* + * XMissingExtension - call the extension error handler + */ +int XMissingExtension (Display *dpy, _Xconst char *ext_name) +{ + XextErrorHandler func = (_XExtensionErrorFunction ? + _XExtensionErrorFunction : _default_exterror); + + if (!ext_name) ext_name = X_EXTENSION_UNKNOWN; + return (*func) (dpy, ext_name, X_EXTENSION_MISSING); +} -- cgit v1.2.3