diff options
Diffstat (limited to 'nx-X11/lib/Xext/XEVI.c')
| -rw-r--r-- | nx-X11/lib/Xext/XEVI.c | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/nx-X11/lib/Xext/XEVI.c b/nx-X11/lib/Xext/XEVI.c new file mode 100644 index 000000000..a64b9c1ba --- /dev/null +++ b/nx-X11/lib/Xext/XEVI.c @@ -0,0 +1,213 @@ +/* $Xorg: XEVI.c,v 1.3 2000/08/17 19:45:51 cpqbld Exp $ */ +/************************************************************ +Copyright (c) 1997 by Silicon Graphics Computer Systems, Inc. +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 name of Silicon Graphics not be +used in advertising or publicity pertaining to distribution +of the software without specific prior written permission. +Silicon Graphics makes no representation about the suitability +of this software for any purpose. It is provided "as is" +without any express or implied warranty. +SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS +SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON +GRAPHICS 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. +********************************************************/ +/* $XFree86$ */ +#define NEED_EVENTS +#define NEED_REPLIES +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/Xlibint.h> +#include <X11/extensions/XEVI.h> +#include <X11/extensions/XEVIstr.h> +#include <X11/extensions/Xext.h> +#include <X11/extensions/extutil.h> +#include <X11/Xutil.h> +static XExtensionInfo *xevi_info;/* needs to move to globals.c */ +static /* const */ char *xevi_extension_name = EVINAME; +#define XeviCheckExtension(dpy,i,val) \ + XextCheckExtension (dpy, i, xevi_extension_name, val) +/***************************************************************************** + * * + * private utility routines * + * * + *****************************************************************************/ +static /* const */ XExtensionHooks xevi_extension_hooks = { + NULL, /* create_gc */ + NULL, /* copy_gc */ + NULL, /* flush_gc */ + NULL, /* free_gc */ + NULL, /* create_font */ + NULL, /* free_font */ + NULL, /* close_display */ + NULL, /* wire_to_event */ + NULL, /* event_to_wire */ + NULL, /* error */ + NULL, /* error_string */ +}; +static XEXT_GENERATE_FIND_DISPLAY (find_display, xevi_info, + xevi_extension_name, + &xevi_extension_hooks, 0, NULL) +Bool XeviQueryExtension (Display *dpy) +{ + XExtDisplayInfo *info = find_display (dpy); + if (XextHasExtension(info)) { + return True; + } else { + return False; + } +} +Bool XeviQueryVersion(Display *dpy, int *majorVersion, int *minorVersion) +{ + XExtDisplayInfo *info = find_display (dpy); + xEVIQueryVersionReply rep; + register xEVIQueryVersionReq *req; + XeviCheckExtension (dpy, info, False); + LockDisplay(dpy); + GetReq(EVIQueryVersion, req); + req->reqType = info->codes->major_opcode; + req->xeviReqType = X_EVIQueryVersion; + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + return False; + } + *majorVersion = rep.majorVersion; + *minorVersion = rep.minorVersion; + UnlockDisplay(dpy); + SyncHandle(); + return True; +} +static Bool notInList(VisualID32 *visual, int sz_visual, VisualID newVisualid) +{ + while (sz_visual-- > 0) { + if (*visual == newVisualid) + return False; + visual++; + } + return True; +} +Status XeviGetVisualInfo( + register Display *dpy, + VisualID *visual, + int n_visual, + ExtendedVisualInfo **evi_return, + int *n_info_return) +{ + XExtDisplayInfo *info = find_display (dpy); + register xEVIGetVisualInfoReq *req; + xEVIGetVisualInfoReply rep; + int sz_info, sz_xInfo, sz_conflict, sz_xConflict; + VisualID32 *temp_conflict, *temp_visual, *xConflictPtr; + VisualID *conflict; + xExtendedVisualInfo *temp_xInfo; + XVisualInfo *vinfo; + register ExtendedVisualInfo *infoPtr; + register xExtendedVisualInfo *xInfoPtr; + register int n_data, visualIndex, vinfoIndex; + Bool isValid; + XeviCheckExtension (dpy, info, 0); + *n_info_return = 0; + *evi_return = NULL; + vinfo = XGetVisualInfo(dpy, 0, NULL, &sz_info); + if (!vinfo) { + return BadValue; + } + if (!n_visual || !visual) { /* copy the all visual */ + temp_visual = (VisualID32 *)Xmalloc(sz_VisualID32 * sz_info); + n_visual = 0; + for (vinfoIndex = 0; vinfoIndex < sz_info; vinfoIndex++) + if (notInList(temp_visual, n_visual, vinfo[vinfoIndex].visualid)) + temp_visual[n_visual++] = vinfo[vinfoIndex].visualid; + } + else { /* check if the visual is valid */ + for (visualIndex = 0; visualIndex < n_visual; visualIndex++) { + isValid = False; + for (vinfoIndex = 0; vinfoIndex < sz_info; vinfoIndex++) { + if (visual[visualIndex] == vinfo[vinfoIndex].visualid) { + isValid = True; + break; + } + } + if (!isValid) { + XFree(vinfo); + return BadValue; + } + } + temp_visual = (VisualID32 *)Xmalloc(sz_VisualID32 * n_visual); + for (visualIndex = 0; visualIndex < n_visual; visualIndex++) + temp_visual[visualIndex] = visual[visualIndex]; + } + XFree(vinfo); + LockDisplay(dpy); + GetReq(EVIGetVisualInfo, req); + req->reqType = info->codes->major_opcode; + req->xeviReqType = X_EVIGetVisualInfo; + req->n_visual = n_visual; + SetReqLen(req, n_visual, 1); + Data(dpy, (char *)temp_visual, n_visual * sz_VisualID32); + if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) { + UnlockDisplay(dpy); + SyncHandle(); + Xfree(temp_visual); + return BadAccess; + } + Xfree(temp_visual); + sz_info = rep.n_info * sizeof(ExtendedVisualInfo); + sz_xInfo = rep.n_info * sz_xExtendedVisualInfo; + sz_conflict = rep.n_conflicts * sizeof(VisualID); + sz_xConflict = rep.n_conflicts * sz_VisualID32; + infoPtr = *evi_return = (ExtendedVisualInfo *)Xmalloc(sz_info + sz_conflict); + xInfoPtr = temp_xInfo = (xExtendedVisualInfo *)Xmalloc(sz_xInfo); + xConflictPtr = temp_conflict = (VisualID32 *)Xmalloc(sz_xConflict); + if (!*evi_return || !temp_xInfo || !temp_conflict) { + _XEatData(dpy, (sz_xInfo + sz_xConflict + 3) & ~3); + UnlockDisplay(dpy); + SyncHandle(); + if (evi_return) + Xfree(evi_return); + if (temp_xInfo) + Xfree(temp_xInfo); + if (temp_conflict) + Xfree(temp_conflict); + return BadAlloc; + } + _XRead(dpy, (char *)temp_xInfo, sz_xInfo); + _XRead(dpy, (char *)temp_conflict, sz_xConflict); + UnlockDisplay(dpy); + SyncHandle(); + n_data = rep.n_info; + conflict = (VisualID *)(infoPtr + n_data); + while (n_data-- > 0) { + infoPtr->core_visual_id = xInfoPtr->core_visual_id; + infoPtr->screen = xInfoPtr->screen; + infoPtr->level = xInfoPtr->level; + infoPtr->transparency_type = xInfoPtr->transparency_type; + infoPtr->transparency_value = xInfoPtr->transparency_value; + infoPtr->min_hw_colormaps = xInfoPtr->min_hw_colormaps; + infoPtr->max_hw_colormaps = xInfoPtr->max_hw_colormaps; + infoPtr->num_colormap_conflicts = xInfoPtr->num_colormap_conflicts; + infoPtr->colormap_conflicts = conflict; + conflict += infoPtr->num_colormap_conflicts; + infoPtr++; + xInfoPtr++; + } + n_data = rep.n_conflicts; + conflict = (VisualID *)(infoPtr); + while (n_data-- > 0) + *conflict++ = *xConflictPtr++; + Xfree(temp_xInfo); + Xfree(temp_conflict); + *n_info_return = rep.n_info; + return Success; +} |