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-rw-r--r--libXext/src/XEVI.c216
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diff --git a/libXext/src/XEVI.c b/libXext/src/XEVI.c
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+/* $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/EVIproto.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);
+ if (!n_info_return || !evi_return) {
+ return BadValue;
+ }
+ *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;
+}
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