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/*
* Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
*
* 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, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD 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.
*/
#include <stdio.h>
#include <X11/X.h>
#include <X11/Xproto.h>
#include "scope.h"
#include "x11.h"
#include "shmscope.h"
#include "extensions.h"
static unsigned char MITSHMRequest, MITSHMError, MITSHMEvent;
static void
mitshm_decode_req (
FD fd,
const unsigned char *buf)
{
short Major = IByte (&buf[0]);
short Minor = IByte (&buf[1]);
switch (Minor) {
case 0: MitshmQueryVersion (fd, buf); ExtendedReplyExpected (fd, Major, Minor); break;
case 1: MitshmAttach (fd, buf); break;
case 2: MitshmDetach (fd, buf); break;
case 3: MitshmPutImage (fd, buf); break;
case 4: MitshmGetImage (fd, buf); ExtendedReplyExpected (fd, Major, Minor); break;
case 5: MitshmCreatePixmap (fd, buf); break;
default:
break;
}
}
static void
mitshm_decode_reply (
FD fd,
const unsigned char *buf,
short RequestMinor)
{
switch (RequestMinor) {
case 0: MitshmQueryVersionReply (fd, buf); break;
case 4: MitshmGetImageReply (fd, buf); break;
}
}
static void
mitshm_decode_event (
FD fd,
const unsigned char *buf)
{
}
static void
mitshm_decode_error (
FD fd,
const unsigned char *buf)
{
short error = IByte(&buf[0]) - MITSHMError;
switch (error) {
case 0: MitshmShmSegError (fd, buf); break;
default:
break;
}
}
void
InitializeMITSHM (
const unsigned char *buf)
{
TYPE p;
MITSHMRequest = (unsigned char)(buf[9]);
MITSHMEvent = (unsigned char)(buf[10]);
MITSHMError = (unsigned char)(buf[11]);
DefineEValue (&TD[REQUEST], (unsigned long) MITSHMRequest, "MitshmRequest");
DefineEValue (&TD[REPLY], (unsigned long) MITSHMRequest, "MitshmReply");
DefineEValue (&TD[EVENT], (unsigned long) MITSHMEvent, "MitshmEvent");
DefineEValue (&TD[ERROR], (unsigned long) MITSHMError, "MitshmError");
p = DefineType(MITSHMREQUEST, ENUMERATED, "MITSHMREQUEST", (PrintProcType) PrintENUMERATED);
DefineEValue(p, 0L, "MitshmQueryVersion");
DefineEValue(p, 1L, "MitshmAttach");
DefineEValue(p, 2L, "MitshmDetach");
DefineEValue(p, 3L, "MitshmPutImage");
DefineEValue(p, 4L, "MitshmGetImage");
DefineEValue(p, 5L, "MitshmCreatePixmap");
p = DefineType(MITSHMREPLY, ENUMERATED, "MITSHMREPLY", (PrintProcType) PrintENUMERATED);
DefineEValue (p, 0L, "QueryVersion");
DefineEValue (p, 4L, "GetImage");
p = DefineType(MITSHMEVENT, ENUMERATED, "MITSHMEVENT", (PrintProcType) PrintENUMERATED);
DefineEValue (p, 0L, "CompletionEvent");
InitializeExtensionDecoder(MITSHMRequest, mitshm_decode_req,
mitshm_decode_reply);
InitializeExtensionErrorDecoder(MITSHMError, mitshm_decode_error);
InitializeExtensionEventDecoder(MITSHMEvent, mitshm_decode_event);
}
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