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/*
* Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
*
* 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.
*/
#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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