LXR qemu/ui/vnc-jobs-sync.c

   1/*
   2 * QEMU VNC display driver
   3 *
   4 * Copyright (C) 2006 Anthony Liguori <anthony@codemonkey.ws>
   5 * Copyright (C) 2006 Fabrice Bellard
   6 * Copyright (C) 2009 Red Hat, Inc
   7 * Copyright (C) 2010 Corentin Chary <corentin.chary@gmail.com>
   8 *
   9 * Permission is hereby granted, free of charge, to any person obtaining a copy
  10 * of this software and associated documentation files (the "Software"), to deal
  11 * in the Software without restriction, including without limitation the rights
  12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  13 * copies of the Software, and to permit persons to whom the Software is
  14 * furnished to do so, subject to the following conditions:
  15 *
  16 * The above copyright notice and this permission notice shall be included in
  17 * all copies or substantial portions of the Software.
  18 *
  19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  25 * THE SOFTWARE.
  26 */
  27
  28#include "vnc.h"
  29#include "vnc-jobs.h"
  30
  31void vnc_jobs_clear(VncState *vs)
  32{
  33}
  34
  35void vnc_jobs_join(VncState *vs)
  36{
  37}
  38
  39VncJob *vnc_job_new(VncState *vs)
  40{
  41    vs->job.vs = vs;
  42    vs->job.rectangles = 0;
  43
  44    vnc_write_u8(vs, VNC_MSG_SERVER_FRAMEBUFFER_UPDATE);
  45    vnc_write_u8(vs, 0);
  46    vs->job.saved_offset = vs->output.offset;
  47    vnc_write_u16(vs, 0);
  48    return &vs->job;
  49}
  50
  51void vnc_job_push(VncJob *job)
  52{
  53    VncState *vs = job->vs;
  54
  55    vs->output.buffer[job->saved_offset] = (job->rectangles >> 8) & 0xFF;
  56    vs->output.buffer[job->saved_offset + 1] = job->rectangles & 0xFF;
  57    vnc_flush(job->vs);
  58}
  59
  60int vnc_job_add_rect(VncJob *job, int x, int y, int w, int h)
  61{
  62    int n;
  63
  64    n = vnc_send_framebuffer_update(job->vs, x, y, w, h);
  65    if (n >= 0)
  66        job->rectangles += n;
  67    return n;
  68}
  69
  70bool vnc_has_job(VncState *vs)
  71{
  72    return false;
  73}
  74