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
  31 void vnc_jobs_clear(VncState *vs)
  32 {
  33 }
  34
  35 void vnc_jobs_join(VncState *vs)
  36 {
  37 }
  38
  39 VncJob *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
  51 void 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
  60 int 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
  70 bool vnc_has_job(VncState *vs)
  71 {
  72     return false;
  73 }