arch/all-hosted/hidd/x11/fullscreen.c

   1 /*
   2     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Enable fullscreen mode.
   6     Lang: English.
   7 */
   8
   9 #include <aros/config.h>
  10 #include <X11/Xlib.h>
  11 #include <X11/Xutil.h>
  12
  13 #if USE_VIDMODE
  14
  15 #include <X11/extensions/xf86vmode.h>
  16
  17 #define __typedef_BYTE
  18 #define __typedef_BOOL
  19 typedef unsigned char UBYTE;
  20
  21 #include <aros/symbolsets.h>
  22
  23 #define HAVE_XF86VMODE_H
  24
  25 #include "x11_hostlib.h"
  26
  27 static XF86VidModeModeInfo **videomodes;
  28 static int                   num_videomodes;
  29
  30 int x11_fullscreen_supported(Display *display)
  31 {
  32     int majorversion, minorversion;
  33     int eventbase, errorbase;
  34
  35     if (!XVMCALL(XF86VidModeQueryVersion, display, &majorversion, &minorversion))
  36     {
  37         return 0;
  38
  39     }
  40     if (!XVMCALL(XF86VidModeQueryExtension, display, &eventbase, &errorbase))
  41     {
  42         return 0;
  43     }
  44
  45     if (XVMCALL(XF86VidModeGetAllModeLines, display, DefaultScreen(display), &num_videomodes, &videomodes))
  46     {
  47         if (num_videomodes >= 2) return 1;
  48     }
  49
  50     return 0;
  51 }
  52
  53 void x11_fullscreen_switchmode(Display *display, int *w, int *h)
  54 {
  55     int i, mode;
  56
  57     if (videomodes == NULL)
  58         return;
  59
  60     for(i = 1, mode = 0; i < num_videomodes; i++)
  61     {
  62         if ((videomodes[i]->hdisplay >= *w) &&
  63             (videomodes[i]->vdisplay >= *h) &&
  64             (videomodes[i]->hdisplay < videomodes[mode]->hdisplay) &&
  65             (videomodes[i]->vdisplay < videomodes[mode]->vdisplay))
  66         {
  67             mode = i;
  68         }
  69     }
  70
  71     *w = videomodes[mode]->hdisplay;
  72     *h = videomodes[mode]->vdisplay;
  73
  74     XVMCALL(XF86VidModeSwitchToMode, display, DefaultScreen(display), videomodes[mode]);
  75     XVMCALL(XF86VidModeSetViewPort, display, DefaultScreen(display), 0, 0);
  76 }
  77
  78 #else /* if USE_VIDMODE */
  79
  80 int x11_fullscreen_supported(Display *display)
  81 {
  82     return 0;
  83 }
  84
  85 void x11_fullscreen_switchmode(Display *display, int *w, int *h)
  86 {
  87 }
  88 #endif