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

   1 /*
   2     Copyright © 1995-2016, 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_types.h"
  11
  12 #if USE_VIDMODE
  13
  14 #define __typedef_BYTE
  15 #define __typedef_BOOL
  16 typedef unsigned char UBYTE;
  17
  18 #include <X11/extensions/xf86vmode.h>
  19
  20
  21 #define HAVE_XF86VMODE_H
  22
  23 #include "x11_hostlib.h"
  24
  25 static XF86VidModeModeInfo **videomodes;
  26 static int                   num_videomodes;
  27
  28 int x11_fullscreen_supported(Display *display)
  29 {
  30     int majorversion, minorversion;
  31     int eventbase, errorbase;
  32
  33     if (!XVMCALL(XF86VidModeQueryVersion, display, &majorversion, &minorversion))
  34     {
  35         return 0;
  36
  37     }
  38     if (!XVMCALL(XF86VidModeQueryExtension, display, &eventbase, &errorbase))
  39     {
  40         return 0;
  41     }
  42
  43     if (XVMCALL(XF86VidModeGetAllModeLines, display, DefaultScreen(display), &num_videomodes, &videomodes))
  44     {
  45         if (num_videomodes >= 2) return 1;
  46     }
  47
  48     return 0;
  49 }
  50
  51 void x11_fullscreen_switchmode(Display *display, int *w, int *h)
  52 {
  53     int i, mode;
  54
  55     if (videomodes == NULL)
  56         return;
  57
  58     for(i = 1, mode = 0; i < num_videomodes; i++)
  59     {
  60         if ((videomodes[i]->hdisplay >= *w) &&
  61             (videomodes[i]->vdisplay >= *h) &&
  62             (videomodes[i]->hdisplay < videomodes[mode]->hdisplay) &&
  63             (videomodes[i]->vdisplay < videomodes[mode]->vdisplay))
  64         {
  65             mode = i;
  66         }
  67     }
  68
  69     *w = videomodes[mode]->hdisplay;
  70     *h = videomodes[mode]->vdisplay;
  71
  72     XVMCALL(XF86VidModeSwitchToMode, display, DefaultScreen(display), videomodes[mode]);
  73     XVMCALL(XF86VidModeSetViewPort, display, DefaultScreen(display), 0, 0);
  74 }
  75
  76 #else /* if USE_VIDMODE */
  77
  78 int x11_fullscreen_supported(Display *display)
  79 {
  80     return 0;
  81 }
  82
  83 void x11_fullscreen_switchmode(Display *display, int *w, int *h)
  84 {
  85 }
  86 #endif