SDL_x11modes.c
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2009 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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*/
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#include "SDL_config.h"
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/* Utilities for getting and setting the X display mode */
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#include <stdio.h>
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#include "SDL_timer.h"
#include "SDL_events.h"
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#include "../../events/SDL_events_c.h"
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#include "SDL_x11video.h"
#include "SDL_x11wm_c.h"
#include "SDL_x11modes_c.h"
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#include "SDL_x11image_c.h"
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#define MAX(a, b) (a > b ? a : b)
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#if SDL_VIDEO_DRIVER_X11_XRANDR
static int cmpmodelist(const void *va, const void *vb)
{
const SDL_Rect *a = *(const SDL_Rect **)va;
const SDL_Rect *b = *(const SDL_Rect **)vb;
if ( a->w == b->w )
return b->h - a->h;
else
return b->w - a->w;
}
#endif
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#if SDL_VIDEO_DRIVER_X11_VIDMODE
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Bool SDL_NAME(XF86VidModeGetModeInfo)(Display *dpy, int scr, SDL_NAME(XF86VidModeModeInfo) *info)
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Bool retval;
int dotclock;
SDL_NAME(XF86VidModeModeLine) l;
SDL_memset(&l, 0, sizeof(l));
retval = SDL_NAME(XF86VidModeGetModeLine)(dpy, scr, &dotclock, &l);
info->dotclock = dotclock;
info->hdisplay = l.hdisplay;
info->hsyncstart = l.hsyncstart;
info->hsyncend = l.hsyncend;
info->htotal = l.htotal;
info->hskew = l.hskew;
info->vdisplay = l.vdisplay;
info->vsyncstart = l.vsyncstart;
info->vsyncend = l.vsyncend;
info->vtotal = l.vtotal;
info->flags = l.flags;
info->privsize = l.privsize;
info->private = l.private;
return retval;
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#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
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#if SDL_VIDEO_DRIVER_X11_VIDMODE
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static void save_mode(_THIS)
{
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SDL_memset(&saved_mode, 0, sizeof(saved_mode));
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SDL_NAME(XF86VidModeGetModeInfo)(SDL_Display,SDL_Screen,&saved_mode);
SDL_NAME(XF86VidModeGetViewPort)(SDL_Display,SDL_Screen,&saved_view.x,&saved_view.y);
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}
#endif
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#if SDL_VIDEO_DRIVER_X11_VIDMODE
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static void restore_mode(_THIS)
{
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SDL_NAME(XF86VidModeModeLine) mode;
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int unused;
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if ( SDL_NAME(XF86VidModeGetModeLine)(SDL_Display, SDL_Screen, &unused, &mode) ) {
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if ( (saved_mode.hdisplay != mode.hdisplay) ||
(saved_mode.vdisplay != mode.vdisplay) ) {
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SDL_NAME(XF86VidModeSwitchToMode)(SDL_Display, SDL_Screen, &saved_mode);
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}
}
if ( (saved_view.x != 0) || (saved_view.y != 0) ) {
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SDL_NAME(XF86VidModeSetViewPort)(SDL_Display, SDL_Screen, saved_view.x, saved_view.y);
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}
}
#endif
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#if SDL_VIDEO_DRIVER_X11_VIDMODE
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static int cmpmodes(const void *va, const void *vb)
{
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const SDL_NAME(XF86VidModeModeInfo) *a = *(const SDL_NAME(XF86VidModeModeInfo)**)va;
const SDL_NAME(XF86VidModeModeInfo) *b = *(const SDL_NAME(XF86VidModeModeInfo)**)vb;
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if ( a->hdisplay == b->hdisplay )
return b->vdisplay - a->vdisplay;
else
return b->hdisplay - a->hdisplay;
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}
#endif
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static void get_real_resolution(_THIS, int* w, int* h);
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static void set_best_resolution(_THIS, int width, int height)
{
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#if SDL_VIDEO_DRIVER_X11_VIDMODE
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if ( use_vidmode ) {
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SDL_NAME(XF86VidModeModeLine) mode;
SDL_NAME(XF86VidModeModeInfo) **modes;
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int i;
int nmodes;
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if ( SDL_NAME(XF86VidModeGetModeLine)(SDL_Display, SDL_Screen, &i, &mode) &&
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for ( i = 0; i < nmodes ; i++ ) {
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if ( (modes[i]->hdisplay == width) &&
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(modes[i]->vdisplay == height) ) {
best = i;
break;
}
if ( modes[i]->hdisplay >= width &&
modes[i]->vdisplay >= height ) {
if ( best < 0 ||
(modes[i]->hdisplay < modes[best]->hdisplay &&
modes[i]->vdisplay <= modes[best]->vdisplay) ||
(modes[i]->vdisplay < modes[best]->vdisplay &&
modes[i]->hdisplay <= modes[best]->hdisplay) ) {
best = i;
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}
}
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}
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if ( best >= 0 &&
((modes[best]->hdisplay != mode.hdisplay) ||
(modes[best]->vdisplay != mode.vdisplay)) ) {
#ifdef X11MODES_DEBUG
printf("Best Mode %d: %d x %d @ %d\n", best,
modes[best]->hdisplay, modes[best]->vdisplay,
(modes[best]->htotal && modes[best]->vtotal) ? (1000 * modes[best]->dotclock / (modes[best]->htotal * modes[best]->vtotal)) : 0 );
#endif
SDL_NAME(XF86VidModeSwitchToMode)(SDL_Display, SDL_Screen, modes[best]);
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}
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XFree(modes);
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}
}
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#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
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#if SDL_VIDEO_DRIVER_X11_XME
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#ifdef X11MODES_DEBUG
fprintf(stderr, "XME: set_best_resolution(): w = %d, h = %d\n",
width, height);
#endif
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for ( i=0; SDL_modelist[i]; ++i ) {
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if ( (SDL_modelist[i]->w >= width) &&
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(SDL_modelist[i]->h >= height) ) {
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if ( SDL_modelist[i] ) { /* found one, lets try it */
int w, h;
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/* check current mode so we can avoid uneccessary mode changes */
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get_real_resolution(this, &w, &h);
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if ( (SDL_modelist[i]->w != w) || (SDL_modelist[i]->h != h) ) {
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fprintf(stderr, "XME: set_best_resolution: "
"XiGMiscChangeResolution: %d %d\n",
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XiGMiscChangeResolution(SDL_Display,
SDL_Screen,
0, /* view */
SDL_modelist[i]->w,
SDL_modelist[i]->h,
0);
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XSync(SDL_Display, False);
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}
}
}
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#endif /* SDL_VIDEO_DRIVER_X11_XME */
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#if SDL_VIDEO_DRIVER_X11_XRANDR
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fprintf(stderr, "XRANDR: set_best_resolution(): w = %d, h = %d\n",
width, height);
#endif
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int i, nsizes;
XRRScreenSize *sizes;
/* find the smallest resolution that is at least as big as the user requested */
sizes = XRRConfigSizes(screen_config, &nsizes);
for ( i = (nsizes-1); i >= 0; i-- ) {
if ( (SDL_modelist[i]->w >= width) &&
(SDL_modelist[i]->h >= height) ) {
break;
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/* check current mode so we can avoid uneccessary mode changes */
get_real_resolution(this, &w, &h);
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fprintf(stderr, "XRANDR: set_best_resolution: "
"XXRSetScreenConfig: %d %d\n",
SDL_modelist[i]->w, SDL_modelist[i]->h);
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#endif
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/* find the matching size entry index */
for ( size_id = 0; size_id < nsizes; ++size_id ) {
if ( (sizes[size_id].width == SDL_modelist[i]->w) &&
(sizes[size_id].height == SDL_modelist[i]->h) )
break;
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XRRSetScreenConfig(SDL_Display, screen_config, SDL_Root,
size_id, saved_rotation, CurrentTime);
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}
}
}
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
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}
static void get_real_resolution(_THIS, int* w, int* h)
{
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#if SDL_VIDEO_DRIVER_X11_XME
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if ( use_xme ) {
int ractive;
XiGMiscResolutionInfo *modelist;
XiGMiscQueryResolutions(SDL_Display, SDL_Screen,
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0, /* view */
&ractive, &modelist);
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*w = modelist[ractive].width;
*h = modelist[ractive].height;
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fprintf(stderr, "XME: get_real_resolution: w = %d h = %d\n", *w, *h);
#endif
XFree(modelist);
return;
}
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#endif /* SDL_VIDEO_DRIVER_X11_XME */
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#if SDL_VIDEO_DRIVER_X11_VIDMODE
if ( use_vidmode ) {
SDL_NAME(XF86VidModeModeLine) mode;
int unused;
if ( SDL_NAME(XF86VidModeGetModeLine)(SDL_Display, SDL_Screen, &unused, &mode) ) {
*w = mode.hdisplay;
*h = mode.vdisplay;
return;
}
}
#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
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#if SDL_VIDEO_DRIVER_X11_XRANDR
if ( use_xrandr ) {
int nsizes;
XRRScreenSize* sizes;
sizes = XRRConfigSizes(screen_config, &nsizes);
if ( nsizes > 0 ) {
int cur_size;
Rotation cur_rotation;
cur_size = XRRConfigCurrentConfiguration(screen_config, &cur_rotation);
if ( cur_size >= 0 && cur_size < nsizes ) {
*w = sizes[cur_size].width;
*h = sizes[cur_size].height;
}
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fprintf(stderr, "XRANDR: get_real_resolution: w = %d h = %d\n", *w, *h);
#endif
return;
}
}
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
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#if SDL_VIDEO_DRIVER_X11_XINERAMA
if ( use_xinerama ) {
*w = xinerama_info.width;
*h = xinerama_info.height;
return;
}
#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
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*w = DisplayWidth(SDL_Display, SDL_Screen);
*h = DisplayHeight(SDL_Display, SDL_Screen);
}
/* Called after mapping a window - waits until the window is mapped */
void X11_WaitMapped(_THIS, Window win)
{
XEvent event;
do {
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XMaskEvent(SDL_Display, StructureNotifyMask, &event);
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} while ( (event.type != MapNotify) || (event.xmap.event != win) );
}
/* Called after unmapping a window - waits until the window is unmapped */
void X11_WaitUnmapped(_THIS, Window win)
{
XEvent event;
do {
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XMaskEvent(SDL_Display, StructureNotifyMask, &event);
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} while ( (event.type != UnmapNotify) || (event.xunmap.event != win) );
}
static void move_cursor_to(_THIS, int x, int y)
{
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XWarpPointer(SDL_Display, None, SDL_Root, 0, 0, 0, 0, x, y);
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}
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static int add_default_visual(_THIS)
{
int i;
int n = this->hidden->nvisuals;
for (i=0; i<n; i++) {
if (this->hidden->visuals[i].visual == DefaultVisual(SDL_Display, SDL_Screen)) return n;
}
this->hidden->visuals[n].depth = DefaultDepth(SDL_Display, SDL_Screen);;
this->hidden->visuals[n].visual = DefaultVisual(SDL_Display, SDL_Screen);;
this->hidden->nvisuals++;
return(this->hidden->nvisuals);
}
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static int add_visual(_THIS, int depth, int class)
{
XVisualInfo vi;
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if(XMatchVisualInfo(SDL_Display, SDL_Screen, depth, class, &vi)) {
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int n = this->hidden->nvisuals;
this->hidden->visuals[n].depth = vi.depth;
this->hidden->visuals[n].visual = vi.visual;
this->hidden->nvisuals++;
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}
return(this->hidden->nvisuals);
}
static int add_visual_byid(_THIS, const char *visual_id)
{
XVisualInfo *vi, template;
int nvis;
if ( visual_id ) {
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SDL_memset(&template, 0, (sizeof template));
template.visualid = SDL_strtol(visual_id, NULL, 0);
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vi = XGetVisualInfo(SDL_Display, VisualIDMask, &template, &nvis);
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if ( vi ) {
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int n = this->hidden->nvisuals;
this->hidden->visuals[n].depth = vi->depth;
this->hidden->visuals[n].visual = vi->visual;
this->hidden->nvisuals++;
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XFree(vi);
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}
}
return(this->hidden->nvisuals);
}
/* Global for the error handler */
int vm_event, vm_error = -1;
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#if SDL_VIDEO_DRIVER_X11_XINERAMA
static int CheckXinerama(_THIS, int *major, int *minor)
{
const char *env;
/* Default the extension not available */
*major = *minor = 0;
/* Allow environment override */
env = getenv("SDL_VIDEO_X11_XINERAMA");
if ( env && !SDL_atoi(env) ) {
return 0;
}
/* Query the extension version */
if ( !SDL_NAME(XineramaQueryExtension)(SDL_Display, major, minor) ||
!SDL_NAME(XineramaIsActive)(SDL_Display) ) {
return 0;
}
return 1;
}
#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
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#if SDL_VIDEO_DRIVER_X11_XRANDR
static int CheckXRandR(_THIS, int *major, int *minor)
{
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/* Default the extension not available */
*major = *minor = 0;
/* Allow environment override */
env = getenv("SDL_VIDEO_X11_XRANDR");
if ( env && !SDL_atoi(env) ) {
return 0;
}
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/* This defaults off now, due to KDE window maximize problems */
if ( !env ) {
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return 0;
}
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if ( !SDL_X11_HAVE_XRANDR ) {
return 0;
}
/* Query the extension version */
if ( !XRRQueryVersion(SDL_Display, major, minor) ) {
return 0;
}
return 1;
}
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
#if SDL_VIDEO_DRIVER_X11_VIDMODE
static int CheckVidMode(_THIS, int *major, int *minor)
{
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/* Default the extension not available */
*major = *minor = 0;
/* Allow environment override */
env = getenv("SDL_VIDEO_X11_VIDMODE");
if ( env && !SDL_atoi(env) ) {
return 0;
}
/* Metro-X 4.3.0 and earlier has a broken implementation of
XF86VidModeGetAllModeLines() - it hangs the client.
*/
if ( SDL_strcmp(ServerVendor(SDL_Display), "Metro Link Incorporated") == 0 ) {
FILE *metro_fp;
metro_fp = fopen("/usr/X11R6/lib/X11/Metro/.version", "r");
if ( metro_fp != NULL ) {
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int major, minor, patch, version, scannum;
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major = 0; minor = 0; patch = 0;
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scannum = fscanf(metro_fp, "%d.%d.%d", &major, &minor, &patch);
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fclose(metro_fp);
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if ( (scannum < 0) || (scannum > 3) ) {
return 0; /* we need _something_ useful from fscanf(). */
}
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version = major*100+minor*10+patch;
if ( version < 431 ) {
return 0;
}
}
}
/* Query the extension version */
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if ( !SDL_NAME(XF86VidModeQueryExtension)(SDL_Display, &vm_event, &vm_error) ||
!SDL_NAME(XF86VidModeQueryVersion)(SDL_Display, major, minor) ) {
return 0;
}
return 1;
}
#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
#if SDL_VIDEO_DRIVER_X11_XME
static int CheckXME(_THIS, int *major, int *minor)
{
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/* Default the extension not available */
*major = *minor = 0;
/* Allow environment override */
env = getenv("SDL_VIDEO_X11_VIDMODE");
if ( env && !SDL_atoi(env) ) {
return 0;
}
/* Query the extension version */
if ( !XiGMiscQueryVersion(SDL_Display, major, minor) ) {
return 0;
}
return 1;
}
#endif /* SDL_VIDEO_DRIVER_X11_XME */
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int X11_GetVideoModes(_THIS)
{
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#if SDL_VIDEO_DRIVER_X11_XRANDR
int xrandr_major, xrandr_minor;
int nsizes;
XRRScreenSize *sizes;
#endif
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#if SDL_VIDEO_DRIVER_X11_VIDMODE
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int vm_major, vm_minor;
int nmodes;
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SDL_NAME(XF86VidModeModeInfo) **modes;
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#if SDL_VIDEO_DRIVER_X11_XME
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int xme_major, xme_minor;
int ractive, nummodes;
XiGMiscResolutionInfo *modelist;
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#endif
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int i, n;
int screen_w;
int screen_h;
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use_xrandr = 0;
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screen_w = DisplayWidth(SDL_Display, SDL_Screen);
screen_h = DisplayHeight(SDL_Display, SDL_Screen);
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#if SDL_VIDEO_DRIVER_X11_XINERAMA
/* Query Xinerama extention */
if ( CheckXinerama(this, &xinerama_major, &xinerama_minor) ) {
/* Find out which screen is the desired one */
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const char *variable = SDL_getenv("SDL_VIDEO_FULLSCREEN_DISPLAY");
if ( !variable ) {
variable = SDL_getenv("SDL_VIDEO_FULLSCREEN_HEAD");
}
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if ( variable ) {
desired = SDL_atoi(variable);
}
#ifdef X11MODES_DEBUG
printf("X11 detected Xinerama:\n");
#endif
xinerama = SDL_NAME(XineramaQueryScreens)(SDL_Display, &screens);
for ( i = 0; i < screens; i++ ) {
#ifdef X11MODES_DEBUG
printf("xinerama %d: %dx%d+%d+%d\n",
xinerama[i].screen_number,
xinerama[i].width, xinerama[i].height,
xinerama[i].x_org, xinerama[i].y_org);
#endif
if ( xinerama[i].screen_number == desired ) {
use_xinerama = 1;
xinerama_info = xinerama[i];
}
}
XFree(xinerama);
if ( use_xinerama ) {
SDL_modelist = (SDL_Rect **)SDL_malloc(3*sizeof(SDL_Rect *));
if ( !SDL_modelist ) {
SDL_OutOfMemory();
return -1;
}
/* Add the full xinerama mode */
n = 0;
w = xinerama_info.width;
h = xinerama_info.height;
if ( screen_w > w || screen_h > h) {
SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
if ( SDL_modelist[n] ) {
SDL_modelist[n]->x = 0;
SDL_modelist[n]->y = 0;
SDL_modelist[n]->w = screen_w;
SDL_modelist[n]->h = screen_h;
++n;
}
}
/* Add the head xinerama mode */
SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
if ( SDL_modelist[n] ) {
SDL_modelist[n]->x = 0;
SDL_modelist[n]->y = 0;
SDL_modelist[n]->w = w;
SDL_modelist[n]->h = h;
++n;
}
SDL_modelist[n] = NULL;
}
}
#endif /* SDL_VIDEO_DRIVER_X11_XINERAMA */
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#if SDL_VIDEO_DRIVER_X11_XRANDR
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/* require at least XRandR v1.0 (arbitrary) */
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if ( CheckXRandR(this, &xrandr_major, &xrandr_minor) && (xrandr_major >= 1) )
{
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fprintf(stderr, "XRANDR: XRRQueryVersion: V%d.%d\n",
xrandr_major, xrandr_minor);
#endif
/* save the screen configuration since we must reference it
each time we toggle modes.
*/
screen_config = XRRGetScreenInfo(SDL_Display, SDL_Root);
/* retrieve the list of resolution */
sizes = XRRConfigSizes(screen_config, &nsizes);
if (nsizes > 0) {
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if ( SDL_modelist ) {
for ( i = 0; SDL_modelist[i]; ++i ) {
SDL_free(SDL_modelist[i]);
}
SDL_free(SDL_modelist);
}
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SDL_modelist = (SDL_Rect **)malloc((nsizes+1)*sizeof(SDL_Rect *));
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if ( !SDL_modelist ) {
SDL_OutOfMemory();
return -1;
}
for ( i=0; i < nsizes; i++ ) {
if ((SDL_modelist[i] =
(SDL_Rect *)malloc(sizeof(SDL_Rect))) == NULL)
break;
#ifdef X11MODES_DEBUG
fprintf(stderr, "XRANDR: mode = %4d, w = %4d, h = %4d\n",
i, sizes[i].width, sizes[i].height);
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#endif
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SDL_modelist[i]->x = 0;
SDL_modelist[i]->y = 0;
SDL_modelist[i]->w = sizes[i].width;
SDL_modelist[i]->h = sizes[i].height;
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use_xrandr = xrandr_major * 100 + xrandr_minor;
saved_size_id = XRRConfigCurrentConfiguration(screen_config, &saved_rotation);
}
}
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
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#if SDL_VIDEO_DRIVER_X11_VIDMODE
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/* XVidMode */
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SDL_NAME(XF86VidModeGetAllModeLines)(SDL_Display, SDL_Screen,&nmodes,&modes) )
{
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for ( i = 0; i < nmodes; ++i ) {
printf("Mode %d: %d x %d @ %d\n", i,
modes[i]->hdisplay, modes[i]->vdisplay,
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(modes[i]->htotal && modes[i]->vtotal) ? (1000 * modes[i]->dotclock / (modes[i]->htotal * modes[i]->vtotal)) : 0 );
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}
#endif
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if ( SDL_modelist ) {
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for ( i = 0; SDL_modelist[i]; ++i ) {
SDL_free(SDL_modelist[i]);
}
SDL_free(SDL_modelist);
}
SDL_modelist = (SDL_Rect **)SDL_malloc((nmodes+2)*sizeof(SDL_Rect *));
if ( !SDL_modelist ) {
SDL_OutOfMemory();
return -1;
}
SDL_qsort(modes, nmodes, sizeof *modes, cmpmodes);
n = 0;
for ( i=0; i<nmodes; ++i ) {
int w, h;
/* Eliminate duplicate modes with different refresh rates */
if ( i > 0 &&
modes[i]->hdisplay == modes[i-1]->hdisplay &&
modes[i]->vdisplay == modes[i-1]->vdisplay ) {
continue;
}
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/* Check to see if we should add the screen size (Xinerama) */
w = modes[i]->hdisplay;
h = modes[i]->vdisplay;
if ( (screen_w * screen_h) >= (w * h) ) {
if ( (screen_w != w) || (screen_h != h) ) {
SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
if ( SDL_modelist[n] ) {
SDL_modelist[n]->x = 0;
SDL_modelist[n]->y = 0;
SDL_modelist[n]->w = screen_w;
SDL_modelist[n]->h = screen_h;
++n;
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/* Add the size from the video mode list */
SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
if ( SDL_modelist[n] == NULL ) {
break;
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}
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SDL_modelist[n]->x = 0;
SDL_modelist[n]->y = 0;
SDL_modelist[n]->w = w;
SDL_modelist[n]->h = h;
++n;
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}
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XFree(modes);
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use_vidmode = vm_major * 100 + vm_minor;
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save_mode(this);
}
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#endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */
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#if SDL_VIDEO_DRIVER_X11_XME
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modelist = NULL;
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/* first lets make sure we have the extension, and it's at least v2.0 */
if ( CheckXME(this, &xme_major, &xme_minor) && xme_major >= 2 &&
(nummodes = XiGMiscQueryResolutions(SDL_Display, SDL_Screen,
0, /* view */
&ractive, &modelist)) > 1 )
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{ /* then we actually have some */
int j;
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/* We get the list already sorted in descending order.
We'll copy it in reverse order so SDL is happy */
#ifdef X11MODES_DEBUG
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fprintf(stderr, "XME: nummodes = %d, active mode = %d\n",
nummodes, ractive);
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if ( SDL_modelist ) {
for ( i = 0; SDL_modelist[i]; ++i ) {
SDL_free(SDL_modelist[i]);
}
SDL_free(SDL_modelist);
}
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SDL_modelist = (SDL_Rect **)SDL_malloc((nummodes+1)*sizeof(SDL_Rect *));
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if ( !SDL_modelist ) {
SDL_OutOfMemory();
return -1;
}
for ( i=0, j=nummodes-1; j>=0; i++, j-- ) {
if ((SDL_modelist[i] =
(SDL_Rect *)SDL_malloc(sizeof(SDL_Rect))) == NULL)
break;
#ifdef X11MODES_DEBUG
fprintf(stderr, "XME: mode = %4d, w = %4d, h = %4d\n",
i, modelist[i].width, modelist[i].height);
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SDL_modelist[i]->x = 0;
SDL_modelist[i]->y = 0;
SDL_modelist[i]->w = modelist[j].width;
SDL_modelist[i]->h = modelist[j].height;
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SDL_modelist[i] = NULL; /* terminator */
use_xme = xme_major * 100 + xme_minor;
787
saved_res = modelist[ractive]; /* save the current resolution */
788
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}
if ( modelist ) {
790
XFree(modelist);
792
#endif /* SDL_VIDEO_DRIVER_X11_XME */
794
{
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/* It's interesting to note that if we allow 32 bit depths,
we get a visual with an alpha mask on composite servers.
797
static int depth_list[] = { 32, 24, 16, 15, 8 };
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int j, np;
int use_directcolor = 1;
XPixmapFormatValues *pf;
/* Search for the visuals in deepest-first order, so that the first
will be the richest one */
806
if ( SDL_getenv("SDL_VIDEO_X11_NODIRECTCOLOR") ) {
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use_directcolor = 0;
}
this->hidden->nvisuals = 0;
810
if ( ! add_visual_byid(this, SDL_getenv("SDL_VIDEO_X11_VISUALID")) ) {
811
for ( i=0; i<SDL_arraysize(depth_list); ++i ) {
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if ( depth_list[i] > 8 ) {
if ( use_directcolor ) {
add_visual(this, depth_list[i], DirectColor);
}
add_visual(this, depth_list[i], TrueColor);
} else {
add_visual(this, depth_list[i], PseudoColor);
add_visual(this, depth_list[i], StaticColor);
}
}
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826
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828
829
}
if ( this->hidden->nvisuals == 0 ) {
SDL_SetError("Found no sufficiently capable X11 visuals");
return -1;
}
/* look up the pixel quantum for each depth */
830
pf = XListPixmapFormats(SDL_Display, &np);
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for(i = 0; i < this->hidden->nvisuals; i++) {
int d = this->hidden->visuals[i].depth;
for(j = 0; j < np; j++)
if(pf[j].depth == d)
break;
this->hidden->visuals[i].bpp = j < np ? pf[j].bits_per_pixel : d;
}
839
XFree(pf);
840
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842
}
if ( SDL_modelist == NULL ) {
843
SDL_modelist = (SDL_Rect **)SDL_malloc((1+1)*sizeof(SDL_Rect *));
847
}
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n = 0;
SDL_modelist[n] = (SDL_Rect *)SDL_malloc(sizeof(SDL_Rect));
if ( SDL_modelist[n] ) {
SDL_modelist[n]->x = 0;
SDL_modelist[n]->y = 0;
SDL_modelist[n]->w = screen_w;
SDL_modelist[n]->h = screen_h;
++n;
}
SDL_modelist[n] = NULL;
}
#ifdef X11MODES_DEBUG
if ( use_xinerama ) {
printf("Xinerama is enabled\n");
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}
865
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868
if ( use_xrandr ) {
printf("XRandR is enabled\n");
}
869
if ( use_vidmode ) {
871
}
877
if ( SDL_modelist ) {
878
printf("X11 video mode list:\n");
879
for ( i=0; SDL_modelist[i]; ++i ) {
880
printf("\t%dx%d\n", SDL_modelist[i]->w, SDL_modelist[i]->h);
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}
}
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return 0;
}
int X11_SupportedVisual(_THIS, SDL_PixelFormat *format)
{
int i;
for(i = 0; i < this->hidden->nvisuals; i++)
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if(this->hidden->visuals[i].bpp == format->BitsPerPixel)
return 1;
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return 0;
}
SDL_Rect **X11_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
{
if ( X11_SupportedVisual(this, format) ) {
if ( flags & SDL_FULLSCREEN ) {
return(SDL_modelist);
} else {
return((SDL_Rect **)-1);
}
} else {
return((SDL_Rect **)0);
}
}
void X11_FreeVideoModes(_THIS)
{
int i;
if ( SDL_modelist ) {
for ( i=0; SDL_modelist[i]; ++i ) {
916
SDL_free(SDL_modelist[i]);
917
}
918
SDL_free(SDL_modelist);
919
920
SDL_modelist = NULL;
}
921
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928
#if SDL_VIDEO_DRIVER_X11_XRANDR
/* Free the Xrandr screen configuration */
if ( screen_config ) {
XRRFreeScreenConfigInfo(screen_config);
screen_config = NULL;
}
#endif /* SDL_VIDEO_DRIVER_X11_XRANDR */
929
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931
932
}
int X11_ResizeFullScreen(_THIS)
{
934
int real_w, real_h;
935
936
937
938
939
int screen_w;
int screen_h;
screen_w = DisplayWidth(SDL_Display, SDL_Screen);
screen_h = DisplayHeight(SDL_Display, SDL_Screen);
942
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946
947
if ( use_xinerama &&
window_w <= xinerama_info.width &&
window_h <= xinerama_info.height ) {
x = xinerama_info.x_org;
y = xinerama_info.y_org;
}
950
951
if ( currently_fullscreen ) {
/* Switch resolution and cover it with the FSwindow */
952
move_cursor_to(this, x, y);
953
set_best_resolution(this, window_w, window_h);
954
move_cursor_to(this, x, y);
955
get_real_resolution(this, &real_w, &real_h);
956
if ( window_w > real_w ) {
957
958
real_w = MAX(real_w, screen_w);
}
959
if ( window_h > real_h ) {
960
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real_h = MAX(real_h, screen_h);
}
962
XMoveResizeWindow(SDL_Display, FSwindow, x, y, real_w, real_h);
963
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965
move_cursor_to(this, real_w/2, real_h/2);
/* Center and reparent the drawing window */
966
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x = (real_w - window_w)/2;
y = (real_h - window_h)/2;
968
XReparentWindow(SDL_Display, SDL_Window, FSwindow, x, y);
969
/* FIXME: move the mouse to the old relative location */
970
XSync(SDL_Display, True); /* Flush spurious mode change events */
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}
return(1);
}
void X11_QueueEnterFullScreen(_THIS)
{
switch_waiting = 0x01 | SDL_FULLSCREEN;
switch_time = SDL_GetTicks() + 1500;
#if 0 /* This causes a BadMatch error if the window is iconified (not needed) */
980
XSetInputFocus(SDL_Display, WMwindow, RevertToNone, CurrentTime);
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#endif
}
int X11_EnterFullScreen(_THIS)
{
int okay;
#if 0
Window tmpwin, *windows;
int i, nwindows;
#endif
992
int real_w, real_h;
993
994
int screen_w;
int screen_h;
995
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okay = 1;
997
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999
if ( currently_fullscreen ) {
return(okay);
}
1000