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Added X11 Xinerama support - fullscreen starts on screen 0
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slouken committed Nov 3, 2001
1 parent 6c28cfe commit 14dbc78
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Showing 4 changed files with 79 additions and 15 deletions.
20 changes: 20 additions & 0 deletions configure.in
Expand Up @@ -602,6 +602,26 @@ CheckX11()
SYSTEM_LIBS="$SYSTEM_LIBS -lXv"
fi
fi
AC_ARG_ENABLE(video-x11-xinerama,
[ --enable-video-x11-xinerama enable X11 Xinerama support [default=yes]],
, enable_video_x11_xinerama=yes)
if test x$enable_video_x11_xinerama = xyes; then
AC_MSG_CHECKING(for X11 Xinerama support)
video_x11_xinerama=no
AC_TRY_COMPILE([
#include <X11/Xlib.h>
#include <X11/extensions/Xinerama.h>
],[
XineramaScreenInfo *xinerama;
],[
video_x11_xinerama=yes
])
AC_MSG_RESULT($video_x11_xinerama)
if test x$video_x11_xinerama = xyes; then
CFLAGS="$CFLAGS -DHAVE_XINERAMA"
SYSTEM_LIBS="$SYSTEM_LIBS -lXinerama"
fi
fi
fi
fi
}
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1 change: 1 addition & 0 deletions docs.html
Expand Up @@ -16,6 +16,7 @@ <H2>
Major changes since SDL 1.0.0:
</H2>
<UL>
<LI> 1.2.3: Added X11 Xinerama support - fullscreen starts on screen 0
<LI> 1.2.3: Added platform independent OpenGL header - SDL_opengl.h
<LI> 1.2.3: Fixed flashing the screen when creating a window on BeOS
<LI> 1.2.3: Added double-buffering support for SVGAlib (thanks Kutak!)
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68 changes: 53 additions & 15 deletions src/video/x11/SDL_x11modes.c
Expand Up @@ -39,6 +39,9 @@ static char rcsid =
#include "SDL_x11modes_c.h"
#include "SDL_x11image_c.h"

#ifdef HAVE_XINERAMA
#include <X11/extensions/Xinerama.h>
#endif

#ifdef XFREE86_VM
Bool XVidMode(GetModeInfo, (Display *dpy, int scr, XF86VidModeModeInfo *info))
Expand Down Expand Up @@ -99,10 +102,11 @@ static void set_best_resolution(_THIS, int width, int height)
XVidMode(GetAllModeLines, (SDL_Display,SDL_Screen,&nmodes,&modes))){
qsort(modes, nmodes, sizeof *modes, cmpmodes);
#ifdef XFREE86_DEBUG
printf("Available modes:\n");
for ( i = 0; i < nmodes; ++i ) {
printf("Mode %d: %dx%d\n", i, modes[i]->hdisplay, modes[i]->vdisplay);
}
printf("Available modes:\n");
for ( i = 0; i < nmodes; ++i ) {
printf("Mode %d: %dx%d\n", i,
modes[i]->hdisplay, modes[i]->vdisplay);
}
#endif
for ( i = nmodes-1; i > 0 ; --i ) {
if ( (modes[i]->hdisplay >= width) &&
Expand Down Expand Up @@ -238,8 +242,8 @@ int X11_GetVideoModes(_THIS)
#ifdef X_XF86VidModeGetDotClocks /* Compiled under XFree86 4.0 */
/* Earlier X servers hang when doing vidmode */
if ( vm_major < 2 ) {
#ifdef DEBUG_XF86
printf("Compiled under XFree86 4.0, server is XFree86 3.X\n");
#ifdef XFREE86_DEBUG
printf("Compiled under XFree86 4.0, server is XFree86 3.X\n");
#endif
buggy_X11 = 1;
}
Expand Down Expand Up @@ -335,18 +339,50 @@ int X11_GetVideoModes(_THIS)
}
}

#ifdef DEBUG_XF86
#ifdef XFREE86_DEBUG
if ( use_vidmode ) {
fprintf(stderr, "XFree86 VidMode is enabled\n");
printf("XFree86 VidMode is enabled\n");
}
if ( SDL_modelist ) {
fprintf(stderr, "X11 video mode list:\n");
printf("X11 video mode list:\n");
for ( i=0; SDL_modelist[i]; ++i ) {
fprintf(stderr, "\t%dx%d\n",
SDL_modelist[i]->w, SDL_modelist[i]->h);
printf("\t%dx%d\n", SDL_modelist[i]->w, SDL_modelist[i]->h);
}
}
#endif /* DEBUG_XF86 */
#endif /* XFREE86_DEBUG */

/* The default X/Y fullscreen offset is 0/0 */
xinerama_x = 0;
xinerama_y = 0;

#ifdef HAVE_XINERAMA
/* Query Xinerama extention */
if ( XineramaQueryExtension(SDL_Display, &i, &i) &&
XineramaIsActive(SDL_Display) ) {
/* Find out which screen is the zero'th one */
int screens;
XineramaScreenInfo *xinerama;

#ifdef XINERAMA_DEBUG
printf("X11 detected Xinerama:\n");
#endif
xinerama = XineramaQueryScreens(SDL_Display, &screens);
for ( i = 0; i < screens; i++ ) {
#ifdef XINERAMA_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 == 0 ) {
xinerama_x = xinerama[i].x_org;
xinerama_y = xinerama[i].y_org;
}
}
XFree(xinerama);
}
#endif /* HAVE_XINERAMA */

return 0;
}

Expand Down Expand Up @@ -390,13 +426,15 @@ int X11_ResizeFullScreen(_THIS)
int x, y;
int real_w, real_h;

x = xinerama_x;
y = xinerama_y;
if ( currently_fullscreen ) {
/* Switch resolution and cover it with the FSwindow */
move_cursor_to(this, 0, 0);
move_cursor_to(this, x, y);
set_best_resolution(this, current_w, current_h);
move_cursor_to(this, 0, 0);
move_cursor_to(this, x, y);
get_real_resolution(this, &real_w, &real_h);
XMoveResizeWindow(SDL_Display, FSwindow, 0, 0, real_w, real_h);
XMoveResizeWindow(SDL_Display, FSwindow, x, y, real_w, real_h);
move_cursor_to(this, real_w/2, real_h/2);

/* Center and reparent the drawing window */
Expand Down
5 changes: 5 additions & 0 deletions src/video/x11/SDL_x11video.h
Expand Up @@ -47,6 +47,7 @@ static char rcsid =
#define XVidMode(func, args) XF86VidMode##func args
#endif
#endif /* XFREE86_VM */

#include <string.h>

#include "SDL_mouse.h"
Expand Down Expand Up @@ -120,6 +121,8 @@ struct SDL_PrivateVideoData {
int x, y;
} saved_view;
#endif
int xinerama_x;
int xinerama_y;
int use_vidmode;
int currently_fullscreen;

Expand Down Expand Up @@ -169,6 +172,8 @@ struct SDL_PrivateVideoData {
#define SDL_modelist (this->hidden->modelist)
#define saved_mode (this->hidden->saved_mode)
#define saved_view (this->hidden->saved_view)
#define xinerama_x (this->hidden->xinerama_x)
#define xinerama_y (this->hidden->xinerama_y)
#define use_vidmode (this->hidden->use_vidmode)
#define currently_fullscreen (this->hidden->currently_fullscreen)
#define switch_waiting (this->hidden->switch_waiting)
Expand Down

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