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+ <TITLE> [Nel] Linux fullscreen patches</TITLE>

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+ <H1>[Nel] Linux fullscreen patches</H1>

+ Leighton Haynes

+ <A HREF="mailto:dayta%40ucc.gu.uwa.edu.au"

+ TITLE="[Nel] Linux fullscreen patches">dayta@ucc.gu.uwa.edu.au</A>

+ Wed, 28 Feb 2001 20:16:17 +0800

+ <UL>

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+

+<PRE>--vkogqOf2sHV7VnPd

+Content-Type: text/plain; charset=us-ascii

+Content-Disposition: inline

+Hi Guys,

+ Attached to this should be 3 diffs against the current cvs tree

+ to enable fullscreen under linux using the XFree86 VidMode

+ extensions. The aptches are for the configure.in script,

+ and driver_opengl.{cpp,h}.

+ To enable it you need to remake the configure script (./bootstrap)

+ and run configure with the --with-xf86vidmode=<position of the

+ Xxf86vm lib> - usually /usr/X11R6/lib. If this option isn't given,

+ it will currently compile without fullscreen support.

+ Anyhow, have a play, if anyone finds bugs... erm.. bug me ;)

+Leighton...

+--

+Part-time student. Full-time Programmer.

+Seeking the 36 hour day and the 10 hour working week.

+(08) 9272 9058 (Home - like I'm ever there)

+0401 335 136 (Mobile - like it's ever on)

+--vkogqOf2sHV7VnPd

+Content-Type: text/plain; charset=us-ascii

+Content-Disposition: attachment; filename="diff.configure.in"

+Index: configure.in

+===================================================================

+RCS file: /home/cvsroot/code/nel/configure.in,v

+retrieving revision 1.23

+diff -r1.23 configure.in

+232a233,251

+> dnl ============================================

+> dnl Check for XF86VidMode extension (-lXxf86vm)

+> dnl ============================================

+> AC_MSG_CHECKING("for XF86VidMode extension")

+> AC_ARG_WITH( xf86vidmode,

+> [ --with-xf86vidmode=<path> path to the XF86VidMode lib.

+> e.g. /usr/X11R6/lib],

+> [VMLIB_DIR=$with_xf86vidmode

+> AC_MSG_RESULT(using VidMode library located in $with_xf86vidmode.)],

+> AC_MSG_RESULT(Compiling without Xf86VidMode and hence fullscreen support to compile with XF86VidMode support, use --with-xf86vidmode=<pathtolib>)

+> )

+>

+> if test X"$VMLIB_DIR" != X;

+> then

+> LIBS="-L$VMLIB_DIR -lXxf86vm $LIBS";

+> CXXFLAGS="$CXXFLAGS -DXF86VIDMODE";

+> fi

+>

+

+--vkogqOf2sHV7VnPd

+Content-Type: text/plain; charset=us-ascii

+Content-Disposition: attachment; filename="diff.driver_opengl.cpp"

+Index: driver_opengl.cpp

+===================================================================

+RCS file: /home/cvsroot/code/nel/src/3d/driver/opengl/driver_opengl.cpp,v

+retrieving revision 1.75

+diff -r1.75 driver_opengl.cpp

+140d139

+< _FullScreen= false;

+144c143,149

+< #endif // NL_OS_WINDOWS

+---

+> #elif defined (NL_OS_UNIX) // NL_OS_WINDOWS

+> #ifdef XF86VIDMODE

+> memset(&_OldScreenMode,0,sizeof(_OldScreenMode));// zero the old screen mode

+> #endif //XF86VIDMODE

+> #endif

+>

+> _FullScreen= false;

+225a231

+> {

+226a233

+> }

+351c358

+< {

+---

+> {

+353c360

+< }

+---

+> }

+355c362

+< {

+---

+> {

+357c364

+< }

+---

+> }

+364c371,385

+< attr.override_redirect = False;

+---

+> #ifdef XF86VIDMODE

+> // If we're going to attempt fullscreen, we need to set redirect to True,

+> // This basically places the window with no borders in the top left

+> // corner of the screen.

+> if (mode.Windowed)

+> {

+> attr.override_redirect = False;

+> }

+> else

+> {

+> attr.override_redirect = True;

+> }

+> #else

+> attr.override_redirect = False;

+> #endif

+409,411c430,507

+< // XEvent event;

+< // XIfEvent(dpy, &event, WaitForNotify, (char *)this);

+---

+> #ifdef XF86VIDMODE

+> if (!mode.Windowed)

+> {

+>

+> // Set window to the right size, map it to the display, and raise it

+> // to the front

+> XResizeWindow(dpy,win,mode.Width,mode.Height);

+> XMapRaised(dpy,win);

+> XRaiseWindow(dpy, win);

+>

+> // grab the mouse and keyboard on the fullscreen window

+> if ((XGrabPointer(dpy, win, True, 0,

+> GrabModeAsync, GrabModeAsync,

+> win, None, CurrentTime) != GrabSuccess) ||

+> (XGrabKeyboard(dpy, win, True,

+> GrabModeAsync, GrabModeAsync, CurrentTime) != 0) )

+> {

+> // Until I work out how to deal with this nicely, it just gives

+> // an error and exits the prorgam.

+> nlerror("Unable to grab keyboard and mouse\n");

+> }

+> else

+> {

+> // Save the old screen mode and dotclock

+> memset(&_OldScreenMode, 0, sizeof(_OldScreenMode));

+> XF86VidModeGetModeLine(dpy,

+> DefaultScreen(dpy),

+> &_OldDotClock,

+> &_OldScreenMode);

+> // Save the old viewport

+> XF86VidModeGetViewPort(dpy,

+> DefaultScreen(dpy),

+> &_OldX,

+> &_OldY);

+>

+> // get a list of modes, search for an appropriate one.

+> XF86VidModeModeInfo **modes;

+> int nmodes;

+> if (XF86VidModeGetAllModeLines(dpy,

+> DefaultScreen(dpy),

+> &nmodes,&modes))

+> {

+> int mode_index = -1; // Gah, magic numbers all bad.

+> for (int i = 0; i < nmodes; i++)

+> {

+> nldebug("Available mode - %dx%d\n",mode.Width,mode.Height);

+> if( (modes[i]->hdisplay == mode.Width) &&

+> (modes[i]->vdisplay == mode.Height))

+> {

+> mode_index = i;

+> }

+> // Switch to the mode

+> if (mode_index != -1)

+> {

+> if(XF86VidModeSwitchToMode(dpy,

+> DefaultScreen(dpy),

+> modes[mode_index]))

+> {

+> nlinfo("Switching to mode %dx%d,\n",mode.Width,

+> mode.Height);

+> XF86VidModeSetViewPort(dpy,DefaultScreen(dpy),0, 0);

+> _FullScreen = true;

+> }

+> else

+> {

+> // This is a problem, since we've nuked the border from

+> // window in the setup stage, until I work out how

+> // to get it back (recreate window? seems excessive)

+> nlerror("Couldn't find an appropriate mode %dx%d\n",

+> mode.Width,

+> mode.Height);

+> }

+> #endif // XF86VIDMODE

+659c755,776

+< #endif // NL_OS_WINDOWS

+---

+> #elif defined (NL_OS_UNIX)// NL_OS_WINDOWS

+>

+> #ifdef XF86VIDMODE

+> if(_FullScreen)

+> {

+> XF86VidModeModeInfo info;

+> nlinfo("Switching back to original mode \n");

+>

+> // This is a bit ugly - a quick hack to copy the ModeLine structure

+> // into the modeInfo structure.

+> memcpy((XF86VidModeModeLine *)((char *)&info + sizeof(info.dotclock)), &_OldScreenMode, sizeof(XF86VidModeModeLine));

+> info.dotclock = _OldDotClock;

+>

+> nlinfo("Mode is %dx%d,\n",info.hdisplay,info.vdisplay);

+> XF86VidModeSwitchToMode(dpy,DefaultScreen(dpy),&info);

+> nlinfo("Switching viewporr to %d,%d,\n",_OldX, _OldY);

+> XF86VidModeSetViewPort(dpy,DefaultScreen(dpy),_OldX,_OldY);

+> // Ungrab the keyboard (probably not necessary);

+> XUngrabKeyboard(dpy, CurrentTime);

+> }

+> #endif // XF86VIDMODE

+> #endif // NL_OS_UNIX

+

+--vkogqOf2sHV7VnPd

+Content-Type: text/plain; charset=us-ascii

+Content-Disposition: attachment; filename="diff.driver_opengl.h"

+Index: driver_opengl.h

+===================================================================

+RCS file: /home/cvsroot/code/nel/src/3d/driver/opengl/driver_opengl.h,v

+retrieving revision 1.50

+diff -r1.50 driver_opengl.h

+40a41

+> #include <X11/extensions/xf86vmode.h>

+219a221

+> bool _FullScreen;

+230d231

+< bool _FullScreen;

+238a240,244

+> //#ifdef XF86VIDMODE

+> int _OldDotClock; // old dotclock

+> XF86VidModeModeLine _OldScreenMode; // old modeline

+> int _OldX, _OldY; //Viewport settings

+> //#endif //XF86VIDMODE

+240d245

+--vkogqOf2sHV7VnPd--

+</pre>

+

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