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wrath-darkplaces/vid_glx.c

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/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#if !defined(__APPLE__) && !defined(__MACH__) && !defined(SUNOS)
//#define USEDGA
#endif
#include <signal.h>
#include <dlfcn.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/XKBlib.h> // TODO possibly ifdef this out on non-supporting systems... Solaris (as always)?
#include <GL/glx.h>
#include "quakedef.h"
#include "dpsoftrast.h"
#include <X11/keysym.h>
#include <X11/cursorfont.h>
#include <X11/xpm.h>
#include <X11/extensions/XShm.h>
#ifdef USEDGA
#include <X11/extensions/xf86dga.h>
#endif
#include <X11/extensions/xf86vmode.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/extensions/XShm.h>
// get the Uchar type
#include "utf8lib.h"
#include "image.h"
#include "nexuiz.xpm"
#include "darkplaces.xpm"
// Tell startup code that we have a client
int cl_available = true;
// note: if we used the XRandR extension we could support refresh rates
qboolean vid_supportrefreshrate = false;
//GLX prototypes
XVisualInfo *(GLAPIENTRY *qglXChooseVisual)(Display *dpy, int screen, int *attribList);
GLXContext (GLAPIENTRY *qglXCreateContext)(Display *dpy, XVisualInfo *vis, GLXContext shareList, Bool direct);
void (GLAPIENTRY *qglXDestroyContext)(Display *dpy, GLXContext ctx);
Bool (GLAPIENTRY *qglXMakeCurrent)(Display *dpy, GLXDrawable drawable, GLXContext ctx);
void (GLAPIENTRY *qglXSwapBuffers)(Display *dpy, GLXDrawable drawable);
const char *(GLAPIENTRY *qglXQueryExtensionsString)(Display *dpy, int screen);
//GLX_ARB_get_proc_address
void *(GLAPIENTRY *qglXGetProcAddressARB)(const GLubyte *procName);
static dllfunction_t getprocaddressfuncs[] =
{
{"glXGetProcAddressARB", (void **) &qglXGetProcAddressARB},
{NULL, NULL}
};
//GLX_SGI_swap_control
GLint (GLAPIENTRY *qglXSwapIntervalSGI)(GLint interval);
static dllfunction_t swapcontrolfuncs[] =
{
{"glXSwapIntervalSGI", (void **) &qglXSwapIntervalSGI},
{NULL, NULL}
};
static Display *vidx11_display = NULL;
static int vidx11_screen;
static Window win, root;
static GLXContext ctx = NULL;
static GC vidx11_gc = NULL;
static XImage *vidx11_ximage[2] = { NULL, NULL };
static int vidx11_ximage_pos = 0;
static XShmSegmentInfo vidx11_shminfo[2];
static int vidx11_shmevent = -1;
static int vidx11_shmwait = 0; // number of frames outstanding
Atom wm_delete_window_atom;
Atom net_wm_state_atom;
Atom net_wm_state_hidden_atom;
Atom net_wm_state_fullscreen_atom;
Atom net_wm_icon;
Atom cardinal;
#define KEY_MASK (KeyPressMask | KeyReleaseMask)
#define MOUSE_MASK (ButtonPressMask | ButtonReleaseMask | \
PointerMotionMask | ButtonMotionMask)
#define X_MASK (KEY_MASK | MOUSE_MASK | VisibilityChangeMask | \
StructureNotifyMask | FocusChangeMask | EnterWindowMask | \
LeaveWindowMask)
static qboolean mouse_avail = true;
static qboolean vid_usingmousegrab = false;
static qboolean vid_usingmouse = false;
static qboolean vid_usinghidecursor = false;
static qboolean vid_usingvsync = false;
static qboolean vid_usevsync = false;
static qboolean vid_x11_hardwaregammasupported = false;
#ifdef USEDGA
static qboolean vid_x11_dgasupported = false;
#endif
static int vid_x11_gammarampsize = 0;
#ifdef USEDGA
cvar_t vid_dgamouse = {CVAR_SAVE, "vid_dgamouse", "0", "make use of DGA mouse input"};
static qboolean vid_usingdgamouse = false;
#endif
qboolean vidmode_ext = false;
static int win_x, win_y;
static XF86VidModeModeInfo init_vidmode, game_vidmode;
static qboolean vid_isfullscreen = false;
static qboolean vid_isvidmodefullscreen = false;
static qboolean vid_isdesktopfullscreen = false;
static qboolean vid_isoverrideredirect = false;
static vid_mode_t desktop_mode;
static Visual *vidx11_visual;
static Colormap vidx11_colormap;
/*-----------------------------------------------------------------------*/
//
extern long keysym2ucs(KeySym keysym); // LordHavoc: suppress warning just in this case, it's not worth having a header file for this...
static void DP_Xutf8LookupString(XKeyEvent * ev,
Uchar *uch,
KeySym * keysym_return,
Status * status_return)
{
int rc;
KeySym keysym;
int codepoint;
char buffer[64];
int nbytes = sizeof(buffer);
rc = XLookupString(ev, buffer, nbytes, &keysym, NULL);
if (rc > 0) {
codepoint = buffer[0] & 0xFF;
} else {
codepoint = keysym2ucs(keysym);
}
if (codepoint < 0) {
if (keysym == None) {
*status_return = XLookupNone;
} else {
*status_return = XLookupKeySym;
*keysym_return = keysym;
}
*uch = 0;
return;
}
*uch = codepoint;
if (keysym != None) {
*keysym_return = keysym;
*status_return = XLookupBoth;
} else {
*status_return = XLookupChars;
}
}
static int XLateKey(XKeyEvent *ev, Uchar *ascii)
{
int key = 0;
//char buf[64];
KeySym keysym, shifted;
Status status;
keysym = XLookupKeysym (ev, 0);
DP_Xutf8LookupString(ev, ascii, &shifted, &status);
switch(keysym)
{
case XK_KP_Page_Up: key = K_KP_PGUP; break;
case XK_Page_Up: key = K_PGUP; break;
case XK_KP_Page_Down: key = K_KP_PGDN; break;
case XK_Page_Down: key = K_PGDN; break;
case XK_KP_Home: key = K_KP_HOME; break;
case XK_Home: key = K_HOME; break;
case XK_KP_End: key = K_KP_END; break;
case XK_End: key = K_END; break;
case XK_KP_Left: key = K_KP_LEFTARROW; break;
case XK_Left: key = K_LEFTARROW; break;
case XK_KP_Right: key = K_KP_RIGHTARROW; break;
case XK_Right: key = K_RIGHTARROW; break;
case XK_KP_Down: key = K_KP_DOWNARROW; break;
case XK_Down: key = K_DOWNARROW; break;
case XK_KP_Up: key = K_KP_UPARROW; break;
case XK_Up: key = K_UPARROW; break;
case XK_Escape: key = K_ESCAPE; break;
case XK_KP_Enter: key = K_KP_ENTER; break;
case XK_Return: key = K_ENTER; break;
case XK_Tab: key = K_TAB; break;
case XK_F1: key = K_F1; break;
case XK_F2: key = K_F2; break;
case XK_F3: key = K_F3; break;
case XK_F4: key = K_F4; break;
case XK_F5: key = K_F5; break;
case XK_F6: key = K_F6; break;
case XK_F7: key = K_F7; break;
case XK_F8: key = K_F8; break;
case XK_F9: key = K_F9; break;
case XK_F10: key = K_F10; break;
case XK_F11: key = K_F11; break;
case XK_F12: key = K_F12; break;
case XK_BackSpace: key = K_BACKSPACE; break;
case XK_KP_Delete: key = K_KP_DEL; break;
case XK_Delete: key = K_DEL; break;
case XK_Pause: key = K_PAUSE; break;
case XK_Shift_L:
case XK_Shift_R: key = K_SHIFT; break;
case XK_Execute:
case XK_Control_L:
case XK_Control_R: key = K_CTRL; break;
case XK_Alt_L:
case XK_Meta_L:
case XK_ISO_Level3_Shift:
case XK_Alt_R:
case XK_Meta_R: key = K_ALT; break;
case XK_KP_Begin: key = K_KP_5; break;
case XK_Insert:key = K_INS; break;
case XK_KP_Insert: key = K_KP_INS; break;
case XK_KP_Multiply: key = K_KP_MULTIPLY; break;
case XK_KP_Add: key = K_KP_PLUS; break;
case XK_KP_Subtract: key = K_KP_MINUS; break;
case XK_KP_Divide: key = K_KP_SLASH; break;
case XK_asciicircum: *ascii = key = '^'; break; // for some reason, XLookupString returns "" on this one for Grunt|2
case XK_section: *ascii = key = '~'; break;
default:
if (keysym < 32)
break;
if (keysym >= 'A' && keysym <= 'Z')
key = keysym - 'A' + 'a';
else
key = keysym;
break;
}
return key;
}
static Cursor CreateNullCursor(Display *display, Window root)
{
Pixmap cursormask;
XGCValues xgc;
GC gc;
XColor dummycolour;
Cursor cursor;
cursormask = XCreatePixmap(display, root, 1, 1, 1);
xgc.function = GXclear;
gc = XCreateGC(display, cursormask, GCFunction, &xgc);
XFillRectangle(display, cursormask, gc, 0, 0, 1, 1);
dummycolour.pixel = 0;
dummycolour.red = 0;
dummycolour.flags = 04;
cursor = XCreatePixmapCursor(display, cursormask, cursormask, &dummycolour,&dummycolour, 0,0);
XFreePixmap(display,cursormask);
XFreeGC(display,gc);
return cursor;
}
void VID_SetMouse(qboolean fullscreengrab, qboolean relative, qboolean hidecursor)
{
static int originalmouseparms_num;
static int originalmouseparms_denom;
static int originalmouseparms_threshold;
static qboolean restore_spi;
#ifdef USEDGA
qboolean usedgamouse;
#endif
if (!vidx11_display || !win)
return;
if (relative)
fullscreengrab = true;
if (!mouse_avail)
fullscreengrab = relative = hidecursor = false;
#ifdef USEDGA
usedgamouse = relative && vid_dgamouse.integer;
if (!vid_x11_dgasupported)
usedgamouse = false;
if (fullscreengrab && vid_usingmouse && (vid_usingdgamouse != usedgamouse))
VID_SetMouse(false, false, false); // ungrab first!
#endif
if (vid_usingmousegrab != fullscreengrab)
{
vid_usingmousegrab = fullscreengrab;
cl_ignoremousemoves = 2;
if (fullscreengrab)
{
XGrabPointer(vidx11_display, win, True, 0, GrabModeAsync, GrabModeAsync, win, None, CurrentTime);
if (vid_grabkeyboard.integer || vid_isoverrideredirect)
XGrabKeyboard(vidx11_display, win, False, GrabModeAsync, GrabModeAsync, CurrentTime);
}
else
{
XUngrabPointer(vidx11_display, CurrentTime);
XUngrabKeyboard(vidx11_display, CurrentTime);
}
}
if (relative)
{
if (!vid_usingmouse)
{
XWindowAttributes attribs_1;
XSetWindowAttributes attribs_2;
XGetWindowAttributes(vidx11_display, win, &attribs_1);
attribs_2.event_mask = attribs_1.your_event_mask | KEY_MASK | MOUSE_MASK;
XChangeWindowAttributes(vidx11_display, win, CWEventMask, &attribs_2);
#ifdef USEDGA
vid_usingdgamouse = usedgamouse;
if (usedgamouse)
{
XF86DGADirectVideo(vidx11_display, DefaultScreen(vidx11_display), XF86DGADirectMouse);
XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, 0, 0);
}
else
#endif
XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, vid.width / 2, vid.height / 2);
// COMMANDLINEOPTION: X11 Input: -noforcemparms disables setting of mouse parameters (not used with DGA, windows only)
#ifdef USEDGA
if (!COM_CheckParm ("-noforcemparms") && !usedgamouse)
#else
if (!COM_CheckParm ("-noforcemparms"))
#endif
{
XGetPointerControl(vidx11_display, &originalmouseparms_num, &originalmouseparms_denom, &originalmouseparms_threshold);
XChangePointerControl (vidx11_display, true, false, 1, 1, -1); // TODO maybe change threshold here, or remove this comment
restore_spi = true;
}
else
restore_spi = false;
cl_ignoremousemoves = 2;
vid_usingmouse = true;
}
}
else
{
if (vid_usingmouse)
{
#ifdef USEDGA
if (vid_usingdgamouse)
XF86DGADirectVideo(vidx11_display, DefaultScreen(vidx11_display), 0);
vid_usingdgamouse = false;
#endif
cl_ignoremousemoves = 2;
if (restore_spi)
XChangePointerControl (vidx11_display, true, true, originalmouseparms_num, originalmouseparms_denom, originalmouseparms_threshold);
restore_spi = false;
vid_usingmouse = false;
}
}
if (vid_usinghidecursor != hidecursor)
{
vid_usinghidecursor = hidecursor;
if (hidecursor)
XDefineCursor(vidx11_display, win, CreateNullCursor(vidx11_display, win));
else
XUndefineCursor(vidx11_display, win);
}
}
static keynum_t buttonremap[18] =
{
K_MOUSE1,
K_MOUSE3,
K_MOUSE2,
K_MWHEELUP,
K_MWHEELDOWN,
K_MOUSE4,
K_MOUSE5,
K_MOUSE6,
K_MOUSE7,
K_MOUSE8,
K_MOUSE9,
K_MOUSE10,
K_MOUSE11,
K_MOUSE12,
K_MOUSE13,
K_MOUSE14,
K_MOUSE15,
K_MOUSE16,
};
static qboolean BuildXImages(int w, int h)
{
int i;
if(DefaultDepth(vidx11_display, vidx11_screen) != 32 && DefaultDepth(vidx11_display, vidx11_screen) != 24)
{
Con_Printf("Sorry, we only support 24bpp and 32bpp modes\n");
VID_Shutdown();
return false;
}
// match to dpsoftrast's specs
if(vidx11_visual->red_mask != 0x00FF0000)
{
Con_Printf("Sorry, we only support BGR visuals\n");
VID_Shutdown();
return false;
}
if(vidx11_visual->green_mask != 0x0000FF00)
{
Con_Printf("Sorry, we only support BGR visuals\n");
VID_Shutdown();
return false;
}
if(vidx11_visual->blue_mask != 0x000000FF)
{
Con_Printf("Sorry, we only support BGR visuals\n");
VID_Shutdown();
return false;
}
if(vidx11_shmevent >= 0)
{
for(i = 0; i < 2; ++i)
{
vidx11_shminfo[i].shmid = -1;
vidx11_ximage[i] = XShmCreateImage(vidx11_display, vidx11_visual, DefaultDepth(vidx11_display, vidx11_screen), ZPixmap, NULL, &vidx11_shminfo[i], w, h);
if(!vidx11_ximage[i])
{
Con_Printf("Failed to get an XImage segment\n");
VID_Shutdown();
return false;
}
if(vidx11_ximage[i]->bytes_per_line != w * 4)
{
Con_Printf("Sorry, we only support linear pixel layout\n");
VID_Shutdown();
return false;
}
vidx11_shminfo[i].shmid = shmget(IPC_PRIVATE, vidx11_ximage[i]->bytes_per_line * vidx11_ximage[i]->height, IPC_CREAT|0777);
if(vidx11_shminfo[i].shmid < 0)
{
Con_Printf("Failed to get a shm segment\n");
VID_Shutdown();
return false;
}
vidx11_shminfo[i].shmaddr = vidx11_ximage[i]->data = shmat(vidx11_shminfo[i].shmid, NULL, 0);
if(!vidx11_shminfo[i].shmaddr)
{
Con_Printf("Failed to get a shm segment addresst\n");
VID_Shutdown();
return false;
}
vidx11_shminfo[i].readOnly = True;
XShmAttach(vidx11_display, &vidx11_shminfo[i]);
}
}
else
{
for(i = 0; i < 1; ++i) // we only need one buffer if we don't use Xshm
{
char *p = calloc(4, w * h);
vidx11_shminfo[i].shmid = -1;
vidx11_ximage[i] = XCreateImage(vidx11_display, vidx11_visual, DefaultDepth(vidx11_display, vidx11_screen), ZPixmap, 0, (char*)p, w, h, 8, 0);
if(!vidx11_ximage[i])
{
Con_Printf("Failed to get an XImage segment\n");
VID_Shutdown();
return false;
}
if(vidx11_ximage[i]->bytes_per_line != w * 4)
{
Con_Printf("Sorry, we only support linear pixel layout\n");
VID_Shutdown();
return false;
}
}
}
return true;
}
static void DestroyXImages(void)
{
int i;
for(i = 0; i < 2; ++i)
{
if(vidx11_shminfo[i].shmid >= 0)
{
XShmDetach(vidx11_display, &vidx11_shminfo[i]);
XDestroyImage(vidx11_ximage[i]);
vidx11_ximage[i] = NULL;
shmdt(vidx11_shminfo[i].shmaddr);
shmctl(vidx11_shminfo[i].shmid, IPC_RMID, 0);
vidx11_shminfo[i].shmid = -1;
}
if(vidx11_ximage[i])
XDestroyImage(vidx11_ximage[i]);
vidx11_ximage[i] = 0;
}
}
static int in_mouse_x_save = 0, in_mouse_y_save = 0;
static void HandleEvents(void)
{
XEvent event;
int key;
Uchar unicode;
qboolean dowarp = false;
if (!vidx11_display)
return;
in_mouse_x += in_mouse_x_save;
in_mouse_y += in_mouse_y_save;
in_mouse_x_save = 0;
in_mouse_y_save = 0;
while (XPending(vidx11_display))
{
XNextEvent(vidx11_display, &event);
switch (event.type)
{
case KeyPress:
// key pressed
key = XLateKey (&event.xkey, &unicode);
Key_Event(key, unicode, true);
break;
case KeyRelease:
// key released
key = XLateKey (&event.xkey, &unicode);
Key_Event(key, unicode, false);
break;
case MotionNotify:
// mouse moved
if (vid_usingmouse)
{
#ifdef USEDGA
if (vid_usingdgamouse)
{
in_mouse_x += event.xmotion.x_root;
in_mouse_y += event.xmotion.y_root;
}
else
#endif
{
if (!event.xmotion.send_event)
{
in_mouse_x += event.xmotion.x - in_windowmouse_x;
in_mouse_y += event.xmotion.y - in_windowmouse_y;
//if (abs(vid.width/2 - event.xmotion.x) + abs(vid.height/2 - event.xmotion.y))
if (vid_stick_mouse.integer || abs(vid.width/2 - event.xmotion.x) > vid.width / 4 || abs(vid.height/2 - event.xmotion.y) > vid.height / 4)
dowarp = true;
}
}
}
in_windowmouse_x = event.xmotion.x;
in_windowmouse_y = event.xmotion.y;
break;
case ButtonPress:
// mouse button pressed
if (event.xbutton.button <= 18)
Key_Event(buttonremap[event.xbutton.button - 1], 0, true);
else
Con_Printf("HandleEvents: ButtonPress gave value %d, 1-18 expected\n", event.xbutton.button);
break;
case ButtonRelease:
// mouse button released
if (event.xbutton.button <= 18)
Key_Event(buttonremap[event.xbutton.button - 1], 0, false);
else
Con_Printf("HandleEvents: ButtonRelease gave value %d, 1-18 expected\n", event.xbutton.button);
break;
case CreateNotify:
// window created
win_x = event.xcreatewindow.x;
win_y = event.xcreatewindow.y;
break;
case ConfigureNotify:
// window changed size/location
win_x = event.xconfigure.x;
win_y = event.xconfigure.y;
// HACK on X11, we just request fullscreen mode, but
// cannot guess what the window manager will do for us
// exactly. That is why we read back the resolution we
// actually got here.
if(vid_isdesktopfullscreen)
{
desktop_mode.width = event.xconfigure.width;
desktop_mode.height = event.xconfigure.height;
}
if((vid_resizable.integer < 2 || vid_isdesktopfullscreen) && (vid.width != event.xconfigure.width || vid.height != event.xconfigure.height))
{
vid.width = event.xconfigure.width;
vid.height = event.xconfigure.height;
if(vid_isdesktopfullscreen)
Con_Printf("NetWM fullscreen: actually using resolution %dx%d\n", vid.width, vid.height);
else
Con_DPrintf("Updating to ConfigureNotify resolution %dx%d\n", vid.width, vid.height);
if(vid.renderpath == RENDERPATH_SOFT)
{
DPSOFTRAST_Flush();
if(vid.softdepthpixels)
free(vid.softdepthpixels);
DestroyXImages();
XSync(vidx11_display, False);
if(!BuildXImages(vid.width, vid.height))
return;
XSync(vidx11_display, False);
vid.softpixels = (unsigned int *) vidx11_ximage[vidx11_ximage_pos]->data;
vid.softdepthpixels = (unsigned int *)calloc(4, vid.width * vid.height);
}
}
break;
case DestroyNotify:
// window has been destroyed
Sys_Quit(0);
break;
case ClientMessage:
// window manager messages
if ((event.xclient.format == 32) && ((unsigned int)event.xclient.data.l[0] == wm_delete_window_atom))
Sys_Quit(0);
break;
case MapNotify:
if (vid_isoverrideredirect)
break;
// window restored
vid_hidden = false;
VID_RestoreSystemGamma();
if(vid_isvidmodefullscreen)
{
// set our video mode
XF86VidModeSwitchToMode(vidx11_display, vidx11_screen, &game_vidmode);
// Move the viewport to top left
XF86VidModeSetViewPort(vidx11_display, vidx11_screen, 0, 0);
}
if(vid_isdesktopfullscreen)
{
// make sure it's fullscreen
XEvent event;
event.type = ClientMessage;
event.xclient.serial = 0;
event.xclient.send_event = True;
event.xclient.message_type = net_wm_state_atom;
event.xclient.window = win;
event.xclient.format = 32;
event.xclient.data.l[0] = 1;
event.xclient.data.l[1] = net_wm_state_fullscreen_atom;
event.xclient.data.l[2] = 0;
event.xclient.data.l[3] = 1;
event.xclient.data.l[4] = 0;
XSendEvent(vidx11_display, root, False, SubstructureRedirectMask | SubstructureNotifyMask, &event);
}
dowarp = true;
break;
case UnmapNotify:
if (vid_isoverrideredirect)
break;
// window iconified/rolledup/whatever
vid_hidden = true;
VID_RestoreSystemGamma();
if(vid_isvidmodefullscreen)
XF86VidModeSwitchToMode(vidx11_display, vidx11_screen, &init_vidmode);
break;
case FocusIn:
if (vid_isoverrideredirect)
break;
// window is now the input focus
vid_activewindow = true;
break;
case FocusOut:
if (vid_isoverrideredirect)
break;
if(vid_isdesktopfullscreen && event.xfocus.mode == NotifyNormal)
{
// iconify netwm fullscreen window when it loses focus
// when the user selects it in the taskbar, the window manager will map it again and send MapNotify
XEvent event;
event.type = ClientMessage;
event.xclient.serial = 0;
event.xclient.send_event = True;
event.xclient.message_type = net_wm_state_atom;
event.xclient.window = win;
event.xclient.format = 32;
event.xclient.data.l[0] = 1;
event.xclient.data.l[1] = net_wm_state_hidden_atom;
event.xclient.data.l[2] = 0;
event.xclient.data.l[3] = 1;
event.xclient.data.l[4] = 0;
XSendEvent(vidx11_display, root, False, SubstructureRedirectMask | SubstructureNotifyMask, &event);
}
// window is no longer the input focus
vid_activewindow = false;
VID_RestoreSystemGamma();
break;
case EnterNotify:
// mouse entered window
break;
case LeaveNotify:
// mouse left window
break;
default:
if(vidx11_shmevent >= 0 && event.type == vidx11_shmevent)
--vidx11_shmwait;
break;
}
}
if (dowarp)
{
/* move the mouse to the window center again */
// we'll catch the warp motion by its send_event flag, updating the
// stored mouse position without adding any delta motion
XEvent event;
event.type = MotionNotify;
event.xmotion.display = vidx11_display;
event.xmotion.window = win;
event.xmotion.x = vid.width / 2;
event.xmotion.y = vid.height / 2;
XSendEvent(vidx11_display, win, False, PointerMotionMask, &event);
XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, vid.width / 2, vid.height / 2);
}
}
static void *prjobj = NULL;
static void GL_CloseLibrary(void)
{
if (prjobj)
dlclose(prjobj);
prjobj = NULL;
gl_driver[0] = 0;
qglXGetProcAddressARB = NULL;
gl_extensions = "";
gl_platform = "";
gl_platformextensions = "";
}
static int GL_OpenLibrary(const char *name)
{
Con_Printf("Loading OpenGL driver %s\n", name);
GL_CloseLibrary();
if (!(prjobj = dlopen(name, RTLD_LAZY | RTLD_GLOBAL)))
{
Con_Printf("Unable to open symbol list for %s\n", name);
return false;
}
strlcpy(gl_driver, name, sizeof(gl_driver));
return true;
}
void *GL_GetProcAddress(const char *name)
{
void *p = NULL;
if (qglXGetProcAddressARB != NULL)
p = (void *) qglXGetProcAddressARB((GLubyte *)name);
if (p == NULL)
p = (void *) dlsym(prjobj, name);
return p;
}
void VID_Shutdown(void)
{
if (!vidx11_display)
return;
VID_EnableJoystick(false);
VID_SetMouse(false, false, false);
VID_RestoreSystemGamma();
// FIXME: glXDestroyContext here?
if (vid_isvidmodefullscreen)
XF86VidModeSwitchToMode(vidx11_display, vidx11_screen, &init_vidmode);
if(vidx11_gc)
XFreeGC(vidx11_display, vidx11_gc);
vidx11_gc = NULL;
DestroyXImages();
vidx11_shmevent = -1;
vid.softpixels = NULL;
if (vid.softdepthpixels)
free(vid.softdepthpixels);
vid.softdepthpixels = NULL;
if (win)
XDestroyWindow(vidx11_display, win);
XCloseDisplay(vidx11_display);
vid_hidden = true;
vid_isfullscreen = false;
vid_isdesktopfullscreen = false;
vid_isvidmodefullscreen = false;
vid_isoverrideredirect = false;
vidx11_display = NULL;
win = 0;
ctx = NULL;
GL_CloseLibrary();
Key_ClearStates ();
}
static void signal_handler(int sig)
{
Con_Printf("Received signal %d, exiting...\n", sig);
VID_RestoreSystemGamma();
Sys_Quit(1);
}
static void InitSig(void)
{
signal(SIGHUP, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGQUIT, signal_handler);
signal(SIGILL, signal_handler);
signal(SIGTRAP, signal_handler);
signal(SIGIOT, signal_handler);
signal(SIGBUS, signal_handler);
signal(SIGFPE, signal_handler);
signal(SIGSEGV, signal_handler);
signal(SIGTERM, signal_handler);
}
void VID_Finish (void)
{
vid_usevsync = vid_vsync.integer && !cls.timedemo && qglXSwapIntervalSGI;
switch(vid.renderpath)
{
case RENDERPATH_SOFT:
if(vidx11_shmevent >= 0) {
vidx11_ximage_pos = !vidx11_ximage_pos;
vid.softpixels = (unsigned int *) vidx11_ximage[vidx11_ximage_pos]->data;
DPSOFTRAST_SetRenderTargets(vid.width, vid.height, vid.softdepthpixels, vid.softpixels, NULL, NULL, NULL);
++vidx11_shmwait;
XShmPutImage(vidx11_display, win, vidx11_gc, vidx11_ximage[!vidx11_ximage_pos], 0, 0, 0, 0, vid.width, vid.height, True);
// save mouse motion so we can deal with it later
in_mouse_x = 0;
in_mouse_y = 0;
while(vidx11_shmwait > 1)
HandleEvents();
in_mouse_x_save += in_mouse_x;
in_mouse_y_save += in_mouse_y;
in_mouse_x = 0;
in_mouse_y = 0;
} else {
// no buffer switching here, we just flush the renderer
DPSOFTRAST_Finish();
XPutImage(vidx11_display, win, vidx11_gc, vidx11_ximage[vidx11_ximage_pos], 0, 0, 0, 0, vid.width, vid.height);
}
break;
case RENDERPATH_GL11:
case RENDERPATH_GL13:
case RENDERPATH_GL20:
case RENDERPATH_GLES1:
case RENDERPATH_GLES2:
if (vid_usingvsync != vid_usevsync)
{
vid_usingvsync = vid_usevsync;
if (qglXSwapIntervalSGI && qglXSwapIntervalSGI (vid_usevsync))
Con_Print("glXSwapIntervalSGI didn't accept the vid_vsync change, it will take effect on next vid_restart (GLX_SGI_swap_control does not allow turning off vsync)\n");
}
if (!vid_hidden)
{
CHECKGLERROR
if (r_speeds.integer == 2 || gl_finish.integer)
GL_Finish();
qglXSwapBuffers(vidx11_display, win);CHECKGLERROR
}
break;
case RENDERPATH_D3D9:
case RENDERPATH_D3D10:
case RENDERPATH_D3D11:
break;
}
if (vid_x11_hardwaregammasupported)
VID_UpdateGamma(false, vid_x11_gammarampsize);
}
int VID_SetGamma(unsigned short *ramps, int rampsize)
{
return XF86VidModeSetGammaRamp(vidx11_display, vidx11_screen, rampsize, ramps, ramps + rampsize, ramps + rampsize*2);
}
int VID_GetGamma(unsigned short *ramps, int rampsize)
{
return XF86VidModeGetGammaRamp(vidx11_display, vidx11_screen, rampsize, ramps, ramps + rampsize, ramps + rampsize*2);
}
void VID_Init(void)
{
#ifdef USEDGA
Cvar_RegisterVariable (&vid_dgamouse);
#endif
Cvar_RegisterVariable (&vid_desktopfullscreen);
InitSig(); // trap evil signals
// COMMANDLINEOPTION: Input: -nomouse disables mouse support (see also vid_mouse cvar)
if (COM_CheckParm ("-nomouse"))
mouse_avail = false;
vidx11_shminfo[0].shmid = -1;
vidx11_shminfo[1].shmid = -1;
}
static void VID_BuildGLXAttrib(int *attrib, qboolean stencil, qboolean stereobuffer, int samples)
{
*attrib++ = GLX_RGBA;
*attrib++ = GLX_RED_SIZE;*attrib++ = stencil ? 8 : 5;
*attrib++ = GLX_GREEN_SIZE;*attrib++ = stencil ? 8 : 5;
*attrib++ = GLX_BLUE_SIZE;*attrib++ = stencil ? 8 : 5;
*attrib++ = GLX_DOUBLEBUFFER;
*attrib++ = GLX_DEPTH_SIZE;*attrib++ = stencil ? 24 : 16;
// if stencil is enabled, ask for alpha too
if (stencil)
{
*attrib++ = GLX_STENCIL_SIZE;*attrib++ = 8;
*attrib++ = GLX_ALPHA_SIZE;*attrib++ = 8;
}
if (stereobuffer)
*attrib++ = GLX_STEREO;
if (samples > 1)
{
*attrib++ = GLX_SAMPLE_BUFFERS_ARB;
*attrib++ = 1;
*attrib++ = GLX_SAMPLES_ARB;
*attrib++ = samples;
}
*attrib++ = None;
}
static qboolean VID_InitModeSoft(viddef_mode_t *mode)
{
int i, j;
XSetWindowAttributes attr;
XClassHint *clshints;
XWMHints *wmhints;
XSizeHints *szhints;
unsigned long mask;
int MajorVersion, MinorVersion;
char *xpm;
char **idata;
unsigned char *data;
XGCValues gcval;
const char *dpyname;
char vabuf[1024];
vid_isfullscreen = false;
vid_isdesktopfullscreen = false;
vid_isvidmodefullscreen = false;
vid_isoverrideredirect = false;
if (!(vidx11_display = XOpenDisplay(NULL)))
{
Con_Print("Couldn't open the X display\n");
return false;
}
dpyname = XDisplayName(NULL);
// LordHavoc: making the close button on a window do the right thing
// seems to involve this mess, sigh...
wm_delete_window_atom = XInternAtom(vidx11_display, "WM_DELETE_WINDOW", false);
net_wm_state_atom = XInternAtom(vidx11_display, "_NET_WM_STATE", false);
net_wm_state_fullscreen_atom = XInternAtom(vidx11_display, "_NET_WM_STATE_FULLSCREEN", false);
net_wm_state_hidden_atom = XInternAtom(vidx11_display, "_NET_WM_STATE_HIDDEN", false);
net_wm_icon = XInternAtom(vidx11_display, "_NET_WM_ICON", false);
cardinal = XInternAtom(vidx11_display, "CARDINAL", false);
// make autorepeat send keypress/keypress/.../keyrelease instead of intervening keyrelease
XkbSetDetectableAutoRepeat(vidx11_display, true, NULL);
vidx11_screen = DefaultScreen(vidx11_display);
root = RootWindow(vidx11_display, vidx11_screen);
desktop_mode.width = DisplayWidth(vidx11_display, vidx11_screen);
desktop_mode.height = DisplayHeight(vidx11_display, vidx11_screen);
desktop_mode.bpp = DefaultDepth(vidx11_display, vidx11_screen);
desktop_mode.refreshrate = 60; // FIXME
desktop_mode.pixelheight_num = 1; // FIXME
desktop_mode.pixelheight_denom = 1; // FIXME
// Get video mode list
MajorVersion = MinorVersion = 0;
if (!XF86VidModeQueryVersion(vidx11_display, &MajorVersion, &MinorVersion))
vidmode_ext = false;
else
{
Con_DPrintf("Using XFree86-VidModeExtension Version %d.%d\n", MajorVersion, MinorVersion);
vidmode_ext = true;
}
if (mode->fullscreen)
{
if(vid_desktopfullscreen.integer)
{
// TODO detect WM support
vid_isdesktopfullscreen = true;
vid_isfullscreen = true;
// width and height will be filled in later
Con_DPrintf("Using NetWM fullscreen mode\n");
}
if(!vid_isfullscreen && vidmode_ext)
{
int best_fit, best_dist, dist, x, y;
// Are we going fullscreen? If so, let's change video mode
XF86VidModeModeLine *current_vidmode;
XF86VidModeModeInfo **vidmodes;
int num_vidmodes;
// This nice hack comes from the SDL source code
current_vidmode = (XF86VidModeModeLine*)((char*)&init_vidmode + sizeof(init_vidmode.dotclock));
XF86VidModeGetModeLine(vidx11_display, vidx11_screen, (int*)&init_vidmode.dotclock, current_vidmode);
XF86VidModeGetAllModeLines(vidx11_display, vidx11_screen, &num_vidmodes, &vidmodes);
best_dist = 0;
best_fit = -1;
for (i = 0; i < num_vidmodes; i++)
{
if (mode->width > vidmodes[i]->hdisplay || mode->height > vidmodes[i]->vdisplay)
continue;
x = mode->width - vidmodes[i]->hdisplay;
y = mode->height - vidmodes[i]->vdisplay;
dist = (x * x) + (y * y);
if (best_fit == -1 || dist < best_dist)
{
best_dist = dist;
best_fit = i;
}
}
if (best_fit != -1)
{
// LordHavoc: changed from ActualWidth/ActualHeight =,
// to width/height =, so the window will take the full area of
// the mode chosen
mode->width = vidmodes[best_fit]->hdisplay;
mode->height = vidmodes[best_fit]->vdisplay;
// change to the mode
XF86VidModeSwitchToMode(vidx11_display, vidx11_screen, vidmodes[best_fit]);
memcpy(&game_vidmode, vidmodes[best_fit], sizeof(game_vidmode));
vid_isvidmodefullscreen = true;
vid_isfullscreen = true;
// Move the viewport to top left
XF86VidModeSetViewPort(vidx11_display, vidx11_screen, 0, 0);
Con_DPrintf("Using XVidMode fullscreen mode at %dx%d\n", mode->width, mode->height);
}
free(vidmodes);
}
if(!vid_isfullscreen)
{
// sorry, no FS available
// use the full desktop resolution
vid_isfullscreen = true;
// width and height will be filled in later
mode->width = DisplayWidth(vidx11_display, vidx11_screen);
mode->height = DisplayHeight(vidx11_display, vidx11_screen);
Con_DPrintf("Using X11 fullscreen mode at %dx%d\n", mode->width, mode->height);
}
}
// LordHavoc: save the visual for use in gamma ramp settings later
vidx11_visual = DefaultVisual(vidx11_display, vidx11_screen);
/* window attributes */
attr.background_pixel = 0;
attr.border_pixel = 0;
// LordHavoc: save the colormap for later, too
vidx11_colormap = attr.colormap = XCreateColormap(vidx11_display, root, vidx11_visual, AllocNone);
attr.event_mask = X_MASK;
if (mode->fullscreen)
{
if(vid_isdesktopfullscreen)
{
mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore | CWEventMask;
attr.backing_store = NotUseful;
attr.save_under = False;
}
else
{
mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore | CWEventMask | CWOverrideRedirect;
attr.override_redirect = True;
attr.backing_store = NotUseful;
attr.save_under = False;
vid_isoverrideredirect = true; // so it knows to grab
}
}
else
{
mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
}
win = XCreateWindow(vidx11_display, root, 0, 0, mode->width, mode->height, 0, CopyFromParent, InputOutput, vidx11_visual, mask, &attr);
data = loadimagepixelsbgra("darkplaces-icon", false, false, false, NULL);
if(data)
{
// use _NET_WM_ICON too
static long netwm_icon[MAX_NETWM_ICON];
int pos = 0;
int i = 1;
while(data)
{
if(pos + 2 * image_width * image_height < MAX_NETWM_ICON)
{
netwm_icon[pos++] = image_width;
netwm_icon[pos++] = image_height;
for(i = 0; i < image_height; ++i)
for(j = 0; j < image_width; ++j)
netwm_icon[pos++] = BuffLittleLong(&data[(i*image_width+j)*4]);
}
else
{
Con_Printf("Skipping NETWM icon #%d because there is no space left\n", i);
}
++i;
Mem_Free(data);
data = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "darkplaces-icon%d", i), false, false, false, NULL);
}
XChangeProperty(vidx11_display, win, net_wm_icon, cardinal, 32, PropModeReplace, (const unsigned char *) netwm_icon, pos);
}
// fallthrough for old window managers
xpm = (char *) FS_LoadFile("darkplaces-icon.xpm", tempmempool, false, NULL);
idata = NULL;
if(xpm)
idata = XPM_DecodeString(xpm);
if(!idata)
idata = ENGINE_ICON;
wmhints = XAllocWMHints();
if(XpmCreatePixmapFromData(vidx11_display, win,
idata,
&wmhints->icon_pixmap, &wmhints->icon_mask, NULL) == XpmSuccess)
wmhints->flags |= IconPixmapHint | IconMaskHint;
if(xpm)
Mem_Free(xpm);
clshints = XAllocClassHint();
clshints->res_name = strdup(gamename);
clshints->res_class = strdup("DarkPlaces");
szhints = XAllocSizeHints();
if(vid_resizable.integer == 0 && !vid_isdesktopfullscreen)
{
szhints->min_width = szhints->max_width = mode->width;
szhints->min_height = szhints->max_height = mode->height;
szhints->flags |= PMinSize | PMaxSize;
}
XmbSetWMProperties(vidx11_display, win, gamename, gamename, (char **) com_argv, com_argc, szhints, wmhints, clshints);
// strdup() allocates using malloc(), should be freed with free()
free(clshints->res_name);
free(clshints->res_class);
XFree(clshints);
XFree(wmhints);
XFree(szhints);
//XStoreName(vidx11_display, win, gamename);
XMapWindow(vidx11_display, win);
XSetWMProtocols(vidx11_display, win, &wm_delete_window_atom, 1);
if (vid_isoverrideredirect)
{
XMoveWindow(vidx11_display, win, 0, 0);
XRaiseWindow(vidx11_display, win);
XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, 0, 0);
XFlush(vidx11_display);
}
if(vid_isvidmodefullscreen)
{
// Move the viewport to top left
XF86VidModeSetViewPort(vidx11_display, vidx11_screen, 0, 0);
}
//XSync(vidx11_display, False);
// COMMANDLINEOPTION: Unix GLX: -noshm disables XShm extensioon
if(dpyname && dpyname[0] == ':' && dpyname[1] && (dpyname[2] < '0' || dpyname[2] > '9') && !COM_CheckParm("-noshm") && XShmQueryExtension(vidx11_display))
{
Con_Printf("Using XShm\n");
vidx11_shmevent = XShmGetEventBase(vidx11_display) + ShmCompletion;
}
else
{
Con_Printf("Not using XShm\n");
vidx11_shmevent = -1;
}
BuildXImages(mode->width, mode->height);
vidx11_ximage_pos = 0;
vid.softpixels = (unsigned int *) vidx11_ximage[vidx11_ximage_pos]->data;
vidx11_shmwait = 0;
vid.softdepthpixels = (unsigned int *)calloc(1, mode->width * mode->height * 4);
memset(&gcval, 0, sizeof(gcval));
vidx11_gc = XCreateGC(vidx11_display, win, 0, &gcval);
if (DPSOFTRAST_Init(mode->width, mode->height, vid_soft_threads.integer, vid_soft_interlace.integer, (unsigned int *)vid.softpixels, (unsigned int *)vid.softdepthpixels) < 0)
{
Con_Printf("Failed to initialize software rasterizer\n");
VID_Shutdown();
return false;
}
XSync(vidx11_display, False);
vid_usingmousegrab = false;
vid_usingmouse = false;
vid_usinghidecursor = false;
vid_usingvsync = false;
vid_hidden = false;
vid_activewindow = true;
vid_x11_hardwaregammasupported = XF86VidModeGetGammaRampSize(vidx11_display, vidx11_screen, &vid_x11_gammarampsize) != 0;
#ifdef USEDGA
vid_x11_dgasupported = XF86DGAQueryVersion(vidx11_display, &MajorVersion, &MinorVersion);
if (!vid_x11_dgasupported)
Con_Print( "Failed to detect XF86DGA Mouse extension\n" );
#endif
VID_Soft_SharedSetup();
return true;
}
static qboolean VID_InitModeGL(viddef_mode_t *mode)
{
int i, j;
int attrib[32];
XSetWindowAttributes attr;
XClassHint *clshints;
XWMHints *wmhints;
XSizeHints *szhints;
unsigned long mask;
XVisualInfo *visinfo;
int MajorVersion, MinorVersion;
const char *drivername;
char *xpm;
char **idata;
unsigned char *data;
char vabuf[1024];
vid_isfullscreen = false;
vid_isdesktopfullscreen = false;
vid_isvidmodefullscreen = false;
vid_isoverrideredirect = false;
#if defined(__APPLE__) && defined(__MACH__)
drivername = "/usr/X11R6/lib/libGL.1.dylib";
#else
drivername = "libGL.so.1";
#endif
// COMMANDLINEOPTION: Linux GLX: -gl_driver <drivername> selects a GL driver library, default is libGL.so.1, useful only for using fxmesa or similar, if you don't know what this is for, you don't need it
// COMMANDLINEOPTION: BSD GLX: -gl_driver <drivername> selects a GL driver library, default is libGL.so.1, useful only for using fxmesa or similar, if you don't know what this is for, you don't need it
// LordHavoc: although this works on MacOSX, it's useless there (as there is only one system libGL)
i = COM_CheckParm("-gl_driver");
if (i && i < com_argc - 1)
drivername = com_argv[i + 1];
if (!GL_OpenLibrary(drivername))
{
Con_Printf("Unable to load GL driver \"%s\"\n", drivername);
return false;
}
if (!(vidx11_display = XOpenDisplay(NULL)))
{
Con_Print("Couldn't open the X display\n");
return false;
}
// LordHavoc: making the close button on a window do the right thing
// seems to involve this mess, sigh...
wm_delete_window_atom = XInternAtom(vidx11_display, "WM_DELETE_WINDOW", false);
net_wm_state_atom = XInternAtom(vidx11_display, "_NET_WM_STATE", false);
net_wm_state_fullscreen_atom = XInternAtom(vidx11_display, "_NET_WM_STATE_FULLSCREEN", false);
net_wm_state_hidden_atom = XInternAtom(vidx11_display, "_NET_WM_STATE_HIDDEN", false);
net_wm_icon = XInternAtom(vidx11_display, "_NET_WM_ICON", false);
cardinal = XInternAtom(vidx11_display, "CARDINAL", false);
// make autorepeat send keypress/keypress/.../keyrelease instead of intervening keyrelease
XkbSetDetectableAutoRepeat(vidx11_display, true, NULL);
vidx11_screen = DefaultScreen(vidx11_display);
root = RootWindow(vidx11_display, vidx11_screen);
desktop_mode.width = DisplayWidth(vidx11_display, vidx11_screen);
desktop_mode.height = DisplayHeight(vidx11_display, vidx11_screen);
desktop_mode.bpp = DefaultDepth(vidx11_display, vidx11_screen);
desktop_mode.refreshrate = 60; // FIXME
desktop_mode.pixelheight_num = 1; // FIXME
desktop_mode.pixelheight_denom = 1; // FIXME
// Get video mode list
MajorVersion = MinorVersion = 0;
if (!XF86VidModeQueryVersion(vidx11_display, &MajorVersion, &MinorVersion))
vidmode_ext = false;
else
{
Con_DPrintf("Using XFree86-VidModeExtension Version %d.%d\n", MajorVersion, MinorVersion);
vidmode_ext = true;
}
if ((qglXChooseVisual = (XVisualInfo *(GLAPIENTRY *)(Display *dpy, int screen, int *attribList))GL_GetProcAddress("glXChooseVisual")) == NULL
|| (qglXCreateContext = (GLXContext (GLAPIENTRY *)(Display *dpy, XVisualInfo *vis, GLXContext shareList, Bool direct))GL_GetProcAddress("glXCreateContext")) == NULL
|| (qglXDestroyContext = (void (GLAPIENTRY *)(Display *dpy, GLXContext ctx))GL_GetProcAddress("glXDestroyContext")) == NULL
|| (qglXMakeCurrent = (Bool (GLAPIENTRY *)(Display *dpy, GLXDrawable drawable, GLXContext ctx))GL_GetProcAddress("glXMakeCurrent")) == NULL
|| (qglXSwapBuffers = (void (GLAPIENTRY *)(Display *dpy, GLXDrawable drawable))GL_GetProcAddress("glXSwapBuffers")) == NULL
|| (qglXQueryExtensionsString = (const char *(GLAPIENTRY *)(Display *dpy, int screen))GL_GetProcAddress("glXQueryExtensionsString")) == NULL)
{
Con_Printf("glX functions not found in %s\n", gl_driver);
return false;
}
VID_BuildGLXAttrib(attrib, mode->bitsperpixel == 32, mode->stereobuffer, mode->samples);
visinfo = qglXChooseVisual(vidx11_display, vidx11_screen, attrib);
if (!visinfo)
{
Con_Print("Couldn't get an RGB, Double-buffered, Depth visual\n");
return false;
}
if (mode->fullscreen)
{
if(vid_desktopfullscreen.integer)
{
// TODO detect WM support
vid_isdesktopfullscreen = true;
vid_isfullscreen = true;
// width and height will be filled in later
Con_DPrintf("Using NetWM fullscreen mode\n");
}
if(!vid_isfullscreen && vidmode_ext)
{
int best_fit, best_dist, dist, x, y;
// Are we going fullscreen? If so, let's change video mode
XF86VidModeModeLine *current_vidmode;
XF86VidModeModeInfo **vidmodes;
int num_vidmodes;
// This nice hack comes from the SDL source code
current_vidmode = (XF86VidModeModeLine*)((char*)&init_vidmode + sizeof(init_vidmode.dotclock));
XF86VidModeGetModeLine(vidx11_display, vidx11_screen, (int*)&init_vidmode.dotclock, current_vidmode);
XF86VidModeGetAllModeLines(vidx11_display, vidx11_screen, &num_vidmodes, &vidmodes);
best_dist = 0;
best_fit = -1;
for (i = 0; i < num_vidmodes; i++)
{
if (mode->width > vidmodes[i]->hdisplay || mode->height > vidmodes[i]->vdisplay)
continue;
x = mode->width - vidmodes[i]->hdisplay;
y = mode->height - vidmodes[i]->vdisplay;
dist = (x * x) + (y * y);
if (best_fit == -1 || dist < best_dist)
{
best_dist = dist;
best_fit = i;
}
}
if (best_fit != -1)
{
// LordHavoc: changed from ActualWidth/ActualHeight =,
// to width/height =, so the window will take the full area of
// the mode chosen
mode->width = vidmodes[best_fit]->hdisplay;
mode->height = vidmodes[best_fit]->vdisplay;
// change to the mode
XF86VidModeSwitchToMode(vidx11_display, vidx11_screen, vidmodes[best_fit]);
memcpy(&game_vidmode, vidmodes[best_fit], sizeof(game_vidmode));
vid_isvidmodefullscreen = true;
vid_isfullscreen = true;
// Move the viewport to top left
XF86VidModeSetViewPort(vidx11_display, vidx11_screen, 0, 0);
Con_DPrintf("Using XVidMode fullscreen mode at %dx%d\n", mode->width, mode->height);
}
free(vidmodes);
}
if(!vid_isfullscreen)
{
// sorry, no FS available
// use the full desktop resolution
vid_isfullscreen = true;
// width and height will be filled in later
mode->width = DisplayWidth(vidx11_display, vidx11_screen);
mode->height = DisplayHeight(vidx11_display, vidx11_screen);
Con_DPrintf("Using X11 fullscreen mode at %dx%d\n", mode->width, mode->height);
}
}
// LordHavoc: save the visual for use in gamma ramp settings later
vidx11_visual = visinfo->visual;
/* window attributes */
attr.background_pixel = 0;
attr.border_pixel = 0;
// LordHavoc: save the colormap for later, too
vidx11_colormap = attr.colormap = XCreateColormap(vidx11_display, root, visinfo->visual, AllocNone);
attr.event_mask = X_MASK;
if (mode->fullscreen)
{
if(vid_isdesktopfullscreen)
{
mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore | CWEventMask;
attr.backing_store = NotUseful;
attr.save_under = False;
}
else
{
mask = CWBackPixel | CWColormap | CWSaveUnder | CWBackingStore | CWEventMask | CWOverrideRedirect;
attr.override_redirect = True;
attr.backing_store = NotUseful;
attr.save_under = False;
vid_isoverrideredirect = true; // so it knows to grab
}
}
else
{
mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
}
win = XCreateWindow(vidx11_display, root, 0, 0, mode->width, mode->height, 0, visinfo->depth, InputOutput, visinfo->visual, mask, &attr);
data = loadimagepixelsbgra("darkplaces-icon", false, false, false, NULL);
if(data)
{
// use _NET_WM_ICON too
static long netwm_icon[MAX_NETWM_ICON];
int pos = 0;
int i = 1;
while(data)
{
if(pos + 2 * image_width * image_height < MAX_NETWM_ICON)
{
netwm_icon[pos++] = image_width;
netwm_icon[pos++] = image_height;
for(i = 0; i < image_height; ++i)
for(j = 0; j < image_width; ++j)
netwm_icon[pos++] = BuffLittleLong(&data[(i*image_width+j)*4]);
}
else
{
Con_Printf("Skipping NETWM icon #%d because there is no space left\n", i);
}
++i;
Mem_Free(data);
data = loadimagepixelsbgra(va(vabuf, sizeof(vabuf), "darkplaces-icon%d", i), false, false, false, NULL);
}
XChangeProperty(vidx11_display, win, net_wm_icon, cardinal, 32, PropModeReplace, (const unsigned char *) netwm_icon, pos);
}
// fallthrough for old window managers
xpm = (char *) FS_LoadFile("darkplaces-icon.xpm", tempmempool, false, NULL);
idata = NULL;
if(xpm)
idata = XPM_DecodeString(xpm);
if(!idata)
idata = ENGINE_ICON;
wmhints = XAllocWMHints();
if(XpmCreatePixmapFromData(vidx11_display, win,
idata,
&wmhints->icon_pixmap, &wmhints->icon_mask, NULL) == XpmSuccess)
wmhints->flags |= IconPixmapHint | IconMaskHint;
if(xpm)
Mem_Free(xpm);
clshints = XAllocClassHint();
clshints->res_name = strdup(gamename);
clshints->res_class = strdup("DarkPlaces");
szhints = XAllocSizeHints();
if(vid_resizable.integer == 0 && !vid_isdesktopfullscreen)
{
szhints->min_width = szhints->max_width = mode->width;
szhints->min_height = szhints->max_height = mode->height;
szhints->flags |= PMinSize | PMaxSize;
}
XmbSetWMProperties(vidx11_display, win, gamename, gamename, (char **) com_argv, com_argc, szhints, wmhints, clshints);
// strdup() allocates using malloc(), should be freed with free()
free(clshints->res_name);
free(clshints->res_class);
XFree(clshints);
XFree(wmhints);
XFree(szhints);
//XStoreName(vidx11_display, win, gamename);
XMapWindow(vidx11_display, win);
XSetWMProtocols(vidx11_display, win, &wm_delete_window_atom, 1);
if (vid_isoverrideredirect)
{
XMoveWindow(vidx11_display, win, 0, 0);
XRaiseWindow(vidx11_display, win);
XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, 0, 0);
XFlush(vidx11_display);
}
if(vid_isvidmodefullscreen)
{
// Move the viewport to top left
XF86VidModeSetViewPort(vidx11_display, vidx11_screen, 0, 0);
}
//XSync(vidx11_display, False);
ctx = qglXCreateContext(vidx11_display, visinfo, NULL, True);
XFree(visinfo); // glXChooseVisual man page says to use XFree to free visinfo
if (!ctx)
{
Con_Printf ("glXCreateContext failed\n");
return false;
}
if (!qglXMakeCurrent(vidx11_display, win, ctx))
{
Con_Printf ("glXMakeCurrent failed\n");
return false;
}
XSync(vidx11_display, False);
if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))GL_GetProcAddress("glGetString")) == NULL)
{
Con_Printf ("glGetString not found in %s\n", gl_driver);
return false;
}
gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
gl_platform = "GLX";
gl_platformextensions = qglXQueryExtensionsString(vidx11_display, vidx11_screen);
// COMMANDLINEOPTION: Linux GLX: -nogetprocaddress disables GLX_ARB_get_proc_address (not required, more formal method of getting extension functions)
// COMMANDLINEOPTION: BSD GLX: -nogetprocaddress disables GLX_ARB_get_proc_address (not required, more formal method of getting extension functions)
// COMMANDLINEOPTION: MacOSX GLX: -nogetprocaddress disables GLX_ARB_get_proc_address (not required, more formal method of getting extension functions)
GL_CheckExtension("GLX_ARB_get_proc_address", getprocaddressfuncs, "-nogetprocaddress", false);
// COMMANDLINEOPTION: Linux GLX: -novideosync disables GLX_SGI_swap_control
// COMMANDLINEOPTION: BSD GLX: -novideosync disables GLX_SGI_swap_control
// COMMANDLINEOPTION: MacOSX GLX: -novideosync disables GLX_SGI_swap_control
GL_CheckExtension("GLX_SGI_swap_control", swapcontrolfuncs, "-novideosync", false);
vid_usingmousegrab = false;
vid_usingmouse = false;
vid_usinghidecursor = false;
vid_usingvsync = false;
vid_hidden = false;
vid_activewindow = true;
vid_x11_hardwaregammasupported = XF86VidModeGetGammaRampSize(vidx11_display, vidx11_screen, &vid_x11_gammarampsize) != 0;
#ifdef USEDGA
vid_x11_dgasupported = XF86DGAQueryVersion(vidx11_display, &MajorVersion, &MinorVersion);
if (!vid_x11_dgasupported)
Con_Print( "Failed to detect XF86DGA Mouse extension\n" );
#endif
GL_Init();
return true;
}
qboolean VID_InitMode(viddef_mode_t *mode)
{
#ifdef SSE_POSSIBLE
if (vid_soft.integer)
return VID_InitModeSoft(mode);
else
#endif
return VID_InitModeGL(mode);
}
void Sys_SendKeyEvents(void)
{
static qboolean sound_active = true;
// enable/disable sound on focus gain/loss
if ((!vid_hidden && vid_activewindow) || !snd_mutewhenidle.integer)
{
if (!sound_active)
{
S_UnblockSound ();
sound_active = true;
}
}
else
{
if (sound_active)
{
S_BlockSound ();
sound_active = false;
}
}
HandleEvents();
}
void VID_BuildJoyState(vid_joystate_t *joystate)
{
VID_Shared_BuildJoyState_Begin(joystate);
VID_Shared_BuildJoyState_Finish(joystate);
}
void VID_EnableJoystick(qboolean enable)
{
int index = joy_enable.integer > 0 ? joy_index.integer : -1;
qboolean success = false;
int sharedcount = 0;
sharedcount = VID_Shared_SetJoystick(index);
if (index >= 0 && index < sharedcount)
success = true;
// update cvar containing count of XInput joysticks
if (joy_detected.integer != sharedcount)
Cvar_SetValueQuick(&joy_detected, sharedcount);
Cvar_SetValueQuick(&joy_active, success ? 1 : 0);
}
void IN_Move (void)
{
vid_joystate_t joystate;
VID_EnableJoystick(true);
VID_BuildJoyState(&joystate);
VID_ApplyJoyState(&joystate);
}
vid_mode_t *VID_GetDesktopMode(void)
{
return &desktop_mode;
}
size_t VID_ListModes(vid_mode_t *modes, size_t maxcount)
{
if(vidmode_ext)
{
int i, bpp;
size_t k;
XF86VidModeModeInfo **vidmodes;
int num_vidmodes;
XF86VidModeGetAllModeLines(vidx11_display, vidx11_screen, &num_vidmodes, &vidmodes);
k = 0;
for (i = 0; i < num_vidmodes; i++)
{
if(k >= maxcount)
break;
// we don't get bpp info, so let's just assume all of 8, 15, 16, 24, 32 work
for(bpp = 8; bpp <= 32; bpp = ((bpp == 8) ? 15 : (bpp & 0xF8) + 8))
{
if(k >= maxcount)
break;
modes[k].width = vidmodes[i]->hdisplay;
modes[k].height = vidmodes[i]->vdisplay;
modes[k].bpp = 8;
if(vidmodes[i]->dotclock && vidmodes[i]->htotal && vidmodes[i]->vtotal)
modes[k].refreshrate = vidmodes[i]->dotclock / vidmodes[i]->htotal / vidmodes[i]->vtotal;
else
modes[k].refreshrate = 60;
modes[k].pixelheight_num = 1;
modes[k].pixelheight_denom = 1; // xvidmode does not provide this
++k;
}
}
// manpage of XF86VidModeGetAllModeLines says it should be freed by the caller
XFree(vidmodes);
return k;
}
return 0; // FIXME implement this
}
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