When an expose event happens on an host GL window paired with an internal drawable, route that expose event to the clients listening to the expose event on the internal drawable.
1394 lines
37 KiB
C
1394 lines
37 KiB
C
/*
|
|
* Xephyr - A kdrive X server thats runs in a host X window.
|
|
* Authored by Matthew Allum <mallum@o-hand.com>
|
|
*
|
|
* Copyright © 2004 Nokia
|
|
*
|
|
* Permission to use, copy, modify, distribute, and sell this software and its
|
|
* documentation for any purpose is hereby granted without fee, provided that
|
|
* the above copyright notice appear in all copies and that both that
|
|
* copyright notice and this permission notice appear in supporting
|
|
* documentation, and that the name of Nokia not be used in
|
|
* advertising or publicity pertaining to distribution of the software without
|
|
* specific, written prior permission. Nokia makes no
|
|
* representations about the suitability of this software for any purpose. It
|
|
* is provided "as is" without express or implied warranty.
|
|
*
|
|
* NOKIA DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
|
|
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
|
|
* EVENT SHALL NOKIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
|
|
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
|
|
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
|
|
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include <kdrive-config.h>
|
|
#endif
|
|
|
|
#include "hostx.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <string.h> /* for memset */
|
|
#include <time.h>
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|
|
|
#include <sys/ipc.h>
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|
#include <sys/shm.h>
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|
#include <sys/time.h>
|
|
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xutil.h>
|
|
#include <X11/Xatom.h>
|
|
#include <X11/keysym.h>
|
|
#include <X11/extensions/XShm.h>
|
|
#include <X11/extensions/shape.h>
|
|
#ifdef XEPHYR_DRI
|
|
#include <GL/glx.h>
|
|
#endif /*XEPHYR_DRI*/
|
|
#include "ephyrlog.h"
|
|
|
|
#ifdef XEPHYR_DRI
|
|
extern Bool XF86DRIQueryExtension (Display *dpy,
|
|
int *event_basep,
|
|
int *error_basep);
|
|
#endif
|
|
|
|
/*
|
|
* All xlib calls go here, which gets built as its own .a .
|
|
* Mixing kdrive and xlib headers causes all sorts of types
|
|
* to get clobbered.
|
|
*/
|
|
|
|
struct EphyrHostScreen
|
|
{
|
|
Window win;
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|
Window win_pre_existing; /* Set via -parent option like xnest */
|
|
XImage *ximg;
|
|
int win_width, win_height;
|
|
int server_depth;
|
|
unsigned char *fb_data; /* only used when host bpp != server bpp */
|
|
XShmSegmentInfo shminfo;
|
|
|
|
void *info; /* Pointer to the screen this is associated with */
|
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int mynum; /* Screen number */
|
|
};
|
|
|
|
struct EphyrHostXVars
|
|
{
|
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char *server_dpy_name;
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Display *dpy;
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int screen;
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|
Visual *visual;
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|
Window winroot;
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|
GC gc;
|
|
int depth;
|
|
Bool use_host_cursor;
|
|
Bool use_fullscreen;
|
|
Bool have_shm;
|
|
|
|
int n_screens;
|
|
struct EphyrHostScreen *screens;
|
|
|
|
long damage_debug_msec;
|
|
|
|
unsigned long cmap[256];
|
|
};
|
|
|
|
/* memset ( missing> ) instead of below */
|
|
/*static EphyrHostXVars HostX = { "?", 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};*/
|
|
static EphyrHostXVars HostX;
|
|
|
|
static int HostXWantDamageDebug = 0;
|
|
|
|
extern EphyrKeySyms ephyrKeySyms;
|
|
|
|
extern int monitorResolution;
|
|
|
|
static void
|
|
hostx_set_fullscreen_hint(void);
|
|
|
|
/* X Error traps */
|
|
|
|
static int trapped_error_code = 0;
|
|
static int (*old_error_handler) (Display *d, XErrorEvent *e);
|
|
|
|
#define host_depth_matches_server(_vars) (HostX.depth == (_vars)->server_depth)
|
|
|
|
static struct EphyrHostScreen *
|
|
host_screen_from_screen_info (EphyrScreenInfo *screen)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0 ; i < HostX.n_screens ; i++)
|
|
{
|
|
if ( HostX.screens[i].info == screen)
|
|
{
|
|
return &HostX.screens[i];
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int
|
|
error_handler(Display *display,
|
|
XErrorEvent *error)
|
|
{
|
|
trapped_error_code = error->error_code;
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
hostx_errors_trap(void)
|
|
{
|
|
trapped_error_code = 0;
|
|
old_error_handler = XSetErrorHandler(error_handler);
|
|
}
|
|
|
|
static int
|
|
hostx_errors_untrap(void)
|
|
{
|
|
XSetErrorHandler(old_error_handler);
|
|
return trapped_error_code;
|
|
}
|
|
|
|
int
|
|
hostx_want_screen_size (EphyrScreenInfo screen, int *width, int *height )
|
|
{
|
|
struct EphyrHostScreen *host_screen = host_screen_from_screen_info (screen);
|
|
|
|
if (host_screen &&
|
|
(host_screen->win_pre_existing != None ||
|
|
HostX.use_fullscreen == True))
|
|
{
|
|
*width = host_screen->win_width;
|
|
*height = host_screen->win_height;
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
hostx_add_screen (EphyrScreenInfo screen,
|
|
unsigned long win_id,
|
|
int screen_num)
|
|
{
|
|
int index = HostX.n_screens;
|
|
|
|
HostX.n_screens += 1;
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|
HostX.screens = realloc (HostX.screens,
|
|
HostX.n_screens * sizeof(struct EphyrHostScreen));
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memset (&HostX.screens[index], 0, sizeof (struct EphyrHostScreen));
|
|
|
|
HostX.screens[index].info = screen;
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|
HostX.screens[index].win_pre_existing = win_id;
|
|
}
|
|
|
|
|
|
void
|
|
hostx_set_display_name (char *name)
|
|
{
|
|
HostX.server_dpy_name = strdup (name);
|
|
}
|
|
|
|
void
|
|
hostx_set_screen_number(EphyrScreenInfo screen, int number)
|
|
{
|
|
struct EphyrHostScreen *host_screen = host_screen_from_screen_info (screen);
|
|
if (host_screen) {
|
|
host_screen->mynum = number;
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|
hostx_set_win_title (host_screen->info, "") ;
|
|
}}
|
|
|
|
void
|
|
hostx_set_win_title (EphyrScreenInfo screen, char *extra_text)
|
|
{
|
|
struct EphyrHostScreen *host_screen = host_screen_from_screen_info (screen);
|
|
#define BUF_LEN 256
|
|
char buf[BUF_LEN+1];
|
|
|
|
if (!host_screen)
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|
return;
|
|
|
|
memset (buf, 0, BUF_LEN+1) ;
|
|
snprintf (buf, BUF_LEN, "Xephyr on %s.%d %s",
|
|
HostX.server_dpy_name,
|
|
host_screen->mynum,
|
|
(extra_text != NULL) ? extra_text : "");
|
|
|
|
XStoreName (HostX.dpy, host_screen->win, buf);
|
|
}
|
|
|
|
int
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|
hostx_want_host_cursor (void)
|
|
{
|
|
return HostX.use_host_cursor;
|
|
}
|
|
|
|
void
|
|
hostx_use_host_cursor (void)
|
|
{
|
|
HostX.use_host_cursor = True;
|
|
}
|
|
|
|
int
|
|
hostx_want_preexisting_window (EphyrScreenInfo screen)
|
|
{
|
|
struct EphyrHostScreen *host_screen = host_screen_from_screen_info (screen);
|
|
|
|
if (host_screen && host_screen->win_pre_existing)
|
|
{
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
hostx_use_fullscreen (void)
|
|
{
|
|
HostX.use_fullscreen = True;
|
|
}
|
|
|
|
int
|
|
hostx_want_fullscreen (void)
|
|
{
|
|
return HostX.use_fullscreen;
|
|
}
|
|
|
|
static void
|
|
hostx_set_fullscreen_hint (void)
|
|
{
|
|
Atom atom_WINDOW_STATE, atom_WINDOW_STATE_FULLSCREEN;
|
|
int index;
|
|
|
|
atom_WINDOW_STATE
|
|
= XInternAtom(HostX.dpy, "_NET_WM_STATE", False);
|
|
atom_WINDOW_STATE_FULLSCREEN
|
|
= XInternAtom(HostX.dpy, "_NET_WM_STATE_FULLSCREEN",False);
|
|
|
|
for (index = 0 ; index < HostX.n_screens ; index++)
|
|
{
|
|
XChangeProperty (HostX.dpy, HostX.screens[index].win,
|
|
atom_WINDOW_STATE, XA_ATOM, 32,
|
|
PropModeReplace,
|
|
(unsigned char *)&atom_WINDOW_STATE_FULLSCREEN, 1);
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
hostx_toggle_damage_debug (void)
|
|
{
|
|
HostXWantDamageDebug ^= 1;
|
|
}
|
|
|
|
void
|
|
hostx_handle_signal (int signum)
|
|
{
|
|
hostx_toggle_damage_debug();
|
|
EPHYR_DBG ("Signal caught. Damage Debug:%i\n",
|
|
HostXWantDamageDebug);
|
|
}
|
|
|
|
int
|
|
hostx_init (void)
|
|
{
|
|
XSetWindowAttributes attr;
|
|
Cursor empty_cursor;
|
|
Pixmap cursor_pxm;
|
|
XColor col;
|
|
int index;
|
|
|
|
attr.event_mask =
|
|
ButtonPressMask
|
|
|ButtonReleaseMask
|
|
|PointerMotionMask
|
|
|KeyPressMask
|
|
|KeyReleaseMask
|
|
|ExposureMask;
|
|
|
|
EPHYR_DBG("mark");
|
|
|
|
if ((HostX.dpy = XOpenDisplay(getenv("DISPLAY"))) == NULL)
|
|
{
|
|
fprintf(stderr, "\nXephyr cannot open host display. Is DISPLAY set?\n");
|
|
exit(1);
|
|
}
|
|
|
|
HostX.screen = DefaultScreen(HostX.dpy);
|
|
HostX.winroot = RootWindow(HostX.dpy, HostX.screen);
|
|
HostX.gc = XCreateGC(HostX.dpy, HostX.winroot, 0, NULL);
|
|
HostX.depth = DefaultDepth(HostX.dpy, HostX.screen);
|
|
HostX.visual = DefaultVisual(HostX.dpy, HostX.screen);
|
|
|
|
for (index = 0 ; index < HostX.n_screens ; index++)
|
|
{
|
|
struct EphyrHostScreen *host_screen = &HostX.screens[index];
|
|
|
|
host_screen->server_depth = HostX.depth;
|
|
if (host_screen->win_pre_existing != None)
|
|
{
|
|
Status result;
|
|
XWindowAttributes prewin_attr;
|
|
|
|
/* Get screen size from existing window */
|
|
|
|
hostx_errors_trap();
|
|
|
|
result = XGetWindowAttributes (HostX.dpy,
|
|
host_screen->win_pre_existing,
|
|
&prewin_attr);
|
|
|
|
|
|
if (hostx_errors_untrap() || !result)
|
|
{
|
|
fprintf (stderr, "\nXephyr -parent window' does not exist!\n");
|
|
exit (1);
|
|
}
|
|
|
|
host_screen->win_width = prewin_attr.width;
|
|
host_screen->win_height = prewin_attr.height;
|
|
|
|
host_screen->win = XCreateWindow (HostX.dpy,
|
|
host_screen->win_pre_existing,
|
|
0,0,
|
|
host_screen->win_width,
|
|
host_screen->win_height,
|
|
0,
|
|
CopyFromParent,
|
|
CopyFromParent,
|
|
CopyFromParent,
|
|
CWEventMask,
|
|
&attr);
|
|
}
|
|
else
|
|
{
|
|
host_screen->win = XCreateWindow (HostX.dpy,
|
|
HostX.winroot,
|
|
0,0,100,100, /* will resize */
|
|
0,
|
|
CopyFromParent,
|
|
CopyFromParent,
|
|
CopyFromParent,
|
|
CWEventMask,
|
|
&attr);
|
|
|
|
hostx_set_win_title (host_screen->info,
|
|
"(ctrl+shift grabs mouse and keyboard)");
|
|
|
|
if (HostX.use_fullscreen)
|
|
{
|
|
host_screen->win_width = DisplayWidth(HostX.dpy, HostX.screen);
|
|
host_screen->win_height = DisplayHeight(HostX.dpy, HostX.screen);
|
|
|
|
hostx_set_fullscreen_hint();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
XParseColor (HostX.dpy, DefaultColormap (HostX.dpy,HostX.screen),
|
|
"red", &col);
|
|
XAllocColor (HostX.dpy, DefaultColormap (HostX.dpy, HostX.screen),
|
|
&col);
|
|
XSetForeground (HostX.dpy, HostX.gc, col.pixel);
|
|
|
|
if (!hostx_want_host_cursor ())
|
|
{
|
|
/* Ditch the cursor, we provide our 'own' */
|
|
cursor_pxm = XCreatePixmap (HostX.dpy, HostX.winroot, 1, 1, 1);
|
|
memset (&col, 0, sizeof (col));
|
|
empty_cursor = XCreatePixmapCursor (HostX.dpy,
|
|
cursor_pxm, cursor_pxm,
|
|
&col, &col, 1, 1);
|
|
for ( index = 0 ; index < HostX.n_screens ; index++ )
|
|
{
|
|
XDefineCursor (HostX.dpy,
|
|
HostX.screens[index].win,
|
|
empty_cursor);
|
|
}
|
|
XFreePixmap (HostX.dpy, cursor_pxm);
|
|
}
|
|
|
|
for (index = 0 ; index < HostX.n_screens ; index++)
|
|
{
|
|
HostX.screens[index].ximg = NULL;
|
|
}
|
|
/* Try to get share memory ximages for a little bit more speed */
|
|
|
|
if (!XShmQueryExtension(HostX.dpy) || getenv("XEPHYR_NO_SHM"))
|
|
{
|
|
fprintf(stderr, "\nXephyr unable to use SHM XImages\n");
|
|
HostX.have_shm = False;
|
|
}
|
|
else
|
|
{
|
|
/* Really really check we have shm - better way ?*/
|
|
XShmSegmentInfo shminfo;
|
|
|
|
HostX.have_shm = True;
|
|
|
|
shminfo.shmid=shmget(IPC_PRIVATE, 1, IPC_CREAT|0777);
|
|
shminfo.shmaddr=shmat(shminfo.shmid,0,0);
|
|
shminfo.readOnly=True;
|
|
|
|
hostx_errors_trap();
|
|
|
|
XShmAttach(HostX.dpy, &shminfo);
|
|
XSync(HostX.dpy, False);
|
|
|
|
if (hostx_errors_untrap())
|
|
{
|
|
fprintf(stderr, "\nXephyr unable to use SHM XImages\n");
|
|
HostX.have_shm = False;
|
|
}
|
|
|
|
shmdt(shminfo.shmaddr);
|
|
shmctl(shminfo.shmid, IPC_RMID, 0);
|
|
}
|
|
|
|
XFlush(HostX.dpy);
|
|
|
|
/* Setup the pause time between paints when debugging updates */
|
|
|
|
HostX.damage_debug_msec = 20000; /* 1/50 th of a second */
|
|
|
|
if (getenv ("XEPHYR_PAUSE"))
|
|
{
|
|
HostX.damage_debug_msec = strtol (getenv ("XEPHYR_PAUSE"), NULL, 0);
|
|
EPHYR_DBG ("pause is %li\n", HostX.damage_debug_msec);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
int
|
|
hostx_get_depth (void)
|
|
{
|
|
return HostX.depth;
|
|
}
|
|
|
|
int
|
|
hostx_get_server_depth (EphyrScreenInfo screen)
|
|
{
|
|
struct EphyrHostScreen *host_screen = host_screen_from_screen_info (screen);
|
|
|
|
return (host_screen ? host_screen->server_depth : 0);
|
|
}
|
|
|
|
void
|
|
hostx_set_server_depth (EphyrScreenInfo screen, int depth)
|
|
{
|
|
struct EphyrHostScreen *host_screen = host_screen_from_screen_info (screen);
|
|
|
|
if (host_screen)
|
|
host_screen->server_depth = depth;
|
|
}
|
|
|
|
int
|
|
hostx_get_bpp (EphyrScreenInfo screen)
|
|
{
|
|
struct EphyrHostScreen *host_screen = host_screen_from_screen_info (screen);
|
|
|
|
if (!host_screen)
|
|
return 0;
|
|
|
|
if (host_depth_matches_server (host_screen))
|
|
return HostX.visual->bits_per_rgb;
|
|
else
|
|
return host_screen->server_depth; /*XXX correct ?*/
|
|
}
|
|
|
|
void
|
|
hostx_get_visual_masks (EphyrScreenInfo screen,
|
|
CARD32 *rmsk,
|
|
CARD32 *gmsk,
|
|
CARD32 *bmsk)
|
|
{
|
|
struct EphyrHostScreen *host_screen = host_screen_from_screen_info (screen);
|
|
|
|
if (!host_screen)
|
|
return;
|
|
|
|
if (host_depth_matches_server(host_screen))
|
|
{
|
|
*rmsk = HostX.visual->red_mask;
|
|
*gmsk = HostX.visual->green_mask;
|
|
*bmsk = HostX.visual->blue_mask;
|
|
}
|
|
else if (host_screen->server_depth == 16)
|
|
{
|
|
/* Assume 16bpp 565 */
|
|
*rmsk = 0xf800;
|
|
*gmsk = 0x07e0;
|
|
*bmsk = 0x001f;
|
|
}
|
|
else
|
|
{
|
|
*rmsk = 0x0;
|
|
*gmsk = 0x0;
|
|
*bmsk = 0x0;
|
|
}
|
|
}
|
|
|
|
void
|
|
hostx_set_cmap_entry(unsigned char idx,
|
|
unsigned char r,
|
|
unsigned char g,
|
|
unsigned char b)
|
|
{
|
|
/* XXX Will likely break for 8 on 16, not sure if this is correct */
|
|
HostX.cmap[idx] = (r << 16) | (g << 8) | (b);
|
|
}
|
|
|
|
/**
|
|
* hostx_screen_init creates the XImage that will contain the front buffer of
|
|
* the ephyr screen, and possibly offscreen memory.
|
|
*
|
|
* @param width width of the screen
|
|
* @param height height of the screen
|
|
* @param buffer_height height of the rectangle to be allocated.
|
|
*
|
|
* hostx_screen_init() creates an XImage, using MIT-SHM if it's available.
|
|
* buffer_height can be used to create a larger offscreen buffer, which is used
|
|
* by fakexa for storing offscreen pixmap data.
|
|
*/
|
|
void*
|
|
hostx_screen_init (EphyrScreenInfo screen,
|
|
int width, int height,
|
|
int buffer_height)
|
|
{
|
|
int bitmap_pad;
|
|
Bool shm_success = False;
|
|
XSizeHints *size_hints;
|
|
|
|
struct EphyrHostScreen *host_screen = host_screen_from_screen_info (screen);
|
|
if (!host_screen)
|
|
{
|
|
fprintf (stderr, "%s: Error in accessing hostx data\n", __func__ );
|
|
exit(1);
|
|
}
|
|
|
|
EPHYR_DBG ("host_screen=%p wxh=%dx%d, buffer_height=%d",
|
|
host_screen, width, height, buffer_height);
|
|
|
|
if (host_screen->ximg != NULL)
|
|
{
|
|
/* Free up the image data if previously used
|
|
* i.ie called by server reset
|
|
*/
|
|
|
|
if (HostX.have_shm)
|
|
{
|
|
XShmDetach(HostX.dpy, &host_screen->shminfo);
|
|
XDestroyImage (host_screen->ximg);
|
|
shmdt(host_screen->shminfo.shmaddr);
|
|
shmctl(host_screen->shminfo.shmid, IPC_RMID, 0);
|
|
}
|
|
else
|
|
{
|
|
if (host_screen->ximg->data)
|
|
{
|
|
free(host_screen->ximg->data);
|
|
host_screen->ximg->data = NULL;
|
|
}
|
|
|
|
XDestroyImage(host_screen->ximg);
|
|
}
|
|
}
|
|
|
|
if (HostX.have_shm)
|
|
{
|
|
host_screen->ximg = XShmCreateImage (HostX.dpy, HostX.visual, HostX.depth,
|
|
ZPixmap, NULL, &host_screen->shminfo,
|
|
width, buffer_height );
|
|
|
|
host_screen->shminfo.shmid =
|
|
shmget(IPC_PRIVATE,
|
|
host_screen->ximg->bytes_per_line * buffer_height,
|
|
IPC_CREAT|0777);
|
|
host_screen->ximg->data = shmat(host_screen->shminfo.shmid, 0, 0);
|
|
host_screen->shminfo.shmaddr = host_screen->ximg->data;
|
|
|
|
if (host_screen->ximg->data == (char *)-1)
|
|
{
|
|
EPHYR_DBG("Can't attach SHM Segment, falling back to plain XImages");
|
|
HostX.have_shm = False;
|
|
XDestroyImage(host_screen->ximg);
|
|
shmctl(host_screen->shminfo.shmid, IPC_RMID, 0);
|
|
}
|
|
else
|
|
{
|
|
EPHYR_DBG("SHM segment attached %p", host_screen->shminfo.shmaddr);
|
|
host_screen->shminfo.readOnly = False;
|
|
XShmAttach(HostX.dpy, &host_screen->shminfo);
|
|
shm_success = True;
|
|
}
|
|
}
|
|
|
|
if (!shm_success)
|
|
{
|
|
bitmap_pad = ( HostX.depth > 16 )? 32 : (( HostX.depth > 8 )? 16 : 8 );
|
|
|
|
EPHYR_DBG("Creating image %dx%d for screen host_screen=%p\n",
|
|
width, buffer_height, host_screen );
|
|
host_screen->ximg = XCreateImage (HostX.dpy,
|
|
HostX.visual,
|
|
HostX.depth,
|
|
ZPixmap, 0, 0,
|
|
width,
|
|
buffer_height,
|
|
bitmap_pad,
|
|
0);
|
|
|
|
host_screen->ximg->data =
|
|
malloc (host_screen->ximg->bytes_per_line * buffer_height);
|
|
}
|
|
|
|
XResizeWindow (HostX.dpy, host_screen->win, width, height);
|
|
|
|
/* Ask the WM to keep our size static */
|
|
size_hints = XAllocSizeHints();
|
|
size_hints->max_width = size_hints->min_width = width;
|
|
size_hints->max_height = size_hints->min_height = height;
|
|
size_hints->flags = PMinSize|PMaxSize;
|
|
XSetWMNormalHints(HostX.dpy, host_screen->win, size_hints);
|
|
XFree(size_hints);
|
|
|
|
XMapWindow(HostX.dpy, host_screen->win);
|
|
|
|
XSync(HostX.dpy, False);
|
|
|
|
host_screen->win_width = width;
|
|
host_screen->win_height = height;
|
|
|
|
if (host_depth_matches_server(host_screen))
|
|
{
|
|
EPHYR_DBG("Host matches server");
|
|
return host_screen->ximg->data;
|
|
}
|
|
else
|
|
{
|
|
EPHYR_DBG("server bpp %i", host_screen->server_depth>>3);
|
|
host_screen->fb_data = malloc(width*buffer_height*(host_screen->server_depth>>3));
|
|
return host_screen->fb_data;
|
|
}
|
|
}
|
|
|
|
static void hostx_paint_debug_rect (struct EphyrHostScreen *host_screen,
|
|
int x, int y,
|
|
int width, int height);
|
|
|
|
void
|
|
hostx_paint_rect (EphyrScreenInfo screen,
|
|
int sx, int sy,
|
|
int dx, int dy,
|
|
int width, int height)
|
|
{
|
|
struct EphyrHostScreen *host_screen = host_screen_from_screen_info (screen);
|
|
|
|
EPHYR_DBG ("painting in screen %d\n", host_screen->mynum) ;
|
|
|
|
/*
|
|
* Copy the image data updated by the shadow layer
|
|
* on to the window
|
|
*/
|
|
|
|
if (HostXWantDamageDebug)
|
|
{
|
|
hostx_paint_debug_rect(host_screen, dx, dy, width, height);
|
|
}
|
|
|
|
/*
|
|
* If the depth of the ephyr server is less than that of the host,
|
|
* the kdrive fb does not point to the ximage data but to a buffer
|
|
* ( fb_data ), we shift the various bits from this onto the XImage
|
|
* so they match the host.
|
|
*
|
|
* Note, This code is pretty new ( and simple ) so may break on
|
|
* endian issues, 32 bpp host etc.
|
|
* Not sure if 8bpp case is right either.
|
|
* ... and it will be slower than the matching depth case.
|
|
*/
|
|
|
|
if (!host_depth_matches_server(host_screen))
|
|
{
|
|
int x,y,idx, bytes_per_pixel = (host_screen->server_depth>>3);
|
|
unsigned char r,g,b;
|
|
unsigned long host_pixel;
|
|
|
|
EPHYR_DBG("Unmatched host depth host_screen=%p\n", host_screen);
|
|
for (y=sy; y<sy+height; y++)
|
|
for (x=sx; x<sx+width; x++)
|
|
{
|
|
idx = (host_screen->win_width*y*bytes_per_pixel)+(x*bytes_per_pixel);
|
|
|
|
switch (host_screen->server_depth)
|
|
{
|
|
case 16:
|
|
{
|
|
unsigned short pixel = *(unsigned short*)(host_screen->fb_data+idx);
|
|
|
|
r = ((pixel & 0xf800) >> 8);
|
|
g = ((pixel & 0x07e0) >> 3);
|
|
b = ((pixel & 0x001f) << 3);
|
|
|
|
host_pixel = (r << 16) | (g << 8) | (b);
|
|
|
|
XPutPixel(host_screen->ximg, x, y, host_pixel);
|
|
break;
|
|
}
|
|
case 8:
|
|
{
|
|
unsigned char pixel = *(unsigned char*)(host_screen->fb_data+idx);
|
|
XPutPixel(host_screen->ximg, x, y, HostX.cmap[pixel]);
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (HostX.have_shm)
|
|
{
|
|
XShmPutImage (HostX.dpy, host_screen->win,
|
|
HostX.gc, host_screen->ximg,
|
|
sx, sy, dx, dy, width, height, False);
|
|
}
|
|
else
|
|
{
|
|
XPutImage (HostX.dpy, host_screen->win, HostX.gc, host_screen->ximg,
|
|
sx, sy, dx, dy, width, height);
|
|
}
|
|
|
|
XSync (HostX.dpy, False);
|
|
}
|
|
|
|
static void
|
|
hostx_paint_debug_rect (struct EphyrHostScreen *host_screen,
|
|
int x, int y,
|
|
int width, int height)
|
|
{
|
|
struct timespec tspec;
|
|
|
|
tspec.tv_sec = HostX.damage_debug_msec / (1000000);
|
|
tspec.tv_nsec = (HostX.damage_debug_msec % 1000000) * 1000;
|
|
|
|
EPHYR_DBG("msec: %li tv_sec %li, tv_msec %li",
|
|
HostX.damage_debug_msec, tspec.tv_sec, tspec.tv_nsec);
|
|
|
|
/* fprintf(stderr, "Xephyr updating: %i+%i %ix%i\n", x, y, width, height); */
|
|
|
|
XFillRectangle (HostX.dpy, host_screen->win, HostX.gc, x, y, width,height);
|
|
XSync (HostX.dpy, False);
|
|
|
|
/* nanosleep seems to work better than usleep for me... */
|
|
nanosleep(&tspec, NULL);
|
|
}
|
|
|
|
void
|
|
hostx_load_keymap(void)
|
|
{
|
|
XID *keymap;
|
|
int host_width, min_keycode, max_keycode, width;
|
|
int i,j;
|
|
|
|
XDisplayKeycodes (HostX.dpy, &min_keycode, &max_keycode);
|
|
|
|
EPHYR_DBG ("min: %d, max: %d", min_keycode, max_keycode);
|
|
|
|
keymap = XGetKeyboardMapping (HostX.dpy,
|
|
min_keycode,
|
|
max_keycode - min_keycode + 1,
|
|
&host_width);
|
|
|
|
/* Try and copy the hosts keymap into our keymap to avoid loads
|
|
* of messing around.
|
|
*
|
|
* kdrive cannot can have more than 4 keysyms per keycode
|
|
* so we only copy at most the first 4 ( xorg has 6 per keycode, XVNC 2 )
|
|
*/
|
|
width = (host_width > 4) ? 4 : host_width;
|
|
|
|
ephyrKeySyms.map = (CARD32 *)calloc(sizeof(CARD32),
|
|
(max_keycode - min_keycode + 1) *
|
|
width);
|
|
if (!ephyrKeySyms.map)
|
|
return;
|
|
|
|
for (i=0; i<(max_keycode - min_keycode+1); i++)
|
|
for (j=0; j<width; j++)
|
|
ephyrKeySyms.map[(i*width)+j] = (CARD32) keymap[(i*host_width) + j];
|
|
|
|
EPHYR_DBG("keymap width, host:%d kdrive:%d", host_width, width);
|
|
|
|
ephyrKeySyms.minKeyCode = min_keycode;
|
|
ephyrKeySyms.maxKeyCode = max_keycode;
|
|
ephyrKeySyms.mapWidth = width;
|
|
|
|
XFree(keymap);
|
|
}
|
|
|
|
static struct EphyrHostScreen *
|
|
host_screen_from_window (Window w)
|
|
{
|
|
int index = 0;
|
|
struct EphyrHostScreen *result = NULL;
|
|
#if 0
|
|
unsigned int num_children = 0;
|
|
Window root = None, parent = None, *children = NULL;
|
|
#endif
|
|
|
|
for (index = 0 ; index < HostX.n_screens ; index++)
|
|
{
|
|
if (HostX.screens[index].win == w)
|
|
{
|
|
result = &HostX.screens[index];
|
|
goto out;
|
|
}
|
|
}
|
|
#if 0
|
|
XQueryTree (hostx_get_display (), w, &root, &parent,
|
|
&children, &num_children);
|
|
if (parent == root || parent == None)
|
|
goto out;
|
|
result = host_screen_from_window (parent);
|
|
#endif
|
|
|
|
out:
|
|
#if 0
|
|
if (children)
|
|
{
|
|
XFree (children);
|
|
children = NULL;
|
|
}
|
|
#endif
|
|
return result;
|
|
}
|
|
|
|
int
|
|
hostx_get_event(EphyrHostXEvent *ev)
|
|
{
|
|
XEvent xev;
|
|
static int grabbed_screen = -1;
|
|
|
|
if (XPending(HostX.dpy))
|
|
{
|
|
XNextEvent(HostX.dpy, &xev);
|
|
|
|
switch (xev.type)
|
|
{
|
|
case Expose:
|
|
/* Not so great event compression, but works ok */
|
|
while (XCheckTypedWindowEvent(HostX.dpy, xev.xexpose.window,
|
|
Expose, &xev));
|
|
{
|
|
struct EphyrHostScreen *host_screen =
|
|
host_screen_from_window (xev.xexpose.window);
|
|
if (host_screen)
|
|
{
|
|
hostx_paint_rect (host_screen->info, 0, 0, 0, 0,
|
|
host_screen->win_width,
|
|
host_screen->win_height);
|
|
}
|
|
else
|
|
{
|
|
EPHYR_LOG_ERROR ("failed to get host screen\n");
|
|
ev->type = EPHYR_EV_EXPOSE;
|
|
ev->data.expose.window = xev.xexpose.window;
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
|
|
case MotionNotify:
|
|
{
|
|
struct EphyrHostScreen *host_screen =
|
|
host_screen_from_window (xev.xmotion.window);
|
|
|
|
ev->type = EPHYR_EV_MOUSE_MOTION;
|
|
ev->data.mouse_motion.x = xev.xmotion.x;
|
|
ev->data.mouse_motion.y = xev.xmotion.y;
|
|
ev->data.mouse_motion.screen = (host_screen ? host_screen->mynum : -1);
|
|
}
|
|
return 1;
|
|
|
|
case ButtonPress:
|
|
ev->type = EPHYR_EV_MOUSE_PRESS;
|
|
ev->key_state = xev.xkey.state;
|
|
/*
|
|
* This is a bit hacky. will break for button 5 ( defined as 0x10 )
|
|
* Check KD_BUTTON defines in kdrive.h
|
|
*/
|
|
ev->data.mouse_down.button_num = 1<<(xev.xbutton.button-1);
|
|
return 1;
|
|
|
|
case ButtonRelease:
|
|
ev->type = EPHYR_EV_MOUSE_RELEASE;
|
|
ev->key_state = xev.xkey.state;
|
|
ev->data.mouse_up.button_num = 1<<(xev.xbutton.button-1);
|
|
return 1;
|
|
|
|
case KeyPress:
|
|
{
|
|
ev->type = EPHYR_EV_KEY_PRESS;
|
|
ev->key_state = xev.xkey.state;
|
|
ev->data.key_down.scancode = xev.xkey.keycode;
|
|
return 1;
|
|
}
|
|
case KeyRelease:
|
|
|
|
if ((XKeycodeToKeysym(HostX.dpy,xev.xkey.keycode,0) == XK_Shift_L
|
|
|| XKeycodeToKeysym(HostX.dpy,xev.xkey.keycode,0) == XK_Shift_R)
|
|
&& (xev.xkey.state & ControlMask))
|
|
{
|
|
struct EphyrHostScreen *host_screen =
|
|
host_screen_from_window (xev.xexpose.window);
|
|
|
|
if (grabbed_screen != -1)
|
|
{
|
|
XUngrabKeyboard (HostX.dpy, CurrentTime);
|
|
XUngrabPointer (HostX.dpy, CurrentTime);
|
|
grabbed_screen = -1;
|
|
hostx_set_win_title (host_screen->info,
|
|
"(ctrl+shift grabs mouse and keyboard)");
|
|
}
|
|
else
|
|
{
|
|
/* Attempt grab */
|
|
if (XGrabKeyboard (HostX.dpy, host_screen->win, True,
|
|
GrabModeAsync,
|
|
GrabModeAsync,
|
|
CurrentTime) == 0)
|
|
{
|
|
if (XGrabPointer (HostX.dpy, host_screen->win, True,
|
|
NoEventMask,
|
|
GrabModeAsync,
|
|
GrabModeAsync,
|
|
host_screen->win, None, CurrentTime) == 0)
|
|
{
|
|
grabbed_screen = host_screen->mynum;
|
|
hostx_set_win_title
|
|
(host_screen->info,
|
|
"(ctrl+shift releases mouse and keyboard)");
|
|
}
|
|
else /* Failed pointer grabm ungrab keyboard */
|
|
XUngrabKeyboard (HostX.dpy, CurrentTime);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Still send the release event even if above has happened
|
|
* server will get confused with just an up event.
|
|
* Maybe it would be better to just block shift+ctrls getting to
|
|
* kdrive all togeather.
|
|
*/
|
|
ev->type = EPHYR_EV_KEY_RELEASE;
|
|
ev->key_state = xev.xkey.state;
|
|
ev->data.key_up.scancode = xev.xkey.keycode;
|
|
return 1;
|
|
|
|
default:
|
|
break;
|
|
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void*
|
|
hostx_get_display(void)
|
|
{
|
|
return HostX.dpy ;
|
|
}
|
|
|
|
int
|
|
hostx_get_window (int a_screen_number)
|
|
{
|
|
if (a_screen_number < 0 || a_screen_number >= HostX.n_screens) {
|
|
EPHYR_LOG_ERROR ("bad screen number:%d\n", a_screen_number) ;
|
|
return 0;
|
|
}
|
|
return HostX.screens[a_screen_number].win ;
|
|
}
|
|
|
|
int
|
|
hostx_get_window_attributes (int a_window, EphyrHostWindowAttributes *a_attrs)
|
|
{
|
|
XWindowAttributes attrs ;
|
|
|
|
memset (&attrs, 0, sizeof (attrs)) ;
|
|
|
|
if (!XGetWindowAttributes (hostx_get_display (),
|
|
a_window,
|
|
&attrs)) {
|
|
return FALSE ;
|
|
}
|
|
a_attrs->x = attrs.x ;
|
|
a_attrs->y = attrs.y ;
|
|
a_attrs->width = attrs.width ;
|
|
a_attrs->height = attrs.height ;
|
|
if (attrs.visual)
|
|
a_attrs->visualid = attrs.visual->visualid ;
|
|
return TRUE ;
|
|
}
|
|
|
|
int
|
|
hostx_get_extension_info (const char *a_ext_name,
|
|
int *a_major_opcode,
|
|
int *a_first_event,
|
|
int *a_first_error)
|
|
{
|
|
if (!a_ext_name || !a_major_opcode || !a_first_event || !a_first_error)
|
|
return 0 ;
|
|
if (!XQueryExtension (HostX.dpy,
|
|
a_ext_name,
|
|
a_major_opcode,
|
|
a_first_event,
|
|
a_first_error))
|
|
{
|
|
return 0 ;
|
|
}
|
|
return 1 ;
|
|
}
|
|
|
|
int
|
|
hostx_get_visuals_info (EphyrHostVisualInfo **a_visuals,
|
|
int *a_num_entries)
|
|
{
|
|
Display *dpy=hostx_get_display () ;
|
|
Bool is_ok=False ;
|
|
XVisualInfo templ, *visuals=NULL;
|
|
EphyrHostVisualInfo *host_visuals=NULL ;
|
|
int nb_items=0, i=0;
|
|
|
|
EPHYR_RETURN_VAL_IF_FAIL (a_visuals && a_num_entries && dpy,
|
|
False) ;
|
|
EPHYR_LOG ("enter\n") ;
|
|
memset (&templ, 0, sizeof (templ)) ;
|
|
visuals = XGetVisualInfo (dpy, VisualNoMask, &templ, &nb_items) ;
|
|
if (!visuals) {
|
|
EPHYR_LOG_ERROR ("host does not advertise any visual\n") ;
|
|
goto out ;
|
|
}
|
|
EPHYR_LOG ("host advertises %d visuals\n", nb_items) ;
|
|
host_visuals = calloc (nb_items, sizeof (EphyrHostVisualInfo)) ;
|
|
for (i=0; i<nb_items; i++) {
|
|
host_visuals[i].visualid = visuals[i].visualid ;
|
|
host_visuals[i].screen = visuals[i].screen ;
|
|
host_visuals[i].depth = visuals[i].depth ;
|
|
host_visuals[i].class = visuals[i].class ;
|
|
host_visuals[i].red_mask = visuals[i].red_mask ;
|
|
host_visuals[i].green_mask = visuals[i].green_mask ;
|
|
host_visuals[i].blue_mask = visuals[i].blue_mask ;
|
|
host_visuals[i].colormap_size = visuals[i].colormap_size ;
|
|
host_visuals[i].bits_per_rgb = visuals[i].bits_per_rgb ;
|
|
}
|
|
*a_visuals = host_visuals ;
|
|
*a_num_entries = nb_items;
|
|
host_visuals=NULL;
|
|
|
|
is_ok = TRUE;
|
|
out:
|
|
if (visuals) {
|
|
XFree (visuals) ;
|
|
visuals = NULL;
|
|
}
|
|
if (host_visuals) {
|
|
free (host_visuals) ;
|
|
host_visuals = NULL;
|
|
}
|
|
EPHYR_LOG ("leave\n") ;
|
|
return is_ok ;
|
|
|
|
}
|
|
|
|
int
|
|
hostx_create_window (int a_screen_number,
|
|
EphyrBox *a_geometry,
|
|
int a_visual_id,
|
|
int *a_host_peer /*out parameter*/)
|
|
{
|
|
Bool is_ok=FALSE ;
|
|
Display *dpy=hostx_get_display () ;
|
|
XVisualInfo *visual_info=NULL, visual_info_templ;
|
|
int visual_mask=VisualIDMask ;
|
|
Window win=None ;
|
|
int nb_visuals=0, winmask=0;
|
|
XSetWindowAttributes attrs;
|
|
|
|
EPHYR_RETURN_VAL_IF_FAIL (dpy && a_geometry, FALSE) ;
|
|
|
|
EPHYR_LOG ("enter\n") ;
|
|
|
|
/*get visual*/
|
|
memset (&visual_info, 0, sizeof (visual_info)) ;
|
|
visual_info_templ.visualid = a_visual_id ;
|
|
visual_info = XGetVisualInfo (dpy, visual_mask,
|
|
&visual_info_templ,
|
|
&nb_visuals) ;
|
|
if (!visual_info) {
|
|
EPHYR_LOG_ERROR ("argh, could not find a remote visual with id:%d\n",
|
|
a_visual_id) ;
|
|
goto out ;
|
|
}
|
|
memset (&attrs, 0, sizeof (attrs)) ;
|
|
attrs.colormap = XCreateColormap (dpy,
|
|
RootWindow (dpy,
|
|
visual_info->screen),
|
|
visual_info->visual,
|
|
AllocNone) ;
|
|
attrs.event_mask = ButtonPressMask
|
|
|ButtonReleaseMask
|
|
|PointerMotionMask
|
|
|KeyPressMask
|
|
|KeyReleaseMask
|
|
|ExposureMask;
|
|
winmask = CWColormap|CWEventMask;
|
|
|
|
win = XCreateWindow (dpy, hostx_get_window (a_screen_number),
|
|
a_geometry->x, a_geometry->y,
|
|
a_geometry->width, a_geometry->height, 0,
|
|
visual_info->depth, CopyFromParent,
|
|
visual_info->visual, winmask, &attrs) ;
|
|
if (win == None) {
|
|
EPHYR_LOG_ERROR ("failed to create peer window\n") ;
|
|
goto out ;
|
|
}
|
|
XFlush (dpy) ;
|
|
XMapWindow (dpy, win) ;
|
|
*a_host_peer = win ;
|
|
is_ok = TRUE ;
|
|
out:
|
|
EPHYR_LOG ("leave\n") ;
|
|
return is_ok ;
|
|
}
|
|
|
|
int
|
|
hostx_destroy_window (int a_win)
|
|
{
|
|
Display *dpy=hostx_get_display () ;
|
|
|
|
EPHYR_RETURN_VAL_IF_FAIL (dpy, FALSE) ;
|
|
XDestroyWindow (dpy, a_win) ;
|
|
XFlush (dpy) ;
|
|
return TRUE ;
|
|
}
|
|
|
|
int
|
|
hostx_set_window_geometry (int a_win, EphyrBox *a_geo)
|
|
{
|
|
Display *dpy=hostx_get_display ();
|
|
|
|
EPHYR_RETURN_VAL_IF_FAIL (dpy && a_geo, FALSE) ;
|
|
|
|
EPHYR_LOG ("enter. x,y,w,h:(%d,%d,%d,%d)\n",
|
|
a_geo->x, a_geo->y,
|
|
a_geo->width, a_geo->height) ;
|
|
|
|
XMoveWindow (dpy, a_win, a_geo->x, a_geo->y) ;
|
|
XResizeWindow (dpy, a_win, a_geo->width, a_geo->height) ;
|
|
EPHYR_LOG ("leave\n") ;
|
|
return TRUE;
|
|
}
|
|
|
|
int
|
|
hostx_set_window_bounding_rectangles (int a_window,
|
|
EphyrRect *a_rects,
|
|
int a_num_rects)
|
|
{
|
|
Bool is_ok=FALSE;
|
|
Display *dpy=hostx_get_display () ;
|
|
int i=0 ;
|
|
XRectangle *rects=NULL ;
|
|
|
|
EPHYR_RETURN_VAL_IF_FAIL (dpy && a_rects, FALSE) ;
|
|
|
|
EPHYR_LOG ("enter. num rects:%d\n", a_num_rects) ;
|
|
|
|
rects = calloc (a_num_rects, sizeof (XRectangle)) ;
|
|
for (i=0; i<a_num_rects; i++) {
|
|
rects[i].x = a_rects[i].x1 ;
|
|
rects[i].y = a_rects[i].y1 ;
|
|
rects[i].width = abs (a_rects[i].x2 - a_rects[i].x1);
|
|
rects[i].height = abs (a_rects[i].y2 - a_rects[i].y1) ;
|
|
EPHYR_LOG ("borders clipped to rect[x:%d,y:%d,w:%d,h:%d]\n",
|
|
rects[i].x, rects[i].y,
|
|
rects[i].width, rects[i].height) ;
|
|
}
|
|
/*this aways returns 1*/
|
|
XShapeCombineRectangles (dpy, a_window, ShapeBounding, 0, 0,
|
|
rects, a_num_rects, ShapeSet, YXBanded) ;
|
|
is_ok = TRUE ;
|
|
|
|
if (rects) {
|
|
free (rects) ;
|
|
rects = NULL ;
|
|
}
|
|
EPHYR_LOG ("leave\n") ;
|
|
return is_ok;
|
|
}
|
|
|
|
int
|
|
hostx_set_window_clipping_rectangles (int a_window,
|
|
EphyrRect *a_rects,
|
|
int a_num_rects)
|
|
{
|
|
Bool is_ok=FALSE;
|
|
Display *dpy=hostx_get_display () ;
|
|
int i=0 ;
|
|
XRectangle *rects=NULL ;
|
|
|
|
EPHYR_RETURN_VAL_IF_FAIL (dpy && a_rects, FALSE) ;
|
|
|
|
EPHYR_LOG ("enter. num rects:%d\n", a_num_rects) ;
|
|
|
|
rects = calloc (a_num_rects, sizeof (XRectangle)) ;
|
|
for (i=0; i<a_num_rects; i++) {
|
|
rects[i].x = a_rects[i].x1 ;
|
|
rects[i].y = a_rects[i].y1 ;
|
|
rects[i].width = abs (a_rects[i].x2 - a_rects[i].x1);
|
|
rects[i].height = abs (a_rects[i].y2 - a_rects[i].y1) ;
|
|
EPHYR_LOG ("clipped to rect[x:%d,y:%d,w:%d,h:%d]\n",
|
|
rects[i].x, rects[i].y,
|
|
rects[i].width, rects[i].height) ;
|
|
}
|
|
/*this aways returns 1*/
|
|
XShapeCombineRectangles (dpy, a_window, ShapeClip, 0, 0,
|
|
rects, a_num_rects, ShapeSet, YXBanded) ;
|
|
is_ok = TRUE ;
|
|
|
|
if (rects) {
|
|
free (rects) ;
|
|
rects = NULL ;
|
|
}
|
|
EPHYR_LOG ("leave\n") ;
|
|
return is_ok;
|
|
}
|
|
|
|
int
|
|
hostx_has_xshape (void)
|
|
{
|
|
int event_base=0, error_base=0 ;
|
|
Display *dpy=hostx_get_display () ;
|
|
if (!XShapeQueryExtension (dpy,
|
|
&event_base,
|
|
&error_base)) {
|
|
return FALSE ;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
#ifdef XEPHYR_DRI
|
|
typedef struct {
|
|
int is_valid ;
|
|
int local_id ;
|
|
int remote_id ;
|
|
} ResourcePair ;
|
|
|
|
#define RESOURCE_PEERS_SIZE 1024*10
|
|
static ResourcePair resource_peers[RESOURCE_PEERS_SIZE] ;
|
|
|
|
|
|
int
|
|
hostx_allocate_resource_id_peer (int a_local_resource_id,
|
|
int *a_remote_resource_id)
|
|
{
|
|
int i=0 ;
|
|
ResourcePair *peer=NULL ;
|
|
Display *dpy=hostx_get_display ();
|
|
|
|
/*
|
|
* first make sure a resource peer
|
|
* does not exist already for
|
|
* a_local_resource_id
|
|
*/
|
|
for (i=0; i<RESOURCE_PEERS_SIZE; i++) {
|
|
if (resource_peers[i].is_valid
|
|
&& resource_peers[i].local_id == a_local_resource_id) {
|
|
peer = &resource_peers[i] ;
|
|
break ;
|
|
}
|
|
}
|
|
/*
|
|
* find one free peer entry, an feed it with
|
|
*/
|
|
if (!peer) {
|
|
for (i=0; i<RESOURCE_PEERS_SIZE; i++) {
|
|
if (!resource_peers[i].is_valid) {
|
|
peer = &resource_peers[i] ;
|
|
break ;
|
|
}
|
|
}
|
|
if (peer) {
|
|
peer->remote_id = XAllocID (dpy);
|
|
peer->local_id = a_local_resource_id ;
|
|
peer->is_valid = TRUE ;
|
|
}
|
|
}
|
|
if (peer) {
|
|
*a_remote_resource_id = peer->remote_id ;
|
|
return TRUE ;
|
|
}
|
|
return FALSE ;
|
|
}
|
|
|
|
int
|
|
hostx_get_resource_id_peer (int a_local_resource_id,
|
|
int *a_remote_resource_id)
|
|
{
|
|
int i=0 ;
|
|
ResourcePair *peer=NULL ;
|
|
for (i=0; i<RESOURCE_PEERS_SIZE; i++) {
|
|
if (resource_peers[i].is_valid
|
|
&& resource_peers[i].local_id == a_local_resource_id) {
|
|
peer = &resource_peers[i] ;
|
|
break ;
|
|
}
|
|
}
|
|
if (peer) {
|
|
*a_remote_resource_id = peer->remote_id ;
|
|
return TRUE ;
|
|
}
|
|
return FALSE ;
|
|
}
|
|
|
|
int
|
|
hostx_has_dri (void)
|
|
{
|
|
int event_base=0, error_base=0 ;
|
|
Display *dpy=hostx_get_display () ;
|
|
|
|
if (!dpy)
|
|
return FALSE ;
|
|
|
|
if (!XF86DRIQueryExtension (dpy,
|
|
&event_base,
|
|
&error_base)) {
|
|
return FALSE ;
|
|
}
|
|
return TRUE ;
|
|
}
|
|
|
|
int
|
|
hostx_has_glx (void)
|
|
{
|
|
Display *dpy=hostx_get_display () ;
|
|
int event_base=0, error_base=0 ;
|
|
|
|
if (!glXQueryExtension (dpy, &event_base, &error_base)) {
|
|
return FALSE ;
|
|
}
|
|
return TRUE ;
|
|
}
|
|
|
|
#endif /*XEPHYR_DRI*/
|
|
|