bool X11Grabber::Setup()
{
_x11Display = XOpenDisplay(NULL);
if (_x11Display == nullptr)
{
Error(_log, "Unable to open display");
if (getenv("DISPLAY"))
{
Error(_log, "%s",getenv("DISPLAY"));
}
else
{
Error(_log, "DISPLAY environment variable not set");
}
return false;
}
_window = DefaultRootWindow(_x11Display);
int dummy, pixmaps_supported;
_XRenderAvailable = XRenderQueryExtension(_x11Display, &dummy, &dummy);
_XShmAvailable = XShmQueryExtension(_x11Display);
XShmQueryVersion(_x11Display, &dummy, &dummy, &pixmaps_supported);
_XShmPixmapAvailable = pixmaps_supported && XShmPixmapFormat(_x11Display) == ZPixmap;
// Image scaling is performed by XRender when available, otherwise by ImageResampler
_imageResampler.setHorizontalPixelDecimation(_XRenderAvailable ? 1 : _horizontalDecimation);
_imageResampler.setVerticalPixelDecimation(_XRenderAvailable ? 1 : _verticalDecimation);
return true;
}
bool X11Grabber::Setup()
{
_x11Display = XOpenDisplay(NULL);
if (_x11Display == nullptr)
{
std::cerr << "X11GRABBER ERROR: Unable to open display";
if (getenv("DISPLAY")) {
std::cerr << " " << std::string(getenv("DISPLAY")) << std::endl;
} else {
std::cerr << ". DISPLAY environment variable not set" << std::endl;
}
return false;
}
_window = DefaultRootWindow(_x11Display);
int dummy, pixmaps_supported;
_XRenderAvailable = XRenderQueryExtension(_x11Display, &dummy, &dummy);
_XShmAvailable = XShmQueryExtension(_x11Display);
XShmQueryVersion(_x11Display, &dummy, &dummy, &pixmaps_supported);
_XShmPixmapAvailable = pixmaps_supported && XShmPixmapFormat(_x11Display) == ZPixmap;
return true;
}
int mlx_int_deal_shm(t_xvar *xvar)
{
int use_pshm;
int bidon;
char *dpy;
char buff[33];
xvar->use_xshm = XShmQueryVersion(xvar->display,&bidon,&bidon,&(use_pshm));
if (xvar->use_xshm && use_pshm)
xvar->pshm_format = XShmPixmapFormat(xvar->display);
else
xvar->pshm_format = -1;
gethostname(buff,32);
dpy = getenv(ENV_DISPLAY);
if (dpy && strlen(dpy) && *dpy!=':' && strncmp(dpy,buff,strlen(buff)) &&
strncmp(dpy,LOCALHOST,strlen(LOCALHOST)) )
{
xvar->pshm_format = -1;
xvar->use_xshm = 0;
}
}
/*
* Setup X11 wnd System
*/
void
X11_SetupWindow (GF_VideoOutput * vout)
{
X11VID ();
const char *sOpt;
Bool autorepeat, supported;
xWindow->display = XOpenDisplay (NULL);
xWindow->screennum = DefaultScreen (xWindow->display);
xWindow->screenptr = DefaultScreenOfDisplay (xWindow->display);
xWindow->visual = DefaultVisualOfScreen (xWindow->screenptr);
xWindow->depth = DefaultDepth (xWindow->display, xWindow->screennum);
{
Float screenWidth = (Float)XWidthOfScreen(xWindow->screenptr);
Float screenWidthIn = (Float)XWidthMMOfScreen(xWindow->screenptr) / 25.4f;
Float screenHeight = (Float)XHeightOfScreen(xWindow->screenptr);
Float screenHeightIn = (Float)XHeightMMOfScreen(xWindow->screenptr) / 25.4f;
vout->dpi_x = (u32)(screenWidth / screenWidthIn);
vout->dpi_y = (u32)(screenHeight / screenHeightIn);
}
switch (xWindow->depth) {
case 8:
xWindow->pixel_format = GF_PIXEL_GREYSCALE;
break;
case 16:
xWindow->pixel_format = GF_PIXEL_RGB_565;
break;
case 24:
xWindow->pixel_format = GF_PIXEL_RGB_32;
break;
default:
xWindow->pixel_format = GF_PIXEL_GREYSCALE;
break;
}
xWindow->bpp = xWindow->depth / 8;
xWindow->bpp = xWindow->bpp == 3 ? 4 : xWindow->bpp;
xWindow->screennum=0;
vout->max_screen_width = DisplayWidth(xWindow->display, xWindow->screennum);
vout->max_screen_height = DisplayHeight(xWindow->display, xWindow->screennum);
/*
* Full screen wnd
*/
xWindow->full_wnd = XCreateWindow (xWindow->display,
RootWindowOfScreen (xWindow->screenptr),
0, 0,
vout->max_screen_width,
vout->max_screen_height, 0,
xWindow->depth, InputOutput,
xWindow->visual, 0, NULL);
XSelectInput(xWindow->display, xWindow->full_wnd,
FocusChangeMask | ExposureMask | PointerMotionMask | ButtonReleaseMask | ButtonPressMask | KeyPressMask | KeyReleaseMask);
if (!xWindow->par_wnd) {
xWindow->w_width = 320;
xWindow->w_height = 240;
xWindow->wnd = XCreateWindow (xWindow->display,
RootWindowOfScreen(xWindow->screenptr), 0, 0,
xWindow->w_width, xWindow->w_height, 0,
xWindow->depth, InputOutput,
xWindow->visual, 0, NULL);
XMapWindow (xWindow->display, (Window) xWindow->wnd);
} else {
XWindowAttributes pwa;
XGetWindowAttributes(xWindow->display, xWindow->par_wnd, &pwa);
xWindow->w_width = pwa.width;
xWindow->w_height = pwa.height;
xWindow->wnd = XCreateWindow (xWindow->display, xWindow->par_wnd, pwa.x, pwa.y,
xWindow->w_width, xWindow->w_height, 0,
xWindow->depth, InputOutput,
xWindow->visual, 0, NULL);
XMapWindow (xWindow->display, (Window) xWindow->wnd);
}
XSync(xWindow->display, False);
XUnmapWindow (xWindow->display, (Window) xWindow->wnd);
XSync(xWindow->display, False);
old_handler = XSetErrorHandler(X11_BadAccess_ByPass);
selectinput_err = 0;
XSelectInput(xWindow->display, xWindow->wnd,
FocusChangeMask | StructureNotifyMask | PropertyChangeMask | ExposureMask |
PointerMotionMask | ButtonReleaseMask | ButtonPressMask |
KeyPressMask | KeyReleaseMask);
XSync(xWindow->display, False);
XSetErrorHandler(old_handler);
if (selectinput_err) {
XSelectInput(xWindow->display, xWindow->wnd,
StructureNotifyMask | PropertyChangeMask | ExposureMask |
KeyPressMask | KeyReleaseMask);
GF_LOG(GF_LOG_ERROR, GF_LOG_MMIO, ("[X11] Cannot select input focus\n"));
}
XSync(xWindow->display, False);
XMapWindow (xWindow->display, (Window) xWindow->wnd);
XSizeHints *Hints = XAllocSizeHints ();
Hints->flags = PSize | PMinSize;
Hints->min_width = 64;
Hints->min_height = 64;
Hints->max_height = 4096;
Hints->max_width = 4096;
if (!xWindow->par_wnd) {
XSetWMNormalHints (xWindow->display, xWindow->wnd, Hints);
XStoreName (xWindow->display, xWindow->wnd, "GPAC X11 Output");
}
Hints->x = 0;
Hints->y = 0;
Hints->flags |= USPosition;
XSetWMNormalHints (xWindow->display, xWindow->full_wnd, Hints);
autorepeat = 1;
XkbSetDetectableAutoRepeat(xWindow->display, autorepeat, &supported);
if (xWindow->init_flags & GF_TERM_WINDOW_NO_DECORATION) {
#define PROP_MOTIF_WM_HINTS_ELEMENTS 5
#define MWM_HINTS_DECORATIONS (1L << 1)
struct {
unsigned long flags;
unsigned long functions;
unsigned long decorations;
long inputMode;
unsigned long status;
} hints = {2, 0, 0, 0, 0};
hints.flags = MWM_HINTS_DECORATIONS;
hints.decorations = 0;
XChangeProperty(xWindow->display, xWindow->wnd, XInternAtom(xWindow->display,"_MOTIF_WM_HINTS", False), XInternAtom(xWindow->display, "_MOTIF_WM_HINTS", False), 32, PropModeReplace, (unsigned char *)&hints, PROP_MOTIF_WM_HINTS_ELEMENTS);
}
xWindow->the_gc = XCreateGC (xWindow->display, xWindow->wnd, 0, NULL);
xWindow->use_shared_memory = 0;
#ifdef GPAC_HAS_X11_SHM
sOpt = gf_modules_get_option((GF_BaseInterface *)vout, "Video", "UseHardwareMemory");
if (sOpt && !strcmp(sOpt, "yes")) {
int XShmMajor, XShmMinor;
Bool XShmPixmaps;
if (XShmQueryVersion(xWindow->display, &XShmMajor, &XShmMinor, &XShmPixmaps)) {
xWindow->use_shared_memory = 1;
GF_LOG(GF_LOG_INFO, GF_LOG_MMIO, ("[X11] Using X11 Shared Memory\n"));
if ((XShmPixmaps==True) && (XShmPixmapFormat(xWindow->display)==ZPixmap)) {
GF_LOG(GF_LOG_INFO, GF_LOG_MMIO, ("[X11] X11 Shared Memory Pixmaps available\n"));
}
}
}
#endif
#ifdef GPAC_HAS_X11_XV
sOpt = gf_modules_get_option((GF_BaseInterface *)vout, "Video", "DisableColorKeying");
if (sOpt && !strcmp(sOpt, "yes")) {
xWindow->xvport = X11_GetXVideoPort(vout, GF_PIXEL_I420, 0);
} else {
xWindow->xvport = X11_GetXVideoPort(vout, GF_PIXEL_I420, 1);
if (xWindow->xvport<0) {
GF_LOG(GF_LOG_INFO, GF_LOG_MMIO, ("[X11] Hardware has no color keying\n"));
vout->overlay_color_key = 0;
xWindow->xvport = X11_GetXVideoPort(vout, GF_PIXEL_I420, 0);
} else {
GF_LOG(GF_LOG_INFO, GF_LOG_MMIO, ("[X11] Hardware uses color key %08x\n", vout->overlay_color_key));
}
}
if (xWindow->xvport>=0) {
XvUngrabPort(xWindow->display, xWindow->xvport, CurrentTime );
xWindow->xvport = -1;
vout->yuv_pixel_format = X11_GetPixelFormat(xWindow->xv_pf_format);
vout->Blit = X11_Blit;
vout->hw_caps |= GF_VIDEO_HW_HAS_YUV_OVERLAY;
GF_LOG(GF_LOG_INFO, GF_LOG_MMIO, ("[X11] Using XV YUV Overlays\n"));
#ifdef GPAC_HAS_X11_SHM
/*if user asked for YUV->RGB on offscreen, do it (it may crash the system)*/
sOpt = gf_modules_get_option((GF_BaseInterface *)vout, "Video", "EnableOffscreenYUV");
if (sOpt && !strcmp(sOpt, "yes")) {
vout->hw_caps |= GF_VIDEO_HW_HAS_YUV;
GF_LOG(GF_LOG_INFO, GF_LOG_MMIO, ("[X11] Using XV Offscreen YUV2RGB acceleration\n"));
}
#endif
}
#endif
XSetWindowAttributes xsw;
xsw.border_pixel = WhitePixel (xWindow->display, xWindow->screennum);
xsw.background_pixel = BlackPixel (xWindow->display, xWindow->screennum);
xsw.win_gravity = NorthWestGravity;
XChangeWindowAttributes (xWindow->display, xWindow->wnd, CWBackPixel | CWWinGravity, &xsw);
xsw.override_redirect = True;
XChangeWindowAttributes(xWindow->display, xWindow->full_wnd,
CWOverrideRedirect | CWBackPixel | CWBorderPixel | CWWinGravity, &xsw);
if (!xWindow->par_wnd) {
xWindow->WM_DELETE_WINDOW = XInternAtom (xWindow->display, "WM_DELETE_WINDOW", False);
XSetWMProtocols(xWindow->display, xWindow->wnd, &xWindow->WM_DELETE_WINDOW, 1);
}
{
XEvent ev;
long mask;
memset (&ev, 0, sizeof (ev));
ev.xclient.type = ClientMessage;
ev.xclient.window = RootWindowOfScreen (xWindow->screenptr);
ev.xclient.message_type = XInternAtom (xWindow->display, "KWM_KEEP_ON_TOP", False);
ev.xclient.format = 32;
ev.xclient.data.l[0] = xWindow->full_wnd;
ev.xclient.data.l[1] = CurrentTime;
mask = SubstructureRedirectMask;
XSendEvent (xWindow->display,RootWindowOfScreen (xWindow->screenptr), False,
mask, &ev);
}
/*openGL setup*/
#ifdef GPAC_HAS_OPENGL
{
int attribs[64];
int i, nb_bits;
sOpt = gf_modules_get_option((GF_BaseInterface *)vout, "Video", "GLNbBitsPerComponent");
/* Most outputs are 24/32 bits these days, use 8 bits per channel instead of 5, works better on MacOS X */
nb_bits = sOpt ? atoi(sOpt) : 8;
if (!sOpt){
gf_modules_set_option((GF_BaseInterface *)vout, "Video", "GLNbBitsPerComponent", "8");
}
i=0;
attribs[i++] = GLX_RGBA;
attribs[i++] = GLX_RED_SIZE;
attribs[i++] = nb_bits;
attribs[i++] = GLX_GREEN_SIZE;
attribs[i++] = nb_bits;
attribs[i++] = GLX_BLUE_SIZE;
attribs[i++] = nb_bits;
sOpt = gf_modules_get_option((GF_BaseInterface *)vout, "Video", "GLNbBitsDepth");
nb_bits = sOpt ? atoi(sOpt) : 16;
if (!sOpt){
gf_modules_set_option((GF_BaseInterface *)vout, "Video", "GLNbBitsDepth", "16");
}
if (nb_bits) {
attribs[i++] = GLX_DEPTH_SIZE;
attribs[i++] = nb_bits;
}
sOpt = gf_modules_get_option((GF_BaseInterface *)vout, "Video", "UseGLDoubleBuffering");
if (!sOpt){
gf_modules_set_option((GF_BaseInterface *)vout, "Video", "UseGLDoubleBuffering", "yes");
}
if (!sOpt || !strcmp(sOpt, "yes")) attribs[i++] = GLX_DOUBLEBUFFER;
attribs[i++] = None;
xWindow->glx_visualinfo = glXChooseVisual(xWindow->display, xWindow->screennum, attribs);
if (!xWindow->glx_visualinfo) {
GF_LOG(GF_LOG_ERROR, GF_LOG_MMIO, ("[X11] Error selecting GL display\n"));
}
}
xWindow->gl_wnd = XCreateWindow (xWindow->display, RootWindowOfScreen (xWindow->screenptr),
0,
0,
200,
200, 0,
xWindow->depth, InputOutput,
xWindow->visual, 0, NULL);
XSync(xWindow->display, False);
XUnmapWindow(xWindow->display, (Window) xWindow->gl_wnd);
XSync(xWindow->display, False);
sOpt = gf_modules_get_option((GF_BaseInterface *)vout, "Video", "X113DOffscreenMode");
if (!sOpt)
gf_modules_set_option((GF_BaseInterface *)vout, "Video", "X113DOffscreenMode", "Pixmap");
if (sOpt && !strcmp(sOpt, "Window")) {
xWindow->offscreen_type = 1;
} else if (sOpt && !strcmp(sOpt, "VisibleWindow")) {
xWindow->offscreen_type = 2;
XSetWMNormalHints (xWindow->display, xWindow->gl_wnd, Hints);
} else if (sOpt && !strcmp(sOpt, "Pixmap")) {
xWindow->offscreen_type = 0;
} else {
xWindow->offscreen_type = 0;
}
#endif
/*turn off xscreensaver*/
X11_XScreenSaverState(xWindow, 0);
xWindow->setup_done = 1;
XFree (Hints);
}
bool video::init_window(int xsize, int ysize)
{
{ //enclose local variables before fail label
g_sizex = xsize; g_sizey = ysize;
// Open the display
if (!dpy) {
dpy = XOpenDisplay(display_name);
if (!dpy) {
fprintf(stderr, "Can't open X11 display %s\n", XDisplayName(display_name));
goto fail;
}
}
int theScreen = DefaultScreen(dpy);
scrn = ScreenOfDisplay(dpy, theScreen);
dispdepth = DefaultDepth(dpy, theScreen);
XVisualInfo vinfo;
if (!( (dispdepth >= 15 && dispdepth <= 32 && XMatchVisualInfo(dpy, theScreen, dispdepth, TrueColor, &vinfo) )
|| XMatchVisualInfo(dpy, theScreen, 24, TrueColor, &vinfo)
|| XMatchVisualInfo(dpy, theScreen, 32, TrueColor, &vinfo)
|| XMatchVisualInfo(dpy, theScreen, 16, TrueColor, &vinfo)
|| XMatchVisualInfo(dpy, theScreen, 15, TrueColor, &vinfo)
)) {
fprintf(stderr, "Display has no appropriate True Color visual\n");
goto fail;
}
vis = vinfo.visual;
depth = dispdepth = vinfo.depth;
mask2bits(vinfo.red_mask, red_mask, red_shift);
mask2bits(vinfo.green_mask, green_mask, green_shift);
mask2bits(vinfo.blue_mask, blue_mask, blue_shift);
rootW = RootWindow(dpy, theScreen);
cmap = XCreateColormap(dpy, rootW, vis, AllocNone);
XSetWindowAttributes attrs;
attrs.backing_store = Always;
attrs.colormap = cmap;
attrs.event_mask = StructureNotifyMask|KeyPressMask|ButtonPressMask|ButtonReleaseMask;
attrs.background_pixel = BlackPixelOfScreen(scrn);
attrs.border_pixel = WhitePixelOfScreen(scrn);
win = XCreateWindow(dpy, rootW,
0, 0, xsize, ysize, 2,
dispdepth, InputOutput, vis,
CWBackingStore | CWColormap | CWEventMask |
CWBackPixel | CWBorderPixel,
&attrs);
if(!win) {
fprintf(stderr, "Can't create the window\n");
goto fail;
}
XSizeHints sh;
sh.flags = PSize | PMinSize | PMaxSize;
sh.width = sh.min_width = sh.max_width = xsize;
sh.height = sh.min_height = sh.max_height = ysize;
XSetStandardProperties( dpy, win, g_video->title, g_video->title, None, NULL, 0, &sh );
_XA_WM_DELETE_WINDOW = XInternAtom(dpy, "WM_DELETE_WINDOW", false);
XSetWMProtocols(dpy, win, &_XA_WM_DELETE_WINDOW, 1);
gc = XCreateGC(dpy, win, 0L, &xgcv);
XMapRaised(dpy, win);
XFlush(dpy);
#ifdef X_FULLSYNC
XSynchronize(dpy, true);
#endif
XSetErrorHandler(xerr_handler);
int imgbytes = xsize*ysize*(dispdepth<=16?2:4);
const char *vidstr;
#ifndef X_NOSHMEM
int major, minor, pixmaps;
if(XShmQueryExtension(dpy) &&
XShmQueryVersion(dpy, &major, &minor, &pixmaps))
{ // Shared memory
if(NULL!=getenv(NOSHMEM_env_var_name) && 0!=strcmp("0",getenv(NOSHMEM_env_var_name))) {
goto generic;
}
shmseginfo.shmid = shmget(IPC_PRIVATE, imgbytes, IPC_CREAT|0777);
if(shmseginfo.shmid < 0) {
fprintf(stderr, "Warning: Can't get shared memory: %s\n", strerror(errno));
goto generic;
}
g_pImg = (unsigned int*)(shmseginfo.shmaddr = (char*)shmat(shmseginfo.shmid, 0, 0));
if(g_pImg == (unsigned int*)-1) {
fprintf(stderr, "Warning: Can't attach to shared memory: %s\n", strerror(errno));
shmctl(shmseginfo.shmid, IPC_RMID, NULL);
goto generic;
}
shmseginfo.readOnly = false;
if(!XShmAttach(dpy, &shmseginfo) || x_error) {
char err[256]; XGetErrorText(dpy, x_error, err, 255);
fprintf(stderr, "Warning: Can't attach shared memory to display: %s (%d)\n", err, x_error);
shmdt(shmseginfo.shmaddr); shmctl(shmseginfo.shmid, IPC_RMID, NULL);
goto generic;
}
already_called_X_ShmAttach = true;
#ifndef X_NOSHMPIX
if(pixmaps && XShmPixmapFormat(dpy) == ZPixmap)
{ // Pixmaps
vidtype = 2; vidstr = "X11 shared memory pixmap";
pixmap = XShmCreatePixmap(dpy, win, (char*)g_pImg, &shmseginfo, xsize, ysize, dispdepth);
XSetWindowBackgroundPixmap(dpy, win, pixmap);
} else
#endif//!X_NOSHMPIX
{ // Standard
vidtype = 1; vidstr = "X11 shared memory";
ximage = XShmCreateImage(dpy, vis, dispdepth,
ZPixmap, 0, &shmseginfo, xsize, ysize);
if(!ximage) {
fprintf(stderr, "Can't create the shared image\n");
goto fail;
}
assert(ximage->bytes_per_line == xsize*(dispdepth<=16?2:4));
ximage->data = shmseginfo.shmaddr;
}
} else
#endif
{
#ifndef X_NOSHMEM
generic:
#endif
vidtype = 0; vidstr = "generic X11";
g_pImg = new unsigned int[imgbytes/sizeof(int)];
ximage = XCreateImage(dpy, vis, dispdepth, ZPixmap, 0, (char*)g_pImg, xsize, ysize, 32, imgbytes/ysize);
if(!ximage) {
fprintf(stderr, "Can't create the image\n");
goto fail;
}
}
// Note: It may be more efficient to adopt the server's byte order
// and swap once per get_color() call instead of once per pixel.
const uint32_t probe = 0x03020100;
const bool big_endian = (((const char*)(&probe))[0]==0x03);
ximage->byte_order = big_endian ? MSBFirst : LSBFirst;
printf("Note: using %s with %s visual for %d-bit color depth\n", vidstr, vis==DefaultVisual(dpy, theScreen)?"default":"non-default", dispdepth);
running = true;
return true;
} // end of enclosing local variables
fail:
terminate(); init_console();
return false;
}
void Xinitialize (int width, int height)
{
XVisualInfo vinfo_return;
XSetWindowAttributes wa;
Pixmap mask, cur;
XColor black, white;
black.red = black.green = black.blue = 0;
/* buggered if I care, its just for an invisible cursor :] */
white.red = white.green = white.blue = 0;
xWidth = width;
xHeight = height;
#ifdef __DEBUG__
printf ("xshm: connecting to X server\n");
#endif
if ((dp = XOpenDisplay (0)) == 0) {
printf ("xshm: could not open X display\n");
exit (0);
}
XSetCloseDownMode (dp, DestroyAll);
screen = DefaultScreen (dp);
if (XMatchVisualInfo (dp, DefaultScreen (dp),
8, PseudoColor, &vinfo_return) == False) {
printf ("X: Screen doesn't support PseudoColor!\n");
exit(666);
}
/* Make sure all is destroyed if killed off */
/* Make sure we can do PsuedoColor colormap stuff */
if (!XShmQueryExtension (dp)) {
/* Check to see if the extensions are supported */
fprintf (stderr, "X server doesn't support MITSHM extension.\n");
exit(666);
} else if (!XShmPixmapFormat (dp)) {
fprintf (stderr, "X server doesn't do shared memory pixmaps.\n");
exit(666);
}
#ifdef __DEBUG__
else printf ("xshm: MITSHM present\n");
#endif
wi = XCreateSimpleWindow (dp, RootWindow (dp, screen), 50, 50, xWidth, xHeight, 0, 0, 0);
colours = XCreateColormap (dp, wi, DefaultVisual (dp, XDefaultScreen (dp)),
AllocAll);
XSetWindowColormap (dp, wi, colours);
cur = XCreatePixmapFromBitmapData (dp, wi, (char *) nocursorm_bits,
nocursorm_width, nocursorm_height, (unsigned long) 1,
(unsigned long) 0, (unsigned int) 1);
mask = XCreatePixmapFromBitmapData (dp, wi, (char *) nocursorm_bits,
nocursorm_width, nocursorm_height, (unsigned long) 1,
(unsigned long) 0, (unsigned int) 1);
cursor = XCreatePixmapCursor (dp, cur, mask, &black, &white, 0, 0);
XFreePixmap (dp, cur);
XFreePixmap (dp, mask);
XDefineCursor (dp, wi, cursor);
XMapWindow(dp, wi);
GetShmPixmap();
XSetWindowBackgroundPixmap (dp, wi, pixmap);
XSelectInput(dp, wi, KeyPressMask|KeyReleaseMask|ButtonPressMask|
ButtonReleaseMask|PointerMotionMask|LeaveWindowMask|ExposureMask);
atexit( Xuninitialize );
}
int main (void)
{
int i;
int allocateOK;
ximg = NULL;
d = XOpenDisplay (NULL);
if (!d)
fputs ("Couldn't open display\n", stderr), exit (1);
screen = DefaultScreen (d);
gc = DefaultGC (d, screen);
/* Find a visual */
vis.screen = screen;
vlist = XGetVisualInfo (d, VisualScreenMask, &vis, &match);
if (!vlist)
fputs ("No matched visuals\n", stderr), exit (1);
vis = vlist[0];
XFree (vlist);
// That's not a fair comparison colormap_size is depth in bits!
// if (vis.colormap_size < COLORS)
// printf("Colormap is too small: %i.\n",vis.colormap_size); // , exit (1);
printf("Colour depth: %i\n",vis.colormap_size);
win = XCreateSimpleWindow (d, DefaultRootWindow (d),
0, 0, WIN_W, WIN_H, 0,
WhitePixel (d, screen), BlackPixel (d, screen));
int xclass=get_xvisinfo_class(vis);
// printf("class = %i\n",xclass);
stylee = ( vis.depth > 8 ? styleeTrueColor : styleePrivate );
// printf("stylee=%i\n",stylee);
if ( get_xvisinfo_class(vis) % 2 == 1) { /* The odd numbers can redefine colors */
// printf("%i\n",get_xvisinfo_class(vis));
colormap = DefaultColormap (d, screen);
Visual *defaultVisual=DefaultVisual(d,screen);
/* Allocate cells */
allocateOK = (XAllocColorCells (d, colormap, 1,
NULL, 0, color, COLORS) != 0);
// printf("Allocated OK? %i\n",allocateOK);
if (allocateOK) {
// printf("Allocated OK\n");
// This doesn't work for installed colormap!
/* Modify the colorcells */
for (i = 0; i < COLORS; i++)
xrgb[i].pixel = color[i];
XStoreColors (d, colormap, xrgb, COLORS);
} else {
colormap = XCreateColormap(d,win,defaultVisual,AllocNone);
// redocolors();
}
// black = XBlackPixel(d,screen);
// white = XWhitePixel(d,screen);
} else if ( get_xvisinfo_class(vis) == TrueColor) {
colormap = DefaultColormap (d, screen);
// printf("TrueColor %i = %i\n",xclass,TrueColor);
/* This will lookup the color and sets the xrgb[i].pixel value */
// for (i = 0; i < COLORS; i++)
// XAllocColor (d, colormap, &xrgb[i]);
} else
fprintf (stderr, "Not content with visual class %d.\n",
get_xvisinfo_class(vis) ), exit (1);
/* Find out if MITSHM is supported and useable */
printf ("MITSHM: ");
if (XShmQueryVersion (d, &mitshm_major_code,
&mitshm_minor_code, &shared_pixmaps)) {
int (*handler) (Display *, XErrorEvent *);
ximg = XShmCreateImage (d, vis.visual,
vis.depth, XShmPixmapFormat (d),
NULL, &shminfo, WIN_W, WIN_H);
shminfo.shmid = shmget (IPC_PRIVATE,
ximg->bytes_per_line * ximg->height,
IPC_CREAT | 0777);
shminfo.shmaddr = (char *)shmat (shminfo.shmid, 0, 0);
ximg->data = (char *)shminfo.shmaddr;
handler = XSetErrorHandler (mitshm_handler);
XShmAttach (d, &shminfo); /* Tell the server to attach */
XSync (d, 0);
XSetErrorHandler (handler);
shmctl (shminfo.shmid, IPC_RMID, 0);
/* Mark this shm segment for deletion at once. The segment will
* automatically become released when both the server and this
* client have detached from it.
* (Process termination automagically detach shm segments) */
if (!can_use_mitshm) {
shmdt (shminfo.shmaddr);
ximg = NULL;
}
}
if (ximg == NULL) {
can_use_mitshm = 0;
/* XInitImage(ximg); */
ximg = XCreateImage (d, vis.visual, vis.depth, ZPixmap,
0, (char *)malloc (WIN_W * WIN_H), WIN_W, WIN_H, 8, 0);
}
if (can_use_mitshm)
printf ("YES!\n");
else
printf ("NO, using fallback instead.\n");
// DrawFractal (ximg,xrgb);
XSelectInput (d, win, ButtonPressMask | ExposureMask);
XMapWindow (d, win);
real_main();
// XNextEvent (d, &ev);
// switch (ev.type) {
// case ButtonPress:
// should_quit = 1;
// break;
// case Expose:
// if (can_use_mitshm)
// XShmPutImage (d, win, gc, img, 0, 0, 0, 0, WIN_W, WIN_H, True);
// else
// XPutImage (d, win, gc, img, 0, 0, 0, 0, WIN_W, WIN_H);
// break;
// default:
// break;
// }
if (get_xvisinfo_class(vis) % 2 == 1 || get_xvisinfo_class(vis) == TrueColor) {
unsigned long color[COLORS];
if (allocateOK) {
for (i = 0; i < COLORS; i++)
color[i] = xrgb[i].pixel;
XFreeColors (d, colormap, color, COLORS, 0);
} /* Allocated colors freed */
} else {
XUninstallColormap (d, colormap);
}
if (can_use_mitshm) {
XShmDetach (d, &shminfo); /* Server detached */
XDestroyImage (ximg); /* Image struct freed */
shmdt (shminfo.shmaddr); /* We're detached */
} else
XDestroyImage (ximg); /* Image struct freed */
XDestroyWindow (d, win); /* Window removed */
XCloseDisplay (d); /* Display disconnected */
/* So you can see how your computer compares to your friend's */
getrusage (RUSAGE_SELF, &resource_utilization);
float seconds=(float)resource_utilization.ru_utime.tv_sec
+(float)resource_utilization.ru_utime.tv_usec*0.000000001;
printf("CPU seconds per frame: %f\n",seconds/(float)frameno);
// printf ("CPU seconds consumed: %ds and %dµs\n",
// (int) resource_utilization.ru_utime.tv_sec,
// (int) resource_utilization.ru_utime.tv_usec);
return 0;
}
/*
* Setup X11 wnd System
*/
void
X11_SetupWindow (GF_VideoOutput * vout)
{
X11VID ();
const char *sOpt;
xWindow->display = XOpenDisplay (NULL);
xWindow->screennum = DefaultScreen (xWindow->display);
xWindow->screenptr = DefaultScreenOfDisplay (xWindow->display);
xWindow->visual = DefaultVisualOfScreen (xWindow->screenptr);
xWindow->depth = DefaultDepth (xWindow->display, xWindow->screennum);
switch (xWindow->depth) {
case 8:
xWindow->pixel_format = GF_PIXEL_GREYSCALE;
break;
case 16:
xWindow->pixel_format = GF_PIXEL_RGB_565;
break;
case 24:
xWindow->pixel_format = GF_PIXEL_RGB_32;
break;
default:
xWindow->pixel_format = GF_PIXEL_GREYSCALE;
break;
}
xWindow->bpp = xWindow->depth / 8;
xWindow->bpp = xWindow->bpp == 3 ? 4 : xWindow->bpp;
vout->max_screen_width = DisplayWidth(xWindow->display, xWindow->screennum);
vout->max_screen_height = DisplayHeight(xWindow->display, xWindow->screennum);
/*
* Full screen wnd
*/
xWindow->full_wnd = XCreateWindow (xWindow->display,
RootWindowOfScreen (xWindow->screenptr),
0, 0,
vout->max_screen_width,
vout->max_screen_height, 0,
xWindow->depth, InputOutput,
xWindow->visual, 0, NULL);
XSelectInput(xWindow->display, xWindow->full_wnd,
FocusChangeMask | ExposureMask | PointerMotionMask | ButtonReleaseMask | ButtonPressMask | KeyPressMask | KeyReleaseMask);
if (!xWindow->par_wnd) {
xWindow->w_width = 320;
xWindow->w_height = 20;
xWindow->wnd = XCreateWindow (xWindow->display,
RootWindowOfScreen(xWindow->screenptr), 0, 0,
xWindow->w_width, xWindow->w_height, 0,
xWindow->depth, InputOutput,
xWindow->visual, 0, NULL);
XMapWindow (xWindow->display, (Window) xWindow->wnd);
} else {
XWindowAttributes pwa;
XGetWindowAttributes(xWindow->display, xWindow->par_wnd, &pwa);
xWindow->w_width = pwa.width;
xWindow->w_height = pwa.height;
xWindow->wnd = XCreateWindow (xWindow->display, xWindow->par_wnd, pwa.x, pwa.y,
xWindow->w_width, xWindow->w_height, 0,
xWindow->depth, InputOutput,
xWindow->visual, 0, NULL);
XMapWindow (xWindow->display, (Window) xWindow->wnd);
}
XSync(xWindow->display, False);
XUnmapWindow (xWindow->display, (Window) xWindow->wnd);
XSync(xWindow->display, False);
old_handler = XSetErrorHandler(X11_BadAccess_ByPass);
selectinput_err = 0;
XSelectInput(xWindow->display, xWindow->wnd,
FocusChangeMask | StructureNotifyMask | PropertyChangeMask | ExposureMask |
PointerMotionMask | ButtonReleaseMask | ButtonPressMask |
KeyPressMask | KeyReleaseMask);
XSync(xWindow->display, False);
XSetErrorHandler(old_handler);
if (selectinput_err) {
XSelectInput(xWindow->display, xWindow->wnd,
StructureNotifyMask | PropertyChangeMask | ExposureMask |
KeyPressMask | KeyReleaseMask);
GF_LOG(GF_LOG_ERROR, GF_LOG_MMIO, ("[X11] Cannot select input focus\n"));
}
XSync(xWindow->display, False);
XMapWindow (xWindow->display, (Window) xWindow->wnd);
XSizeHints *Hints = XAllocSizeHints ();
Hints->flags = PSize | PMinSize;
Hints->min_width = 32;
Hints->min_height = 32;
Hints->max_height = 4096;
Hints->max_width = 4096;
if (!xWindow->par_wnd) {
XSetWMNormalHints (xWindow->display, xWindow->wnd, Hints);
XStoreName (xWindow->display, xWindow->wnd, "GPAC X11 Output");
}
Hints->x = 0;
Hints->y = 0;
Hints->flags |= USPosition;
XSetWMNormalHints (xWindow->display, xWindow->full_wnd, Hints);
XFree (Hints);
xWindow->the_gc = XCreateGC (xWindow->display, xWindow->wnd, 0, NULL);
xWindow->videoaccesstype = VIDEO_XI_STANDARD;
#ifdef GPAC_HAS_X11_SHM
sOpt = gf_modules_get_option((GF_BaseInterface *)vout, "Video", "UseHardwareMemory");
if (sOpt && !strcmp(sOpt, "yes")) {
int XShmMajor, XShmMinor;
Bool XShmPixmaps;
if (XShmQueryVersion(xWindow->display, &XShmMajor, &XShmMinor, &XShmPixmaps)) {
/*this is disabled due to flip pb (we cannot reposition backbuffer)*/
if (0 && XShmPixmaps && (XShmPixmapFormat(xWindow->display) == ZPixmap)) {
xWindow->videoaccesstype = VIDEO_XI_SHMPIXMAP;
} else {
xWindow->videoaccesstype = VIDEO_XI_SHMSTD;
GF_LOG(GF_LOG_INFO, GF_LOG_MMIO, ("[X11] Using X11 Hardware Blit\n"));
}
}
}
#endif
GF_SAFEALLOC(xWindow->back_buffer, X11WrapSurface);
xWindow->back_buffer->id = -1;
XSetWindowAttributes xsw;
xsw.border_pixel = WhitePixel (xWindow->display, xWindow->screennum);
xsw.background_pixel = BlackPixel (xWindow->display, xWindow->screennum);
xsw.win_gravity = NorthWestGravity;
XChangeWindowAttributes (xWindow->display, xWindow->wnd, CWBackPixel | CWWinGravity, &xsw);
xsw.override_redirect = True;
XChangeWindowAttributes(xWindow->display, xWindow->full_wnd,
CWOverrideRedirect | CWBackPixel | CWBorderPixel | CWWinGravity, &xsw);
if (!xWindow->par_wnd) {
xWindow->WM_DELETE_WINDOW = XInternAtom (xWindow->display, "WM_DELETE_WINDOW", False);
XSetWMProtocols(xWindow->display, xWindow->wnd, &xWindow->WM_DELETE_WINDOW, 1);
}
{
XEvent ev;
long mask;
memset (&ev, 0, sizeof (ev));
ev.xclient.type = ClientMessage;
ev.xclient.window = RootWindowOfScreen (xWindow->screenptr);
ev.xclient.message_type = XInternAtom (xWindow->display, "KWM_KEEP_ON_TOP", False);
ev.xclient.format = 32;
ev.xclient.data.l[0] = xWindow->full_wnd;
ev.xclient.data.l[1] = CurrentTime;
mask = SubstructureRedirectMask;
XSendEvent (xWindow->display,RootWindowOfScreen (xWindow->screenptr), False,
mask, &ev);
}
#ifdef GPAC_HAS_OPENGL
if (xWindow->is_3D_out) {
int attribs[64];
int i;
i=0;
attribs[i++] = GLX_RGBA;
attribs[i++] = GLX_RED_SIZE;
attribs[i++] = 5;
attribs[i++] = GLX_GREEN_SIZE;
attribs[i++] = 5;
attribs[i++] = GLX_BLUE_SIZE;
attribs[i++] = 5;
attribs[i++] = GLX_DEPTH_SIZE;
attribs[i++] = 16;
if (xWindow->gl_cfg.double_buffered) attribs[i++] = GLX_DOUBLEBUFFER;
attribs[i++] = None;
xWindow->glx_visualinfo = glXChooseVisual(xWindow->display, xWindow->screennum, attribs);
if (!xWindow->glx_visualinfo) {
GF_LOG(GF_LOG_ERROR, GF_LOG_MMIO, ("[X11] Error selecting GL display\n"));
}
}
#endif
xWindow->setup_done = 1;
}
