/* FIXME: bits is currently unused */
GLWindow * createGLWindow(struct display_camera *camera)
{
GLWindow *x11_gl_window = New( GLWindow );
XVisualInfo *vi;
Colormap cmap;
int dpyWidth, dpyHeight;
int i;
int glxMajorVersion, glxMinorVersion;
int vidModeMajorVersion, vidModeMinorVersion;
XF86VidModeModeInfo **modes;
int modeNum;
int bestMode;
Atom wmDelete;
Window winDummy;
unsigned int borderDummy;
MemSet( x11_gl_window, 0, sizeof( GLWindow ) );
camera->hVidCore->x11_gl_window = x11_gl_window;
x11_gl_window->fs = 0;//fullscreenflag;
/* set best mode to current */
bestMode = 0;
/* get a connection */
x11_gl_window->dpy = XOpenDisplay(0);
if( x11_gl_window->dpy )
{
x11_gl_window->screen = DefaultScreen(x11_gl_window->dpy);
#if 0
x11_gl_window->atom_create = XInternAtom( x11_gl_window->dpy, "UserCreateWindow", 0 );
XF86VidModeQueryVersion(x11_gl_window->dpy, &vidModeMajorVersion,
&vidModeMinorVersion);
printf("XF86VidModeExtension-Version %d.%d\n", vidModeMajorVersion,
vidModeMinorVersion);
if( x11_gl_window->fs )
{
XF86VidModeGetAllModeLines(x11_gl_window->dpy, x11_gl_window->screen, &modeNum, &modes);
/* save desktop-resolution before switching modes */
x11_gl_window->deskMode = *modes[0];
/* look for mode with requested resolution */
for (i = 0; i < modeNum; i++)
{
if ((modes[i]->hdisplay == camera->w) && (modes[i]->vdisplay == camera->h))
{
bestMode = i;
}
}
}
#endif
/* get an appropriate visual */
vi = glXChooseVisual(x11_gl_window->dpy, x11_gl_window->screen, attrListDbl);
if (vi == NULL)
{
vi = glXChooseVisual(x11_gl_window->dpy, x11_gl_window->screen, attrListSgl);
x11_gl_window->doubleBuffered = False;
printf("Only Singlebuffered Visual!\n");
}
else
{
x11_gl_window->doubleBuffered = True;
printf("Got Doublebuffered Visual!\n");
}
glXQueryVersion(x11_gl_window->dpy, &glxMajorVersion, &glxMinorVersion);
printf("glX-Version %d.%d\n", glxMajorVersion, glxMinorVersion);
/* create a GLX context */
x11_gl_window->ctx = glXCreateContext(x11_gl_window->dpy, vi, 0, GL_TRUE);
/* create a color map */
lprintf( "colormap..." );
cmap = XCreateColormap(x11_gl_window->dpy, RootWindow(x11_gl_window->dpy, vi->screen),
vi->visual, AllocNone);
x11_gl_window->attr.colormap = cmap;
x11_gl_window->attr.border_pixel = 0;
x11_gl_window->attr.event_mask = ExposureMask
| KeyPressMask
| KeyReleaseMask
| ButtonPressMask
| ButtonReleaseMask
| ButtonMotionMask
| PointerMotionMask
| StructureNotifyMask;
if (x11_gl_window->fs)
{
XF86VidModeSwitchToMode(x11_gl_window->dpy, x11_gl_window->screen, modes[bestMode]);
XF86VidModeSetViewPort(x11_gl_window->dpy, x11_gl_window->screen, 0, 0);
dpyWidth = modes[bestMode]->hdisplay;
dpyHeight = modes[bestMode]->vdisplay;
printf("Resolution %dx%d\n", dpyWidth, dpyHeight);
XFree(modes);
/* create a fullscreen window */
x11_gl_window->attr.override_redirect = True;
x11_gl_window->win = XCreateWindow(x11_gl_window->dpy, RootWindow(x11_gl_window->dpy, vi->screen),
0, 0, dpyWidth, dpyHeight, 0, vi->depth, InputOutput, vi->visual,
CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect,
&x11_gl_window->attr);
XWarpPointer(x11_gl_window->dpy, None, x11_gl_window->win, 0, 0, 0, 0, 0, 0);
XMapRaised(x11_gl_window->dpy, x11_gl_window->win);
XGrabKeyboard(x11_gl_window->dpy, x11_gl_window->win, True, GrabModeAsync,
GrabModeAsync, CurrentTime);
XGrabPointer(x11_gl_window->dpy, x11_gl_window->win, True, ButtonPressMask,
GrabModeAsync, GrabModeAsync, x11_gl_window->win, None, CurrentTime);
}
else
{
/* create a window in window mode*/
lprintf( "create window... %d,%d %d", camera->w, camera->h, vi->depth );
x11_gl_window->win = XCreateWindow(x11_gl_window->dpy, RootWindow(x11_gl_window->dpy, vi->screen),
0, 0, camera->w, camera->h, 0, vi->depth, InputOutput, vi->visual,
CWBorderPixel | CWColormap | CWEventMask, &x11_gl_window->attr);
/* only set window title and handle wm_delete_events if in windowed mode */
wmDelete = XInternAtom(x11_gl_window->dpy, "WM_DELETE_WINDOW", True);
XSetWMProtocols(x11_gl_window->dpy, x11_gl_window->win, &wmDelete, 1);
XSetStandardProperties(x11_gl_window->dpy, x11_gl_window->win, "No Title",
"No Title", None, NULL, 0, NULL);
XMapRaised(x11_gl_window->dpy, x11_gl_window->win);
}
/* connect the glx-context to the window */
SetActiveGLDisplayView( camera, 0 );
//glXMakeCurrent(x11_gl_window->dpy, x11_gl_window->win, x11_gl_window->ctx);
XGetGeometry(x11_gl_window->dpy, x11_gl_window->win, &winDummy, &x11_gl_window->x, &x11_gl_window->y,
&x11_gl_window->width, &x11_gl_window->height, &borderDummy, &x11_gl_window->depth);
printf("Depth %d\n", x11_gl_window->depth);
if (glXIsDirect(x11_gl_window->dpy, x11_gl_window->ctx))
printf("Congrats, you have Direct Rendering!\n");
else
printf("Sorry, no Direct Rendering possible!\n");
}
else
{
lprintf( "Failed to open display" );
return NULL;
}
return x11_gl_window;
}
RENDER_PROC( int, SetActiveGLDisplay )( PVIDEO hDisplay )
{
return SetActiveGLDisplayView( hDisplay, 0 );
}
