Пример #1
0
QGLXContext::~QGLXContext()
{
    Q_XCB_NOOP(m_screen->connection());
    if (m_context)
        glXDestroyContext(DISPLAY_FROM_XCB(m_screen), m_context);
    Q_XCB_NOOP(m_screen->connection());
}
Пример #2
0
void QGLXContext::makeCurrent()
{
    Q_XCB_NOOP(m_screen->connection());
    QPlatformGLContext::makeCurrent();
    glXMakeCurrent(DISPLAY_FROM_XCB(m_screen), m_drawable, m_context);
    Q_XCB_NOOP(m_screen->connection());
}
Пример #3
0
void* QGLXContext::getProcAddress(const QString& procName)
{
    Q_XCB_NOOP(m_screen->connection());
    typedef void *(*qt_glXGetProcAddressARB)(const GLubyte *);
    static qt_glXGetProcAddressARB glXGetProcAddressARB = 0;
    static bool resolved = false;

    if (resolved && !glXGetProcAddressARB)
        return 0;
    if (!glXGetProcAddressARB) {
        QList<QByteArray> glxExt = QByteArray(glXGetClientString(DISPLAY_FROM_XCB(m_screen), GLX_EXTENSIONS)).split(' ');
        if (glxExt.contains("GLX_ARB_get_proc_address")) {
#if defined(Q_OS_LINUX) || defined(Q_OS_BSD4)
            void *handle = dlopen(NULL, RTLD_LAZY);
            if (handle) {
                glXGetProcAddressARB = (qt_glXGetProcAddressARB) dlsym(handle, "glXGetProcAddressARB");
                dlclose(handle);
            }
            if (!glXGetProcAddressARB)
#endif
            {
                extern const QString qt_gl_library_name();
//                QLibrary lib(qt_gl_library_name());
                QLibrary lib(QLatin1String("GL"));
                glXGetProcAddressARB = (qt_glXGetProcAddressARB) lib.resolve("glXGetProcAddressARB");
            }
        }
        resolved = true;
    }
    if (!glXGetProcAddressARB)
        return 0;
    return glXGetProcAddressARB(reinterpret_cast<const GLubyte *>(procName.toLatin1().data()));
}
Пример #4
0
void QGLXContext::doneCurrent()
{
    Q_XCB_NOOP(m_screen->connection());
    QPlatformGLContext::doneCurrent();
    glXMakeCurrent(DISPLAY_FROM_XCB(m_screen), 0, 0);
    Q_XCB_NOOP(m_screen->connection());
}
Пример #5
0
void *QXcbGlxWindow::createVisual()
{
    QXcbScreen *scr = xcbScreen();
    if (!scr)
        return Q_NULLPTR;
    return qglx_findVisualInfo(DISPLAY_FROM_XCB(scr), scr->screenNumber(), &m_format);
}
Пример #6
0
void QGLXContext::swapBuffers()
{
    Q_XCB_NOOP(m_screen->connection());
    glXSwapBuffers(DISPLAY_FROM_XCB(m_screen), m_drawable);
    doneCurrent();
    Q_XCB_NOOP(m_screen->connection());
}
Пример #7
0
QGLXContext::QGLXContext(Window window, QXcbScreen *screen, const QPlatformWindowFormat &format)
    : QPlatformGLContext()
    , m_screen(screen)
    , m_drawable((Drawable)window)
    , m_context(0)
{
    Q_XCB_NOOP(m_screen->connection());
    const QPlatformGLContext *sharePlatformContext;
    sharePlatformContext = format.sharedGLContext();
    GLXContext shareGlxContext = 0;
    if (sharePlatformContext)
        shareGlxContext = static_cast<const QGLXContext*>(sharePlatformContext)->glxContext();

    GLXFBConfig config = qglx_findConfig(DISPLAY_FROM_XCB(screen),screen->screenNumber(),format);
    m_context = glXCreateNewContext(DISPLAY_FROM_XCB(screen), config, GLX_RGBA_TYPE, shareGlxContext, TRUE);
    m_windowFormat = qglx_platformWindowFromGLXFBConfig(DISPLAY_FROM_XCB(screen), config, m_context);
    Q_XCB_NOOP(m_screen->connection());
}
Пример #8
0
xcb_cursor_t QXcbCursor::createFontCursor(int cshape)
{
    xcb_connection_t *conn = xcb_connection();
    int cursorId = cursorIdForShape(cshape);
    xcb_cursor_t cursor = XCB_NONE;

    // Try Xcursor first
#ifdef XCB_USE_XLIB
    if (cshape >= 0 && cshape <= Qt::LastCursor) {
        void *dpy = connection()->xlib_display();
        // special case for non-standard dnd-* cursors
        cursor = loadCursor(dpy, cshape);
        if (!cursor && !m_gtkCursorThemeInitialized && m_screen->xSettings()->initialized()) {
            QByteArray gtkCursorTheme = m_screen->xSettings()->setting("Gtk/CursorThemeName").toByteArray();
            m_screen->xSettings()->registerCallbackForProperty("Gtk/CursorThemeName",cursorThemePropertyChanged,this);
            if (updateCursorTheme(dpy,gtkCursorTheme)) {
                cursor = loadCursor(dpy, cshape);
            }
            m_gtkCursorThemeInitialized = true;
        }
    }
    if (cursor)
        return cursor;
    if (!cursor && cursorId) {
        cursor = XCreateFontCursor(DISPLAY_FROM_XCB(this), cursorId);
        if (cursor)
            return cursor;
    }

#endif

    // Non-standard X11 cursors are created from bitmaps
    cursor = createNonStandardCursor(cshape);

    // Create a glpyh cursor if everything else failed
    if (!cursor && cursorId) {
        cursor = xcb_generate_id(conn);
        xcb_create_glyph_cursor(conn, cursor, cursorFont, cursorFont,
                                cursorId, cursorId + 1,
                                0xFFFF, 0xFFFF, 0xFFFF, 0, 0, 0);
    }

    if (cursor && cshape >= 0 && cshape < Qt::LastCursor && connection()->hasXFixes()) {
        const char *name = cursorNames[cshape];
        xcb_xfixes_set_cursor_name(conn, cursor, strlen(name), name);
    }

    return cursor;
}
Пример #9
0
QXcbWindow::QXcbWindow(QWidget *tlw)
    : QPlatformWindow(tlw)
    , m_context(0)
{
    m_screen = static_cast<QXcbScreen *>(QPlatformScreen::platformScreenForWidget(tlw));

    setConnection(m_screen->connection());

    const quint32 mask = XCB_CW_BACK_PIXMAP | XCB_CW_EVENT_MASK;
    const quint32 values[] = {
        // XCB_CW_BACK_PIXMAP
        XCB_NONE,
        // XCB_CW_EVENT_MASK
        XCB_EVENT_MASK_EXPOSURE
        | XCB_EVENT_MASK_STRUCTURE_NOTIFY
        | XCB_EVENT_MASK_KEY_PRESS
        | XCB_EVENT_MASK_KEY_RELEASE
        | XCB_EVENT_MASK_BUTTON_PRESS
        | XCB_EVENT_MASK_BUTTON_RELEASE
        | XCB_EVENT_MASK_BUTTON_MOTION
        | XCB_EVENT_MASK_ENTER_WINDOW
        | XCB_EVENT_MASK_LEAVE_WINDOW
        | XCB_EVENT_MASK_PROPERTY_CHANGE
        | XCB_EVENT_MASK_FOCUS_CHANGE
    };

#if defined(XCB_USE_GLX) || defined(XCB_USE_EGL)
    if (tlw->platformWindowFormat().windowApi() == QPlatformWindowFormat::OpenGL
            && QApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL)
            || tlw->platformWindowFormat().alpha())
    {
#if defined(XCB_USE_GLX)
        XVisualInfo *visualInfo = qglx_findVisualInfo(DISPLAY_FROM_XCB(m_screen),m_screen->screenNumber(), tlw->platformWindowFormat());
#elif defined(XCB_USE_EGL)
        EGLDisplay eglDisplay = connection()->egl_display();
        EGLConfig eglConfig = q_configFromQPlatformWindowFormat(eglDisplay,tlw->platformWindowFormat(),true);
        VisualID id = QXlibEglIntegration::getCompatibleVisualId(DISPLAY_FROM_XCB(this), eglDisplay, eglConfig);

        XVisualInfo visualInfoTemplate;
        memset(&visualInfoTemplate, 0, sizeof(XVisualInfo));
        visualInfoTemplate.visualid = id;

        XVisualInfo *visualInfo;
        int matchingCount = 0;
        visualInfo = XGetVisualInfo(DISPLAY_FROM_XCB(this), VisualIDMask, &visualInfoTemplate, &matchingCount);
#endif //XCB_USE_GLX
        if (visualInfo) {
            m_depth = visualInfo->depth;
            m_format = (m_depth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32;
            Colormap cmap = XCreateColormap(DISPLAY_FROM_XCB(this), m_screen->root(), visualInfo->visual, AllocNone);

            XSetWindowAttributes a;
            a.background_pixel = WhitePixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
            a.border_pixel = BlackPixel(DISPLAY_FROM_XCB(this), m_screen->screenNumber());
            a.colormap = cmap;
            m_window = XCreateWindow(DISPLAY_FROM_XCB(this), m_screen->root(), tlw->x(), tlw->y(), tlw->width(), tlw->height(),
                                     0, visualInfo->depth, InputOutput, visualInfo->visual,
                                     CWBackPixel|CWBorderPixel|CWColormap, &a);

            printf("created GL window: %d\n", m_window);
        } else {
            qFatal("no window!");
        }
    } else
#endif //defined(XCB_USE_GLX) || defined(XCB_USE_EGL)
    {
        m_window = xcb_generate_id(xcb_connection());
        m_depth = m_screen->screen()->root_depth;
        m_format = (m_depth == 32) ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32;

        Q_XCB_CALL(xcb_create_window(xcb_connection(),
                                     XCB_COPY_FROM_PARENT,            // depth -- same as root
                                     m_window,                        // window id
                                     m_screen->root(),                // parent window id
                                     tlw->x(),
                                     tlw->y(),
                                     tlw->width(),
                                     tlw->height(),
                                     0,                               // border width
                                     XCB_WINDOW_CLASS_INPUT_OUTPUT,   // window class
                                     m_screen->screen()->root_visual, // visual
                                     0,                               // value mask
                                     0));                             // value list

        printf("created regular window: %d\n", m_window);
    }

    Q_XCB_CALL(xcb_change_window_attributes(xcb_connection(), m_window, mask, values));

    xcb_atom_t properties[4];
    int propertyCount = 0;
    properties[propertyCount++] = atom(QXcbAtom::WM_DELETE_WINDOW);
    properties[propertyCount++] = atom(QXcbAtom::WM_TAKE_FOCUS);
    properties[propertyCount++] = atom(QXcbAtom::_NET_WM_PING);

    if (m_screen->syncRequestSupported())
        properties[propertyCount++] = atom(QXcbAtom::_NET_WM_SYNC_REQUEST);

    if (tlw->windowFlags() & Qt::WindowContextHelpButtonHint)
        properties[propertyCount++] = atom(QXcbAtom::_NET_WM_CONTEXT_HELP);

    Q_XCB_CALL(xcb_change_property(xcb_connection(),
                                   XCB_PROP_MODE_REPLACE,
                                   m_window,
                                   atom(QXcbAtom::WM_PROTOCOLS),
                                   XCB_ATOM_ATOM,
                                   32,
                                   propertyCount,
                                   properties));
    m_syncValue.hi = 0;
    m_syncValue.lo = 0;

    if (m_screen->syncRequestSupported()) {
        m_syncCounter = xcb_generate_id(xcb_connection());
        Q_XCB_CALL(xcb_sync_create_counter(xcb_connection(), m_syncCounter, m_syncValue));

        Q_XCB_CALL(xcb_change_property(xcb_connection(),
                                       XCB_PROP_MODE_REPLACE,
                                       m_window,
                                       atom(QXcbAtom::_NET_WM_SYNC_REQUEST_COUNTER),
                                       XCB_ATOM_CARDINAL,
                                       32,
                                       1,
                                       &m_syncCounter));
    }

    if (isTransient(tlw) && tlw->parentWidget()) {
        // ICCCM 4.1.2.6
        QWidget *p = tlw->parentWidget()->window();
        xcb_window_t parentWindow = p->winId();
        Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
                                       XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 32,
                                       1, &parentWindow));

    }

    // set the PID to let the WM kill the application if unresponsive
    long pid = getpid();
    Q_XCB_CALL(xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window,
                                   atom(QXcbAtom::_NET_WM_PID), XCB_ATOM_CARDINAL, 32,
                                   1, &pid));
}