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());
}
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());
}
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()));
}
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());
}
void *QXcbGlxWindow::createVisual()
{
QXcbScreen *scr = xcbScreen();
if (!scr)
return Q_NULLPTR;
return qglx_findVisualInfo(DISPLAY_FROM_XCB(scr), scr->screenNumber(), &m_format);
}
void QGLXContext::swapBuffers()
{
Q_XCB_NOOP(m_screen->connection());
glXSwapBuffers(DISPLAY_FROM_XCB(m_screen), m_drawable);
doneCurrent();
Q_XCB_NOOP(m_screen->connection());
}
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());
}
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;
}
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));
}