diff options
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbconnection.cpp | 68 | ||||
| -rw-r--r-- | src/plugins/platforms/xcb/qxcbconnection.h | 1 |
2 files changed, 67 insertions, 2 deletions
diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp index a2ce392151..032f307cca 100644 --- a/src/plugins/platforms/xcb/qxcbconnection.cpp +++ b/src/plugins/platforms/xcb/qxcbconnection.cpp @@ -126,6 +126,39 @@ static int ioErrorHandler(Display *dpy) } #endif +#if defined(XCB_HAS_XCB_GLX) && XCB_GLX_MAJOR_VERSION == 1 && XCB_GLX_MINOR_VERSION < 4 + +#define XCB_GLX_BUFFER_SWAP_COMPLETE 1 + +typedef struct xcb_glx_buffer_swap_complete_event_t { + uint8_t response_type; + uint8_t pad0; + uint16_t sequence; + uint16_t event_type; + uint8_t pad1[2]; + xcb_glx_drawable_t drawable; + uint32_t ust_hi; + uint32_t ust_lo; + uint32_t msc_hi; + uint32_t msc_lo; + uint32_t sbc; +} xcb_glx_buffer_swap_complete_event_t; +#endif + +#if defined(XCB_USE_XLIB) && defined(XCB_USE_GLX) +typedef struct { + int type; + unsigned long serial; /* # of last request processed by server */ + Bool send_event; /* true if this came from a SendEvent request */ + Display *display; /* Display the event was read from */ + Drawable drawable; /* drawable on which event was requested in event mask */ + int event_type; + int64_t ust; + int64_t msc; + int64_t sbc; +} QGLXBufferSwapComplete; +#endif + QXcbScreen* QXcbConnection::findOrCreateScreen(QList<QXcbScreen *>& newScreens, int screenNumber, xcb_screen_t* xcbScreen, xcb_randr_get_output_info_reply_t *output) { @@ -287,6 +320,7 @@ QXcbConnection::QXcbConnection(QXcbNativeInterface *nativeInterface, bool canGra , xfixes_first_event(0) , xrandr_first_event(0) , xkb_first_event(0) + , glx_first_event(0) , has_glx_extension(false) , has_shape_extension(false) , has_randr_extension(false) @@ -969,14 +1003,43 @@ void QXcbConnection::handleXcbEvent(xcb_generic_event_t *event) // XESetWireToEvent might be used by libraries to intercept messages from the X server e.g. the OpenGL lib waiting for DRI2 events. Display *xdisplay = (Display *)m_xlib_display; XLockDisplay(xdisplay); + bool locked = true; Bool (*proc)(Display*, XEvent*, xEvent*) = XESetWireToEvent(xdisplay, response_type, 0); if (proc) { XESetWireToEvent(xdisplay, response_type, proc); XEvent dummy; event->sequence = LastKnownRequestProcessed(m_xlib_display); - proc(xdisplay, &dummy, (xEvent*)event); + if (proc(xdisplay, &dummy, (xEvent*)event)) { +#if defined(XCB_USE_GLX) && defined(XCB_HAS_XCB_GLX) + // DRI2 clients don't receive GLXBufferSwapComplete events on the wire. + // Instead the GLX event is synthesized from the DRI2BufferSwapComplete event + // by DRI2WireToEvent(). For an application to be able to see the event + // we have to convert it to an xcb_glx_buffer_swap_complete_event_t and + // pass it to the native event filter. + const uint swap_complete = glx_first_event + XCB_GLX_BUFFER_SWAP_COMPLETE; + if (dispatcher && has_glx_extension && uint(dummy.type) == swap_complete && response_type != swap_complete) { + QGLXBufferSwapComplete *xev = reinterpret_cast<QGLXBufferSwapComplete *>(&dummy); + xcb_glx_buffer_swap_complete_event_t ev; + memset(&ev, 0, sizeof(xcb_glx_buffer_swap_complete_event_t)); + ev.response_type = xev->type; + ev.sequence = xev->serial; + ev.event_type = xev->event_type; + ev.drawable = xev->drawable; + ev.ust_hi = xev->ust >> 32; + ev.ust_lo = xev->ust & 0xffffffff; + ev.msc_hi = xev->msc >> 32; + ev.msc_lo = xev->msc & 0xffffffff; + ev.sbc = xev->sbc & 0xffffffff; + // Unlock the display before calling the native event filter + XUnlockDisplay(xdisplay); + locked = false; + handled = dispatcher->filterNativeEvent(m_nativeInterface->genericEventFilterType(), &ev, &result); + } +#endif + } } - XUnlockDisplay(xdisplay); + if (locked) + XUnlockDisplay(xdisplay); } #endif @@ -1629,6 +1692,7 @@ void QXcbConnection::initializeGLX() return; has_glx_extension = true; + glx_first_event = reply->first_event; xcb_generic_error_t *error = 0; xcb_glx_query_version_cookie_t xglx_query_cookie = xcb_glx_query_version(m_connection, diff --git a/src/plugins/platforms/xcb/qxcbconnection.h b/src/plugins/platforms/xcb/qxcbconnection.h index 9e9865a2e9..418cdfa6b4 100644 --- a/src/plugins/platforms/xcb/qxcbconnection.h +++ b/src/plugins/platforms/xcb/qxcbconnection.h @@ -619,6 +619,7 @@ private: uint32_t xfixes_first_event; uint32_t xrandr_first_event; uint32_t xkb_first_event; + uint32_t glx_first_event; bool has_glx_extension; bool has_shape_extension; |