diff options
| -rw-r--r-- | src/opengl/qgl_x11.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/opengl/qgl_x11.cpp b/src/opengl/qgl_x11.cpp index f4cc7c7..61a16be 100644 --- a/src/opengl/qgl_x11.cpp +++ b/src/opengl/qgl_x11.cpp @@ -1651,8 +1651,12 @@ static bool qt_resolveTextureFromPixmap(QPaintDevice *paintDevice) { return false; // Can't use TFP without NPOT } + const QX11Info *xinfo = qt_x11Info(paintDevice); - QGLExtensionMatcher extensions(glXQueryExtensionsString(xinfo->display(), xinfo->screen())); + Display *display = xinfo ? xinfo->display() : X11->display; + int screen = xinfo ? xinfo->screen() : X11->defaultScreen; + + QGLExtensionMatcher extensions(glXQueryExtensionsString(display, screen)); if (extensions.match("GLX_EXT_texture_from_pixmap")) { glXBindTexImageEXT = (qt_glXBindTexImageEXT) qglx_getProcAddress("glXBindTexImageEXT"); glXReleaseTexImageEXT = (qt_glXReleaseTexImageEXT) qglx_getProcAddress("glXReleaseTexImageEXT"); |