QWindow *QXcbScreen::topLevelAt(const QPoint &p) const
{
xcb_window_t root = m_screen->root;
int x = p.x();
int y = p.y();
xcb_window_t parent = root;
xcb_window_t child = root;
do {
xcb_translate_coordinates_cookie_t translate_cookie =
xcb_translate_coordinates_unchecked(xcb_connection(), parent, child, x, y);
xcb_translate_coordinates_reply_t *translate_reply =
xcb_translate_coordinates_reply(xcb_connection(), translate_cookie, NULL);
if (!translate_reply) {
return 0;
}
parent = child;
child = translate_reply->child;
x = translate_reply->dst_x;
y = translate_reply->dst_y;
free(translate_reply);
if (!child || child == root)
return 0;
QPlatformWindow *platformWindow = connection()->platformWindowFromId(child);
if (platformWindow)
return platformWindow->window();
} while (parent != child);
return 0;
}
void QOpenWFDGLContext::swapBuffers(QPlatformSurface *surface)
{
glFlush();
QPlatformWindow *window = static_cast<QPlatformWindow *>(surface);
QOpenWFDScreen *screen = static_cast<QOpenWFDScreen *>(QPlatformScreen::platformScreenForWindow(window->window()));
screen->swapBuffers();
}
bool QOpenWFDGLContext::makeCurrent(QPlatformSurface *surface)
{
Q_ASSERT(surface->surface()->surfaceType() == QSurface::OpenGLSurface);
EGLDisplay display = mWfdDevice->eglDisplay();
EGLContext context = mWfdDevice->eglContext();
if (!eglMakeCurrent(display,EGL_NO_SURFACE,EGL_NO_SURFACE,context)) {
qDebug("GLContext: eglMakeCurrent FAILED!");
}
QPlatformWindow *window = static_cast<QPlatformWindow *>(surface);
QOpenWFDScreen *screen = static_cast<QOpenWFDScreen *>(QPlatformScreen::platformScreenForWindow(window->window()));
screen->bindFramebuffer();
return true;
}
bool QKmsContext::makeCurrent(QPlatformSurface *surface)
{
Q_ASSERT(surface->surface()->supportsOpenGL());
EGLDisplay display = m_device->eglDisplay();
EGLSurface eglSurface;
if (surface->surface()->surfaceClass() == QSurface::Window) {
QPlatformWindow *window = static_cast<QPlatformWindow *>(surface);
QKmsScreen *screen = static_cast<QKmsScreen *>(QPlatformScreen::platformScreenForWindow(window->window()));
eglSurface = screen->eglSurface();
screen->waitForPageFlipComplete();
} else {
eglSurface = static_cast<QKmsOffscreenWindow *>(surface)->surface();
}
bool ok = eglMakeCurrent(display, eglSurface, eglSurface, m_eglContext);
if (!ok)
qWarning("QKmsContext::makeCurrent(): eglError: %x, this: %p",
eglGetError(), this);
return true;
}
void QKmsContext::swapBuffers(QPlatformSurface *surface)
{
//Cast context to a window surface and get the screen the context
//is on and call swapBuffers on that screen.
QPlatformWindow *window = static_cast<QPlatformWindow *>(surface);
QKmsScreen *screen = static_cast<QKmsScreen *> (QPlatformScreen::platformScreenForWindow(window->window()));
screen->swapBuffers();
}