void QWaylandShmBackingStore::beginPaint(const QRegion &)
{
mPainting = true;
ensureSize();
if (waylandWindow()->attached() && mBackBuffer == waylandWindow()->attached() && mFrameCallback) {
QWaylandShmWindow *waylandWindow = static_cast<QWaylandShmWindow *>(window()->handle());
Q_ASSERT(waylandWindow->windowType() == QWaylandWindow::Shm);
waylandWindow->waitForFrameSync();
}
}
void QWaylandShmWindowSurface::flush(QWidget *widget, const QRegion ®ion, const QPoint &offset)
{
Q_UNUSED(widget);
Q_UNUSED(offset);
QWaylandShmWindow *waylandWindow = static_cast<QWaylandShmWindow *>(window()->platformWindow());
Q_ASSERT(waylandWindow->windowType() == QWaylandWindow::Shm);
QVector<QRect> rects = region.rects();
for (int i = 0; i < rects.size(); i++) {
const QRect rect = rects.at(i);
wl_buffer_damage(mBuffer->buffer(),rect.x(),rect.y(),rect.width(),rect.height());
waylandWindow->damage(rect);
}
}
void QWaylandShmBackingStore::done(void *data, wl_callback *callback, uint32_t time)
{
Q_UNUSED(time);
QWaylandShmBackingStore *self =
static_cast<QWaylandShmBackingStore *>(data);
if (callback != self->mFrameCallback) // others, like QWaylandWindow, may trigger callbacks too
return;
QWaylandShmWindow *window = self->waylandWindow();
wl_callback_destroy(self->mFrameCallback);
self->mFrameCallback = 0;
if (self->mFrontBuffer != window->attached()) {
delete window->attached();
}
if (window->attached() != self->mFrontBuffer)
window->attachOffset(self->mFrontBuffer);
if (self->mFrontBufferIsDirty && !self->mPainting) {
self->mFrontBufferIsDirty = false;
self->mFrameCallback = wl_surface_frame(window->wl_surface());
wl_callback_add_listener(self->mFrameCallback,&self->frameCallbackListener,self);
window->damage(QRect(QPoint(0,0),self->mFrontBuffer->size()));
}
}
void QWaylandShmWindowSurface::resize(const QSize &size)
{
QWaylandShmWindow *waylandWindow = static_cast<QWaylandShmWindow *>(window()->platformWindow());
Q_ASSERT(waylandWindow->windowType() == QWaylandWindow::Shm);
QWindowSurface::resize(size);
QImage::Format format = QPlatformScreen::platformScreenForWidget(window())->format();
if (mBuffer != NULL && mBuffer->size() == size)
return;
if (mBuffer != NULL)
delete mBuffer;
mBuffer = new QWaylandShmBuffer(mDisplay, size, format);
waylandWindow->attach(mBuffer);
}
void QWaylandShmWindowSurface::beginPaint(const QRegion &)
{
QWaylandShmWindow *waylandWindow = static_cast<QWaylandShmWindow *>(window()->platformWindow());
Q_ASSERT(waylandWindow->windowType() == QWaylandWindow::Shm);
waylandWindow->waitForFrameSync();
}
