/// Update the specified region of the widget.
/// \param widget The target Qt widget.
/// \param rect The region inside the widget.
/// \param waveform The waveform used to update screen. If it's INVALID, the default
/// waveform is applied.
/// \param update_whole Update whole screen or not.
/// \param wait The synchronous way between ScreenProxy and server.
void ScreenProxy::updateWidgetRegion(const QWidget *widget,
const QRect &rect,
Waveform waveform,
bool update_whole,
ScreenCommand::WaitMode wait)
{
if (!isUpdateEnabled() && waveform != onyx::screen::ScreenProxy::DW)
{
return;
}
QRect & rc = screenRegion(widget, &rect);
if (waveform == INVALID)
{
waveform = waveform_;
}
// Construct command.
command_.type = ScreenCommand::SYNC_AND_UPDATE;
command_.top = rc.top();
command_.left = rc.left();
command_.width = rc.width();
command_.height = rc.height();
command_.waveform = waveform;
if (update_whole)
{
command_.update_flags = ScreenCommand::FULL_UPDATE;
}
else
{
command_.update_flags = ScreenCommand::PARTIAL_UPDATE;
}
sendCommand(command_, wait);
}
/// This function asks screen daemon to copy data from
/// Qt framebuffer to display controller.
/// \param widget The source widget to copy data from.
/// \param region The region inside the widget. If it's NULL, all data in
/// widget is copied to display controller.
QRect & ScreenProxy::sync(const QWidget *widget,
const QRect * region)
{
QRect & rc = screenRegion(widget, region);
command_.type = ScreenCommand::SYNC;
command_.top = rc.top();
command_.left = rc.left();
command_.width = rc.width();
command_.height = rc.height();
sendCommand(command_);
return rc;
}
float
LayerManagerComposite::ComputeRenderIntegrity()
{
// We only ever have incomplete rendering when progressive tiles are enabled.
Layer* root = GetRoot();
if (!gfxPlatform::GetPlatform()->UseProgressivePaint() || !root) {
return 1.f;
}
FrameMetrics rootMetrics = LayerMetricsWrapper::TopmostScrollableMetrics(root);
if (!rootMetrics.IsScrollable()) {
// The root may not have any scrollable metrics, in which case rootMetrics
// will just be an empty FrameMetrics. Instead use the actual metrics from
// the root layer.
rootMetrics = LayerMetricsWrapper(root).Metrics();
}
ParentLayerIntRect bounds = RoundedToInt(rootMetrics.GetCompositionBounds());
IntRect screenRect(bounds.x,
bounds.y,
bounds.width,
bounds.height);
float lowPrecisionMultiplier = 1.0f;
float highPrecisionMultiplier = 1.0f;
#ifdef MOZ_WIDGET_ANDROID
// Use the transform on the primary scrollable layer and its FrameMetrics
// to find out how much of the viewport the current displayport covers
nsTArray<Layer*> rootScrollableLayers;
GetRootScrollableLayers(rootScrollableLayers);
if (rootScrollableLayers.Length() > 0) {
// This is derived from the code in
// AsyncCompositionManager::TransformScrollableLayer
Layer* rootScrollable = rootScrollableLayers[0];
const FrameMetrics& metrics = LayerMetricsWrapper::TopmostScrollableMetrics(rootScrollable);
Matrix4x4 transform = rootScrollable->GetEffectiveTransform();
transform.PostScale(metrics.GetPresShellResolution(), metrics.GetPresShellResolution(), 1);
// Clip the screen rect to the document bounds
Rect documentBounds =
transform.TransformBounds(Rect(metrics.GetScrollableRect().x - metrics.GetScrollOffset().x,
metrics.GetScrollableRect().y - metrics.GetScrollOffset().y,
metrics.GetScrollableRect().width,
metrics.GetScrollableRect().height));
documentBounds.RoundOut();
screenRect = screenRect.Intersect(IntRect(documentBounds.x, documentBounds.y,
documentBounds.width, documentBounds.height));
// If the screen rect is empty, the user has scrolled entirely into
// over-scroll and so we can be considered to have full integrity.
if (screenRect.IsEmpty()) {
return 1.0f;
}
// Work out how much of the critical display-port covers the screen
bool hasLowPrecision = false;
if (!metrics.GetCriticalDisplayPort().IsEmpty()) {
hasLowPrecision = true;
highPrecisionMultiplier =
GetDisplayportCoverage(metrics.GetCriticalDisplayPort(), transform, screenRect);
}
// Work out how much of the display-port covers the screen
if (!metrics.GetDisplayPort().IsEmpty()) {
if (hasLowPrecision) {
lowPrecisionMultiplier =
GetDisplayportCoverage(metrics.GetDisplayPort(), transform, screenRect);
} else {
lowPrecisionMultiplier = highPrecisionMultiplier =
GetDisplayportCoverage(metrics.GetDisplayPort(), transform, screenRect);
}
}
}
// If none of the screen is covered, we have zero integrity.
if (highPrecisionMultiplier <= 0.0f && lowPrecisionMultiplier <= 0.0f) {
return 0.0f;
}
#endif // MOZ_WIDGET_ANDROID
nsIntRegion screenRegion(screenRect);
nsIntRegion lowPrecisionScreenRegion(screenRect);
Matrix4x4 transform;
ComputeRenderIntegrityInternal(root, screenRegion,
lowPrecisionScreenRegion, transform);
if (!screenRegion.IsEqual(screenRect)) {
// Calculate the area of the region. All rects in an nsRegion are
// non-overlapping.
float screenArea = screenRect.width * screenRect.height;
float highPrecisionIntegrity = screenRegion.Area() / screenArea;
float lowPrecisionIntegrity = 1.f;
if (!lowPrecisionScreenRegion.IsEqual(screenRect)) {
lowPrecisionIntegrity = lowPrecisionScreenRegion.Area() / screenArea;
}
return ((highPrecisionIntegrity * highPrecisionMultiplier) +
(lowPrecisionIntegrity * lowPrecisionMultiplier)) / 2;
}
return 1.f;
}
float
LayerManagerComposite::ComputeRenderIntegrity()
{
// We only ever have incomplete rendering when progressive tiles are enabled.
Layer* root = GetRoot();
if (!gfxPrefs::UseProgressiveTilePainting() || !root) {
return 1.f;
}
const FrameMetrics& rootMetrics = root->GetFrameMetrics();
ParentLayerIntRect bounds = RoundedToInt(rootMetrics.mCompositionBounds);
nsIntRect screenRect(bounds.x,
bounds.y,
bounds.width,
bounds.height);
float lowPrecisionMultiplier = 1.0f;
float highPrecisionMultiplier = 1.0f;
#ifdef MOZ_ANDROID_OMTC
// Use the transform on the primary scrollable layer and its FrameMetrics
// to find out how much of the viewport the current displayport covers
Layer* primaryScrollable = GetPrimaryScrollableLayer();
if (primaryScrollable) {
// This is derived from the code in
// AsyncCompositionManager::TransformScrollableLayer
const FrameMetrics& metrics = primaryScrollable->GetFrameMetrics();
Matrix4x4 transform = primaryScrollable->GetEffectiveTransform();
transform.ScalePost(metrics.mResolution.scale, metrics.mResolution.scale, 1);
// Clip the screen rect to the document bounds
Rect documentBounds =
transform.TransformBounds(Rect(metrics.mScrollableRect.x - metrics.GetScrollOffset().x,
metrics.mScrollableRect.y - metrics.GetScrollOffset().y,
metrics.mScrollableRect.width,
metrics.mScrollableRect.height));
documentBounds.RoundOut();
screenRect = screenRect.Intersect(nsIntRect(documentBounds.x, documentBounds.y,
documentBounds.width, documentBounds.height));
// If the screen rect is empty, the user has scrolled entirely into
// over-scroll and so we can be considered to have full integrity.
if (screenRect.IsEmpty()) {
return 1.0f;
}
// Work out how much of the critical display-port covers the screen
bool hasLowPrecision = false;
if (!metrics.mCriticalDisplayPort.IsEmpty()) {
hasLowPrecision = true;
highPrecisionMultiplier =
GetDisplayportCoverage(metrics.mCriticalDisplayPort, transform, screenRect);
}
// Work out how much of the display-port covers the screen
if (!metrics.mDisplayPort.IsEmpty()) {
if (hasLowPrecision) {
lowPrecisionMultiplier =
GetDisplayportCoverage(metrics.mDisplayPort, transform, screenRect);
} else {
lowPrecisionMultiplier = highPrecisionMultiplier =
GetDisplayportCoverage(metrics.mDisplayPort, transform, screenRect);
}
}
}
// If none of the screen is covered, we have zero integrity.
if (highPrecisionMultiplier <= 0.0f && lowPrecisionMultiplier <= 0.0f) {
return 0.0f;
}
#endif // MOZ_ANDROID_OMTC
nsIntRegion screenRegion(screenRect);
nsIntRegion lowPrecisionScreenRegion(screenRect);
Matrix4x4 transform;
ComputeRenderIntegrityInternal(root, screenRegion,
lowPrecisionScreenRegion, transform);
if (!screenRegion.IsEqual(screenRect)) {
// Calculate the area of the region. All rects in an nsRegion are
// non-overlapping.
float screenArea = screenRect.width * screenRect.height;
float highPrecisionIntegrity = screenRegion.Area() / screenArea;
float lowPrecisionIntegrity = 1.f;
if (!lowPrecisionScreenRegion.IsEqual(screenRect)) {
lowPrecisionIntegrity = lowPrecisionScreenRegion.Area() / screenArea;
}
return ((highPrecisionIntegrity * highPrecisionMultiplier) +
(lowPrecisionIntegrity * lowPrecisionMultiplier)) / 2;
}
return 1.f;
}
