ThreadedCoordinatedLayerTreeHost.cpp [plain text]
#include "config.h"
#include "ThreadedCoordinatedLayerTreeHost.h"
#if USE(COORDINATED_GRAPHICS_THREADED)
#include "AcceleratedSurface.h"
#include "WebPage.h"
#include <WebCore/FrameView.h>
#include <WebCore/MainFrame.h>
using namespace WebCore;
namespace WebKit {
Ref<ThreadedCoordinatedLayerTreeHost> ThreadedCoordinatedLayerTreeHost::create(WebPage& webPage)
{
return adoptRef(*new ThreadedCoordinatedLayerTreeHost(webPage));
}
ThreadedCoordinatedLayerTreeHost::~ThreadedCoordinatedLayerTreeHost()
{
}
ThreadedCoordinatedLayerTreeHost::ThreadedCoordinatedLayerTreeHost(WebPage& webPage)
: CoordinatedLayerTreeHost(webPage)
, m_compositorClient(*this)
, m_surface(AcceleratedSurface::create(webPage))
{
if (m_surface) {
TextureMapper::PaintFlags paintFlags = 0;
if (m_surface->shouldPaintMirrored())
paintFlags |= TextureMapper::PaintingMirrored;
m_compositor = ThreadedCompositor::create(m_compositorClient, m_surface->window(), ThreadedCompositor::ShouldDoFrameSync::No, paintFlags);
m_layerTreeContext.contextID = m_surface->surfaceID();
} else
m_compositor = ThreadedCompositor::create(m_compositorClient);
}
void ThreadedCoordinatedLayerTreeHost::invalidate()
{
m_compositor->invalidate();
CoordinatedLayerTreeHost::invalidate();
m_surface = nullptr;
}
void ThreadedCoordinatedLayerTreeHost::forceRepaint()
{
CoordinatedLayerTreeHost::forceRepaint();
m_compositor->forceRepaint();
}
void ThreadedCoordinatedLayerTreeHost::scrollNonCompositedContents(const IntRect& rect)
{
FrameView* frameView = m_webPage.mainFrameView();
if (!frameView || !frameView->delegatesScrolling())
return;
m_viewportController.didScroll(rect.location());
didChangeViewport();
}
void ThreadedCoordinatedLayerTreeHost::contentsSizeChanged(const IntSize& newSize)
{
m_viewportController.didChangeContentsSize(newSize);
didChangeViewport();
}
void ThreadedCoordinatedLayerTreeHost::deviceOrPageScaleFactorChanged()
{
if (m_surface && m_surface->resize(m_webPage.size()))
m_layerTreeContext.contextID = m_surface->surfaceID();
CoordinatedLayerTreeHost::deviceOrPageScaleFactorChanged();
m_compositor->setScaleFactor(m_webPage.deviceScaleFactor() * m_viewportController.pageScaleFactor());
}
void ThreadedCoordinatedLayerTreeHost::pageBackgroundTransparencyChanged()
{
CoordinatedLayerTreeHost::pageBackgroundTransparencyChanged();
m_compositor->setDrawsBackground(m_webPage.drawsBackground());
}
void ThreadedCoordinatedLayerTreeHost::sizeDidChange(const IntSize& size)
{
if (m_surface && m_surface->resize(size))
m_layerTreeContext.contextID = m_surface->surfaceID();
CoordinatedLayerTreeHost::sizeDidChange(size);
m_viewportController.didChangeViewportSize(size);
IntSize scaledSize(size);
scaledSize.scale(m_webPage.deviceScaleFactor());
m_compositor->setViewportSize(scaledSize, m_webPage.deviceScaleFactor() * m_viewportController.pageScaleFactor());
didChangeViewport();
}
void ThreadedCoordinatedLayerTreeHost::didChangeViewportProperties(const ViewportAttributes& attr)
{
m_viewportController.didChangeViewportAttributes(attr);
didChangeViewport();
}
#if PLATFORM(GTK) && PLATFORM(X11) && !USE(REDIRECTED_XCOMPOSITE_WINDOW)
void ThreadedCoordinatedLayerTreeHost::setNativeSurfaceHandleForCompositing(uint64_t handle)
{
m_layerTreeContext.contextID = handle;
m_compositor->setNativeSurfaceHandleForCompositing(handle);
scheduleLayerFlush();
}
#endif
void ThreadedCoordinatedLayerTreeHost::didChangeViewport()
{
FloatRect visibleRect(m_viewportController.visibleContentsRect());
if (visibleRect.isEmpty())
return;
FrameView* view = m_webPage.corePage()->mainFrame().view();
Scrollbar* scrollbar = view->verticalScrollbar();
if (scrollbar && !scrollbar->isOverlayScrollbar())
visibleRect.expand(scrollbar->width(), 0);
scrollbar = view->horizontalScrollbar();
if (scrollbar && !scrollbar->isOverlayScrollbar())
visibleRect.expand(0, scrollbar->height());
CoordinatedLayerTreeHost::setVisibleContentsRect(visibleRect, FloatPoint::zero());
float pageScale = m_viewportController.pageScaleFactor();
IntPoint scrollPosition = roundedIntPoint(visibleRect.location());
if (m_lastScrollPosition != scrollPosition) {
m_lastScrollPosition = scrollPosition;
m_compositor->setScrollPosition(m_lastScrollPosition, m_webPage.deviceScaleFactor() * pageScale);
if (!view->useFixedLayout())
view->notifyScrollPositionChanged(m_lastScrollPosition);
}
if (m_lastPageScaleFactor != pageScale) {
m_lastPageScaleFactor = pageScale;
m_webPage.scalePage(pageScale, m_lastScrollPosition);
}
}
void ThreadedCoordinatedLayerTreeHost::commitSceneState(const CoordinatedGraphicsState& state)
{
CoordinatedLayerTreeHost::commitSceneState(state);
m_compositor->updateSceneState(state);
}
}
#endif // USE(COORDINATED_GRAPHICS)