void QSGDistanceFieldGlyphCache::update() { m_populatingGlyphs.clear(); if (m_pendingGlyphs.isEmpty()) return; bool profileFrames = QSG_LOG_TIME_GLYPH().isDebugEnabled(); if (profileFrames) qsg_render_timer.start(); Q_QUICK_SG_PROFILE_START(QQuickProfiler::SceneGraphAdaptationLayerFrame); QList<QDistanceField> distanceFields; for (int i = 0; i < m_pendingGlyphs.size(); ++i) { GlyphData &gd = glyphData(m_pendingGlyphs.at(i)); distanceFields.append(QDistanceField(gd.path, m_pendingGlyphs.at(i), m_doubleGlyphResolution)); gd.path = QPainterPath(); // no longer needed, so release memory used by the painter path } qint64 renderTime = 0; int count = m_pendingGlyphs.size(); if (profileFrames) renderTime = qsg_render_timer.nsecsElapsed(); Q_QUICK_SG_PROFILE_RECORD(QQuickProfiler::SceneGraphAdaptationLayerFrame); m_pendingGlyphs.reset(); storeGlyphs(distanceFields); #if defined(QSG_DISTANCEFIELD_CACHE_DEBUG) foreach (Texture texture, m_textures) saveTexture(texture.textureId, texture.size.width(), texture.size.height()); #endif if (QSG_LOG_TIME_GLYPH().isDebugEnabled()) { quint64 now = qsg_render_timer.elapsed(); qCDebug(QSG_LOG_TIME_GLYPH, "distancefield: %d glyphs prepared in %dms, rendering=%d, upload=%d", count, (int) now, int(renderTime / 1000000), int((now - (renderTime / 1000000)))); } Q_QUICK_SG_PROFILE_END_WITH_PAYLOAD(QQuickProfiler::SceneGraphAdaptationLayerFrame, (qint64)count); }
void QSGSoftwareRenderLoop::renderWindow(QQuickWindow *window, bool isNewExpose) { QQuickWindowPrivate *cd = QQuickWindowPrivate::get(window); if (!m_windows.contains(window)) return; WindowData &data = const_cast<WindowData &>(m_windows[window]); //If were not in grabOnly mode, dont render a non-renderable window if (!data.grabOnly && !cd->isRenderable()) return; //Resize the backing store if necessary if (m_backingStores[window]->size() != window->size()) { m_backingStores[window]->resize(window->size()); } // ### create QPainter and set up pointer to current window/painter QSGSoftwareRenderContext *ctx = static_cast<QSGSoftwareRenderContext*>(cd->context); ctx->initializeIfNeeded(); bool alsoSwap = data.updatePending; data.updatePending = false; if (!data.grabOnly) { cd->flushFrameSynchronousEvents(); // Event delivery/processing triggered the window to be deleted or stop rendering. if (!m_windows.contains(window)) return; } QElapsedTimer renderTimer; qint64 renderTime = 0, syncTime = 0, polishTime = 0; bool profileFrames = QSG_RASTER_LOG_TIME_RENDERLOOP().isDebugEnabled(); if (profileFrames) renderTimer.start(); Q_QUICK_SG_PROFILE_START(QQuickProfiler::SceneGraphPolishFrame); cd->polishItems(); if (profileFrames) polishTime = renderTimer.nsecsElapsed(); Q_QUICK_SG_PROFILE_SWITCH(QQuickProfiler::SceneGraphPolishFrame, QQuickProfiler::SceneGraphRenderLoopFrame, QQuickProfiler::SceneGraphPolishPolish); emit window->afterAnimating(); cd->syncSceneGraph(); rc->endSync(); if (profileFrames) syncTime = renderTimer.nsecsElapsed(); Q_QUICK_SG_PROFILE_RECORD(QQuickProfiler::SceneGraphRenderLoopFrame, QQuickProfiler::SceneGraphRenderLoopSync); //Tell the renderer about the windows backing store auto softwareRenderer = static_cast<QSGSoftwareRenderer*>(cd->renderer); if (softwareRenderer) softwareRenderer->setBackingStore(m_backingStores[window]); cd->renderSceneGraph(window->size()); if (profileFrames) renderTime = renderTimer.nsecsElapsed(); Q_QUICK_SG_PROFILE_RECORD(QQuickProfiler::SceneGraphRenderLoopFrame, QQuickProfiler::SceneGraphRenderLoopRender); if (data.grabOnly) { grabContent = m_backingStores[window]->handle()->toImage(); data.grabOnly = false; } if (alsoSwap && window->isVisible()) { //Flush backingstore to window if (!isNewExpose) m_backingStores[window]->flush(softwareRenderer->flushRegion()); else m_backingStores[window]->flush(QRegion(QRect(QPoint(0,0), window->size()))); cd->fireFrameSwapped(); } qint64 swapTime = 0; if (profileFrames) swapTime = renderTimer.nsecsElapsed(); Q_QUICK_SG_PROFILE_END(QQuickProfiler::SceneGraphRenderLoopFrame, QQuickProfiler::SceneGraphRenderLoopSwap); if (QSG_RASTER_LOG_TIME_RENDERLOOP().isDebugEnabled()) { static QTime lastFrameTime = QTime::currentTime(); qCDebug(QSG_RASTER_LOG_TIME_RENDERLOOP, "Frame rendered with 'software' renderloop in %dms, polish=%d, sync=%d, render=%d, swap=%d, frameDelta=%d", int(swapTime / 1000000), int(polishTime / 1000000), int((syncTime - polishTime) / 1000000), int((renderTime - syncTime) / 1000000), int((swapTime - renderTime) / 10000000), int(lastFrameTime.msecsTo(QTime::currentTime()))); lastFrameTime = QTime::currentTime(); } // Might have been set during syncSceneGraph() if (data.updatePending) maybeUpdate(window); }