QMLProfiler: Use scene graph for painting events in timeline

By using the scene graph we can retain the geometry for events in
the timeline on the GPU and potentially speed up the rendering for
large amounts of items.

Change-Id: I2cfbb8ef4ebc7b56f1977ec1facb4f2e7f2002ee
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>

src/plugins/qmlprofiler/qml/MainView.qml

@@ -416,106 +416,80 @@ Rectangle {
             signal clearChildren
             signal select(int modelIndex, int eventIndex)
 
-
             DelegateModel {
                 id: timelineModel
                 model: qmlProfilerModelProxy.models
-                delegate: Item {
-                    id: spacer
+                delegate: TimelineRenderer {
+                    id: renderer
+                    model: modelData
+                    notes: qmlProfilerModelProxy.notes
+                    zoomer: zoomControl
+                    selectionLocked: root.selectionLocked
+                    x: 0
+
                     height: modelData.height
-                    width: flick.contentWidth
                     property int visualIndex: DelegateModel.itemsIndex
 
-                    TimelineRenderer {
-                        id: renderer
-                        model: modelData
-                        notes: qmlProfilerModelProxy.notes
-                        zoomer: zoomControl
-                        selectionLocked: root.selectionLocked
-                        x: flick.contentX
-
-                        // paint "under" the vertical scrollbar, so that it always matches with the
-                        // timemarks
-                        width: scroller.width
-                        property int yScrollStartDiff: flick.contentY - parent.y
-                        property int yScrollEndDiff: flick.height - parent.height + yScrollStartDiff
-                        y: Math.min(parent.height, Math.max(0, yScrollStartDiff))
-                        height: {
-                            if (yScrollStartDiff > 0) {
-                                return Math.max(0, Math.min(flick.height,
-                                                            parent.height - yScrollStartDiff));
-                            } else if (yScrollEndDiff < 0) {
-                                return Math.max(0, Math.min(flick.height,
-                                                            parent.height + yScrollEndDiff));
-                            } else {
-                                return parent.height;
-                            }
-                        }
-
-                        Connections {
-                            target: timelineView
-                            onClearChildren: renderer.clearData()
-                            onSelect: {
-                                if (modelIndex === index || modelIndex === -1) {
-                                    renderer.selectedItem = eventIndex;
-                                    if (eventIndex !== -1)
-                                        renderer.recenter();
-                                }
-                            }
-                        }
+                    // paint "under" the vertical scrollbar, so that it always matches with the
+                    // timemarks
+                    width: flick.contentWidth
 
-                        Connections {
-                            target: root
-                            onSelectionLockedChanged: {
-                                renderer.selectionLocked = root.selectionLocked;
+                    Connections {
+                        target: timelineView
+                        onClearChildren: renderer.clearData()
+                        onSelect: {
+                            if (modelIndex === index || modelIndex === -1) {
+                                renderer.selectedItem = eventIndex;
+                                if (eventIndex !== -1)
+                                    renderer.recenter();
                             }
                         }
+                    }
 
+                    Connections {
+                        target: root
                         onSelectionLockedChanged: {
-                            root.selectionLocked = renderer.selectionLocked;
+                            renderer.selectionLocked = root.selectionLocked;
                         }
+                    }
 
-                        function recenter() {
-                            if (modelData.endTime(selectedItem) < zoomer.rangeStart ||
-                                    modelData.startTime(selectedItem) > zoomer.rangeEnd) {
+                    onSelectionLockedChanged: {
+                        root.selectionLocked = renderer.selectionLocked;
+                    }
 
-                                var newStart = (modelData.startTime(selectedItem) +
-                                                modelData.endTime(selectedItem) -
-                                                zoomer.rangeDuration) / 2;
-                                zoomer.setRange(Math.max(newStart, zoomer.traceStart),
-                                                Math.min(newStart + zoomer.rangeDuration,
-                                                         zoomer.traceEnd));
-                            }
+                    function recenter() {
+                        if (modelData.endTime(selectedItem) < zoomer.rangeStart ||
+                                modelData.startTime(selectedItem) > zoomer.rangeEnd) {
 
-                            if (spacer.y + spacer.height < flick.contentY)
-                                flick.contentY = spacer.y + spacer.height;
-                            else if (spacer.y - flick.height > flick.contentY)
-                                flick.contentY = spacer.y - flick.height;
-
-                            var row = modelData.row(selectedItem);
-                            var rowStart = modelData.rowOffset(row);
-                            var rowEnd = rowStart + modelData.rowHeight(row);
-                            if (rowStart < y)
-                                flick.contentY -= y - rowStart;
-                            else if (rowEnd > y + height)
-                                flick.contentY += rowEnd - y - height;
+                            var newStart = (modelData.startTime(selectedItem) +
+                                            modelData.endTime(selectedItem) -
+                                            zoomer.rangeDuration) / 2;
+                            zoomer.setRange(Math.max(newStart, zoomer.traceStart),
+                                            Math.min(newStart + zoomer.rangeDuration,
+                                                     zoomer.traceEnd));
                         }
 
-                        onSelectedItemChanged: {
-                            root.propagateSelection(index, selectedItem);
-                        }
+                        var row = modelData.row(selectedItem);
+                        var rowStart = modelData.rowOffset(row) + y;
+                        var rowEnd = rowStart + modelData.rowHeight(row);
+                        if (rowStart < flick.contentY || rowEnd - scroller.height > flick.contentY)
+                            flick.contentY = (rowStart + rowEnd - scroller.height) / 2;
+                    }
 
-                        onItemPressed: {
-                            if (pressedItem === -1) {
-                                // User clicked on empty space. Remove selection.
-                                root.propagateSelection(-1, -1);
-                            } else {
-                                var location = model.location(pressedItem);
-                                if (location.hasOwnProperty("file")) // not empty
-                                    root.gotoSourceLocation(location.file, location.line, location.column);
-                                root.typeId = model.typeId(pressedItem);
-                                root.updateCursorPosition();
-                            }
+                    onSelectedItemChanged: {
+                        root.propagateSelection(index, selectedItem);
+                    }
+
+                    onItemPressed: {
+                        if (pressedItem === -1) {
+                            // User clicked on empty space. Remove selection.
+                            root.propagateSelection(-1, -1);
+                        } else {
+                            var location = model.location(pressedItem);
+                            if (location.hasOwnProperty("file")) // not empty
+                                root.gotoSourceLocation(location.file, location.line, location.column);
+                            root.typeId = model.typeId(pressedItem);
+                            root.updateCursorPosition();
                         }
                     }
                 }

src/plugins/qmlprofiler/qml/bindingloops.frag

+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+vec4 orange = vec4(1.0, 165.0 / 255.0, 0.0, 1.0);
+void main()
+{
+    gl_FragColor = orange;
+}

src/plugins/qmlprofiler/qml/bindingloops.vert

+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+attribute vec4 vertexCoord;
+attribute vec2 postScaleOffset;
+
+uniform mat4 matrix;
+
+void main()
+{
+    gl_Position = matrix * vertexCoord;
+    gl_Position.x += postScaleOffset.x * 0.005;
+    gl_Position.y += postScaleOffset.y * 0.01;
+    gl_Position.z -= 0.1;
+    gl_Position.w = 1.0;
+}

src/plugins/qmlprofiler/qml/notes.frag

+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+vec4 orange = vec4(1.0, 165.0 / 255.0, 0.0, 1.0);
+varying float d;
+
+void main()
+{
+    gl_FragColor = orange * float(d < (2.0 / 3.0) || d > (5.0 / 6.0));
+}

src/plugins/qmlprofiler/qml/notes.vert

+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+attribute vec4 vertexCoord;
+attribute float distanceFromTop;
+
+uniform mat4 matrix;
+varying float d;
+
+void main()
+{
+    gl_Position = matrix * vertexCoord;
+    gl_Position.z -= 0.1;
+    gl_Position.w = 1.0;
+    d = distanceFromTop;
+}

src/plugins/qmlprofiler/qml/qmlprofiler.qrc

@@ -30,5 +30,11 @@
         <file>ico_note.png</file>
         <file>ButtonsBar.qml</file>
         <file>ico_filter.png</file>
+        <file>timelineitems.vert</file>
+        <file>timelineitems.frag</file>
+        <file>bindingloops.vert</file>
+        <file>bindingloops.frag</file>
+        <file>notes.vert</file>
+        <file>notes.frag</file>
     </qresource>
 </RCC>

src/plugins/qmlprofiler/qml/timelineitems.frag

+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+varying lowp vec3 edgeColor;
+varying lowp vec3 color;
+varying lowp vec2 barycentric;
+
+vec4 zero = vec4(0.0);
+void main()
+{
+    vec2 d = fwidth(barycentric) * 5.0;
+    vec4 edge_closeness = smoothstep(zero, vec4(d.x, d.y, d.x, d.y),
+            vec4(barycentric.x, barycentric.y, 1.0 - barycentric.x, 1.0 - barycentric.y));
+    float total = min(min(edge_closeness[0], edge_closeness[1]),
+            min(edge_closeness[2], edge_closeness[3]));
+    // square to make lines sharper
+    total = total > 0.5 ? (1.0 - (1.0 - total) * (1.0 - total) * 2.0) : total * total * 2.0;
+    gl_FragColor.rgb = mix(edgeColor, color, total);
+}

src/plugins/qmlprofiler/qml/timelineitems.vert

+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+attribute vec4 vertexCoord;
+attribute vec2 rectSize;
+attribute float selectionId;
+attribute vec4 vertexColor;
+
+uniform vec2 scale;
+uniform mat4 matrix;
+uniform vec4 selectionColor;
+uniform float selectedItem;
+
+varying vec3 color;
+varying vec3 edgeColor;
+varying vec2 barycentric;
+
+void main()
+{
+    gl_Position = matrix * vertexCoord;
+
+    // Make very narrow events somewhat wider so that they don't collapse into 0 pixels
+    highp float scaledWidth = scale.x * rectSize.x;
+    highp float shift = sign(scaledWidth) * max(0, 3.0 - abs(scaledWidth)) * 0.0005;
+    gl_Position.x += shift;
+
+    // Ditto for events with very small height
+    highp float scaledHeight = scale.y * rectSize.y;
+    gl_Position.y += float(rectSize.y > 0.0) * max(0, 3.0 - scaledHeight) * 0.003;
+
+    barycentric = vec2(rectSize.x > 0.0 ? 1.0 : 0.0, rectSize.y > 0.0 ? 1.0 : 0.0);
+    color = vertexColor.rgb;
+    float selected = min(1.0, abs(selectionId - selectedItem));
+    edgeColor = mix(selectionColor.rgb, vertexColor.rgb, selected);
+    gl_Position.z += mix(0.0, (shift + 0.0015) / 10.0, selected);
+    gl_Position.w = 1.0;
+}

src/plugins/qmlprofiler/qmlprofiler.pro

@@ -34,7 +34,13 @@ SOURCES += \
     timelinemodel.cpp \
     timelinemodelaggregator.cpp \
     timelinerenderer.cpp \
-    timelinezoomcontrol.cpp
+    timelinezoomcontrol.cpp \
+    timelineitemsrenderpass.cpp \
+    qmlprofilerbindingloopsrenderpass.cpp \
+    timelineselectionrenderpass.cpp \
+    timelinenotesrenderpass.cpp \
+    timelinerenderpass.cpp \
+    timelinerenderstate.cpp
 
 HEADERS += \
     abstractqmlprofilerrunner.h \
@@ -71,7 +77,13 @@ HEADERS += \
     timelinemodel_p.h \
     timelinemodelaggregator.h \
     timelinerenderer.h \
-    timelinezoomcontrol.h
+    timelinezoomcontrol.h \
+    timelineitemsrenderpass.h \
+    qmlprofilerbindingloopsrenderpass.h \
+    timelineselectionrenderpass.h \
+    timelinenotesrenderpass.h \
+    timelinerenderpass.h \
+    timelinerenderstate.h
 
 RESOURCES += \
     qml/qmlprofiler.qrc
@@ -87,4 +99,10 @@ DISTFILES += \
     qml/TimeMarks.qml \
     qml/SelectionRange.qml \
     qml/SelectionRangeDetails.qml \
-    qml/Overview.qml
+    qml/Overview.qml \
+    qml/timelineitems.frag \
+    qml/timelineitems.vert \
+    qml/bindingloops.frag \
+    qml/bindingloops.vert \
+    qml/notes.frag \
+    qml/notes.vert

src/plugins/qmlprofiler/qmlprofiler.qbs

@@ -26,6 +26,7 @@ QtcPlugin {
             "qmlprofileranimationsmodel.h", "qmlprofileranimationsmodel.cpp",
             "qmlprofilerattachdialog.cpp", "qmlprofilerattachdialog.h",
             "qmlprofilerbasemodel.cpp", "qmlprofilerbasemodel.h", "qmlprofilerbasemodel_p.h",
+            "qmlprofilerbindingloopsrenderpass.cpp","qmlprofilerbindingloopsrenderpass.h",
             "qmlprofilerclientmanager.cpp", "qmlprofilerclientmanager.h",
             "qmlprofilerconstants.h",
             "qmlprofilerdatamodel.cpp", "qmlprofilerdatamodel.h",
@@ -49,9 +50,14 @@ QtcPlugin {
             "qmlprofilerviewmanager.cpp", "qmlprofilerviewmanager.h",
             "qv8profilerdatamodel.cpp", "qv8profilerdatamodel.h",
             "qv8profilereventview.h", "qv8profilereventview.cpp",
+            "timelineitemsrenderpass.cpp", "timelineitemsrenderpass.h",
             "timelinemodel.cpp", "timelinemodel.h", "timelinemodel_p.h",
             "timelinemodelaggregator.cpp", "timelinemodelaggregator.h",
+            "timelinenotesrenderpass.cpp", "timelinenotesrenderpass.h",
             "timelinerenderer.cpp", "timelinerenderer.h",
+            "timelinerenderpass.cpp", "timelinerenderpass.h",
+            "timelinerenderstate.cpp", "timelinerenderstate.h",
+            "timelineselectionrenderpass.cpp", "timelineselectionrenderpass.h",
             "timelinezoomcontrol.cpp", "timelinezoomcontrol.h"
         ]
     }
@@ -72,7 +78,15 @@ QtcPlugin {
             "SelectionRangeDetails.qml",
             "TimeDisplay.qml",
             "TimeMarks.qml",
+
             "qmlprofiler.qrc",
+
+            "bindingloops.frag",
+            "bindingloops.vert",
+            "notes.frag",
+            "notes.vert",
+            "timelineitems.frag",
+            "timelineitems.vert"
         ]
     }
 }

src/plugins/qmlprofiler/qmlprofilerbindingloopsrenderpass.h

+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef QMLPROFILERBINDINGLOOPSRENDERPASS_H
+#define QMLPROFILERBINDINGLOOPSRENDERPASS_H
+
+#include "timelinerenderer.h"
+#include "timelinerenderpass.h"
+#include "timelinerenderstate.h"
+#include "qmlprofilerrangemodel.h"
+#include <QSGMaterial>
+
+namespace QmlProfiler {
+namespace Internal {
+
+class QmlProfilerBindingLoopsRenderPass : public TimelineRenderPass
+{
+public:
+    static const QmlProfilerBindingLoopsRenderPass *instance();
+    State *update(const TimelineRenderer *renderer, const TimelineRenderState *parentState,
+                  State *oldState, int indexFrom, int indexTo, bool stateChanged,
+                  qreal spacing) const;
+protected:
+    QmlProfilerBindingLoopsRenderPass();
+};
+
+}
+}
+
+#endif // QMLPROFILERBINDINGLOOPSRENDERPASS_H
+

src/plugins/qmlprofiler/qmlprofilerrangemodel.cpp

@@ -31,6 +31,10 @@
 #include "qmlprofilerrangemodel.h"
 #include "qmlprofilermodelmanager.h"
 #include "qmlprofilerdatamodel.h"
+#include "qmlprofilerbindingloopsrenderpass.h"
+#include "timelinenotesrenderpass.h"
+#include "timelineitemsrenderpass.h"
+#include "timelineselectionrenderpass.h"
 
 #include <QCoreApplication>
 #include <QVector>
@@ -61,6 +65,11 @@ void QmlProfilerRangeModel::clear()
     QmlProfilerTimelineModel::clear();
 }
 
+bool QmlProfilerRangeModel::supportsBindingLoops() const
+{
+    return rangeType() == QmlDebug::Binding || rangeType() == QmlDebug::HandlingSignal;
+}
+
 void QmlProfilerRangeModel::loadData()
 {
     clear();
@@ -97,7 +106,8 @@ void QmlProfilerRangeModel::loadData()
 
     updateProgress(4, 6);
 
-    findBindingLoops();