Move Timeline and FlameGraph into a common "Tracing" library

This allows us to share code between the two, in particular the QML code
for the Details window, and the theme code. This way we can potentially
deduplicate some code.

Change-Id: I3a0d26b18488bd2a46b5b077b5b5d79ac2dfc5ce
Reviewed-by: Christian Kandeler <[email protected]>
Reviewed-by: Eike Ziller <[email protected]>

1 files changed, 103 insertions, 0 deletions

diff --git a/src/libs/tracing/timelineitemsrenderpass.h b/src/libs/tracing/timelineitemsrenderpass.h
new file mode 100644
index 00000000000..597b1fa98d4
--- /dev/null
+++ b/src/libs/tracing/timelineitemsrenderpass.h
@@ -0,0 +1,103 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "timelineabstractrenderer.h"
+#include "timelinerenderpass.h"
+#include <QSGMaterial>
+
+namespace Timeline {
+
+class TimelineItemsMaterial : public QSGMaterial
+{
+public:
+    TimelineItemsMaterial();
+    QVector2D scale() const;
+    void setScale(QVector2D scale);
+
+    float selectedItem() const;
+    void setSelectedItem(float selectedItem);
+
+    QColor selectionColor() const;
+    void setSelectionColor(QColor selectionColor);
+
+    QSGMaterialType *type() const;
+    QSGMaterialShader *createShader() const;
+
+private:
+    QVector2D m_scale;
+    float m_selectedItem;
+    QColor m_selectionColor;
+};
+
+class OpaqueColoredPoint2DWithSize
+{
+public:
+    enum Direction {
+        InvalidDirection,
+        TopToBottom,
+        BottomToTop,
+        MaximumDirection
+    };
+
+    void set(float nx, float ny, float nw, float nh, float nid, uchar nr, uchar ng, uchar nb,
+             uchar d);
+
+    float top() const;
+    void update(float nr, float ny);
+    Direction direction() const;
+
+    void setBottomLeft(const OpaqueColoredPoint2DWithSize *master);
+    void setBottomRight(const OpaqueColoredPoint2DWithSize *master);
+    void setTopLeft(const OpaqueColoredPoint2DWithSize *master);
+    void setTopRight(const OpaqueColoredPoint2DWithSize *master);
+
+    static const QSGGeometry::AttributeSet &attributes();
+    static OpaqueColoredPoint2DWithSize *fromVertexData(QSGGeometry *geometry);
+
+private:
+    float x, y, w, h, id;
+    unsigned char r, g, b, a;
+
+    void setCommon(const OpaqueColoredPoint2DWithSize *master);
+    void setLeft(const OpaqueColoredPoint2DWithSize *master);
+    void setRight(const OpaqueColoredPoint2DWithSize *master);
+    void setTop(const OpaqueColoredPoint2DWithSize *master);
+    void setBottom(const OpaqueColoredPoint2DWithSize *master);
+};
+
+class TRACING_EXPORT TimelineItemsRenderPass : public TimelineRenderPass
+{
+public:
+    static const TimelineItemsRenderPass *instance();
+    State *update(const TimelineAbstractRenderer *renderer, const TimelineRenderState *parentState,
+                  State *state, int firstIndex, int lastIndex, bool stateChanged,
+                  float spacing) const;
+protected:
+    TimelineItemsRenderPass();
+};
+
+} // namespace Timeline