--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:FDL$
+** 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://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Free Documentation License Usage
+** Alternatively, this file may be used under the terms of the GNU Free
+** Documentation License version 1.3 as published by the Free Software
+** Foundation and appearing in the file included in the packaging of
+** this file. Please review the following information to ensure
+** the GNU Free Documentation License version 1.3 requirements
+** will be met: http://www.gnu.org/copyleft/fdl.html.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*!
+ \example scenegraph/graph
+ \title Scene Graph - Graph
+ \ingroup qtquickexamples
+
+ \brief Demonstrates how one can combine custom materials and geometries
+ under a single QQuickItem.
+
+ \image graph-example.jpg
+
+ */
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "graph.h"
+
+#include "noisynode.h"
+#include "gridnode.h"
+#include "linenode.h"
+
+Graph::Graph()
+ : m_samplesChanged(false)
+ , m_geometryChanged(false)
+{
+ setFlag(ItemHasContents, true);
+}
+
+
+void Graph::appendSample(qreal value)
+{
+ m_samples << value;
+ m_samplesChanged = true;
+ update();
+}
+
+
+void Graph::removeFirstSample()
+{
+ m_samples.removeFirst();
+ m_samplesChanged = true;
+ update();
+}
+
+void Graph::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
+{
+ m_geometryChanged = true;
+ update();
+ QQuickItem::geometryChanged(newGeometry, oldGeometry);
+}
+
+
+class GraphNode : public QSGNode
+{
+public:
+ NoisyNode *background;
+ GridNode *grid;
+ LineNode *line;
+ LineNode *shadow;
+};
+
+
+QSGNode *Graph::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *)
+{
+ GraphNode *n= static_cast<GraphNode *>(oldNode);
+
+ QRectF rect = boundingRect();
+
+ if (rect.isEmpty()) {
+ delete n;
+ return 0;
+ }
+
+ if (!n) {
+ n = new GraphNode();
+
+ n->background = new NoisyNode(window());
+ n->grid = new GridNode();
+ n->line = new LineNode(10, 0.5, QColor("steelblue"));
+ n->shadow = new LineNode(20, 0.2, QColor::fromRgbF(0.2, 0.2, 0.2, 0.4));
+
+ n->appendChildNode(n->background);
+ n->appendChildNode(n->grid);
+ n->appendChildNode(n->shadow);
+ n->appendChildNode(n->line);
+ }
+
+ if (m_geometryChanged) {
+ n->background->setRect(rect);
+ n->grid->setRect(rect);
+ }
+
+ if (m_geometryChanged || m_samplesChanged) {
+ n->line->updateGeometry(rect, m_samples);
+ // We don't need to calculate the geometry twice, so just steal it from the other one...
+ n->shadow->setGeometry(n->line->geometry());
+ }
+
+ m_geometryChanged = false;
+ m_samplesChanged = false;
+
+ return n;
+}
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef GRAPH_H
+#define GRAPH_H
+
+#include <QQuickItem>
+
+class Graph : public QQuickItem
+{
+ Q_OBJECT
+public:
+ Graph();
+
+protected:
+ QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
+ void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry);
+
+public slots:
+ void appendSample(qreal value);
+ void removeFirstSample();
+
+private:
+ QList<qreal> m_samples;
+
+ bool m_samplesChanged;
+ bool m_geometryChanged;
+};
+
+#endif // GRAPH_H
--- /dev/null
+#-------------------------------------------------
+#
+# Project created by QtCreator 2013-06-11T13:13:18
+#
+#-------------------------------------------------
+
+QT += core gui quick
+
+TARGET = graph
+
+TEMPLATE = app
+
+SOURCES += main.cpp \
+ graph.cpp \
+ noisynode.cpp \
+ gridnode.cpp \
+ linenode.cpp
+
+HEADERS += \
+ graph.h \
+ noisynode.h \
+ gridnode.h \
+ linenode.h
+
+RESOURCES += \
+ graph.qrc
+
+OTHER_FILES += \
+ main.qml \
+ shaders/noisy.vsh \
+ shaders/noisy.fsh \
+ shaders/line.fsh \
+ shaders/line.vsh
+
--- /dev/null
+<RCC>
+ <qresource prefix="/scenegraph/graph">
+ <file>main.qml</file>
+ <file>shaders/noisy.vsh</file>
+ <file>shaders/noisy.fsh</file>
+ <file>shaders/line.vsh</file>
+ <file>shaders/line.fsh</file>
+ </qresource>
+</RCC>
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "gridnode.h"
+
+#include "qmath.h"
+
+#define GRID_SIZE 32
+
+GridNode::GridNode()
+ : m_geometry(QSGGeometry::defaultAttributes_Point2D(), 0)
+{
+ setGeometry(&m_geometry);
+ m_geometry.setDrawingMode(GL_LINES);
+
+ setMaterial(&m_material);
+ m_material.setColor(Qt::gray);
+}
+
+/*
+ * The function hardcodes a fixed set of grid lines and scales
+ * those to the bounding rect.
+ */
+void GridNode::setRect(const QRectF &rect)
+{
+ int vCount = int((rect.width() - 1) / GRID_SIZE);
+ int hCount = int((rect.height() - 1) / GRID_SIZE);
+
+ int lineCount = vCount + hCount;
+
+ QSGGeometry *g = geometry();
+
+ g->allocate(lineCount * 2);
+
+ float x = rect.x();
+ float y = rect.y();
+ float w = rect.width();
+ float h = rect.height();
+
+ QSGGeometry::Point2D *v = g->vertexDataAsPoint2D();
+
+ // Then write the vertical lines
+ for (int i=0; i<vCount; ++i) {
+ float dx = (i + 1) * GRID_SIZE;
+ v[i*2].set(dx, y);
+ v[i*2+1].set(dx, y + h);
+ }
+ v += vCount * 2;
+ // Then write the horizontal lines
+ for (int i=0; i<hCount; ++i) {
+ float dy = (i + 1) * GRID_SIZE;
+ v[i*2].set(x, dy);
+ v[i*2+1].set(x + w, dy);
+ }
+
+ // Tell the scenegraph we updated the geometry..
+ markDirty(QSGNode::DirtyGeometry);
+}
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef GRIDNODE_H
+#define GRIDNODE_H
+
+#include <QtQuick/QSGGeometryNode>
+#include <QtQuick/QSGFlatColorMaterial>
+
+class GridNode : public QSGGeometryNode
+{
+public:
+ GridNode();
+
+ void setRect(const QRectF &rect);
+
+private:
+ QSGFlatColorMaterial m_material;
+ QSGGeometry m_geometry;
+};
+
+#endif // GRIDNODE_H
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "linenode.h"
+
+#include <QtCore/QResource>
+
+#include <QtGui/QColor>
+
+#include <QtQuick/QSGSimpleMaterial>
+
+struct LineMaterial
+{
+ QColor color;
+ float spread;
+ float size;
+};
+
+class LineShader : public QSGSimpleMaterialShader<LineMaterial>
+{
+ QSG_DECLARE_SIMPLE_SHADER(LineShader, LineMaterial)
+
+public:
+ const char *vertexShader() const {
+ QResource r(":/scenegraph/graph/shaders/line.vsh");
+ Q_ASSERT(r.isValid());
+ return (const char *) r.data();
+ }
+
+ const char *fragmentShader() const {
+ QResource r(":/scenegraph/graph/shaders/line.fsh");
+ Q_ASSERT(r.isValid());
+ return (const char *) r.data();
+ }
+
+ QList<QByteArray> attributes() const { return QList<QByteArray>() << "pos" << "t"; }
+
+ void updateState(const LineMaterial *m, const LineMaterial *) {
+ program()->setUniformValue(id_color, m->color);
+ program()->setUniformValue(id_spread, m->spread);
+ program()->setUniformValue(id_size, m->size);
+ }
+
+ void resolveUniforms() {
+ id_spread = program()->uniformLocation("spread");
+ id_size = program()->uniformLocation("size");
+ id_color = program()->uniformLocation("color");
+ }
+
+private:
+ int id_color;
+ int id_spread;
+ int id_size;
+};
+
+struct LineVertex {
+ float x;
+ float y;
+ float t;
+ inline void set(float xx, float yy, float tt) { x = xx; y = yy; t = tt; }
+};
+
+static const QSGGeometry::AttributeSet &attributes()
+{
+ static QSGGeometry::Attribute attr[] = {
+ QSGGeometry::Attribute::create(0, 2, GL_FLOAT, true),
+ QSGGeometry::Attribute::create(1, 1, GL_FLOAT)
+ };
+ static QSGGeometry::AttributeSet set = { 2, 3 * sizeof(float), attr };
+ return set;
+}
+
+LineNode::LineNode(float size, float spread, const QColor &color)
+ : m_geometry(attributes(), 0)
+{
+ setGeometry(&m_geometry);
+ m_geometry.setDrawingMode(GL_TRIANGLE_STRIP);
+
+ QSGSimpleMaterial<LineMaterial> *m = LineShader::createMaterial();
+ m->state()->color = color;
+ m->state()->size = size;
+ m->state()->spread = spread;
+ m->setFlag(QSGMaterial::Blending);
+ setMaterial(m);
+ setFlag(OwnsMaterial);
+}
+
+/*
+ * Assumes that samples have values in the range of 0 to 1 and scales them to
+ * the height of bounds. The samples are stretched out horizontally along the
+ * width of the bounds.
+ *
+ * The position of each pair of points is identical, but we use the third value
+ * "t" to shift the point up or down and to add antialiasing.
+ */
+void LineNode::updateGeometry(const QRectF &bounds, const QList<qreal> &samples)
+{
+ m_geometry.allocate(samples.size() * 2);
+
+ float x = bounds.x();
+ float y = bounds.y();
+ float w = bounds.width();
+ float h = bounds.height();
+
+ float dx = w / (samples.size() - 1);
+
+ LineVertex *v = (LineVertex *) m_geometry.vertexData();
+ for (int i=0; i<samples.size(); ++i) {
+ v[i*2+0].set(x + dx * i, y + samples.at(i) * h, 0);
+ v[i*2+1].set(x + dx * i, y + samples.at(i) * h, 1);
+ }
+
+ markDirty(QSGNode::DirtyGeometry);
+}
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef LINENODE_H
+#define LINENODE_H
+
+#include <QSGGeometryNode>
+
+class LineNode : public QSGGeometryNode
+{
+public:
+ LineNode(float size, float spread, const QColor &color);
+
+ void updateGeometry(const QRectF &bounds, const QList<qreal> &samples);
+
+private:
+ QSGGeometry m_geometry;
+
+};
+
+#endif // LINENODE_H
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QGuiApplication>
+#include <QQuickView>
+
+#include "graph.h"
+#include <QtQml/QQmlContext>
+
+int main(int argc, char *argv[])
+{
+ QGuiApplication a(argc, argv);
+
+ qmlRegisterType<Graph>("Graph", 1, 0, "Graph");
+
+ QQuickView view;
+ view.resize(800, 400);
+ view.setResizeMode(QQuickView::SizeRootObjectToView);
+ view.setSource(QUrl("qrc:///scenegraph/graph/main.qml"));
+ view.show();
+
+ return a.exec();
+}
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+import Graph 1.0
+
+Item {
+ width: 800
+ height: 400
+
+ Graph {
+ id: graph
+ anchors.fill: parent
+ anchors.margins: 100
+
+ function newSample(i) {
+ return (Math.sin(i / 100.0 * Math.PI * 2) + 1) * 0.4 + Math.random() * 0.05;
+ }
+
+ Component.onCompleted: {
+ for (var i=0; i<100; ++i)
+ appendSample(newSample(i));
+ }
+
+ property int offset: 100;
+ }
+
+ Timer {
+ id: timer
+ interval: 500
+ repeat: true
+ running: true
+ onTriggered: {
+ graph.removeFirstSample();
+ graph.appendSample(graph.newSample(++graph.offset));
+ }
+
+ }
+
+ Rectangle {
+ anchors.fill: graph
+ color: "transparent"
+ border.color: "black"
+ border.width: 2
+ }
+
+}
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "noisynode.h"
+
+#include <QtCore/QResource>
+
+#include <QtQuick/QSGSimpleMaterialShader>
+#include <QtQuick/QSGTexture>
+#include <QtQuick/QQuickWindow>
+
+#define NOISE_SIZE 64
+
+struct NoisyMaterial
+{
+ ~NoisyMaterial() {
+ delete texture;
+ }
+
+ QColor color;
+ QSGTexture *texture;
+};
+
+class NoisyShader : public QSGSimpleMaterialShader<NoisyMaterial>
+{
+ QSG_DECLARE_SIMPLE_SHADER(NoisyShader, NoisyMaterial)
+
+public:
+ const char *vertexShader() const {
+ QResource r(":/scenegraph/graph/shaders/noisy.vsh");
+ Q_ASSERT(r.isValid());
+ return (const char *) r.data();
+ }
+
+ const char *fragmentShader() const {
+ QResource r(":/scenegraph/graph/shaders/noisy.fsh");
+ Q_ASSERT(r.isValid());
+ return (const char *) r.data();
+ }
+
+ QList<QByteArray> attributes() const { return QList<QByteArray>() << "aVertex" << "aTexCoord"; }
+
+ void updateState(const NoisyMaterial *m, const NoisyMaterial *) {
+
+ // Set the color
+ program()->setUniformValue(id_color, m->color);
+
+ // Bind the texture and set program to use texture unit 0 (the default)
+ m->texture->bind();
+
+ // Then set the texture size so we can adjust the texture coordinates accordingly in the
+ // vertex shader..
+ QSize s = m->texture->textureSize();
+ program()->setUniformValue(id_textureSize, QSizeF(1.0 / s.width(), 1.0 / s.height()));
+ }
+
+ void resolveUniforms() {
+ id_texture = program()->uniformLocation("texture");
+ id_textureSize = program()->uniformLocation("textureSize");
+ id_color = program()->uniformLocation("color");
+
+ // We will only use texture unit 0, so set it only once.
+ program()->setUniformValue(id_texture, 0);
+ }
+
+private:
+ int id_color;
+ int id_texture;
+ int id_textureSize;
+};
+
+NoisyNode::NoisyNode(QQuickWindow *window)
+{
+ // Make some noise...
+ QImage image(NOISE_SIZE, NOISE_SIZE, QImage::Format_RGB32);
+ uint *data = (uint *) image.bits();
+ for (int i=0; i<NOISE_SIZE * NOISE_SIZE; ++i) {
+ uint g = rand() & 0xff;
+ data[i] = 0xff000000 | (g << 16) | (g << 8) | g;
+ }
+
+ QSGTexture *t = window->createTextureFromImage(image);
+ t->setFiltering(QSGTexture::Nearest);
+ t->setHorizontalWrapMode(QSGTexture::Repeat);
+ t->setVerticalWrapMode(QSGTexture::Repeat);
+
+ QSGSimpleMaterial<NoisyMaterial> *m = NoisyShader::createMaterial();
+ m->state()->texture = t;
+ m->state()->color = QColor::fromRgbF(0.95, 0.95, 0.97);
+ m->setFlag(QSGMaterial::Blending);
+
+ setMaterial(m);
+ setFlag(OwnsMaterial, true);
+
+ QSGGeometry *g = new QSGGeometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4);
+ QSGGeometry::updateTexturedRectGeometry(g, QRect(), QRect());
+ setGeometry(g);
+ setFlag(OwnsGeometry, true);
+}
+
+void NoisyNode::setRect(const QRectF &bounds)
+{
+ QSGGeometry::updateTexturedRectGeometry(geometry(), bounds, QRectF(0, 0, 1, 1));
+ markDirty(QSGNode::DirtyGeometry);
+}
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef NOISYNODE_H
+#define NOISYNODE_H
+
+#include <QSGGeometryNode>
+
+class QQuickWindow;
+
+class NoisyNode : public QSGGeometryNode
+{
+public:
+ NoisyNode(QQuickWindow *window);
+
+ void setRect(const QRectF &bounds);
+};
+
+#endif // NOISYNODE_H
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+uniform lowp vec4 color;
+uniform lowp float qt_Opacity;
+uniform lowp float spread;
+
+varying lowp float vT;
+
+#define PI 3.14159265359
+
+void main(void)
+{
+ lowp float tt = smoothstep(spread, 1.0, sin(vT * PI));
+
+ gl_FragColor = color * qt_Opacity * tt;
+}
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+attribute highp vec4 pos;
+attribute highp float t;
+
+uniform lowp float size;
+uniform highp mat4 qt_Matrix;
+
+varying lowp float vT;
+
+void main(void)
+{
+ vec4 adjustedPos = pos;
+ adjustedPos.y += (t * size);
+ gl_Position = qt_Matrix * adjustedPos;
+
+ vT = t;
+}
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+uniform sampler2D texture;
+uniform lowp float qt_Opacity;
+uniform lowp vec4 color;
+
+varying highp vec2 vTexCoord;
+varying lowp vec2 vShadeCoord;
+
+#define PI 3.14159265359
+
+void main()
+{
+ lowp float shade = texture2D(texture, vTexCoord).r * 0.05 - length(vec2(0.5, 0.4) - vShadeCoord) * 0.3;
+ lowp vec4 c = vec4(color.xyz + shade, color.w);
+ gl_FragColor = c * qt_Opacity;
+}
--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
+** of its contributors may be used to endorse or promote products derived
+** from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+attribute highp vec4 aVertex;
+attribute highp vec2 aTexCoord;
+
+uniform highp mat4 qt_Matrix;
+uniform highp vec2 textureSize;
+
+varying highp vec2 vTexCoord;
+varying lowp vec2 vShadeCoord;
+
+void main() {
+ gl_Position = qt_Matrix * aVertex;
+ vTexCoord = aVertex.xy * textureSize;
+ vShadeCoord = aTexCoord;
+}
projects / platform / upstream / qtdeclarative.git / commitdiff
