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diff --git a/tools/qt3d/qglinfo/fpswidget.cpp b/tools/qt3d/qglinfo/fpswidget.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the Qt3D module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "fpswidget.h"
+
+#include <QtCore/qtimer.h>
+#include <QtCore/qdatetime.h>
+
+static GLfloat materialColor[] = { 0.1f, 0.85f, 0.25f, 1.0f };
+
+// dont drive the updates any faster than every this many millisecondss
+#define MAX_ANIM_FREQUENCY 5
+
+#define QGL_CUBE_SIZE (6 * 6 * (3 + 3))
+static float const cubeVertices[QGL_CUBE_SIZE] = {
+ -0.5f, -0.5f, -0.5f, -1.0f, 0.0f, 0.0f,
+ -0.5f, -0.5f, 0.5f, -1.0f, 0.0f, 0.0f,
+ -0.5f, 0.5f, 0.5f, -1.0f, 0.0f, 0.0f,
+ -0.5f, -0.5f, -0.5f, -1.0f, 0.0f, 0.0f,
+ -0.5f, 0.5f, 0.5f, -1.0f, 0.0f, 0.0f,
+ -0.5f, 0.5f, -0.5f, -1.0f, 0.0f, 0.0f,
+
+ -0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,
+ -0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f,
+ 0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f,
+ -0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,
+ 0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f,
+ 0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,
+
+ 0.5f, 0.5f, -0.5f, 1.0f, 0.0f, 0.0f,
+ 0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 0.0f,
+ 0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 0.0f,
+ 0.5f, 0.5f, -0.5f, 1.0f, 0.0f, 0.0f,
+ 0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 0.0f,
+ 0.5f, -0.5f, -0.5f, 1.0f, 0.0f, 0.0f,
+
+ 0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f,
+ 0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f,
+ -0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f,
+ 0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f,
+ -0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f,
+ -0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f,
+
+ 0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
+ 0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
+ -0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
+ 0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
+ -0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
+ -0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
+
+ 0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
+ 0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
+ -0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
+ 0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
+ -0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
+ -0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
+};
+
+FPSWidget::FPSWidget(QWidget *parent)
+ : QGLWidget(parent)
+ , time(new QTime())
+ , frameTime(new QTime())
+ , timer(new QTimer(this))
+ , goAwayTimer(new QTimer(this))
+ , xrot(0)
+ , yrot(0)
+ , zrot(0)
+ , frameElapsed(0)
+ , frameCount(0)
+ , totalFrameTime(0)
+{
+ setAttribute(Qt::WA_DeleteOnClose);
+ setWindowTitle(tr("Generating Frames/Second"));
+ time->start();
+ frameTime->start();
+ connect(timer, SIGNAL(timeout()),
+ this, SLOT(animate()));
+ timer->start(0); // call the animation as soon as we return to the event loop
+ goAwayTimer = new QTimer(this);
+ connect(goAwayTimer, SIGNAL(timeout()),
+ this, SLOT(close()));
+ goAwayTimer->start(30000);
+}
+
+FPSWidget::~FPSWidget()
+{
+ delete time;
+}
+
+#if defined(QT_OPENGL_ES_2)
+
+void FPSWidget::setupShaders()
+{
+ QGLShader *vshader = new QGLShader(QGLShader::Vertex, this);
+ const char *vsrc = {
+ "attribute highp vec4 vertex;\n"
+ "attribute mediump vec3 normal;\n"
+ "uniform mediump mat4 matrix;\n"
+ "varying mediump float angle;\n"
+ "void main(void)\n"
+ "{\n"
+ " vec3 toLight = normalize(vec3(0.5, 5.0, 7.0));\n"
+ " angle = max(dot(normal, toLight), 0.0);\n"
+ " gl_Position = matrix * vertex;\n"
+ "}\n"
+ };
+ vshader->compileSourceCode(vsrc);
+
+ QGLShader *fshader = new QGLShader(QGLShader::Fragment, this);
+ const char *fsrc = {
+ "uniform mediump vec4 material;\n"
+ "varying mediump float angle;\n"
+ "void main(void)\n"
+ "{\n"
+ " gl_FragColor = material * 0.2 + material * 0.8 * angle;\n"
+ "}\n"
+ };
+ fshader->compileSourceCode(fsrc);
+
+ program.addShader(vshader);
+ program.addShader(fshader);
+ program.link();
+
+ vertexAttr = program.attributeLocation("vertex");
+ normalAttr = program.attributeLocation("normal");
+ matrixUniform = program.uniformLocation("matrix");
+ materialUniform = program.uniformLocation("material");
+
+ program.bind();
+}
+
+#endif
+
+#ifndef GL_MULTISAMPLE
+#define GL_MULTISAMPLE 0x809D
+#endif
+
+void FPSWidget::initializeGL()
+{
+ glClearColor(0.9f, 0.95f, 0.8f, 1.0f);
+ glEnable(GL_DEPTH_TEST);
+ glEnable(GL_CULL_FACE);
+#if defined(QT_OPENGL_ES_2)
+ setupShaders();
+#else
+ glShadeModel(GL_SMOOTH);
+ glEnable(GL_LIGHTING);
+ glEnable(GL_LIGHT0);
+ glEnable(GL_MULTISAMPLE);
+ static GLfloat lightPosition[4] = { 0.5, 5.0, 7.0, 1.0 };
+ glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
+#endif
+}
+
+void FPSWidget::resizeGL(int w, int h)
+{
+ glViewport(0, 0, w, h);
+#if !defined(QT_OPENGL_ES_2)
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+#endif
+ int side = qMin(w, h);
+ qreal ws = (qreal)w / (qreal)side;
+ qreal hs = (qreal)h / (qreal)side;
+#if defined(QT_OPENGL_ES_2)
+ projection.setToIdentity();
+ projection.ortho(-ws, ws, -hs, hs, -10.0f, 10.0f);
+#else
+ glOrtho(-ws, ws, -hs, hs, -10.0f, 10.0f);
+#endif
+}
+
+void FPSWidget::paintGL()
+{
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+#if !defined(QT_OPENGL_ES_2)
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+
+ glRotatef(xrot, 1.0, 0.0, 0.0);
+ glRotatef(yrot, 0.0, 1.0, 0.0);
+ glRotatef(zrot, 0.0, 0.0, 1.0);
+
+ glVertexPointer(3, GL_FLOAT, 6 * sizeof(GLfloat), cubeVertices);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glNormalPointer(GL_FLOAT, 6 * sizeof(GLfloat), cubeVertices);
+ glEnableClientState(GL_NORMAL_ARRAY);
+
+ glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, materialColor);
+ glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, materialColor);
+#else
+ modelView.setToIdentity();
+ modelView.rotate(xrot, 1.0f, 0.0f, 0.0f);
+ modelView.rotate(yrot, 0.0f, 1.0f, 0.0f);
+ modelView.rotate(zrot, 0.0f, 0.0f, 1.0f);
+ program.setUniformValue(matrixUniform, projection * modelView);
+
+ QVector4D mat(materialColor[0], materialColor[1],
+ materialColor[2], materialColor[3]);
+ program.setUniformValue(materialUniform, mat);
+
+ program.setAttributeArray(vertexAttr, cubeVertices, 3, 6 * sizeof(GLfloat));
+ program.setAttributeArray(normalAttr, cubeVertices+3, 3, 6 * sizeof(GLfloat));
+ program.enableAttributeArray(vertexAttr);
+ program.enableAttributeArray(normalAttr);
+#endif
+
+ glDrawArrays(GL_TRIANGLES, 0, 36);
+
+#if !defined(QT_OPENGL_ES_2)
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_NORMAL_ARRAY);
+#else
+ program.disableAttributeArray(vertexAttr);
+ program.disableAttributeArray(normalAttr);
+#endif
+ QString framesPerSecond = QString::fromLatin1("%1 fps").arg(1000.0f / ((qreal)totalFrameTime / (qreal)frameCount));
+}
+
+void FPSWidget::animate()
+{
+ int elapsed = time->restart();
+ frameElapsed += elapsed;
+ if (frameElapsed > MAX_ANIM_FREQUENCY)
+ {
+ frameElapsed += elapsed;
+ int adv = frameElapsed / 10;
+ if (adv > 0)
+ {
+ frameCount += 1;
+ totalFrameTime += frameElapsed;
+ emit fps(1000.0f / ((qreal)frameTime->elapsed() / (qreal)frameCount));
+ xrot = (xrot + adv) % 360;
+ yrot = (xrot + adv) % 360;
+ zrot = (xrot + adv) % 360;
+ update();
+ frameElapsed = 0;
+ }
+ }
+}
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