summaryrefslogtreecommitdiffstats
path: root/examples/opengl/hellogl_es2
diff options
context:
space:
mode:
Diffstat (limited to 'examples/opengl/hellogl_es2')
-rw-r--r--examples/opengl/hellogl_es2/bubble.cpp140
-rw-r--r--examples/opengl/hellogl_es2/bubble.h77
-rw-r--r--examples/opengl/hellogl_es2/glwidget.cpp642
-rw-r--r--examples/opengl/hellogl_es2/glwidget.h94
-rw-r--r--examples/opengl/hellogl_es2/hellogl_es2.pro27
-rw-r--r--examples/opengl/hellogl_es2/main.cpp53
-rw-r--r--examples/opengl/hellogl_es2/mainwindow.cpp108
-rw-r--r--examples/opengl/hellogl_es2/mainwindow.h60
-rw-r--r--examples/opengl/hellogl_es2/qt.pngbin0 -> 5174 bytes
-rw-r--r--examples/opengl/hellogl_es2/texture.qrc5
10 files changed, 1206 insertions, 0 deletions
diff --git a/examples/opengl/hellogl_es2/bubble.cpp b/examples/opengl/hellogl_es2/bubble.cpp
new file mode 100644
index 0000000..691d314
--- /dev/null
+++ b/examples/opengl/hellogl_es2/bubble.cpp
@@ -0,0 +1,140 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#include "bubble.h"
+
+Bubble::Bubble(const QPointF &position, qreal radius, const QPointF &velocity)
+ : position(position), vel(velocity), radius(radius)
+{
+ innerColor = randomColor();
+ outerColor = randomColor();
+ cache = 0;
+ updateBrush();
+}
+
+//! [0]
+void Bubble::updateCache()
+{
+ if (cache)
+ delete cache;
+ cache = new QImage(qRound(radius * 2 + 2), qRound(radius * 2 + 2), QImage::Format_ARGB32);
+ cache->fill(0x00000000);
+ QPainter p(cache);
+ p.setRenderHint(QPainter::HighQualityAntialiasing);
+ QPen pen(Qt::white);
+ pen.setWidth(2);
+ p.setPen(pen);
+ p.setBrush(brush);
+ p.drawEllipse(0, 0, int(2*radius), int(2*radius));
+}
+//! [0]
+
+Bubble::~Bubble()
+{
+ if (cache)
+ delete cache;
+}
+
+void Bubble::updateBrush()
+{
+ QRadialGradient gradient(QPointF(radius, radius), radius,
+ QPointF(radius*0.5, radius*0.5));
+
+ gradient.setColorAt(0, QColor(255, 255, 255, 255));
+ gradient.setColorAt(0.25, innerColor);
+ gradient.setColorAt(1, outerColor);
+ brush = QBrush(gradient);
+ updateCache();
+}
+
+//! [1]
+void Bubble::drawBubble(QPainter *painter)
+{
+ painter->save();
+ painter->translate(position.x() - radius, position.y() - radius);
+ painter->setOpacity(0.8);
+ painter->drawImage(0, 0, *cache);
+ painter->restore();
+}
+//! [1]
+
+QColor Bubble::randomColor()
+{
+ int red = int(185 + 70.0*qrand()/(RAND_MAX+1.0));
+ int green = int(185 + 70.0*qrand()/(RAND_MAX+1.0));
+ int blue = int(205 + 50.0*qrand()/(RAND_MAX+1.0));
+ int alpha = int(91 + 100.0*qrand()/(RAND_MAX+1.0));
+
+ return QColor(red, green, blue, alpha);
+}
+
+void Bubble::move(const QRect &bbox)
+{
+ position += vel;
+ qreal leftOverflow = position.x() - radius - bbox.left();
+ qreal rightOverflow = position.x() + radius - bbox.right();
+ qreal topOverflow = position.y() - radius - bbox.top();
+ qreal bottomOverflow = position.y() + radius - bbox.bottom();
+
+ if (leftOverflow < 0.0) {
+ position.setX(position.x() - 2 * leftOverflow);
+ vel.setX(-vel.x());
+ } else if (rightOverflow > 0.0) {
+ position.setX(position.x() - 2 * rightOverflow);
+ vel.setX(-vel.x());
+ }
+
+ if (topOverflow < 0.0) {
+ position.setY(position.y() - 2 * topOverflow);
+ vel.setY(-vel.y());
+ } else if (bottomOverflow > 0.0) {
+ position.setY(position.y() - 2 * bottomOverflow);
+ vel.setY(-vel.y());
+ }
+}
+
+QRectF Bubble::rect()
+{
+ return QRectF(position.x() - radius, position.y() - radius,
+ 2 * radius, 2 * radius);
+}
diff --git a/examples/opengl/hellogl_es2/bubble.h b/examples/opengl/hellogl_es2/bubble.h
new file mode 100644
index 0000000..a32754f
--- /dev/null
+++ b/examples/opengl/hellogl_es2/bubble.h
@@ -0,0 +1,77 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef BUBBLE_H
+#define BUBBLE_H
+
+#include <QBrush>
+#include <QColor>
+#include <QPointF>
+#include <QRect>
+#include <QRectF>
+
+class QPainter;
+
+class Bubble
+{
+public:
+ Bubble(const QPointF &position, qreal radius, const QPointF &velocity);
+ ~Bubble();
+
+ void drawBubble(QPainter *painter);
+ void updateBrush();
+ void move(const QRect &bbox);
+ void updateCache();
+ QRectF rect();
+
+private:
+ QColor randomColor();
+
+ QBrush brush;
+ QPointF position;
+ QPointF vel;
+ qreal radius;
+ QColor innerColor;
+ QColor outerColor;
+ QImage *cache;
+};
+
+#endif
diff --git a/examples/opengl/hellogl_es2/glwidget.cpp b/examples/opengl/hellogl_es2/glwidget.cpp
new file mode 100644
index 0000000..213c5b2
--- /dev/null
+++ b/examples/opengl/hellogl_es2/glwidget.cpp
@@ -0,0 +1,642 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "glwidget.h"
+#include <QPainter>
+#include <math.h>
+
+#include "bubble.h"
+
+
+const int bubbleNum = 8;
+
+inline void CrossProduct(qreal &xOut, qreal &yOut, qreal &zOut, qreal x1, qreal y1, qreal z1, qreal x2, qreal y2, qreal z2)
+{
+ xOut = y1 * z2 - z1 * y2;
+ yOut = z1 * x2 - x1 * z2;
+ zOut = x1 * y2 - y1 * x2;
+}
+
+inline void Normalize(qreal &x, qreal &y, qreal &z)
+{
+ qreal l = sqrt(x*x + y*y + z*z);
+ x = x / l;
+ y = y / l;
+ z = z / l;
+}
+
+inline void IdentityMatrix(GLfloat *m)
+{
+ m[0 * 4 + 0] = 1.0f;
+ m[1 * 4 + 0] = 0.0f;
+ m[2 * 4 + 0] = 0.0f;
+ m[3 * 4 + 0] = 0.0f;
+ m[0 * 4 + 1] = 0.0f;
+ m[1 * 4 + 1] = 1.0f;
+ m[2 * 4 + 1] = 0.0f;
+ m[3 * 4 + 1] = 0.0f;
+ m[0 * 4 + 2] = 0.0f;
+ m[1 * 4 + 2] = 0.0f;
+ m[2 * 4 + 2] = 1.0f;
+ m[3 * 4 + 2] = 0.0f;
+ m[0 * 4 + 3] = 0.0f;
+ m[1 * 4 + 3] = 0.0f;
+ m[2 * 4 + 3] = 0.0f;
+ m[3 * 4 + 3] = 1.0f;
+}
+
+// Adjust a 4x4 matrix to apply a scale.
+inline void ScaleMatrix(GLfloat *m, GLfloat scalex, GLfloat scaley, GLfloat scalez)
+{
+ m[0 * 4 + 0] *= scalex;
+ m[0 * 4 + 1] *= scalex;
+ m[0 * 4 + 2] *= scalex;
+ m[0 * 4 + 3] *= scalex;
+ m[1 * 4 + 0] *= scaley;
+ m[1 * 4 + 1] *= scaley;
+ m[1 * 4 + 2] *= scaley;
+ m[1 * 4 + 3] *= scaley;
+ m[2 * 4 + 0] *= scalez;
+ m[2 * 4 + 1] *= scalez;
+ m[2 * 4 + 2] *= scalez;
+ m[2 * 4 + 3] *= scalez;
+}
+
+// Adjust a 4x4 matrix to apply a translation.
+inline void TranslateMatrix(GLfloat *m, GLfloat translatex, GLfloat translatey, GLfloat translatez)
+{
+ m[3 * 4 + 0] += m[0 * 4 + 0] * translatex + m[1 * 4 + 0] * translatey + m[2 * 4 + 0] * translatez;
+ m[3 * 4 + 1] += m[0 * 4 + 1] * translatex + m[1 * 4 + 1] * translatey + m[2 * 4 + 1] * translatez;
+ m[3 * 4 + 2] += m[0 * 4 + 2] * translatex + m[1 * 4 + 2] * translatey + m[2 * 4 + 2] * translatez;
+ m[3 * 4 + 3] += m[0 * 4 + 3] * translatex + m[1 * 4 + 3] * translatey + m[2 * 4 + 3] * translatez;
+}
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+// Adjust a 4x4 matrix to apply a rotation.
+inline void RotateMatrix(GLfloat *m, GLfloat angle, GLfloat vx, GLfloat vy, GLfloat vz)
+{
+ GLfloat len = sqrt(vx * vx + vy * vy + vz * vz);
+ if (len != 0) {
+ vx /= len;
+ vy /= len;
+ vz /= len;
+ }
+
+ GLfloat c, s, ic;
+ c = cos(angle * M_PI / 180.0);
+ s = sin(angle * M_PI / 180.0);
+ ic = 1.0f - c;
+
+ GLfloat rot[16];
+ rot[0 * 4 + 0] = vx * vx * ic + c;
+ rot[1 * 4 + 0] = vx * vy * ic - vz * s;
+ rot[2 * 4 + 0] = vx * vz * ic + vy * s;
+ rot[3 * 4 + 0] = 0.0f;
+ rot[0 * 4 + 1] = vy * vx * ic + vz * s;
+ rot[1 * 4 + 1] = vy * vy * ic + c;
+ rot[2 * 4 + 1] = vy * vz * ic - vx * s;
+ rot[3 * 4 + 1] = 0.0f;
+ rot[0 * 4 + 2] = vx * vz * ic - vy * s;
+ rot[1 * 4 + 2] = vy * vz * ic + vx * s;
+ rot[2 * 4 + 2] = vz * vz * ic + c;
+ rot[3 * 4 + 2] = 0.0f;
+ rot[0 * 4 + 3] = 0.0f;
+ rot[1 * 4 + 3] = 0.0f;
+ rot[2 * 4 + 3] = 0.0f;
+ rot[3 * 4 + 3] = 1.0f;
+
+ GLfloat temp[16];
+ for (int i = 0; i < 4; ++i) {
+ for (int j = 0; j < 4; ++j) {
+ temp[j * 4 + i] = 0.0f;
+ for (int k = 0; k < 4; ++k) {
+ temp[j * 4 + i] += m[k * 4 + i] * rot[j * 4 + k];
+ }
+ }
+ }
+
+ qMemCopy(m, temp, sizeof(temp));
+}
+
+GLWidget::GLWidget(QWidget *parent)
+ : QGLWidget(parent)
+{
+ qtLogo = true;
+ createdVertices = 0;
+ createdNormals = 0;
+ m_vertexNumber = 0;
+ frames = 0;
+ setAttribute(Qt::WA_PaintOnScreen);
+ setAttribute(Qt::WA_NoSystemBackground);
+ setAutoBufferSwap(false);
+ m_showBubbles = true;
+#ifndef Q_WS_QWS
+ setMinimumSize(300, 250);
+#endif
+}
+
+GLWidget::~GLWidget()
+{
+ if (createdVertices)
+ delete[] createdVertices;
+ if (createdNormals)
+ delete[] createdNormals;
+}
+
+void GLWidget::setScaling(int scale) {
+
+ if (scale > 50)
+ m_fScale = 1 + qreal(scale -50) / 50 * 0.5;
+ else if (scale < 50)
+ m_fScale = 1- (qreal(50 - scale) / 50 * 1/2);
+ else
+ m_fScale = 1;
+}
+
+void GLWidget::setLogo() {
+ qtLogo = true;
+}
+
+void GLWidget::setTexture() {
+ qtLogo = false;
+}
+
+void GLWidget::showBubbles(bool bubbles)
+{
+ m_showBubbles = bubbles;
+}
+
+void GLWidget::paintQtLogo()
+{
+ glDisable(GL_TEXTURE_2D);
+ glVertexAttribPointer(vertexAttr1, 3, GL_FLOAT, GL_FALSE, 0, createdVertices);
+ glEnableVertexAttribArray(vertexAttr1);
+ glVertexAttribPointer(normalAttr1, 3, GL_FLOAT, GL_FALSE, 0, createdNormals);
+ glEnableVertexAttribArray(normalAttr1);
+ glDrawArrays(GL_TRIANGLES, 0, m_vertexNumber / 3);
+ glDisableVertexAttribArray(normalAttr1);
+ glDisableVertexAttribArray(vertexAttr1);
+}
+
+void GLWidget::paintTexturedCube()
+{
+ glEnable(GL_TEXTURE_2D);
+ glBindTexture(GL_TEXTURE_2D, m_uiTexture);
+ GLfloat afVertices[] = {
+ -0.5, 0.5, 0.5, 0.5,-0.5,0.5,-0.5,-0.5,0.5,
+ 0.5, -0.5, 0.5, -0.5,0.5,0.5,0.5,0.5,0.5,
+ -0.5, -0.5, -0.5, 0.5,-0.5,-0.5,-0.5,0.5,-0.5,
+ 0.5, 0.5, -0.5, -0.5,0.5,-0.5,0.5,-0.5,-0.5,
+
+ 0.5, -0.5, -0.5, 0.5,-0.5,0.5,0.5,0.5,-0.5,
+ 0.5, 0.5, 0.5, 0.5,0.5,-0.5,0.5,-0.5,0.5,
+ -0.5, 0.5, -0.5, -0.5,-0.5,0.5,-0.5,-0.5,-0.5,
+ -0.5, -0.5, 0.5, -0.5,0.5,-0.5,-0.5,0.5,0.5,
+
+ 0.5, 0.5, -0.5, -0.5, 0.5, 0.5, -0.5, 0.5, -0.5,
+ -0.5, 0.5, 0.5, 0.5, 0.5, -0.5, 0.5, 0.5, 0.5,
+ -0.5, -0.5, -0.5, -0.5, -0.5, 0.5, 0.5, -0.5, -0.5,
+ 0.5, -0.5, 0.5, 0.5, -0.5, -0.5, -0.5, -0.5, 0.5
+ };
+ glVertexAttribPointer(vertexAttr2, 3, GL_FLOAT, GL_FALSE, 0, afVertices);
+ glEnableVertexAttribArray(vertexAttr2);
+
+ GLfloat afTexCoord[] = {
+ 0.0f,0.0f, 1.0f,1.0f, 1.0f,0.0f,
+ 1.0f,1.0f, 0.0f,0.0f, 0.0f,1.0f,
+ 1.0f,1.0f, 1.0f,0.0f, 0.0f,1.0f,
+ 0.0f,0.0f, 0.0f,1.0f, 1.0f,0.0f,
+
+ 1.0f,1.0f, 1.0f,0.0f, 0.0f,1.0f,
+ 0.0f,0.0f, 0.0f,1.0f, 1.0f,0.0f,
+ 0.0f,0.0f, 1.0f,1.0f, 1.0f,0.0f,
+ 1.0f,1.0f, 0.0f,0.0f, 0.0f,1.0f,
+
+ 0.0f,1.0f, 1.0f,0.0f, 1.0f,1.0f,
+ 1.0f,0.0f, 0.0f,1.0f, 0.0f,0.0f,
+ 1.0f,0.0f, 1.0f,1.0f, 0.0f,0.0f,
+ 0.0f,1.0f, 0.0f,0.0f, 1.0f,1.0f
+ };
+ glVertexAttribPointer(texCoordAttr2, 2, GL_FLOAT, GL_FALSE, 0, afTexCoord);
+ glEnableVertexAttribArray(texCoordAttr2);
+
+ GLfloat afNormals[] = {
+
+ 0,0,-1, 0,0,-1, 0,0,-1,
+ 0,0,-1, 0,0,-1, 0,0,-1,
+ 0,0,1, 0,0,1, 0,0,1,
+ 0,0,1, 0,0,1, 0,0,1,
+
+ -1,0,0, -1,0,0, -1,0,0,
+ -1,0,0, -1,0,0, -1,0,0,
+ 1,0,0, 1,0,0, 1,0,0,
+ 1,0,0, 1,0,0, 1,0,0,
+
+ 0,-1,0, 0,-1,0, 0,-1,0,
+ 0,-1,0, 0,-1,0, 0,-1,0,
+ 0,1,0, 0,1,0, 0,1,0,
+ 0,1,0, 0,1,0, 0,1,0
+ };
+ glVertexAttribPointer(normalAttr2, 3, GL_FLOAT, GL_FALSE, 0, afNormals);
+ glEnableVertexAttribArray(normalAttr2);
+
+ glUniform1i(textureUniform2, 0); // use texture unit 0
+
+ glDrawArrays(GL_TRIANGLES, 0, 36);
+
+ glDisableVertexAttribArray(vertexAttr2);
+ glDisableVertexAttribArray(normalAttr2);
+ glDisableVertexAttribArray(texCoordAttr2);
+}
+
+static void reportCompileErrors(GLuint shader, const char *src)
+{
+ GLint value = 0;
+ glGetShaderiv(shader, GL_COMPILE_STATUS, &value);
+ bool compiled = (value != 0);
+ value = 0;
+ glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &value);
+ if (!compiled && value > 1) {
+ char *log = new char [value];
+ GLint len;
+ glGetShaderInfoLog(shader, value, &len, log);
+ qWarning("%s\n", log);
+ qWarning("when compiling:\n%s\n", src);
+ delete [] log;
+ }
+}
+
+static void reportLinkErrors(GLuint program, const char *vsrc, const char *fsrc)
+{
+ GLint value = 0;
+ glGetProgramiv(program, GL_LINK_STATUS, &value);
+ bool linked = (value != 0);
+ value = 0;
+ glGetProgramiv(program, GL_INFO_LOG_LENGTH, &value);
+ if (!linked && value > 1) {
+ char *log = new char [value];
+ GLint len;
+ glGetProgramInfoLog(program, value, &len, log);
+ qWarning("%s\n", log);
+ qWarning("when linking:\n%s\nwith:\n%s\n", vsrc, fsrc);
+ delete [] log;
+ }
+}
+
+void GLWidget::initializeGL ()
+{
+ glClearColor(0.1f, 0.1f, 0.2f, 1.0f);
+
+ glEnable(GL_TEXTURE_2D);
+ glGenTextures(1, &m_uiTexture);
+ m_uiTexture = bindTexture(QImage(":/qt.png"));
+
+ GLuint vshader1 = glCreateShader(GL_VERTEX_SHADER);
+ const char *vsrc1[1] = {
+ "attribute highp vec4 vertex;\n"
+ "attribute mediump vec3 normal;\n"
+ "uniform mediump mat4 matrix;\n"
+ "varying mediump vec4 color;\n"
+ "void main(void)\n"
+ "{\n"
+ " vec3 toLight = normalize(vec3(0.0, 0.3, 1.0));\n"
+ " float angle = max(dot(normal, toLight), 0.0);\n"
+ " vec3 col = vec3(0.40, 1.0, 0.0);\n"
+ " color = vec4(col * 0.2 + col * 0.8 * angle, 1.0);\n"
+ " color = clamp(color, 0.0, 1.0);\n"
+ " gl_Position = matrix * vertex;\n"
+ "}\n"
+ };
+ glShaderSource(vshader1, 1, vsrc1, 0);
+ glCompileShader(vshader1);
+ reportCompileErrors(vshader1, vsrc1[0]);
+
+ GLuint fshader1 = glCreateShader(GL_FRAGMENT_SHADER);
+ const char *fsrc1[1] = {
+ "varying mediump vec4 color;\n"
+ "void main(void)\n"
+ "{\n"
+ " gl_FragColor = color;\n"
+ "}\n"
+ };
+ glShaderSource(fshader1, 1, fsrc1, 0);
+ glCompileShader(fshader1);
+ reportCompileErrors(fshader1, fsrc1[0]);
+
+ program1 = glCreateProgram();
+ glAttachShader(program1, vshader1);
+ glAttachShader(program1, fshader1);
+ glLinkProgram(program1);
+ reportLinkErrors(program1, vsrc1[0], fsrc1[0]);
+
+ vertexAttr1 = glGetAttribLocation(program1, "vertex");
+ normalAttr1 = glGetAttribLocation(program1, "normal");
+ matrixUniform1 = glGetUniformLocation(program1, "matrix");
+
+ GLuint vshader2 = glCreateShader(GL_VERTEX_SHADER);
+ const char *vsrc2[1] = {
+ "attribute highp vec4 vertex;\n"
+ "attribute highp vec4 texCoord;\n"
+ "attribute mediump vec3 normal;\n"
+ "uniform mediump mat4 matrix;\n"
+ "varying highp vec4 texc;\n"
+ "varying mediump float angle;\n"
+ "void main(void)\n"
+ "{\n"
+ " vec3 toLight = normalize(vec3(0.0, 0.3, 1.0));\n"
+ " angle = max(dot(normal, toLight), 0.0);\n"
+ " gl_Position = matrix * vertex;\n"
+ " texc = texCoord;\n"
+ "}\n"
+ };
+ glShaderSource(vshader2, 1, vsrc2, 0);
+ glCompileShader(vshader2);
+ reportCompileErrors(vshader2, vsrc2[0]);
+
+ GLuint fshader2 = glCreateShader(GL_FRAGMENT_SHADER);
+ const char *fsrc2[1] = {
+ "varying highp vec4 texc;\n"
+ "uniform sampler2D tex;\n"
+ "varying mediump float angle;\n"
+ "void main(void)\n"
+ "{\n"
+ " highp vec3 color = texture2D(tex, texc.st).rgb;\n"
+ " color = color * 0.2 + color * 0.8 * angle;\n"
+ " gl_FragColor = vec4(clamp(color, 0.0, 1.0), 1.0);\n"
+ "}\n"
+ };
+ glShaderSource(fshader2, 1, fsrc2, 0);
+ glCompileShader(fshader2);
+ reportCompileErrors(fshader2, fsrc2[0]);
+
+ program2 = glCreateProgram();
+ glAttachShader(program2, vshader2);
+ glAttachShader(program2, fshader2);
+ glLinkProgram(program2);
+ reportLinkErrors(program2, vsrc2[0], fsrc2[0]);
+
+ vertexAttr2 = glGetAttribLocation(program2, "vertex");
+ normalAttr2 = glGetAttribLocation(program2, "normal");
+ texCoordAttr2 = glGetAttribLocation(program2, "texCoord");
+ matrixUniform2 = glGetUniformLocation(program2, "matrix");
+ textureUniform2 = glGetUniformLocation(program2, "tex");
+
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
+
+ m_fAngle = 0;
+ m_fScale = 1;
+ createGeometry();
+ createBubbles(bubbleNum - bubbles.count());
+}
+
+void GLWidget::paintGL()
+{
+ createBubbles(bubbleNum - bubbles.count());
+
+ QPainter painter;
+ painter.begin(this);
+
+ glClearColor(0.1f, 0.1f, 0.2f, 1.0f);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ glEnable(GL_TEXTURE_2D);
+
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
+
+ glFrontFace(GL_CW);
+ glCullFace(GL_FRONT);
+ glEnable(GL_CULL_FACE);
+ glEnable(GL_DEPTH_TEST);
+
+ GLfloat modelview[16];
+ IdentityMatrix(modelview);
+ RotateMatrix(modelview, m_fAngle, 0.0, 1.0, 0.0);
+ RotateMatrix(modelview, m_fAngle, 1.0, 0.0, 0.0);
+ RotateMatrix(modelview, m_fAngle, 0.0, 0.0, 1.0);
+ ScaleMatrix(modelview, m_fScale, m_fScale, m_fScale);
+ TranslateMatrix(modelview, 0, -0.2, 0);
+
+ if (qtLogo) {
+ glUseProgram(program1);
+ glUniformMatrix4fv(matrixUniform1, 1, GL_FALSE, modelview);
+ paintQtLogo();
+ glUseProgram(0);
+ } else {
+ glUseProgram(program2);
+ glUniformMatrix4fv(matrixUniform2, 1, GL_FALSE, modelview);
+ paintTexturedCube();
+ glUseProgram(0);
+ }
+
+ glDisable(GL_DEPTH_TEST);
+ glDisable(GL_CULL_FACE);
+
+ if (m_showBubbles)
+ foreach (Bubble *bubble, bubbles) {
+ bubble->drawBubble(&painter);
+ }
+
+ QString framesPerSecond;
+ framesPerSecond.setNum(frames /(time.elapsed() / 1000.0), 'f', 2);
+
+ painter.setPen(Qt::white);
+
+ painter.drawText(20, 40, framesPerSecond + " fps");
+
+ painter.end();
+
+ swapBuffers();
+
+ QMutableListIterator<Bubble*> iter(bubbles);
+
+ while (iter.hasNext()) {
+ Bubble *bubble = iter.next();
+ bubble->move(rect());
+ }
+ if (!(frames % 100)) {
+ time.start();
+ frames = 0;
+ }
+ m_fAngle += 1.0f;
+ frames ++;
+}
+
+void GLWidget::createBubbles(int number)
+{
+ for (int i = 0; i < number; ++i) {
+ QPointF position(width()*(0.1 + (0.8*qrand()/(RAND_MAX+1.0))),
+ height()*(0.1 + (0.8*qrand()/(RAND_MAX+1.0))));
+ qreal radius = qMin(width(), height())*(0.0175 + 0.0875*qrand()/(RAND_MAX+1.0));
+ QPointF velocity(width()*0.0175*(-0.5 + qrand()/(RAND_MAX+1.0)),
+ height()*0.0175*(-0.5 + qrand()/(RAND_MAX+1.0)));
+
+ bubbles.append(new Bubble(position, radius, velocity));
+ }
+}
+
+void GLWidget::createGeometry()
+{
+ vertices.clear();
+ normals.clear();
+
+ qreal x1 = +0.06f;
+ qreal y1 = -0.14f;
+ qreal x2 = +0.14f;
+ qreal y2 = -0.06f;
+ qreal x3 = +0.08f;
+ qreal y3 = +0.00f;
+ qreal x4 = +0.30f;
+ qreal y4 = +0.22f;
+
+ quad(x1, y1, x2, y2, y2, x2, y1, x1);
+ quad(x3, y3, x4, y4, y4, x4, y3, x3);
+
+ extrude(x1, y1, x2, y2);
+ extrude(x2, y2, y2, x2);
+ extrude(y2, x2, y1, x1);
+ extrude(y1, x1, x1, y1);
+ extrude(x3, y3, x4, y4);
+ extrude(x4, y4, y4, x4);
+ extrude(y4, x4, y3, x3);
+
+ const qreal Pi = 3.14159f;
+ const int NumSectors = 100;
+
+ for (int i = 0; i < NumSectors; ++i) {
+ qreal angle1 = (i * 2 * Pi) / NumSectors;
+ qreal x5 = 0.30 * sin(angle1);
+ qreal y5 = 0.30 * cos(angle1);
+ qreal x6 = 0.20 * sin(angle1);
+ qreal y6 = 0.20 * cos(angle1);
+
+ qreal angle2 = ((i + 1) * 2 * Pi) / NumSectors;
+ qreal x7 = 0.20 * sin(angle2);
+ qreal y7 = 0.20 * cos(angle2);
+ qreal x8 = 0.30 * sin(angle2);
+ qreal y8 = 0.30 * cos(angle2);
+
+ quad(x5, y5, x6, y6, x7, y7, x8, y8);
+
+ extrude(x6, y6, x7, y7);
+ extrude(x8, y8, x5, y5);
+ }
+
+ m_vertexNumber = vertices.size();
+ createdVertices = new GLfloat[m_vertexNumber];
+ createdNormals = new GLfloat[m_vertexNumber];
+ for (int i = 0;i < m_vertexNumber;i++) {
+ createdVertices[i] = vertices.at(i) * 2;
+ createdNormals[i] = normals.at(i);
+ }
+ vertices.clear();
+ normals.clear();
+}
+
+void GLWidget::quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4)
+{
+ qreal nx, ny, nz;
+
+ vertices << x1 << y1 << -0.05f;
+ vertices << x2 << y2 << -0.05f;
+ vertices << x4 << y4 << -0.05f;
+
+ vertices << x3 << y3 << -0.05f;
+ vertices << x4 << y4 << -0.05f;
+ vertices << x2 << y2 << -0.05f;
+
+ CrossProduct(nx, ny, nz, x2 - x1, y2 - y1, 0, x4 - x1, y4 - y1, 0);
+ Normalize(nx, ny, nz);
+
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+
+ vertices << x4 << y4 << 0.05f;
+ vertices << x2 << y2 << 0.05f;
+ vertices << x1 << y1 << 0.05f;
+
+ vertices << x2 << y2 << 0.05f;
+ vertices << x4 << y4 << 0.05f;
+ vertices << x3 << y3 << 0.05f;
+
+ CrossProduct(nx, ny, nz, x2 - x4, y2 - y4, 0, x1 - x4, y1 - y4, 0);
+ Normalize(nx, ny, nz);
+
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+}
+
+void GLWidget::extrude(qreal x1, qreal y1, qreal x2, qreal y2)
+{
+ qreal nx, ny, nz;
+
+ vertices << x1 << y1 << +0.05f;
+ vertices << x2 << y2 << +0.05f;
+ vertices << x1 << y1 << -0.05f;
+
+ vertices << x2 << y2 << -0.05f;
+ vertices << x1 << y1 << -0.05f;
+ vertices << x2 << y2 << +0.05f;
+
+ CrossProduct(nx, ny, nz, x2 - x1, y2 - y1, 0.0f, 0.0f, 0.0f, -0.1f);
+ Normalize(nx, ny, nz);
+
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+ normals << nx << ny << nz;
+}
diff --git a/examples/opengl/hellogl_es2/glwidget.h b/examples/opengl/hellogl_es2/glwidget.h
new file mode 100644
index 0000000..9a7823a
--- /dev/null
+++ b/examples/opengl/hellogl_es2/glwidget.h
@@ -0,0 +1,94 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef GLWIDGET_H
+#define GLWIDGET_H
+
+#include <QGLWidget>
+#include <QTime>
+
+class Bubble;
+class GLWidget : public QGLWidget {
+
+ Q_OBJECT
+public:
+ GLWidget(QWidget *parent = 0);
+ ~GLWidget();
+public slots:
+ void setScaling(int scale);
+ void setLogo();
+ void setTexture();
+ void showBubbles(bool);
+protected:
+ void paintGL ();
+ void initializeGL ();
+private:
+ GLuint m_uiTexture;
+ qreal m_fAngle;
+ qreal m_fScale;
+ bool m_showBubbles;
+ void paintTexturedCube();
+ void paintQtLogo();
+ void createGeometry();
+ void createBubbles(int number);
+ void quad(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4);
+ void extrude(qreal x1, qreal y1, qreal x2, qreal y2);
+ QList<qreal> vertices;
+ QList<qreal> normals;
+ GLfloat *createdVertices;
+ GLfloat *createdNormals;
+ int m_vertexNumber;
+ bool qtLogo;
+ QList<Bubble*> bubbles;
+ int frames;
+ QTime time;
+ GLuint program1;
+ GLuint program2;
+ GLuint vertexAttr1;
+ GLuint normalAttr1;
+ GLuint matrixUniform1;
+ GLuint vertexAttr2;
+ GLuint normalAttr2;
+ GLuint texCoordAttr2;
+ GLuint matrixUniform2;
+ GLuint textureUniform2;
+};
+#endif
diff --git a/examples/opengl/hellogl_es2/hellogl_es2.pro b/examples/opengl/hellogl_es2/hellogl_es2.pro
new file mode 100644
index 0000000..92b4224
--- /dev/null
+++ b/examples/opengl/hellogl_es2/hellogl_es2.pro
@@ -0,0 +1,27 @@
+######################################################################
+# Automatically generated by qmake (2.01a) Thu Oct 4 19:01:12 2007
+######################################################################
+
+TEMPLATE = app
+TARGET =
+DEPENDPATH += .
+INCLUDEPATH += .
+
+# Input
+SOURCES += main.cpp
+SOURCES += glwidget.cpp
+SOURCES += mainwindow.cpp
+SOURCES += bubble.cpp
+
+HEADERS += glwidget.h
+HEADERS += mainwindow.h
+HEADERS += bubble.h
+
+RESOURCES += texture.qrc
+QT += opengl
+
+# install
+target.path = $$[QT_INSTALL_EXAMPLES]/opengl/hellogl_es2
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS hellogl_es2.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/opengl/hellogl_es2
+INSTALLS += target sources
diff --git a/examples/opengl/hellogl_es2/main.cpp b/examples/opengl/hellogl_es2/main.cpp
new file mode 100644
index 0000000..feff054
--- /dev/null
+++ b/examples/opengl/hellogl_es2/main.cpp
@@ -0,0 +1,53 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QApplication>
+#include <QMainWindow>
+#include "mainwindow.h"
+
+int main( int argc, char ** argv )
+{
+ Q_INIT_RESOURCE(texture);
+ QApplication a( argc, argv );
+ MainWindow mw;
+ mw.showMaximized();
+ return a.exec();
+}
diff --git a/examples/opengl/hellogl_es2/mainwindow.cpp b/examples/opengl/hellogl_es2/mainwindow.cpp
new file mode 100644
index 0000000..26fbeaa
--- /dev/null
+++ b/examples/opengl/hellogl_es2/mainwindow.cpp
@@ -0,0 +1,108 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "mainwindow.h"
+
+#include <QApplication>
+#include <QMenuBar>
+#include <QGroupBox>
+#include <QGridLayout>
+#include <QSlider>
+#include <QLabel>
+#include <QTimer>
+
+#include "glwidget.h"
+
+MainWindow::MainWindow()
+{
+ GLWidget *glwidget = new GLWidget();
+ QLabel *label = new QLabel(this);
+ QTimer *timer = new QTimer(this);
+ QSlider *slider = new QSlider(this);
+ slider->setOrientation(Qt::Horizontal);
+
+ slider->setRange(0, 100);
+ slider->setSliderPosition(50);
+ timer->setInterval(10);
+ label->setText("A QGlWidget with OpenGl ES");
+ label->setAlignment(Qt::AlignHCenter);
+
+ QGroupBox * groupBox = new QGroupBox(this);
+ setCentralWidget(groupBox);
+ groupBox->setTitle("OpenGL ES Example");
+
+ QGridLayout *layout = new QGridLayout(groupBox);
+
+ layout->addWidget(glwidget,1,0,8,1);
+ layout->addWidget(label,9,0,1,1);
+ layout->addWidget(slider, 11,0,1,1);
+
+ groupBox->setLayout(layout);
+
+ QMenu *fileMenu = new QMenu("File");
+ QMenu *helpMenu = new QMenu("Help");
+ QMenu *showMenu = new QMenu("Show");
+ menuBar()->addMenu(fileMenu);
+ menuBar()->addMenu(showMenu);
+ menuBar()->addMenu(helpMenu);
+ QAction *exit = new QAction("Exit", fileMenu);
+ QAction *aboutQt = new QAction("AboutQt", helpMenu);
+ QAction *showLogo = new QAction("Show 3D Logo", showMenu);
+ QAction *showTexture = new QAction("Show 2D Texture", showMenu);
+ QAction *showBubbles = new QAction("Show bubbles", showMenu);
+ showBubbles->setCheckable(true);
+ showBubbles->setChecked(true);
+ fileMenu->addAction(exit);
+ helpMenu->addAction(aboutQt);
+ showMenu->addAction(showLogo);
+ showMenu->addAction(showTexture);
+ showMenu->addAction(showBubbles);
+
+ QObject::connect(timer, SIGNAL(timeout()), glwidget, SLOT(updateGL()));
+ QObject::connect(exit, SIGNAL(triggered(bool)), this, SLOT(close()));
+ QObject::connect(aboutQt, SIGNAL(triggered(bool)), qApp, SLOT(aboutQt()));
+
+ QObject::connect(showLogo, SIGNAL(triggered(bool)), glwidget, SLOT(setLogo()));
+ QObject::connect(showTexture, SIGNAL(triggered(bool)), glwidget, SLOT(setTexture()));
+ QObject::connect(showBubbles, SIGNAL(triggered(bool)), glwidget, SLOT(showBubbles(bool)));
+ QObject::connect(slider, SIGNAL(valueChanged(int)), glwidget, SLOT(setScaling(int)));
+ timer->start();
+}
diff --git a/examples/opengl/hellogl_es2/mainwindow.h b/examples/opengl/hellogl_es2/mainwindow.h
new file mode 100644
index 0000000..72b723c
--- /dev/null
+++ b/examples/opengl/hellogl_es2/mainwindow.h
@@ -0,0 +1,60 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+
+class QSlider;
+class GLWidget;
+
+class MainWindow : public QMainWindow
+{
+ Q_OBJECT
+
+public:
+ MainWindow();
+
+private:
+};
+
+#endif
diff --git a/examples/opengl/hellogl_es2/qt.png b/examples/opengl/hellogl_es2/qt.png
new file mode 100644
index 0000000..79e383c
--- /dev/null
+++ b/examples/opengl/hellogl_es2/qt.png
Binary files differ
diff --git a/examples/opengl/hellogl_es2/texture.qrc b/examples/opengl/hellogl_es2/texture.qrc
new file mode 100644
index 0000000..ff1d0e5
--- /dev/null
+++ b/examples/opengl/hellogl_es2/texture.qrc
@@ -0,0 +1,5 @@
+<!DOCTYPE RCC><RCC version="1.0">
+<qresource>
+ <file>qt.png</file>
+</qresource>
+</RCC>