diff options
Diffstat (limited to 'tests/manual/qopenglwidget')
4 files changed, 338 insertions, 0 deletions
diff --git a/tests/manual/qopenglwidget/openglwidget/main.cpp b/tests/manual/qopenglwidget/openglwidget/main.cpp new file mode 100644 index 0000000000..68f9be7199 --- /dev/null +++ b/tests/manual/qopenglwidget/openglwidget/main.cpp @@ -0,0 +1,73 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 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, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "openglwidget.h" +#include <QApplication> +#include <QPushButton> +#include <QMdiArea> +#include <QLCDNumber> +#include <QTimer> + + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + + QMdiArea w; + w.resize(400,400); + + OpenGLWidget *glw = new OpenGLWidget; + w.addSubWindow(glw); + glw->setMinimumSize(100,100); + + OpenGLWidget *glw2 = new OpenGLWidget; + glw2->setMinimumSize(100,100); + w.addSubWindow(glw2); + + QLCDNumber *lcd = new QLCDNumber; + lcd->display(1337); + lcd->setMinimumSize(300,100); + w.addSubWindow(lcd); + + w.show(); + + return a.exec(); +} diff --git a/tests/manual/qopenglwidget/openglwidget/openglwidget.cpp b/tests/manual/qopenglwidget/openglwidget/openglwidget.cpp new file mode 100644 index 0000000000..09e0dd5419 --- /dev/null +++ b/tests/manual/qopenglwidget/openglwidget/openglwidget.cpp @@ -0,0 +1,193 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 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, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#define GL_GLEXT_PROTOTYPES + +#include "openglwidget.h" +#include <QtWidgets/private/qwidget_p.h> +#include <QOpenGLFramebufferObject> +#include <QWindow> +#include <qpa/qplatformwindow.h> +#include <QDebug> +#include <QTimer> + +#include <QtGui/QOpenGLFunctions> +#include <QtGui/QGuiApplication> +#include <QtGui/QMatrix4x4> +#include <QtGui/QOpenGLShaderProgram> +#include <QtGui/QScreen> + +#include <QtCore/qmath.h> +#include <qopengl.h> + +#include <GL/glext.h> + +class OpenGLWidgetPrivate +{ +public: + OpenGLWidgetPrivate() + : m_program(0), m_frame(0) + { + + } + + void initialize(); + void render(); + + + int width() {return w;} + int height() {return h;} + + GLuint m_posAttr; + GLuint m_colAttr; + GLuint m_matrixUniform; + + QOpenGLShaderProgram *m_program; + int m_frame; + + int w,h; +}; + + +OpenGLWidget::OpenGLWidget(QWidget *parent) + : QOpenGLWidget(parent) +{ + d = new OpenGLWidgetPrivate; + QTimer *timer = new QTimer(this); + connect(timer, SIGNAL(timeout()), this, SLOT(updateGL())); + timer->start(30); +} + +OpenGLWidget::~OpenGLWidget() +{ + +} + +void OpenGLWidget::initializeGL() +{ +// qDebug("*initializeGL*"); + d->initialize(); +} + +void OpenGLWidget::resizeGL(int w, int h) +{ +// qDebug("*resizeGL*"); + d->w = w; + d->h = h; +} +void OpenGLWidget::paintGL() +{ +// qDebug("*paintGL* %d", d->m_frame); + d->render(); +} + + +static const char *vertexShaderSource = + "attribute highp vec4 posAttr;\n" + "attribute lowp vec4 colAttr;\n" + "varying lowp vec4 col;\n" + "uniform highp mat4 matrix;\n" + "void main() {\n" + " col = colAttr;\n" + " gl_Position = matrix * posAttr;\n" + "}\n"; + +static const char *fragmentShaderSource = + "varying lowp vec4 col;\n" + "void main() {\n" + " gl_FragColor = col;\n" + "}\n"; + +void OpenGLWidgetPrivate::initialize() +{ + m_program = new QOpenGLShaderProgram; + m_program->addShaderFromSourceCode(QOpenGLShader::Vertex, vertexShaderSource); + m_program->addShaderFromSourceCode(QOpenGLShader::Fragment, fragmentShaderSource); + m_program->link(); + m_posAttr = m_program->attributeLocation("posAttr"); + m_colAttr = m_program->attributeLocation("colAttr"); + m_matrixUniform = m_program->uniformLocation("matrix"); +} + +void OpenGLWidgetPrivate::render() +{ + const qreal retinaScale = 1.0;//devicePixelRatio(); + glViewport(0, 0, width() * retinaScale, height() * retinaScale); + + glClearColor(0.0, 0.0, 0.0, 1.0); + glClear(GL_COLOR_BUFFER_BIT); + + m_program->bind(); + + QMatrix4x4 matrix; + matrix.perspective(60, 4.0/3.0, 0.1, 100.0); + matrix.translate(0, 0, -2); + matrix.rotate(100.0f * m_frame / 30/*screen()->refreshRate()*/, 0, 1, 0); + + m_program->setUniformValue(m_matrixUniform, matrix); + + GLfloat vertices[] = { + 0.0f, 0.707f, + -0.5f, -0.5f, + 0.5f, -0.5f + }; + + GLfloat colors[] = { + 1.0f, 0.0f, 0.0f, + 0.0f, 1.0f, 0.0f, + 0.0f, 0.0f, 1.0f + }; + + glVertexAttribPointer(m_posAttr, 2, GL_FLOAT, GL_FALSE, 0, vertices); + glVertexAttribPointer(m_colAttr, 3, GL_FLOAT, GL_FALSE, 0, colors); + + glEnableVertexAttribArray(0); + glEnableVertexAttribArray(1); + + glDrawArrays(GL_TRIANGLES, 0, 3); + + glDisableVertexAttribArray(1); + glDisableVertexAttribArray(0); + + m_program->release(); + + ++m_frame; +} diff --git a/tests/manual/qopenglwidget/openglwidget/openglwidget.h b/tests/manual/qopenglwidget/openglwidget/openglwidget.h new file mode 100644 index 0000000000..eaba27df26 --- /dev/null +++ b/tests/manual/qopenglwidget/openglwidget/openglwidget.h @@ -0,0 +1,63 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 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, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef OPENGLWIDGET_H +#define OPENGLWIDGET_H + +#include <QtWidgets/private/qopenglwidget_p.h> + +class OpenGLWidgetPrivate; +class OpenGLWidget : public QOpenGLWidget +{ + Q_OBJECT +public: + OpenGLWidget(QWidget *parent = 0); + ~OpenGLWidget(); + + void initializeGL(); + void resizeGL(int w, int h); + void paintGL(); + +private: + OpenGLWidgetPrivate *d; +}; + +#endif // OPENGLWIDGET_H diff --git a/tests/manual/qopenglwidget/openglwidget/openglwidget.pro b/tests/manual/qopenglwidget/openglwidget/openglwidget.pro new file mode 100644 index 0000000000..63d877e7b0 --- /dev/null +++ b/tests/manual/qopenglwidget/openglwidget/openglwidget.pro @@ -0,0 +1,9 @@ +QT += widgets widgets-private gui-private core-private + +TARGET = openglwidget +TEMPLATE = app + +SOURCES += main.cpp \ + openglwidget.cpp + +HEADERS += openglwidget.h |