summaryrefslogtreecommitdiffstats
path: root/examples/opengl
diff options
context:
space:
mode:
Diffstat (limited to 'examples/opengl')
-rw-r--r--examples/opengl/legacy/framebufferobject2/framebufferobject2.pro8
-rw-r--r--examples/opengl/legacy/grabber/grabber.pro8
-rw-r--r--examples/opengl/legacy/hellogl/glwidget.cpp4
-rw-r--r--examples/opengl/legacy/hellogl/glwidget.h3
-rw-r--r--examples/opengl/legacy/hellogl/hellogl.pro8
-rw-r--r--examples/opengl/legacy/overpainting/glwidget.cpp4
-rw-r--r--examples/opengl/legacy/overpainting/glwidget.h3
-rw-r--r--examples/opengl/legacy/overpainting/overpainting.pro8
-rw-r--r--examples/opengl/legacy/pbuffers/pbuffers.pro8
-rw-r--r--examples/opengl/legacy/pbuffers2/pbuffers2.pro8
-rw-r--r--examples/opengl/legacy/samplebuffers/samplebuffers.pro8
-rw-r--r--examples/opengl/legacy/shared/qtlogo.cpp37
-rw-r--r--examples/opengl/legacy/shared/qtlogo.h3
-rw-r--r--examples/opengl/qopenglwidget/glwidget.cpp6
-rw-r--r--examples/opengl/qopenglwidget/mainwindow.cpp20
-rw-r--r--examples/opengl/qopenglwidget/mainwindow.h2
16 files changed, 66 insertions, 72 deletions
diff --git a/examples/opengl/legacy/framebufferobject2/framebufferobject2.pro b/examples/opengl/legacy/framebufferobject2/framebufferobject2.pro
index e0067cf27f..78fc6b1a63 100644
--- a/examples/opengl/legacy/framebufferobject2/framebufferobject2.pro
+++ b/examples/opengl/legacy/framebufferobject2/framebufferobject2.pro
@@ -5,11 +5,7 @@ RESOURCES += framebufferobject2.qrc
QT += opengl widgets
# install
-target.path = $$[QT_INSTALL_EXAMPLES]/opengl/framebufferobject2
+target.path = $$[QT_INSTALL_EXAMPLES]/opengl/legacy/framebufferobject2
INSTALLS += target
-contains(QT_CONFIG, opengles.) {
- contains(QT_CONFIG, angle): \
- warning("Qt was built with ANGLE, which provides only OpenGL ES 2.0 on top of DirectX 9.0c")
- error("This example requires Qt to be configured with -opengl desktop")
-}
+contains(QT_CONFIG, opengles.|angle|dynamicgl):error("This example requires Qt to be configured with -opengl desktop")
diff --git a/examples/opengl/legacy/grabber/grabber.pro b/examples/opengl/legacy/grabber/grabber.pro
index b8567580f0..1db0e23156 100644
--- a/examples/opengl/legacy/grabber/grabber.pro
+++ b/examples/opengl/legacy/grabber/grabber.pro
@@ -6,11 +6,7 @@ SOURCES = glwidget.cpp \
QT += opengl widgets
# install
-target.path = $$[QT_INSTALL_EXAMPLES]/opengl/grabber
+target.path = $$[QT_INSTALL_EXAMPLES]/opengl/legacy/grabber
INSTALLS += target
-contains(QT_CONFIG, opengles.) {
- contains(QT_CONFIG, angle): \
- warning("Qt was built with ANGLE, which provides only OpenGL ES 2.0 on top of DirectX 9.0c")
- error("This example requires Qt to be configured with -opengl desktop")
-}
+contains(QT_CONFIG, opengles.|angle|dynamicgl):error("This example requires Qt to be configured with -opengl desktop")
diff --git a/examples/opengl/legacy/hellogl/glwidget.cpp b/examples/opengl/legacy/hellogl/glwidget.cpp
index 02501cd99e..122f7ddfe1 100644
--- a/examples/opengl/legacy/hellogl/glwidget.cpp
+++ b/examples/opengl/legacy/hellogl/glwidget.cpp
@@ -128,6 +128,8 @@ void GLWidget::setZRotation(int angle)
//! [6]
void GLWidget::initializeGL()
{
+ initializeOpenGLFunctions();
+
qglClearColor(qtPurple.dark());
logo = new QtLogo(this, 64);
@@ -153,7 +155,7 @@ void GLWidget::paintGL()
glRotatef(xRot / 16.0, 1.0, 0.0, 0.0);
glRotatef(yRot / 16.0, 0.0, 1.0, 0.0);
glRotatef(zRot / 16.0, 0.0, 0.0, 1.0);
- logo->draw();
+ logo->draw(static_cast<QOpenGLFunctions_1_1 *>(this));
}
//! [7]
diff --git a/examples/opengl/legacy/hellogl/glwidget.h b/examples/opengl/legacy/hellogl/glwidget.h
index 994e38e13d..9aca4451df 100644
--- a/examples/opengl/legacy/hellogl/glwidget.h
+++ b/examples/opengl/legacy/hellogl/glwidget.h
@@ -42,11 +42,12 @@
#define GLWIDGET_H
#include <QGLWidget>
+#include <QOpenGLFunctions_1_1>
class QtLogo;
//! [0]
-class GLWidget : public QGLWidget
+class GLWidget : public QGLWidget, public QOpenGLFunctions_1_1
{
Q_OBJECT
diff --git a/examples/opengl/legacy/hellogl/hellogl.pro b/examples/opengl/legacy/hellogl/hellogl.pro
index 500bd85b3c..c211242fd2 100644
--- a/examples/opengl/legacy/hellogl/hellogl.pro
+++ b/examples/opengl/legacy/hellogl/hellogl.pro
@@ -11,11 +11,7 @@ SOURCES = glwidget.cpp \
QT += opengl widgets
# install
-target.path = $$[QT_INSTALL_EXAMPLES]/opengl/hellogl
+target.path = $$[QT_INSTALL_EXAMPLES]/opengl/legacy/hellogl
INSTALLS += target
-contains(QT_CONFIG, opengles.) {
- contains(QT_CONFIG, angle): \
- warning("Qt was built with ANGLE, which provides only OpenGL ES 2.0 on top of DirectX 9.0c")
- error("This example requires Qt to be configured with -opengl desktop")
-}
+contains(QT_CONFIG, opengles.|angle):error("This example requires Qt to be configured with -opengl desktop")
diff --git a/examples/opengl/legacy/overpainting/glwidget.cpp b/examples/opengl/legacy/overpainting/glwidget.cpp
index b41bc31126..52b6c35801 100644
--- a/examples/opengl/legacy/overpainting/glwidget.cpp
+++ b/examples/opengl/legacy/overpainting/glwidget.cpp
@@ -115,6 +115,8 @@ void GLWidget::setZRotation(int angle)
//! [2]
void GLWidget::initializeGL()
{
+ initializeOpenGLFunctions();
+
glEnable(GL_MULTISAMPLE);
logo = new QtLogo(this);
@@ -173,7 +175,7 @@ void GLWidget::paintEvent(QPaintEvent *event)
glRotatef(yRot / 16.0, 0.0, 1.0, 0.0);
glRotatef(zRot / 16.0, 0.0, 0.0, 1.0);
- logo->draw();
+ logo->draw(static_cast<QOpenGLFunctions_1_1 *>(this));
//! [7]
//! [8]
diff --git a/examples/opengl/legacy/overpainting/glwidget.h b/examples/opengl/legacy/overpainting/glwidget.h
index dd5c0ba9ff..7e62a00170 100644
--- a/examples/opengl/legacy/overpainting/glwidget.h
+++ b/examples/opengl/legacy/overpainting/glwidget.h
@@ -42,13 +42,14 @@
#define GLWIDGET_H
#include <QGLWidget>
+#include <QOpenGLFunctions_1_1>
#include <QTimer>
class Bubble;
class QtLogo;
//! [0]
-class GLWidget : public QGLWidget
+class GLWidget : public QGLWidget, public QOpenGLFunctions_1_1
{
Q_OBJECT
diff --git a/examples/opengl/legacy/overpainting/overpainting.pro b/examples/opengl/legacy/overpainting/overpainting.pro
index c1bda7853d..cc46f18889 100644
--- a/examples/opengl/legacy/overpainting/overpainting.pro
+++ b/examples/opengl/legacy/overpainting/overpainting.pro
@@ -13,11 +13,7 @@ SOURCES = bubble.cpp \
qtlogo.cpp
# install
-target.path = $$[QT_INSTALL_EXAMPLES]/opengl/overpainting
+target.path = $$[QT_INSTALL_EXAMPLES]/opengl/legacy/overpainting
INSTALLS += target
-contains(QT_CONFIG, opengles.) {
- contains(QT_CONFIG, angle): \
- warning("Qt was built with ANGLE, which provides only OpenGL ES 2.0 on top of DirectX 9.0c")
- error("This example requires Qt to be configured with -opengl desktop")
-}
+contains(QT_CONFIG, opengles.|angle):error("This example requires Qt to be configured with -opengl desktop")
diff --git a/examples/opengl/legacy/pbuffers/pbuffers.pro b/examples/opengl/legacy/pbuffers/pbuffers.pro
index a349e39f68..d779a2a2dc 100644
--- a/examples/opengl/legacy/pbuffers/pbuffers.pro
+++ b/examples/opengl/legacy/pbuffers/pbuffers.pro
@@ -7,11 +7,7 @@ RESOURCES += pbuffers.qrc
QT += opengl widgets
# install
-target.path = $$[QT_INSTALL_EXAMPLES]/opengl/pbuffers
+target.path = $$[QT_INSTALL_EXAMPLES]/opengl/legacy/pbuffers
INSTALLS += target
-contains(QT_CONFIG, opengles.) {
- contains(QT_CONFIG, angle): \
- warning("Qt was built with ANGLE, which provides only OpenGL ES 2.0 on top of DirectX 9.0c")
- error("This example requires Qt to be configured with -opengl desktop")
-}
+contains(QT_CONFIG, opengles.|angle|dynamicgl):error("This example requires Qt to be configured with -opengl desktop")
diff --git a/examples/opengl/legacy/pbuffers2/pbuffers2.pro b/examples/opengl/legacy/pbuffers2/pbuffers2.pro
index f9dd269eea..2ba40a6f74 100644
--- a/examples/opengl/legacy/pbuffers2/pbuffers2.pro
+++ b/examples/opengl/legacy/pbuffers2/pbuffers2.pro
@@ -5,11 +5,7 @@ SOURCES += glwidget.cpp main.cpp
RESOURCES += pbuffers2.qrc
# install
-target.path = $$[QT_INSTALL_EXAMPLES]/opengl/pbuffers2
+target.path = $$[QT_INSTALL_EXAMPLES]/opengl/legacy/pbuffers2
INSTALLS += target
-contains(QT_CONFIG, opengles.) {
- contains(QT_CONFIG, angle): \
- warning("Qt was built with ANGLE, which provides only OpenGL ES 2.0 on top of DirectX 9.0c")
- error("This example requires Qt to be configured with -opengl desktop")
-}
+contains(QT_CONFIG, opengles.|angle|dynamicgl):error("This example requires Qt to be configured with -opengl desktop")
diff --git a/examples/opengl/legacy/samplebuffers/samplebuffers.pro b/examples/opengl/legacy/samplebuffers/samplebuffers.pro
index b57599aae4..3719f5039d 100644
--- a/examples/opengl/legacy/samplebuffers/samplebuffers.pro
+++ b/examples/opengl/legacy/samplebuffers/samplebuffers.pro
@@ -4,11 +4,7 @@ SOURCES += glwidget.cpp main.cpp
QT += opengl widgets
# install
-target.path = $$[QT_INSTALL_EXAMPLES]/opengl/samplebuffers
+target.path = $$[QT_INSTALL_EXAMPLES]/opengl/legacy/samplebuffers
INSTALLS += target
-contains(QT_CONFIG, opengles.) {
- contains(QT_CONFIG, angle): \
- warning("Qt was built with ANGLE, which provides only OpenGL ES 2.0 on top of DirectX 9.0c")
- error("This example requires Qt to be configured with -opengl desktop")
-}
+contains(QT_CONFIG, opengles.|angle|dynamicgl):error("This example requires Qt to be configured with -opengl desktop")
diff --git a/examples/opengl/legacy/shared/qtlogo.cpp b/examples/opengl/legacy/shared/qtlogo.cpp
index efe3fb0201..0d960dd4b6 100644
--- a/examples/opengl/legacy/shared/qtlogo.cpp
+++ b/examples/opengl/legacy/shared/qtlogo.cpp
@@ -43,6 +43,7 @@
#include <QGLWidget>
#include <QMatrix4x4>
#include <QVector3D>
+#include <QOpenGLFunctions_1_1>
#include <qmath.h>
@@ -60,7 +61,7 @@ struct Geometry
void appendSmooth(const QVector3D &a, const QVector3D &n, int from);
void appendFaceted(const QVector3D &a, const QVector3D &n);
void finalize();
- void loadArrays() const;
+ void loadArrays(QOpenGLFunctions_1_1 *functions) const;
};
//! [0]
@@ -73,7 +74,7 @@ public:
void setSmoothing(Smoothing s) { sm = s; }
void translate(const QVector3D &t);
void rotate(qreal deg, QVector3D axis);
- void draw() const;
+ void draw(QOpenGLFunctions_1_1 *functions) const;
void addTri(const QVector3D &a, const QVector3D &b, const QVector3D &c, const QVector3D &n);
void addQuad(const QVector3D &a, const QVector3D &b, const QVector3D &c, const QVector3D &d);
@@ -96,10 +97,10 @@ static inline void qSetColor(float colorVec[], QColor c)
colorVec[3] = c.alphaF();
}
-void Geometry::loadArrays() const
+void Geometry::loadArrays(QOpenGLFunctions_1_1 *functions) const
{
- glVertexPointer(3, GL_FLOAT, 0, vertices.constData());
- glNormalPointer(GL_FLOAT, 0, normals.constData());
+ functions->glVertexPointer(3, GL_FLOAT, 0, vertices.constData());
+ functions->glNormalPointer(GL_FLOAT, 0, normals.constData());
}
void Geometry::finalize()
@@ -170,15 +171,15 @@ void Patch::translate(const QVector3D &t)
}
//! [2]
-void Patch::draw() const
+void Patch::draw(QOpenGLFunctions_1_1 *functions) const
{
- glPushMatrix();
- glMultMatrixf(mat.constData());
- glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, faceColor);
+ functions->glPushMatrix();
+ functions->glMultMatrixf(mat.constData());
+ functions->glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, faceColor);
const GLushort *indices = geom->faces.constData();
- glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_SHORT, indices + start);
- glPopMatrix();
+ functions->glDrawElements(GL_TRIANGLES, count, GL_UNSIGNED_SHORT, indices + start);
+ functions->glPopMatrix();
}
//! [2]
@@ -371,17 +372,17 @@ void QtLogo::buildGeometry(int divisions, qreal scale)
//! [3]
//! [4]
-void QtLogo::draw() const
+void QtLogo::draw(QOpenGLFunctions_1_1 *functions) const
{
- geom->loadArrays();
+ geom->loadArrays(functions);
- glEnableClientState(GL_VERTEX_ARRAY);
- glEnableClientState(GL_NORMAL_ARRAY);
+ functions->glEnableClientState(GL_VERTEX_ARRAY);
+ functions->glEnableClientState(GL_NORMAL_ARRAY);
for (int i = 0; i < parts.count(); ++i)
- parts[i]->draw();
+ parts[i]->draw(functions);
- glDisableClientState(GL_VERTEX_ARRAY);
- glDisableClientState(GL_NORMAL_ARRAY);
+ functions->glDisableClientState(GL_VERTEX_ARRAY);
+ functions->glDisableClientState(GL_NORMAL_ARRAY);
}
//! [4]
diff --git a/examples/opengl/legacy/shared/qtlogo.h b/examples/opengl/legacy/shared/qtlogo.h
index 562435daed..9bd15a1431 100644
--- a/examples/opengl/legacy/shared/qtlogo.h
+++ b/examples/opengl/legacy/shared/qtlogo.h
@@ -44,6 +44,7 @@
#include <QObject>
#include <QColor>
+class QOpenGLFunctions_1_1;
class Patch;
struct Geometry;
@@ -54,7 +55,7 @@ public:
explicit QtLogo(QObject *parent, int d = 64, qreal s = 1.0);
~QtLogo();
void setColor(QColor c);
- void draw() const;
+ void draw(QOpenGLFunctions_1_1 *functions) const;
private:
void buildGeometry(int d, qreal s);
diff --git a/examples/opengl/qopenglwidget/glwidget.cpp b/examples/opengl/qopenglwidget/glwidget.cpp
index f93e667615..df52e3efbf 100644
--- a/examples/opengl/qopenglwidget/glwidget.cpp
+++ b/examples/opengl/qopenglwidget/glwidget.cpp
@@ -537,14 +537,14 @@ void GLWidget::setTransparent(bool transparent)
window()->update();
}
-void GLWidget::resizeGL(int w, int h)
+void GLWidget::resizeGL(int, int)
{
if (m_hasButton) {
if (!m_btn) {
- m_btn = new QPushButton("A widget on top.\nPress me!", this);
+ m_btn = new QPushButton("A widget on top.\nPress for more widgets.", this);
connect(m_btn, &QPushButton::clicked, this, &GLWidget::handleButtonPress);
}
- m_btn->move(w / 2, h / 2);
+ m_btn->move(20, 80);
}
}
diff --git a/examples/opengl/qopenglwidget/mainwindow.cpp b/examples/opengl/qopenglwidget/mainwindow.cpp
index 6cf1d5d6e2..22111afdcb 100644
--- a/examples/opengl/qopenglwidget/mainwindow.cpp
+++ b/examples/opengl/qopenglwidget/mainwindow.cpp
@@ -47,6 +47,7 @@
#include <QLabel>
#include <QCheckBox>
#include <QSpinBox>
+#include <QScrollArea>
#include "glwidget.h"
@@ -69,7 +70,7 @@ MainWindow::MainWindow()
"and therefore an interval < 16 ms will likely lead to a 60 FPS update rate.");
QGroupBox *updateGroupBox = new QGroupBox(this);
QCheckBox *timerBased = new QCheckBox("Use timer", this);
- timerBased->setChecked(true);
+ timerBased->setChecked(false);
timerBased->setToolTip("Toggles using a timer to trigger update().\n"
"When not set, each paintGL() schedules the next update immediately,\n"
"expecting the blocking swap to throttle the thread.\n"
@@ -87,7 +88,7 @@ MainWindow::MainWindow()
slider->setRange(0, 50);
slider->setSliderPosition(30);
m_timer->setInterval(10);
- label->setText("A QOpenGLWidget");
+ label->setText("A scrollable QOpenGLWidget");
label->setAlignment(Qt::AlignHCenter);
QGroupBox * groupBox = new QGroupBox(this);
@@ -96,7 +97,10 @@ MainWindow::MainWindow()
m_layout = new QGridLayout(groupBox);
- m_layout->addWidget(glwidget,1,0,8,1);
+ QScrollArea *scrollArea = new QScrollArea;
+ scrollArea->setWidget(glwidget);
+
+ m_layout->addWidget(scrollArea,1,0,8,1);
m_layout->addWidget(label,9,0,1,1);
m_layout->addWidget(updateGroupBox, 10, 0, 1, 1);
m_layout->addWidget(slider, 11,0,1,1);
@@ -134,7 +138,10 @@ MainWindow::MainWindow()
connect(timerBased, &QCheckBox::toggled, this, &MainWindow::timerUsageChanged);
connect(timerBased, &QCheckBox::toggled, updateInterval, &QWidget::setEnabled);
- m_timer->start();
+ if (timerBased->isChecked())
+ m_timer->start();
+ else
+ updateInterval->setEnabled(false);
}
void MainWindow::updateIntervalChanged(int value)
@@ -170,3 +177,8 @@ void MainWindow::timerUsageChanged(bool enabled)
w->update();
}
}
+
+void MainWindow::resizeEvent(QResizeEvent *)
+{
+ m_glWidgets[0]->setMinimumSize(size() + QSize(128, 128));
+}
diff --git a/examples/opengl/qopenglwidget/mainwindow.h b/examples/opengl/qopenglwidget/mainwindow.h
index f1b2c51e53..9ad8a01339 100644
--- a/examples/opengl/qopenglwidget/mainwindow.h
+++ b/examples/opengl/qopenglwidget/mainwindow.h
@@ -56,6 +56,8 @@ public:
void addNew();
bool timerEnabled() const { return m_timer->isActive(); }
+ void resizeEvent(QResizeEvent *);
+
private slots:
void updateIntervalChanged(int value);
void timerUsageChanged(bool enabled);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-27 10:11:21 +0000