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Diffstat (limited to 'examples/opengl/contextinfo/widget.cpp')
| -rw-r--r-- | examples/opengl/contextinfo/widget.cpp | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/examples/opengl/contextinfo/widget.cpp b/examples/opengl/contextinfo/widget.cpp deleted file mode 100644 index df1e6a6f7b..0000000000 --- a/examples/opengl/contextinfo/widget.cpp +++ /dev/null @@ -1,403 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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 The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, 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 The Qt Company Ltd 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 "widget.h" -#include "renderwindow.h" -#include <QVBoxLayout> -#include <QComboBox> -#include <QGroupBox> -#include <QRadioButton> -#include <QCheckBox> -#include <QHBoxLayout> -#include <QLabel> -#include <QPushButton> -#include <QTextEdit> -#include <QSplitter> -#include <QGuiApplication> -#include <QSurfaceFormat> -#include <QOpenGLContext> -#include <QOpenGLFunctions> -#include <QDebug> -#include <QTextStream> - -struct Version { - const char *str; - int major; - int minor; -}; - -static struct Version versions[] = { - { "1.0", 1, 0 }, - { "1.1", 1, 1 }, - { "1.2", 1, 2 }, - { "1.3", 1, 3 }, - { "1.4", 1, 4 }, - { "1.5", 1, 5 }, - { "2.0", 2, 0 }, - { "2.1", 2, 1 }, - { "3.0", 3, 0 }, - { "3.1", 3, 1 }, - { "3.2", 3, 2 }, - { "3.3", 3, 3 }, - { "4.0", 4, 0 }, - { "4.1", 4, 1 }, - { "4.2", 4, 2 }, - { "4.3", 4, 3 }, - { "4.4", 4, 4 }, - { "4.5", 4, 5 } -}; - -struct Profile { - const char *str; - QSurfaceFormat::OpenGLContextProfile profile; -}; - -static struct Profile profiles[] = { - { "none", QSurfaceFormat::NoProfile }, - { "core", QSurfaceFormat::CoreProfile }, - { "compatibility", QSurfaceFormat::CompatibilityProfile } -}; - -struct Option { - const char *str; - QSurfaceFormat::FormatOption option; -}; - -static struct Option options[] = { - { "deprecated functions (not forward compatible)", QSurfaceFormat::DeprecatedFunctions }, - { "debug context", QSurfaceFormat::DebugContext }, - { "stereo buffers", QSurfaceFormat::StereoBuffers }, - // This is not a QSurfaceFormat option but is helpful to determine if the driver - // allows compiling old-style shaders with core profile. - { "force version 110 shaders", QSurfaceFormat::FormatOption(0) } -}; - -struct Renderable { - const char *str; - QSurfaceFormat::RenderableType renderable; -}; - -static struct Renderable renderables[] = { - { "default", QSurfaceFormat::DefaultRenderableType }, - { "OpenGL", QSurfaceFormat::OpenGL }, - { "OpenGL ES", QSurfaceFormat::OpenGLES } -}; - -void Widget::addVersions(QLayout *layout) -{ - QHBoxLayout *hbox = new QHBoxLayout; - hbox->setSpacing(20); - QLabel *label = new QLabel(tr("Context &version: ")); - hbox->addWidget(label); - m_version = new QComboBox; - m_version->setMinimumWidth(60); - label->setBuddy(m_version); - hbox->addWidget(m_version); - for (size_t i = 0; i < sizeof(versions) / sizeof(Version); ++i) { - m_version->addItem(QString::fromLatin1(versions[i].str)); - if (versions[i].major == 2 && versions[i].minor == 0) - m_version->setCurrentIndex(m_version->count() - 1); - } - - QPushButton *btn = new QPushButton(tr("Create context")); - connect(btn, &QPushButton::clicked, this, &Widget::start); - btn->setMinimumSize(120, 40); - hbox->addWidget(btn); - - layout->addItem(hbox); -} - -void Widget::addProfiles(QLayout *layout) -{ - QGroupBox *groupBox = new QGroupBox(tr("Profile")); - QVBoxLayout *vbox = new QVBoxLayout; - for (size_t i = 0; i < sizeof(profiles) / sizeof(Profile); ++i) - vbox->addWidget(new QRadioButton(QString::fromLatin1(profiles[i].str))); - static_cast<QRadioButton *>(vbox->itemAt(0)->widget())->setChecked(true); - groupBox->setLayout(vbox); - layout->addWidget(groupBox); - m_profiles = vbox; -} - -void Widget::addOptions(QLayout *layout) -{ - QGroupBox *groupBox = new QGroupBox(tr("Options")); - QVBoxLayout *vbox = new QVBoxLayout; - for (size_t i = 0; i < sizeof(options) / sizeof(Option); ++i) - vbox->addWidget(new QCheckBox(QString::fromLatin1(options[i].str))); - groupBox->setLayout(vbox); - layout->addWidget(groupBox); - m_options = vbox; -} - -void Widget::addRenderableTypes(QLayout *layout) -{ - QGroupBox *groupBox = new QGroupBox(tr("Renderable type")); - QVBoxLayout *vbox = new QVBoxLayout; - for (size_t i = 0; i < sizeof(renderables) / sizeof(Renderable); ++i) - vbox->addWidget(new QRadioButton(QString::fromLatin1(renderables[i].str))); - static_cast<QRadioButton *>(vbox->itemAt(0)->widget())->setChecked(true); - groupBox->setLayout(vbox); - layout->addWidget(groupBox); - m_renderables = vbox; -} - -void Widget::addRenderWindow() -{ - m_renderWindowLayout->addWidget(m_renderWindowContainer); -} - -static QWidget *widgetWithLayout(QLayout *layout) -{ - QWidget *w = new QWidget; - w->setLayout(layout); - return w; -} - -Widget::Widget(QWidget *parent) - : QWidget(parent) -{ - QVBoxLayout *layout = new QVBoxLayout; - QSplitter *vsplit = new QSplitter(Qt::Vertical); - layout->addWidget(vsplit); - - QSplitter *hsplit = new QSplitter; - - QVBoxLayout *settingsLayout = new QVBoxLayout; - addVersions(settingsLayout); - addProfiles(settingsLayout); - addOptions(settingsLayout); - addRenderableTypes(settingsLayout); - hsplit->addWidget(widgetWithLayout(settingsLayout)); - - QVBoxLayout *outputLayout = new QVBoxLayout; - m_output = new QTextEdit; - m_output->setReadOnly(true); - outputLayout->addWidget(m_output); - m_extensions = new QTextEdit; - m_extensions->setReadOnly(true); - outputLayout->addWidget(m_extensions); - hsplit->addWidget(widgetWithLayout(outputLayout)); - - hsplit->setStretchFactor(0, 4); - hsplit->setStretchFactor(1, 6); - vsplit->addWidget(hsplit); - - m_renderWindowLayout = new QVBoxLayout; - vsplit->addWidget(widgetWithLayout(m_renderWindowLayout)); - vsplit->setStretchFactor(1, 5); - - m_renderWindowContainer = new QWidget; - addRenderWindow(); - - QString description; - QTextStream str(&description); - str << "Qt " << QT_VERSION_STR << ' ' << QGuiApplication::platformName(); - const char *openGlVariables[] = - {"QT_ANGLE_PLATFORM", "QT_OPENGL", "QT_OPENGL_BUGLIST", "QT_OPENGL_DLL"}; - const size_t variableCount = sizeof(openGlVariables) / sizeof(openGlVariables[0]); - for (size_t v = 0; v < variableCount; ++v) { - if (qEnvironmentVariableIsSet(openGlVariables[v])) - str << ' ' << openGlVariables[v] << '=' << qgetenv(openGlVariables[v]); - } - if (QCoreApplication::testAttribute(Qt::AA_UseOpenGLES)) - str << " Qt::AA_UseOpenGLES"; - if (QCoreApplication::testAttribute(Qt::AA_UseSoftwareOpenGL)) - str << " Qt::AA_UseSoftwareOpenGL"; - if (QCoreApplication::testAttribute(Qt::AA_UseDesktopOpenGL)) - str << " Qt::AA_UseDesktopOpenGL"; - layout->addWidget(new QLabel(description)); - - setLayout(layout); -} - -void Widget::start() -{ - QSurfaceFormat fmt; - - int idx = m_version->currentIndex(); - if (idx < 0) - return; - fmt.setVersion(versions[idx].major, versions[idx].minor); - - for (size_t i = 0; i < sizeof(profiles) / sizeof(Profile); ++i) - if (static_cast<QRadioButton *>(m_profiles->itemAt(int(i))->widget())->isChecked()) { - fmt.setProfile(profiles[i].profile); - break; - } - - bool forceGLSL110 = false; - for (size_t i = 0; i < sizeof(options) / sizeof(Option); ++i) - if (static_cast<QCheckBox *>(m_options->itemAt(int(i))->widget())->isChecked()) { - if (options[i].option) - fmt.setOption(options[i].option); - else if (i == 3) - forceGLSL110 = true; - } - - for (size_t i = 0; i < sizeof(renderables) / sizeof(Renderable); ++i) - if (static_cast<QRadioButton *>(m_renderables->itemAt(int(i))->widget())->isChecked()) { - fmt.setRenderableType(renderables[i].renderable); - break; - } - - // The example rendering will need a depth buffer. - fmt.setDepthBufferSize(16); - - m_output->clear(); - m_extensions->clear(); - qDebug() << "Requesting surface format" << fmt; - - m_renderWindowLayout->removeWidget(m_renderWindowContainer); - delete m_renderWindowContainer; - - RenderWindow *renderWindow = new RenderWindow(fmt); - if (!renderWindow->context()) { - m_output->append(tr("Failed to create context")); - delete renderWindow; - m_renderWindowContainer = new QWidget; - addRenderWindow(); - return; - } - m_surface = renderWindow; - - renderWindow->setForceGLSL110(forceGLSL110); - connect(renderWindow, &RenderWindow::ready, this, &Widget::renderWindowReady); - connect(renderWindow, &RenderWindow::error, this, &Widget::renderWindowError); - - m_renderWindowContainer = QWidget::createWindowContainer(renderWindow); - addRenderWindow(); -} - -void Widget::printFormat(const QSurfaceFormat &format) -{ - m_output->append(tr("OpenGL version: %1.%2").arg(format.majorVersion()).arg(format.minorVersion())); - - for (size_t i = 0; i < sizeof(profiles) / sizeof(Profile); ++i) - if (profiles[i].profile == format.profile()) { - m_output->append(tr("Profile: %1").arg(QString::fromLatin1(profiles[i].str))); - break; - } - - QString opts; - for (size_t i = 0; i < sizeof(options) / sizeof(Option); ++i) - if (format.testOption(options[i].option)) - opts += QString::fromLatin1(options[i].str) + QLatin1Char(' '); - m_output->append(tr("Options: %1").arg(opts)); - - for (size_t i = 0; i < sizeof(renderables) / sizeof(Renderable); ++i) - if (renderables[i].renderable == format.renderableType()) { - m_output->append(tr("Renderable type: %1").arg(QString::fromLatin1(renderables[i].str))); - break; - } - - m_output->append(tr("Depth buffer size: %1").arg(QString::number(format.depthBufferSize()))); - m_output->append(tr("Stencil buffer size: %1").arg(QString::number(format.stencilBufferSize()))); - m_output->append(tr("Samples: %1").arg(QString::number(format.samples()))); - m_output->append(tr("Red buffer size: %1").arg(QString::number(format.redBufferSize()))); - m_output->append(tr("Green buffer size: %1").arg(QString::number(format.greenBufferSize()))); - m_output->append(tr("Blue buffer size: %1").arg(QString::number(format.blueBufferSize()))); - m_output->append(tr("Alpha buffer size: %1").arg(QString::number(format.alphaBufferSize()))); - m_output->append(tr("Swap interval: %1").arg(QString::number(format.swapInterval()))); -} - -void Widget::renderWindowReady() -{ - QOpenGLContext *context = QOpenGLContext::currentContext(); - Q_ASSERT(context); - - QString vendor, renderer, version, glslVersion; - const GLubyte *p; - QOpenGLFunctions *f = context->functions(); - if ((p = f->glGetString(GL_VENDOR))) - vendor = QString::fromLatin1(reinterpret_cast<const char *>(p)); - if ((p = f->glGetString(GL_RENDERER))) - renderer = QString::fromLatin1(reinterpret_cast<const char *>(p)); - if ((p = f->glGetString(GL_VERSION))) - version = QString::fromLatin1(reinterpret_cast<const char *>(p)); - if ((p = f->glGetString(GL_SHADING_LANGUAGE_VERSION))) - glslVersion = QString::fromLatin1(reinterpret_cast<const char *>(p)); - - m_output->append(tr("*** Context information ***")); - m_output->append(tr("Vendor: %1").arg(vendor)); - m_output->append(tr("Renderer: %1").arg(renderer)); - m_output->append(tr("OpenGL version: %1").arg(version)); - m_output->append(tr("GLSL version: %1").arg(glslVersion)); - - m_output->append(tr("\n*** QSurfaceFormat from context ***")); - printFormat(context->format()); - - m_output->append(tr("\n*** QSurfaceFormat from window surface ***")); - printFormat(m_surface->format()); - - m_output->append(tr("\n*** Qt build information ***")); - const char *gltype[] = { "Desktop", "GLES 2", "GLES 1" }; - m_output->append(tr("Qt OpenGL configuration: %1") - .arg(QString::fromLatin1(gltype[QOpenGLContext::openGLModuleType()]))); -#if defined(Q_OS_WIN) - using namespace QNativeInterface; - m_output->append(tr("Qt OpenGL library handle: %1") - .arg(QString::number(qintptr(QWGLContext::openGLModuleHandle()), 16))); -#endif - - QList<QByteArray> extensionList = context->extensions().values(); - std::sort(extensionList.begin(), extensionList.end()); - m_extensions->append(tr("Found %1 extensions:").arg(extensionList.count())); - for (const QByteArray &ext : qAsConst(extensionList)) - m_extensions->append(QString::fromLatin1(ext)); - - m_output->moveCursor(QTextCursor::Start); - m_extensions->moveCursor(QTextCursor::Start); -} - -void Widget::renderWindowError(const QString &msg) -{ - m_output->append(tr("An error has occurred:\n%1").arg(msg)); -} |