diff options
Diffstat (limited to 'examples/opengl/contextinfo')
| -rw-r--r-- | examples/opengl/contextinfo/CMakeLists.txt | 43 | ||||
| -rw-r--r-- | examples/opengl/contextinfo/contextinfo.pro | 14 | ||||
| -rw-r--r-- | examples/opengl/contextinfo/main.cpp | 72 | ||||
| -rw-r--r-- | examples/opengl/contextinfo/renderwindow.cpp | 238 | ||||
| -rw-r--r-- | examples/opengl/contextinfo/renderwindow.h | 95 | ||||
| -rw-r--r-- | examples/opengl/contextinfo/widget.cpp | 403 | ||||
| -rw-r--r-- | examples/opengl/contextinfo/widget.h | 93 |
7 files changed, 0 insertions, 958 deletions
diff --git a/examples/opengl/contextinfo/CMakeLists.txt b/examples/opengl/contextinfo/CMakeLists.txt deleted file mode 100644 index 1479b6de48..0000000000 --- a/examples/opengl/contextinfo/CMakeLists.txt +++ /dev/null @@ -1,43 +0,0 @@ -# Generated from contextinfo.pro. - -cmake_minimum_required(VERSION 3.16) -project(contextinfo LANGUAGES CXX) - -set(CMAKE_INCLUDE_CURRENT_DIR ON) - -set(CMAKE_AUTOMOC ON) -set(CMAKE_AUTORCC ON) -set(CMAKE_AUTOUIC ON) - -if(NOT DEFINED INSTALL_EXAMPLESDIR) - set(INSTALL_EXAMPLESDIR "examples") -endif() - -set(INSTALL_EXAMPLEDIR "${INSTALL_EXAMPLESDIR}/opengl/contextinfo") - -find_package(Qt6 COMPONENTS Core) -find_package(Qt6 COMPONENTS Gui) -find_package(Qt6 COMPONENTS Widgets) -find_package(Qt6 COMPONENTS OpenGL) - -qt_add_executable(contextinfo - main.cpp - renderwindow.cpp renderwindow.h - widget.cpp widget.h -) -set_target_properties(contextinfo PROPERTIES - WIN32_EXECUTABLE TRUE - MACOSX_BUNDLE TRUE -) -target_link_libraries(contextinfo PUBLIC - Qt::Core - Qt::Gui - Qt::OpenGL - Qt::Widgets -) - -install(TARGETS contextinfo - RUNTIME DESTINATION "${INSTALL_EXAMPLEDIR}" - BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}" - LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}" -) diff --git a/examples/opengl/contextinfo/contextinfo.pro b/examples/opengl/contextinfo/contextinfo.pro deleted file mode 100644 index ae8f4067b6..0000000000 --- a/examples/opengl/contextinfo/contextinfo.pro +++ /dev/null @@ -1,14 +0,0 @@ -TEMPLATE = app -QT += widgets opengl -requires(qtConfig(filedialog)) - -SOURCES += main.cpp \ - widget.cpp \ - renderwindow.cpp - -HEADERS += widget.h \ - renderwindow.h - -# install -target.path = $$[QT_INSTALL_EXAMPLES]/opengl/contextinfo -INSTALLS += target diff --git a/examples/opengl/contextinfo/main.cpp b/examples/opengl/contextinfo/main.cpp deleted file mode 100644 index 88ab4a7334..0000000000 --- a/examples/opengl/contextinfo/main.cpp +++ /dev/null @@ -1,72 +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 <QApplication> -#include "widget.h" - -int main(int argc, char **argv) -{ - for (int i = 1; i < argc; ++i) { - if (!qstrcmp(argv[i], "-g")) - QCoreApplication::setAttribute(Qt::AA_UseOpenGLES); - else if (!qstrcmp(argv[i], "-s")) - QCoreApplication::setAttribute(Qt::AA_UseSoftwareOpenGL); - else if (!qstrcmp(argv[i], "-d")) - QCoreApplication::setAttribute(Qt::AA_UseDesktopOpenGL); - } - - QApplication app(argc, argv); - - Widget w; - w.resize(700, 800); - w.show(); - - return app.exec(); -} diff --git a/examples/opengl/contextinfo/renderwindow.cpp b/examples/opengl/contextinfo/renderwindow.cpp deleted file mode 100644 index b778fd1d89..0000000000 --- a/examples/opengl/contextinfo/renderwindow.cpp +++ /dev/null @@ -1,238 +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 "renderwindow.h" -#include <QTimer> -#include <QMatrix4x4> -#include <QOpenGLContext> -#include <QtOpenGL/QOpenGLShaderProgram> -#include <QOpenGLFunctions> - -RenderWindow::RenderWindow(const QSurfaceFormat &format) - : m_context(nullptr), - m_initialized(false), - m_forceGLSL110(false), - m_angle(0.0f) -{ - setSurfaceType(QWindow::OpenGLSurface); - setFormat(format); - m_context = new QOpenGLContext(this); - m_context->setFormat(requestedFormat()); - if (!m_context->create()) { - delete m_context; - m_context = nullptr; - } -} - -void RenderWindow::exposeEvent(QExposeEvent *) -{ - if (isExposed()) - render(); -} - -// ES needs the precision qualifiers. -// On desktop GL QOpenGLShaderProgram inserts dummy defines for highp/mediump/lowp. -static const char *vertexShaderSource110 = - "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 *fragmentShaderSource110 = - "varying lowp vec4 col;\n" - "void main() {\n" - " gl_FragColor = col;\n" - "}\n"; - -static const char *vertexShaderSource = - "#version 150\n" - "in vec4 posAttr;\n" - "in vec4 colAttr;\n" - "out vec4 col;\n" - "uniform mat4 matrix;\n" - "void main() {\n" - " col = colAttr;\n" - " gl_Position = matrix * posAttr;\n" - "}\n"; - -static const char *fragmentShaderSource = - "#version 150\n" - "in vec4 col;\n" - "out vec4 fragColor;\n" - "void main() {\n" - " fragColor = col;\n" - "}\n"; - -static GLfloat vertices[] = { - 0.0f, 0.707f, - -0.5f, -0.5f, - 0.5f, -0.5f -}; - -static GLfloat colors[] = { - 1.0f, 0.0f, 0.0f, - 0.0f, 1.0f, 0.0f, - 0.0f, 0.0f, 1.0f -}; - -void RenderWindow::init() -{ - m_program = new QOpenGLShaderProgram(this); - - QSurfaceFormat format = m_context->format(); - bool useNewStyleShader = format.profile() == QSurfaceFormat::CoreProfile; - // Try to handle 3.0 & 3.1 that do not have the core/compatibility profile concept 3.2+ has. - // This may still fail since version 150 (3.2) is specified in the sources but it's worth a try. - if (format.renderableType() == QSurfaceFormat::OpenGL && format.majorVersion() == 3 && format.minorVersion() <= 1) - useNewStyleShader = !format.testOption(QSurfaceFormat::DeprecatedFunctions); - if (m_forceGLSL110) - useNewStyleShader = false; - - const char *vsrc = useNewStyleShader ? vertexShaderSource : vertexShaderSource110; - const char *fsrc = useNewStyleShader ? fragmentShaderSource : fragmentShaderSource110; - qDebug("Using version %s shader", useNewStyleShader ? "150" : "110"); - - if (!m_program->addShaderFromSourceCode(QOpenGLShader::Vertex, vsrc)) { - emit error(m_program->log()); - return; - } - if (!m_program->addShaderFromSourceCode(QOpenGLShader::Fragment, fsrc)) { - emit error(m_program->log()); - return; - } - if (!m_program->link()) { - emit error(m_program->log()); - return; - } - - m_posAttr = m_program->attributeLocation("posAttr"); - m_colAttr = m_program->attributeLocation("colAttr"); - m_matrixUniform = m_program->uniformLocation("matrix"); - - m_vbo.create(); - m_vbo.bind(); - m_vbo.allocate(vertices, sizeof(vertices) + sizeof(colors)); - m_vbo.write(sizeof(vertices), colors, sizeof(colors)); - m_vbo.release(); - - QOpenGLVertexArrayObject::Binder vaoBinder(&m_vao); - if (m_vao.isCreated()) // have VAO support, use it - setupVertexAttribs(); -} - -void RenderWindow::setupVertexAttribs() -{ - m_vbo.bind(); - m_program->setAttributeBuffer(m_posAttr, GL_FLOAT, 0, 2); - m_program->setAttributeBuffer(m_colAttr, GL_FLOAT, sizeof(vertices), 3); - m_program->enableAttributeArray(m_posAttr); - m_program->enableAttributeArray(m_colAttr); - m_vbo.release(); -} - -bool RenderWindow::event(QEvent *ev) -{ - if (ev->type() == QEvent::UpdateRequest) - render(); - return QWindow::event(ev); -} - -void RenderWindow::render() -{ - if (!m_context->makeCurrent(this)) { - emit error(tr("makeCurrent() failed")); - return; - } - - QOpenGLFunctions *f = m_context->functions(); - if (!m_initialized) { - m_initialized = true; - f->glEnable(GL_DEPTH_TEST); - f->glClearColor(0, 0, 0, 1); - init(); - emit ready(); - } - - if (!m_vbo.isCreated()) // init() failed, don't bother with trying to render - return; - - const qreal retinaScale = devicePixelRatio(); - f->glViewport(0, 0, width() * retinaScale, height() * retinaScale); - f->glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); - - m_program->bind(); - QMatrix4x4 matrix; - matrix.perspective(60.0f, 4.0f / 3.0f, 0.1f, 100.0f); - matrix.translate(0.0f, 0.0f, -2.0f); - matrix.rotate(m_angle, 0.0f, 1.0f, 0.0f); - m_program->setUniformValue(m_matrixUniform, matrix); - - if (m_vao.isCreated()) - m_vao.bind(); - else // no VAO support, set the vertex attribute arrays now - setupVertexAttribs(); - - f->glDrawArrays(GL_TRIANGLES, 0, 3); - - m_vao.release(); - m_program->release(); - - // swapInterval is 1 by default which means that swapBuffers() will (hopefully) block - // and wait for vsync. - m_context->swapBuffers(this); - - m_angle += 1.0f; - - requestUpdate(); -} diff --git a/examples/opengl/contextinfo/renderwindow.h b/examples/opengl/contextinfo/renderwindow.h deleted file mode 100644 index 1b4a79dfcf..0000000000 --- a/examples/opengl/contextinfo/renderwindow.h +++ /dev/null @@ -1,95 +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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef RENDERWINDOW_H -#define RENDERWINDOW_H - -#include <QWindow> -#include <QOpenGLVertexArrayObject> -#include <QOpenGLBuffer> - -QT_FORWARD_DECLARE_CLASS(QOpenGLContext) -QT_FORWARD_DECLARE_CLASS(QOpenGLShaderProgram) - -class RenderWindow : public QWindow -{ - Q_OBJECT - -public: - RenderWindow(const QSurfaceFormat &format); - QOpenGLContext *context() { return m_context; } - void exposeEvent(QExposeEvent *) override; - void setForceGLSL110(bool enable) { m_forceGLSL110 = enable; } - -signals: - void ready(); - void error(const QString &msg); - -protected: - bool event(QEvent *ev) override; - -private slots: - void render(); - -private: - void init(); - void setupVertexAttribs(); - - QOpenGLContext *m_context; - bool m_initialized; - bool m_forceGLSL110; - QOpenGLShaderProgram *m_program; - int m_posAttr, m_colAttr, m_matrixUniform; - QOpenGLVertexArrayObject m_vao; - QOpenGLBuffer m_vbo; - float m_angle; -}; - -#endif // RENDERWINDOW_H 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)); -} diff --git a/examples/opengl/contextinfo/widget.h b/examples/opengl/contextinfo/widget.h deleted file mode 100644 index 85d181a229..0000000000 --- a/examples/opengl/contextinfo/widget.h +++ /dev/null @@ -1,93 +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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef WIDGET_H -#define WIDGET_H - -#include <QWidget> - -QT_FORWARD_DECLARE_CLASS(QComboBox) -QT_FORWARD_DECLARE_CLASS(QTextEdit) -QT_FORWARD_DECLARE_CLASS(QVBoxLayout) -QT_FORWARD_DECLARE_CLASS(QSurfaceFormat) -QT_FORWARD_DECLARE_CLASS(QSurface) - -class Widget : public QWidget -{ - Q_OBJECT - -public: - explicit Widget(QWidget *parent = nullptr); - -private slots: - void start(); - void renderWindowReady(); - void renderWindowError(const QString &msg); - -private: - void addVersions(QLayout *layout); - void addProfiles(QLayout *layout); - void addOptions(QLayout *layout); - void addRenderableTypes(QLayout *layout); - void addRenderWindow(); - void printFormat(const QSurfaceFormat &format); - - QComboBox *m_version; - QLayout *m_profiles; - QLayout *m_options; - QLayout *m_renderables; - QTextEdit *m_output; - QTextEdit *m_extensions; - QVBoxLayout *m_renderWindowLayout; - QWidget *m_renderWindowContainer; - QSurface *m_surface; -}; - -#endif // WIDGET_H |