diff options
| author | Laszlo Agocs <laszlo.agocs@qt.io> | 2023-02-27 12:37:30 +0100 |
|---|---|---|
| committer | Laszlo Agocs <laszlo.agocs@qt.io> | 2023-02-28 14:28:51 +0100 |
| commit | 6462a454e3d53c3711817b510cff59c136711b9e (patch) | |
| tree | 29afaf653198da1e8eac0d15f2a878fb947abc0c /examples/opengl/threadedqopenglwidget/glwidget.cpp | |
| parent | 86a517ac786c90b9ce8deb502c413287e31058c2 (diff) | |
Remove threadeqopenglwidget example
It is neither documented nor very useful, and it has
platform-specific issues as reported over the years.
Remove it now as part of the example revamp initiative.
Task-number: QTBUG-50278
Task-number: QTBUG-110093
Task-number: QTBUG-76054
Task-number: QTBUG-43209
Pick-to: 6.5
Change-Id: I6dadaf4162b4c19411c544b9f204c19e37aa740d
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
Diffstat (limited to 'examples/opengl/threadedqopenglwidget/glwidget.cpp')
| -rw-r--r-- | examples/opengl/threadedqopenglwidget/glwidget.cpp | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/examples/opengl/threadedqopenglwidget/glwidget.cpp b/examples/opengl/threadedqopenglwidget/glwidget.cpp deleted file mode 100644 index 6fbc61dd44d..00000000000 --- a/examples/opengl/threadedqopenglwidget/glwidget.cpp +++ /dev/null @@ -1,71 +0,0 @@ -// Copyright (C) 2022 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#include "glwidget.h" -#include "renderer.h" - -#include <qmath.h> -#include <QGuiApplication> - -GLWidget::GLWidget(QWidget *parent) - : QOpenGLWidget(parent) -{ - setMinimumSize(300, 250); - - connect(this, &QOpenGLWidget::aboutToCompose, this, &GLWidget::onAboutToCompose); - connect(this, &QOpenGLWidget::frameSwapped, this, &GLWidget::onFrameSwapped); - connect(this, &QOpenGLWidget::aboutToResize, this, &GLWidget::onAboutToResize); - connect(this, &QOpenGLWidget::resized, this, &GLWidget::onResized); - - m_thread = new QThread; - m_renderer = new Renderer(this); - m_renderer->moveToThread(m_thread); - connect(m_thread, &QThread::finished, m_renderer, &QObject::deleteLater); - - connect(this, &GLWidget::renderRequested, m_renderer, &Renderer::render); - connect(m_renderer, &Renderer::contextWanted, this, &GLWidget::grabContext); - - m_thread->start(); -} - -GLWidget::~GLWidget() -{ - m_renderer->prepareExit(); - m_thread->quit(); - m_thread->wait(); - delete m_thread; -} - -void GLWidget::onAboutToCompose() -{ - // We are on the gui thread here. Composition is about to - // begin. Wait until the render thread finishes. - m_renderer->lockRenderer(); -} - -void GLWidget::onFrameSwapped() -{ - m_renderer->unlockRenderer(); - // Assuming a blocking swap, our animation is driven purely by the - // vsync in this example. - emit renderRequested(); -} - -void GLWidget::onAboutToResize() -{ - m_renderer->lockRenderer(); -} - -void GLWidget::onResized() -{ - m_renderer->unlockRenderer(); -} - -void GLWidget::grabContext() -{ - m_renderer->lockRenderer(); - QMutexLocker lock(m_renderer->grabMutex()); - context()->moveToThread(m_thread); - m_renderer->grabCond()->wakeAll(); - m_renderer->unlockRenderer(); -} |