1 files changed, 93 insertions, 0 deletions
diff --git a/examples/opengl/threadedqopenglwidget/main.py b/examples/opengl/threadedqopenglwidget/main.py
new file mode 100644
index 000000000..2a379da27
--- /dev/null
+++ b/examples/opengl/threadedqopenglwidget/main.py
@@ -0,0 +1,93 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+"""PySide6 port of the Threaded QOpenGLWidget Example from Qt v6.x"""
+
+import sys
+
+from argparse import ArgumentParser, RawTextHelpFormatter
+
+from PySide6.QtWidgets import QApplication, QMessageBox
+from PySide6.QtGui import QShortcut, QSurfaceFormat
+from PySide6.QtCore import QCoreApplication, QPoint, qVersion, Qt
+
+try:
+    from OpenGL import GL
+except ImportError:
+    app = QApplication(sys.argv)
+    message = "PyOpenGL must be installed to run this example."
+    message_box = QMessageBox(QMessageBox.Critical,
+                              "Threaded QOpenGLWidget Example",
+                              message, QMessageBox.Close)
+    detail = "Run:\npip install PyOpenGL PyOpenGL_accelerate"
+    message_box.setDetailedText(detail)
+    message_box.exec()
+    sys.exit(1)
+
+from glwidget import GLWidget
+from mainwindow import MainWindow
+
+
+if __name__ == "__main__":
+    app = QApplication(sys.argv)
+
+    desc = "Qt Threaded QOpenGLWidget Example"
+    parser = ArgumentParser(description=desc,
+                            formatter_class=RawTextHelpFormatter)
+    parser.add_argument("--single", "-s", action="store_true",
+                        help="Single thread")
+    options = parser.parse_args()
+
+    QCoreApplication.setApplicationName(desc)
+    QCoreApplication.setOrganizationName("QtProject")
+    QCoreApplication.setApplicationVersion(qVersion())
+
+    format = QSurfaceFormat()
+    format.setDepthBufferSize(16)
+    QSurfaceFormat.setDefaultFormat(format)
+
+    # Two top-level windows with two QOpenGLWidget children in each. The
+    # rendering for the four QOpenGLWidgets happens on four separate threads.
+
+    top_gl_widget = GLWidget()
+    pos = top_gl_widget.screen().availableGeometry().topLeft()
+    pos += QPoint(200, 200)
+    top_gl_widget.setWindowTitle(desc + " top level")
+    top_gl_widget.move(pos)
+    top_gl_widget.show()
+
+    functions = top_gl_widget.context().functions()
+    vendor = functions.glGetString(GL.GL_VENDOR)
+    renderer = functions.glGetString(GL.GL_RENDERER)
+    gl_info = f"{vendor}/f{renderer}"
+
+    supports_threading = ("nouveau" not in gl_info and "ANGLE" not in gl_info
+                          and "llvmpipe" not in gl_info)
+    tool_tip = gl_info
+    if not supports_threading:
+        tool_tip += "\ndoes not support threaded OpenGL."
+    top_gl_widget.setToolTip(tool_tip)
+    print(tool_tip)
+
+    close_shortcut = QShortcut(Qt.CTRL | Qt.Key_Q, top_gl_widget)
+    close_shortcut.activated.connect(QApplication.closeAllWindows)
+    close_shortcut.setContext(Qt.ApplicationShortcut)
+
+    mw1 = None
+    mw2 = None
+
+    if not options.single and supports_threading:
+        pos += QPoint(100, 100)
+        mw1 = MainWindow()
+        mw1.setToolTip(tool_tip)
+        mw1.move(pos)
+        mw1.setWindowTitle(f"{desc} #1")
+        mw1.show()
+        pos += QPoint(100, 100)
+        mw2 = MainWindow()
+        mw2.setToolTip(tool_tip)
+        mw2.move(pos)
+        mw2.setWindowTitle(f"{desc} #2")
+        mw2.show()
+
+    sys.exit(app.exec())