1 files changed, 80 insertions, 0 deletions
diff --git a/examples/gui/rhiwindow/main.py b/examples/gui/rhiwindow/main.py
new file mode 100644
index 000000000..cfb73b10b
--- /dev/null
+++ b/examples/gui/rhiwindow/main.py
@@ -0,0 +1,80 @@
+# Copyright (C) 2023 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+from argparse import ArgumentParser, RawDescriptionHelpFormatter
+import sys
+
+from PySide6.QtCore import QCoreApplication
+from PySide6.QtGui import QGuiApplication, QRhi, QSurfaceFormat
+
+from rhiwindow import HelloWindow
+import rc_rhiwindow  # noqa: F401
+
+if __name__ == "__main__":
+    app = QGuiApplication(sys.argv)
+
+    # Use platform-specific defaults when no command-line arguments given.
+    graphicsApi = QRhi.OpenGLES2
+    if sys.platform == "win32":
+        graphicsApi = QRhi.D3D11
+    elif sys.platform == "darwin":
+        graphicsApi = QRhi.Metal
+
+    parser = ArgumentParser(formatter_class=RawDescriptionHelpFormatter,
+                            description="QRhi render example")
+    parser.add_argument("--null", "-n", action="store_true", help="Null")
+    parser.add_argument("--opengl", "-g", action="store_true", help="OpenGL")
+    parser.add_argument("--d3d11", "-d", action="store_true",
+                        help="Direct3D 11")
+    parser.add_argument("--d3d12", "-D", action="store_true",
+                        help="Direct3D 12")
+    parser.add_argument("--metal", "-m", action="store_true",
+                        help="Metal")
+    args = parser.parse_args()
+    if args.null:
+        graphicsApi = QRhi.Null
+    elif args.opengl:
+        graphicsApi = QRhi.OpenGLES2
+    elif args.d3d11:
+        graphicsApi = QRhi.D3D11
+    elif args.d3d12:
+        graphicsApi = QRhi.D3D12
+    elif args.metal:
+        graphicsApi = QRhi.Metal
+
+    # graphicsApi = QRhi.Vulkan?  detect? needs QVulkanInstance
+
+    # For OpenGL, to ensure there is a depth/stencil buffer for the window.
+    # With other APIs this is under the application's control
+    # (QRhiRenderBuffer etc.) and so no special setup is needed for those.
+    fmt = QSurfaceFormat()
+    fmt.setDepthBufferSize(24)
+    fmt.setStencilBufferSize(8)
+    # Special case macOS to allow using OpenGL there.
+    # (the default Metal is the recommended approach, though)
+    # gl_VertexID is a GLSL 130 feature, and so the default OpenGL 2.1 context
+    # we get on macOS is not sufficient.
+    if sys.platform == "darwin":
+        fmt.setVersion(4, 1)
+        fmt.setProfile(QSurfaceFormat.CoreProfile)
+    QSurfaceFormat.setDefaultFormat(fmt)
+
+    window = HelloWindow(graphicsApi)
+
+    window.resize(1280, 720)
+    title = QCoreApplication.applicationName() + " - " + window.graphicsApiName()
+    window.setTitle(title)
+    window.show()
+
+    ret = app.exec()
+
+    # RhiWindow::event() will not get invoked when the
+    # PlatformSurfaceAboutToBeDestroyed event is sent during the QWindow
+    # destruction. That happens only when exiting via app::quit() instead of
+    # the more common QWindow::close(). Take care of it: if the QPlatformWindow
+    # is still around (there was no close() yet), get rid of the swapchain
+    # while it's not too late.
+    if window.isVisible():
+        window.releaseSwapChain()
+
+    sys.exit(ret)