Compositor API: Add support for hardware compositing

[ChangeLog][Compositor] Add a tech preview for a plugin-based hardware layer
API and a VSP2 implementation (for Renesas R-Car M3 and H3).

Task-number: QTBUG-64600
Task-number: QTBUG-64604
Change-Id: Ia4abfb6343cf4f006ba408d293ec9464cd6f31b7
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>

6 files changed, 246 insertions, 0 deletions

diff --git a/examples/wayland/hwlayer-compositor/.gitignore b/examples/wayland/hwlayer-compositor/.gitignore
new file mode 100644
index 000000000..83a421caf
--- /dev/null
+++ b/examples/wayland/hwlayer-compositor/.gitignore
@@ -0,0 +1 @@
+hwlayer-compositor
diff --git a/examples/wayland/hwlayer-compositor/hwlayer-compositor.pro b/examples/wayland/hwlayer-compositor/hwlayer-compositor.pro
new file mode 100644
index 000000000..a6eed9079
--- /dev/null
+++ b/examples/wayland/hwlayer-compositor/hwlayer-compositor.pro
@@ -0,0 +1,14 @@
+QT += gui qml
+
+SOURCES += \
+    main.cpp
+
+OTHER_FILES = \
+    main.qml
+
+RESOURCES += hwlayer-compositor.qrc
+
+target.path = $$[QT_INSTALL_EXAMPLES]/wayland/hwlayer-compositor
+sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS hwlayer-compositor.pro
+sources.path = $$[QT_INSTALL_EXAMPLES]/wayland/hwlayer-compositor
+INSTALLS += target sources
diff --git a/examples/wayland/hwlayer-compositor/hwlayer-compositor.qrc b/examples/wayland/hwlayer-compositor/hwlayer-compositor.qrc
new file mode 100644
index 000000000..5f6483ac3
--- /dev/null
+++ b/examples/wayland/hwlayer-compositor/hwlayer-compositor.qrc
@@ -0,0 +1,5 @@
+<RCC>
+    <qresource prefix="/">
+        <file>main.qml</file>
+    </qresource>
+</RCC>
diff --git a/examples/wayland/hwlayer-compositor/main.cpp b/examples/wayland/hwlayer-compositor/main.cpp
new file mode 100644
index 000000000..d26466382
--- /dev/null
+++ b/examples/wayland/hwlayer-compositor/main.cpp
@@ -0,0 +1,64 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: http://www.qt-project.org/legal
+**
+** 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 <QtCore/QUrl>
+#include <QtCore/QDebug>
+
+#include <QtGui/QGuiApplication>
+#include <QQmlContext>
+
+#include <QtQml/QQmlApplicationEngine>
+
+int main(int argc, char *argv[])
+{
+    QGuiApplication app(argc, argv);
+    QQmlApplicationEngine appEngine(QUrl("qrc:///main.qml"));
+    return app.exec();
+}
diff --git a/examples/wayland/hwlayer-compositor/main.qml b/examples/wayland/hwlayer-compositor/main.qml
new file mode 100644
index 000000000..de4fe6d49
--- /dev/null
+++ b/examples/wayland/hwlayer-compositor/main.qml
@@ -0,0 +1,161 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: http://www.qt-project.org/legal
+**
+** 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."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.6
+import QtQuick.Window 2.2
+import QtQuick.Controls 2.2
+import QtWayland.Compositor 1.2
+
+WaylandCompositor {
+    WaylandOutput {
+        sizeFollowsWindow: true
+        window: Window {
+            color: "tomato"
+            id: win
+            width: 1024
+            height: 768
+            visible: true
+            Rectangle {
+                color: "lightgreen"
+                anchors.centerIn: parent
+                width: parent.width / 3
+                height: parent.width / 3
+                NumberAnimation on rotation {
+                    id: rotationAnimation
+                    running: false
+                    from: 0
+                    to: 90
+                    loops: Animation.Infinite
+                    duration: 1000
+                }
+            }
+                Repeater {
+                    model: shellSurfaces
+                    ShellSurfaceItem {
+                        id: waylandItem
+                        onSurfaceDestroyed: shellSurfaces.remove(index)
+                        shellSurface: shSurface
+                        WaylandHardwareLayer {
+                            stackingLevel: level
+                            Component.onCompleted: console.log("Added hardware layer with stacking level", stackingLevel);
+                        }
+                        Component.onCompleted: console.log("Added wayland quick item");
+                        Behavior on x {
+                            PropertyAnimation {
+                                easing.type: Easing.OutBounce
+                                duration: 1000
+                            }
+                        }
+                        Timer {
+                            interval: 2000; running: animatePosition; repeat: true
+                            onTriggered: waylandItem.x = waylandItem.x === 0 ? win.width - waylandItem.width : 0
+                        }
+                        Behavior on opacity {
+                            PropertyAnimation {
+                                duration: 1000
+                            }
+                        }
+                        Timer {
+                            interval: 2000; running: animateOpacity; repeat: true
+                            onTriggered: waylandItem.opacity = waylandItem.opacity === 1 ? 0 : 1
+                        }
+                    }
+            }
+            Column {
+                anchors.bottom: parent.bottom
+                Repeater {
+                    model: shellSurfaces
+                    Row {
+                        Label {
+                            anchors.verticalCenter: parent.verticalCenter
+                            leftPadding: 15
+                            rightPadding: 15
+                            text: "Surface " + index
+                        }
+                        CheckBox {
+                            text: "Animate position"
+                            checked: animatePosition
+                            onClicked: animatePosition = !animatePosition
+                        }
+                        CheckBox {
+                            text: "Animate Opacity"
+                            checked: animateOpacity
+                            onClicked: animateOpacity = !animateOpacity
+                        }
+                        Label {
+                            text: "Stacking level"
+                        }
+                        SpinBox {
+                            value: level
+                            onValueModified: level = value;
+                        }
+                        Button {
+                            text: "Kill"
+                            onClicked: shSurface.surface.client.close()
+                        }
+                    }
+                }
+                CheckBox {
+                    text: "Rotation"
+                    checked: rotationAnimation.running
+                    onClicked: rotationAnimation.running = !rotationAnimation.running
+                    padding: 30
+                }
+            }
+        }
+    }
+    ListModel { id: shellSurfaces }
+    function addShellSurface(shellSurface) {
+        shellSurfaces.append({shSurface: shellSurface, animatePosition: false, animateOpacity: false, level: 0});
+    }
+    WlShell { onWlShellSurfaceCreated: addShellSurface(shellSurface) }
+    XdgShellV5 { onXdgSurfaceCreated: addShellSurface(xdgSurface) }
+    XdgShellV6 { onToplevelCreated: addShellSurface(xdgSurface) }
+}
diff --git a/examples/wayland/wayland.pro b/examples/wayland/wayland.pro
index 9da43fbd7..a8eef8266 100644
--- a/examples/wayland/wayland.pro
+++ b/examples/wayland/wayland.pro
@@ -18,4 +18,5 @@ qtHaveModule(quick) {
             custom-extension \
             server-buffer
     }
+    SUBDIRS += hwlayer-compositor
 }