Remove qtgraphicaleffects sources and add note about its state in Qt 6HEADdev

Add a README.md mentioning the documentation on where the ported
effects can be found, as well as how to check out the Qt5 branch.

Pick-to: 6.2
Fixes: QTBUG-95757
Change-Id: Ib47c7e73f8622c8e287df0f74c6f16a5113b357e
Reviewed-by: Tor Arne Vestbø <[email protected]>
Reviewed-by: Volker Hilsheimer <[email protected]>

8 files changed, 0 insertions, 904 deletions

diff --git a/src/effects/private/.prev_CMakeLists.txt b/src/effects/private/.prev_CMakeLists.txt
deleted file mode 100644
index aba6f59..0000000
--- a/src/effects/private/.prev_CMakeLists.txt
+++ /dev/null
@@ -1,73 +0,0 @@
-# Generated from private.pro.
-
-#####################################################################
-## qtgraphicaleffectsprivate Plugin:
-#####################################################################
-
-qt_add_qml_module(qtgraphicaleffectsprivate
-    URI "QtGraphicalEffects.private"
-    VERSION "${CMAKE_PROJECT_VERSION}"
-    CLASSNAME QtGraphicalEffectsPrivatePlugin
-    SOURCES
-        plugin.cpp
-        qgfxshaderbuilder.cpp qgfxshaderbuilder_p.h
-        qgfxsourceproxy.cpp qgfxsourceproxy_p.h
-    PUBLIC_LIBRARIES
-        Qt::Core
-        Qt::CorePrivate
-        Qt::Gui
-        Qt::GuiPrivate
-        Qt::Qml
-        Qt::QmlPrivate
-        Qt::Quick
-        Qt::QuickPrivate
-)
-
-#### Keys ignored in scope 1:.:.:private.pro:<TRUE>:
-# CXX_MODULE = "qml"
-# QML_FILES = "DropShadowBase.qml" "FastGlow.qml" "FastInnerShadow.qml" "FastMaskedBlur.qml" "GaussianDirectionalBlur.qml" "GaussianGlow.qml" "GaussianInnerShadow.qml" "GaussianMaskedBlur.qml"
-# QML_IMPORT_VERSION = "$$QT_VERSION"
-# TARGETPATH = "QtGraphicalEffects/private"
-
-## Scopes:
-#####################################################################
-
-set(qml_files
-    "DropShadowBase.qml"
-    "FastGlow.qml"
-    "FastInnerShadow.qml"
-    "FastMaskedBlur.qml"
-    "GaussianDirectionalBlur.qml"
-    "GaussianGlow.qml"
-    "GaussianInnerShadow.qml"
-    "GaussianMaskedBlur.qml"
-)
-set_source_files_properties(DropShadowBase.qml PROPERTIES
-    QT_QML_SOURCE_VERSION "1.0"
-)
-set_source_files_properties(FastGlow.qml PROPERTIES
-    QT_QML_SOURCE_VERSION "1.0"
-)
-set_source_files_properties(FastInnerShadow.qml PROPERTIES
-    QT_QML_SOURCE_VERSION "1.0"
-)
-set_source_files_properties(FastMaskedBlur.qml PROPERTIES
-    QT_QML_SOURCE_VERSION "1.0"
-)
-set_source_files_properties(GaussianDirectionalBlur.qml PROPERTIES
-    QT_QML_SOURCE_VERSION "1.0"
-)
-set_source_files_properties(GaussianGlow.qml PROPERTIES
-    QT_QML_SOURCE_VERSION "1.0"
-)
-set_source_files_properties(GaussianInnerShadow.qml PROPERTIES
-    QT_QML_SOURCE_VERSION "1.0"
-)
-set_source_files_properties(GaussianMaskedBlur.qml PROPERTIES
-    QT_QML_SOURCE_VERSION "1.0"
-)
-
-qt6_target_qml_files(qtgraphicaleffectsprivate
-    FILES
-        ${qml_files}
-)
diff --git a/src/effects/private/CMakeLists.txt b/src/effects/private/CMakeLists.txt
deleted file mode 100644
index b8e0e5b..0000000
--- a/src/effects/private/CMakeLists.txt
+++ /dev/null
@@ -1,44 +0,0 @@
-# Generated from private.pro.
-
-#####################################################################
-## qtgraphicaleffectsprivate Plugin:
-#####################################################################
-
-qt_internal_add_qml_module(qtgraphicaleffectsprivate
-    URI "QtGraphicalEffects.private"
-    VERSION "${CMAKE_PROJECT_VERSION}"
-    CLASSNAME QtGraphicalEffectsPrivatePlugin
-    SOURCES
-        plugin.cpp
-        qgfxsourceproxy.cpp qgfxsourceproxy_p.h
-    PUBLIC_LIBRARIES
-        Qt::Core
-        Qt::CorePrivate
-        Qt::Gui
-        Qt::GuiPrivate
-        Qt::Qml
-        Qt::QmlPrivate
-        Qt::Quick
-        Qt::QuickPrivate
-)
-
-#### Keys ignored in scope 1:.:.:private.pro:<TRUE>:
-# CXX_MODULE = "qml"
-# QML_FILES = "FastGlow.qml"
-# QML_IMPORT_VERSION = "$$QT_VERSION"
-# TARGETPATH = "QtGraphicalEffects/private"
-
-## Scopes:
-#####################################################################
-
-set(qml_files
-    "FastGlow.qml"
-)
-set_source_files_properties(FastGlow.qml PROPERTIES
-    QT_QML_SOURCE_VERSION "1.0"
-)
-
-qt6_target_qml_files(qtgraphicaleffectsprivate
-    FILES
-        ${qml_files}
-)
diff --git a/src/effects/private/FastGlow.qml b/src/effects/private/FastGlow.qml
deleted file mode 100644
index 896dcae..0000000
--- a/src/effects/private/FastGlow.qml
+++ /dev/null
@@ -1,342 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2020 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Graphical Effects module 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 2.12
-import QtGraphicalEffects.private 1.12
-
-Item {
-    id: rootItem
-    property variant source
-    property real spread: 0.0
-    property real blur: 0.0
-    property color color: "white"
-    property bool transparentBorder: false
-    property bool cached: false
-
-    SourceProxy {
-        id: sourceProxy
-        input: rootItem.source
-    }
-
-    ShaderEffectSource {
-        id: cacheItem
-        anchors.fill: shaderItem
-        visible: rootItem.cached
-        smooth: true
-        sourceItem: shaderItem
-        live: true
-        hideSource: visible
-    }
-
-    property string __internalBlurVertexShader: "qrc:/qt-project.org/imports/QtGraphicalEffects/shaders_ng/fastblur_internal.vert.qsb"
-
-    property string __internalBlurFragmentShader: "qrc:/qt-project.org/imports/QtGraphicalEffects/shaders_ng/fastblur_internal.frag.qsb"
-
-    ShaderEffect {
-        id: level0
-        property variant source: sourceProxy.output
-        anchors.fill: parent
-        visible: false
-        smooth: true
-    }
-
-    ShaderEffectSource {
-        id: level1
-        width: Math.ceil(shaderItem.width / 32) * 32
-        height: Math.ceil(shaderItem.height / 32) * 32
-        sourceItem: level0
-        hideSource: rootItem.visible
-        sourceRect: transparentBorder ? Qt.rect(-64, -64, shaderItem.width, shaderItem.height) : Qt.rect(0,0,0,0)
-        smooth: true
-        visible: false
-    }
-
-    ShaderEffect {
-        id: effect1
-        property variant source: level1
-        property real yStep: 1/height
-        property real xStep: 1/width
-        anchors.fill: level2
-        visible: false
-        smooth: true
-        vertexShader: __internalBlurVertexShader
-        fragmentShader: __internalBlurFragmentShader
-    }
-
-    ShaderEffectSource {
-        id: level2
-        width: level1.width / 2
-        height: level1.height / 2
-        sourceItem: effect1
-        hideSource: rootItem.visible
-        visible: false
-        smooth: true
-    }
-
-    ShaderEffect {
-        id: effect2
-        property variant source: level2
-        property real yStep: 1/height
-        property real xStep: 1/width
-        anchors.fill: level3
-        visible: false
-        smooth: true
-        vertexShader: __internalBlurVertexShader
-        fragmentShader: __internalBlurFragmentShader
-    }
-
-    ShaderEffectSource {
-        id: level3
-        width: level2.width / 2
-        height: level2.height / 2
-        sourceItem: effect2
-        hideSource: rootItem.visible
-        visible: false
-        smooth: true
-    }
-
-    ShaderEffect {
-        id: effect3
-        property variant source: level3
-        property real yStep: 1/height
-        property real xStep: 1/width
-        anchors.fill: level4
-        visible: false
-        smooth: true
-        vertexShader: __internalBlurVertexShader
-        fragmentShader: __internalBlurFragmentShader
-    }
-
-    ShaderEffectSource {
-        id: level4
-        width: level3.width / 2
-        height: level3.height / 2
-        sourceItem: effect3
-        hideSource: rootItem.visible
-        visible: false
-        smooth: true
-    }
-
-    ShaderEffect {
-        id: effect4
-        property variant source: level4
-        property real yStep: 1/height
-        property real xStep: 1/width
-        anchors.fill: level5
-        visible: false
-        smooth: true
-        vertexShader: __internalBlurVertexShader
-        fragmentShader: __internalBlurFragmentShader
-    }
-
-    ShaderEffectSource {
-        id: level5
-        width: level4.width / 2
-        height: level4.height / 2
-        sourceItem: effect4
-        hideSource: rootItem.visible
-        visible: false
-        smooth: true
-    }
-
-    ShaderEffect {
-        id: effect5
-        property variant source: level5
-        property real yStep: 1/height
-        property real xStep: 1/width
-        anchors.fill: level6
-        visible: false
-        smooth: true
-        vertexShader: __internalBlurVertexShader
-        fragmentShader: __internalBlurFragmentShader
-    }
-
-    ShaderEffectSource {
-        id: level6
-        width: level5.width / 2
-        height: level5.height / 2
-        sourceItem: effect5
-        hideSource: rootItem.visible
-        visible: false
-        smooth: true
-    }
-
-    Item {
-        id: dummysource
-        width: 1
-        height: 1
-        visible: false
-    }
-
-    ShaderEffectSource {
-        id: dummy
-        width: 1
-        height: 1
-        sourceItem: dummysource
-        visible: false
-        smooth: false
-        live: false
-    }
-
-    ShaderEffect {
-        id: shaderItem
-        x: transparentBorder ? -64 : 0
-        y: transparentBorder ? -64 : 0
-        width: transparentBorder ? parent.width + 128 : parent.width
-        height: transparentBorder ? parent.height + 128 : parent.height
-
-        property variant source1: level1
-        property variant source2: level2
-        property variant source3: level3
-        property variant source4: level4
-        property variant source5: level5
-        property variant source6: level6
-        property real lod: rootItem.blur
-
-        property real weight1;
-        property real weight2;
-        property real weight3;
-        property real weight4;
-        property real weight5;
-        property real weight6;
-
-        property real spread: 1.0 - (rootItem.spread * 0.98)
-        property alias color: rootItem.color
-
-        function weight(v) {
-            if (v <= 0.0)
-                return 1
-            if (v >= 0.5)
-                return 0
-
-            return 1.0 - v / 0.5
-        }
-
-        function calculateWeights() {
-
-            var w1 = weight(Math.abs(lod - 0.100))
-            var w2 = weight(Math.abs(lod - 0.300))
-            var w3 = weight(Math.abs(lod - 0.500))
-            var w4 = weight(Math.abs(lod - 0.700))
-            var w5 = weight(Math.abs(lod - 0.900))
-            var w6 = weight(Math.abs(lod - 1.100))
-
-            var sum = w1 + w2 + w3 + w4 + w5 + w6;
-            weight1 = w1 / sum;
-            weight2 = w2 / sum;
-            weight3 = w3 / sum;
-            weight4 = w4 / sum;
-            weight5 = w5 / sum;
-            weight6 = w6 / sum;
-
-            upateSources()
-        }
-
-        function upateSources() {
-            var sources = new Array();
-            var weights = new Array();
-
-            if (weight1 > 0) {
-                sources.push(level1)
-                weights.push(weight1)
-            }
-
-            if (weight2 > 0) {
-                sources.push(level2)
-                weights.push(weight2)
-            }
-
-            if (weight3 > 0) {
-                sources.push(level3)
-                weights.push(weight3)
-            }
-
-            if (weight4 > 0) {
-                sources.push(level4)
-                weights.push(weight4)
-            }
-
-            if (weight5 > 0) {
-                sources.push(level5)
-                weights.push(weight5)
-            }
-
-            if (weight6 > 0) {
-                sources.push(level6)
-                weights.push(weight6)
-            }
-
-            for (var j = sources.length; j < 6; j++) {
-                sources.push(dummy)
-                weights.push(0.0)
-            }
-
-            source1 = sources[0]
-            source2 = sources[1]
-            source3 = sources[2]
-            source4 = sources[3]
-            source5 = sources[4]
-            source6 = sources[5]
-
-            weight1 = weights[0]
-            weight2 = weights[1]
-            weight3 = weights[2]
-            weight4 = weights[3]
-            weight5 = weights[4]
-            weight6 = weights[5]
-        }
-
-        Component.onCompleted: calculateWeights()
-
-        onLodChanged: calculateWeights()
-
-        fragmentShader: "qrc:/qt-project.org/imports/QtGraphicalEffects/shaders_ng/fastglow.frag.qsb"
-    }
-}
diff --git a/src/effects/private/plugin.cpp b/src/effects/private/plugin.cpp
deleted file mode 100644
index c03926c..0000000
--- a/src/effects/private/plugin.cpp
+++ /dev/null
@@ -1,79 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 Jolla Ltd, author: <[email protected]>
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Graphical Effects module 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 <QtQml/qqmlextensionplugin.h>
-#include <QtQml/qqml.h>
-#include <QtQml/qqmlengine.h>
-
-#include "qgfxsourceproxy_p.h"
-
-QT_BEGIN_NAMESPACE
-
-class QtGraphicalEffectsPrivatePlugin : public QQmlExtensionPlugin
-{
-    Q_OBJECT
-    Q_PLUGIN_METADATA(IID QQmlExtensionInterface_iid)
-
-public:
-    QtGraphicalEffectsPrivatePlugin(QObject *parent = 0) : QQmlExtensionPlugin(parent) { }
-    void registerTypes(const char *uri) override
-    {
-        Q_ASSERT(QByteArray(uri) == QByteArrayLiteral("QtGraphicalEffects.private"));
-        qmlRegisterType<QGfxSourceProxy>(uri, 1, 0, "SourceProxy");
-
-        // The minor version used to be the current Qt 5 minor. For compatibility it is the last
-        // Qt 5 release.
-        qmlRegisterModule(uri, 1, 15);
-    }
-};
-
-QT_END_NAMESPACE
-
-#include "plugin.moc"
diff --git a/src/effects/private/private.pro b/src/effects/private/private.pro
deleted file mode 100644
index b8d162a..0000000
--- a/src/effects/private/private.pro
+++ /dev/null
@@ -1,21 +0,0 @@
-CXX_MODULE=qml
-TARGETPATH=QtGraphicalEffects/private
-TARGET = qtgraphicaleffectsprivate
-QML_IMPORT_VERSION = $$QT_VERSION
-
-QT += quick qml
-# Needed to get a hold of QQuickShaderEffectSource, QQuickImage and QQuickItemPrivate
-QT += quick-private gui-private core-private qml-private
-
-SOURCES += plugin.cpp \
-           qgfxsourceproxy.cpp
-
-HEADERS += \
-           qgfxsourceproxy_p.h
-
-QML_FILES = \
-    FastGlow.qml
-
-!static: CONFIG += qmlcache
-
-load(qml_plugin)
diff --git a/src/effects/private/qgfxsourceproxy.cpp b/src/effects/private/qgfxsourceproxy.cpp
deleted file mode 100644
index cf64807..0000000
--- a/src/effects/private/qgfxsourceproxy.cpp
+++ /dev/null
@@ -1,216 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 Jolla Ltd, author: <[email protected]>
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Graphical Effects module 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 "qgfxsourceproxy_p.h"
-
-#include <private/qquickshadereffectsource_p.h>
-#include <private/qquickitem_p.h>
-#include <private/qquickimage_p.h>
-
-QT_BEGIN_NAMESPACE
-
-QGfxSourceProxy::QGfxSourceProxy(QQuickItem *parentItem)
-    : QQuickItem(parentItem)
-    , m_input(0)
-    , m_output(0)
-    , m_proxy(0)
-    , m_interpolation(AnyInterpolation)
-{
-}
-
-QGfxSourceProxy::~QGfxSourceProxy()
-{
-    delete m_proxy;
-}
-
-void QGfxSourceProxy::setInput(QQuickItem *input)
-{
-    if (m_input == input)
-        return;
-
-    if (m_input != nullptr)
-        disconnect(m_input, nullptr, this, nullptr);
-    m_input = input;
-    polish();
-    if (m_input != nullptr) {
-        if (QQuickImage *image = qobject_cast<QQuickImage *>(m_input)) {
-            connect(image, &QQuickImage::sourceSizeChanged, this, &QGfxSourceProxy::repolish);
-            connect(image, &QQuickImage::fillModeChanged, this, &QGfxSourceProxy::repolish);
-        }
-        connect(m_input, &QQuickItem::childrenChanged, this, &QGfxSourceProxy::repolish);
-    }
-    emit inputChanged();
-}
-
-void QGfxSourceProxy::setOutput(QQuickItem *output)
-{
-    if (m_output == output)
-        return;
-    m_output = output;
-    emit activeChanged();
-    emit outputChanged();
-}
-
-void QGfxSourceProxy::setSourceRect(const QRectF &sourceRect)
-{
-    if (m_sourceRect == sourceRect)
-        return;
-    m_sourceRect = sourceRect;
-    polish();
-    emit sourceRectChanged();
-}
-
-void QGfxSourceProxy::setInterpolation(Interpolation i)
-{
-    if (m_interpolation == i)
-        return;
-    m_interpolation = i;
-    polish();
-    emit interpolationChanged();
-}
-
-
-void QGfxSourceProxy::useProxy()
-{
-    if (!m_proxy)
-        m_proxy = new QQuickShaderEffectSource(this);
-    m_proxy->setSourceRect(m_sourceRect);
-    m_proxy->setSourceItem(m_input);
-    m_proxy->setSmooth(m_interpolation != NearestInterpolation);
-    setOutput(m_proxy);
-}
-
-void QGfxSourceProxy::repolish()
-{
-    polish();
-}
-
-QObject *QGfxSourceProxy::findLayer(QQuickItem *item)
-{
-    if (!item)
-        return 0;
-    QQuickItemPrivate *d = QQuickItemPrivate::get(item);
-    if (d->extra.isAllocated() && d->extra->layer) {
-        QObject *layer = qvariant_cast<QObject *>(item->property("layer"));
-        if (layer && layer->property("enabled").toBool())
-            return layer;
-    }
-    return 0;
-}
-
-void QGfxSourceProxy::updatePolish()
-{
-    if (m_input == 0) {
-        setOutput(0);
-        return;
-    }
-
-    QQuickImage *image = qobject_cast<QQuickImage *>(m_input);
-    QQuickShaderEffectSource *shaderSource = qobject_cast<QQuickShaderEffectSource *>(m_input);
-    bool childless = m_input->childItems().size() == 0;
-    bool interpOk = m_interpolation == AnyInterpolation
-                    || (m_interpolation == LinearInterpolation && m_input->smooth() == true)
-                    || (m_interpolation == NearestInterpolation && m_input->smooth() == false);
-
-    // Layers can be used in two different ways. Option 1 is when the item is
-    // used as input to a separate ShaderEffect component. In this case,
-    // m_input will be the item itself.
-    QObject *layer = findLayer(m_input);
-    if (!layer && shaderSource) {
-        // Alternatively, the effect is applied via layer.effect, and the
-        // input to the effect will be the layer's internal ShaderEffectSource
-        // item. In this case, we need to backtrack and find the item that has
-        // the layer and configure it accordingly.
-        layer = findLayer(shaderSource->sourceItem());
-    }
-
-    // A bit crude test, but we're only using source rect for
-    // blurring+transparent edge, so this is good enough.
-    bool padded = m_sourceRect.x() < 0 || m_sourceRect.y() < 0;
-
-    bool direct = false;
-
-    if (layer) {
-        // Auto-configure the layer so interpolation and padding works as
-        // expected without allocating additional FBOs. In edgecases, where
-        // this feature is undesiered, the user can simply use
-        // ShaderEffectSource rather than layer.
-        layer->setProperty("sourceRect", m_sourceRect);
-        layer->setProperty("smooth", m_interpolation != NearestInterpolation);
-        direct = true;
-
-    } else if (childless && interpOk) {
-
-        if (shaderSource) {
-            if (shaderSource->sourceRect() == m_sourceRect || m_sourceRect.isEmpty())
-                direct = true;
-
-        } else if (!padded && ((image && image->fillMode() == QQuickImage::Stretch && !image->sourceSize().isNull())
-                                || (!image && m_input->isTextureProvider())
-                              )
-                  ) {
-            direct = true;
-        }
-    }
-
-    if (direct) {
-        setOutput(m_input);
-    } else {
-        useProxy();
-    }
-
-    // Remove the proxy if it is not in use..
-    if (m_proxy && m_output == m_input) {
-        delete m_proxy;
-        m_proxy = 0;
-    }
-}
-
-QT_END_NAMESPACE
diff --git a/src/effects/private/qgfxsourceproxy_p.h b/src/effects/private/qgfxsourceproxy_p.h
deleted file mode 100644
index 8fe592c..0000000
--- a/src/effects/private/qgfxsourceproxy_p.h
+++ /dev/null
@@ -1,125 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 Jolla Ltd, author: <[email protected]>
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the Qt Graphical Effects module 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 QGFXSOURCEPROXY_P_H
-#define QGFXSOURCEPROXY_P_H
-
-#include <QtQuick/QQuickItem>
-
-QT_BEGIN_NAMESPACE
-
-class QQuickShaderEffectSource;
-
-class QGfxSourceProxy : public QQuickItem
-{
-    Q_OBJECT
-
-    Q_PROPERTY(QQuickItem *input READ input WRITE setInput NOTIFY inputChanged RESET resetInput)
-    Q_PROPERTY(QQuickItem *output READ output NOTIFY outputChanged)
-    Q_PROPERTY(QRectF sourceRect READ sourceRect WRITE setSourceRect NOTIFY sourceRectChanged)
-
-    Q_PROPERTY(bool active READ isActive NOTIFY activeChanged)
-    Q_PROPERTY(Interpolation interpolation READ interpolation WRITE setInterpolation NOTIFY interpolationChanged)
-
-    Q_ENUMS(Interpolation)
-
-public:
-    enum Interpolation {
-        AnyInterpolation,
-        NearestInterpolation,
-        LinearInterpolation
-    };
-
-    QGfxSourceProxy(QQuickItem *item = 0);
-    ~QGfxSourceProxy();
-
-    QQuickItem *input() const { return m_input; }
-    void setInput(QQuickItem *input);
-    void resetInput() { setInput(0); }
-
-    QQuickItem *output() const { return m_output; }
-
-    QRectF sourceRect() const { return m_sourceRect; }
-    void setSourceRect(const QRectF &sourceRect);
-
-    bool isActive() const { return m_output && m_output != m_input; }
-
-    void setInterpolation(Interpolation i);
-    Interpolation interpolation() const { return m_interpolation; }
-
-protected:
-    void updatePolish() override;
-
-signals:
-    void inputChanged();
-    void outputChanged();
-    void sourceRectChanged();
-    void activeChanged();
-    void interpolationChanged();
-
-private slots:
-    void repolish();
-
-private:
-    void setOutput(QQuickItem *output);
-    void useProxy();
-    static QObject *findLayer(QQuickItem *);
-
-    QRectF m_sourceRect;
-    QQuickItem *m_input;
-    QQuickItem *m_output;
-    QQuickShaderEffectSource *m_proxy;
-
-    Interpolation m_interpolation;
-};
-
-QT_END_NAMESPACE
-
-#endif // QGFXSOURCEPROXY_P_H
diff --git a/src/effects/private/qmldir b/src/effects/private/qmldir
deleted file mode 100644
index da46a25..0000000
--- a/src/effects/private/qmldir
+++ /dev/null
@@ -1,4 +0,0 @@
-module QtGraphicalEffects.private
-plugin qtgraphicaleffectsprivate
-classname QtGraphicalEffectsPrivatePlugin
-FastGlow 1.0 FastGlow.qml