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Diffstat (limited to 'examples/quick/scenegraph/textureinsgnode')
8 files changed, 436 insertions, 0 deletions
diff --git a/examples/quick/scenegraph/textureinsgnode/doc/images/textureinsgnode-example.jpg b/examples/quick/scenegraph/textureinsgnode/doc/images/textureinsgnode-example.jpg Binary files differnew file mode 100644 index 0000000000..306b8bab20 --- /dev/null +++ b/examples/quick/scenegraph/textureinsgnode/doc/images/textureinsgnode-example.jpg diff --git a/examples/quick/scenegraph/textureinsgnode/doc/src/textureinsgnode.qdoc b/examples/quick/scenegraph/textureinsgnode/doc/src/textureinsgnode.qdoc new file mode 100644 index 0000000000..b24b0bd97b --- /dev/null +++ b/examples/quick/scenegraph/textureinsgnode/doc/src/textureinsgnode.qdoc @@ -0,0 +1,36 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:FDL$ +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Free Documentation License Usage +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. Please review the following information to ensure +** the GNU Free Documentation License version 1.3 requirements +** will be met: http://www.gnu.org/copyleft/fdl.html. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/*! + \example quick/scenegraph/textureinsgnode + \title Scene Graph - Rendering FBOs + \ingroup qtquickexamples + + \brief Shows how to use FramebufferObjects with Qt Quick. + + \image textureinsgnode-example.jpg + */ diff --git a/examples/quick/scenegraph/textureinsgnode/fboinsgrenderer.cpp b/examples/quick/scenegraph/textureinsgnode/fboinsgrenderer.cpp new file mode 100644 index 0000000000..67df392555 --- /dev/null +++ b/examples/quick/scenegraph/textureinsgnode/fboinsgrenderer.cpp @@ -0,0 +1,129 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc and its Subsidiary(-ies) 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 "fboinsgrenderer.h" +#include "logorenderer.h" + +#include <QtGui/QOpenGLFramebufferObject> + +#include <QtQuick/QQuickWindow> +#include <qsgsimpletexturenode.h> + + + + +class TextureNode : public QObject, public QSGSimpleTextureNode +{ + Q_OBJECT + +public: + TextureNode(QQuickWindow *window) + : m_fbo(0) + , m_texture(0) + , m_window(window) + , m_logoRenderer(0) + { + connect(m_window, SIGNAL(beforeRendering()), this, SLOT(renderFBO())); + } + + ~TextureNode() + { + delete m_texture; + delete m_fbo; + delete m_logoRenderer; + } + +public slots: + void renderFBO() + { + QSize size = rect().size().toSize(); + + if (!m_fbo) { + + QOpenGLFramebufferObjectFormat format; + format.setAttachment(QOpenGLFramebufferObject::CombinedDepthStencil); + m_fbo = new QOpenGLFramebufferObject(size, format); + m_texture = m_window->createTextureFromId(m_fbo->texture(), size); + m_logoRenderer = new LogoRenderer(); + m_logoRenderer->initialize(); + setTexture(m_texture); + } + + m_fbo->bind(); + + glViewport(0, 0, size.width(), size.height()); + + m_logoRenderer->render(); + + m_fbo->bindDefault(); + + m_window->update(); + } + +private: + QOpenGLFramebufferObject *m_fbo; + QSGTexture *m_texture; + QQuickWindow *m_window; + + LogoRenderer *m_logoRenderer; +}; + + + +FboInSGRenderer::FboInSGRenderer() +{ + setFlag(ItemHasContents, true); +} + + +QSGNode *FboInSGRenderer::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *) +{ + // Don't bother with resize and such, just recreate the node from scratch + // when geometry changes. + if (oldNode) + delete oldNode; + + TextureNode *node = new TextureNode(window()); + node->setRect(boundingRect()); + + return node; +} + +#include "fboinsgrenderer.moc" diff --git a/examples/quick/scenegraph/textureinsgnode/fboinsgrenderer.h b/examples/quick/scenegraph/textureinsgnode/fboinsgrenderer.h new file mode 100644 index 0000000000..42e10aef6d --- /dev/null +++ b/examples/quick/scenegraph/textureinsgnode/fboinsgrenderer.h @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc and its Subsidiary(-ies) 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 FBOINSGRENDERER_H +#define FBOINSGRENDERER_H + +#include <QQuickItem> + + +class FboInSGRenderer : public QQuickItem +{ + Q_OBJECT + +public: + FboInSGRenderer(); + +protected: + QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *); + +}; + +#endif diff --git a/examples/quick/scenegraph/textureinsgnode/main.cpp b/examples/quick/scenegraph/textureinsgnode/main.cpp new file mode 100644 index 0000000000..8fa6f6814f --- /dev/null +++ b/examples/quick/scenegraph/textureinsgnode/main.cpp @@ -0,0 +1,59 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc and its Subsidiary(-ies) 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 <QGuiApplication> + +#include <QtQuick/QQuickView> + +#include "fboinsgrenderer.h" + +int main(int argc, char **argv) +{ + QGuiApplication app(argc, argv); + + qmlRegisterType<FboInSGRenderer>("SceneGraphRendering", 1, 0, "Renderer"); + + QQuickView view; + view.setResizeMode(QQuickView::SizeRootObjectToView); + view.setSource(QUrl("qrc:///scenegraph/textureinsgnode/main.qml")); + view.show(); + + return app.exec(); +} diff --git a/examples/quick/scenegraph/textureinsgnode/main.qml b/examples/quick/scenegraph/textureinsgnode/main.qml new file mode 100644 index 0000000000..6f6d7d1c1a --- /dev/null +++ b/examples/quick/scenegraph/textureinsgnode/main.qml @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** 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 Digia Plc and its Subsidiary(-ies) 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 2.0 + +import SceneGraphRendering 1.0 + +Item { + width: 400 + height: 400 + + // The checkers background + ShaderEffect { + id: tileBackground + anchors.fill: parent + + property real tileSize: 16 + property color color1: Qt.rgba(0.9, 0.9, 0.9, 1); + property color color2: Qt.rgba(0.85, 0.85, 0.85, 1); + + property size pixelSize: Qt.size(width / tileSize, height / tileSize); + + fragmentShader: + " + uniform lowp vec4 color1; + uniform lowp vec4 color2; + uniform highp vec2 pixelSize; + varying highp vec2 qt_TexCoord0; + void main() { + highp vec2 tc = sign(sin(3.14152 * qt_TexCoord0 * pixelSize)); + if (tc.x != tc.y) + gl_FragColor = color1; + else + gl_FragColor = color2; + } + " + } + + Renderer { + id: renderer + anchors.fill: parent + anchors.margins: 10 + + // The transform is just to show something interesting.. + transform: [ + Rotation { id: rotation; axis.x: 0; axis.z: 0; axis.y: 1; angle: 0; origin.x: renderer.width / 2; origin.y: renderer.height / 2; }, + Translate { id: txOut; x: -renderer.width / 2; y: -renderer.height / 2 }, + Scale { id: scale; }, + Translate { id: txIn; x: renderer.width / 2; y: renderer.height / 2 } + ] + } + + // Just to show something interesting + SequentialAnimation { + PauseAnimation { duration: 5000 } + ParallelAnimation { + NumberAnimation { target: scale; property: "xScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack } + NumberAnimation { target: scale; property: "yScale"; to: 0.6; duration: 1000; easing.type: Easing.InOutBack } + } + NumberAnimation { target: rotation; property: "angle"; to: 80; duration: 1000; easing.type: Easing.InOutCubic } + NumberAnimation { target: rotation; property: "angle"; to: -80; duration: 1000; easing.type: Easing.InOutCubic } + NumberAnimation { target: rotation; property: "angle"; to: 0; duration: 1000; easing.type: Easing.InOutCubic } + NumberAnimation { target: renderer; property: "opacity"; to: 0.5; duration: 1000; easing.type: Easing.InOutCubic } + PauseAnimation { duration: 1000 } + NumberAnimation { target: renderer; property: "opacity"; to: 0.8; duration: 1000; easing.type: Easing.InOutCubic } + ParallelAnimation { + NumberAnimation { target: scale; property: "xScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack } + NumberAnimation { target: scale; property: "yScale"; to: 1; duration: 1000; easing.type: Easing.InOutBack } + } + running: true + loops: Animation.Infinite + } + + Rectangle { + id: labelFrame + anchors.margins: -10 + radius: 5 + color: "white" + border.color: "black" + opacity: 0.8 + anchors.fill: label + } + + Text { + id: label + anchors.bottom: renderer.bottom + anchors.left: renderer.left + anchors.right: renderer.right + anchors.margins: 20 + wrapMode: Text.WordWrap + text: "The blue rectangle with the vintage 'Q' is an FBO, rendered by the application on the scene graph rendering thread. It is displayed using a QSGSimpleTextureNode." + } + + +} diff --git a/examples/quick/scenegraph/textureinsgnode/textureinsgnode.pro b/examples/quick/scenegraph/textureinsgnode/textureinsgnode.pro new file mode 100644 index 0000000000..238e20a553 --- /dev/null +++ b/examples/quick/scenegraph/textureinsgnode/textureinsgnode.pro @@ -0,0 +1,16 @@ +QT += qml quick + +HEADERS += fboinsgrenderer.h +SOURCES += fboinsgrenderer.cpp main.cpp + +INCLUDEPATH += ../shared +HEADERS += ../shared/logorenderer.h +SOURCES += ../shared/logorenderer.cpp + +RESOURCES += textureinsgnode.qrc + +target.path = $$[QT_INSTALL_EXAMPLES]/quick/scenegraph/textureinsgnode +INSTALLS += target + +OTHER_FILES += \ + main.qml diff --git a/examples/quick/scenegraph/textureinsgnode/textureinsgnode.qrc b/examples/quick/scenegraph/textureinsgnode/textureinsgnode.qrc new file mode 100644 index 0000000000..9ecf0ada1c --- /dev/null +++ b/examples/quick/scenegraph/textureinsgnode/textureinsgnode.qrc @@ -0,0 +1,5 @@ +<RCC> + <qresource prefix="/scenegraph/textureinsgnode"> + <file>main.qml</file> + </qresource> +</RCC> |
