main.qml Example File

scenegraph/twotextureproviders/main.qml
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 import QtQuick 2.2
 import SceneGraphRendering 1.0

 Item {
     id: root

     // The checkers background
     ShaderEffect {
         anchors.fill: parent

         property real tileSize: 16
         property color color1: Qt.rgba(0.9, 0.9, 0.9, 1);
         property color color2: Qt.rgba(0.8, 0.8, 0.8, 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(3.14159265358979323846 * qt_TexCoord0 * pixelSize));
             if (tc.x != tc.y)
                 gl_FragColor = color1;
             else
                 gl_FragColor = color2;
         }
         "
     }

     width: 320
     height: 480

     Item {
         id: box
         width: root.width * 0.9
         height: width

         Rectangle {
             anchors.centerIn: parent
             width: parent.width * 0.9
             height: parent.width * 0.4
             radius: width * 0.1;
             gradient: Gradient {
                 GradientStop { position: 0; color: Qt.hsla(0.6, 0.9, 0.9, 1); }
                 GradientStop { position: 1; color: Qt.hsla(0.6, 0.6, 0.3, 1); }
             }
             RotationAnimator on rotation { from: 0; to: 360; duration: 10000; loops: Animation.Infinite }
         }

         visible: false
         layer.enabled: true
     }

     Item {
         id: text
         width: box.width
         height: width
         Text {
             anchors.centerIn: parent
             color: "black" // Qt.hsla(0.8, 0.8, 0.8);
             text: "Qt\nQuick"

             horizontalAlignment: Text.AlignHCenter

             font.bold: true
             font.pixelSize: text.width * 0.25
             RotationAnimator on rotation { from: 360; to: 0; duration: 9000; loops: Animation.Infinite }
         }
         visible: false
         layer.enabled: true
     }

     XorBlender {
         anchors.horizontalCenter: parent.horizontalCenter
         y: root.height * 0.05;
         width: box.width
         height: box.height
         source1: box
         source2: text
     }

     Rectangle {
         id: labelFrame
         anchors.margins: -10
         radius: 10
         color: "white"
         border.color: "black"
         opacity: 0.8
         anchors.fill: description
     }

     Text {
         id: description
         anchors.left: parent.left
         anchors.right: parent.right
         anchors.bottom: parent.bottom
         anchors.margins: 20
         wrapMode: Text.WordWrap
         text: "This example creates two animated items and sets 'layer.enabled: true' on both of them. " +
               "This turns the items into texture providers and we can access their texture from C++ in a custom material. " +
               "The XorBlender is a custom C++ item which uses performs an Xor blend between them."
     }
 }