Qt Quick 3D - Procedural Texture Example

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 import QtQuick
 import QtQuick3D
 import QtQuick.Controls
 import QtQuick.Layouts

 import ProceduralTextureExample

 Window {
     id: window
     width: 480
     height: 320
     visible: true

     View3D {
         anchors.fill: parent

         DirectionalLight {
         }

         PerspectiveCamera {
             z: 300
         }

         Model {
             source: "#Cube"

             materials: DefaultMaterial {
                 diffuseMap: Texture {
                     textureData: GradientTexture {
                         id: gradientTexture
                         startColor: "#00dbde"
                         endColor: "#fc00ff"
                         width: size256.checked ? 256 : 16
                         height: width
                     }

                     minFilter: size256.checked ? Texture.Linear : Texture.Nearest
                     magFilter: size256.checked ? Texture.Linear : Texture.Nearest
                 }
             }

             PropertyAnimation on eulerRotation.y {
                 from: 0
                 to: 360
                 duration: 5000
                 loops: -1
                 running: true
             }
         }
     }

     function randomColor() {
         return Qt.rgba(Math.random(),
                        Math.random(),
                        Math.random(),
                        1.0);
     }

     ColumnLayout {
         Label {
             text: "Set texture size:"
         }

         ButtonGroup  {
             id: sizeGroup
         }
         RadioButton {
             id: size256
             text: "256x256"
             checked: true
             ButtonGroup.group: sizeGroup
         }
         RadioButton {
             id: size512
             text: "16x16"
             checked: false
             ButtonGroup.group: sizeGroup
         }
         Button {
             text: "Random Start Color"
             onClicked: gradientTexture.startColor = randomColor();
         }
         Button {
             text: "Random End Color"
             onClicked: gradientTexture.endColor = randomColor();
         }
     }
 }